static void
gwy_graph_label_draw_label(GtkWidget *widget)
{
gint winheight, winwidth, windepth, winx, winy;
GwyGraphLabel *label;
PangoLayout *layout;
GdkGC *mygc;
mygc = gdk_gc_new(widget->window);
label = GWY_GRAPH_LABEL(widget);
layout = gtk_widget_create_pango_layout(widget, NULL);
gdk_window_get_geometry(widget->window,
&winx, &winy, &winwidth, &winheight, &windepth);
gwy_graph_label_draw_on_drawable(label, GDK_DRAWABLE(widget->window),
mygc, layout,
0, 0, winwidth, winheight);
g_object_unref(mygc);
g_object_unref(layout);
}
GdkPixbuf*
gwy_graph_export_pixmap(GwyGraph *graph,
G_GNUC_UNUSED gboolean export_title,
G_GNUC_UNUSED gboolean export_axis,
G_GNUC_UNUSED gboolean export_labels)
{
GdkColor color = { 0, 65535, 65535, 65535 };
GdkPixbuf *pixbuf;
GdkColormap *cmap;
GdkGC *gc;
GdkVisual *visual;
GdkPixmap *pixmap;
PangoLayout *layout;
PangoContext *context;
gint width, height, topheight, bottomheight, rightwidth, leftwidth;
gint labelx, labely, labelw, labelh;
width = (GTK_WIDGET(graph))->allocation.width;
height = (GTK_WIDGET(graph))->allocation.height;
topheight = (GTK_WIDGET(graph->axis[GTK_POS_TOP]))->allocation.height;
bottomheight = (GTK_WIDGET(graph->axis[GTK_POS_BOTTOM]))->allocation.height;
leftwidth = (GTK_WIDGET(graph->axis[GTK_POS_LEFT]))->allocation.width;
rightwidth = (GTK_WIDGET(graph->axis[GTK_POS_RIGHT]))->allocation.width;
labelx = (GTK_WIDGET(graph->area->lab))->allocation.x + leftwidth;
labely = (GTK_WIDGET(graph->area->lab))->allocation.y + topheight;
labelw = (GWY_GRAPH_LABEL(graph->area->lab))->reqwidth;
labelh = (GWY_GRAPH_LABEL(graph->area->lab))->reqheight;
visual = gdk_visual_get_best();
cmap = gdk_colormap_new(visual, FALSE);
pixmap = gdk_pixmap_new(NULL, width, height, visual->depth);
gdk_drawable_set_colormap(pixmap, cmap);
gc = gdk_gc_new(pixmap);
gdk_gc_set_colormap(gc, cmap);
gdk_gc_set_rgb_fg_color(gc, &color);
gdk_draw_rectangle(pixmap, gc, TRUE, 0, 0, width, height);
gwy_graph_area_draw_on_drawable(graph->area, pixmap, gc,
leftwidth, topheight,
width - leftwidth - rightwidth,
height - topheight - bottomheight);
/* Draw axes */
gwy_axis_draw_on_drawable(graph->axis[GTK_POS_TOP], pixmap, gc,
leftwidth, 0,
width - leftwidth - rightwidth, topheight);
gwy_axis_draw_on_drawable(graph->axis[GTK_POS_BOTTOM], pixmap, gc,
leftwidth, height - bottomheight,
width - leftwidth - rightwidth, bottomheight);
gwy_axis_draw_on_drawable(graph->axis[GTK_POS_LEFT], pixmap, gc,
0, topheight,
leftwidth, height - topheight - bottomheight);
gwy_axis_draw_on_drawable(graph->axis[GTK_POS_RIGHT], pixmap, gc,
width - rightwidth, topheight,
rightwidth, height - topheight - bottomheight);
context = gdk_pango_context_get_for_screen(gdk_screen_get_default());
pango_context_set_font_description(context, graph->area->lab->font_desc);
layout = pango_layout_new(context);
gwy_graph_label_draw_on_drawable(graph->area->lab, pixmap, gc, layout,
labelx, labely, labelw, labelh);
pixbuf = gdk_pixbuf_get_from_drawable(NULL, pixmap, cmap,
0, 0, 0, 0,
-1, -1);
g_object_unref(pixmap);
g_object_unref(layout);
g_object_unref(context);
g_object_unref(gc);
g_object_unref(cmap);
return pixbuf;
}
