94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
/*
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WDL - membitmap.h
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Copyright (C) 2005 and later Cockos Incorporated
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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This file provides a wrapper around the win32 bitmaps, to allow the callee to easily
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manage a framebuffer. It's mostly deprecated by LICE/, however.
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*/
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#ifndef _WDL_WINMEMBITMAP_H_
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#define _WDL_WINMEMBITMAP_H_
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#ifndef _WIN32
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#include "../swell/swell.h"
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#endif
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class WDL_WinMemBitmap
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{
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public:
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WDL_WinMemBitmap()
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{
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m_w=m_h=-100;
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m_hdc=0;
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#ifdef _WIN32
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m_bm=0; m_oldbm=0;
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#endif
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}
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~WDL_WinMemBitmap()
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{
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#ifdef _WIN32
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if (m_oldbm) SelectObject(m_hdc,m_oldbm);
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if (m_bm) DeleteObject(m_bm);
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if (m_hdc) DeleteDC(m_hdc);
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#else
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if (m_hdc) SWELL_DeleteGfxContext(m_hdc);
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#endif
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}
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int DoSize(HDC compatDC, int w, int h) // returns 1 if it was resized
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{
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if (m_w == w && m_h == h && m_hdc
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#ifdef _WIN32
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&& m_bm
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#endif
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) return 0;
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#ifdef _WIN32
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if (!m_hdc) m_hdc=CreateCompatibleDC(compatDC);
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if (m_oldbm) SelectObject(m_hdc,m_oldbm);
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if (m_bm) DeleteObject(m_bm);
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m_bm=CreateCompatibleBitmap(compatDC,m_w=w,m_h=h);
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m_oldbm=SelectObject(m_hdc,m_bm);
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#else
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if (m_hdc) SWELL_DeleteGfxContext(m_hdc);
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m_hdc=SWELL_CreateMemContext(compatDC,m_w=w,m_h=h);
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#endif
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return 1;
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}
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int GetW() { return m_w; }
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int GetH() { return m_h; }
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HDC GetDC() { return m_hdc; }
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private:
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HDC m_hdc;
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#ifdef _WIN32
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HBITMAP m_bm;
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HGDIOBJ m_oldbm;
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#endif
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int m_w,m_h;
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};
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#endif |