void
planner_print_job_text (PlannerPrintJob *job,
gint x,
gint y,
const char *str)
{
g_return_if_fail (job != NULL);
g_return_if_fail (str != NULL);
PangoLayout *layout = gtk_print_context_create_pango_layout (job->pc);
PlannerPrintJobPriv *priv;
priv = job->priv;
pango_layout_set_font_description (layout, priv->current_font);
pango_layout_set_text (layout, str, -1);
pango_layout_context_changed (layout);
planner_print_job_moveto (job, x, y - priv->font_height);
pango_cairo_show_layout (job->cr, layout);
g_object_unref (layout);
}
static void
gwy_vector_layer_update_context(GwyVectorLayer *layer)
{
gwy_debug(" ");
if (layer->layout)
pango_layout_context_changed(layer->layout);
}
void
planner_print_job_show_clipped (PlannerPrintJob *job,
gdouble x,
gdouble y,
const gchar *str,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2)
{
PlannerPrintJobPriv *priv;
gint height;
priv = job->priv;
x1 = MAX (x1, 0);
x2 = MIN (x2, job->width);
y1 = MAX (y1, 0);
y2 = MIN (y2, job->height);
/* Don't try to print anything if the text starts outside the clip rect. */
if (x < x1 || x > x2) {
return;
}
cairo_save (job->cr);
cairo_set_line_width (job->cr, 1);
cairo_new_path (job->cr);
planner_print_job_moveto (job, x1, y1);
planner_print_job_lineto (job, x1, y2);
planner_print_job_lineto (job, x2, y2);
planner_print_job_lineto (job, x2, y1);
cairo_close_path (job->cr);
cairo_clip (job->cr);
PangoLayout *layout = gtk_print_context_create_pango_layout (job->pc);
pango_layout_set_text (layout, str, strlen(str));
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
pango_layout_set_width (layout, (x2 - x1) * PANGO_SCALE);
pango_layout_set_font_description (layout, priv->current_font);
pango_layout_context_changed (layout);
pango_layout_get_pixel_size (layout, NULL, &height);
planner_print_job_moveto (job, x, y - priv->font_height);
pango_cairo_show_layout (job->cr, layout);
g_object_unref (layout);
cairo_restore (job->cr);
}
void context_t::update(cairo_t* cr)
{
pango_cairo_update_context(cr, pango_context.get());
layouts.erase(std::remove_if(layouts.begin(), layouts.end(), [](const std::weak_ptr<layout_t>& layout) -> bool { return layout.expired(); }), layouts.end());
for(auto& layout_ref : layouts)
{
if(auto layout = layout_ref.lock())
pango_layout_context_changed(layout->layout.get());
}
}
static void
checkbutton_toggled (GtkWidget *widget, gpointer data)
{
GList *para_list;
pango_context_set_base_dir (context, GTK_TOGGLE_BUTTON (widget)->active ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR);
para_list = paragraphs;
while (para_list)
{
Paragraph *para = para_list->data;
pango_layout_context_changed (para->layout);
para_list = para_list->next;
}
gtk_widget_queue_resize (layout);
}
static void
reload_font ()
{
GList *para_list;
pango_context_set_font_description (context, font_description);
para_list = paragraphs;
while (para_list)
{
Paragraph *para = para_list->data;
pango_layout_context_changed (para->layout);
para_list = para_list->next;
}
if (layout)
gtk_widget_queue_resize (layout);
}
gdouble
planner_print_job_get_extents (PlannerPrintJob *job, char *text)
{
PangoLayout *layout = gtk_print_context_create_pango_layout (job->pc);
PlannerPrintJobPriv *priv;
PangoRectangle ink;
priv = job->priv;
pango_layout_set_font_description (layout, priv->current_font);
pango_layout_set_text (layout, text, -1);
pango_cairo_update_layout (gtk_print_context_get_cairo_context(job->pc), layout);
pango_layout_context_changed (layout);
pango_layout_get_extents (layout, &ink, NULL);
g_object_unref (layout);
return ((gdouble)ink.width / PANGO_SCALE);
}
static void cdtext(cdCtxCanvas *ctxcanvas, int x, int y, const char *s, int len)
{
PangoFontMetrics* metrics;
int w, h, desc, dir = -1;
int ox = x, oy = y;
pango_layout_set_text(ctxcanvas->fontlayout, sStrConvertToUTF8(ctxcanvas, s, len), -1);
pango_layout_get_pixel_size(ctxcanvas->fontlayout, &w, &h);
metrics = pango_context_get_metrics(ctxcanvas->fontcontext, ctxcanvas->fontdesc, pango_context_get_language(ctxcanvas->fontcontext));
desc = (((pango_font_metrics_get_descent(metrics)) + PANGO_SCALE/2) / PANGO_SCALE);
switch (ctxcanvas->canvas->text_alignment)
{
case CD_BASE_RIGHT:
case CD_NORTH_EAST:
case CD_EAST:
case CD_SOUTH_EAST:
x = x - w;
break;
case CD_BASE_CENTER:
case CD_CENTER:
case CD_NORTH:
case CD_SOUTH:
x = x - w/2;
break;
case CD_BASE_LEFT:
case CD_NORTH_WEST:
case CD_WEST:
case CD_SOUTH_WEST:
x = x;
break;
}
if (ctxcanvas->canvas->invert_yaxis)
dir = 1;
switch (ctxcanvas->canvas->text_alignment)
{
case CD_BASE_LEFT:
case CD_BASE_CENTER:
case CD_BASE_RIGHT:
y = y - (dir*h - desc);
break;
case CD_SOUTH_EAST:
case CD_SOUTH_WEST:
case CD_SOUTH:
y = y - (dir*h);
break;
case CD_NORTH_EAST:
case CD_NORTH:
case CD_NORTH_WEST:
y = y;
break;
case CD_CENTER:
case CD_EAST:
case CD_WEST:
y = y - (dir*(h/2));
break;
}
if(!ctxcanvas->canvas->use_matrix)
{
ctxcanvas->fontmatrix.xx = 1; ctxcanvas->fontmatrix.xy = 0;
ctxcanvas->fontmatrix.yx = 0; ctxcanvas->fontmatrix.yy = 1;
ctxcanvas->fontmatrix.x0 = 0; ctxcanvas->fontmatrix.y0 = 0;
}
if (ctxcanvas->canvas->use_matrix || ctxcanvas->canvas->text_orientation)
{
PangoRectangle rect;
double angle = ctxcanvas->canvas->text_orientation;
if (ctxcanvas->canvas->text_orientation)
pango_matrix_rotate(&ctxcanvas->fontmatrix, angle);
pango_context_set_matrix (ctxcanvas->fontcontext, &ctxcanvas->fontmatrix);
pango_layout_context_changed (ctxcanvas->fontlayout);
pango_layout_get_pixel_extents(ctxcanvas->fontlayout, NULL, &rect);
#if PANGO_VERSION_CHECK(1,16,0)
pango_matrix_transform_pixel_rectangle(&ctxcanvas->fontmatrix, &rect);
#endif
if (ctxcanvas->canvas->text_orientation)
{
double cos_angle = cos(angle*CD_DEG2RAD);
double sin_angle = sin(angle*CD_DEG2RAD);
cdRotatePoint(ctxcanvas->canvas, x, y, ox, oy, &x, &y, sin_angle, cos_angle);
}
if (ctxcanvas->canvas->use_matrix)
cdMatrixTransformPoint(ctxcanvas->xmatrix, x, y, &x, &y);
/* Defines the new position (X,Y), considering the Pango rectangle transformed */
x += (int)rect.x;
y += (int)rect.y;
}
cdgdkCheckSolidStyle(ctxcanvas, 1);
if (ctxcanvas->canvas->new_region)
{
GdkRegion *rgn;
gint *idx;
gint range;
pango_layout_line_get_x_ranges(pango_layout_get_line(ctxcanvas->fontlayout, 0), 0, len, &idx, &range);
/* TODO: this is only the bounding box of the layout, not the text itself,
must transform the text into a polygon. */
rgn = gdk_pango_layout_get_clip_region(ctxcanvas->fontlayout, x, y, idx, range);
sCombineRegion(ctxcanvas, rgn);
}
else
gdk_draw_layout(ctxcanvas->wnd, ctxcanvas->gc, x, y, ctxcanvas->fontlayout);
pango_context_set_matrix(ctxcanvas->fontcontext, NULL);
cdgdkCheckSolidStyle(ctxcanvas, 0);
pango_font_metrics_unref(metrics);
}
PangoLayout*
gdip_pango_setup_layout (GpGraphics *graphics, GDIPCONST WCHAR *stringUnicode, int length, GDIPCONST GpFont *font,
GDIPCONST RectF *rc, RectF *box, GDIPCONST GpStringFormat *format, int **charsRemoved)
{
GpStringFormat *fmt;
PangoLayout *layout;
PangoContext *context;
PangoRectangle logical; /* logical size of text (used for alignment) */
PangoRectangle ink; /* ink size of text (to pixel boundaries) */
PangoAttrList *list = NULL;
GString *ftext;
PangoTabArray *tabs;
PangoLayoutIter *iter;
int i;
int FrameWidth; /* rc->Width (or rc->Height if vertical) */
int FrameHeight; /* rc->Height (or rc->Width if vertical) */
int FrameX; /* rc->X (or rc->Y if vertical) */
