From d8114e841c5b5933a655a3ec728cedd37b86d27d Mon Sep 17 00:00:00 2001 From: Bert Münnich Date: Wed, 22 Jul 2015 21:08:00 +0200 Subject: Thumbnail cache file format depending on existance of alpha layer Use PNG if image has alpha layer, JPG if not. Fixes issue #209 --- thumbs.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'thumbs.c') diff --git a/thumbs.c b/thumbs.c index 209c94b..3c18c27 100644 --- a/thumbs.c +++ b/thumbs.c @@ -48,9 +48,9 @@ char* tns_cache_filepath(const char *filepath) if (strncmp(filepath, cache_dir, strlen(cache_dir)) != 0) { /* don't cache images inside the cache directory! */ - len = strlen(cache_dir) + strlen(filepath) + 6; + len = strlen(cache_dir) + strlen(filepath) + 2; cfile = (char*) s_malloc(len); - snprintf(cfile, len, "%s/%s.jpg", cache_dir, filepath + 1); + snprintf(cfile, len, "%s/%s", cache_dir, filepath + 1); } return cfile; } @@ -101,8 +101,12 @@ void tns_cache_write(Imlib_Image im, const char *filepath, bool force) } if (err == 0) { imlib_context_set_image(im); - imlib_image_set_format("jpg"); - imlib_image_attach_data_value("quality", NULL, 90, NULL); + if (imlib_image_has_alpha()) { + imlib_image_set_format("png"); + } else { + imlib_image_set_format("jpg"); + imlib_image_attach_data_value("quality", NULL, 90, NULL); + } imlib_save_image_with_error_return(cfile, &err); } if (err == 0) { -- cgit v1.2.3-54-g00ecf