void pango_render_text_shadow(cairo_t *context, PangoLayout *layout)
{
cairo_push_group(context);
cairo_new_path(context);
cairo_move_to(context, 15.0+8.0, 10.0+8.0);
pango_cairo_layout_path(context, layout);
cairo_set_line_width(context, 6.0);
cairo_set_miter_limit(context, 2.0);
cairo_set_source_rgb(context, 0.0, 0.0, 0.0);
cairo_stroke_preserve(context);
cairo_fill(context);
cairo_pop_group_to_source(context);
cairo_paint_with_alpha(context, 0.6);
cairo_new_path(context);
cairo_move_to(context, 15.0, 10.0);
pango_cairo_layout_path(context, layout);
cairo_set_line_width(context, 6.0);
cairo_set_miter_limit(context, 2.0);
cairo_set_source_rgb(context, 0.0, 0.3, 0.9);
cairo_stroke_preserve(context);
cairo_set_source_rgb(context, 0.9, 0.1, 0.8);
cairo_fill(context);
}
void ZDrawSongInfo(IDirectFB *dfb, IDirectFBSurface *dfbsurface, const gchar *title, const gchar *artist,
gint w, gint h, DFBColor *color, DFBColor *strokeColor, double strokeWidth, const PangoFontDescription *desc)
{
cairo_t *cr = NULL;
cairo_surface_t *surface = NULL;
cairo_surface_t *cairosurface = NULL;
PangoLayout *layout = NULL;
if(!dfb || !dfbsurface)
return;
/* prepare layout */
layout = pango_layout_new(gdk_pango_context_get());
pango_layout_set_single_paragraph_mode (layout, TRUE);
pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
pango_layout_set_width(layout, w* PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
cr = cairo_create(surface);
/* Draw title */
if(title) {
pango_layout_set_text(layout, title, -1);
cairo_move_to(cr, 0, 0);
pango_cairo_layout_path(cr, layout);
ZCairoSetDFBColor(cr, strokeColor);
cairo_set_line_width(cr, strokeWidth);
cairo_stroke_preserve(cr);
ZCairoSetDFBColor(cr, color);
cairo_fill(cr);
}
/* Draw artist */
if(artist) {
pango_layout_set_text(layout, artist, -1);
cairo_move_to(cr, 0, h/2);
pango_cairo_layout_path(cr, layout);
ZCairoSetDFBColor(cr, strokeColor);
cairo_set_line_width(cr, strokeWidth);
cairo_stroke_preserve(cr);
ZCairoSetDFBColor(cr, color);
cairo_fill(cr);
}
g_object_unref(layout);
cairo_destroy(cr);
/* Draw cairo_surface to dfbsurface */
/* create surface */
cairosurface = cairo_directfb_surface_create(dfb, dfbsurface);
cr = cairo_create(cairosurface);
cairo_set_source_surface(cr, surface, 0, 0);
cairo_paint(cr);
cairo_destroy(cr);
cairo_surface_destroy(surface);
cairo_surface_destroy(cairosurface);
}
void ZCairoDrawLyric(cairo_t *cr, gboolean isUpLine,
gint space, gint w, gint h,
DFBColor *bgColor, const gchar *text, gint fullWidth,
DFBColor *color1, DFBColor *strokeColor1, double strokeWidth1,
DFBColor *color2, DFBColor *strokeColor2, double strokeWidth2,
const PangoFontDescription *desc)
{
PangoLayout *layout = NULL;
gint x, y;
/* Prepare layout */
layout = pango_layout_new(gdk_pango_context_get());
pango_layout_set_single_paragraph_mode (layout, TRUE);
pango_layout_set_alignment(layout, isUpLine ? PANGO_ALIGN_LEFT : PANGO_ALIGN_RIGHT);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, text, -1);
/* Clear background */
cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
cairo_paint(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
/* Draw background */
if(bgColor) {
ZCairoSetDFBColor(cr, bgColor);
cairo_paint(cr);
}
/* Draw original text */
x = isUpLine ? space : w - fullWidth - space;
y = 0;
cairo_move_to(cr, x, y);
pango_cairo_layout_path(cr, layout);
ZCairoSetDFBColor(cr, strokeColor1);
cairo_set_line_width(cr, strokeWidth1);
cairo_stroke_preserve(cr);
ZCairoSetDFBColor(cr, color1);
cairo_fill(cr);
/* Draw effect text */
y = h/2;
cairo_move_to(cr, x, y);
pango_cairo_layout_path(cr, layout);
ZCairoSetDFBColor(cr, strokeColor2);
cairo_set_line_width(cr, strokeWidth2);
cairo_stroke_preserve(cr);
ZCairoSetDFBColor(cr, color2);
cairo_fill(cr);
g_object_unref(layout);
}
/* Draws a rounded rectangle with text inside. */
static gboolean
numbers_draw_cb (GtkWidget *widget, cairo_t *ctx, gpointer data)
{
double x, y, w, h;
PangoLayout * layout;
gint font_size = gtk_widget_get_font_size (widget);
#if (INDICATOR_MESSAGES_HAS_LOZENGE == 1)
gboolean is_lozenge = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), "is-lozenge"));
/* let the label handle the drawing if it's not a lozenge */
if (!is_lozenge)
return FALSE;
#endif
if (!GTK_IS_WIDGET (widget)) return FALSE;
/* get style + arrow position / dimensions */
double red, green, blue;
GtkStyleContext *style = gtk_widget_get_style_context (widget);
GdkRGBA color;
gtk_style_context_get_color (style, gtk_widget_get_state(widget), &color);
red = color.red;
green = color.green;
blue = color.blue;
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
w = allocation.width;
h = allocation.height;
x = y = 0;
layout = gtk_label_get_layout (GTK_LABEL(widget));
PangoRectangle layout_extents;
pango_layout_get_extents (layout, NULL, &layout_extents);
pango_extents_to_pixels (&layout_extents, NULL);
if (layout_extents.width == 0)
return TRUE;
cairo_set_line_width (ctx, 1.0);
cairo_set_fill_rule (ctx, CAIRO_FILL_RULE_EVEN_ODD);
/* cairo drawing code */
custom_cairo_rounded_rectangle (ctx, x - font_size/2.0, y, w + font_size, h);
cairo_set_source_rgba (ctx, red,
green,
blue, 0.5);
x += (allocation.width - layout_extents.width) / 2.0;
y += (allocation.height - layout_extents.height) / 2.0;
cairo_move_to (ctx, floor (x), floor (y));
pango_cairo_layout_path (ctx, layout);
cairo_fill (ctx);
return TRUE;
}
void
ol_osd_render_paint_text (OlOsdRenderContext *context,
