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[Summary] No chance of using cairo image surface

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This commit is contained in:
VKamyshniy 2014-11-20 21:04:51 +02:00
parent e85e5e3436
commit c0defccf67
1 changed files with 3 additions and 3 deletions
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6
libs/canvas/canvas.cc
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@ -723,7 +723,7 @@ void
GtkCanvas::on_size_allocate (Gtk::Allocation& a)
{
EventBox::on_size_allocate (a);
#ifdef USE_CAIRO_IMAGE_SURFACE
#ifdef USE_CAIRO_IMAGE_SURFACE_FOR_CANVAS
/* allocate an image surface as large as the canvas itself */
canvas_image.clear ();
canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, a.get_width(), a.get_height());
@ -737,7 +737,7 @@ GtkCanvas::on_size_allocate (Gtk::Allocation& a)
bool
GtkCanvas::on_expose_event (GdkEventExpose* ev)
{
#ifdef USE_CAIRO_IMAGE_SURFACE
#ifdef USE_CAIRO_IMAGE_SURFACE_FOR_CANVAS
if (!canvas_image) {
canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, get_width(), get_height());
}
@ -764,7 +764,7 @@ GtkCanvas::on_expose_event (GdkEventExpose* ev)
render (Rect (ev->area.x, ev->area.y, ev->area.x + ev->area.width, ev->area.y + ev->area.height), draw_context);
#ifdef USE_CAIRO_IMAGE_SURFACE
#ifdef USE_CAIRO_IMAGE_SURFACE_FOR_CANVAS
/* now blit our private surface back to the GDK one */
window_context->rectangle (ev->area.x, ev->area.y, ev->area.width, ev->area.height);