gboolean
text_to_path (const Text *text, GArray *points)
{
cairo_t *cr;
cairo_surface_t *surface;
PangoLayout *layout;
PangoRectangle ink_rect;
char *str;
gboolean ret = FALSE;
if (!PANGO_IS_CAIRO_FONT_MAP (pango_context_get_font_map (dia_font_get_context())))
return FALSE;
layout = pango_layout_new(dia_font_get_context());
pango_layout_set_font_description (layout, dia_font_get_description (text->font));
pango_layout_set_indent (layout, 0);
pango_layout_set_justify (layout, FALSE);
pango_layout_set_alignment (layout,
text->alignment == ALIGN_LEFT ? PANGO_ALIGN_LEFT :
text->alignment == ALIGN_RIGHT ? PANGO_ALIGN_RIGHT : PANGO_ALIGN_CENTER);
str = text_get_string_copy (text);
pango_layout_set_text (layout, str, -1);
g_free (str);
pango_layout_get_extents (layout, &ink_rect, NULL);
/* any surface should do - this one is always available */
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
ink_rect.width / PANGO_SCALE, ink_rect.height / PANGO_SCALE);
cr = cairo_create (surface);
cairo_surface_destroy (surface);
pango_cairo_layout_path (cr, layout);
/* convert the path */
if (cairo_status (cr) == CAIRO_STATUS_SUCCESS)
{
cairo_path_t *path;
int i;
path = cairo_copy_path (cr);
for (i=0; i < path->num_data; i += path->data[i].header.length) {
cairo_path_data_t *data = &path->data[i];
BezPoint bp;
switch (data->header.type) {
case CAIRO_PATH_MOVE_TO :
bp.type = BEZ_MOVE_TO;
bp.p1.x = data[1].point.x; bp.p1.y = data[1].point.y;
break;
case CAIRO_PATH_LINE_TO :
bp.type = BEZ_LINE_TO;
bp.p1.x = data[1].point.x; bp.p1.y = data[1].point.y;
break;
case CAIRO_PATH_CURVE_TO :
bp.type = BEZ_CURVE_TO;
bp.p1.x = data[1].point.x; bp.p1.y = data[1].point.y;
bp.p2.x = data[2].point.x; bp.p2.y = data[2].point.y;
bp.p3.x = data[3].point.x; bp.p3.y = data[3].point.y;
break;
case CAIRO_PATH_CLOSE_PATH :
/* can't do anything */
default :
continue;
}
g_array_append_val (points, bp);
}
ret = (path->status == CAIRO_STATUS_SUCCESS);
cairo_path_destroy (path);
}
/* finally scale it ? */
/* clean up */
g_object_unref (layout);
cairo_destroy (cr);
return ret;
}
static void
create_pages (Pqueue * queue)
{
gchar * msg;
gdouble line_height;
guint i, id;
glong index;
PangoLayoutLine * line;
PangoRectangle ink_rect, logical_rect;
g_return_if_fail (queue);
g_return_if_fail (queue->pos < strlen(queue->text));
while (queue->pos < strlen (queue->text))
{
while (gtk_events_pending ())
gtk_main_iteration ();
for (i = 0; i < queue->lines_per_page; i++)
{
line = pango_layout_iter_get_line (queue->iter);
pango_layout_iter_next_line (queue->iter);
pango_layout_iter_get_line_extents (queue->iter, &ink_rect, &logical_rect);
index = pango_layout_iter_get_index (queue->iter);
if (index == 0)
{
i = queue->lines_per_page;
queue->pos = strlen (queue->text);
g_message ("%s", _("Error: Pango iter index is zero."));
continue;
}
line_height = logical_rect.height / PANGO_SCALE;
if ((queue->page_height + line_height) > (queue->height - (EDGE_MARGIN/2)))
{
queue->pos += index;
queue->page_height = EDGE_MARGIN;
gtk_progress_bar_pulse (queue->progressbar);
pango_cairo_update_layout (queue->cr, queue->layout);
queue->layout = make_new_page (queue->context, queue->desc, queue->height, queue->width);
i = queue->lines_per_page;
queue->page_count++;
pango_layout_set_text (queue->layout, (queue->text+queue->pos), -1);
queue->iter = pango_layout_get_iter (queue->layout);
pango_cairo_show_layout_line (queue->cr, line);
pango_cairo_update_layout (queue->cr, queue->layout);
cairo_show_page (queue->cr);
}
else
pango_cairo_show_layout_line (queue->cr, line);
queue->page_height += line_height;
cairo_move_to (queue->cr, SIDE_MARGIN / 2, queue->page_height);
}
}
pango_layout_iter_free (queue->iter);
gtk_progress_bar_set_fraction (queue->progressbar, 0.0);
cairo_surface_destroy(queue->surface);
pango_font_description_free (queue->desc);
g_object_unref (queue->context);
g_object_unref (queue->layout);
cairo_destroy (queue->cr);
id = gtk_statusbar_get_context_id (queue->statusbar, PACKAGE);
msg = g_strdup_printf (ngettext("Saved PDF file. (%ld page)",
"Saved PDF file (%ld pages).", queue->page_count), queue->page_count);
gtk_statusbar_push (queue->statusbar, id, msg);
g_free (msg);
}
gboolean
text_get_extents (const gchar *fontname,
const gchar *text,
gint *width,
gint *height,
gint *ascent,
gint *descent)
{
PangoFontDescription *font_desc;
PangoContext *context;
PangoLayout *layout;
PangoFontMap *fontmap;
PangoRectangle rect;
g_return_val_if_fail (fontname != NULL, FALSE);
g_return_val_if_fail (text != NULL, FALSE);
fontmap = pango_cairo_font_map_new_for_font_type (CAIRO_FONT_TYPE_FT);
if (! fontmap)
g_error ("You are using a Pango that has been built against a cairo "
"that lacks the Freetype font backend");
pango_cairo_font_map_set_resolution (PANGO_CAIRO_FONT_MAP (fontmap),
72.0); /* FIXME: resolution */
context = pango_font_map_create_context (fontmap);
g_object_unref (fontmap);
layout = pango_layout_new (context);
g_object_unref (context);
font_desc = pango_font_description_from_string (fontname);
pango_layout_set_font_description (layout, font_desc);
pango_font_description_free (font_desc);
pango_layout_set_text (layout, text, -1);
pango_layout_get_pixel_extents (layout, NULL, &rect);
if (width)
*width = rect.width;
if (height)
*height = rect.height;
if (ascent || descent)
{
PangoLayoutIter *iter;
PangoLayoutLine *line;
iter = pango_layout_get_iter (layout);
line = pango_layout_iter_get_line_readonly (iter);
pango_layout_iter_free (iter);
pango_layout_line_get_pixel_extents (line, NULL, &rect);
if (ascent)
*ascent = PANGO_ASCENT (rect);
if (descent)
*descent = - PANGO_DESCENT (rect);
}
g_object_unref (layout);
return TRUE;
}
static gboolean draw_callback(GtkWidget *widget,cairo_t *cr,gpointer data)
{
guint width=gtk_widget_get_allocated_width(widget);
guint height=gtk_widget_get_allocated_height(widget);
double sw,sh,spacing;
//PangoLayout* pn=gtk_widget_create_pango_layout(widget,"HELLO? IS THIS WORKING?(\u2126)");
PangoContext* pc=gtk_widget_get_pango_context(widget);
PangoLayout* pn=pango_layout_new(pc);
sw=((double)width-2*gutter)/grid.width;
sh=((double)height-2*gutter)/grid.height;
spacing=MIN(sw,sh);
cairo_set_source_rgb(cr,0,0,255);
// cairo_arc(cr,mouseX,mouseY,5,0,2*G_PI);
cairo_translate(cr,(double)width/2,(double)height/2);
cairo_translate(cr,-(double)grid.width/2.0*spacing,-(double)grid.height/2.0*spacing);
int i,j;
cairo_set_source_rgb(cr,0,0,0);
for(i=0;i<grid.map.ccount;i++)
{
Component* c=grid.map.components+i;
int A=c->A;
int B=c->B;
draw_component(cr,pc,spacing,spacing*(A%(grid.width+1)),spacing*(A/(grid.width+1)),spacing*(B%(grid.width+1)),spacing*(B/(grid.width+1)),c);
}
cairo_set_source_rgb(cr,0,0,0);
char buffer[20];
for(i=0;i<=grid.width;i++)
{
for(j=0;j<=grid.height;j++)
{
if(draw_flags&VOLTAGES){
sprintf(buffer,"%.2fV",grid.map.vertices[i+j*(grid.width+1)].voltage);
pango_layout_set_text(pn,buffer,-1);
int w,h;
pango_layout_get_pixel_size(pn,&w,&h);
cairo_arc(cr,i*spacing,j*spacing,25,0,2*G_PI);
cairo_set_source_rgb(cr,1.0,1.0,1.0);
cairo_fill_preserve(cr);
cairo_set_source_rgb(cr,0.0,0.0,0.0);
cairo_stroke(cr);
cairo_move_to(cr,i*spacing-w/2,j*spacing-h/2);
pango_cairo_update_layout(cr,pn);
pango_cairo_show_layout(cr,pn);
cairo_new_path(cr);
/* sprintf(buffer,"%gV",grid.map.vertices[i+j*(grid.width+1)].voltage);
pango_layout_set_text(pn,buffer,-1);
int w,h;
pango_layout_get_pixel_size(pn,&w,&h);
cairo_arc(cr,i*spacing,j*spacing,w/2,0,2*G_PI);
cairo_set_source_rgb(cr,1.0,1.0,1.0);
cairo_fill_preserve(cr);
cairo_set_source_rgb(cr,0.0,0.0,0.0);
cairo_stroke(cr);
cairo_move_to(cr,i*spacing-w/2,j*spacing-h/2);
pango_cairo_update_layout(cr,pn);
pango_cairo_show_layout(cr,pn);
cairo_new_path(cr);*/
}else{
cairo_arc(cr,i*spacing,j*spacing,2,0,2*G_PI);
cairo_set_source_rgb(cr,1.0,1.0,1.0);
cairo_fill_preserve(cr);
cairo_set_source_rgb(cr,0.0,0.0,0.0);
cairo_stroke(cr);
}
}
}
//pango_cairo_show_layout(cr,pn);
return FALSE;
}
void draw_component(cairo_t *cr,PangoContext* pc,double unit,double x1,double y1,double x2,double y2,Component* com)
{
PangoLayout* pn=pango_layout_new(pc);
char buffer[20];
double ang=atan2(y2-y1,x2-x1);
if((ang>90&&ang<270)){
ang-=180;
}
int w=0;
int h=0;
if(draw_flags&CURRENTS){
sprintf(buffer,"%.3gA",com->current);
cairo_move_to(cr,(x1+x2)/2,(y1+y2)/2);
pango_layout_set_text(pn,buffer,-1);
cairo_save(cr);
cairo_translate(cr,(x1+x2)/2,(y1+y2)/2);
pango_layout_get_pixel_size(pn,&w,&h);
cairo_rotate(cr,ang);
cairo_move_to(cr,-w/2,10);
pango_cairo_update_layout(cr,pn);
pango_cairo_show_layout(cr,pn);
cairo_restore(cr);
}
if(com->type==WIRE)
{
cairo_move_to(cr,x1,y1);
cairo_line_to(cr,x2,y2);
cairo_stroke(cr);
return;
}
if(com->type==RESISTOR)
{
//char buffer[20];
//sprintf(buffer,"%g\u2126 %gA",*(double*)com->data,com->current);
cairo_move_to(cr,x1,y1);
cairo_save(cr);
cairo_translate(cr,(x1+x2)/2,(y1+y2)/2);
/*cairo_move_to(cr,unit*.2,unit*.2);
PangoLayout* pn=pango_layout_new(pc);
pango_layout_set_text(pn,buffer,-1);
pango_cairo_update_layout(cr,pn);
pango_cairo_show_layout(cr,pn);*/
cairo_scale(cr,unit,unit);
cairo_rotate(cr,atan2(y2-y1,x2-x1));
cairo_line_to(cr,-.25,0);
cairo_line_to(cr,-.1875,.125);
cairo_line_to(cr,-.0625,-.125);
cairo_line_to(cr,.0625,.125);
cairo_line_to(cr,.1875,-.125);
cairo_line_to(cr,.25,0);
cairo_restore(cr);
cairo_line_to(cr,x2,y2);
cairo_stroke(cr);
cairo_save(cr);
cairo_translate(cr,(x1+x2)/2,(y1+y2)/2);
cairo_rotate(cr,ang);
sprintf(buffer,"%g\u2126",*(double*)com->data);
pango_layout_set_text(pn,buffer,-1);
pango_layout_get_pixel_size(pn,&w,&h);
cairo_move_to(cr,-w/2,-h-10);
pango_cairo_update_layout(cr,pn);
pango_cairo_show_layout(cr,pn);
cairo_restore(cr);
cairo_new_path(cr);
return;
}
if(com->type==BATTERY)
{
if(*(double*)com->data==0){
cairo_save(cr);
const double dash[]={10};
cairo_set_dash(cr,dash,1,0);
cairo_move_to(cr,x1,y1);
cairo_line_to(cr,x2,y2);
cairo_stroke(cr);
cairo_restore(cr);
}else{
if(*(double*)com->data<0){
double tmp=x1;
x1=x2;
x2=tmp;
tmp=y1;
y1=y2;
y2=tmp;
}
cairo_move_to(cr,x1,y1);
cairo_save(cr);
cairo_translate(cr,(x1+x2)/2,(y1+y2)/2);
cairo_scale(cr,unit,unit);
cairo_rotate(cr,atan2(y2-y1,x2-x1));
cairo_line_to(cr,-.05,0);
cairo_move_to(cr,-.05,.25);
cairo_line_to(cr,-.05,-.25);
cairo_move_to(cr,.05,.15);
cairo_line_to(cr,.05,-.15);
cairo_move_to(cr,-.15,-.25);
cairo_line_to(cr,-.25,-.25);
cairo_move_to(cr,-.2,-.2);
cairo_line_to(cr,-.2,-.3);
cairo_move_to(cr,.05,0);
cairo_restore(cr);
cairo_line_to(cr,x2,y2);
cairo_stroke(cr);
}
return;
}
}
bool wxFont::GTKSetPangoAttrs(PangoLayout* layout) const
{
if (!IsOk() || !(GetUnderlined() || GetStrikethrough()))
return false;
PangoAttrList* attrs = pango_attr_list_new();
PangoAttribute* a;
#ifndef __WXGTK3__
if (wx_pango_version_check(1,16,0))
{
// a PangoLayout which has leading/trailing spaces with underlined font
// is not correctly drawn by this pango version: Pango won't underline the spaces.
// This can be a problem; e.g. wxHTML rendering of underlined text relies on
// this behaviour. To workaround this problem, we use a special hack here
// suggested by pango maintainer Behdad Esfahbod: we prepend and append two
// empty space characters and give them a dummy colour attribute.