cairo_t *cr,
const char *text,
double xpos,
double ypos)
{
ol_assert (context != NULL);
ol_assert (cr != NULL);
ol_assert (text != NULL);
ol_osd_render_set_text (context, text);
int width, height;
xpos += context->outline_width / 2.0 + context->blur_radius;
ypos += context->outline_width / 2.0 + context->blur_radius;
pango_layout_get_pixel_size (context->pango_layout, &width, &height);
/* draws the outline of the text */
cairo_move_to (cr, xpos, ypos);
cairo_save (cr);
pango_cairo_layout_path(cr, context->pango_layout);
cairo_set_source_rgb (cr, ol_color_black.r, ol_color_black.g, ol_color_black.b);
if (context->outline_width > 0)
{
cairo_set_line_width (cr, context->outline_width);
if (context->blur_radius > 1e-4)
{
cairo_stroke_preserve (cr);
cairo_fill (cr);
ol_gussian_blur (cairo_get_target (cr), context->blur_radius);
}
else
{
cairo_stroke (cr);
}
}
cairo_restore (cr);
cairo_save (cr);
cairo_new_path (cr);
/* creates the linear pattern */
cairo_pattern_t *pattern = cairo_pattern_create_linear (xpos, ypos, xpos, ypos + height);
int i;
for (i = 0; i < OL_LINEAR_COLOR_COUNT; i++)
{
cairo_pattern_add_color_stop_rgb(pattern,
context->linear_pos[i],
context->linear_colors[i].r,
context->linear_colors[i].g,
context->linear_colors[i].b);
}
cairo_set_source (cr, pattern);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
/* draws the text */
cairo_move_to (cr, xpos, ypos);
pango_cairo_show_layout (cr, context->pango_layout);
cairo_pattern_destroy (pattern);
cairo_restore (cr);
}
void pango_render_text_simple(cairo_t *context, PangoLayout *layout)
{
cairo_new_path(context);
cairo_move_to(context, 15.0, 10.0);
pango_cairo_layout_path(context, layout);
cairo_set_source_rgb(context, 0.9, 0.1, 0.8);
cairo_fill(context);
}
PP_Bool
ppb_browser_font_trusted_draw_text_at(PP_Resource font, PP_Resource image_data,
const struct PP_BrowserFont_Trusted_TextRun *text,
const struct PP_Point *position, uint32_t color,
const struct PP_Rect *clip, PP_Bool image_data_is_opaque)
{
(void)image_data_is_opaque; // TODO: is it worth implementing?
struct pp_browser_font_s *bf = pp_resource_acquire(font, PP_RESOURCE_BROWSER_FONT);
if (!bf)
return PP_FALSE;
struct pp_image_data_s *id = pp_resource_acquire(image_data, PP_RESOURCE_IMAGE_DATA);
if (!id) {
pp_resource_release(font);
return PP_FALSE;
}
cairo_t *cr = cairo_create(id->cairo_surf);
if (clip) {
cairo_rectangle(cr, clip->point.x, clip->point.y, clip->size.width, clip->size.height);
cairo_clip(cr);
}
PangoFontMetrics *m = pango_font_get_metrics(bf->font, NULL);
int32_t ascent = pango_font_metrics_get_ascent(m) / PANGO_SCALE;
cairo_surface_mark_dirty(id->cairo_surf);
if (position)
cairo_move_to(cr, position->x, position->y - ascent);
else
cairo_move_to(cr, 0, 0);
pango_font_metrics_unref(m);
cairo_set_source_rgba(cr, ((color >> 16) & 0xffu) / 255.0,
((color >> 8) & 0xffu) / 255.0,
((color >> 0) & 0xffu) / 255.0,
((color >> 24) & 0xffu) / 255.0);
PangoLayout *layout = pango_cairo_create_layout(cr);
uint32_t len = 0;
const char *s = "";
if (text->text.type == PP_VARTYPE_STRING)
s = ppb_var_var_to_utf8(text->text, &len);
// TODO: factor into rtl direction
pango_layout_set_font_description(layout, bf->font_desc);
pango_layout_set_text(layout, s, len);
pango_cairo_layout_path(cr, layout);
cairo_fill(cr);
g_object_unref(layout);
cairo_surface_flush(id->cairo_surf);
cairo_destroy(cr);
pp_resource_release(font);
pp_resource_release(image_data);
return PP_FALSE;
}
void GuiSolidLabelElementRenderer::Render(Rect bounds)
{
if(cairoContext)
{
cairo_save(cairoContext);
Color color = element->GetColor();
FontProperties font = element->GetFont();
cairo_set_source_rgba(cairoContext,
1.0 * color.r / 255,
1.0 * color.g / 255,
1.0 * color.b / 255,
1.0 * color.a / 255
);
if(element->GetWrapLine()) pango_layout_set_width(layout, bounds.Width() * PANGO_SCALE);
pango_cairo_update_layout(cairoContext, layout);
int layoutWidth, layoutHeight;
int plotX1, plotY1;
pango_layout_get_pixel_size( layout, &layoutWidth, &layoutHeight);
switch(element->GetHorizontalAlignment())
{
case Alignment::Left:
plotX1 = bounds.x1;
break;
case Alignment::Center:
plotX1 = bounds.x1 + (bounds.Width() - layoutWidth) / 2;
break;
case Alignment::Right:
plotX1 = bounds.x1 + (bounds.Width() - layoutWidth);
break;
}
switch(element->GetVerticalAlignment())
{
case Alignment::Top:
plotY1 = bounds.y1;
break;
case Alignment::Center:
plotY1 = bounds.y1 + (bounds.Height() - layoutHeight) / 2;
break;
case Alignment::Bottom:
plotY1 = bounds.y1 + (bounds.Height() - layoutHeight);
break;
}
cairo_move_to(cairoContext, plotX1, plotY1);
pango_cairo_layout_path(cairoContext, layout);
cairo_fill(cairoContext);
cairo_restore(cairoContext);
}
}
static void
draw_page (GtkPrintOperation *operation,
GtkPrintContext *context,
int page_nr)
{
cairo_t *cr;
PangoLayout *layout;
PangoFontDescription *desc;
cr = gtk_print_context_get_cairo_context (context);
/* Draw a red rectangle, as wide as the paper (inside the margins) */
cairo_set_source_rgb (cr, 1.0, 0, 0);
cairo_rectangle (cr, 0, 0, gtk_print_context_get_width (context), 50);
cairo_fill (cr);
/* Draw some lines */
cairo_move_to (cr, 20, 10);
cairo_line_to (cr, 40, 20);
cairo_arc (cr, 60, 60, 20, 0, G_PI);
cairo_line_to (cr, 80, 20);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_set_line_width (cr, 5);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
cairo_stroke (cr);
/* Draw some text */
layout = gtk_print_context_create_pango_layout (context);
