ImageManipulation.h

#pragma once
 
#include <CesiumImage/Library.h>
 
#include <cstddef>
#include <cstdint>
#include <vector>
 
namespace CesiumImage {
 
struct ImageAsset;

struct PixelRectangle {
  int32_t x;

  int32_t y;

  int32_t width;

  int32_t height;
};

class CESIUMIMAGE_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(
      ImageAsset& target,
      const PixelRectangle& targetPixels,
      const ImageAsset& source,
      const PixelRectangle& sourcePixels);

  static std::vector<std::byte> savePng(const ImageAsset& image);

  static void savePng(const ImageAsset& image, std::vector<std::byte>& output);
};
 
} // namespace CesiumImage