int FrameY; /* rc->Y (or rc->X if vertical) */
int y0; /* y0,y1,clipNN used for checking line positions vs. clip rectangle */
int y1;
double clipx1;
double clipx2;
double clipy1;
double clipy2;
int trimSpace; /* whether or not to trim the space */
gchar *text = ucs2_to_utf8 (stringUnicode, length);
if (!text)
return NULL;
length = strlen(text);
if (charsRemoved) {
(*charsRemoved) = GdipAlloc (sizeof (int) * length);
if (!*charsRemoved) {
GdipFree (text);
return NULL;
}
memset (*charsRemoved, 0, sizeof (int) * length);
}
/* TODO - Digit substitution */
// g_warning ("layout >%s< (%d) [x %g, y %g, w %g, h %g] [font %s, %g points]", text, length, rc->X, rc->Y, rc->Width, FrameHeight, font->face, font->emSize);
/* a NULL format is valid, it means get the generic default values (and free them later) */
if (!format) {
GpStatus status = GdipStringFormatGetGenericDefault ((GpStringFormat **)&fmt);
if (status != Ok) {
GdipFree (text);
return NULL;
}
} else {
fmt = (GpStringFormat *)format;
}
layout = pango_cairo_create_layout (graphics->ct);
/* context is owned by Pango (i.e. not referenced counted) do not free */
context = pango_layout_get_context (layout);
pango_layout_set_font_description (layout, gdip_get_pango_font_description ((GpFont*) font));
if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
FrameWidth = MAKE_SAFE_FOR_PANGO (SAFE_FLOAT_TO_UINT32 (rc->Height));
FrameHeight = MAKE_SAFE_FOR_PANGO (SAFE_FLOAT_TO_UINT32 (rc->Width));
FrameX = SAFE_FLOAT_TO_UINT32 (rc->Y);
FrameY = SAFE_FLOAT_TO_UINT32 (rc->X);
} else {
FrameWidth = MAKE_SAFE_FOR_PANGO (SAFE_FLOAT_TO_UINT32 (rc->Width));
FrameHeight = MAKE_SAFE_FOR_PANGO (SAFE_FLOAT_TO_UINT32 (rc->Height));
FrameX = SAFE_FLOAT_TO_UINT32 (rc->X);
FrameY = SAFE_FLOAT_TO_UINT32 (rc->Y);
}
//g_warning("FW: %d\tFH: %d", FrameWidth, FrameHeight);
if ((FrameWidth <= 0) || (fmt->formatFlags & StringFormatFlagsNoWrap)) {
pango_layout_set_width (layout, -1);
//g_warning ("Setting width: %d", -1);
} else {
pango_layout_set_width (layout, FrameWidth * PANGO_SCALE);
//g_warning ("Setting width: %d", FrameWidth * PANGO_SCALE);
}
if ((rc->Width != 0) && (rc->Height != 0) && ((fmt->formatFlags & StringFormatFlagsNoClip) == 0)) {
// g_warning ("\tclip [%g %g %g %g]", rc->X, rc->Y, rc->Width, rc->Height);
/* We do not call cairo_reset_clip because we want to take previous clipping into account */
/* Use rc instead of frame variables because this is pre-transform */
gdip_cairo_rectangle (graphics, rc->X, rc->Y, rc->Width, rc->Height, TRUE);
cairo_clip (graphics->ct);
}
/* with GDI+ the API not the renderer makes the direction decision */
pango_layout_set_auto_dir (layout, FALSE);
if (!(fmt->formatFlags & StringFormatFlagsDirectionRightToLeft) != !(fmt->formatFlags & StringFormatFlagsDirectionVertical)) {
pango_context_set_base_dir (context, PANGO_DIRECTION_WEAK_RTL);
pango_layout_context_changed (layout);
/* horizontal alignment */
switch (fmt->alignment) {
case StringAlignmentNear:
pango_layout_set_alignment (layout, PANGO_ALIGN_RIGHT);
break;
case StringAlignmentCenter:
pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
break;
case StringAlignmentFar:
pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
break;
}
} else {
/* pango default base dir is WEAK_LTR, which is what we want */
/* horizontal alignment */
switch (fmt->alignment) {
case StringAlignmentNear:
pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
break;
case StringAlignmentCenter:
pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
break;
case StringAlignmentFar:
pango_layout_set_alignment (layout, PANGO_ALIGN_RIGHT);
break;
}
}
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,16,0)
if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
if (fmt->formatFlags & StringFormatFlagsDirectionRightToLeft) {
cairo_rotate (graphics->ct, M_PI/2.0);
cairo_translate (graphics->ct, 0, -FrameHeight);
pango_cairo_update_context (graphics->ct, context);
} else {
cairo_rotate (graphics->ct, 3.0*M_PI/2.0);
cairo_translate (graphics->ct, -FrameWidth, 0);
pango_cairo_update_context (graphics->ct, context);
}
/* only since Pango 1.16 */
pango_context_set_base_gravity (context, PANGO_GRAVITY_AUTO);
pango_context_set_gravity_hint (context, PANGO_GRAVITY_HINT_LINE);
pango_layout_context_changed (layout);
}
#endif
#endif
/* TODO - StringFormatFlagsDisplayFormatControl
scan and replace them ??? */
/* Trimming options seem to apply only to the end of the string - gdi+ will still wrap
* with preference to word first, then character. Unfortunately, pango doesn't have
* any way to differentiate wrapping behavior from trimming behavior that I could find */
pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
switch (fmt->trimming) {
case StringTrimmingNone:
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
break;
case StringTrimmingCharacter:
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
break;
case StringTrimmingWord:
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
break;
case StringTrimmingEllipsisCharacter:
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
if (!(fmt->formatFlags & StringFormatFlagsNoWrap))
pango_layout_set_height (layout, FrameHeight == 0 ? G_MAXINT32 : FrameHeight * PANGO_SCALE);
break;
case StringTrimmingEllipsisWord:
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
if (!(fmt->formatFlags & StringFormatFlagsNoWrap))
pango_layout_set_height (layout, FrameHeight == 0 ? G_MAXINT32 : FrameHeight * PANGO_SCALE);
break;
case StringTrimmingEllipsisPath:
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_MIDDLE);
if (!(fmt->formatFlags & StringFormatFlagsNoWrap))
pango_layout_set_height (layout, FrameHeight == 0 ? G_MAXINT32 : FrameHeight * PANGO_SCALE);
break;
}
/* some stuff can only be done by manipulating the attributes (but we can avoid this most of the time) */
if ((fmt->formatFlags & StringFormatFlagsNoFontFallback) || (font->style & (FontStyleUnderline | FontStyleStrikeout))) {
list = gdip_get_layout_attributes (layout);
/* StringFormatFlagsNoFontFallback */
if (fmt->formatFlags & StringFormatFlagsNoFontFallback) {
PangoAttribute *attr = pango_attr_fallback_new (FALSE);
attr->start_index = 0;
attr->end_index = length;
pango_attr_list_insert (list, attr);
}
if (font->style & FontStyleUnderline) {
PangoAttribute *attr = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
attr->start_index = 0;
attr->end_index = length;
pango_attr_list_insert (list, attr);
}
if (font->style & FontStyleStrikeout) {
PangoAttribute *attr = pango_attr_strikethrough_new (TRUE);
attr->start_index = 0;
attr->end_index = length;
pango_attr_list_insert (list, attr);
}
}
if (fmt->numtabStops > 0) {
float tabPosition;
tabs = pango_tab_array_new (fmt->numtabStops, FALSE);
tabPosition = fmt->firstTabOffset;
for (i = 0; i < fmt->numtabStops; i++) {
tabPosition += fmt->tabStops[i];
pango_tab_array_set_tab (tabs, i, PANGO_TAB_LEFT, (gint)min (tabPosition, PANGO_MAX) * PANGO_SCALE);
}
pango_layout_set_tabs (layout, tabs);
pango_tab_array_free (tabs);
}
//g_warning ("length before ws removal: %d", length);
trimSpace = (fmt->formatFlags & StringFormatFlagsMeasureTrailingSpaces) == 0;
switch (fmt->hotkeyPrefix) {
case HotkeyPrefixHide:
/* we need to remove any accelerator from the string */
ftext = gdip_process_string (text, length, 1, trimSpace, NULL, charsRemoved);
break;
case HotkeyPrefixShow:
/* optimization: is seems that we never see the hotkey when using an underline font */