pango_layout_set_text (layout, "Hello World! Printing is easy", -1);
desc = pango_font_description_from_string ("sans 28");
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
cairo_move_to (cr, 30, 20);
pango_cairo_layout_path (cr, layout);
/* Font Outline */
cairo_set_source_rgb (cr, 0.93, 1.0, 0.47);
cairo_set_line_width (cr, 0.5);
cairo_stroke_preserve (cr);
/* Font Fill */
cairo_set_source_rgb (cr, 0, 0.0, 1.0);
cairo_fill (cr);
g_object_unref (layout);
}
void
TextAsset::drawText(cairo_t* cairoContext,
const std::string& textString,
const Rect& rect,
PangoFontDescription* inFontDescription,
bool outlineEnabled)
{
cairo_move_to(cairoContext, rect.x, rect.y);
PangoLayout* layout = pango_cairo_create_layout(cairoContext);
// Kerning
PangoAttrList* attr_list = pango_attr_list_new();
PangoAttribute* spacing_attr = pango_attr_letter_spacing_new(pango_units_from_double(_kern));
pango_attr_list_insert(attr_list, spacing_attr);
pango_layout_set_attributes(layout, attr_list);
pango_cairo_context_set_resolution(pango_layout_get_context(layout), DISPLAY_RESOLUTION);
pango_layout_set_text(layout, textString.c_str(), textString.length());
pango_layout_set_font_description(layout, inFontDescription);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_width(layout, pango_units_from_double(rect.size.width + WIDTH_PADDING));
pango_layout_set_height(layout, pango_units_from_double(rect.size.height + HEIGHT_PADDING));
pango_layout_set_alignment(layout, _alignment);
applyLeading(cairoContext, layout, inFontDescription);
pango_cairo_show_layout(cairoContext, layout);
// Core Text defines positive outline width values as stroke only
if (_outlineThickness <= 0.0f) {
cairo_fill_preserve(cairoContext);
}
// Outline
if (outlineEnabled && _outlineThickness != 0.0f) {
const float outlineThickness = (fabsf(_outlineThickness) / 100.0f) * _fontSize * CLIENT_TO_SERVER_SCALE;
cairo_set_source_rgba(cairoContext,
_outlineColor.red,
_outlineColor.green,
_outlineColor.blue,
_outlineColor.alpha);
pango_cairo_layout_path(cairoContext, layout);
cairo_set_line_width(cairoContext, outlineThickness);
cairo_stroke(cairoContext);
} else {
cairo_new_path(cairoContext);
}
g_object_unref(layout);
}
static void br_cairo_draw_tooltip(duc_graph *g, double x, double y, char *text)
{
struct cairo_backend_data *bd = g->backend_data;
cairo_t *cr = bd->cr;
char font[32];
snprintf(font, sizeof font, "Arial, Sans, %d", FONT_SIZE_TOOLTIP);
PangoLayout *layout = pango_cairo_create_layout(cr);
PangoFontDescription *desc = pango_font_description_from_string(font);
pango_layout_set_text(layout, text, -1);
pango_layout_set_font_description(layout, desc);
pango_font_description_free(desc);
pango_cairo_update_layout(cr, layout);
int w,h;
pango_layout_get_size(layout, &w, &h);
w /= PANGO_SCALE;
h /= PANGO_SCALE;
/* shadow box */
int i;
for(i=1; i<3; i++) {
cairo_rectangle(cr, x - w - 10 + i, y - h - 10 + i, w + 10 + i, h + 10 + i);
cairo_set_source_rgba(cr, 0, 0, 0, 0.25);
cairo_fill(cr);
}
/* tooltip box */
cairo_rectangle(cr, x - w - 10 + 0.5, y - h - 10 + 0.5, w + 10, h + 10);
cairo_set_source_rgba(cr, 1, 1, 1, 1);
cairo_fill_preserve(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_stroke(cr);
/* black text */
cairo_move_to(cr, x - w - 5, y - h - 5);
pango_cairo_layout_path(cr, layout);
g_object_unref(layout);
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_set_line_width(cr, 1);
cairo_fill(cr);
}
void pango_render_text_border(cairo_t *context, PangoLayout *layout)
{
cairo_new_path(context);
cairo_move_to(context, 15.0, 10.0);
pango_cairo_layout_path(context, layout);
cairo_set_line_width(context, 6.0);
cairo_set_miter_limit(context, 2.0);
cairo_set_source_rgb(context, 0.0, 0.3, 0.9);
cairo_stroke_preserve(context);
cairo_set_source_rgb(context, 0.9, 0.1, 0.8);
cairo_fill(context);
}
void rendertext(cairo_t *cr) {
PangoLayout *layout;
layout = pango_cairo_create_layout(cr);
pangotext(layout);
cairo_new_path(cr);
cairo_move_to(cr,0,0);
cairo_set_line_width(cr,0.5);
cairo_set_source_rgb(cr,0.0,0.0,1.0);
pango_cairo_layout_path(cr,layout);
cairo_stroke_preserve(cr);
g_object_unref(layout);
}
static void annotation_txt(MF2UI *ui, RobTkDial * d, cairo_t *cr, const char *txt) {
int tw, th;
cairo_save(cr);
PangoLayout * pl = pango_cairo_create_layout(cr);
pango_layout_set_font_description(pl, ui->font[1]);
pango_layout_set_text(pl, txt, -1);
pango_layout_get_pixel_size(pl, &tw, &th);
cairo_translate (cr, d->w_cx, d->w_height);
cairo_translate (cr, -tw/2.0 - 0.5, -th);
cairo_set_source_rgba (cr, .0, .0, .0, .7);
rounded_rectangle(cr, -1, -1, tw+3, th+1, 3);
cairo_fill(cr);
CairoSetSouerceRGBA(c_wht);
pango_cairo_layout_path(cr, pl);
cairo_fill(cr);
g_object_unref(pl);
cairo_restore(cr);
cairo_new_path(cr);
}
// Apply the labels to the map.
void
simplet_lithograph_apply(simplet_lithograph_t *litho, simplet_list_t *styles){
simplet_listiter_t *iter = simplet_get_list_iter(litho->placements);
placement_t *placement;
cairo_save(litho->ctx);
while((placement = (placement_t *) simplet_list_next(iter))){
if(placement->placed == TRUE) continue;
cairo_move_to(litho->ctx, placement->bounds->nw.x, placement->bounds->se.y);
// Draw the placement
pango_cairo_layout_path(litho->ctx, placement->layout);
placement->placed = TRUE;
}
simplet_apply_styles(litho->ctx, styles, "text-stroke-weight", "text-stroke-color", "color", NULL);
// Apply and draw various outline options.
