41 lines
889 B
C++
41 lines
889 B
C++
#include "GraphicsBitmap.h"
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#include <AK/kmalloc.h>
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RetainPtr<GraphicsBitmap> GraphicsBitmap::create(const Size& size)
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{
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return adopt(*new GraphicsBitmap(size));
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}
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RetainPtr<GraphicsBitmap> GraphicsBitmap::create_wrapper(const Size& size, byte* data)
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{
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return adopt(*new GraphicsBitmap(size, data));
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}
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GraphicsBitmap::GraphicsBitmap(const Size& size)
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: m_size(size)
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{
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m_data = (byte*)kmalloc(size.width() * size.height() * 4);
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memset(m_data, 0, size.width() * size.height() * 4);
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m_owned = true;
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}
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GraphicsBitmap::GraphicsBitmap(const Size& size, byte* data)
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: m_size(size)
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{
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m_data = data;
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m_owned = false;
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}
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GraphicsBitmap::~GraphicsBitmap()
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{
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if (m_owned)
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kfree(m_data);
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m_data = nullptr;
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}
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dword* GraphicsBitmap::scanline(int y)
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{
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unsigned pitch = m_size.width() * 4;
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return (dword*)(((byte*)m_data) + (y * pitch));
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}
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