// This will force Pango to underline the leading/trailing spaces, too.
const char* text = pango_layout_get_text(layout);
const size_t n = strlen(text);
if ((n > 0 && text[0] == ' ') || (n > 1 && text[n - 1] == ' '))
{
wxCharBuffer buf(n + 6);
// copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
memcpy(buf.data(), "\342\200\214", 3);
// copy the user string
memcpy(buf.data() + 3, text, n);
// copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format
memcpy(buf.data() + 3 + n, "\342\200\214", 3);
pango_layout_set_text(layout, buf, n + 6);
// Add dummy attributes (use colour as it's invisible anyhow for 0
// width spaces) to ensure that the spaces in the beginning/end of the
// string are underlined too.
a = pango_attr_foreground_new(0x0057, 0x52A9, 0xD614);
a->start_index = 0;
a->end_index = 3;
pango_attr_list_insert(attrs, a);
a = pango_attr_foreground_new(0x0057, 0x52A9, 0xD614);
a->start_index = n + 3;
a->end_index = n + 6;
pango_attr_list_insert(attrs, a);
}
}
#endif // !__WXGTK3__
if (GetUnderlined())
{
a = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
pango_attr_list_insert(attrs, a);
}
if (GetStrikethrough())
{
a = pango_attr_strikethrough_new(true);
pango_attr_list_insert(attrs, a);
}
pango_layout_set_attributes(layout, attrs);
pango_attr_list_unref(attrs);
return true;
}
void render_text(GdkDrawable *da, GdkGC *gc, int x, int y, double angle,
const char *s, const char *font, double xalign, double yalign,
int xmax, int ymax)
{
GdkScreen *screen;
PangoRenderer *renderer;
PangoContext *context;
PangoLayout *layout;
PangoFontDescription *desc;
int width, height;
PangoMatrix m = PANGO_MATRIX_INIT;
double f_min, f;
/* set up the renderer */
screen = gdk_drawable_get_screen(da);
renderer = gdk_pango_renderer_get_default(screen);
gdk_pango_renderer_set_drawable(GDK_PANGO_RENDERER(renderer), da);
gdk_pango_renderer_set_gc(GDK_PANGO_RENDERER(renderer), gc);
/* start preparing the layout */
context = gdk_pango_context_get_for_screen(screen);
layout = pango_layout_new(context);
pango_layout_set_text(layout, s, -1);
/* apply the font */
desc = pango_font_description_from_string(font);
pango_layout_set_font_description(layout, desc);
pango_font_description_free(desc);
/* align and position the text */
pango_layout_get_size(layout, &width, &height);
f_min = 1.0;
if (xmax) {
f = xmax/((double) width/PANGO_SCALE);
if (f < f_min)
f_min = f;
}
if (ymax) {
f = ymax/((double) height/PANGO_SCALE);
if (f < f_min)
f_min = f;
}
if (f_min < MIN_FONT_SCALE)
f_min = MIN_FONT_SCALE;
pango_matrix_translate(&m, x, y);
pango_matrix_rotate(&m, angle);
pango_matrix_translate(&m,
-xalign*f_min*width/PANGO_SCALE,
(yalign-1)*f_min*height/PANGO_SCALE);
pango_matrix_scale(&m, f_min, f_min);
pango_context_set_matrix(context, &m);
pango_layout_context_changed(layout);
pango_renderer_draw_layout(renderer, layout, 0, 0);
/* clean up renderer */
gdk_pango_renderer_set_drawable(GDK_PANGO_RENDERER(renderer), NULL);
gdk_pango_renderer_set_gc(GDK_PANGO_RENDERER(renderer), NULL);
/* free objects */
g_object_unref(layout);
g_object_unref(context);
}
static void
gtk_shruler_draw_ticks (GtkSHRuler *ruler)
{
GtkWidget *widget = GTK_WIDGET (ruler);
GtkStyle *style = gtk_widget_get_style (widget);
GtkSHRulerPrivate *priv = GTK_SHRULER_GET_PRIVATE (ruler);
GtkStateType state = gtk_widget_get_state (widget);
GtkAllocation allocation;
cairo_t *cr;
gint i;
gint width, height;
gint xthickness;
gint ythickness;
gint length;
gdouble lower, upper; /* Upper and lower limits, in ruler units */
gdouble increment; /* Number of pixels per unit */
gint scale; /* Number of units per major unit */
gdouble start, end, cur;
gchar unit_str[32];
gint digit_height;
gint digit_offset;
gint text_size;
gint pos;
gdouble max_size;
GtkCMUnit unit;
PangoLayout *layout;
PangoRectangle logical_rect, ink_rect;
if (! gtk_widget_is_drawable (widget))
return;
gtk_widget_get_allocation (widget, &allocation);
xthickness = style->xthickness;
ythickness = style->ythickness;
layout = gtk_shruler_get_layout (widget, "0123456789");
pango_layout_get_extents (layout, &ink_rect, &logical_rect);
digit_height = PANGO_PIXELS (ink_rect.height) + 2;
digit_offset = ink_rect.y;
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
width = allocation.width;
height = allocation.height - ythickness * 2;
}
else
{
width = allocation.height;
height = allocation.width - ythickness * 2;
}
cr = cairo_create (priv->backing_store);
gdk_cairo_set_source_color (cr, &style->bg[state]);
cairo_paint (cr);
gdk_cairo_set_source_color (cr, &style->fg[state]);
gtk_shruler_get_range (ruler, &lower, &upper, &max_size);
if ((upper - lower) == 0)
goto out;
increment = (gdouble) width / (upper - lower);
/* determine the scale
* use the maximum extents of the ruler to determine the largest
* possible number to be displayed. Calculate the height in pixels
* of this displayed text. Use this height to find a scale which
* leaves sufficient room for drawing the ruler.
*
* We calculate the text size as for the vruler instead of
* actually measuring the text width, so that the result for the
* scale looks consistent with an accompanying vruler.
*/
scale = ceil (max_size);
g_snprintf (unit_str, sizeof (unit_str), "%d", scale);
text_size = strlen (unit_str) * digit_height + 1;
for (scale = 0; scale < G_N_ELEMENTS (ruler_metric.ruler_scale); scale++)
if (ruler_metric.ruler_scale[scale] * fabs (increment) > 2 * text_size)
break;
if (scale == G_N_ELEMENTS (ruler_metric.ruler_scale))
scale = G_N_ELEMENTS (ruler_metric.ruler_scale) - 1;
unit = gtk_shruler_get_unit (ruler);
/* drawing starts here */
length = 0;
for (i = G_N_ELEMENTS (ruler_metric.subdivide) - 1; i >= 0; i--)
{
gdouble subd_incr;
/* hack to get proper subdivisions at full pixels */
if (unit == CM_UNIT_PIXEL && scale == 1 && i == 1)
subd_incr = 1.0;
else
subd_incr = ((gdouble) ruler_metric.ruler_scale[scale] /
(gdouble) ruler_metric.subdivide[i]);
if (subd_incr * fabs (increment) <= MINIMUM_INCR)
continue;
/* don't subdivide pixels */
if (unit == CM_UNIT_PIXEL && subd_incr < 1.0)
continue;
if (lower < upper)
{
start = floor (lower / subd_incr) * subd_incr;
end = ceil (upper / subd_incr) * subd_incr;
}
else
{
start = floor (upper / subd_incr) * subd_incr;
end = ceil (lower / subd_incr) * subd_incr;
}
for (cur = start; cur <= end; cur += subd_incr)
{
if (((int)cur) % 10 == 0)
length = height * 2 / 3;
else if (((int)cur) % 5 == 0)
length = height / 3;
else
length = height / 4;
pos = ROUND ((cur - lower) * increment);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
cairo_rectangle (cr,
pos, height + ythickness - length,
1, length);
}
else
{
cairo_rectangle (cr,
height + xthickness - length, pos,
length, 1);
}
/* draw label */
if (i == 0 && ((int)cur) % 10 == 0)
{
g_snprintf (unit_str, sizeof (unit_str), "%d", (int) cur);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
pango_layout_set_text (layout, unit_str, -1);
pango_layout_get_extents (layout, &logical_rect, NULL);
cairo_move_to (cr,
pos + 2,
ythickness + PANGO_PIXELS (logical_rect.y - digit_offset));
pango_cairo_show_layout (cr, layout);
}
else
{
gint j;
for (j = 0; j < (int) strlen (unit_str); j++)
{
pango_layout_set_text (layout, unit_str + j, 1);
pango_layout_get_extents (layout, NULL, &logical_rect);
cairo_move_to (cr,
xthickness + 1,
pos + digit_height * j + 2 + PANGO_PIXELS (logical_rect.y - digit_offset));
pango_cairo_show_layout (cr, layout);
}
}
}
}
}
cairo_fill (cr);
out:
cairo_destroy (cr);
}
void vik_viewport_draw_scale ( VikViewport *vvp )
{
g_return_if_fail ( vvp != NULL );
if ( vvp->draw_scale ) {
VikCoord left, right;
gdouble unit, base, diff, old_unit, old_diff, ratio;
gint odd, len, SCSIZE = 5, HEIGHT=10;
PangoLayout *pl;
gchar s[128];
vik_viewport_screen_to_coord ( vvp, 0, vvp->height, &left );
vik_viewport_screen_to_coord ( vvp, vvp->width/SCSIZE, vvp->height, &right );
vik_units_distance_t dist_units = a_vik_get_units_distance ();
switch (dist_units) {
case VIK_UNITS_DISTANCE_KILOMETRES:
base = vik_coord_diff ( &left, &right ); // in meters
break;
case VIK_UNITS_DISTANCE_MILES:
// in 0.1 miles (copes better when zoomed in as 1 mile can be too big)
base = VIK_METERS_TO_MILES(vik_coord_diff ( &left, &right )) * 10.0;
break;
default:
base = 1; // Keep the compiler happy
g_critical("Houston, we've had a problem. distance=%d", dist_units);
}
ratio = (vvp->width/SCSIZE)/base;
unit = 1;
diff = fabs(base-unit);
old_unit = unit;
old_diff = diff;
odd = 1;
while (diff <= old_diff) {
old_unit = unit;
old_diff = diff;
unit = unit * (odd%2 ? 5 : 2);
diff = fabs(base-unit);
odd++;
}
unit = old_unit;
len = unit * ratio;
/* white background */
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD, vvp->height-PAD, PAD + len, vvp->height-PAD);
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD, vvp->height-PAD, PAD, vvp->height-PAD-HEIGHT);
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD + len, vvp->height-PAD, PAD + len, vvp->height-PAD-HEIGHT);
/* black scale */
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD, vvp->height-PAD, PAD + len, vvp->height-PAD);
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD, vvp->height-PAD, PAD, vvp->height-PAD-HEIGHT);
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD + len, vvp->height-PAD, PAD + len, vvp->height-PAD-HEIGHT);
if (odd%2) {
int i;
for (i=1; i<5; i++) {
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD+i*len/5, vvp->height-PAD, PAD+i*len/5, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD+i*len/5, vvp->height-PAD, PAD+i*len/5, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
}
} else {
int i;
for (i=1; i<10; i++) {
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD+i*len/10, vvp->height-PAD, PAD+i*len/10, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD+i*len/10, vvp->height-PAD, PAD+i*len/10, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
}
}
pl = gtk_widget_create_pango_layout (GTK_WIDGET(&vvp->drawing_area), NULL);
pango_layout_set_font_description (pl, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->font_desc);
switch (dist_units) {
case VIK_UNITS_DISTANCE_KILOMETRES:
if (unit >= 1000) {
sprintf(s, "%d km", (int)unit/1000);
} else {
sprintf(s, "%d m", (int)unit);
}
break;
case VIK_UNITS_DISTANCE_MILES:
// Handle units in 0.1 miles
if (unit < 10.0) {
sprintf(s, "%0.1f miles", unit/10.0);
}
else if ((int)unit == 10.0) {
sprintf(s, "1 mile");
}
else {
sprintf(s, "%d miles", (int)(unit/10.0));
}
break;
default:
g_critical("Houston, we've had a problem. distance=%d", dist_units);
}
pango_layout_set_text(pl, s, -1);
vik_viewport_draw_layout(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD + len + PAD, vvp->height - PAD - 10, pl);
g_object_unref(pl);
pl = NULL;
}
}
static void
_paint_lyrics (OlScrollWindow *scroll, cairo_t *cr)
{
ol_assert (OL_IS_SCROLL_WINDOW (scroll));
GtkWidget *widget = GTK_WIDGET (scroll);
ol_assert (GTK_WIDGET_REALIZED (widget));
OlScrollWindowPrivate *priv = OL_SCROLL_WINDOW_GET_PRIVATE (scroll);
int line_height = ol_scroll_window_get_font_height (scroll) + priv->line_margin;
int count = ol_scroll_window_compute_line_count (scroll);
gint width, height;
gdk_drawable_get_size (gtk_widget_get_window (GTK_WIDGET (scroll)),
&width, &height);
/* set the font */
PangoLayout *layout = _get_pango (scroll, cr);
/* paint the lyrics*/
cairo_save (cr);
cairo_new_path (cr);
cairo_rectangle (cr,
priv->padding_x, 0,
width - priv->padding_x * 2,
height - priv->padding_y * 2);
cairo_close_path (cr);
cairo_clip (cr);
int i;
gint current_lyric_id;
gint lrc_y;
_calc_paint_pos (scroll,
¤t_lyric_id,
&lrc_y);
int begin = current_lyric_id - count / 2;
int end = current_lyric_id + count / 2 + 1;
int ypos = height / 2 - lrc_y - (count / 2 + 1) * line_height;
cairo_set_source_rgb(cr,
priv->inactive_color.r,
priv->inactive_color.g,
priv->inactive_color.b);
if (scroll->whole_lyrics != NULL) {
for (i = begin; i < end; i++) {
ypos += line_height;
if (i < 0) continue;
if (i >= scroll->whole_lyrics->len)
break;
pango_layout_set_text (layout,
g_ptr_array_index (scroll->whole_lyrics, i),
-1);
cairo_save (cr);
double ratio = _get_active_color_ratio (scroll, i);
double alpha = 1.0;
if (ypos < line_height / 2.0 + priv->padding_y)
alpha = 1.0 - (line_height / 2.0 + priv->padding_y - ypos) * 1.0 / line_height * 2;
else if (ypos > height - line_height * 1.5 - priv->padding_y)
alpha = (height - line_height - priv->padding_y - ypos) * 1.0 / line_height * 2;
if (alpha < 0.0) alpha = 0.0;
cairo_set_source_rgba (cr,
priv->active_color.r * ratio +
priv->inactive_color.r * (1 - ratio),
priv->active_color.g * ratio +
priv->inactive_color.g * (1 - ratio),
priv->active_color.b * ratio +
priv->inactive_color.b * (1 - ratio),
alpha);
cairo_move_to (cr, priv->padding_x, ypos);
pango_cairo_update_layout (cr, layout);
pango_cairo_show_layout (cr, layout);
cairo_restore (cr);
}
}
g_object_unref (layout);
cairo_reset_clip (cr);
cairo_restore (cr);
}
static void
gdl_dock_item_grip_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GdlDockItemGrip *grip;
GtkContainer *container;
GtkRequisition button_requisition = { 0, };
GtkAllocation child_allocation;
g_return_if_fail (GDL_IS_DOCK_ITEM_GRIP (widget));
g_return_if_fail (allocation != NULL);
grip = GDL_DOCK_ITEM_GRIP (widget);
container = GTK_CONTAINER (widget);
GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
child_allocation.x = allocation->x + container->border_width + ALIGN_BORDER;
else
child_allocation.x = allocation->x + allocation->width - container->border_width;
child_allocation.y = allocation->y + container->border_width;
gtk_widget_size_request (grip->_priv->close_button, &button_requisition);
if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL)
child_allocation.x -= button_requisition.width;
child_allocation.width = button_requisition.width;
child_allocation.height = button_requisition.height;
gtk_widget_size_allocate (grip->_priv->close_button, &child_allocation);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
child_allocation.x += button_requisition.width;
gtk_widget_size_request (grip->_priv->iconify_button, &button_requisition);
if (gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL)
child_allocation.x -= button_requisition.width;
child_allocation.width = button_requisition.width;
child_allocation.height = button_requisition.height;
gtk_widget_size_allocate (grip->_priv->iconify_button, &child_allocation);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
child_allocation.x += button_requisition.width;
if (grip->title_window) {
GdkRectangle area;
/* set layout text */
ensure_title_and_icon_pixbuf (grip);
pango_layout_set_text (grip->_priv->title_layout, grip->_priv->title, -1);
gdl_dock_item_grip_get_title_area (grip, &area);
gdk_window_move_resize (grip->title_window,
area.x, area.y, area.width, area.height);
if (grip->_priv->icon_pixbuf)
area.width -= gdk_pixbuf_get_width (grip->_priv->icon_pixbuf) + 1;
/* ellipsize title if it doesn't fit the title area */
ellipsize_layout (grip->_priv->title_layout, area.width);
}
}
static gint
gimp_tag_popup_layout_tags (GimpTagPopup *popup,
gint width)
{
PangoFontMetrics *font_metrics;
gint x;
gint y;
gint height = 0;
gint i;
gint line_height;
gint space_width;
x = GIMP_TAG_POPUP_MARGIN;
y = GIMP_TAG_POPUP_MARGIN;
font_metrics = pango_context_get_metrics (popup->context,
pango_context_get_font_description (popup->context),
NULL);
line_height = PANGO_PIXELS ((pango_font_metrics_get_ascent (font_metrics) +
pango_font_metrics_get_descent (font_metrics)));
space_width = PANGO_PIXELS (pango_font_metrics_get_approximate_char_width (font_metrics));
pango_font_metrics_unref (font_metrics);
for (i = 0; i < popup->tag_count; i++)
{
PopupTagData *tag_data = &popup->tag_data[i];
gint w, h;
pango_layout_set_text (popup->layout,
gimp_tag_get_name (tag_data->tag), -1);
pango_layout_get_pixel_size (popup->layout, &w, &h);
tag_data->bounds.width = w + 2 * GIMP_TAG_POPUP_PADDING;
