C++ (Cpp) gtk_image_get_pixmapの例

コード例 #1

ファイル: awn-image.c プロジェクト: Sprezzatech/avant-window-navigator

static gboolean
awn_image_expose (GtkWidget *widget, GdkEventExpose *event)
{
  AwnImagePrivate *priv = AWN_IMAGE (widget)->priv;
  GtkImage *image = GTK_IMAGE (widget);
  cairo_t *cr;
  GdkPixbuf *pixbuf = NULL;
  GdkPixmap *pixmap = NULL;

  switch (gtk_image_get_storage_type (GTK_IMAGE (widget)))
  {
    case GTK_IMAGE_EMPTY:
      break;
    case GTK_IMAGE_PIXBUF:
      pixbuf = gtk_image_get_pixbuf (image);
      break;
    case GTK_IMAGE_PIXMAP:
      gtk_image_get_pixmap (image, &pixmap, NULL);
      break;
    default:
      g_warning ("AwnImage doesn't support this storage type");
      return FALSE;
  }

  cr = awn_effects_cairo_create_clipped (priv->effects, event);
  g_return_val_if_fail (cr, FALSE);

  if (pixbuf || pixmap)
  {
    if (pixbuf)
    {
      gdk_cairo_set_source_pixbuf (cr, pixbuf, 0.0, 0.0);
    }
    else if (pixmap)
    {
      gdk_cairo_set_source_pixmap (cr, pixmap, 0.0, 0.0);
    }

    cairo_paint (cr);
  }

  awn_effects_cairo_destroy (priv->effects);

  return TRUE;
}

コード例 #2

ファイル: common-views.c プロジェクト: Mortal/claws

GtkWidget *build_line(gint start_x, gint start_y
        , gint width, gint height, GtkWidget *hour_line, GdkColor *line_color)
{
    GdkColormap *pic1_cmap;
    GdkVisual *pic1_vis;
    GdkPixmap *pic1;
    GdkGC *pic1_gc;
    GtkWidget *new_hour_line;
    gint depth = 16;
    gboolean first = FALSE;

    /*
     * GdkPixbuf *scaled;
    scaled = gdk_pixbuf_scale_simple (pix, w, h, GDK_INTERP_BILINEAR);
    */
     
    pic1_cmap = gdk_colormap_get_system();
    pic1_vis = gdk_colormap_get_visual(pic1_cmap);
    depth = pic1_vis->depth;
    if (hour_line == NULL) {
        pic1 = gdk_pixmap_new(NULL, width, height, depth);
        gdk_drawable_set_colormap(pic1, pic1_cmap);
        first = TRUE;
    }
    else
        gtk_image_get_pixmap(GTK_IMAGE(hour_line), &pic1, NULL);
    pic1_gc = gdk_gc_new(pic1);
    if (first) {
        gdk_gc_set_foreground(pic1_gc, line_color);
        gdk_draw_rectangle(pic1, pic1_gc, TRUE, start_x, start_y, width, height);
    }
    else {
        gdk_draw_rectangle(pic1, pic1_gc, TRUE, start_x, start_y, width, height);
    }
    
    new_hour_line = gtk_image_new_from_pixmap(pic1, NULL);
    g_object_unref(pic1_gc);
    g_object_unref(pic1);
    return(new_hour_line);
}