ImageManipulation.h

#pragma once
 
#include "Library.h"
 
#include <cstddef>
#include <cstdint>
 
// Forward declarations
namespace CesiumGltf {
struct ImageAsset;
}
 
namespace CesiumGltfContent {
 
struct PixelRectangle {
  int32_t x;
 
  int32_t y;
 
  int32_t width;
 
  int32_t height;
};
 
class CESIUMGLTFCONTENT_API ImageManipulation {
public:
  static void unsafeBlitImage(
      std::byte* pTarget,
      size_t targetRowStride,
      const std::byte* pSource,
      size_t sourceRowStride,
      size_t sourceWidth,
      size_t sourceHeight,
      size_t bytesPerPixel);
 
  static bool blitImage(
      CesiumGltf::ImageAsset& target,
      const PixelRectangle& targetPixels,
      const CesiumGltf::ImageAsset& source,
      const PixelRectangle& sourcePixels);
 
  static std::vector<std::byte> savePng(const CesiumGltf::ImageAsset& image);
 
  static void
  savePng(const CesiumGltf::ImageAsset& image, std::vector<std::byte>& output);
};
 
} // namespace CesiumGltfContent