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add png_internal, YAZE_LIB_PNG definition

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scawful
2024-08-13 00:30:14 -04:00
parent d94735baf5
commit feaee62462
2 changed files with 9 additions and 2 deletions
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8
src/app/gfx/bitmap.cc
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@@ -24,6 +24,8 @@ namespace gfx {
using core::SDL_Surface_Deleter;
using core::SDL_Texture_Deleter;
#if YAZE_LIB_PNG == 1
namespace png_internal {
void PngWriteCallback(png_structp png_ptr, png_bytep data, png_size_t length) {
@@ -70,7 +72,7 @@ bool ConvertSurfaceToPNG(SDL_Surface *surface, std::vector<uint8_t> &buffer) {
return false;
}
png_set_write_fn(png_ptr, &buffer, PngWriteCallback, NULL);
png_set_write_fn(png_ptr, &buffer, png_internal::PngWriteCallback, NULL);
png_colorp pal_ptr;
@@ -142,7 +144,7 @@ void ConvertPngToSurface(const std::vector<uint8_t> &png_data,
}
// Set our custom read function
png_set_read_fn(png_ptr, &data, PngReadCallback);
png_set_read_fn(png_ptr, &data, png_internal::PngReadCallback);
// Read the PNG info
png_read_info(png_ptr, info_ptr);
@@ -185,6 +187,8 @@ void ConvertPngToSurface(const std::vector<uint8_t> &png_data,
SDL_Log("Successfully created SDL_Surface from PNG data");
}
#endif // YAZE_LIB_PNG
namespace {
void GrayscalePalette(SDL_Palette *palette) {