cairo_restore(litho->ctx);
}
static PyObject *
pango_LayoutPath(PyObject *self, PyObject *args) {
PycairoContext *context;
cairo_t *ctx;
void *LayoutObj;
PangoLayout *layout;
if (!PyArg_ParseTuple(args, "OO", &context, &LayoutObj)) {
return NULL;
}
ctx = context->ctx;
layout = PyCObject_AsVoidPtr(LayoutObj);
pango_cairo_layout_path(ctx, layout);
Py_INCREF(Py_None);
return Py_None;
}
static void img_write_text(cairo_t* cr,
const char *txt, const char *font,
float x, float y, float ang)
{
int tw, th;
cairo_save(cr);
PangoLayout * pl = pango_cairo_create_layout(cr);
PangoFontDescription *desc = pango_font_description_from_string(font);
pango_layout_set_font_description(pl, desc);
pango_font_description_free(desc);
pango_layout_set_text(pl, txt, -1);
pango_layout_get_pixel_size(pl, &tw, &th);
cairo_translate (cr, x, y);
cairo_rotate (cr, ang);
cairo_translate (cr, -tw/2.0, -th/2.0);
pango_cairo_layout_path(cr, pl);
cairo_fill(cr);
g_object_unref(pl);
cairo_restore(cr);
cairo_new_path (cr);
}
static void br_cairo_draw_text(duc_graph *g, double x, double y, double size, char *text)
{
struct cairo_backend_data *bd = g->backend_data;
cairo_t *cr = bd->cr;
char font[32];
snprintf(font, sizeof font, "Arial, Sans, %.0f", size);
PangoLayout *layout = pango_cairo_create_layout(cr);
PangoFontDescription *desc = pango_font_description_from_string(font);
pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
pango_layout_set_text(layout, text, -1);
pango_layout_set_font_description(layout, desc);
pango_font_description_free(desc);
pango_cairo_update_layout(cr, layout);
int w,h;
pango_layout_get_size(layout, &w, &h);
x -= ((double)w / PANGO_SCALE / 2);
y -= ((double)h / PANGO_SCALE / 2);
cairo_move_to(cr, x, y);
pango_cairo_layout_path(cr, layout);
g_object_unref(layout);
/* light grey background */
cairo_set_line_join (cr, CAIRO_LINE_JOIN_BEVEL);
cairo_set_source_rgba(cr, 1, 1, 1, 0.6);
cairo_set_line_width(cr, 3);
cairo_stroke_preserve(cr);
/* black text */
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_set_line_width(cr, 1);
cairo_fill(cr);
}
void draw_password_mask(void) {
cairo_t *cr = cairo_create(lualock.pw_surface);
cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
cairo_paint(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
draw_password_field(cr);
PangoLayout *layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, lualock.style.font_desc);
cairo_set_source_rgba(cr, lualock.style.r, lualock.style.g,
lualock.style.b, lualock.style.a);
cairo_move_to(cr, lualock.style.off_x, lualock.style.off_y);
gchar *password_mask = get_password_mask();
pango_layout_set_text(layout, password_mask, -1);
free(password_mask);
pango_cairo_update_layout(cr, layout);
pango_cairo_layout_path(cr, layout);
cairo_fill(cr);
g_object_unref(layout);
cairo_destroy(cr);
}
static void
rsvg_cairo_clip_render_pango_layout (RsvgDrawingCtx * ctx, PangoLayout * layout, double x, double y)
{
RsvgCairoClipRender *render = RSVG_CAIRO_CLIP_RENDER (ctx->render);
RsvgCairoRender *cairo_render = &render->super;
cairo_matrix_t affine;
PangoGravity gravity = pango_context_get_gravity (pango_layout_get_context (layout));
double rotation;
affine = ctx->state->affine;
rsvg_cairo_clip_apply_affine (render, &affine);
rotation = pango_gravity_to_rotation (gravity);
cairo_save (cairo_render->cr);
cairo_move_to (cairo_render->cr, x, y);
if (rotation != 0.)
cairo_rotate (cairo_render->cr, -rotation);
pango_cairo_update_layout (cairo_render->cr, layout);
pango_cairo_layout_path (cairo_render->cr, layout);
cairo_restore (cairo_render->cr);
}
void *dt_control_expose(void *voidptr)
{
int width, height, pointerx, pointery;
if(!darktable.gui->surface) return NULL;
width = dt_cairo_image_surface_get_width(darktable.gui->surface);
height = dt_cairo_image_surface_get_height(darktable.gui->surface);
GtkWidget *widget = dt_ui_center(darktable.gui->ui);
GdkDevice *device
= gdk_device_manager_get_client_pointer(gdk_display_get_device_manager(gtk_widget_get_display(widget)));
gdk_window_get_device_position(gtk_widget_get_window(widget), device, &pointerx, &pointery, NULL);
// create a gtk-independent surface to draw on
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
// TODO: control_expose: only redraw the part not overlapped by temporary control panel show!
