From 0c1d1e6c30e8f11834d401b46bdc2018a4e942d9 Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Tue, 8 Jan 2013 15:34:33 +0000 Subject: Alpha-over images on a black background when in RGB display mode This is actually a bit arbitrary decision and mainly it preserves compatibility with how images were displaying in previous releases. In fact, we actually would need to think about configurable backdrop color and blending mode to be used for display in RGB mode. --- source/blender/editors/space_image/image_draw.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'source/blender/editors/space_image') diff --git a/source/blender/editors/space_image/image_draw.c b/source/blender/editors/space_image/image_draw.c index 0534b9f4ffd..7b4814d1ab2 100644 --- a/source/blender/editors/space_image/image_draw.c +++ b/source/blender/editors/space_image/image_draw.c @@ -514,11 +514,15 @@ static void draw_image_buffer(const bContext *C, SpaceImage *sima, ARegion *ar, unsigned char *display_buffer; void *cache_handle; + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + if (sima->flag & SI_USE_ALPHA) { fdrawcheckerboard(x, y, x + ibuf->x * zoomx, y + ibuf->y * zoomy); - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + else { + glColor4f(0.0f, 0.0f, 0.0f, 1.0f); + glRecti(x, y, x + ibuf->x * zoomx, y + ibuf->y * zoomy); } display_buffer = IMB_display_buffer_acquire_ctx(C, ibuf, &cache_handle); @@ -532,8 +536,7 @@ static void draw_image_buffer(const bContext *C, SpaceImage *sima, ARegion *ar, IMB_display_buffer_release(cache_handle); - if (sima->flag & SI_USE_ALPHA) - glDisable(GL_BLEND); + glDisable(GL_BLEND); } /* reset zoom */ -- cgit v1.2.3