63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, Haiku, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: GraphicsBuffer.h
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// Author: DarkWyrm <bpmagic@columbus.rr.com>
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//
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// Description: Convenience class for working with graphics buffers
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// Based on concepts from the Anti-Grain Geometry vector gfx library
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//------------------------------------------------------------------------------
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#ifndef GFX_BUFFER_H
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#define GFX_BUFFER_H
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#include <SupportDefs.h>
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class GraphicsBuffer
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{
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public:
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GraphicsBuffer(uint8 *buffer, uint32 width, uint32 height, uint32 rowbytes);
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GraphicsBuffer(const GraphicsBuffer &buffer);
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~GraphicsBuffer();
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void SetTo(uint8 *buffer, uint32 width, uint32 height, uint32 rowbytes);
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void Unset(void);
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uint8 *Bits(void) const { return fBuffer; }
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uint8 *RowAt(uint32 row) { return fRowList[row]; }
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uint32 Width(void) const { return fWidth; }
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uint32 Height(void) const { return fHeight; }
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uint32 BytesPerRow(void) const { return fBytesPerRow; }
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GraphicsBuffer &operator=(const GraphicsBuffer &buf);
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private:
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uint32 fWidth;
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uint32 fHeight;
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uint8 *fBuffer;
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uint8 **fRowList;
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uint32 fBytesPerRow;
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uint32 fMaxHeight;
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};
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#endif
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