tag_data->bounds.height = h + 2 * GIMP_TAG_POPUP_PADDING;
if (x + space_width + tag_data->bounds.width +
GIMP_TAG_POPUP_MARGIN - 1 > width)
{
x = GIMP_TAG_POPUP_MARGIN;
y += line_height + 2 * GIMP_TAG_POPUP_PADDING + GIMP_TAG_POPUP_LINE_SPACING;
}
tag_data->bounds.x = x;
tag_data->bounds.y = y;
x += tag_data->bounds.width + space_width;
}
if (gtk_widget_get_direction (GTK_WIDGET (popup)) == GTK_TEXT_DIR_RTL)
{
for (i = 0; i < popup->tag_count; i++)
{
PopupTagData *tag_data = &popup->tag_data[i];
tag_data->bounds.x = (width -
tag_data->bounds.x -
tag_data->bounds.width);
}
}
height = y + line_height + GIMP_TAG_POPUP_MARGIN;
return height;
}
static boolean pango_textlayout(textspan_t * span, char **fontpath)
{
static char buf[1024]; /* returned in fontpath, only good until next call */
static PangoFontMap *fontmap;
static PangoContext *context;
static PangoFontDescription *desc;
static char *fontname;
static double fontsize;
static gv_font_map* gv_fmap;
char *fnt, *psfnt = NULL;
PangoLayout *layout;
PangoRectangle logical_rect;
cairo_font_options_t* options;
PangoFont *font;
#ifdef ENABLE_PANGO_MARKUP
PangoAttrList *attrs;
GError *error = NULL;
int flags;
#endif
char *text;
double textlayout_scale;
PostscriptAlias *pA;
if (!context) {
fontmap = pango_cairo_font_map_new();
gv_fmap = get_font_mapping(fontmap);
#ifdef HAVE_PANGO_FONT_MAP_CREATE_CONTEXT
context = pango_font_map_create_context (fontmap);
#else
context = pango_cairo_font_map_create_context (PANGO_CAIRO_FONT_MAP(fontmap));
#endif
options=cairo_font_options_create();
cairo_font_options_set_antialias(options,CAIRO_ANTIALIAS_GRAY);
cairo_font_options_set_hint_style(options,CAIRO_HINT_STYLE_FULL);
cairo_font_options_set_hint_metrics(options,CAIRO_HINT_METRICS_ON);
cairo_font_options_set_subpixel_order(options,CAIRO_SUBPIXEL_ORDER_BGR);
pango_cairo_context_set_font_options(context, options);
pango_cairo_context_set_resolution(context, FONT_DPI);
cairo_font_options_destroy(options);
g_object_unref(fontmap);
}
if (!fontname || strcmp(fontname, span->font->name) != 0 || fontsize != span->font->size) {
fontname = span->font->name;
fontsize = span->font->size;
pango_font_description_free (desc);
pA = span->font->postscript_alias;
if (pA) {
psfnt = fnt = gv_fmap[pA->xfig_code].gv_font;
if(!psfnt)
psfnt = fnt = pango_psfontResolve (pA);
}
else
fnt = fontname;
desc = pango_font_description_from_string(fnt);
/* all text layout is done at a scale of FONT_DPI (nominaly 96.) */
pango_font_description_set_size (desc, (gint)(fontsize * PANGO_SCALE));
if (fontpath && (font = pango_font_map_load_font(fontmap, context, desc))) { /* -v support */
const char *fontclass;
fontclass = G_OBJECT_CLASS_NAME(G_OBJECT_GET_CLASS(font));
buf[0] = '\0';
if (psfnt) {
strcat(buf, "(ps:pango ");
strcat(buf, psfnt);
strcat(buf, ") ");
}
strcat(buf, "(");
strcat(buf, fontclass);
strcat(buf, ") ");
#ifdef HAVE_PANGO_FC_FONT_LOCK_FACE
if (strcmp(fontclass, "PangoCairoFcFont") == 0) {
FT_Face face;
PangoFcFont *fcfont;
FT_Stream stream;
FT_StreamDesc streamdesc;
fcfont = PANGO_FC_FONT(font);
face = pango_fc_font_lock_face(fcfont);
if (face) {
strcat(buf, "\"");
strcat(buf, face->family_name);
strcat(buf, ", ");
strcat(buf, face->style_name);
strcat(buf, "\" ");
stream = face->stream;
if (stream) {
streamdesc = stream->pathname;
if (streamdesc.pointer)
strcat(buf, (char*)streamdesc.pointer);
else
strcat(buf, "*no pathname available*");
}
else
strcat(buf, "*no stream available*");
}
pango_fc_font_unlock_face(fcfont);
}
else
#endif
{
PangoFontDescription *tdesc;
char *tfont;
tdesc = pango_font_describe(font);
tfont = pango_font_description_to_string(tdesc);
strcat(buf, "\"");
strcat(buf, tfont);
strcat(buf, "\" ");
g_free(tfont);
}
*fontpath = buf;
}
}
#ifdef ENABLE_PANGO_MARKUP
if ((span->font) && (flags = span->font->flags)) {
unsigned char buf[BUFSIZ];
agxbuf xb;
agxbinit(&xb, BUFSIZ, buf);
agxbput(&xb,"<span");
if (flags & HTML_BF)
agxbput(&xb," weight=\"bold\"");
if (flags & HTML_IF)
agxbput(&xb," style=\"italic\"");
if (flags & HTML_UL)
agxbput(&xb," underline=\"single\"");
if (flags & HTML_S)
agxbput(&xb," strikethrough=\"true\"");
agxbput (&xb,">");
if (flags & HTML_SUP)
agxbput(&xb,"<sup>");
if (flags & HTML_SUB)
agxbput(&xb,"<sub>");
agxbput (&xb,xml_string0(span->str, TRUE));
if (flags & HTML_SUB)
agxbput(&xb,"</sub>");
if (flags & HTML_SUP)
agxbput(&xb,"</sup>");
agxbput (&xb,"</span>");
if (!pango_parse_markup (agxbuse(&xb), -1, 0, &attrs, &text, NULL, &error)) {
fprintf (stderr, "Error - pango_parse_markup: %s\n", error->message);
text = span->str;
attrs = NULL;
}
agxbfree (&xb);
}
else {
text = span->str;
attrs = NULL;
}
#else
text = span->str;
#endif
layout = pango_layout_new (context);
span->layout = (void *)layout; /* layout free with textspan - see labels.c */
span->free_layout = pango_free_layout; /* function for freeing pango layout */
pango_layout_set_text (layout, text, -1);
pango_layout_set_font_description (layout, desc);
#ifdef ENABLE_PANGO_MARKUP
if (attrs)
pango_layout_set_attributes (layout, attrs);
#endif
pango_layout_get_extents (layout, NULL, &logical_rect);
/* if pango doesn't like the font then it sets width=0 but height = garbage */
if (logical_rect.width == 0)
logical_rect.height = 0;
textlayout_scale = POINTS_PER_INCH / (FONT_DPI * PANGO_SCALE);
span->size.x = (int)(logical_rect.width * textlayout_scale + 1); /* round up so that width/height are never too small */
span->size.y = (int)(logical_rect.height * textlayout_scale + 1);
/* FIXME -- Horrible kluge !!! */
/* For now we are using pango for single line blocks only.
* The logical_rect.height seems to be too high from the font metrics on some platforms.
* Use an assumed height based on the point size.
*/
span->size.y = (int)(span->font->size * 1.1 + .5);
/* The y offset from baseline to 0,0 of the bitmap representation */
#if !defined(WIN32) && defined PANGO_VERSION_MAJOR && (PANGO_VERSION_MAJOR >= 1)
span->yoffset_layout = pango_layout_get_baseline (layout) * textlayout_scale;
#else
{
/* do it the hard way on rhel5/centos5 */
PangoLayoutIter *iter = pango_layout_get_iter (layout);
span->yoffset_layout = pango_layout_iter_get_baseline (iter) * textlayout_scale;
}
#endif
/* The distance below midline for y centering of text strings */
span->yoffset_centerline = 0.2 * span->font->size;
if (logical_rect.width == 0)
return FALSE;
return TRUE;
}
unsigned Gosu::pango::textWidth(const std::wstring& text,
const std::wstring& fontFace, unsigned fontHeight,
unsigned fontFlags)
{
g_type_init();
int dpi_x = 100, dpi_y = 100;
context = pango_ft2_get_context(dpi_x, dpi_y);
pango_context_set_language(context, pango_language_from_string ("en_US"));
PangoDirection init_dir = PANGO_DIRECTION_LTR;
pango_context_set_base_dir(context, init_dir);
// static PangoFontDescription *font_description;
font_description = pango_font_description_new();
pango_font_description_set_family(font_description,
g_strdup(narrow(fontFace).c_str()));
pango_font_description_set_style(font_description,
(fontFlags & ffItalic) ? PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL);
pango_font_description_set_variant(font_description, PANGO_VARIANT_NORMAL);
pango_font_description_set_weight(font_description,
(fontFlags & ffBold) ? PANGO_WEIGHT_BOLD : PANGO_WEIGHT_NORMAL);
pango_font_description_set_stretch(font_description, PANGO_STRETCH_NORMAL);
int init_scale = int(fontHeight/2.0 + 0.5);
pango_font_description_set_size(font_description, init_scale * PANGO_SCALE);
pango_context_set_font_description(context, font_description);
layout = pango_layout_new(context);
if(fontFlags & ffUnderline)
{
// PangoAttribute *attr;
attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
attr->start_index = 0;
attr->end_index = text.length();
// PangoAttrList* attrList;
attrList = pango_attr_list_new();
pango_attr_list_insert(attrList, attr);
pango_layout_set_attributes(layout, attrList);
pango_attr_list_unref(attrList);
}
// IMPR: Catch errors? (Last NULL-Pointer)
gchar* utf8Str = g_ucs4_to_utf8((gunichar*)text.c_str(), text.length(), NULL, NULL, NULL);
pango_layout_set_text(layout, utf8Str, -1);
g_free(utf8Str);
PangoDirection base_dir = pango_context_get_base_dir(context);
pango_layout_set_alignment(layout,
base_dir == PANGO_DIRECTION_LTR ? PANGO_ALIGN_LEFT : PANGO_ALIGN_RIGHT);
pango_layout_set_width(layout, -1);
PangoRectangle logical_rect;
pango_layout_get_pixel_extents(layout, NULL, &logical_rect);
height = logical_rect.height;
width = logical_rect.width;
return width;
}
/* Redraw the vertical ruler */
static gboolean
histo_expose_vertical_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
{
histoDrawing_t *drawing = (histoDrawing_t*)user_data;
HistoControlFlowData *histo_cfv = drawing->histo_control_flow_data;
gchar text[255];
PangoContext *context;
PangoLayout *layout;
PangoFontDescription *FontDesc;
PangoRectangle ink_rect;
gint global_height=0;
GdkColor foreground = { 0, 0, 0, 0 };
GdkColor background = { 0, 0xffff, 0xffff, 0xffff };
GdkColor red ={ 0, 0xFFFF, 0x1E00, 0x1000 };
//GdkColor magneta ={ 0, 0x8900, 0x0000, 0x8400 };
g_debug("vertical ruler expose event");
gdk_draw_rectangle (drawing->vertical_ruler->window,
drawing->vertical_ruler->style->white_gc,
TRUE,
event->area.x, event->area.y,
event->area.width,
event->area.height);
gdk_draw_line (drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
padding_width-1/*event->area.width-1*/,event->area.y,
padding_width-1/*event->area.width-1*/,event->area.y + event->area.height);
snprintf(text, 255, "%.1f", (float)histo_cfv->max_height);
layout = gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
context = pango_layout_get_context(layout);
FontDesc = pango_context_get_font_description(context);
pango_font_description_set_size(FontDesc, 6*PANGO_SCALE);
pango_layout_context_changed(layout);
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
global_height += ink_rect.height;
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
1,
layout, &foreground, &background);
gdk_draw_line (drawing->vertical_ruler->window,
drawing->ruler_gc_round,
drawing->vertical_ruler-> allocation.width-1, 1,
drawing->vertical_ruler-> allocation.width-7, 1);
snprintf(text, 255, "%d", 0);
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
global_height += ink_rect.height;
if(global_height <= drawing->vertical_ruler->allocation.height)
{
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
drawing->vertical_ruler->allocation.height - ink_rect.height-2,
layout, &foreground, &background);
gdk_draw_line (drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
drawing->vertical_ruler-> allocation.width-1,
drawing->vertical_ruler->allocation.height-1,
drawing->vertical_ruler-> allocation.width-7,
drawing->vertical_ruler->allocation.height-1);
}
snprintf(text, 255, "%.1f",(float) histo_cfv->max_height/2.0);
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
global_height += ink_rect.height;
if(global_height <= drawing->vertical_ruler->allocation.height)
{
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
(drawing->vertical_ruler->allocation.height - ink_rect.height)/2,
layout, &foreground, &background);
gdk_draw_line (drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
drawing->vertical_ruler-> allocation.width-1,
drawing->vertical_ruler-> allocation.height/2,
drawing->vertical_ruler-> allocation.width-7,
drawing->vertical_ruler->allocation.height/2);
}
//show number of events at current time:
LttTime current_time =
lttvwindow_get_current_time(histo_cfv->tab);
TimeWindow time_window =
lttvwindow_get_time_window(histo_cfv->tab);
LttTime time_begin = time_window.start_time;
LttTime time_width = time_window.time_width;
LttTime time_end = ltt_time_add(time_begin, time_width);
if((ltt_time_compare(current_time, time_begin) >= 0)&&
(ltt_time_compare(current_time, time_end) <= 0))
{
guint *events_at_currenttime;
guint max_height=histo_cfv ->max_height;
guint x;
histo_convert_time_to_pixels(
time_window,
current_time,
drawing->width,
&x);
// if(x_test<histo_cfv->number_of_process->len)
{
events_at_currenttime =
&g_array_index(histo_cfv->number_of_process,guint,x);
if((*events_at_currenttime) > max_height)
{
snprintf(text, 255, "OverFlow!");
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
global_height += ink_rect.height;
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
(drawing->vertical_ruler->allocation.height - ink_rect.height)/5,
layout, &red, &background);
}else
// if((*events_at_currenttime) <= max_height)
{
snprintf(text, 255, "%.1f",
(float) *events_at_currenttime);
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
global_height += ink_rect.height;
if ((*events_at_currenttime) == 0)
{
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
(drawing->vertical_ruler->allocation.height - ink_rect.height)-2,
layout, &red, &background);
}
else if ((*events_at_currenttime) == max_height)
{
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
1,
layout, &red, &background);
}
/*else if ((*events_at_currenttime) == max_height/2)
{
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
(drawing->vertical_ruler->allocation.height - ink_rect.height)/2,
layout, &red, &background);
}*/
else if ((*events_at_currenttime) > max_height/2)
{
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
(drawing->vertical_ruler->allocation.height - ink_rect.height)/4,
layout, &red, &background);
}
else{
gdk_draw_layout_with_colors(drawing->vertical_ruler->window,
drawing->ruler_gc_butt,
1,
((drawing->vertical_ruler->allocation.height
- ink_rect.height)*3)/4,
layout, &red, &background);
}
}
}
}
g_object_unref(layout);
return FALSE;
}
static void
gimp_ruler_draw_ticks (GimpRuler *ruler)
{
GtkWidget *widget = GTK_WIDGET (ruler);
GtkStyleContext *context = gtk_widget_get_style_context (widget);
GimpRulerPrivate *priv = GIMP_RULER_GET_PRIVATE (ruler);
GtkAllocation allocation;
GtkBorder border;
GdkRGBA color;
cairo_t *cr;
gint i;
gint width, height;
gint length, ideal_length;
gdouble lower, upper; /* Upper and lower limits, in ruler units */
gdouble increment; /* Number of pixels per unit */
gint scale; /* Number of units per major unit */
gdouble start, end, cur;
gchar unit_str[32];
gint digit_height;
gint digit_offset;
gint text_size;
gint pos;
gdouble max_size;
GimpUnit unit;
PangoLayout *layout;
PangoRectangle logical_rect, ink_rect;
if (! gtk_widget_is_drawable (widget))
return;
gtk_widget_get_allocation (widget, &allocation);
gtk_style_context_get_border (context, 0, &border);
layout = gimp_ruler_get_layout (widget, "0123456789");
pango_layout_get_extents (layout, &ink_rect, &logical_rect);
digit_height = PANGO_PIXELS (ink_rect.height) + 2;
digit_offset = ink_rect.y;
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
width = allocation.width;
height = allocation.height - (border.top + border.bottom);
}
else
{
width = allocation.height;
height = allocation.width - (border.top + border.bottom);
}
cr = cairo_create (priv->backing_store);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
gtk_style_context_get_color (context, gtk_widget_get_state_flags (widget),
&color);
gdk_cairo_set_source_rgba (cr, &color);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
cairo_rectangle (cr,
border.left,
height + border.top,
allocation.width - (border.left + border.right),
1);
}
else
{
cairo_rectangle (cr,
height + border.left,
border.top,
1,
allocation.height - (border.top + border.bottom));
}
gimp_ruler_get_range (ruler, &lower, &upper, &max_size);
if ((upper - lower) == 0)
goto out;
increment = (gdouble) width / (upper - lower);
/* determine the scale
* use the maximum extents of the ruler to determine the largest
* possible number to be displayed. Calculate the height in pixels
* of this displayed text. Use this height to find a scale which
* leaves sufficient room for drawing the ruler.
*
* We calculate the text size as for the vruler instead of
* actually measuring the text width, so that the result for the
* scale looks consistent with an accompanying vruler.
