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authorDoug Zongker <dougz@android.com>2011-03-05 01:28:48 +0100
committerDoug Zongker <dougz@android.com>2011-03-05 02:13:16 +0100
commit68189f2994690538b6e3bddc3788cb092cbda088 (patch)
treea117ef5e2cb4f6b0d380cb444784f73eaffd0403 /minui
parentconvert recovery images to palettized PNGs (diff)
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Diffstat (limited to 'minui')
-rw-r--r--minui/resources.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/minui/resources.c b/minui/resources.c
index 2170dca6a..b437a87cb 100644
--- a/minui/resources.c
+++ b/minui/resources.c
@@ -121,12 +121,17 @@ int res_create_surface(const char* name, gr_surface* pSurface) {
surface->format = (channels == 3) ?
GGL_PIXEL_FORMAT_RGBX_8888 : GGL_PIXEL_FORMAT_RGBA_8888;
+ int alpha = 0;
if (color_type == PNG_COLOR_TYPE_PALETTE) {
- png_set_palette_to_rgb(png_ptr);
+ png_set_palette_to_rgb(png_ptr);
+ }
+ if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
+ png_set_tRNS_to_alpha(png_ptr);
+ alpha = 1;
}
int y;
- if (channels == 3) {
+ if (channels == 3 || (channels == 1 && !alpha)) {
for (y = 0; y < height; ++y) {
unsigned char* pRow = pData + y * stride;
png_read_row(png_ptr, pRow, NULL);