wingapiblt.cpp
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上传日期:2007-06-06
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文件大小:7k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxcom.h"
- #include "hxtypes.h"
- #include "hxwintyp.h"
- #include "wingapiblt.h"
- CGAPIBlt::CGAPIBlt()
- : CWinBlt()
- , m_bxdp(NULL)
- , m_pMemory(NULL)
- {
- memset(&m_gxdp,0,sizeof(m_gxdp));
- }
- CGAPIBlt::~CGAPIBlt()
- {
- DestroySurface(0);
- }
- //----------------------------------------------
- // determine if the gapi interface works on this device
- // and whether we can use it
- BOOL CGAPIBlt::CanCreateSurface()
- {
- if (!GXOpenDisplay(NULL, NULL))
- return false;
- // Get the Display properties
- m_gxdp = GXGetDisplayProperties();
- GXCloseDisplay();
- if (m_gxdp.cBPP != 16 || m_gxdp.cbxPitch != 2)
- return false;
- return true;
- }
- HX_RESULT CGAPIBlt::CreateSurface(int cidIn, int& cidOut,
- int nWidth, int nHeight,
- int nFlags, HWND hWnd,
- int nCountIn, int& nCountOut)
- {
- HRESULT hr = HXR_OK;
- m_hWnd = hWnd;
- if (!m_bxdp)
- {
- //if (GXOpenDisplay(hWnd, GX_FULLSCREEN))
- if (GXOpenDisplay(NULL, NULL))
- {
- // Initialize the Hardware Buttons
- GXOpenInput();
- // Get the Display properties
- m_gxdp = GXGetDisplayProperties();
- if (m_gxdp.cBPP == 16 /*|| m_gxdp.cBPP == 8*/)
- {
- m_nCID = CID_UNKNOWN;
- if (m_gxdp.ffFormat & kfDirect555)
- m_nCID = CID_RGB555;
- if (m_gxdp.ffFormat & kfDirect565)
- m_nCID = CID_RGB565;
- //if (m_gxdp.cBPP == 8)
- // m_nCID = CID_RGB8;
- if (m_nCID == CID_UNKNOWN)
- {
- hr = HXR_FAIL;
- }
- else
- {
- m_nMemoryYPitch = nWidth * m_gxdp.cbxPitch;
- int len = m_nMemoryYPitch*nHeight;
- m_pMemory = (UCHAR *) malloc(len);
- if (NULL == m_pMemory)
- hr = HXR_FAIL;
- else
- m_bxdp = true;
- }
- }
- else
- {
- hr = HXR_FAIL;
- }
- }
- else
- {
- hr = HXR_FAIL;
- }
- }
- return hr;
- }
- HX_RESULT CGAPIBlt::LockSurface(UCHAR** ppDestPtr,
- LONG32* pnDestPitch,
- int& cid,
- REF(HXxSize) dstSize,
- int nIndex)
- {
- // *ppDestPtr = (UCHAR *) GXBeginDraw();
- *ppDestPtr = m_pMemory;
- *pnDestPitch = m_nMemoryYPitch;
- if (m_pMemory)
- return HXR_OK;
- else
- return HXR_FAIL;
- }
- //-----------------------------------------------------------
- HX_RESULT CGAPIBlt::FillSurface(int cidIn,
- UCHAR* pSrcBuffer,
- HXxSize* pSrcSize,
- HXxRect* prSrcRect,
- UCHAR* pDstBuffer,
- LONG32 nDstPitch,
- HXxRect* prDestRect)
- {
- return HXR_FAIL;
- }
- //-----------------------------------------------------
- HX_RESULT CGAPIBlt::UnlockSurface(UCHAR* pSurfPtr, int nIndex)
- {
- // GXEndDraw();
- if (m_pMemory)
- return HXR_OK;
- else
- return HXR_FAIL;
- }
- //----------------------------------------------------------
- HX_RESULT CGAPIBlt::RenderSurface(HXxSize* pSrcSize,
- HXxRect* prSrcRect,
- HXxRect* prDestRect,
- int nIndex)
- {
- int nLeft=0,nTop=0; // number of off screen pixels/lines
- if (NULL == m_pMemory)
- return HXR_FAIL;
- // Map to screen coordinates
- POINT po = {0,0};
- ClientToScreen(m_hWnd, &po);
- if (po.x < 0)
- {
- nLeft = abs(po.x);
- po.x = 0;
- }
- if (po.y < 0)
- {
- nTop = abs(po.y);
- po.y = 0;
- }
- RECT rc;
- GetClientRect(m_hWnd, &rc);
- POINT pul = {rc.left,rc.top};
- ClientToScreen(m_hWnd,&pul);
- if (pul.x >= GetSystemMetrics(SM_CXSCREEN))
- return HXR_OK;// left is off screen to right
- if (pul.y >= GetSystemMetrics(SM_CYSCREEN))
- return HXR_OK;// top is off screen to bottom
- // width of image, width of window
- int nWidth = min(rc.right,pSrcSize->cx-nLeft);
- if ((po.x+nWidth) > GetSystemMetrics(SM_CXSCREEN))
- nWidth = GetSystemMetrics(SM_CXSCREEN)-po.x;
- if (nWidth <= 0)
- return HXR_OK;
- // height of image, height of window
- int nHeight = min(rc.bottom,pSrcSize->cy-nTop);
- if ((po.y+nHeight) > GetSystemMetrics(SM_CYSCREEN))
- nHeight = GetSystemMetrics(SM_CYSCREEN)-po.y;
- if (nHeight <= 0)
- return HXR_OK;
- unsigned short *dptr = (unsigned short *) GXBeginDraw();
- unsigned short *sptr = (unsigned short *) m_pMemory;
- if (NULL == dptr)
- {
- GXEndDraw();
- return HXR_FAIL;
- }
- unsigned short * puDst;
- unsigned short * puSrc;
- for (int y = 0; y < nHeight; y++) // for each line
- {
- puDst = dptr + (y+po.y)*m_gxdp.cbyPitch/2 + po.x;
- puSrc = sptr + (y+nTop)*m_nMemoryYPitch/2 + nLeft;
- memcpy(puDst,puSrc,2*nWidth);
- }
- GXEndDraw();
- return HXR_OK;
- }
- //-------------------------------------------------------
- HX_RESULT CGAPIBlt::DestroySurface(int cid)
- {
- if (m_pMemory)
- free(m_pMemory);
- m_pMemory = NULL;
- GXCloseDisplay();
- GXCloseInput();
- return HXR_OK;
- }