sxiv

simple X image viewer
git clone git://git.suckless.org/sxiv
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commit d8114e841c5b5933a655a3ec728cedd37b86d27d
parent 9264a65c192c9678fa4a048fdbb177ebf487c6b9
Author: Bert M√ľnnich <ber.t@posteo.de>
Date:   Wed, 22 Jul 2015 21:08:00 +0200

Thumbnail cache file format depending on existance of alpha layer

Use PNG if image has alpha layer, JPG if not. Fixes issue #209

Diffstat:
Makefile | 2+-
thumbs.c | 12++++++++----
2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile @@ -1,4 +1,4 @@ -VERSION := git-20150518 +VERSION := git-20150722 PREFIX := /usr/local MANPREFIX := $(PREFIX)/share/man diff --git 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) {