diff options
Diffstat (limited to 'minui')
| -rw-r--r-- | minui/resources.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/minui/resources.c b/minui/resources.c index 3d2c727fb..b437a87cb 100644 --- a/minui/resources.c +++ b/minui/resources.c @@ -49,6 +49,8 @@ int res_create_surface(const char* name, gr_surface* pSurface) { png_structp png_ptr = NULL; png_infop info_ptr = NULL; + *pSurface = NULL; + snprintf(resPath, sizeof(resPath)-1, "/res/images/%s.png", name); resPath[sizeof(resPath)-1] = '\0'; FILE* fp = fopen(resPath, "rb"); @@ -119,12 +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); |