//
float tb = 8; // fmaxf(10, width/100.0);
darktable.control->tabborder = tb;
darktable.control->width = width;
darktable.control->height = height;
GdkRGBA color;
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gboolean color_found = gtk_style_context_lookup_color (context, "bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_set_line_width(cr, tb);
cairo_rectangle(cr, tb / 2., tb / 2., width - tb, height - tb);
cairo_stroke(cr);
cairo_set_line_width(cr, 1.5);
color_found = gtk_style_context_lookup_color (context, "really_dark_bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_rectangle(cr, tb, tb, width - 2 * tb, height - 2 * tb);
cairo_stroke(cr);
cairo_save(cr);
cairo_translate(cr, tb, tb);
cairo_rectangle(cr, 0, 0, width - 2 * tb, height - 2 * tb);
cairo_clip(cr);
cairo_new_path(cr);
// draw view
dt_view_manager_expose(darktable.view_manager, cr, width - 2 * tb, height - 2 * tb, pointerx - tb,
pointery - tb);
cairo_restore(cr);
// draw log message, if any
dt_pthread_mutex_lock(&darktable.control->log_mutex);
if(darktable.control->log_ack != darktable.control->log_pos)
{
PangoRectangle ink;
PangoLayout *layout;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
const float fontsize = DT_PIXEL_APPLY_DPI(14);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, darktable.control->log_message[darktable.control->log_ack], -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
const float pad = DT_PIXEL_APPLY_DPI(20.0f), xc = width / 2.0;
const float yc = height * 0.85 + DT_PIXEL_APPLY_DPI(10), wd = pad + ink.width * .5f;
float rad = DT_PIXEL_APPLY_DPI(14);
cairo_set_line_width(cr, 1.);
cairo_move_to(cr, xc - wd, yc + rad);
for(int k = 0; k < 5; k++)
{
cairo_arc(cr, xc - wd, yc, rad, M_PI / 2.0, 3.0 / 2.0 * M_PI);
cairo_line_to(cr, xc + wd, yc - rad);
cairo_arc(cr, xc + wd, yc, rad, 3.0 * M_PI / 2.0, M_PI / 2.0);
cairo_line_to(cr, xc - wd, yc + rad);
if(k == 0)
{
color_found = gtk_style_context_lookup_color (context, "selected_bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_fill_preserve(cr);
}
cairo_set_source_rgba(cr, 0., 0., 0., 1.0 / (1 + k));
cairo_stroke(cr);
rad += .5f;
}
color_found = gtk_style_context_lookup_color (context, "fg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_move_to(cr, xc - wd + .5f * pad, (yc + 1. / 3. * fontsize) - fontsize);
pango_cairo_show_layout(cr, layout);
pango_font_description_free(desc);
g_object_unref(layout);
}
// draw busy indicator
if(darktable.control->log_busy > 0)
{
PangoRectangle ink;
PangoLayout *layout;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
const float fontsize = DT_PIXEL_APPLY_DPI(14);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, _("working.."), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
const float xc = width / 2.0, yc = height * 0.85 - DT_PIXEL_APPLY_DPI(30), wd = ink.width * .5f;
cairo_move_to(cr, xc - wd, yc + 1. / 3. * fontsize - fontsize);
pango_cairo_layout_path(cr, layout);
cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
cairo_fill_preserve(cr);
cairo_set_line_width(cr, 0.7);
cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
cairo_stroke(cr);
pango_font_description_free(desc);
g_object_unref(layout);
}
dt_pthread_mutex_unlock(&darktable.control->log_mutex);
cairo_destroy(cr);
cairo_t *cr_pixmap = cairo_create(darktable.gui->surface);
cairo_set_source_surface(cr_pixmap, cst, 0, 0);
cairo_paint(cr_pixmap);
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
return NULL;
}
static gboolean _lib_histogram_draw_callback(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_lib_module_t *self = (dt_lib_module_t *)user_data;
dt_lib_histogram_t *d = (dt_lib_histogram_t *)self->data;
dt_develop_t *dev = darktable.develop;
uint32_t *hist = dev->histogram;
float hist_max = dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR ? dev->histogram_max
: logf(1.0 + dev->histogram_max);
const int inset = DT_HIST_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);
gtk_render_background(gtk_widget_get_style_context(widget), cr, 0, 0, allocation.width, allocation.height);
cairo_translate(cr, 4 * inset, inset);
width -= 2 * 4 * inset;
height -= 2 * inset;
if(d->mode_x == 0)
{
d->color_w = 0.06 * width;
d->button_spacing = 0.01 * width;
d->button_h = 0.06 * width;
d->button_y = d->button_spacing;
d->mode_w = d->color_w;
d->mode_x = width - 3 * (d->color_w + d->button_spacing) - (d->mode_w + d->button_spacing);
d->red_x = width - 3 * (d->color_w + d->button_spacing);
d->green_x = width - 2 * (d->color_w + d->button_spacing);
d->blue_x = width - (d->color_w + d->button_spacing);
}
// TODO: probably this should move to the configure-event callback! That would be future proof if we ever
// (again) allow to resize the side panels.
const gint stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
// this code assumes that the first expose comes before the first (preview) pipe is processed and that the
// size of the widget doesn't change!
if(dev->histogram_waveform_width == 0)
{
dev->histogram_waveform = (uint32_t *)calloc(height * stride / 4, sizeof(uint32_t));
dev->histogram_waveform_stride = stride;
dev->histogram_waveform_height = height;
dev->histogram_waveform_width = width;
// return TRUE; // there are enough expose events following ...
}
#if 1
// draw shadow around
float alpha = 1.0f;
cairo_set_line_width(cr, 0.2);
for(int k = 0; k < inset; k++)
{
cairo_rectangle(cr, -k, -k, width + 2 * k, height + 2 * k);
cairo_set_source_rgba(cr, 0, 0, 0, alpha);
alpha *= 0.5f;
cairo_fill(cr);
}
cairo_set_line_width(cr, 1.0);
#else
cairo_set_line_width(cr, 1.0);
cairo_set_source_rgb(cr, .1, .1, .1);
cairo_rectangle(cr, 0, 0, width, height);
cairo_stroke(cr);
#endif
cairo_rectangle(cr, 0, 0, width, height);
cairo_clip(cr);
cairo_set_source_rgb(cr, .3, .3, .3);