if (font->style & FontStyleUnderline) {
/* so don't bother drawing it (and simply add the '&' character) */
ftext = gdip_process_string (text, length, 1, trimSpace, NULL, charsRemoved);
} else {
/* find accelerator and add attribute to the next character (unless it's the prefix too) */
if (!list)
list = gdip_get_layout_attributes (layout);
ftext = gdip_process_string (text, length, 1, trimSpace, list, charsRemoved);
}
break;
default:
ftext = gdip_process_string (text, length, 0, trimSpace, NULL, charsRemoved);
break;
}
length = ftext->len;
//g_warning ("length after ws removal: %d", length);
if (list) {
pango_layout_set_attributes (layout, list);
pango_attr_list_unref (list);
}
// g_warning("\tftext>%s< (%d)", ftext->str, -1);
pango_layout_set_text (layout, ftext->str, ftext->len);
GdipFree (text);
g_string_free(ftext, TRUE);
/* Trim the text after the last line for ease of counting lines/characters */
/* Also prevents drawing whole lines outside the boundaries if NoClip was specified */
/* In case of pre-existing clipping, use smaller of clip rectangle or our specified height */
if (FrameHeight > 0) {
cairo_clip_extents (graphics->ct, &clipx1, &clipy1, &clipx2, &clipy2);
if (clipy2 > 0 && !(fmt->formatFlags & StringFormatFlagsNoClip))
clipy2 = min (clipy2, FrameHeight + FrameY);
else
clipy2 = FrameHeight + FrameY;
iter = pango_layout_get_iter (layout);
do {
if (iter == NULL)
break;
pango_layout_iter_get_line_yrange (iter, &y0, &y1);
//g_warning("yrange: %d %d clipy2: %f", y0 / PANGO_SCALE, y1 / PANGO_SCALE, clipy2);
/* StringFormatFlagsLineLimit */
if (((fmt->formatFlags & StringFormatFlagsLineLimit) && y1 / PANGO_SCALE > clipy2) || (y0 / PANGO_SCALE > clipy2)) {
PangoLayoutLine *line = pango_layout_iter_get_line_readonly (iter);
pango_layout_set_text (layout, pango_layout_get_text (layout), line->start_index);
break;
}
} while (pango_layout_iter_next_line (iter));
pango_layout_iter_free (iter);
}
pango_layout_get_pixel_extents (layout, &ink, &logical);
// g_warning ("\tlogical\t[x %d, y %d, w %d, h %d][x %d, y %d, w %d, h %d]", logical.x, logical.y, logical.width, logical.height, ink.x, ink.y, ink.width, ink.height);
if ((fmt->formatFlags & StringFormatFlagsNoFitBlackBox) == 0) {
/* By default don't allow overhang - ink space may be larger than logical space */
if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
box->X = min (ink.y, logical.y);
box->Y = min (ink.x, logical.x);
box->Height = max (ink.width, logical.width);
box->Width = max (ink.height, logical.height);
} else {
box->X = min (ink.x, logical.x);
box->Y = min (ink.y, logical.y);
box->Height = max (ink.height, logical.height);
box->Width = max (ink.width, logical.width);
}
} else {
/* Allow overhang */
if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
box->X = logical.y;
box->Y = logical.x;
box->Height = logical.width;
box->Width = logical.height;
} else {
box->X = logical.x;
box->Y = logical.y;
box->Height = logical.height;
box->Width = logical.width;
}
}
// g_warning ("\tbox\t[x %g, y %g, w %g, h %g]", box->X, box->Y, box->Width, box->Height);
/* vertical alignment*/
if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
switch (fmt->lineAlignment) {
case StringAlignmentNear:
break;
case StringAlignmentCenter:
box->X += (rc->Width - box->Width) / 2;
break;
case StringAlignmentFar:
box->X += (rc->Width - box->Width);
break;
}
} else {
switch (fmt->lineAlignment) {
case StringAlignmentNear:
break;
case StringAlignmentCenter:
box->Y += (rc->Height - box->Height) / 2;
break;
case StringAlignmentFar:
box->Y += (rc->Height - box->Height);
break;
}
}
// g_warning ("va-box\t[x %g, y %g, w %g, h %g]", box->X, box->Y, box->Width, box->Height);
pango_cairo_update_layout (graphics->ct, layout);
return layout;
}
void iupdrvDrawText(IdrawCanvas* dc, const char* text, int len, int x, int y, int w, int h, long color, const char* font, int flags, double text_orientation)
{
PangoLayout* fontlayout = (PangoLayout*)iupgtkGetPangoLayout(font);
PangoAlignment alignment = PANGO_ALIGN_LEFT;
GdkColor c;
PangoContext* fontcontext = NULL;
int layout_w = w, layout_h = h;
int layout_center = flags & IUP_DRAW_LAYOUTCENTER;
if (text_orientation && layout_center)
iupDrawGetTextInnerBounds(w, h, text_orientation, &layout_w, &layout_h);
iupgdkColorSet(&c, color);
gdk_gc_set_rgb_fg_color(dc->pixmap_gc, &c);
text = iupgtkStrConvertToSystemLen(text, &len);
pango_layout_set_text(fontlayout, text, len);
if (flags & IUP_DRAW_RIGHT)
alignment = PANGO_ALIGN_RIGHT;
else if (flags & IUP_DRAW_CENTER)
alignment = PANGO_ALIGN_CENTER;
if (flags & IUP_DRAW_WRAP)
{
pango_layout_set_width(fontlayout, iupGTK_PIXELS2PANGOUNITS(layout_w));
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,2,0)
pango_layout_set_height(fontlayout, iupGTK_PIXELS2PANGOUNITS(layout_h));
#endif
#endif
}
else if (flags & IUP_DRAW_ELLIPSIS)
{
pango_layout_set_width(fontlayout, iupGTK_PIXELS2PANGOUNITS(layout_w));
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,2,0)
pango_layout_set_height(fontlayout, iupGTK_PIXELS2PANGOUNITS(layout_h));
#endif
#endif
pango_layout_set_ellipsize(fontlayout, PANGO_ELLIPSIZE_END);
}
pango_layout_set_alignment(fontlayout, alignment);
if (flags & IUP_DRAW_CLIP)
{
GdkRectangle rect;
rect.x = x;
rect.y = y;
rect.width = w;
rect.height = h;
gdk_gc_set_clip_rectangle(dc->pixmap_gc, &rect);
}
if (text_orientation)
{
PangoRectangle rect;
PangoMatrix fontmatrix = PANGO_MATRIX_INIT;
fontcontext = pango_layout_get_context(fontlayout);
pango_matrix_rotate(&fontmatrix, text_orientation);
pango_context_set_matrix(fontcontext, &fontmatrix);
pango_layout_context_changed(fontlayout);
pango_layout_get_pixel_extents(fontlayout, NULL, &rect);
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,16,0)
pango_matrix_transform_pixel_rectangle(&fontmatrix, &rect);
#endif
#endif
/* Adjust the position considering the Pango rectangle transformed */
if (layout_center)
{
x += (w - rect.width) / 2;
y += (h - rect.height) / 2;
}
else
{
x += (int)rect.x;
y += (int)rect.y;
}
}
gdk_draw_layout(dc->pixmap, dc->pixmap_gc, x, y, fontlayout);
/* restore settings */
if ((flags & IUP_DRAW_WRAP) || (flags & IUP_DRAW_ELLIPSIS))
{
pango_layout_set_width(fontlayout, -1);
#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,2,0)
pango_layout_set_height(fontlayout, -1);
#endif
#endif
}
if (flags & IUP_DRAW_ELLIPSIS)
pango_layout_set_ellipsize(fontlayout, PANGO_ELLIPSIZE_NONE);
if (flags & IUP_DRAW_CLIP)
gdk_gc_set_clip_region(dc->pixmap_gc, NULL);
if (text_orientation)
pango_context_set_matrix(fontcontext, NULL);
}
/*
* render functions
*/
static void
begin_render(DiaRenderer *self, const Rectangle *update)
{
DiaCairoRenderer *renderer = DIA_CAIRO_RENDERER (self);
real onedu = 0.0;
real lmargin = 0.0, tmargin = 0.0;
gboolean paginated = renderer->surface && /* only with our own pagination, not GtkPrint */
cairo_surface_get_type (renderer->surface) == CAIRO_SURFACE_TYPE_PDF && !renderer->skip_show_page;
if (renderer->surface && !renderer->cr)
renderer->cr = cairo_create (renderer->surface);
else
g_assert (renderer->cr);
/* remember current state, so we can start from new with every page */
cairo_save (renderer->cr);
if (paginated && renderer->dia) {
DiagramData *data = renderer->dia;
/* Dia's paper.width already contains the scale, cairo needs it without
* Similar for margins, Dia's without, but cairo wants them?
