C++ (Cpp) gdk_win32_hdc_release示例

示例#1

文件： xp_theme.c 项目： Aridna/gtk2

void
release_window_dc (XpDCInfo *dc_info)
{
  gdk_win32_hdc_release (dc_info->drawable, dc_info->gc, 0);

  gdk_win32_end_direct_draw_libgtk_only (dc_info->data);
}

示例#2

文件： viewer-win32.c 项目： nihed/magnetism

/* Handle a draw/expose by finding the paragraphs that intersect
 * the region and reexposing them.
 */
void
draw (GtkWidget *layout, GdkRectangle *area)
{
  GList *tmp_list;
  guint height = 0;
  HDC hdc;
  const GdkGCValuesMask mask = GDK_GC_FOREGROUND|GDK_GC_BACKGROUND|GDK_GC_FONT;
  
  gdk_draw_rectangle (GTK_LAYOUT (layout)->bin_window,
		      layout->style->base_gc[layout->state],
		      TRUE,
		      area->x, area->y, 
		      area->width, area->height);
  
  gdk_gc_set_clip_rectangle (layout->style->text_gc[layout->state], area);

  hdc = gdk_win32_hdc_get (GTK_LAYOUT (layout)->bin_window,
			   layout->style->text_gc[GTK_STATE_NORMAL],
			   mask);
  tmp_list = paragraphs;
  while (tmp_list &&
	 height < area->y + area->height + GTK_LAYOUT (layout)->yoffset)
    {
      Paragraph *para = tmp_list->data;
      tmp_list = tmp_list->next;
      
      if (height + para->height >= GTK_LAYOUT (layout)->yoffset + area->y)
	pango_win32_render_layout (hdc, para->layout,
				   0, height - GTK_LAYOUT (layout)->yoffset);
      height += para->height;
    }

  gdk_win32_hdc_release (GTK_LAYOUT (layout)->bin_window,
			 layout->style->text_gc[GTK_STATE_NORMAL],
			 mask);
  gdk_gc_set_clip_rectangle (layout->style->text_gc[layout->state], NULL);

  if (highlight_para)
    xor_char (layout, area, highlight_para, highlight_offset);
}