*/
scale = ceil (max_size);
g_snprintf (unit_str, sizeof (unit_str), "%d", scale);
text_size = strlen (unit_str) * digit_height + 1;
for (scale = 0; scale < (gint)G_N_ELEMENTS (ruler_metric.ruler_scale); scale++)
if (ruler_metric.ruler_scale[scale] * fabs (increment) > 2 * text_size)
break;
if (scale == G_N_ELEMENTS (ruler_metric.ruler_scale))
scale = G_N_ELEMENTS (ruler_metric.ruler_scale) - 1;
unit = gimp_ruler_get_unit (ruler);
/* drawing starts here */
length = 0;
for (i = G_N_ELEMENTS (ruler_metric.subdivide) - 1; i >= 0; i--)
{
gdouble subd_incr;
/* hack to get proper subdivisions at full pixels */
if (unit == GIMP_UNIT_PIXEL && scale == 1 && i == 1)
subd_incr = 1.0;
else
subd_incr = ((gdouble) ruler_metric.ruler_scale[scale] /
(gdouble) ruler_metric.subdivide[i]);
if (subd_incr * fabs (increment) <= MINIMUM_INCR)
continue;
/* don't subdivide pixels */
if (unit == GIMP_UNIT_PIXEL && subd_incr < 1.0)
continue;
/* Calculate the length of the tickmarks. Make sure that
* this length increases for each set of ticks
*/
ideal_length = height / (i + 1) - 1;
if (ideal_length > ++length)
length = ideal_length;
if (lower < upper)
{
start = floor (lower / subd_incr) * subd_incr;
end = ceil (upper / subd_incr) * subd_incr;
}
else
{
start = floor (upper / subd_incr) * subd_incr;
end = ceil (lower / subd_incr) * subd_incr;
}
for (cur = start; cur <= end; cur += subd_incr)
{
pos = ROUND ((cur - lower) * increment);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
cairo_rectangle (cr,
pos, height + border.top - length,
1, length);
}
else
{
cairo_rectangle (cr,
height + border.left - length, pos,
length, 1);
}
/* draw label */
if (i == 0)
{
g_snprintf (unit_str, sizeof (unit_str), "%d", (int) cur);
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
{
pango_layout_set_text (layout, unit_str, -1);
pango_layout_get_extents (layout, &logical_rect, NULL);
cairo_move_to (cr,
pos + 2,
border.top + PANGO_PIXELS (logical_rect.y - digit_offset));
pango_cairo_show_layout (cr, layout);
}
else
{
gint j;
for (j = 0; j < (int) strlen (unit_str); j++)
{
pango_layout_set_text (layout, unit_str + j, 1);
pango_layout_get_extents (layout, NULL, &logical_rect);
cairo_move_to (cr,
border.left + 1,
pos + digit_height * j + 2 + PANGO_PIXELS (logical_rect.y - digit_offset));
pango_cairo_show_layout (cr, layout);
}
}
}
}
}
cairo_fill (cr);
priv->backing_store_valid = TRUE;
out:
cairo_destroy (cr);
}
static void
gutter_renderer_text_draw (GtkSourceGutterRenderer *renderer,
cairo_t *cr,
GdkRectangle *background_area,
GdkRectangle *cell_area,
GtkTextIter *start,
GtkTextIter *end,
GtkSourceGutterRendererState state)
{
GtkSourceGutterRendererText *text = GTK_SOURCE_GUTTER_RENDERER_TEXT (renderer);
GtkTextView *view;
gint width;
gint height;
gfloat xalign;
gfloat yalign;
GtkSourceGutterRendererAlignmentMode mode;
gint x = 0;
gint y = 0;
GtkStyleContext *context;
/* Chain up to draw background */
if (GTK_SOURCE_GUTTER_RENDERER_CLASS (gtk_source_gutter_renderer_text_parent_class)->draw != NULL)
{
GTK_SOURCE_GUTTER_RENDERER_CLASS (gtk_source_gutter_renderer_text_parent_class)->draw (renderer,
cr,
background_area,
cell_area,
start,
end,
state);
}
view = gtk_source_gutter_renderer_get_view (renderer);
if (text->priv->is_markup)
{
pango_layout_set_markup (text->priv->cached_layout,
text->priv->text,
-1);
}
else
{
pango_layout_set_text (text->priv->cached_layout,
text->priv->text,
-1);
}
pango_layout_get_pixel_size (text->priv->cached_layout, &width, &height);
gtk_source_gutter_renderer_get_alignment (renderer,
&xalign,
&yalign);
/* Avoid calculations if we don't wrap text */
if (gtk_text_view_get_wrap_mode (view) == GTK_WRAP_NONE)
{
mode = GTK_SOURCE_GUTTER_RENDERER_ALIGNMENT_MODE_CELL;
}
else
{
mode = gtk_source_gutter_renderer_get_alignment_mode (renderer);
}
switch (mode)
{
case GTK_SOURCE_GUTTER_RENDERER_ALIGNMENT_MODE_CELL:
x = cell_area->x + (cell_area->width - width) * xalign;
y = cell_area->y + (cell_area->height - height) * yalign;
break;
case GTK_SOURCE_GUTTER_RENDERER_ALIGNMENT_MODE_FIRST:
center_on (view,
cell_area,
start,
width,
height,
xalign,
yalign,
&x,
&y);
break;
case GTK_SOURCE_GUTTER_RENDERER_ALIGNMENT_MODE_LAST:
center_on (view,
cell_area,
end,
width,
height,
xalign,
yalign,
&x,
&y);
break;
default:
g_assert_not_reached ();
}
context = gtk_widget_get_style_context (GTK_WIDGET (view));
gtk_render_layout (context, cr, x, y, text->priv->cached_layout);
}
static gboolean
gcal_week_view_draw_hours (GcalWeekView *self,
cairo_t *cr,
GtkWidget *widget)
{
GtkStyleContext *context;
GtkStateFlags state;
GtkBorder padding;
GdkRGBA color;
gboolean ltr;
gint i, width, height;
gint font_width;
PangoLayout *layout;
PangoFontDescription *font_desc;
context = gtk_widget_get_style_context (widget);
state = gtk_widget_get_state_flags (widget);
ltr = gtk_widget_get_direction (widget) != GTK_TEXT_DIR_RTL;
gtk_style_context_save (context);
gtk_style_context_add_class (context, "hours");
gtk_style_context_get_color (context, state, &color);
gtk_style_context_get_padding (context, state, &padding);
gtk_style_context_get (context, state, "font", &font_desc, NULL);
layout = pango_cairo_create_layout (cr);
pango_layout_set_font_description (layout, font_desc);
gdk_cairo_set_source_rgba (cr, &color);
/* Gets the size of the widget */
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
/* Draws the hours in the sidebar */
for (i = 0; i < 24; i++)
{
gchar *hours;
if (self->use_24h_format)
{
hours = g_strdup_printf ("%02d:00", i);
}
else
{
hours = g_strdup_printf ("%d %s",
i % 12 == 0 ? 12 : i % 12,
i > 12 ? _("PM") : _("AM"));
}
pango_layout_set_text (layout, hours, -1);
pango_layout_get_pixel_size (layout, &font_width, NULL);
gtk_render_layout (context,
cr,
ltr ? padding.left : width - font_width - padding.right,
(height / 24) * i + padding.top,
layout);
g_free (hours);
}
gtk_style_context_restore (context);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "lines");
gtk_style_context_get_color (context, state, &color);
gdk_cairo_set_source_rgba (cr, &color);
cairo_set_line_width (cr, 0.65);
if (!ltr)
{
cairo_move_to (cr, 0.5, 0);
cairo_rel_line_to (cr, 0, height);
}
/* Draws the horizontal complete lines */
for (i = 1; i < 24; i++)
{
cairo_move_to (cr, 0, (height / 24) * i + 0.4);
cairo_rel_line_to (cr, width, 0);
}
cairo_stroke (cr);
cairo_set_dash (cr, dashed, 2, 0);
/* Draws the horizontal dashed lines */
for (i = 0; i < 24; i++)
{
cairo_move_to (cr, 0, (height / 24) * i + (height / 48) + 0.4);
cairo_rel_line_to (cr, width, 0);
}
cairo_stroke (cr);
gtk_style_context_restore (context);
pango_font_description_free (font_desc);
g_object_unref (layout);
return FALSE;
}
static gboolean _togglebutton_draw(GtkWidget *widget, cairo_t *cr)
{
g_return_val_if_fail(widget != NULL, FALSE);
g_return_val_if_fail(DTGTK_IS_TOGGLEBUTTON(widget), FALSE);
GtkDarktableToggleButton *button = DTGTK_TOGGLEBUTTON(widget);
GtkStateFlags state = gtk_widget_get_state_flags(widget);
GdkRGBA bg_color, fg_color;
GtkStyleContext *context = gtk_widget_get_style_context(widget);
if(button->icon_flags & CPF_CUSTOM_BG)
bg_color = button->bg;
else
gtk_style_context_get_background_color(context, state, &bg_color);
if(button->icon_flags & CPF_CUSTOM_FG)
fg_color = button->fg;
else
gtk_style_context_get_color(context, state, &fg_color);
/* fetch flags */
int flags = DTGTK_TOGGLEBUTTON(widget)->icon_flags;
/* set inner border */
int border = DT_PIXEL_APPLY_DPI((flags & CPF_DO_NOT_USE_BORDER) ? 2 : 6);
/* update active state paint flag */
gboolean active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
if(active)
flags |= CPF_ACTIVE;
else
flags &= ~(CPF_ACTIVE);
/* prelight */
if(state & GTK_STATE_FLAG_PRELIGHT)
flags |= CPF_PRELIGHT;
else
flags &= ~CPF_PRELIGHT;
/* begin cairo drawing */
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width;
int height = allocation.height;
/* draw standard button background if not transparent nor flat styled */
if((flags & CPF_STYLE_FLAT))
{
if(flags & CPF_PRELIGHT || flags & CPF_ACTIVE)
{
cairo_rectangle(cr, 0, 0, width, height);
gdk_cairo_set_source_rgba(cr, &bg_color);
cairo_fill(cr);
}
}
else if(!(flags & CPF_BG_TRANSPARENT))
{
/* draw default boxed button */
gtk_render_background(context, cr, 0, 0, width, height);
if(!(flags & CPF_DO_NOT_USE_BORDER))
gtk_render_frame(context, cr, 0, 0, width, height);
}
/* create pango text settings if label exists */
PangoLayout *layout = NULL;
int pw = 0, ph = 0;
const gchar *text = gtk_button_get_label(GTK_BUTTON(widget));
if(text)
{
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, darktable.bauhaus->pango_font_desc);
pango_cairo_context_set_resolution(pango_layout_get_context(layout), darktable.gui->dpi);
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_size(layout, &pw, &ph);
}
gdk_cairo_set_source_rgba(cr, &fg_color);
/* draw icon */
if(DTGTK_TOGGLEBUTTON(widget)->icon)
{
// if (flags & CPF_IGNORE_FG_STATE)
// state = GTK_STATE_NORMAL;
int icon_width = text ? height - (border * 2) : width - (border * 2);
int icon_height = height - (border * 2);
if(icon_width > 0 && icon_height > 0)
{
if(text)
DTGTK_TOGGLEBUTTON(widget)
->icon(cr, border, border, height - (border * 2), height - (border * 2), flags);
else
DTGTK_TOGGLEBUTTON(widget)
->icon(cr, border, border, width - (border * 2), height - (border * 2), flags);
}
}
/* draw label */
if(text)
{
int lx = DT_PIXEL_APPLY_DPI(2), ly = ((height / 2.0) - (ph / 2.0));
// if (DTGTK_TOGGLEBUTTON (widget)->icon) lx += width;
// GdkRectangle t={x,y,x+width,y+height};
// gtk_paint_layout(style,gtk_widget_get_window(widget),
// state,TRUE,&t,widget,"togglebutton",lx,ly,layout);
cairo_translate(cr, lx, ly);
pango_cairo_show_layout(cr, layout);
g_object_unref(layout);
}
return FALSE;
}
static gboolean lowlight_draw(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
dt_iop_lowlight_gui_data_t *c = (dt_iop_lowlight_gui_data_t *)self->gui_data;
dt_iop_lowlight_params_t p = *(dt_iop_lowlight_params_t *)self->params;
dt_draw_curve_set_point(c->transition_curve, 0, p.transition_x[DT_IOP_LOWLIGHT_BANDS - 2] - 1.0,
p.transition_y[0]);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
dt_draw_curve_set_point(c->transition_curve, k + 1, p.transition_x[k], p.transition_y[k]);
dt_draw_curve_set_point(c->transition_curve, DT_IOP_LOWLIGHT_BANDS + 1, p.transition_x[1] + 1.0,
p.transition_y[DT_IOP_LOWLIGHT_BANDS - 1]);
const int inset = DT_IOP_LOWLIGHT_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width, height = allocation.height;
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
cairo_set_source_rgb(cr, .2, .2, .2);
cairo_paint(cr);
cairo_translate(cr, inset, inset);
width -= 2 * inset;
height -= 2 * inset;
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.0));
cairo_set_source_rgb(cr, .1, .1, .1);
cairo_rectangle(cr, 0, 0, width, height);
cairo_stroke(cr);
cairo_set_source_rgb(cr, .3, .3, .3);
cairo_rectangle(cr, 0, 0, width, height);
cairo_fill(cr);
// draw grid
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(.4));
cairo_set_source_rgb(cr, .1, .1, .1);
dt_draw_grid(cr, 8, 0, 0, width, height);
if(c->mouse_y > 0 || c->dragging)
{
// draw min/max curves:
dt_iop_lowlight_get_params(&p, c->mouse_x, 1., c->mouse_radius);
dt_draw_curve_set_point(c->transition_curve, 0, p.transition_x[DT_IOP_LOWLIGHT_BANDS - 2] - 1.0,
p.transition_y[0]);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
dt_draw_curve_set_point(c->transition_curve, k + 1, p.transition_x[k], p.transition_y[k]);
dt_draw_curve_set_point(c->transition_curve, DT_IOP_LOWLIGHT_BANDS + 1, p.transition_x[1] + 1.0,
p.transition_y[DT_IOP_LOWLIGHT_BANDS - 1]);
dt_draw_curve_calc_values(c->transition_curve, 0.0, 1.0, DT_IOP_LOWLIGHT_RES, c->draw_min_xs,
c->draw_min_ys);
p = *(dt_iop_lowlight_params_t *)self->params;
dt_iop_lowlight_get_params(&p, c->mouse_x, .0, c->mouse_radius);
dt_draw_curve_set_point(c->transition_curve, 0, p.transition_x[DT_IOP_LOWLIGHT_BANDS - 2] - 1.0,
p.transition_y[0]);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
dt_draw_curve_set_point(c->transition_curve, k + 1, p.transition_x[k], p.transition_y[k]);
dt_draw_curve_set_point(c->transition_curve, DT_IOP_LOWLIGHT_BANDS + 1, p.transition_x[1] + 1.0,
p.transition_y[DT_IOP_LOWLIGHT_BANDS - 1]);
dt_draw_curve_calc_values(c->transition_curve, 0.0, 1.0, DT_IOP_LOWLIGHT_RES, c->draw_max_xs,
c->draw_max_ys);
}
cairo_save(cr);
// draw x positions
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.));
const float arrw = DT_PIXEL_APPLY_DPI(7.0f);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
{
cairo_move_to(cr, width * p.transition_x[k], height + inset - DT_PIXEL_APPLY_DPI(1));
cairo_rel_line_to(cr, -arrw * .5f, 0);
cairo_rel_line_to(cr, arrw * .5f, -arrw);
cairo_rel_line_to(cr, arrw * .5f, arrw);
cairo_close_path(cr);
if(c->x_move == k)
cairo_fill(cr);
else
cairo_stroke(cr);
}
// draw selected cursor
cairo_translate(cr, 0, height);
// cairo_set_operator(cr, CAIRO_OPERATOR_ADD);
// cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.));
cairo_set_source_rgba(cr, .7, .7, .7, 1.0);
p = *(dt_iop_lowlight_params_t *)self->params;
dt_draw_curve_set_point(c->transition_curve, 0, p.transition_x[DT_IOP_LOWLIGHT_BANDS - 2] - 1.0,
p.transition_y[0]);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
dt_draw_curve_set_point(c->transition_curve, k + 1, p.transition_x[k], p.transition_y[k]);
dt_draw_curve_set_point(c->transition_curve, DT_IOP_LOWLIGHT_BANDS + 1, p.transition_x[1] + 1.0,
p.transition_y[DT_IOP_LOWLIGHT_BANDS - 1]);
dt_draw_curve_calc_values(c->transition_curve, 0.0, 1.0, DT_IOP_LOWLIGHT_RES, c->draw_xs, c->draw_ys);
cairo_move_to(cr, 0 * width / (float)(DT_IOP_LOWLIGHT_RES - 1), -height * c->draw_ys[0]);
for(int k = 1; k < DT_IOP_LOWLIGHT_RES; k++)
cairo_line_to(cr, k * width / (float)(DT_IOP_LOWLIGHT_RES - 1), -height * c->draw_ys[k]);
cairo_stroke(cr);
// draw dots on knots
cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.));
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
{
cairo_arc(cr, width * p.transition_x[k], -height * p.transition_y[k], DT_PIXEL_APPLY_DPI(3.0), 0.0,
2.0 * M_PI);
if(c->x_move == k)
cairo_fill(cr);
else
cairo_stroke(cr);
}
if(c->mouse_y > 0 || c->dragging)