*/
real width = (data->paper.lmargin + data->paper.width * data->paper.scaling + data->paper.rmargin)
* (72.0 / 2.54) + 0.5;
real height = (data->paper.tmargin + data->paper.height * data->paper.scaling + data->paper.bmargin)
* (72.0 / 2.54) + 0.5;
/* "Changes the size of a PDF surface for the current (and
* subsequent) pages." Pagination setup? */
cairo_pdf_surface_set_size (renderer->surface, width, height);
lmargin = data->paper.lmargin / data->paper.scaling;
tmargin = data->paper.tmargin / data->paper.scaling;
}
cairo_scale (renderer->cr, renderer->scale, renderer->scale);
/* to ensure no clipping at top/left we need some extra gymnastics,
* otherwise a box with a line witdh one one pixel might loose the
* top/left border as in bug #147386 */
ensure_minimum_one_device_unit (renderer, &onedu);
if (update && paginated) {
cairo_rectangle (renderer->cr, lmargin, tmargin,
update->right - update->left, update->bottom - update->top);
cairo_clip (renderer->cr);
cairo_translate (renderer->cr, -update->left + lmargin, -update->top + tmargin);
} else
cairo_translate (renderer->cr, -renderer->dia->extents.left + onedu, -renderer->dia->extents.top + onedu);
/* no more blurred UML diagrams */
cairo_set_antialias (renderer->cr, CAIRO_ANTIALIAS_NONE);
/* clear background */
if (renderer->with_alpha)
{
cairo_set_operator (renderer->cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba (renderer->cr,
renderer->dia->bg_color.red,
renderer->dia->bg_color.green,
renderer->dia->bg_color.blue,
0.0);
}
else
{
cairo_set_source_rgba (renderer->cr,
renderer->dia->bg_color.red,
renderer->dia->bg_color.green,
renderer->dia->bg_color.blue,
1.0);
}
cairo_paint (renderer->cr);
if (renderer->with_alpha)
{
/* restore to default drawing */
cairo_set_operator (renderer->cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgba (renderer->cr,
renderer->dia->bg_color.red,
renderer->dia->bg_color.green,
renderer->dia->bg_color.blue,
1.0);
}
#ifdef HAVE_PANGOCAIRO_H
if (!renderer->layout)
renderer->layout = pango_cairo_create_layout (renderer->cr);
#endif
cairo_set_fill_rule (renderer->cr, CAIRO_FILL_RULE_EVEN_ODD);
#if 0 /* try to work around bug #341481 - no luck */
{
cairo_font_options_t *fo = cairo_font_options_create ();
cairo_get_font_options (renderer->cr, fo);
/* try to switch off kerning */
cairo_font_options_set_hint_style (fo, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_hint_metrics (fo, CAIRO_HINT_METRICS_OFF);
cairo_set_font_options (renderer->cr, fo);
cairo_font_options_destroy (fo);
#ifdef HAVE_PANGOCAIRO_H
pango_cairo_update_context (renderer->cr, pango_layout_get_context (renderer->layout));
pango_layout_context_changed (renderer->layout);
#endif
}
#endif
DIAG_STATE(renderer->cr)
}
static VALUE
rg_context_changed(VALUE self)
{
pango_layout_context_changed(_SELF(self));
return Qnil;
}
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;
}
//-----------------------------------------------------------------------------
void t_display_rysuj_siatke_czas (T_Display *w)
{
int wys ;
char ctmp [20] ;
wys = w->canvas->allocation.height ;
// kolor siatki i opisow
GdkGC *gc = gdk_gc_new (GTK_LAYOUT(w->canvas)->bin_window);
GdkColor color ;
color.red = 0;
color.green = 40000;
color.blue = 0;
gdk_gc_set_rgb_fg_color(gc,&color) ;
time_t hours = w->last_time - w->last_time % w->time_step ;
int dzialka_godz = w->time_step / 3600 ;
//printf ("%d %d %d\n",hours, dzialka_godz, w->last_time % w->time_step) ;
if (w->time_step > 60*60) { // dla dzialki powyzej godziny utrzymac polnoc :)
hours = full_hour(w->last_time) ;
while ( ((get_hour(hours) % dzialka_godz) != 0) &&
(hours > (w->last_time - w->time_range)) )
{
hours -= 3600 ; // czasami nie pokazuje najpozniejszej godziny dla dzialki 3h
// pewnie przez jakies dziwne zjawiska z czasem (lata przestepne ?)
} ;
} ;
//printf ("%d\n",hours) ;
int x_hours ;
PangoLayout *etykieta ;
int et_szer, et_wys ;
int label_x, label_y ;
while (hours > (w->last_time - w->time_range))
{
x_hours = time_to_pixel_x(hours, w) ;
//snprintf (&(ctmp[0]), 20, "%.2d:%.2d", get_hour(hours), get_minute(hours)) ;
gen_time_label_string(&(ctmp[0]), 20, hours, w) ;
etykieta = gtk_widget_create_pango_layout (w->canvas,ctmp);
pango_layout_get_pixel_size (etykieta, &et_szer, &et_wys) ;
label_x = x_hours-et_szer/2 ;
label_y = et_wys+LABEL_MARGIN/2 ;
PangoMatrix matrix = PANGO_MATRIX_INIT;
if (w->x_labels_vert == TRUE)
{
pango_matrix_rotate (&matrix, 90.);
label_x = x_hours - (et_wys)/2 ;
label_y = et_szer + LABEL_MARGIN ;
} ;
pango_context_set_matrix (pango_layout_get_context(etykieta), &matrix);
pango_layout_context_changed(etykieta) ;
// rysowanie dzialek i etykiet
gdk_draw_layout (GTK_LAYOUT(w->canvas)->bin_window,
//w->canvas->style->fg_gc[GTK_WIDGET_STATE (w->canvas)],
gc,
label_x, wys-label_y - w->legend_height, etykieta) ;
gdk_draw_line (GTK_LAYOUT(w->canvas)->bin_window,
//w->canvas->style->fg_gc[GTK_WIDGET_STATE (w->canvas)],
gc,
x_hours,wys-w->y_pixel_offset,x_hours,wys-wys) ;
// pogrubienie wybranych dzialek
if ((get_seconds(hours) == 0) &&
(get_minute(hours) == 0) &&
(get_hour(hours) == 0) )
{
gdk_draw_line (GTK_LAYOUT(w->canvas)->bin_window,
//w->canvas->style->fg_gc[GTK_WIDGET_STATE (w->canvas)],
gc,
x_hours+1,wys-w->y_pixel_offset,x_hours+1,wys-wys) ;
} ;
g_object_unref(etykieta) ;
hours -= w->time_step ;
} ;
g_object_unref(gc) ;
} ;
cairo_surface_t*
render_text_to_surface (gchar* text,
gint width,
gint height,
const cairo_font_options_t* font_opts,
gdouble dpi)
{
cairo_surface_t* surface;
cairo_t* cr;
PangoFontDescription* desc;
PangoLayout* layout;
// sanity check
if (!text ||
width <= 0 ||
height <= 0)
return NULL;
// create surface
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
width,
height);
if (cairo_surface_status (surface) != CAIRO_STATUS_SUCCESS)
return NULL;
// create context
cr = cairo_create (surface);
if (cairo_status (cr) != CAIRO_STATUS_SUCCESS)
{
cairo_surface_destroy (surface);
return NULL;
}
// clear context
cairo_scale (cr, 1.0f, 1.0f);
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
//
layout = pango_cairo_create_layout (cr);
desc = pango_font_description_new ();
pango_font_description_set_size (desc, 12 * PANGO_SCALE);
pango_font_description_set_family_static (desc, "Candara");
pango_font_description_set_weight (desc, PANGO_WEIGHT_NORMAL);
pango_font_description_set_style (desc, PANGO_STYLE_NORMAL);
pango_layout_set_wrap (layout, PANGO_WRAP_WORD);
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
pango_layout_set_width (layout, width * PANGO_SCALE);
pango_layout_set_height (layout, height * PANGO_SCALE);
pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
// print and layout string (pango-wise)
pango_layout_set_text (layout, text, -1);
// make sure system-wide font-options like hinting, antialiasing etc.