cairo_rectangle(cr, 0, 0, width, height);
cairo_fill(cr);
if(d->highlight == 1)
{
cairo_set_source_rgb(cr, .5, .5, .5);
cairo_rectangle(cr, 0, 0, .2 * width, height);
cairo_fill(cr);
}
else if(d->highlight == 2)
{
cairo_set_source_rgb(cr, .5, .5, .5);
cairo_rectangle(cr, 0.2 * width, 0, width, height);
cairo_fill(cr);
}
// draw grid
cairo_set_line_width(cr, .4);
cairo_set_source_rgb(cr, .1, .1, .1);
if(dev->histogram_type == DT_DEV_HISTOGRAM_WAVEFORM)
dt_draw_waveform_lines(cr, 0, 0, width, height);
else
dt_draw_grid(cr, 4, 0, 0, width, height);
if(hist_max > 0.0f)
{
cairo_save(cr);
if(dev->histogram_type == DT_DEV_HISTOGRAM_WAVEFORM)
{
// make the color channel selector work:
uint8_t *buf = (uint8_t *)malloc(sizeof(uint8_t) * height * stride);
uint8_t mask[3] = { d->blue, d->green, d->red };
memcpy(buf, dev->histogram_waveform, sizeof(uint8_t) * height * stride);
for(int y = 0; y < height; y++)
for(int x = 0; x < width; x++)
for(int k = 0; k < 3; k++)
{
buf[y * stride + x * 4 + k] *= mask[k];
}
cairo_surface_t *source
= cairo_image_surface_create_for_data(buf, CAIRO_FORMAT_ARGB32, width, height, stride);
cairo_set_source_surface(cr, source, 0.0, 0.0);
cairo_set_operator(cr, CAIRO_OPERATOR_ADD);
cairo_paint(cr);
cairo_surface_destroy(source);
free(buf);
}
else
{
// cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
cairo_translate(cr, 0, height);
cairo_scale(cr, width / 63.0, -(height - 10) / hist_max);
cairo_set_operator(cr, CAIRO_OPERATOR_ADD);
// cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_set_line_width(cr, 1.);
if(d->red)
{
cairo_set_source_rgba(cr, 1., 0., 0., 0.2);
dt_draw_histogram_8(cr, hist, 0, dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR);
}
if(d->green)
{
cairo_set_source_rgba(cr, 0., 1., 0., 0.2);
dt_draw_histogram_8(cr, hist, 1, dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR);
}
if(d->blue)
{
cairo_set_source_rgba(cr, 0., 0., 1., 0.2);
dt_draw_histogram_8(cr, hist, 2, dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR);
}
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
// cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT);
}
cairo_restore(cr);
}
cairo_set_source_rgb(cr, .25, .25, .25);
cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
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, .1 * height * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
char exifline[50];
dt_image_print_exif(&dev->image_storage, exifline, 50);
pango_layout_set_text(layout, exifline, -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .02 * width, .98 * height - ink.height - ink.y);
cairo_save(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0));
cairo_set_source_rgba(cr, 1, 1, 1, 0.3);
pango_cairo_layout_path(cr, layout);
cairo_stroke_preserve(cr);
cairo_set_source_rgb(cr, .25, .25, .25);
cairo_fill(cr);
cairo_restore(cr);
// buttons to control the display of the histogram: linear/log, r, g, b
if(d->highlight != 0)
{
_draw_mode_toggle(cr, d->mode_x, d->button_y, d->mode_w, d->button_h, dev->histogram_type);
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.4);
_draw_color_toggle(cr, d->red_x, d->button_y, d->color_w, d->button_h, d->red);
cairo_set_source_rgba(cr, 0.0, 1.0, 0.0, 0.4);
_draw_color_toggle(cr, d->green_x, d->button_y, d->color_w, d->button_h, d->green);
cairo_set_source_rgba(cr, 0.0, 0.0, 1.0, 0.4);
_draw_color_toggle(cr, d->blue_x, d->button_y, d->color_w, d->button_h, d->blue);
}
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
pango_font_description_free(desc);
g_object_unref(layout);
return TRUE;
}
void render_glyph(
cairo_t* cr,
PangoFontDescription* font_desc,
PangoFont* font,
const guint code_point,
const size_t cell_x,
const size_t cell_y,
const size_t cell_size,
const double tex_size,
const int ascent,
const int descent,
std::ostream& bgm_out
)
{
PangoLayout *layout = pango_cairo_create_layout(cr);
char str[6] = {'\0'};
size_t len = 0;
oglplus::aux::ConvertCodePointToUTF8(code_point, str, len);
pango_layout_set_font_description(layout, font_desc);
pango_layout_set_text(layout, str, len);
const int baseline = pango_layout_get_baseline(layout);
const double inv_ps = 1.0 / double(PANGO_SCALE);
const double font_size = ascent+descent;
PangoRectangle ink_rect, log_rect;
pango_layout_get_extents(
layout,
&ink_rect,
&log_rect
);
// code point number
bgm_out << code_point << std::endl;
// hex representation of the number
bgm_out << std::hex
<< "0x"
<< code_point
<< std::dec
<< std::endl;
// the utf-8 sequence
bgm_out << "'" << str << "'" << std::endl;
//
// vertex[0] logical rectangle metrics
//
// Left bearing (x)
bgm_out << PANGO_LBEARING(log_rect)/font_size << std::endl;
// Right bearing (x+width)
bgm_out << PANGO_RBEARING(log_rect)/font_size << std::endl;
// Ascent
bgm_out << (baseline-log_rect.y)/font_size << std::endl;
// Descent
bgm_out << (log_rect.height+log_rect.y-baseline)/font_size << std::endl;
//
// vertex[1] ink rectangle metrics
//
// Left bearing (x)
bgm_out << PANGO_LBEARING(ink_rect)/font_size << std::endl;
// Right bearing (x+width)
bgm_out << PANGO_RBEARING(ink_rect)/font_size << std::endl;
// Ascent
bgm_out << (baseline-ink_rect.y)/font_size << std::endl;
// Descent
bgm_out << (ink_rect.y+ink_rect.height-baseline)/font_size << std::endl;
//
// vertex[2] texture coordinates
//
// Origin X
bgm_out << (cell_x*cell_size+ink_rect.x*inv_ps)/tex_size << std::endl;
// Origin Y
bgm_out << 1.0-(cell_y*cell_size+baseline*inv_ps)/tex_size << std::endl;
// Width
bgm_out << ((ink_rect.width)*inv_ps)/tex_size << std::endl;
// Height
bgm_out << ((ink_rect.height)*inv_ps)/tex_size << std::endl;
// separating newline
bgm_out << std::endl;
cairo_new_path(cr);
cairo_move_to(cr, cell_x*cell_size, cell_y*cell_size);
cairo_set_line_width(cr, 0.5);