{
// draw min/max, if selected
cairo_set_source_rgba(cr, .7, .7, .7, .6);
cairo_move_to(cr, 0, -height * c->draw_min_ys[0]);
for(int k = 1; k < DT_IOP_LOWLIGHT_RES; k++)
cairo_line_to(cr, k * width / (float)(DT_IOP_LOWLIGHT_RES - 1), -height * c->draw_min_ys[k]);
for(int k = DT_IOP_LOWLIGHT_RES - 1; k >= 0; k--)
cairo_line_to(cr, k * width / (float)(DT_IOP_LOWLIGHT_RES - 1), -height * c->draw_max_ys[k]);
cairo_close_path(cr);
cairo_fill(cr);
// draw mouse focus circle
cairo_set_source_rgba(cr, .9, .9, .9, .5);
const float pos = DT_IOP_LOWLIGHT_RES * c->mouse_x;
int k = (int)pos;
const float f = k - pos;
if(k >= DT_IOP_LOWLIGHT_RES - 1) k = DT_IOP_LOWLIGHT_RES - 2;
float ht = -height * (f * c->draw_ys[k] + (1 - f) * c->draw_ys[k + 1]);
cairo_arc(cr, c->mouse_x * width, ht, c->mouse_radius * width, 0, 2. * M_PI);
cairo_stroke(cr);
}
cairo_restore(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
// draw labels:
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
pango_font_description_set_absolute_size(desc,(.06 * height) * PANGO_SCALE);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
cairo_set_source_rgb(cr, .1, .1, .1);
pango_layout_set_text(layout, _("dark"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .02 * width - ink.y, .5 * (height + ink.width));
cairo_save(cr);
cairo_rotate(cr, -M_PI * .5f);
pango_cairo_show_layout(cr, layout);
cairo_restore(cr);
pango_layout_set_text(layout, _("bright"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .98 * width - ink.height, .5 * (height + ink.width));
cairo_save(cr);
cairo_rotate(cr, -M_PI * .5f);
pango_cairo_show_layout(cr, layout);
cairo_restore(cr);
pango_layout_set_text(layout, _("day vision"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .5 * (width - ink.width), .08 * height - ink.height);
pango_cairo_show_layout(cr, layout);
pango_layout_set_text(layout, _("night vision"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .5 * (width - ink.width), .97 * height - ink.height);
pango_cairo_show_layout(cr, layout);
pango_font_description_free(desc);
g_object_unref(layout);
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
static void
draw_cell (Hitori *hitori, GtkStyleContext *style_context, cairo_t *cr, gfloat cell_size, gdouble x_pos, gdouble y_pos,
HitoriVector iter)
{
gchar *text;
PangoLayout *layout;
gint text_width, text_height;
GtkStateFlags state;
gboolean painted = FALSE;
PangoFontDescription *font_desc;
GtkBorder border;
GdkRGBA colour = {0.0, 0.0, 0.0, 0.0};
state = gtk_style_context_get_state (style_context);
if (hitori->board[iter.x][iter.y].status & CELL_PAINTED) {
painted = TRUE;
state = GTK_STATE_FLAG_INSENSITIVE;
gtk_style_context_set_state (style_context, state);
}
/* Set up the border */
gtk_style_context_get_border (style_context, state, &border);
border.left = BORDER_LEFT; /* Hack! */
/* Draw the fill */
if (hitori->debug == TRUE) {
g_debug ("State: %u", state);
}
if (painted) {
lookup_color (style_context, "painted-bg-color", &colour);
} else {
lookup_color (style_context, "unpainted-bg-color", &colour);
}
gdk_cairo_set_source_rgba (cr, &colour);
cairo_rectangle (cr, x_pos, y_pos, cell_size, cell_size);
cairo_fill (cr);
/* If the cell is tagged, draw the tag dots */
if (hitori->board[iter.x][iter.y].status & CELL_TAG1) {
if (painted) {
lookup_color (style_context, "tag1-painted-color", &colour);
} else {
lookup_color (style_context, "tag1-unpainted-color", &colour);
}
gdk_cairo_set_source_rgba (cr, &colour);
cairo_move_to (cr, x_pos, y_pos + TAG_OFFSET);
cairo_line_to (cr, x_pos, y_pos);
cairo_line_to (cr, x_pos + TAG_OFFSET, y_pos);
cairo_arc (cr, x_pos + TAG_OFFSET, y_pos + TAG_OFFSET, TAG_RADIUS * cell_size, 0.0, 0.5 * M_PI);
cairo_fill (cr);
}
if (hitori->board[iter.x][iter.y].status & CELL_TAG2) {
if (painted) {
lookup_color (style_context, "tag2-painted-color", &colour);
} else {
lookup_color (style_context, "tag2-unpainted-color", &colour);
}
gdk_cairo_set_source_rgba (cr, &colour);
cairo_move_to (cr, x_pos + cell_size - TAG_OFFSET, y_pos);
cairo_line_to (cr, x_pos + cell_size, y_pos);
cairo_line_to (cr, x_pos + cell_size, y_pos + TAG_OFFSET);
cairo_arc (cr, x_pos + cell_size - TAG_OFFSET, y_pos + TAG_OFFSET, TAG_RADIUS * cell_size, 0.5 * M_PI, 1.0 * M_PI);
cairo_fill (cr);
}
/* Draw the border */
if (painted) {
lookup_color (style_context, "painted-border-color", &colour);
} else {
lookup_color (style_context, "unpainted-border-color", &colour);
}
gdk_cairo_set_source_rgba (cr, &colour);
cairo_set_line_width (cr, border.left);
cairo_rectangle (cr, x_pos, y_pos, cell_size, cell_size);
cairo_stroke (cr);
/* Draw the text */
text = g_strdup_printf ("%u", hitori->board[iter.x][iter.y].num);
layout = pango_cairo_create_layout (cr);
pango_layout_set_text (layout, text, -1);
font_desc = (painted == TRUE) ? hitori->painted_font_desc : hitori->normal_font_desc;
if (hitori->board[iter.x][iter.y].status & CELL_ERROR) {
lookup_color (style_context, "mistaken-number-color", &colour);
gdk_cairo_set_source_rgba (cr, &colour);
pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);
} else if (painted) {
lookup_color (style_context, "painted-number-color", &colour);
gdk_cairo_set_source_rgba (cr, &colour);
pango_font_description_set_weight (font_desc, PANGO_WEIGHT_NORMAL);
} else {
g_assert (!painted);
lookup_color (style_context, "unpainted-number-color", &colour);
gdk_cairo_set_source_rgba (cr, &colour);
pango_font_description_set_weight (font_desc, PANGO_WEIGHT_NORMAL);
}
pango_layout_set_font_description (layout, font_desc);
pango_layout_get_pixel_size (layout, &text_width, &text_height);
cairo_move_to (cr,
x_pos + (cell_size - text_width) / 2,
y_pos + (cell_size - text_height) / 2);
pango_cairo_show_layout (cr, layout);
g_free (text);
g_object_unref (layout);
}
static gboolean
draw (GtkWidget *widget,
cairo_t *cr,
gpointer data)
{
GtkAllocation allocation;
GdkGLContext *glcontext = gtk_widget_get_gl_context (widget);
GdkGLDrawable *gldrawable = gtk_widget_get_gl_drawable (widget);
PangoContext *widget_context;
PangoFontDescription *font_desc;
PangoLayout *layout;
PangoRectangle logical_rect;
GLfloat text_w, text_h;
GLfloat tangent_h;
gtk_widget_get_allocation (widget, &allocation);
/* Font */
widget_context = gtk_widget_get_pango_context (widget);
font_desc = pango_context_get_font_description (widget_context);
pango_font_description_set_size (font_desc, 24 * PANGO_SCALE);
pango_context_set_font_description (ft2_context, font_desc);
/* Text layout */
layout = pango_layout_new (ft2_context);
pango_layout_set_width (layout, PANGO_SCALE * allocation.width);
pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
pango_layout_set_text (layout, text, -1);
/*** OpenGL BEGIN ***/
if (!gdk_gl_drawable_gl_begin (gldrawable, glcontext))
return FALSE;
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glCallList (1);
/* Text color */
glColor3f (1.0, 0.9, 0.0);
/* Text position */
pango_layout_get_extents (layout, NULL, &logical_rect);
text_w = PANGO_PIXELS (logical_rect.width);
text_h = PANGO_PIXELS (logical_rect.height);
/*
* tangent = Z_NEAR * tan (FOVY_2 * G_PI / 180.0)
* w = allocation.width
* h = allocation.height
*
* x = -1.0 * (text_w/w) * tangent * (w/h) = -text_w * tangent / h
* y = -1.0 * (text_h/h) * tangent = -text_h * tangent / h
* z = Z_NEAR
*/
tangent_h = Z_NEAR * tan (FOVY_2 * G_PI / 180.0);
tangent_h /= allocation.height;
glRasterPos3f (-text_w * tangent_h,
-text_h * tangent_h,
Z_NEAR);
/* Render text */
gl_pango_ft2_render_layout (layout);
if (gdk_gl_drawable_is_double_buffered (gldrawable))
gdk_gl_drawable_swap_buffers (gldrawable);
else
glFlush ();
gdk_gl_drawable_gl_end (gldrawable);
/*** OpenGL END ***/
g_object_unref (G_OBJECT (layout));
return TRUE;
}
void
calendar_draw_page (GtkPrintOperation *operation, GtkPrintContext *context, gint npage, gpointer user_data)
{
PangoLayout *layout;
PangoFontDescription *month_name_font, *day_name_font, *day_num_font, *event_font;
cairo_t *cr;
GDate *date;
gdouble page_width, page_height, day_width, day_height;
gint text_width, text_height, header_height, event_height, mnf_height, dnf_height, duf_height;
gint day, month, i, j;
guint32 julian;
gboolean monday, actual;
gchar buffer[BUFFER_SIZE];
gint padding = config.cal_print_padding;
GUI *appGUI = (GUI *) user_data;
date = g_date_new_julian (g_date_get_julian (appGUI->cal->date));
g_return_if_fail (date != NULL);
cr = gtk_print_context_get_cairo_context (context);
layout = gtk_print_context_create_pango_layout (context);
month_name_font = pango_font_description_from_string (config.cal_print_month_name_font);
day_name_font = pango_font_description_from_string (config.cal_print_day_name_font);
day_num_font = pango_font_description_from_string (config.cal_print_day_num_font);
event_font = pango_font_description_from_string (config.cal_print_event_font);
pango_layout_set_text (layout, "Aj", -1);
pango_layout_set_font_description (layout, month_name_font);
pango_layout_get_pixel_size (layout, NULL, &mnf_height);
mnf_height *= 1.2;
pango_layout_set_font_description (layout, day_name_font);
pango_layout_get_pixel_size (layout, NULL, &dnf_height);
dnf_height *= 1.2;
pango_layout_set_font_description (layout, day_num_font);
pango_layout_get_pixel_size (layout, NULL, &duf_height);
page_width = gtk_print_context_get_width (context);
day_width = page_width / 7;
page_height = gtk_print_context_get_height (context);
header_height = mnf_height + dnf_height;
day_height = (page_height - header_height) / 6;
event_height = day_height - duf_height - padding * 3;
cairo_set_line_width (cr, 1);
monday = (config.display_options & GUI_CALENDAR_WEEK_START_MONDAY) ? TRUE : FALSE;
/* Month and year */
pango_layout_set_font_description (layout, month_name_font);
g_date_strftime (buffer, BUFFER_SIZE, "%B %Y", date);
pango_layout_set_text (layout, buffer, -1);
pango_layout_get_pixel_size (layout, &text_width, NULL);
cairo_move_to (cr, (page_width - text_width) / 2, 0);
pango_cairo_show_layout (cr, layout);
/* Day names */
pango_layout_set_font_description (layout, day_name_font);
for (i = 0; i < 7; i++) {
g_snprintf (buffer, BUFFER_SIZE, "%s", utl_get_day_name (i + 7 + monday, FALSE));
pango_layout_set_text (layout, buffer, -1);
pango_layout_get_pixel_size (layout, &text_width, NULL);
cairo_move_to (cr, day_width * i + (day_width - text_width) / 2, mnf_height);
pango_cairo_show_layout (cr, layout);
}
/* Day */
g_date_set_day (date, 1);
day = g_date_get_weekday (date);
month = g_date_get_month (date);
day = monday ? day - 1 : day % 7;
if (day > 0)
g_date_subtract_days (date, day);
day = g_date_get_day (date);
julian = g_date_get_julian (date);
pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_width (layout, (day_width - padding * 2) * PANGO_SCALE);
pango_layout_set_height (layout, event_height * PANGO_SCALE);
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
pango_layout_set_indent (layout, -4 * PANGO_SCALE);
for (i = 0; i < 6; i++) {
for (j = 0; j < 7; j++) {
actual = (month == g_date_get_month (date)) ? TRUE : FALSE;
day = g_date_get_day (date);
cairo_rectangle (cr, day_width * j, header_height + day_height * i, day_width, day_height);
if (actual) {
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
} else {
cairo_set_source_rgb (cr, 0.8, 0.8, 0.8);
}
cairo_fill_preserve (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_stroke (cr);
pango_layout_set_font_description (layout, day_num_font);
if (actual) {
cairo_move_to (cr, day_width * j + padding, header_height + day_height * i + padding);
if ((j == 0 && !monday) || (j == 5 && monday) || j == 6) {
g_snprintf (buffer, BUFFER_SIZE, "<span color=\"red\">%d</span>", day);
} else {
g_snprintf (buffer, BUFFER_SIZE, "%d", day);
}
pango_layout_set_markup (layout, buffer, -1);
pango_cairo_show_layout (cr, layout);
cal_print_get_events (buffer, julian, appGUI);
pango_layout_set_markup (layout, "", -1);
pango_layout_set_text (layout, buffer, -1);
pango_layout_set_font_description (layout, event_font);
pango_layout_get_pixel_size (layout, NULL, &text_height);
cairo_move_to (cr, day_width * j + padding, header_height + day_height * (i + 1) - text_height - padding);
pango_cairo_show_layout (cr, layout);
} else {
cairo_move_to (cr, day_width * j + padding, header_height + day_height * i + padding);
g_snprintf (buffer, BUFFER_SIZE, "<span color=\"white\">%d</span>", day);
pango_layout_set_markup (layout, buffer, -1);
pango_cairo_show_layout (cr, layout);
}
g_date_add_days (date, 1);
julian++;
}
}
g_date_free (date);
pango_font_description_free (month_name_font);
pango_font_description_free (day_name_font);
pango_font_description_free (day_num_font);
pango_font_description_free (event_font);
g_object_unref (layout);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d P A N G O I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadPANGOImage() reads an image in the Pango Markup Language Format.
%
% The format of the ReadPANGOImage method is:
%
% Image *ReadPANGOImage(const ImageInfo *image_info,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadPANGOImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
cairo_font_options_t
*font_options;
cairo_surface_t
*surface;
char
*caption,
*property;
cairo_t
*cairo_image;
const char
*option;
DrawInfo
*draw_info;
Image
*image;
MagickBooleanType
status;
PangoAlignment
align;
PangoContext
*context;
PangoFontMap
*fontmap;
PangoGravity
gravity;
PangoLayout
*layout;
PangoRectangle
extent;
PixelPacket
fill_color;
RectangleInfo
page;
register unsigned char
*p;
size_t
stride;
ssize_t
y;
unsigned char
*pixels;
/*
Initialize Image structure.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
(void) ResetImagePage(image,"0x0+0+0");
/*
Format caption.
*/
option=GetImageOption(image_info,"filename");
if (option == (const char *) NULL)
property=InterpretImageProperties(image_info,image,image_info->filename);
else
if (LocaleNCompare(option,"pango:",6) == 0)
property=InterpretImageProperties(image_info,image,option+6);
else
property=InterpretImageProperties(image_info,image,option);
(void) SetImageProperty(image,"caption",property);
property=DestroyString(property);
caption=ConstantString(GetImageProperty(image,"caption"));
/*
Get context.