// are taken into account
pango_cairo_context_set_font_options (pango_layout_get_context (layout),
font_opts);
pango_cairo_context_set_resolution (pango_layout_get_context (layout),
dpi);
pango_layout_context_changed (layout);
// draw pango-text to our cairo-context
cairo_move_to (cr, 0.0f, 0.0f);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgba (cr, 1.0f, 1.0f, 1.0f, 1.0f);
// this call leaks 3803 bytes, I've no idea how to fix that
pango_cairo_show_layout (cr, layout);
// clean up
g_object_unref (layout);
cairo_destroy (cr);
return surface;
}
/* 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 draw_page(GtkPrintOperation *operation, GtkPrintContext *context,
gint page_nr, gpointer user_data)
{
DocInfo *dinfo = user_data;
GeanyEditor *editor;
cairo_t *cr;
gdouble width, height;
gdouble x = 0.0, y = 0.0;
/*gint layout_h;*/
gint count;
GString *str;
if (dinfo == NULL || page_nr >= dinfo->n_pages)
return;
editor = dinfo->doc->editor;
if (dinfo->n_pages > 0)
{
gdouble fraction = (page_nr + 1) / (gdouble) dinfo->n_pages;
gchar *text = g_strdup_printf(_("Page %d of %d"), page_nr, dinfo->n_pages);
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(main_widgets.progressbar), fraction);
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(main_widgets.progressbar), text);
g_free(text);
}
#ifdef GEANY_PRINT_DEBUG
geany_debug("draw_page = %d, pages = %d, (real) lines_per_page = %d",
page_nr, dinfo->n_pages, dinfo->lines_per_page);
#endif
str = g_string_sized_new(256);
cr = gtk_print_context_get_cairo_context(context);
width = gtk_print_context_get_width(context);
height = gtk_print_context_get_height(context);
cairo_set_source_rgb(cr, 0, 0, 0);
#ifdef GEANY_PRINT_DEBUG
cairo_set_line_width(cr, 0.2);
cairo_rectangle(cr, 0, 0, width, height);
cairo_stroke(cr);
#endif
cairo_move_to(cr, 0, 0);
pango_layout_set_width(dinfo->layout, width * PANGO_SCALE);
pango_layout_set_alignment(dinfo->layout, PANGO_ALIGN_LEFT);
pango_layout_set_ellipsize(dinfo->layout, FALSE);
pango_layout_set_justify(dinfo->layout, FALSE);
if (printing_prefs.print_page_header)
add_page_header(dinfo, cr, width, page_nr);
count = 0; /* the actual line counter for the current page, might be different from
* dinfo->cur_line due to possible line breaks */
while (count < dinfo->lines_per_page)
{
gchar c = 'a';
gint style = -1;
PangoAttrList *layout_attr;
PangoAttribute *attr;
gint colours[3] = { 0 };
gboolean add_linenumber = TRUE;
gboolean at_eol;
while (count < dinfo->lines_per_page && c != '\0')
{
at_eol = FALSE;
g_string_erase(str, 0, str->len); /* clear the string */
/* line numbers */
if (printing_prefs.print_line_numbers && add_linenumber)
{
/* if we had a wrapped line on the last page which needs to be continued, don't
* add a line number */
if (dinfo->long_line)
{
add_linenumber = FALSE;
}
else
{
gchar *line_number = NULL;
gint cur_line_number_margin = get_line_numbers_arity(dinfo->cur_line + 1);
gchar *fill = g_strnfill(
dinfo->max_line_number_margin - cur_line_number_margin - 1, ' ');
line_number = g_strdup_printf("%s%d ", fill, dinfo->cur_line + 1);
g_string_append(str, line_number);
dinfo->cur_line++; /* increase document line */
add_linenumber = FALSE;
style = STYLE_LINENUMBER;
c = 'a'; /* dummy value */
g_free(fill);
g_free(line_number);
}
}
/* data */
else
{
style = sci_get_style_at(dinfo->doc->editor->sci, dinfo->cur_pos);
c = sci_get_char_at(dinfo->doc->editor->sci, dinfo->cur_pos);
if (c == '\0' || style == -1)
{ /* if c gets 0, we are probably out of document boundaries,
* so stop to break out of outer loop */
count = dinfo->lines_per_page;
break;
}
dinfo->cur_pos++;
/* convert tabs to spaces which seems to be better than using Pango tabs */
if (c == '\t')
{
gint tab_width = sci_get_tab_width(editor->sci);
gchar *s = g_strnfill(tab_width, ' ');
g_string_append(str, s);
g_free(s);
}
/* don't add line breaks, they are handled manually below */
else if (c == '\r' || c == '\n')
{
gchar c_next = sci_get_char_at(dinfo->doc->editor->sci, dinfo->cur_pos);
at_eol = TRUE;
if (c == '\r' && c_next == '\n')
dinfo->cur_pos++; /* skip LF part of CR/LF */
}
else
{
g_string_append_c(str, c); /* finally add the character */
/* handle UTF-8: since we add char by char (better: byte by byte), we need to
* keep UTF-8 characters together(e.g. two bytes for one character)
* the input is always UTF-8 and c is signed, so all non-Ascii
* characters are less than 0 and consist of all bytes less than 0.
* style doesn't change since it is only one character with multiple bytes. */
while (c < 0)
{
c = sci_get_char_at(dinfo->doc->editor->sci, dinfo->cur_pos);
if (c < 0)
{ /* only add the byte when it is part of the UTF-8 character
* otherwise we could add e.g. a '\n' and it won't be visible in the
* printed document */
g_string_append_c(str, c);
dinfo->cur_pos++;
}
}
}
}
if (! at_eol)
{
/* set text */
pango_layout_set_text(dinfo->layout, str->str, -1);
/* attributes */
layout_attr = pango_attr_list_new();
/* foreground colour */
get_rgb_values(dinfo->styles[style][FORE], &colours[0], &colours[1], &colours[2]);
attr = pango_attr_foreground_new(colours[0], colours[1], colours[2]);
ADD_ATTR(layout_attr, attr);
/* background colour */
get_rgb_values(dinfo->styles[style][BACK], &colours[0], &colours[1], &colours[2]);
attr = pango_attr_background_new(colours[0], colours[1], colours[2]);
ADD_ATTR(layout_attr, attr);
/* bold text */
if (dinfo->styles[style][BOLD])
{
attr = pango_attr_weight_new(PANGO_WEIGHT_BOLD);
ADD_ATTR(layout_attr, attr);
}
/* italic text */
if (dinfo->styles[style][ITALIC])
{
attr = pango_attr_style_new(PANGO_STYLE_ITALIC);
ADD_ATTR(layout_attr, attr);
}
pango_layout_set_attributes(dinfo->layout, layout_attr);
pango_layout_context_changed(dinfo->layout);
pango_attr_list_unref(layout_attr);
}
cairo_get_current_point(cr, &x, &y);
/* normal line break at eol character in document */
if (at_eol)
{
/*pango_layout_get_size(dinfo->layout, NULL, &layout_h);*/
/*cairo_move_to(cr, 0, y + (gdouble)layout_h / PANGO_SCALE);*/
cairo_move_to(cr, 0, y + dinfo->line_height);
count++;
/* we added a new document line so request a new line number */
add_linenumber = TRUE;
}
else
{
gint x_offset = 0;
/* maybe we need to force a line break because of too long line */
if (x >= (width - dinfo->font_width))
{
/* don't start the line at horizontal origin because we need to skip the
* line number margin */
if (printing_prefs.print_line_numbers)
{
x_offset = (dinfo->max_line_number_margin + 1) * dinfo->font_width;
}
/*pango_layout_get_size(dinfo->layout, NULL, &layout_h);*/
/*cairo_move_to(cr, x_offset, y + (gdouble)layout_h / PANGO_SCALE);*/
/* this is faster but not exactly the same as above */
cairo_move_to(cr, x_offset, y + dinfo->line_height);
cairo_get_current_point(cr, &x, &y);
count++;
}
if (count < dinfo->lines_per_page)
{
/* str->len is counted in bytes not characters, so use g_utf8_strlen() */
x_offset = (g_utf8_strlen(str->str, -1) * dinfo->font_width);
if (dinfo->long_line && count == 0)
{
x_offset = (dinfo->max_line_number_margin + 1) * dinfo->font_width;
dinfo->long_line = FALSE;
}
pango_cairo_show_layout(cr, dinfo->layout);
cairo_move_to(cr, x + x_offset, y);
}
else
/* we are on a wrapped line but we are out of lines on this page, so continue
* the current line on the next page and remember to continue in current line */
dinfo->long_line = TRUE;
}
}
}
if (printing_prefs.print_line_numbers)
{ /* print a thin line between the line number margin and the data */
gint y_start = 0;
if (printing_prefs.print_page_header)
y_start = (dinfo->line_height * 3) - 2; /* "- 2": to connect the line number line to
* the page header frame */
cairo_set_line_width(cr, 0.3);
cairo_move_to(cr, (dinfo->max_line_number_margin * dinfo->font_width) + 1, y_start);
cairo_line_to(cr, (dinfo->max_line_number_margin * dinfo->font_width) + 1,
y + dinfo->line_height); /* y is last added line, we reuse it */
cairo_stroke(cr);
}
if (printing_prefs.print_page_numbers)
{
gchar *line = g_strdup_printf("<small>- %d -</small>", page_nr + 1);
pango_layout_set_markup(dinfo->layout, line, -1);
pango_layout_set_alignment(dinfo->layout, PANGO_ALIGN_CENTER);
cairo_move_to(cr, 0, height - dinfo->line_height);
pango_cairo_show_layout(cr, dinfo->layout);
g_free(line);
#ifdef GEANY_PRINT_DEBUG
cairo_set_line_width(cr, 0.3);
cairo_move_to(cr, 0, height - (1.25 * dinfo->line_height));
cairo_line_to(cr, width - 1, height - (1.25 * dinfo->line_height));
cairo_stroke(cr);
#endif
}
g_string_free(str, TRUE);
}
void
gnm_rendered_value_remeasure (GnmRenderedValue *rv)
{
if (rv->rotation) {
GnmRenderedRotatedValue *rrv = (GnmRenderedRotatedValue *)rv;
PangoContext *context = pango_layout_get_context (rv->layout);
double sin_a, abs_sin_a, cos_a;
int sdx = 0;
int x0 = 0, x1 = 0;
PangoLayoutIter *iter;
int l = 0;
int lwidth;
sin_a = rrv->rotmat.xy;
abs_sin_a = fabs (sin_a);
cos_a = rrv->rotmat.xx;
pango_context_set_matrix (context, &rrv->rotmat);
pango_layout_context_changed (rv->layout);
rrv->linecount = pango_layout_get_line_count (rv->layout);
rrv->lines = g_new (struct GnmRenderedRotatedValueInfo, rrv->linecount);
pango_layout_get_size (rv->layout, &lwidth, NULL);
