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#include "TextureLoaderQoi.h"
#if defined(WITH_QOI)
#define QOI_IMPLEMENTATION
#define QOI_DECODE_ONLY
#define QOI_NO_STDIO
#include <qoi.h>
using namespace Death::IO;
namespace nCine
{
TextureLoaderQoi::TextureLoaderQoi(std::unique_ptr<Stream> fileHandle)
: ITextureLoader(std::move(fileHandle))
{
if (!fileHandle_->IsValid()) {
return;
}
auto fileSize = fileHandle_->GetSize();
if (fileSize < QOI_HEADER_SIZE || fileSize > 64 * 1024 * 1024) {
// 64 MB file size limit, files are usually smaller than 1MB
return;
}
auto buffer = std::make_unique<char[]>(fileSize);
fileHandle_->Read(buffer.get(), fileSize);
qoi_desc desc = { };
void* data = qoi_decode(buffer.get(), fileSize, &desc, 4);
if (data == nullptr) {
return;
}
int imageSize = desc.width * desc.height * desc.channels;
pixels_ = std::make_unique<GLubyte[]>(imageSize);
// TODO: remove this additional copy
memcpy(pixels_.get(), data, imageSize);
QOI_FREE(data);
width_ = desc.width;
height_ = desc.height;
mipMapCount_ = 1;
texFormat_ = TextureFormat(GL_RGBA8);
hasLoaded_ = true;
}
}
#endif
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