*/
fontmap=pango_cairo_font_map_new();
pango_cairo_font_map_set_resolution(PANGO_CAIRO_FONT_MAP(fontmap),
image->x_resolution);
font_options=cairo_font_options_create();
option=GetImageOption(image_info,"pango:hinting");
if (option != (const char *) NULL)
{
if (LocaleCompare(option,"none") != 0)
cairo_font_options_set_hint_style(font_options,CAIRO_HINT_STYLE_NONE);
if (LocaleCompare(option,"full") != 0)
cairo_font_options_set_hint_style(font_options,CAIRO_HINT_STYLE_FULL);
}
context=pango_font_map_create_context(fontmap);
pango_cairo_context_set_font_options(context,font_options);
cairo_font_options_destroy(font_options);
option=GetImageOption(image_info,"pango:language");
if (option != (const char *) NULL)
pango_context_set_language(context,pango_language_from_string(option));
draw_info=CloneDrawInfo(image_info,(DrawInfo *) NULL);
pango_context_set_base_dir(context,draw_info->direction ==
RightToLeftDirection ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR);
switch (draw_info->gravity)
{
case NorthGravity:
{
gravity=PANGO_GRAVITY_NORTH;
break;
}
case NorthWestGravity:
case WestGravity:
case SouthWestGravity:
{
gravity=PANGO_GRAVITY_WEST;
break;
}
case NorthEastGravity:
case EastGravity:
case SouthEastGravity:
{
gravity=PANGO_GRAVITY_EAST;
break;
}
case SouthGravity:
{
gravity=PANGO_GRAVITY_SOUTH;
break;
}
default:
{
gravity=PANGO_GRAVITY_AUTO;
break;
}
}
pango_context_set_base_gravity(context,gravity);
option=GetImageOption(image_info,"pango:gravity-hint");
if (option != (const char *) NULL)
{
if (LocaleCompare(option,"line") == 0)
pango_context_set_gravity_hint(context,PANGO_GRAVITY_HINT_LINE);
if (LocaleCompare(option,"natural") == 0)
pango_context_set_gravity_hint(context,PANGO_GRAVITY_HINT_NATURAL);
if (LocaleCompare(option,"strong") == 0)
pango_context_set_gravity_hint(context,PANGO_GRAVITY_HINT_STRONG);
}
/*
Configure layout.
*/
layout=pango_layout_new(context);
option=GetImageOption(image_info,"pango:auto-dir");
if (option != (const char *) NULL)
pango_layout_set_auto_dir(layout,1);
option=GetImageOption(image_info,"pango:ellipsize");
if (option != (const char *) NULL)
{
if (LocaleCompare(option,"end") == 0)
pango_layout_set_ellipsize(layout,PANGO_ELLIPSIZE_END);
if (LocaleCompare(option,"middle") == 0)
pango_layout_set_ellipsize(layout,PANGO_ELLIPSIZE_MIDDLE);
if (LocaleCompare(option,"none") == 0)
pango_layout_set_ellipsize(layout,PANGO_ELLIPSIZE_NONE);
if (LocaleCompare(option,"start") == 0)
pango_layout_set_ellipsize(layout,PANGO_ELLIPSIZE_START);
}
option=GetImageOption(image_info,"pango:justify");
if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse))
pango_layout_set_justify(layout,1);
option=GetImageOption(image_info,"pango:single-paragraph");
if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse))
pango_layout_set_single_paragraph_mode(layout,1);
option=GetImageOption(image_info,"pango:wrap");
if (option != (const char *) NULL)
{
if (LocaleCompare(option,"char") == 0)
pango_layout_set_wrap(layout,PANGO_WRAP_CHAR);
if (LocaleCompare(option,"word") == 0)
pango_layout_set_wrap(layout,PANGO_WRAP_WORD);
if (LocaleCompare(option,"word-char") == 0)
pango_layout_set_wrap(layout,PANGO_WRAP_WORD_CHAR);
}
option=GetImageOption(image_info,"pango:indent");
if (option != (const char *) NULL)
pango_layout_set_indent(layout,(int) ((StringToLong(option)*
image->x_resolution*PANGO_SCALE+36)/72.0+0.5));
switch (draw_info->align)
{
case CenterAlign: align=PANGO_ALIGN_CENTER; break;
case RightAlign: align=PANGO_ALIGN_RIGHT; break;
case LeftAlign: align=PANGO_ALIGN_LEFT; break;
default:
{
if (draw_info->gravity == CenterGravity)
{
align=PANGO_ALIGN_CENTER;
break;
}
align=PANGO_ALIGN_LEFT;
break;
}
}
if ((align != PANGO_ALIGN_CENTER) &&
(draw_info->direction == RightToLeftDirection))
align=(PangoAlignment) (PANGO_ALIGN_LEFT+PANGO_ALIGN_RIGHT-align);
pango_layout_set_alignment(layout,align);
if (draw_info->font != (char *) NULL)
{
PangoFontDescription
*description;
/*
Set font.
*/
description=pango_font_description_from_string(draw_info->font);
pango_font_description_set_size(description,(int) (PANGO_SCALE*
draw_info->pointsize+0.5));
pango_layout_set_font_description(layout,description);
pango_font_description_free(description);
}
option=GetImageOption(image_info,"pango:markup");
if ((option != (const char *) NULL) && (IsMagickTrue(option) == MagickFalse))
pango_layout_set_text(layout,caption,-1);
else
{
GError
*error;
error=(GError *) NULL;
if (pango_parse_markup(caption,-1,0,NULL,NULL,NULL,&error) == 0)
(void) ThrowMagickException(exception,GetMagickModule(),CoderError,
error->message,"`%s'",image_info->filename);
pango_layout_set_markup(layout,caption,-1);
}
pango_layout_context_changed(layout);
page.x=0;
page.y=0;
if (image_info->page != (char *) NULL)
(void) ParseAbsoluteGeometry(image_info->page,&page);
if (image->columns == 0)
{
pango_layout_get_pixel_extents(layout,NULL,&extent);
image->columns=extent.x+extent.width+2*page.x;
}
else
{
image->columns-=2*page.x;
pango_layout_set_width(layout,(int) ((PANGO_SCALE*image->columns*
image->x_resolution+36.0)/72.0+0.5));
}
if (image->rows == 0)
{
pango_layout_get_pixel_extents(layout,NULL,&extent);
image->rows=extent.y+extent.height+2*page.y;
}
else
{
image->rows-=2*page.y;
pango_layout_set_height(layout,(int) ((PANGO_SCALE*image->rows*
image->y_resolution+36.0)/72.0+0.5));
}
/*
Render markup.
*/
stride=(size_t) cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32,
image->columns);
pixels=(unsigned char *) AcquireQuantumMemory(image->rows,stride*
sizeof(*pixels));
if (pixels == (unsigned char *) NULL)
{
draw_info=DestroyDrawInfo(draw_info);
caption=DestroyString(caption);
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
surface=cairo_image_surface_create_for_data(pixels,CAIRO_FORMAT_ARGB32,
image->columns,image->rows,stride);
cairo_image=cairo_create(surface);
cairo_set_operator(cairo_image,CAIRO_OPERATOR_CLEAR);
cairo_paint(cairo_image);
cairo_set_operator(cairo_image,CAIRO_OPERATOR_OVER);
cairo_translate(cairo_image,page.x,page.y);
pango_cairo_show_layout(cairo_image,layout);
cairo_destroy(cairo_image);
cairo_surface_destroy(surface);
g_object_unref(layout);
g_object_unref(fontmap);
/*
Convert surface to image.
*/
(void) SetImageBackgroundColor(image);
p=pixels;
for (y=0; y < (ssize_t) image->rows; y++)
{
register PixelPacket
*q;
register ssize_t
x;
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
double
gamma;
fill_color.blue=ScaleCharToQuantum(*p++);
fill_color.green=ScaleCharToQuantum(*p++);
fill_color.red=ScaleCharToQuantum(*p++);
fill_color.opacity=QuantumRange-ScaleCharToQuantum(*p++);
/*
Disassociate alpha.
*/
gamma=1.0-QuantumScale*fill_color.opacity;
gamma=MagickEpsilonReciprocal(gamma);
fill_color.blue*=gamma;
fill_color.green*=gamma;
fill_color.red*=gamma;
MagickCompositeOver(&fill_color,fill_color.opacity,q,(MagickRealType)
q->opacity,q);
q++;
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
/*
Relinquish resources.
*/
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
draw_info=DestroyDrawInfo(draw_info);
caption=DestroyString(caption);
return(GetFirstImageInList(image));
}
static gboolean
gimp_tag_popup_list_expose (GtkWidget *widget,
GdkEventExpose *event,
GimpTagPopup *popup)
{
GdkWindow *window = gtk_widget_get_window (widget);
GtkStyle *style = gtk_widget_get_style (widget);
cairo_t *cr;
PangoAttribute *attribute;
PangoAttrList *attributes;
gint i;
cr = gdk_cairo_create (event->window);
gdk_cairo_region (cr, event->region);
cairo_clip (cr);
cairo_set_line_width (cr, 1.0);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
for (i = 0; i < popup->tag_count; i++)
{
PopupTagData *tag_data = &popup->tag_data[i];
pango_layout_set_text (popup->layout,
gimp_tag_get_name (tag_data->tag), -1);
switch (tag_data->state)
{
case GTK_STATE_SELECTED:
attributes = pango_attr_list_copy (popup->combo_entry->selected_item_attr);
break;
case GTK_STATE_INSENSITIVE:
attributes = pango_attr_list_copy (popup->combo_entry->insensitive_item_attr);
break;
default:
attributes = pango_attr_list_copy (popup->combo_entry->normal_item_attr);
break;
}
if (tag_data == popup->prelight &&
tag_data->state != GTK_STATE_INSENSITIVE)
{
attribute = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
pango_attr_list_insert (attributes, attribute);
}
pango_layout_set_attributes (popup->layout, attributes);
pango_attr_list_unref (attributes);
if (tag_data->state == GTK_STATE_SELECTED)
{
gdk_cairo_set_source_color (cr,
&popup->combo_entry->selected_item_color);
cairo_rectangle (cr,
tag_data->bounds.x - 1,
tag_data->bounds.y - popup->scroll_y,
tag_data->bounds.width + 2,
tag_data->bounds.height);
cairo_fill (cr);
cairo_translate (cr, 0.5, 0.5);
cairo_move_to (cr,
tag_data->bounds.x,
tag_data->bounds.y - popup->scroll_y - 1);
cairo_line_to (cr,
tag_data->bounds.x + tag_data->bounds.width - 1,
tag_data->bounds.y - popup->scroll_y - 1);
cairo_move_to (cr,
tag_data->bounds.x,
tag_data->bounds.y - popup->scroll_y + tag_data->bounds.height);
cairo_line_to (cr,
tag_data->bounds.x + tag_data->bounds.width - 1,
tag_data->bounds.y - popup->scroll_y + tag_data->bounds.height);
cairo_stroke (cr);
cairo_translate (cr, -0.5, -0.5);
}
cairo_move_to (cr,
(tag_data->bounds.x +
GIMP_TAG_POPUP_PADDING),
(tag_data->bounds.y -
popup->scroll_y +
GIMP_TAG_POPUP_PADDING));
pango_cairo_show_layout (cr, popup->layout);
if (tag_data == popup->prelight &&
tag_data->state != GTK_STATE_INSENSITIVE &&
! popup->single_select_disabled)
{
gtk_paint_focus (style, window,
tag_data->state,
&event->area, widget, NULL,
tag_data->bounds.x,
tag_data->bounds.y - popup->scroll_y,
tag_data->bounds.width,
tag_data->bounds.height);
}
}
cairo_destroy (cr);
return FALSE;
}
static void
gtk_plot_gdk_draw_string (GtkPlotPC *pc,
gint tx, gint ty,
gint angle,
const GdkColor *fg,
const GdkColor *bg,
gboolean transparent,
gint border,
gint border_space,
gint border_width,
gint shadow_width,
const gchar *font_name,
gint font_height,
GtkJustification just,
const gchar *text)
{
GdkGC *gc;
GList *family = NULL;
gint x0, y0;
gint old_width, old_height;
gboolean bold, italic;
gint fontsize;
gint ascent, descent;
gint numf;
gint width, height;
gint x, y;
gint i;
PangoFontDescription *font = NULL, *latin_font = NULL;
GtkPSFont *psfont, *base_psfont, *latin_psfont;
gchar subs[2], insert_char;
const gchar *aux = text;
const gchar *lastchar = text;
const gchar *wtext = text;
const gchar *xaux = text;
gchar new_text[strlen(text)+1];
gchar num[4];
PangoRectangle rect;
PangoFontMetrics *metrics = NULL;
PangoLayout *layout = NULL;
gint real_x, real_y, real_width, real_height;
GdkColor real_fg = *fg;
GdkColor real_bg = *bg;
PangoMatrix matrix = PANGO_MATRIX_INIT;
PangoContext *context = GTK_PLOT_GDK(pc)->context;
GdkDrawable *drawable = GTK_PLOT_GDK(pc)->drawable;
gint sign_x = 1, sign_y = 0;
if(!GTK_PLOT_GDK(pc)->drawable) return;
if(!GTK_PLOT_GDK(pc)->gc) return;
if(!text || strlen(text) == 0) return;
gc = GTK_PLOT_GDK(pc)->gc;
layout = GTK_PLOT_GDK(pc)->layout;
if(!gc) return;
gtk_plot_text_get_size(text, angle, font_name, font_height, &width, &height, &ascent, &descent);
if(height == 0 || width == 0) return;
old_width = width;
old_height = height;
if(angle == 90 || angle == 270)
{
old_width = height;
old_height = width;
}
switch(angle){
case 90:
sign_x = 0;
sign_y = -1;
break;
case 180:
sign_x = -1;
sign_y = 0;
break;
case 270:
sign_x = 0;
sign_y = 1;
break;
case 0:
default:
sign_x = 1;
sign_y = 0;
break;
}
switch(just){
case GTK_JUSTIFY_LEFT:
switch(angle){
case 0:
ty -= ascent;
break;
case 90:
ty -= height;
tx -= ascent;
break;
case 180:
tx -= width;
ty -= descent;
break;
case 270:
tx -= descent;
break;
}
break;
case GTK_JUSTIFY_RIGHT:
switch(angle){
case 0:
tx -= width;
ty -= ascent;
break;
case 90:
tx -= ascent;
ty += height;
break;
case 180:
tx += width;
ty -= descent;
break;
case 270:
tx -= descent;
break;
}
break;
case GTK_JUSTIFY_CENTER:
default:
switch(angle){
case 0:
tx -= width / 2.;
ty -= ascent;
break;
case 90:
tx -= ascent;
ty += height / 2.;
break;
case 180:
tx += width / 2.;
ty -= descent;
break;
case 270:
tx -= descent;
ty -= height / 2.;
break;
}
}
real_x = tx;
real_y = ty;
real_width = width;
real_height = height;
pango_matrix_rotate (&matrix, angle);
pango_context_set_matrix (context, &matrix);
pango_layout_context_changed (layout);
if(!transparent){
gdk_gc_set_foreground(gc, &real_bg);
gdk_draw_rectangle(drawable, gc, TRUE, tx, ty, old_width, old_height);
}
/* TEST */
/*
gdk_draw_rectangle(text_pixmap, gc, FALSE, 0, 0, old_width-1, old_height-1);
*/
gtk_psfont_get_families(&family, &numf);
base_psfont = psfont = gtk_psfont_get_by_name(font_name);
font = gtk_psfont_get_font_description(psfont, font_height);
italic = psfont->italic;
bold = psfont->bold;
fontsize = font_height;
x0 = x = 0;
y0 = y = 0;
if (psfont->i18n_latinfamily) {
latin_psfont = gtk_psfont_get_by_family(psfont->i18n_latinfamily, italic,
bold);
if(latin_font) pango_font_description_free(latin_font);
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
} else {
latin_psfont = NULL;
latin_font = NULL;
}
gdk_gc_set_foreground(gc, &real_fg);
aux = text;
while(aux && *aux != '\0' && *aux != '\n'){
if(*aux == '\\'){
aux = g_utf8_next_char(aux);
switch(*aux){
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7': case '9':
psfont = gtk_psfont_get_by_family((gchar *)g_list_nth_data(family, *aux-'0'), italic, bold);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
aux = g_utf8_next_char(aux);
break;
case '8': case 'g':
psfont = gtk_psfont_get_by_family("Symbol", italic, bold);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
aux = g_utf8_next_char(aux);
break;
case 'B':
bold = TRUE;
psfont = gtk_psfont_get_by_family(psfont->family, italic, bold);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if(latin_font){
latin_font = NULL;
}
if (psfont->i18n_latinfamily) {
latin_psfont = gtk_psfont_get_by_family(psfont->i18n_latinfamily,
italic, bold);
if(latin_font) pango_font_description_free(latin_font);
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case 'x':
xaux = aux + 1;
for (i=0; i<3; i++){
if (xaux[i] >= '0' && xaux[i] <= '9')
num[i] = xaux[i];
else
break;
}
if (i < 3){
aux = g_utf8_next_char(aux);
break;
}
num[3] = '\0';
insert_char = (gchar)atoi(num);
subs[0] = insert_char;
subs[1] = '\0';
pango_layout_set_font_description(layout, font);
pango_layout_set_text(layout, subs, 1);
pango_layout_get_extents(layout, NULL, &rect);
x += sign_x*PANGO_PIXELS(rect.width);
y += sign_y*PANGO_PIXELS(rect.width);
aux += 4;
lastchar = aux - 1;
break;
case 'i':
italic = TRUE;
psfont = gtk_psfont_get_by_family(psfont->family, italic, bold);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if (psfont->i18n_latinfamily) {
latin_psfont = gtk_psfont_get_by_family(psfont->i18n_latinfamily,
italic, bold);
if(latin_font) pango_font_description_free(latin_font);
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case 'S': case '^':
fontsize = (int)((gdouble)fontsize * 0.6 + 0.5);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if(metrics) pango_font_metrics_unref(metrics);
metrics = pango_context_get_metrics(pango_layout_get_context(layout), font, pango_context_get_language(pango_layout_get_context(layout)));
if (psfont->i18n_latinfamily) {
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
if(angle == 180)
y = y0 + fontsize;
else if(angle == 270)
x = x0 + sign_y*fontsize;
aux = g_utf8_next_char(aux);
break;
case 's': case '_':