pango_cairo_update_layout(cr, layout);
pango_cairo_layout_path(cr, layout);
cairo_fill(cr);
g_object_unref(layout);
}
static gboolean
video_area_draw_cb (GtkWidget *widget,
cairo_t *cr,
gpointer user_data)
{
GthMediaViewerPage *self = user_data;
GtkAllocation allocation;
GtkStyleContext *style_context;
if (self->priv->xwin_assigned && self->priv->has_video)
return FALSE;
gtk_widget_get_allocation (widget, &allocation);
style_context = gtk_widget_get_style_context (widget);
if (self->priv->icon == NULL) {
char *type;
GIcon *icon;
int size;
type = NULL;
if (self->priv->file_data != NULL)
type = g_content_type_from_mime_type (gth_file_data_get_mime_type (self->priv->file_data));
if (type == NULL)
type = g_content_type_from_mime_type ("text/plain");
icon = g_content_type_get_icon (type);
size = allocation.width;
if (size > allocation.height)
size = allocation.height;
size = size / 3;
self->priv->icon = _g_icon_get_pixbuf (icon, size, _gtk_widget_get_icon_theme (widget));
g_object_unref (icon);
g_free (type);
}
cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
cairo_fill (cr);
if (self->priv->icon != NULL) {
int icon_w, icon_h;
int text_w;
int icon_x, icon_y;
PangoRectangle logical_rect;
int x, y;
PangoFontDescription *font;
icon_w = gdk_pixbuf_get_width (self->priv->icon);
icon_h = gdk_pixbuf_get_height (self->priv->icon);
text_w = (icon_w * 3 / 2);
pango_layout_set_width (self->priv->caption_layout, PANGO_SCALE * text_w);
pango_layout_get_extents (self->priv->caption_layout, NULL, &logical_rect);
icon_x = (allocation.width - icon_w) / 2;
x = (allocation.width - text_w) / 2;
icon_y = (allocation.height - (icon_h + PANGO_PIXELS (logical_rect.height))) / 2;
y = icon_y + icon_h;
gdk_cairo_set_source_pixbuf (cr, self->priv->icon, icon_x, icon_y);
cairo_rectangle (cr, icon_x, icon_y, icon_w, icon_h);
cairo_fill (cr);
cairo_move_to (cr, x, y);
gtk_style_context_get (style_context, gtk_widget_get_state_flags (widget), "font", &font, NULL);
pango_layout_set_font_description (self->priv->caption_layout, font);
pango_cairo_layout_path (cr, self->priv->caption_layout);
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
cairo_fill (cr);
}
return TRUE;
}
static void write_text_full (
cairo_t* cr,
const char *txt,
PangoFontDescription *font,
const float x, const float y,
const float ang, const int align,
const float * const col) {
int tw, th;
cairo_save(cr);
PangoLayout * pl = pango_cairo_create_layout(cr);
pango_layout_set_font_description(pl, font);
if (strncmp(txt, "<markup>", 8)) {
pango_layout_set_text(pl, txt, -1);
} else {
pango_layout_set_markup(pl, txt, -1);
}
pango_layout_get_pixel_size(pl, &tw, &th);
cairo_translate (cr, rintf(x), rintf(y));
if (ang != 0) { cairo_rotate (cr, ang); }
switch(abs(align)) {
case 1:
cairo_translate (cr, -tw, ceil(th/-2.0));
pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
break;
case 2:
cairo_translate (cr, ceil(tw/-2.0), ceil(th/-2.0));
pango_layout_set_alignment (pl, PANGO_ALIGN_CENTER);
break;
case 3:
cairo_translate (cr, 0, ceil(th/-2.0));
pango_layout_set_alignment (pl, PANGO_ALIGN_LEFT);
break;
case 4:
cairo_translate (cr, -tw, -th);
pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
break;
case 5:
cairo_translate (cr, ceil(tw/-2.0), -th);
pango_layout_set_alignment (pl, PANGO_ALIGN_CENTER);
break;
case 6:
cairo_translate (cr, 0, -th);
pango_layout_set_alignment (pl, PANGO_ALIGN_LEFT);
break;
case 7:
cairo_translate (cr, -tw, 0);
pango_layout_set_alignment (pl, PANGO_ALIGN_RIGHT);
break;
case 8:
cairo_translate (cr, ceil(tw/-2.0), 0);
pango_layout_set_alignment (pl, PANGO_ALIGN_CENTER);
break;
case 9:
cairo_translate (cr, 0, 0);
pango_layout_set_alignment (pl, PANGO_ALIGN_LEFT);
break;
default:
break;
}
if (align < 0) {
cairo_set_source_rgba (cr, .0, .0, .0, .5);
cairo_rectangle (cr, 0, 0, tw, th);
cairo_fill (cr);
}
#if 1
cairo_set_source_rgba (cr, col[0], col[1], col[2], col[3]);
pango_cairo_show_layout(cr, pl);
#else
cairo_set_source_rgba (cr, col[0], col[1], col[2], col[3]);
pango_cairo_layout_path(cr, pl);
cairo_fill(cr);
#endif
g_object_unref(pl);
cairo_restore(cr);
cairo_new_path (cr);
}
gboolean ly_3lrc_desktop_on_expose_cb (GtkWidget * widget, cairo_t *cr, gpointer data)
{
gchar desktop_font[1024]="Sans Regular 25";
ly_reg_get("3lrc_desktop_font", "%1024[^\n]", desktop_font);
gchar path[1024];
g_snprintf(path,sizeof(path),"%sicon/null.png",LY_GLB_PROG_UIXDIR);
if(!desktop_bg)
desktop_bg=cairo_image_surface_create_from_png(path);
cairo_set_source_surface(cr, desktop_bg, 0, 0);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(cr);
int width;
int height;
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
int x=0;
int y=height;
//鼠标进入
if(flag_notify)
{
//填充圆角矩形拖动区域
cairo_set_source_rgba(cr,0,0,0,0.3);
cairo_move_to (cr, 0 + 5, 0);
cairo_line_to (cr, 0 + width - 5, 0);
cairo_move_to (cr, 0 + width, 0 + 5);
cairo_line_to (cr, 0 + width, 0 + height - 5);
cairo_move_to (cr, 0 + width - 5, 0 + height);
cairo_line_to (cr, 0 + 5, 0 + height);
cairo_move_to (cr, 0, 0 + height - 5);
cairo_line_to (cr, 0, 0 + 5);
cairo_arc (cr, 0 + 5, 0 + 5, 5, M_PI, 3 * M_PI / 2.0);
cairo_arc (cr, 0 + width - 5, 0 + 5, 5, 3 * M_PI / 2, 2 * M_PI);
cairo_arc (cr, 0 + width - 5, 0 + height - 5, 5, 0, M_PI / 2);
cairo_arc (cr, 0 + 5, 0 + height - 5, 5, M_PI / 2, M_PI);
cairo_fill(cr);
}
if(ly_lrc_get_length()>0)
{
//计算占空比
gint64 t1=0;
gint64 t2=0;
LyMdhMetadata *md=NULL;
md=ly_pqm_get_current_md();
if(!md)
return FALSE;
if(ly_lrc_get_index()+1<ly_lrc_get_length())
t1=(ly_lrc_get_array()[ly_lrc_get_index()+1])->time-(ly_lrc_get_array()[ly_lrc_get_index()])->time;
else
t1=ly_mdh_time_str2int(md->duration)-ly_mdh_time_str2int(md->start)-(ly_lrc_get_array()[ly_lrc_get_index()])->time;
t2=ly_aud_get_position_abs()-ly_mdh_time_str2int(md->start)-(ly_lrc_get_array()[ly_lrc_get_index()])->time;
