Bitmap.h

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#pragma once
#include <Ultralight/Defines.h>
#include <Ultralight/RefPtr.h>
#include <Ultralight/Geometry.h>

namespace ultralight {

#pragma pack(push, 1)

enum UExport BitmapFormat {
  kBitmapFormat_A8,

  kBitmapFormat_RGBA8
};

#define GetBytesPerPixel(x) (x == kBitmapFormat_A8? 1 : 4)

class UExport Bitmap : public RefCounted {
 public:
  static Ref<Bitmap> Create();

  static Ref<Bitmap> Create(uint32_t width, uint32_t height, BitmapFormat format);

  static Ref<Bitmap> Create(uint32_t width, uint32_t height, BitmapFormat format,
         uint32_t row_bytes, const void* pixels, size_t size, bool should_copy = true);

  static Ref<Bitmap> Create(const Bitmap& bitmap);

  virtual uint32_t width() const = 0;

  virtual uint32_t height() const = 0;

  virtual IntRect bounds() const = 0;

  virtual BitmapFormat format() const = 0;

  virtual uint32_t bpp() const = 0;

  virtual uint32_t row_bytes() const = 0;

  virtual size_t size() const = 0;

  virtual bool owns_pixels() const = 0;

  virtual void* LockPixels() = 0;

  virtual void UnlockPixels() = 0;

  virtual const void* LockPixels() const = 0;

  virtual void UnlockPixels() const = 0;

  virtual void* raw_pixels() = 0;

  virtual bool IsEmpty() const = 0;

  virtual void Erase() = 0;

  virtual void Set(Ref<Bitmap> bitmap) = 0;

  virtual bool DrawBitmap(IntRect src_rect, IntRect dest_rect,
    Ref<Bitmap> src, bool pad_repeat) = 0;

  virtual bool WritePNG(const char* path) = 0;

protected:
  Bitmap();
  virtual ~Bitmap();
  Bitmap(const Bitmap&);
  void operator=(const Bitmap&);
};

#pragma pack(pop)

}  // namespace ultralight