fontsize = (int)((gdouble)fontsize * 0.6 + 0.5);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if(metrics) pango_font_metrics_unref(metrics);
metrics = pango_context_get_metrics(pango_layout_get_context(layout), font, pango_context_get_language(pango_layout_get_context(layout)));
if(angle == 0)
y = y0 + fontsize;
else if(angle == 90)
x = x0 - sign_y*fontsize;
if (psfont->i18n_latinfamily) {
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case '+':
fontsize += 3;
y -= sign_x*3;
x += sign_y*3;
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if (psfont->i18n_latinfamily) {
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case '-':
fontsize -= 3;
y += sign_x*3;
x -= sign_y*3;
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if (psfont->i18n_latinfamily) {
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case 'N':
psfont = base_psfont;
fontsize = font_height;
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if(angle == 0 || angle == 180)
y = y0;
else
x = x0;
italic = psfont->italic;
bold = psfont->bold;
aux = g_utf8_next_char(aux);
break;
case 'b':
if (lastchar) {
const gchar *aux2 = lastchar;
gint i = g_utf8_prev_char(lastchar) != --aux2 ? 2 : 1;
pango_layout_set_text(layout, lastchar, i);
pango_layout_get_extents(layout, NULL, &rect);
x -= sign_x*PANGO_PIXELS(rect.width);
y -= sign_y*PANGO_PIXELS(rect.width);
if (lastchar == wtext)
lastchar = NULL;
else
lastchar = g_utf8_prev_char(lastchar);
} else {
pango_layout_set_text(layout, "X", 1);
pango_layout_get_extents(layout, NULL, &rect);
x -= sign_x*PANGO_PIXELS(rect.width);
y -= sign_y*PANGO_PIXELS(rect.width);
}
aux = g_utf8_next_char(aux);
break;
default:
if(aux && *aux != '\0' && *aux !='\n'){
gint new_width = 0;
new_width = drawstring(pc, drawable, gc, angle, tx+x, ty+y,
psfont, fontsize, aux);
x += sign_x * new_width;
y += sign_y * new_width;
lastchar = aux;
aux = g_utf8_next_char(aux);
}
break;
}
} else {
gint new_len = 0;
gint new_width = 0;
lastchar = aux;
while(aux && *aux != '\0' && *aux !='\n' && *aux != '\\'){
xaux = aux;
new_len += g_utf8_next_char(aux) != ++xaux ? 2 : 1;
aux = g_utf8_next_char(aux);
}
xaux = lastchar;
for(i = 0; i < new_len; i++) new_text[i] = *xaux++;
new_text[new_len] = '\0';
new_width = drawstring(pc, drawable, gc, angle, tx+x, ty+y,
psfont, fontsize, new_text);
x += sign_x * new_width;
y += sign_y * new_width;
lastchar = aux;
}
}
pango_font_description_free(font);
if(latin_font) pango_font_description_free(latin_font);
if(metrics) pango_font_metrics_unref(metrics);
/* border */
gdk_gc_set_foreground(gc, &real_fg);
gtk_plot_pc_set_dash(pc, 0, NULL, 0);
gtk_plot_pc_set_lineattr(pc, border_width, 0, 0, 0);
switch(border){
case GTK_PLOT_BORDER_SHADOW:
gtk_plot_pc_draw_rectangle(pc,
TRUE,
tx - border_space + shadow_width,
ty + height + border_space,
width + 2 * border_space, shadow_width);
gtk_plot_pc_draw_rectangle(pc,
TRUE,
tx + width + border_space,
ty - border_space + shadow_width,
shadow_width, height + 2 * border_space);
case GTK_PLOT_BORDER_LINE:
gtk_plot_pc_draw_rectangle(pc,
FALSE,
tx - border_space, ty - border_space,
width + 2*border_space, height + 2*border_space);
case GTK_PLOT_BORDER_NONE:
default:
break;
}
return;
}
/* Redraw the ruler */
static gboolean
histo_expose_ruler( GtkWidget *widget, GdkEventExpose *event, gpointer user_data )
{
histoDrawing_t *drawing = (histoDrawing_t*)user_data;
TimeWindow time_window = lttvwindow_get_time_window(drawing->histo_control_flow_data->tab);
gchar text[255];
PangoContext *context;
PangoLayout *layout;
PangoFontDescription *FontDesc;
PangoRectangle ink_rect;
gint global_width=0;
GdkColor foreground = { 0, 0, 0, 0 };
GdkColor background = { 0, 0xffff, 0xffff, 0xffff };
LttTime window_end = time_window.end_time;
LttTime half_width =
ltt_time_div(time_window.time_width,2.0);
LttTime window_middle =
ltt_time_add(half_width,
time_window.start_time);
g_debug("ruler expose event");
gdk_draw_rectangle (drawing->ruler->window,
drawing->ruler->style->white_gc,
TRUE,
event->area.x, event->area.y,
event->area.width,
event->area.height);
gdk_draw_line (drawing->ruler->window,
drawing->ruler_gc_butt,
event->area.x, 1,
event->area.x + event->area.width, 1);
snprintf(text, 255, "%lus\n%luns",
time_window.start_time.tv_sec,
time_window.start_time.tv_nsec);
layout = gtk_widget_create_pango_layout(drawing->drawing_area, NULL);
context = pango_layout_get_context(layout);
FontDesc = pango_context_get_font_description(context);
pango_font_description_set_size(FontDesc, 6*PANGO_SCALE);
pango_layout_context_changed(layout);
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
global_width += ink_rect.width;
gdk_draw_layout_with_colors(drawing->ruler->window,
drawing->ruler_gc_butt,
0,
6,
layout, &foreground, &background);
gdk_draw_line (drawing->ruler->window,
drawing->ruler_gc_round,
1, 1,
1, 7);
snprintf(text, 255, "%lus\n%luns", window_end.tv_sec,
window_end.tv_nsec);
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
global_width += ink_rect.width;
if(global_width <= drawing->ruler->allocation.width)
{
gdk_draw_layout_with_colors(drawing->ruler->window,
drawing->ruler_gc_butt,
drawing->ruler->allocation.width - ink_rect.width,
6,
layout, &foreground, &background);
gdk_draw_line (drawing->ruler->window,
drawing->ruler_gc_butt,
drawing->ruler->allocation.width-1, 1,
drawing->ruler->allocation.width-1, 7);
}
snprintf(text, 255, "%lus\n%luns", window_middle.tv_sec,
window_middle.tv_nsec);
pango_layout_set_text(layout, text, -1);
pango_layout_get_pixel_extents(layout, &ink_rect, NULL);
global_width += ink_rect.width;
if(global_width <= drawing->ruler->allocation.width)
{
gdk_draw_layout_with_colors(drawing->ruler->window,
drawing->ruler_gc_butt,
(drawing->ruler->allocation.width - ink_rect.width)/2,
6,
layout, &foreground, &background);
gdk_draw_line (drawing->ruler->window,
drawing->ruler_gc_butt,
drawing->ruler->allocation.width/2, 1,
drawing->ruler->allocation.width/2, 7);
}
g_object_unref(layout);
return FALSE;
}
static void sctp_graph_draw(struct sctp_udata *u_data)
{
int length, lwidth;
guint32 distance=5, i, e, sec, w, start, a, j, b;
gint label_width, label_height;
char label_string[15];
gfloat dis;
gboolean write_label = FALSE;
PangoLayout *layout;
if (u_data->io->x1_tmp_sec == 0 && u_data->io->x1_tmp_usec == 0)
u_data->io->offset = 0;
else
u_data->io->offset = 5;
if (u_data->io->x2_tmp_sec - u_data->io->x1_tmp_sec > 1500)
{
u_data->io->min_x=u_data->io->x1_tmp_sec;
u_data->io->max_x=u_data->io->x2_tmp_sec;
u_data->io->uoff = TRUE;
}
else
{
u_data->io->min_x=((guint32) (u_data->io->x1_tmp_sec*1000000.0))+u_data->io->x1_tmp_usec;
u_data->io->max_x=((guint32) (u_data->io->x2_tmp_sec*1000000.0))+u_data->io->x2_tmp_usec;
u_data->io->uoff = FALSE;
}
u_data->io->tmp_width = u_data->io->max_x - u_data->io->min_x;
if (u_data->dir == 1)
{
if (u_data->io->tmp == FALSE)
{
if (u_data->assoc->sort_tsn1 != NULL)
u_data->io->max_y = u_data->io->tmp_max_tsn1 - u_data->io->tmp_min_tsn1;
else
u_data->io->max_y = 0;
u_data->io->min_y = 0;
}
else
{
u_data->io->max_y = u_data->io->tmp_max_tsn1;
u_data->io->min_y = u_data->io->tmp_min_tsn1;
}
}
else if (u_data->dir == 2)
{
if (u_data->io->tmp == FALSE)
{
if (u_data->assoc->tsn2 != NULL)
u_data->io->max_y = u_data->io->tmp_max_tsn2 - u_data->io->tmp_min_tsn2;
else
u_data->io->max_y = 0;
u_data->io->min_y = 0;
}
else
{
u_data->io->max_y = u_data->io->tmp_max_tsn2;
u_data->io->min_y = u_data->io->tmp_min_tsn2;
}
}
gdk_draw_rectangle(u_data->io->pixmap, u_data->io->draw_area->style->white_gc,
TRUE, 0, 0, u_data->io->draw_area->allocation.width,
u_data->io->draw_area->allocation.height);
distance = 5;
/* x_axis */
gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
LEFT_BORDER+u_data->io->offset,u_data->io->pixmap_height - BOTTOM_BORDER,
u_data->io->pixmap_width - RIGHT_BORDER + u_data->io->offset, u_data->io->pixmap_height - BOTTOM_BORDER);
gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
u_data->io->pixmap_width - RIGHT_BORDER + u_data->io->offset, u_data->io->pixmap_height - BOTTOM_BORDER, u_data->io->pixmap_width - RIGHT_BORDER + u_data->io->offset - 5, u_data->io->pixmap_height - BOTTOM_BORDER - 5);
gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
u_data->io->pixmap_width - RIGHT_BORDER + u_data->io->offset, u_data->io->pixmap_height - BOTTOM_BORDER, u_data->io->pixmap_width - RIGHT_BORDER + u_data->io->offset - 5, u_data->io->pixmap_height - BOTTOM_BORDER + 5);
u_data->io->axis_width = u_data->io->pixmap_width - LEFT_BORDER - RIGHT_BORDER - u_data->io->offset;
if(u_data->io->tmp_width>0){
u_data->io->x_interval = (float)((u_data->io->axis_width*1.0)/u_data->io->tmp_width); /*distance in pixels between 2 data points*/
} else {
u_data->io->x_interval = (float)(u_data->io->axis_width);
}
e=0;
if (u_data->io->x_interval < 1)
{
dis = 1 / u_data->io->x_interval;
while (dis >1)
{
dis /= 10;
e++;
}
distance = 1;
for (i=0; i<=e+1; i++)
distance *= 10;
}
else
distance = 5;
g_snprintf(label_string, sizeof(label_string), "%d", 0);
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
layout = gtk_widget_create_pango_layout(u_data->io->draw_area, label_string);
pango_layout_get_pixel_size(layout, &label_width, &label_height);
if (u_data->io->x1_tmp_usec == 0)
sec = u_data->io->x1_tmp_sec;
else
sec = u_data->io->x1_tmp_sec+1;
if (u_data->io->offset != 0)
{
g_snprintf(label_string, sizeof(label_string), "%u", u_data->io->x1_tmp_sec);
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
gdk_draw_layout(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
LEFT_BORDER - 25,
u_data->io->pixmap_height - BOTTOM_BORDER + 20,
layout);
}
w = (guint32)(500 / (guint32)(distance * u_data->io->x_interval));
if (w == 0)
w = 1;
if (w == 4 || w==3 || w==2)
{
w = 5;
a = distance / 10;
b = (guint32)((u_data->io->min_x/100000))%10; /* start for labels*/
}
else
{
a = distance / 5;
b = 0;
}
if (!u_data->io->uoff)
{
if (a>=1000000)
{
start=u_data->io->min_x/1000000*1000000;
if (a==1000000)
b = 0;
}
else
{
start=u_data->io->min_x/100000;
if (start%2!=0)
start--;
start*=100000;
b = (guint32)((start/100000))%10;
}
}
else
{
start = u_data->io->min_x;
if (start%2!=0)
start--;
b = 0;
}
for (i=start, j=b; i<=u_data->io->max_x; i+=a, j++)
{
if (!u_data->io->uoff)
if (i >= u_data->io->min_x && i % 1000000 != 0)
{
length = 5;
g_snprintf(label_string, sizeof(label_string), "%d", i%1000000);
if (j % w == 0)
{
length = 10;
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
gdk_draw_layout(u_data->io->pixmap,
u_data->io->draw_area->style->black_gc,
(guint32)(LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval - lwidth / 2),
u_data->io->pixmap_height - BOTTOM_BORDER + 10,
layout);
}
gdk_draw_line(u_data->io->pixmap,
u_data->io->draw_area->style->black_gc,
(guint32)(LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval),
u_data->io->pixmap_height - BOTTOM_BORDER,
(guint32)(LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval),
u_data->io->pixmap_height - BOTTOM_BORDER + length);
}
if (!u_data->io->uoff)
{
if (i%1000000==0 && j%w==0)
{
sec=i/1000000;
write_label = TRUE;
}
}
else
{
if (j%w == 0)
{
sec = i;
write_label = TRUE;
}
}
if (write_label)
{
gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
(guint32)(LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval),
u_data->io->pixmap_height - BOTTOM_BORDER,
(guint32)(LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval),
u_data->io->pixmap_height - BOTTOM_BORDER + 10);
g_snprintf(label_string, sizeof(label_string), "%d", sec);
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
gdk_draw_layout(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
(guint32)(LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval-10),
u_data->io->pixmap_height - BOTTOM_BORDER + 20,
layout);
write_label = FALSE;
}
}
g_strlcpy(label_string, "sec", sizeof(label_string));
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
gdk_draw_layout(u_data->io->pixmap,
u_data->io->draw_area->style->black_gc,
u_data->io->pixmap_width - RIGHT_BORDER - 10,
u_data->io->pixmap_height - BOTTOM_BORDER + 30,
layout);
distance = 5;
/* y-axis */
gdk_draw_line(u_data->io->pixmap,
u_data->io->draw_area->style->black_gc,
LEFT_BORDER,TOP_BORDER - u_data->io->offset,
LEFT_BORDER,
u_data->io->pixmap_height - BOTTOM_BORDER - u_data->io->offset);
gdk_draw_line(u_data->io->pixmap,
u_data->io->draw_area->style->black_gc,
LEFT_BORDER,
TOP_BORDER - u_data->io->offset,
LEFT_BORDER - 5,
TOP_BORDER - u_data->io->offset + 5);
gdk_draw_line(u_data->io->pixmap,
u_data->io->draw_area->style->black_gc,
LEFT_BORDER,
TOP_BORDER - u_data->io->offset,
LEFT_BORDER + 5,
TOP_BORDER - u_data->io->offset + 5);
u_data->io->y_interval = (float)(((u_data->io->pixmap_height - TOP_BORDER - BOTTOM_BORDER) * 1.0)/(u_data->io->max_y - u_data->io->min_y));
e = 0;
if (u_data->io->y_interval < 1)
{
dis = 1 / u_data->io->y_interval;
while (dis > 1)
{
dis /= 10;
e++;
}
distance = 1;
for (i=0; i<=e; i++)
distance = distance * 10;
}
else if (u_data->io->y_interval<2)
distance = 10;
if (u_data->io->max_y > 0)
{
for (i=u_data->io->min_y/distance*distance; i<=u_data->io->max_y; i+=distance/5)
{
if (i >= u_data->io->min_y)
{
length = 5;
g_snprintf(label_string, sizeof(label_string), "%d", i);
if (i%distance == 0 || (distance <= 5 && u_data->io->y_interval > 10))
{
length = 10;
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
gdk_draw_layout(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
LEFT_BORDER - length - lwidth - 5,
(guint32)(u_data->io->pixmap_height - BOTTOM_BORDER - u_data->io->offset - (i - u_data->io->min_y) * u_data->io->y_interval - 3),
layout);
}
gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
LEFT_BORDER - length,
(guint32)(u_data->io->pixmap_height - BOTTOM_BORDER - u_data->io->offset - (i - u_data->io->min_y) * u_data->io->y_interval),
LEFT_BORDER,
(guint32)(u_data->io->pixmap_height - BOTTOM_BORDER - u_data->io->offset - (i - u_data->io->min_y) * u_data->io->y_interval));
}
}
}
else
simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK, "No Data Chunks sent");
}
static GdkPixbuf *
create_gallery (BaconVideoWidget *bvw, const char *input, const char *output)
{
GdkPixbuf *screenshot, *pixbuf = NULL;
cairo_t *cr;
cairo_surface_t *surface;
PangoLayout *layout;
PangoFontDescription *font_desc;
gint64 stream_length, screenshot_interval, pos;
guint columns = 3, rows, current_column, current_row, x, y;
gint screenshot_width = 0, screenshot_height = 0, x_padding = 0, y_padding = 0;
gfloat scale = 1.0;
gchar *header_text, *duration_text, *filename;
/* Calculate how many screenshots we're going to take */
stream_length = bacon_video_widget_get_stream_length (bvw);
/* As a default, we have one screenshot per minute of stream,
* but adjusted so we don't have any gaps in the resulting gallery. */
if (gallery == 0) {
gallery = stream_length / 60000;
while (gallery % 3 != 0 &&
gallery % 4 != 0 &&
gallery % 5 != 0) {
gallery++;
}
}
if (gallery < GALLERY_MIN)
gallery = GALLERY_MIN;
if (gallery > GALLERY_MAX)
gallery = GALLERY_MAX;
screenshot_interval = stream_length / gallery;
/* Put a lower bound on the screenshot interval so we can't enter an infinite loop below */
if (screenshot_interval == 0)
screenshot_interval = 1;
PROGRESS_DEBUG ("Producing gallery of %u screenshots, taken at %" G_GINT64_FORMAT " millisecond intervals throughout a %" G_GINT64_FORMAT " millisecond-long stream.",
gallery, screenshot_interval, stream_length);
/* Calculate how to arrange the screenshots so we don't get ones orphaned on the last row.
