Duckstation/src/common/image.cpp

39 lines
1.4 KiB
C++
Raw Normal View History

2020-06-30 14:34:22 +00:00
#include "image.h"
#include "log.h"
#include "stb_image.h"
Log_SetChannel(Common::Image);
namespace Common {
bool LoadImageFromFile(Common::RGBA8Image* image, const char* filename)
{
int width, height, file_channels;
u8* pixel_data = stbi_load(filename, &width, &height, &file_channels, 4);
if (!pixel_data)
{
const char* error_reason = stbi_failure_reason();
Log_ErrorPrintf("Failed to load image from '%s': %s", filename, error_reason ? error_reason : "unknown error");
return false;
}
image->SetPixels(static_cast<u32>(width), static_cast<u32>(height), reinterpret_cast<const u32*>(pixel_data));
stbi_image_free(pixel_data);
return true;
}
bool LoadImageFromBuffer(Common::RGBA8Image* image, const void* buffer, std::size_t buffer_size)
{
int width, height, file_channels;
u8* pixel_data = stbi_load_from_memory(static_cast<const stbi_uc*>(buffer), static_cast<int>(buffer_size), &width,
&height, &file_channels, 4);
if (!pixel_data)
{
const char* error_reason = stbi_failure_reason();
Log_ErrorPrintf("Failed to load image from memory: %s", error_reason ? error_reason : "unknown error");
return false;
}
image->SetPixels(static_cast<u32>(width), static_cast<u32>(height), reinterpret_cast<const u32*>(pixel_data));
stbi_image_free(pixel_data);
return true;
}
} // namespace Common