rv->layout_natural_height = 0;
iter = pango_layout_get_iter (rv->layout);
do {
PangoRectangle logical;
int x, dx, dy, indent;
int h, ytop, ybot, baseline;
pango_layout_iter_get_line_extents (iter, NULL, &logical);
pango_layout_iter_get_line_yrange (iter, &ytop, &ybot);
baseline = pango_layout_iter_get_baseline (iter);
indent = logical.x;
if (sin_a < 0)
indent -= lwidth;
if (l == 0 && rv->noborders)
sdx = (int)(baseline * sin_a - ybot / sin_a);
dx = sdx + (int)(ybot / sin_a + indent * cos_a);
dy = (int)((baseline - ybot) * cos_a - indent * sin_a);
rrv->lines[l].dx = dx;
rrv->lines[l].dy = dy;
/* Left edge. */
x = dx - (int)((baseline - ytop) * sin_a);
x0 = MIN (x0, x);
/* Right edge. */
x = dx + (int)(logical.width * cos_a + (ybot - baseline) * sin_a);
x1 = MAX (x1, x);
h = logical.width * abs_sin_a + logical.height * cos_a;
if (h > rv->layout_natural_height)
rv->layout_natural_height = h;
l++;
} while (pango_layout_iter_next_line (iter));
pango_layout_iter_free (iter);
rv->layout_natural_width = x1 - x0;
if (sin_a < 0) {
int dx = rv->layout_natural_width;
for (l = 0; l < rrv->linecount; l++)
rrv->lines[l].dx += dx;
}
for (l = 0; l < rrv->linecount; l++)
rrv->lines[l].dy += rv->layout_natural_height;
#if 0
g_print ("Natural size: %d x %d\n", rv->layout_natural_width, rv->layout_natural_height);
#endif
pango_context_set_matrix (context, NULL);
pango_layout_context_changed (rv->layout);
} else
static void
draw_string(DiaRenderer *self,
const char *text,
Point *pos, Alignment alignment,
Color *color)
{
DiaCairoRenderer *renderer = DIA_CAIRO_RENDERER (self);
int len = strlen(text);
DIAG_NOTE(g_message("draw_string(%d) %f,%f %s",
len, pos->x, pos->y, text));
if (len < 1) return; /* shouldn't this be handled by Dia's core ? */
cairo_set_source_rgba (renderer->cr, color->red, color->green, color->blue, 1.0);
#ifdef HAVE_PANGOCAIRO_H
cairo_save (renderer->cr);
/* alignment calculation done by pangocairo? */
pango_layout_set_alignment (renderer->layout, alignment == ALIGN_CENTER ? PANGO_ALIGN_CENTER :
alignment == ALIGN_RIGHT ? PANGO_ALIGN_RIGHT : PANGO_ALIGN_LEFT);
pango_layout_set_text (renderer->layout, text, len);
{
PangoLayoutIter *iter = pango_layout_get_iter(renderer->layout);
int bline = pango_layout_iter_get_baseline(iter);
/* although we give the alignment above we need to adjust the start point */
PangoRectangle extents;
int shift;
pango_layout_iter_get_line_extents (iter, NULL, &extents);
shift = alignment == ALIGN_CENTER ? PANGO_RBEARING(extents)/2 :
alignment == ALIGN_RIGHT ? PANGO_RBEARING(extents) : 0;
cairo_move_to (renderer->cr, pos->x - (double)shift / PANGO_SCALE, pos->y - (double)bline / PANGO_SCALE);
pango_layout_iter_free (iter);
}
/* does this hide bug #341481? */
pango_cairo_update_context (renderer->cr, pango_layout_get_context (renderer->layout));
pango_layout_context_changed (renderer->layout);
pango_cairo_show_layout (renderer->cr, renderer->layout);
cairo_restore (renderer->cr);
#else
/* using the 'toy API' */
{
cairo_text_extents_t extents;
double x = 0, y = 0;
cairo_set_source_rgba (renderer->cr, color->red, color->green, color->blue, 1.0);
cairo_text_extents (renderer->cr,
text,
&extents);
y = pos->y; /* ?? */
switch (alignment) {
case ALIGN_LEFT:
x = pos->x;
break;
case ALIGN_CENTER:
x = pos->x - extents.width / 2 + +extents.x_bearing;
break;
case ALIGN_RIGHT:
x = pos->x - extents.width + extents.x_bearing;
break;
}
cairo_move_to (renderer->cr, x, y);
cairo_show_text (renderer->cr, text);
}
#endif
DIAG_STATE(renderer->cr)
}
/*
* render functions
*/
static void
begin_render(DiaRenderer *self)
{
DiaCairoRenderer *renderer = DIA_CAIRO_RENDERER (self);
if (renderer->surface)
renderer->cr = cairo_create (renderer->surface);
else
g_assert (renderer->cr);
cairo_scale (renderer->cr, renderer->scale, renderer->scale);
cairo_translate (renderer->cr, -renderer->dia->extents.left, -renderer->dia->extents.top);
/* clear background */
if (renderer->with_alpha)
{
cairo_set_operator (renderer->cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba (renderer->cr,
renderer->dia->bg_color.red,
renderer->dia->bg_color.green,
renderer->dia->bg_color.blue,
0.0);
}
else
{
cairo_set_source_rgba (renderer->cr,
renderer->dia->bg_color.red,
renderer->dia->bg_color.green,
renderer->dia->bg_color.blue,
1.0);
}
cairo_paint (renderer->cr);
if (renderer->with_alpha)
{
/* restore to default drawing */
cairo_set_operator (renderer->cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgba (renderer->cr,
renderer->dia->bg_color.red,
renderer->dia->bg_color.green,
renderer->dia->bg_color.blue,
1.0);
}
#ifdef HAVE_PANGOCAIRO_H
if (!renderer->layout)
renderer->layout = pango_cairo_create_layout (renderer->cr);
#endif
cairo_set_fill_rule (renderer->cr, CAIRO_FILL_RULE_EVEN_ODD);
#if 0 /* try to work around bug #341481 - no luck */
{
cairo_font_options_t *fo = cairo_font_options_create ();
cairo_get_font_options (renderer->cr, fo);
/* try to switch off kerning */
cairo_font_options_set_hint_style (fo, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_hint_metrics (fo, CAIRO_HINT_METRICS_OFF);
cairo_set_font_options (renderer->cr, fo);
cairo_font_options_destroy (fo);
#ifdef HAVE_PANGOCAIRO_H
pango_cairo_update_context (renderer->cr, pango_layout_get_context (renderer->layout));
pango_layout_context_changed (renderer->layout);
#endif
}
#endif
DIAG_STATE(renderer->cr)
}
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);
}
void *
fontmng_create(int size, UINT type, const TCHAR *fontface)
{
char buf[256];
_FNTMNG fnt;
FNTMNG fntp;
gchar *fontname_utf8;
int fontalign;
int allocsize;
GdkColormap *cmap;
GdkColor color;
gboolean rv;
if (size < 0) {
size = -size;
}
if (size < 6) {
size = 6;
} else if (size > 128) {
size = 128;
}
g_snprintf(buf, sizeof(buf), "%s %s %s %d",
fontface ? (char *)fontface : fontname,
(type & FDAT_BOLD) ? "bold" : "medium",
(type & FDAT_PROPORTIONAL) ? "" : "",
size);
fontname_utf8 = g_locale_to_utf8(buf, -1, NULL, NULL, NULL);
if (fontname_utf8 == NULL) {
return NULL;
}
fnt.desc = pango_font_description_from_string(fontname_utf8);
g_free(fontname_utf8);
if (fnt.desc == NULL) {
return NULL;
}
cmap = gtk_widget_get_colormap(GTK_WIDGET(main_window));
memset(&color, 0, sizeof(color));
rv = gdk_colormap_alloc_color(cmap, &color, FALSE, FALSE);
if (rv) {
fnt.black_pixel = color.pixel;
} else {
fnt.black_pixel = 0;
}
fnt.layout = gtk_widget_create_pango_layout(main_window, NULL);
pango_layout_set_font_description(fnt.layout, fnt.desc);
pango_layout_context_changed(fnt.layout);
fnt.size = size;
fnt.type = type;
fnt.rect.x = fnt.rect.y = 0;
fnt.rect.width = size + 1;
fnt.rect.height = size + 1;
fontalign = sizeof(_FNTDAT) + (fnt.rect.width * fnt.rect.height);
fontalign = roundup(fontalign, 4);
allocsize = sizeof(_FNTMNG);
allocsize += fontalign;
fnt.backsurf = gdk_pixmap_new(main_window->window,
fnt.rect.width, fnt.rect.height, -1);
fntp = _MALLOC(allocsize, "fontmng");
if (fntp) {
memset(fntp, 0, allocsize);
*fntp = fnt;
} else {
pango_font_description_free(fnt.desc);
}
return fntp;
}
//------------------------------------------------------------------------------
//
// Temperatura
//
//-----------------------------------------------------------------------------
void t_display_rysuj_siatke_temp (T_Display *w)
{
int i_tmp ;
int tmp_pixel ;
int wys = w->canvas->allocation.height ;
char ctmp [16] ;
PangoLayout *etykieta ;
int et_szer, et_wys ;
int label_x, label_y ;
PangoMatrix matrix = PANGO_MATRIX_INIT;
// kolor siatki i opisow
GdkGC *gc = gdk_gc_new (GTK_LAYOUT(w->canvas)->bin_window);
GdkColor color ;
color.red = 0;
color.green = 40000;
color.blue = 0;
gdk_gc_set_rgb_fg_color(gc,&color) ;
// najwyzsza wartosc dzialki
i_tmp = w->temp_max - (w->temp_max % w->temp_step) ;
while (i_tmp >= w->temp_min) {
tmp_pixel = temp_to_pixel_y(i_tmp,w) ;
// rysuj dzialke
gdk_draw_line (GTK_LAYOUT(w->canvas)->bin_window,
//w->canvas->style->fg_gc[GTK_WIDGET_STATE (w->canvas)],
gc,
w->x_pixel_offset,
wys - tmp_pixel,
w->canvas->allocation.width,
wys- tmp_pixel);
if (i_tmp == 0) { // ewentualne pogrubienie, tylko dla 0 stopni
gdk_draw_line (GTK_LAYOUT(w->canvas)->bin_window,
//w->canvas->style->fg_gc[GTK_WIDGET_STATE (w->canvas)],
gc,
w->x_pixel_offset,
wys - tmp_pixel-1,
w->canvas->allocation.width,
wys- tmp_pixel-1);
} ;
// etykieta
snprintf (&(ctmp[0]), 16, "%d", i_tmp) ;
etykieta = gtk_widget_create_pango_layout (w->canvas,ctmp);
pango_context_set_matrix (pango_layout_get_context(etykieta), &matrix);
pango_layout_context_changed(etykieta) ;
pango_layout_get_pixel_size (etykieta, &et_szer, &et_wys) ;
label_x = LABEL_MARGIN ;
label_y = tmp_pixel + (et_wys)/2 ;
gdk_draw_layout (GTK_LAYOUT(w->canvas)->bin_window,
//w->canvas->style->fg_gc[GTK_WIDGET_STATE (w->canvas)],
gc,
label_x, wys-label_y, etykieta) ;
g_object_unref(etykieta) ;
i_tmp -= w->temp_step ;
} ;
g_object_unref(gc) ;
} ;
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% 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;
PixelInfo
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,exception);
(void) ResetImagePage(image,"0x0+0+0");
/*
Format caption.