* At this point, only deal with arrangements of 3, 4 or 5 columns. */
y = G_MAXUINT;
for (x = 3; x <= 5; x++) {
if (gallery % x == 0 || x - gallery % x < y) {
y = x - gallery % x;
columns = x;
/* Have we found an optimal solution already? */
if (y == x)
break;
}
}
rows = ceil ((gfloat) gallery / (gfloat) columns);
PROGRESS_DEBUG ("Outputting as %u rows and %u columns.", rows, columns);
/* Take the screenshots and composite them into a pixbuf */
current_column = current_row = x = y = 0;
for (pos = screenshot_interval; pos <= stream_length; pos += screenshot_interval) {
screenshot = capture_frame_at_time (bvw, input, output, pos);
if (pixbuf == NULL) {
screenshot_width = gdk_pixbuf_get_width (screenshot);
screenshot_height = gdk_pixbuf_get_height (screenshot);
/* Calculate a scaling factor so that screenshot_width -> output_size */
scale = (float) output_size / (float) screenshot_width;
x_padding = x = MAX (output_size * 0.05, 1);
y_padding = y = MAX (scale * screenshot_height * 0.05, 1);
PROGRESS_DEBUG ("Scaling each screenshot by %f.", scale);
/* Create our massive pixbuf */
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
columns * output_size + (columns + 1) * x_padding,
(guint) (rows * scale * screenshot_height + (rows + 1) * y_padding));
gdk_pixbuf_fill (pixbuf, 0x000000ff);
PROGRESS_DEBUG ("Created output pixbuf (%ux%u).", gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf));
}
/* Composite the screenshot into our gallery */
gdk_pixbuf_composite (screenshot, pixbuf,
x, y, output_size, scale * screenshot_height,
(gdouble) x, (gdouble) y, scale, scale,
GDK_INTERP_BILINEAR, 255);
g_object_unref (screenshot);
PROGRESS_DEBUG ("Composited screenshot from %" G_GINT64_FORMAT " milliseconds (address %u) at (%u,%u).",
pos, GPOINTER_TO_UINT (screenshot), x, y);
/* We print progress in the range 10% (MIN_PROGRESS) to 50% (MAX_PROGRESS - MIN_PROGRESS) / 2.0 */
PRINT_PROGRESS (MIN_PROGRESS + (current_row * columns + current_column) * (((MAX_PROGRESS - MIN_PROGRESS) / gallery) / 2.0));
current_column = (current_column + 1) % columns;
x += output_size + x_padding;
if (current_column == 0) {
x = x_padding;
y += scale * screenshot_height + y_padding;
current_row++;
}
}
PROGRESS_DEBUG ("Converting pixbuf to a Cairo surface.");
/* Load the pixbuf into a Cairo surface and overlay the text. The height is the height of
* the gallery plus the necessary height for 3 lines of header (at ~18px each), plus some
* extra padding. */
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf) + GALLERY_HEADER_HEIGHT + y_padding);
cr = cairo_create (surface);
cairo_surface_destroy (surface);
/* First, copy across the gallery pixbuf */
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0.0, GALLERY_HEADER_HEIGHT + y_padding);
cairo_rectangle (cr, 0.0, GALLERY_HEADER_HEIGHT + y_padding, gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf));
cairo_fill (cr);
g_object_unref (pixbuf);
/* Build the header information */
duration_text = totem_time_to_string (stream_length);
filename = NULL;
if (strstr (input, "://")) {
char *local;
local = g_filename_from_uri (input, NULL, NULL);
filename = g_path_get_basename (local);
g_free (local);
}
if (filename == NULL)
filename = g_path_get_basename (input);
/* Translators: The first string is "Filename" (as translated); the second is an actual filename.
The third string is "Resolution" (as translated); the fourth and fifth are screenshot height and width, respectively.
The sixth string is "Duration" (as translated); the seventh is the movie duration in words. */
header_text = g_strdup_printf (_("<b>%s</b>: %s\n<b>%s</b>: %d\303\227%d\n<b>%s</b>: %s"),
_("Filename"),
filename,
_("Resolution"),
screenshot_width,
screenshot_height,
_("Duration"),
duration_text);
g_free (duration_text);
g_free (filename);
PROGRESS_DEBUG ("Writing header text with Pango.");
/* Write out some header information */
layout = pango_cairo_create_layout (cr);
font_desc = pango_font_description_from_string ("Sans 18px");
pango_layout_set_font_description (layout, font_desc);
pango_font_description_free (font_desc);
pango_layout_set_markup (layout, header_text, -1);
g_free (header_text);
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
cairo_move_to (cr, (gdouble) x_padding, (gdouble) y_padding);
pango_cairo_show_layout (cr, layout);
/* Go through each screenshot and write its timestamp */
current_column = current_row = 0;
x = x_padding + output_size;
y = y_padding * 2 + GALLERY_HEADER_HEIGHT + scale * screenshot_height;
font_desc = pango_font_description_from_string ("Sans 10px");
pango_layout_set_font_description (layout, font_desc);
pango_font_description_free (font_desc);
PROGRESS_DEBUG ("Writing screenshot timestamps with Pango.");
for (pos = screenshot_interval; pos <= stream_length; pos += screenshot_interval) {
gchar *timestamp_text;
gint layout_width, layout_height;
timestamp_text = totem_time_to_string (pos);
pango_layout_set_text (layout, timestamp_text, -1);
pango_layout_get_pixel_size (layout, &layout_width, &layout_height);
/* Display the timestamp in the bottom-right corner of the current screenshot */
cairo_move_to (cr, x - layout_width - 0.02 * output_size, y - layout_height - 0.02 * scale * screenshot_height);
/* We have to stroke the text so it's visible against screenshots of the same
* foreground color. */
pango_cairo_layout_path (cr, layout);
cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */
cairo_stroke_preserve (cr);
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */
cairo_fill (cr);
PROGRESS_DEBUG ("Writing timestamp \"%s\" at (%f,%f).", timestamp_text,
x - layout_width - 0.02 * output_size,
y - layout_height - 0.02 * scale * screenshot_height);
/* We print progress in the range 50% (MAX_PROGRESS - MIN_PROGRESS) / 2.0) to 90% (MAX_PROGRESS) */
PRINT_PROGRESS (MIN_PROGRESS + (MAX_PROGRESS - MIN_PROGRESS) / 2.0 + (current_row * columns + current_column) * (((MAX_PROGRESS - MIN_PROGRESS) / gallery) / 2.0));
g_free (timestamp_text);
current_column = (current_column + 1) % columns;
x += output_size + x_padding;
if (current_column == 0) {
x = x_padding + output_size;
y += scale * screenshot_height + y_padding;
current_row++;
}
}
g_object_unref (layout);
PROGRESS_DEBUG ("Converting Cairo surface back to pixbuf.");
/* Create a new pixbuf from the Cairo context */
pixbuf = cairo_surface_to_pixbuf (cairo_get_target (cr));
cairo_destroy (cr);
return pixbuf;
}
static gboolean _lib_navigation_draw_callback(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_lib_module_t *self = (dt_lib_module_t *)user_data;
dt_lib_navigation_t *d = (dt_lib_navigation_t *)self->data;
const int inset = DT_NAVIGATION_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width, height = allocation.height;
dt_develop_t *dev = darktable.develop;
/* double buffering of image data: only take new data if valid */
if(dev->preview_pipe->backbuf && dev->preview_status == DT_DEV_PIXELPIPE_VALID)
{
/* re-allocate in case of changed image dimensions */
if(d->buffer == NULL || dev->preview_pipe->backbuf_width != d->wd || dev->preview_pipe->backbuf_height != d->ht)
{
g_free(d->buffer);
d->wd = dev->preview_pipe->backbuf_width;
d->ht = dev->preview_pipe->backbuf_height;
d->buffer = g_malloc0((size_t)d->wd * d->ht * 4 * sizeof(unsigned char));
}
/* update buffer if new data is available */
if(d->buffer && dev->preview_pipe->input_timestamp > d->timestamp)
{
dt_pthread_mutex_t *mutex = &dev->preview_pipe->backbuf_mutex;
dt_pthread_mutex_lock(mutex);
memcpy(d->buffer, dev->preview_pipe->backbuf, (size_t)d->wd * d->ht * 4 * sizeof(unsigned char));
d->timestamp = dev->preview_pipe->input_timestamp;
dt_pthread_mutex_unlock(mutex);
}
}
/* get the current style */
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gtk_render_background(context, cr, 0, 0, allocation.width, allocation.height);
width -= 2 * inset;
height -= 2 * inset;
cairo_translate(cr, inset, inset);
/* draw navigation image if available */
if(d->buffer)
{
cairo_save(cr);
const int wd = d->wd;
const int ht = d->ht;
const float scale = fminf(width / (float)wd, height / (float)ht);
const int stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, wd);
cairo_surface_t *surface
= cairo_image_surface_create_for_data(d->buffer, CAIRO_FORMAT_RGB24, wd, ht, stride);
cairo_translate(cr, width / 2.0, height / 2.0f);
cairo_scale(cr, scale, scale);
cairo_translate(cr, -.5f * wd, -.5f * ht);
// draw shadow around
float alpha = 1.0f;
for(int k = 0; k < 4; k++)
{
cairo_rectangle(cr, -k / scale, -k / scale, wd + 2 * k / scale, ht + 2 * k / scale);
cairo_set_source_rgba(cr, 0, 0, 0, alpha);
alpha *= 0.6f;
cairo_fill(cr);
}
cairo_rectangle(cr, 0, 0, wd - 2, ht - 1);
cairo_set_source_surface(cr, surface, 0, 0);
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_FAST);
cairo_fill(cr);
cairo_surface_destroy(surface);
// draw box where we are
dt_dev_zoom_t zoom = dt_control_get_dev_zoom();
int closeup = dt_control_get_dev_closeup();
float zoom_x = dt_control_get_dev_zoom_x();
float zoom_y = dt_control_get_dev_zoom_y();
const float min_scale = dt_dev_get_zoom_scale(dev, DT_ZOOM_FIT, closeup ? 2.0 : 1.0, 0);
const float cur_scale = dt_dev_get_zoom_scale(dev, zoom, closeup ? 2.0 : 1.0, 0);
// avoid numerical instability for small resolutions:
double h, w;
if(cur_scale > min_scale)
{
float boxw = 1, boxh = 1;
dt_dev_check_zoom_bounds(darktable.develop, &zoom_x, &zoom_y, zoom, closeup, &boxw, &boxh);
cairo_translate(cr, wd * (.5f + zoom_x), ht * (.5f + zoom_y));
cairo_set_source_rgb(cr, 0., 0., 0.);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.f / scale));
boxw *= wd;
boxh *= ht;
cairo_rectangle(cr, -boxw / 2 - 1, -boxh / 2 - 1, boxw + 2, boxh + 2);
cairo_stroke(cr);
cairo_set_source_rgb(cr, 1., 1., 1.);
cairo_rectangle(cr, -boxw / 2, -boxh / 2, boxw, boxh);
cairo_stroke(cr);
}
cairo_restore(cr);
if(fabsf(cur_scale - min_scale) > 0.001f)
{
/* Zoom % */
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
const float fontsize = DT_PIXEL_APPLY_DPI(11);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
cairo_translate(cr, 0, height);
cairo_set_source_rgba(cr, 1., 1., 1., 0.5);
cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
char zoomline[5];
snprintf(zoomline, sizeof(zoomline), "%.0f%%", cur_scale * 100);
pango_layout_set_text(layout, zoomline, -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
h = d->zoom_h = ink.height;
w = d->zoom_w = ink.width;
cairo_move_to(cr, width - w - h * 1.1 - ink.x, - fontsize);
cairo_save(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0));
GdkRGBA *color;
gtk_style_context_get(context, gtk_widget_get_state_flags(widget), "background-color", &color, NULL);
gdk_cairo_set_source_rgba(cr, color);
pango_cairo_layout_path(cr, layout);
cairo_stroke_preserve(cr);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_fill(cr);
cairo_restore(cr);
gdk_rgba_free(color);
pango_font_description_free(desc);
g_object_unref(layout);
}
else
{
// draw the zoom-to-fit icon
cairo_translate(cr, 0, height);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
static int height = -1;
if(height == -1)
{
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_font_description_set_absolute_size(desc, DT_PIXEL_APPLY_DPI(11) * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, "100%", -1); // dummy text, just to get the height
pango_layout_get_pixel_extents(layout, &ink, NULL);
height = ink.height;
pango_font_description_free(desc);
g_object_unref(layout);
}
h = d->zoom_h = height;
w = h * 1.5;
float sp = h * 0.6;
d->zoom_w = w + sp;
cairo_move_to(cr, width - w - h - sp, -1.0 * h);
cairo_rectangle(cr, width - w - h - sp, -1.0 * h, w, h);
cairo_set_source_rgb(cr, 0.2, 0.2, 0.2);
cairo_fill(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0));
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_move_to(cr, width - w * 0.8 - h - sp, -1.0 * h);
cairo_line_to(cr, width - w - h - sp, -1.0 * h);
cairo_line_to(cr, width - w - h - sp, -0.7 * h);
cairo_stroke(cr);
cairo_move_to(cr, width - w - h - sp, -0.3 * h);
cairo_line_to(cr, width - w - h - sp, 0);
cairo_line_to(cr, width - w * 0.8 - h - sp, 0);
cairo_stroke(cr);
cairo_move_to(cr, width - w * 0.2 - h - sp, 0);
cairo_line_to(cr, width - h - sp, 0);
cairo_line_to(cr, width - h - sp, -0.3 * h);
cairo_stroke(cr);
cairo_move_to(cr, width - h - sp, -0.7 * h);
cairo_line_to(cr, width - h - sp, -1.0 * h);
cairo_line_to(cr, width - w * 0.2 - h - sp, -1.0 * h);
cairo_stroke(cr);
}
cairo_move_to(cr, width - 0.95 * h, -0.9 * h);
cairo_line_to(cr, width - 0.05 * h, -0.9 * h);
cairo_line_to(cr, width - 0.5 * h, -0.1 * h);
cairo_fill(cr);
}
/* blit memsurface into widget */
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
