Mercurial > hg > nginx
changeset 3133:28a6aa24b453
fix alpha-channel transparency in PNG
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 15 Sep 2009 09:47:12 +0000 |
parents | 6cb238e091a9 |
children | e6f5cb5eff8b |
files | src/http/modules/ngx_http_image_filter_module.c |
diffstat | 1 files changed, 10 insertions(+), 0 deletions(-) [+] |
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--- a/src/http/modules/ngx_http_image_filter_module.c Tue Sep 15 09:37:16 2009 +0000 +++ b/src/http/modules/ngx_http_image_filter_module.c Tue Sep 15 09:47:12 2009 +0000 @@ -768,6 +768,11 @@ return NULL; } + if (colors == 0) { + gdImageSaveAlpha(dst, 1); + gdImageAlphaBlending(dst, 0); + } + gdImageCopyResampled(dst, src, 0, 0, 0, 0, dx, dy, sx, sy); gdImageDestroy(src); @@ -810,6 +815,11 @@ "image crop: %d x %d @ %d x %d", dx, dy, ox, oy); + if (colors == 0) { + gdImageSaveAlpha(dst, 1); + gdImageAlphaBlending(dst, 0); + } + gdImageCopy(dst, src, 0, 0, ox, oy, dx - ox, dy - oy); gdImageDestroy(src);