*/
option=GetImageArtifact(image,"filename");
if (option == (const char *) NULL)
property=InterpretImageProperties(image_info,image,image_info->filename,
exception);
else
if (LocaleNCompare(option,"pango:",6) == 0)
property=InterpretImageProperties(image_info,image,option+6,exception);
else
property=InterpretImageProperties(image_info,image,option,exception);
(void) SetImageProperty(image,"caption",property,exception);
property=DestroyString(property);
caption=ConstantString(GetImageProperty(image,"caption",exception));
/*
Get context.
*/
fontmap=pango_cairo_font_map_new();
pango_cairo_font_map_set_resolution(PANGO_CAIRO_FONT_MAP(fontmap),
image->resolution.x == 0.0 ? 90.0 : image->resolution.x);
font_options=cairo_font_options_create();
option=GetImageArtifact(image,"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=GetImageArtifact(image,"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=GetImageArtifact(image,"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=GetImageArtifact(image,"pango:auto-dir");
if (option != (const char *) NULL)
pango_layout_set_auto_dir(layout,1);
option=GetImageArtifact(image,"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=GetImageArtifact(image,"pango:justify");
if (IfMagickTrue(IsStringTrue(option)))
pango_layout_set_justify(layout,1);
option=GetImageArtifact(image,"pango:single-paragraph");
if (IfMagickTrue(IsStringTrue(option)))
pango_layout_set_single_paragraph_mode(layout,1);
option=GetImageArtifact(image,"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=GetImageArtifact(image,"pango:indent");
if (option != (const char *) NULL)
pango_layout_set_indent(layout,(int) ((StringToLong(option)*
(image->resolution.x == 0.0 ? 90.0 : image->resolution.x)*PANGO_SCALE+36)/
90.0+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=GetImageArtifact(image,"pango:markup");
if ((option != (const char *) NULL) && (IsStringTrue(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_extents(layout,NULL,&extent);
image->columns=(extent.x+extent.width+PANGO_SCALE/2)/PANGO_SCALE+2*page.x;
}
else
{
image->columns-=2*page.x;
pango_layout_set_width(layout,(int) ((PANGO_SCALE*image->columns*
(image->resolution.x == 0.0 ? 90.0 : image->resolution.x)+45.0)/90.0+
0.5));
}
if (image->rows == 0)
{
pango_layout_get_extents(layout,NULL,&extent);
image->rows=(extent.y+extent.height+PANGO_SCALE/2)/PANGO_SCALE+2*page.y;
}
else
{
image->rows-=2*page.y;
pango_layout_set_height(layout,(int) ((PANGO_SCALE*image->rows*
(image->resolution.y == 0.0 ? 90.0 : image->resolution.y)+45.0)/90.0+
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,exception);
p=pixels;
GetPixelInfo(image,&fill_color);
for (y=0; y < (ssize_t) image->rows; y++)
{
register Quantum
*q;
register ssize_t
x;
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
double
gamma;
fill_color.blue=(double) ScaleCharToQuantum(*p++);
fill_color.green=(double) ScaleCharToQuantum(*p++);
fill_color.red=(double) ScaleCharToQuantum(*p++);
fill_color.alpha=(double) ScaleCharToQuantum(*p++);
/*
Disassociate alpha.
*/
gamma=1.0-QuantumScale*fill_color.alpha;
gamma=PerceptibleReciprocal(gamma);
fill_color.blue*=gamma;
fill_color.green*=gamma;
fill_color.red*=gamma;
CompositePixelOver(image,&fill_color,fill_color.alpha,q,(double)
GetPixelAlpha(image,q),q);
q+=GetPixelChannels(image);
}
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 void
on_context_changed(G_GNUC_UNUSED JoyStyle *theme, PangoLayout *layout)
{
pango_layout_context_changed(layout);
}
static Image *ReadCAPTIONImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
char
*caption,
*property;
const char
*option;
DrawInfo
*draw_info;
FT_Bitmap
*canvas;
Image
*image;
PangoAlignment
align;
PangoContext
*context;
PangoFontDescription
*description;
PangoFontMap
*fontmap;
PangoGravity
gravity;
PangoLayout
*layout;
PangoRectangle
extent;
PixelPacket
fill_color;
RectangleInfo
page;
register PixelPacket
*q;
register unsigned char
*p;
ssize_t
y;
/*
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");
/*
Get context.
*/
fontmap=(PangoFontMap *) pango_ft2_font_map_new();
pango_ft2_font_map_set_resolution((PangoFT2FontMap *) fontmap,
image->x_resolution,image->y_resolution);
option=GetImageOption(image_info,"caption:hinting");
pango_ft2_font_map_set_default_substitute((PangoFT2FontMap *) fontmap,
PangoSubstitute,(char *) option,NULL);
context=pango_font_map_create_context(fontmap);
option=GetImageOption(image_info,"caption: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 WestGravity: gravity=PANGO_GRAVITY_WEST; break;
case EastGravity: 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,"caption: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,"caption:auto-dir");
if (option != (const char *) NULL)
pango_layout_set_auto_dir(layout,1);
option=GetImageOption(image_info,"caption: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,"caption:justify");
if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse))
pango_layout_set_justify(layout,1);
option=GetImageOption(image_info,"caption:single-paragraph");
if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse))
pango_layout_set_single_paragraph_mode(layout,1);
option=GetImageOption(image_info,"caption: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,"caption:indent");
if (option != (const char *) NULL)
pango_layout_set_indent(layout,(StringToLong(option)*image->x_resolution*
PANGO_SCALE+36)/72);
switch (draw_info->align)
{
case CenterAlign: align=PANGO_ALIGN_CENTER; break;
case RightAlign: align=PANGO_ALIGN_RIGHT; break;
case LeftAlign:
default: 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);
description=pango_font_description_from_string(draw_info->font ==
(char *) NULL ? "helvetica" : draw_info->font);
pango_font_description_set_size(description,PANGO_SCALE*draw_info->pointsize);
pango_layout_set_font_description(layout,description);
pango_font_description_free(description);
property=InterpretImageProperties(image_info,image,image_info->filename);
(void) SetImageProperty(image,"caption",property);
property=DestroyString(property);
caption=ConstantString(GetImageProperty(image,"caption"));
/*
Render caption.
*/
option=GetImageOption(image_info,"caption:markup");
if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse))
pango_layout_set_markup(layout,caption,-1);
else
pango_layout_set_text(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;
}
else
{
image->columns-=2*page.x;
pango_layout_set_width(layout,(PANGO_SCALE*image->columns*
image->x_resolution+36.0)/72.0);
}
if (image->rows == 0)
{
pango_layout_get_pixel_extents(layout,NULL,&extent);
image->rows=extent.y+extent.height;
}
else
{
image->rows-=2*page.y;
pango_layout_set_height(layout,(PANGO_SCALE*image->rows*
image->y_resolution+36.0)/72.0);
}
/*
Create canvas.
*/
canvas=(FT_Bitmap *) AcquireMagickMemory(sizeof(*canvas));
if (canvas == (FT_Bitmap *) NULL)
{
draw_info=DestroyDrawInfo(draw_info);
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
canvas->width=image->columns;
canvas->pitch=(canvas->width+3) & ~3;
canvas->rows=image->rows;
canvas->buffer=(unsigned char *) AcquireQuantumMemory(canvas->pitch,
canvas->rows*sizeof(*canvas->buffer));
if (canvas->buffer == (unsigned char *) NULL)
{
draw_info=DestroyDrawInfo(draw_info);
canvas=(FT_Bitmap *) RelinquishMagickMemory(canvas);
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
canvas->num_grays=256;
canvas->pixel_mode=ft_pixel_mode_grays;
ResetMagickMemory(canvas->buffer,0x00,canvas->pitch*canvas->rows);
pango_ft2_render_layout(canvas,layout,0,0);
/*
Convert caption to image.
