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#pragma once
#include "Color.h"
#include "Rect.h"
#include "Size.h"
#include <AK/Retainable.h>
#include <AK/RetainPtr.h>
#include <AK/AKString.h>
#include <SharedBuffer.h>
class GraphicsBitmap : public Retainable<GraphicsBitmap> {
public:
enum class Format { Invalid, RGB32, RGBA32 };
static Retained<GraphicsBitmap> create(Format, const Size&);
static Retained<GraphicsBitmap> create_wrapper(Format, const Size&, RGBA32*);
static RetainPtr<GraphicsBitmap> load_from_file(const String& path);
static RetainPtr<GraphicsBitmap> load_from_file(Format, const String& path, const Size&);
static Retained<GraphicsBitmap> create_with_shared_buffer(Format, Retained<SharedBuffer>&&, const Size&);
~GraphicsBitmap();
RGBA32* scanline(int y);
const RGBA32* scanline(int y) const;
Rect rect() const { return { {}, m_size }; }
Size size() const { return m_size; }
int width() const { return m_size.width(); }
int height() const { return m_size.height(); }
size_t pitch() const { return m_pitch; }
int shared_buffer_id() const { return m_shared_buffer ? m_shared_buffer->shared_buffer_id() : -1; }
bool has_alpha_channel() const { return m_format == Format::RGBA32; }
private:
GraphicsBitmap(Format, const Size&);
GraphicsBitmap(Format, const Size&, RGBA32*);
GraphicsBitmap(Format, Retained<SharedBuffer>&&, const Size&);
Size m_size;
RGBA32* m_data { nullptr };
size_t m_pitch { 0 };
Format m_format { Format::Invalid };
bool m_mmaped { false };
RetainPtr<SharedBuffer> m_shared_buffer;
};
inline RGBA32* GraphicsBitmap::scanline(int y)
{
return reinterpret_cast<RGBA32*>((((byte*)m_data) + (y * m_pitch)));
}
inline const RGBA32* GraphicsBitmap::scanline(int y) const
{
return reinterpret_cast<const RGBA32*>((((const byte*)m_data) + (y * m_pitch)));
}
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