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| author | Alexander Larsson <alexl@redhat.com> | 2013-05-02 11:47:06 +0200 |
|---|---|---|
| committer | Alexander Larsson <alexl@redhat.com> | 2013-05-02 19:03:12 +0200 |
| commit | 994a1bc0162dd4974d06121eaef68b746cf9c66a (patch) | |
| tree | 0f52558aa03f183f8e5b3db30b8d3cffd0e78c32 | |
| parent | 1d178b5464b0a1362e593f652a104334d8136967 (diff) | |
| download | gtk+-994a1bc0162dd4974d06121eaef68b746cf9c66a.tar.gz | |
GtkPixelCache: Add debug feature to track redraws
Each time we redraw we tint it in a different color so that
you can see which regions are redrawn.
| -rw-r--r-- | gtk/gtkdebug.h | 3 | ||||
| -rw-r--r-- | gtk/gtkmain.c | 3 | ||||
| -rw-r--r-- | gtk/gtkpixelcache.c | 21 |
3 files changed, 25 insertions, 2 deletions
diff --git a/gtk/gtkdebug.h b/gtk/gtkdebug.h index f9e01e5c18..a82a38c4ef 100644 --- a/gtk/gtkdebug.h +++ b/gtk/gtkdebug.h @@ -48,7 +48,8 @@ typedef enum { GTK_DEBUG_BUILDER = 1 << 11, GTK_DEBUG_SIZE_REQUEST = 1 << 12, GTK_DEBUG_NO_CSS_CACHE = 1 << 13, - GTK_DEBUG_BASELINES = 1 << 14 + GTK_DEBUG_BASELINES = 1 << 14, + GTK_DEBUG_PIXEL_CACHE = 1 << 15 } GtkDebugFlag; #ifdef G_ENABLE_DEBUG diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c index 4a5c7af479..47c5457d4f 100644 --- a/gtk/gtkmain.c +++ b/gtk/gtkmain.c @@ -172,7 +172,8 @@ static const GDebugKey gtk_debug_keys[] = { {"builder", GTK_DEBUG_BUILDER}, {"size-request", GTK_DEBUG_SIZE_REQUEST}, {"no-css-cache", GTK_DEBUG_NO_CSS_CACHE}, - {"baselines", GTK_DEBUG_BASELINES} + {"baselines", GTK_DEBUG_BASELINES}, + {"pixel-cache", GTK_DEBUG_PIXEL_CACHE} }; #endif /* G_ENABLE_DEBUG */ diff --git a/gtk/gtkpixelcache.c b/gtk/gtkpixelcache.c index 1a8630819c..91b9d8fb26 100644 --- a/gtk/gtkpixelcache.c +++ b/gtk/gtkpixelcache.c @@ -17,6 +17,7 @@ #include "config.h" +#include "gtkdebug.h" #include "gtkpixelcacheprivate.h" /* The extra size of the offscreen surface we allocate @@ -289,7 +290,27 @@ _gtk_pixel_cache_repaint (GtkPixelCache *cache, cairo_set_operator (backing_cr, CAIRO_OPERATOR_OVER); + cairo_save (backing_cr); draw (backing_cr, user_data); + cairo_restore (backing_cr); + +#ifdef G_ENABLE_DEBUG + if (gtk_get_debug_flags () & GTK_DEBUG_PIXEL_CACHE) + { + GdkRGBA colors[] = { + { 1, 0, 0, 0.08}, + { 0, 1, 0, 0.08}, + { 0, 0, 1, 0.08}, + { 1, 0, 1, 0.08}, + { 1, 1, 0, 0.08}, + { 0, 1, 1, 0.08}, + }; + static int current_color = 0; + + gdk_cairo_set_source_rgba (backing_cr, &colors[(current_color++) % G_N_ELEMENTS (colors)]); + cairo_paint (backing_cr); + } +#endif cairo_destroy (backing_cr); } |