if(t1!=0)
{
x=(int)((t2/(gdouble)t1)*pos_layout[X]);
}
//画歌词
cairo_set_source_rgb(cr,0,0,0);
//确定起始点
if((x>=width/2)&&(pos_layout[X]>width)&&(width<(pos_layout[X]-x)*2))
{
cairo_move_to(cr, 0-(x-width/2), 5);
x=width/2;
}
else if((x>=width/2)&&(pos_layout[X]>width)&&(width>=(pos_layout[X]-x)*2))
cairo_move_to(cr, 0-(pos_layout[X]-width), 5);
else
cairo_move_to(cr, 0, 5);
PangoLayout *layout;
PangoFontDescription *desc;
layout = pango_cairo_create_layout (cr);
pango_layout_set_text(layout, ly_lrc_get_array()[ly_lrc_get_index()]->text, -1);
desc = pango_font_description_from_string (desktop_font);
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
pango_layout_get_size(layout,&pos_layout[X],&pos_layout[Y]);
pos_layout[X]=pos_layout[X]/1000;
pango_cairo_update_layout (cr, layout);
pango_cairo_layout_path (cr, layout);
cairo_clip(cr);
g_object_unref (layout);
//画背景条
cairo_pattern_t *pat;
pat = cairo_pattern_create_linear (0, 0,10.0, 150);
cairo_pattern_add_color_stop_rgb (pat, 0.1, 65535/65535.0, 10449/65535.0, 0/65535.0);
cairo_pattern_add_color_stop_rgb (pat, 0.5, 65535/65535.0, 61062/65535.0, 0/65535.0);
cairo_pattern_add_color_stop_rgb (pat, 0.9, 65535/65535.0, 10449/65535.0, 0/65535.0);
//画矩形
if((x>=width/2)&&(pos_layout[X]>width)&&(width<(pos_layout[X]-x)*2))
cairo_rectangle (cr, 0, 0, width/2, y);
else if((x>=width/2)&&(pos_layout[X]>width)&&(width>=(pos_layout[X]-x)*2))
cairo_rectangle (cr, 0, 0, width-(pos_layout[X]-x), y);
else
cairo_rectangle (cr, 0, 0, x, y);
cairo_set_source (cr, pat);
cairo_fill(cr);
cairo_pattern_destroy (pat);
pat = cairo_pattern_create_linear (0, 0,10.0, 150);
cairo_pattern_add_color_stop_rgb (pat, 0.1, 19532/65535.0, 65535/65535.0, 65535/65535.0);
cairo_pattern_add_color_stop_rgb (pat, 0.5, 5539/65535.0, 0/65535.0, 65535/65535.0);
cairo_pattern_add_color_stop_rgb (pat, 0.9, 19532/65535.0, 65535/65535.0, 65535/65535.0);
//画矩形
if((x>=width/2)&&(pos_layout[X]>width)&&(width<(pos_layout[X]-x)*2))
cairo_rectangle (cr, width/2, 0, width-(width/2), y);
else if((x>=width/2)&&(pos_layout[X]>width)&&(width>=(pos_layout[X]-x)*2))
cairo_rectangle (cr, width-(pos_layout[X]-x), 0, pos_layout[X]-x, y);
else
cairo_rectangle (cr, x, 0, width-x, y);
cairo_set_source (cr, pat);
cairo_fill(cr);
cairo_pattern_destroy (pat);
}
int lrc_desktop=1;
int lrc_desktop_fix=0;
if(!ly_reg_get("3lrc_desktop_state", "%d:%d", &lrc_desktop, &lrc_desktop_fix))
{
ly_reg_set("3lrc_desktop_state", "%d:%d", lrc_desktop, lrc_desktop_fix);
}
if(lrc_desktop_fix>0)
gtk_widget_set_sensitive(widget,FALSE);
else
gtk_widget_set_sensitive(widget,TRUE);
cairo_region_t *region;
if(!(lrc_desktop_fix))
{
cairo_rectangle_int_t rect;
rect.x=rect.y=0;
rect.width=width;
rect.height=height;
region=cairo_region_create_rectangle(&rect);
}
else
{
region=cairo_region_create();
}
gdk_window_input_shape_combine_region (gtk_widget_get_window(widget), region, 0, 0);
cairo_region_destroy (region);
return FALSE;
}
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 GdkPixbuf *
create_gallery (ThumbApp *app)
{
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 = app->duration;
/* 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) {
if (pos == stream_length)
screenshot = capture_frame_at_time (app, pos - 1);
else
screenshot = capture_frame_at_time (app, 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 = xplayer_time_to_string (stream_length);
filename = NULL;
if (strstr (app->input, "://")) {
char *local;
local = g_filename_from_uri (app->input, NULL, NULL);
filename = g_path_get_basename (local);
g_free (local);
}
if (filename == NULL)
filename = g_path_get_basename (app->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_markup_printf_escaped (_("<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 = xplayer_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 void
draw_str(struct gra2cairo_local *local, int draw, char *str, struct fontmap *font, int size, int space, int *fw, int *ah, int *dh)
{
PangoAttribute *attr;
PangoAttrList *alist;
PangoLayoutIter *piter;
int w, h, baseline;
if (size == 0 || str == NULL) {
if (fw)
*fw = 0;
if (ah)
*ah = 0;
if (dh)
*dh = 0;
return;
}
if (local->layout == NULL) {
local->layout = pango_cairo_create_layout(local->cairo);
}
alist = pango_attr_list_new();
attr = pango_attr_size_new_absolute(mxd2ph(local, size) * PANGO_SCALE);
pango_attr_list_insert(alist, attr);
attr = pango_attr_letter_spacing_new(mxd2ph(local, space) * PANGO_SCALE);
pango_attr_list_insert(alist, attr);
pango_layout_set_font_description(local->layout, font->font);
pango_layout_set_attributes(local->layout, alist);
pango_attr_list_unref(alist);
pango_layout_set_text(local->layout, str, -1);
pango_layout_get_pixel_size(local->layout, &w, &h);
piter = pango_layout_get_iter(local->layout);
baseline = pango_layout_iter_get_baseline(piter) / PANGO_SCALE;
if (fw)
*fw = w;
if (ah)
*ah = baseline;
if (dh)
*dh = h - baseline;
if (draw && str) {
double x, y;
double cx, cy;
x = - local->fontsin * baseline;
y = - local->fontcos * baseline;
cairo_get_current_point(local->cairo, &cx, &cy);
relative_move(local->cairo, x, y);
cairo_save(local->cairo);
cairo_rotate(local->cairo, -local->fontdir * G_PI / 180.);
pango_cairo_update_layout(local->cairo, local->layout);
if (local->text2path) {
pango_cairo_layout_path(local->cairo, local->layout);
cairo_fill(local->cairo);
cairo_restore(local->cairo);
cairo_move_to(local->cairo, cx + w * local->fontcos, cy - w * local->fontsin);
} else {
pango_cairo_show_layout(local->cairo, local->layout);
cairo_restore(local->cairo);
relative_move(local->cairo, w * local->fontcos - x, - w * local->fontsin - y);
}
}
pango_layout_iter_free(piter);
}
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;
}