mirror of
https://github.com/RGBCube/serenity
synced 2025-10-15 00:02:21 +00:00
92627154a7
These use nearest neighbor and are computed synchronously on directory load so it's neither fast nor very beautiful. These issues both need work on other parts of the system to fix.
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
#pragma once
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#include "Color.h"
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#include "Rect.h"
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#include "Size.h"
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#include <AK/Retainable.h>
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#include <AK/RetainPtr.h>
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#include <AK/AKString.h>
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#include <SharedBuffer.h>
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class GraphicsBitmap : public Retainable<GraphicsBitmap> {
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public:
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enum class Format { Invalid, RGB32, RGBA32 };
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static Retained<GraphicsBitmap> create(Format, const Size&);
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static Retained<GraphicsBitmap> create_wrapper(Format, const Size&, RGBA32*);
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static RetainPtr<GraphicsBitmap> load_from_file(const String& path);
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static RetainPtr<GraphicsBitmap> load_from_file(Format, const String& path, const Size&);
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static Retained<GraphicsBitmap> create_with_shared_buffer(Format, Retained<SharedBuffer>&&, const Size&);
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~GraphicsBitmap();
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RGBA32* scanline(int y);
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const RGBA32* scanline(int y) const;
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Rect rect() const { return { {}, m_size }; }
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Size size() const { return m_size; }
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int width() const { return m_size.width(); }
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int height() const { return m_size.height(); }
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size_t pitch() const { return m_pitch; }
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int shared_buffer_id() const { return m_shared_buffer ? m_shared_buffer->shared_buffer_id() : -1; }
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bool has_alpha_channel() const { return m_format == Format::RGBA32; }
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Format format() const { return m_format; }
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private:
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GraphicsBitmap(Format, const Size&);
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GraphicsBitmap(Format, const Size&, RGBA32*);
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GraphicsBitmap(Format, Retained<SharedBuffer>&&, const Size&);
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Size m_size;
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RGBA32* m_data { nullptr };
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size_t m_pitch { 0 };
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Format m_format { Format::Invalid };
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bool m_mmaped { false };
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RetainPtr<SharedBuffer> m_shared_buffer;
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};
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inline RGBA32* GraphicsBitmap::scanline(int y)
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{
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return reinterpret_cast<RGBA32*>((((byte*)m_data) + (y * m_pitch)));
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}
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inline const RGBA32* GraphicsBitmap::scanline(int y) const
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{
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return reinterpret_cast<const RGBA32*>((((const byte*)m_data) + (y * m_pitch)));
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}
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