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gl renderer: Add debug function to dump render node

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This commit is contained in:
Timm Bäder 2019-02-24 09:09:02 +01:00
parent 74ab3cdf75
commit f0624266dc
1 changed files with 24 additions and 0 deletions
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24
gsk/gl/gskglrenderer.c
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@ -141,6 +141,30 @@ dump_framebuffer (const char *filename, int w, int h)
g_free (data);
}
static void G_GNUC_UNUSED
dump_node (GskRenderNode *node,
const char *filename)
{
const int surface_width = ceilf (node->bounds.size.width);
const int surface_height = ceilf (node->bounds.size.height);
cairo_surface_t *surface;
cairo_t *cr;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
surface_width,
surface_height);
cr = cairo_create (surface);
cairo_save (cr);
cairo_translate (cr, -node->bounds.origin.x, -node->bounds.origin.y);
gsk_render_node_draw (node, cr);
cairo_restore (cr);
cairo_destroy (cr);
cairo_surface_write_to_png (surface, filename);
cairo_surface_destroy (surface);
}
static gboolean
font_has_color_glyphs (const PangoFont *font)
{