*/
image->columns+=2*page.x;
image->rows+=2*page.y;
if (SetImageBackgroundColor(image) == MagickFalse)
{
draw_info=DestroyDrawInfo(draw_info);
canvas->buffer=(unsigned char *) RelinquishMagickMemory(canvas->buffer);
canvas=(FT_Bitmap *) RelinquishMagickMemory(canvas);
caption=DestroyString(caption);
image=DestroyImageList(image);
return((Image *) NULL);
}
p=canvas->buffer;
for (y=page.y; y < (ssize_t) (image->rows-page.y); y++)
{
register ssize_t
x;
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
q+=page.x;
for (x=page.x; x < (ssize_t) (image->columns-page.x); x++)
{
MagickRealType
fill_opacity;
(void) GetFillColor(draw_info,x,y,&fill_color);
fill_opacity=QuantumRange-(*p)/canvas->num_grays*(QuantumRange-
fill_color.opacity);
if (draw_info->text_antialias == MagickFalse)
fill_opacity=fill_opacity >= 0.5 ? 1.0 : 0.0;
MagickCompositeOver(&fill_color,fill_opacity,q,q->opacity,q);
p++;
q++;
}
for ( ; x < (ssize_t) ((canvas->width+3) & ~3); x++)
p++;
}
/*
Relinquish resources.
*/
draw_info=DestroyDrawInfo(draw_info);
canvas->buffer=(unsigned char *) RelinquishMagickMemory(canvas->buffer);
canvas=(FT_Bitmap *) RelinquishMagickMemory(canvas);
caption=DestroyString(caption);
return(GetFirstImageInList(image));
}
/* 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;
}
int main(int argc, char *argv[])
{
gdImagePtr im;
char *text;
FILE *fp;
int w,h;
int margin_x, margin_y;
gdPangoContext *context;
gdPangoColors default_colors;
PangoContext *pangocontext;
PangoMatrix rotated_matrix = PANGO_MATRIX_INIT;
PangoLayout *layout;
gdPangoInit();
default_colors.fg = gdTrueColorAlpha(0, 255, 255, 0);
default_colors.bg = gdTrueColorAlpha(255, 255, 255, 0);
default_colors.alpha = 0;
/*
text = readFile("russian.txt");
text = readFile("arabic.txt");
text = readFile("hebrew.txt");
text = readFile("german.txt");
text = readFile("english.txt");
text = readFile("japanese.txt");
*/
text = readFile("english.txt");
context = gdPangoCreateContext();
gdPangoSetDpi(context, 96, 96);
gdPangoSetMinimumSize(context, 800, 200);
gdPangoSetDefaultColor(context, &default_colors);
gdPangoSetMarkup(context, text, -1);
free(text);
pangocontext = gdPangoGetPangoContext(context);
layout = gdPangoGetPangoLayout(context);
pango_context_set_base_dir(pangocontext, PANGO_DIRECTION_LTR);
w = gdPangoGetLayoutWidth(context);
h = gdPangoGetLayoutHeight(context);
margin_x = 0;
margin_y = 0;
im = gdImageCreateTrueColor(800, 800);
gdPangoRenderTo(context, im, margin_x, margin_y);
fp = fopen("c.png", "wb");
gdImagePng(im, fp);
fclose(fp);
gdImageDestroy(im);
context->angle = -30;
if (context->angle != 0.0) {
pango_matrix_rotate (&rotated_matrix, context->angle);
pango_context_set_matrix(pangocontext, &rotated_matrix);
pango_layout_set_alignment(layout, PANGO_ALIGN_RIGHT);
pango_layout_context_changed (layout);
context->matrix = &rotated_matrix;
}
/* Render to a new image, sized for a rotated text */
im = gdPangoCreateSurfaceDraw(context);
fp = fopen("d.png", "wb");
gdImagePng(im, fp);
fclose(fp);
gdPangoFreeContext(context);
gdImageDestroy(im);
return 0;
}
static gboolean
do_tests (CallbackData *data)
{
PangoFontDescription *fd;
static const ClutterColor red = { 0xff, 0x00, 0x00, 0xff };
PangoAttrList *attr_list, *attr_list_copy;
PangoAttribute *attr;
/* TEST 1: change the text */
clutter_text_set_text (CLUTTER_TEXT (data->label), "Counter 0");
pango_layout_set_text (data->test_layout, "Counter 0", -1);
g_assert (check_result (data, "Change text", TRUE) == FALSE);
/* TEST 2: change a single character */
clutter_text_set_text (CLUTTER_TEXT (data->label), "Counter 1");
pango_layout_set_text (data->test_layout, "Counter 1", -1);
g_assert (check_result (data, "Change a single character", TRUE) == FALSE);
/* TEST 3: move the label */
clutter_actor_set_position (data->label, 10, 0);
g_assert (check_result (data, "Move the label", FALSE) == FALSE);
/* TEST 4: change the font */
clutter_text_set_font_name (CLUTTER_TEXT (data->label), "Serif 15");
fd = pango_font_description_from_string ("Serif 15");
pango_layout_set_font_description (data->test_layout, fd);
pango_font_description_free (fd);
g_assert (check_result (data, "Change the font", TRUE) == FALSE);
/* TEST 5: change the color */
clutter_text_set_color (CLUTTER_TEXT (data->label), &red);
g_assert (check_result (data, "Change the color", FALSE) == FALSE);
/* TEST 6: change the attributes */
attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
attr->start_index = 0;
attr->end_index = 2;
attr_list = pango_attr_list_new ();
pango_attr_list_insert (attr_list, attr);
attr_list_copy = pango_attr_list_copy (attr_list);
clutter_text_set_attributes (CLUTTER_TEXT (data->label), attr_list);
pango_layout_set_attributes (data->test_layout, attr_list_copy);
pango_attr_list_unref (attr_list_copy);
pango_attr_list_unref (attr_list);
g_assert (check_result (data, "Change the attributes", TRUE) == FALSE);
/* TEST 7: change the text again */
clutter_text_set_attributes (CLUTTER_TEXT (data->label), NULL);
clutter_text_set_text (CLUTTER_TEXT (data->label), long_text);
pango_layout_set_attributes (data->test_layout, NULL);
pango_layout_set_text (data->test_layout, long_text, -1);
g_assert (check_result (data, "Change the text again", TRUE) == FALSE);
/* TEST 8: enable markup */
clutter_text_set_use_markup (CLUTTER_TEXT (data->label), TRUE);
pango_layout_set_markup (data->test_layout, long_text, -1);
g_assert (check_result (data, "Enable markup", TRUE) == FALSE);
/* This part can't be a test because Clutter won't restrict the
width if wrapping and ellipsizing is disabled so the extents will
be different, but we still want to do it for the later tests */
clutter_actor_set_width (data->label, 200);
pango_layout_set_width (data->test_layout, 200 * PANGO_SCALE);
/* Force a redraw so that changing the width won't affect the
results */
force_redraw (data);
/* TEST 9: enable ellipsize */
clutter_text_set_ellipsize (CLUTTER_TEXT (data->label),
PANGO_ELLIPSIZE_END);
pango_layout_set_ellipsize (data->test_layout, PANGO_ELLIPSIZE_END);
g_assert (check_result (data, "Enable ellipsize", TRUE) == FALSE);
clutter_text_set_ellipsize (CLUTTER_TEXT (data->label),
PANGO_ELLIPSIZE_NONE);
pango_layout_set_ellipsize (data->test_layout, PANGO_ELLIPSIZE_NONE);
force_redraw (data);
/* TEST 10: enable line wrap */
clutter_text_set_line_wrap (CLUTTER_TEXT (data->label), TRUE);
pango_layout_set_wrap (data->test_layout, PANGO_WRAP_WORD);
g_assert (check_result (data, "Enable line wrap", TRUE) == FALSE);
/* TEST 11: change wrap mode
* FIXME - broken
*/
clutter_text_set_line_wrap_mode (CLUTTER_TEXT (data->label),
PANGO_WRAP_CHAR);
pango_layout_set_wrap (data->test_layout, PANGO_WRAP_CHAR);
g_assert (check_result (data, "Change wrap mode", TRUE) == FALSE);
/* TEST 12: enable justify */
clutter_text_set_justify (CLUTTER_TEXT (data->label), TRUE);
pango_layout_set_justify (data->test_layout, TRUE);
/* Pango appears to have a bug which means that you can't change the
justification after setting the text but this fixes it.
See http://bugzilla.gnome.org/show_bug.cgi?id=551865 */
pango_layout_context_changed (data->test_layout);
g_assert (check_result (data, "Enable justify", TRUE) == FALSE);
/* TEST 13: change alignment */
clutter_text_set_line_alignment (CLUTTER_TEXT (data->label),
PANGO_ALIGN_RIGHT);
pango_layout_set_alignment (data->test_layout, PANGO_ALIGN_RIGHT);
g_assert (check_result (data, "Change alignment", TRUE) == FALSE);
clutter_main_quit ();
return FALSE;
}