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[gl] Add a shortcut from image to gl in clone_similar.

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This commit is contained in:
Eric Anholt 2009-02-04 13:10:47 -08:00
parent d9d56bb2ed
commit 2ad5c3fc8f
1 changed files with 27 additions and 0 deletions
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27
src/cairo-gl-surface.c
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@ -475,6 +475,33 @@ _cairo_gl_surface_clone_similar (void *abstract_surface,
*clone_offset_y = 0;
*clone_out = cairo_surface_reference (src);
return CAIRO_STATUS_SUCCESS;
} else if (_cairo_surface_is_image (src)) {
cairo_gl_surface_t *clone;
cairo_image_surface_t *image_src = (cairo_image_surface_t *)src;
cairo_status_t status;
clone = (cairo_gl_surface_t *)
_cairo_gl_surface_create_similar (&surface->base, src->content,
width, height);
if (clone == NULL)
return CAIRO_INT_STATUS_UNSUPPORTED;
if (clone->base.status)
return clone->base.status;
status = _cairo_gl_surface_draw_image (clone, image_src,
src_x, src_y,
width, height,
0, 0);
if (status) {
cairo_surface_destroy (&clone->base);
return status;
}
*clone_out = &clone->base;
*clone_offset_x = src_x;
*clone_offset_y = src_y;
return CAIRO_STATUS_SUCCESS;
}