/////////////////////////////////////////////////////////////////////////////
// Name: bitmap.cpp
// Purpose: wxBitmap
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 08/08/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
+// Copyright: (c) David Webster
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "bitmap.h"
+ #pragma implementation "bitmap.h"
#endif
-#include "wx/setup.h"
-#include "wx/utils.h"
-#include "wx/palette.h"
-#include "wx/bitmap.h"
-#include "wx/icon.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+ #include <stdio.h>
+
+ #include "wx/list.h"
+ #include "wx/utils.h"
+ #include "wx/app.h"
+ #include "wx/palette.h"
+ #include "wx/dcmemory.h"
+ #include "wx/bitmap.h"
+ #include "wx/icon.h"
+#endif
+
+#include "wx/os2/private.h"
#include "wx/log.h"
-#if !USE_SHARED_LIBRARIES
+//#include "wx/msw/dib.h"
+#include "wx/image.h"
+#include "wx/xpmdecod.h"
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
-#endif
+
+IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxBitmapRefData
+// ----------------------------------------------------------------------------
wxBitmapRefData::wxBitmapRefData()
{
- m_ok = FALSE;
- m_width = 0;
- m_height = 0;
- m_depth = 0;
- m_quality = 0;
- m_numColors = 0;
- m_bitmapMask = NULL;
-}
-
-wxBitmapRefData::~wxBitmapRefData()
+ m_nQuality = 0;
+ m_pSelectedInto = NULL;
+ m_nNumColors = 0;
+ m_pBitmapMask = NULL;
+ m_hBitmap = (WXHBITMAP) NULL;
+} // end of wxBitmapRefData::wxBitmapRefData
+
+void wxBitmapRefData::Free()
{
- /*
- * TODO: delete the bitmap data here.
- */
-
- if (m_bitmapMask)
- delete m_bitmapMask;
- m_bitmapMask = NULL;
-}
+ if ( m_pSelectedInto )
+ {
+ wxLogLastError("GpiDeleteBitmap(hbitmap)");
+ }
+ if (m_hBitmap)
+ {
+ if (!::GpiDeleteBitmap((HBITMAP)m_hBitmap))
+ {
+ wxLogLastError("GpiDeleteBitmap(hbitmap)");
+ }
+ }
+ if (m_pBitmapMask)
+ {
+ delete m_pBitmapMask;
+ m_pBitmapMask = NULL;
+ }
+} // end of wxBitmapRefData::Free
-wxList wxBitmap::sm_handlers;
+// ----------------------------------------------------------------------------
+// wxBitmap creation
+// ----------------------------------------------------------------------------
-wxBitmap::wxBitmap()
+// this function should be called from all wxBitmap ctors
+void wxBitmap::Init()
{
- m_refData = NULL;
+ m_bIsMono = FALSE;
+ //
+ // True for all bitmaps created from bits, wxImages, Xpms
+ //
+} // end of wxBitmap::Init
+
+bool wxBitmap::CopyFromIconOrCursor(
+ const wxGDIImage& rIcon
+)
+{
+ HPOINTER hIcon = (HPOINTER)rIcon.GetHandle();
+ POINTERINFO SIconInfo;
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
-}
+ if (!::WinQueryPointerInfo(hIcon, &SIconInfo))
+ {
+ wxLogLastError(wxT("WinQueryPointerInfo"));
+ return FALSE;
+ }
+ wxBitmapRefData* pRefData = new wxBitmapRefData;
-wxBitmap::~wxBitmap()
-{
- if (wxTheBitmapList)
- wxTheBitmapList->DeleteObject(this);
-}
+ m_refData = pRefData;
-wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits)
-{
- m_refData = new wxBitmapRefData;
+ int nWidth = rIcon.GetWidth();
+ int nHeight = rIcon.GetHeight();
- M_BITMAPDATA->m_width = the_width ;
- M_BITMAPDATA->m_height = the_height ;
- M_BITMAPDATA->m_depth = no_bits ;
- M_BITMAPDATA->m_numColors = 0;
+ pRefData->m_nWidth = nWidth;
+ pRefData->m_nHeight = nHeight;
+ pRefData->m_nDepth = wxDisplayDepth();
- /* TODO: create the bitmap from data */
+ pRefData->m_hBitmap = (WXHBITMAP)SIconInfo.hbmColor;
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
-}
+ wxMask* pMask = new wxMask(SIconInfo.hbmPointer);
-wxBitmap::wxBitmap(int w, int h, int d)
-{
- (void)Create(w, h, d);
+ pMask->SetMaskBitmap(GetHBITMAP());
+ SetMask(pMask);
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
-}
+ return(TRUE);
+} // end of wxBitmap::CopyFromIconOrCursor
-wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth)
+bool wxBitmap::CopyFromCursor(
+ const wxCursor& rCursor
+)
{
- (void) Create(data, type, width, height, depth);
+ UnRef();
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
-}
+ if (!rCursor.Ok())
+ return(FALSE);
+ return(CopyFromIconOrCursor(rCursor));
+} // end of wxBitmap::CopyFromCursor
-wxBitmap::wxBitmap(const wxString& filename, long type)
+bool wxBitmap::CopyFromIcon(
+ const wxIcon& rIcon
+)
{
- LoadFile(filename, (int)type);
+ UnRef();
- if ( wxTheBitmapList )
- wxTheBitmapList->AddBitmap(this);
-}
+ if (!rIcon.Ok())
+ return(FALSE);
+
+ return CopyFromIconOrCursor(rIcon);
+} // end of wxBitmap::CopyFromIcon
-/* TODO: maybe allow creation from XPM
-// Create from data
-wxBitmap::wxBitmap(const char **data)
+wxBitmap::~wxBitmap()
{
- (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
-}
-*/
+} // end of wxBitmap::~wxBitmap
+
+wxBitmap::wxBitmap(
+ const char zBits[]
+, int nWidth
+, int nHeight
+, int nDepth
+)
+{
+ Init();
+
+ wxBitmapRefData* pRefData = new wxBitmapRefData;
+ BITMAPINFOHEADER2 vHeader;
+ BITMAPINFO2 vInfo;
+ HDC hDc;
+ HPS hPs;
+ DEVOPENSTRUC vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL };
+ SIZEL vSize = {0, 0};
+ char* pzData;
+
+ wxASSERT(vHabmain != NULL);
+
+ m_refData = pRefData;
+
+ pRefData->m_nWidth = nWidth;
+ pRefData->m_nHeight = nHeight;
+ pRefData->m_nDepth = nDepth;
+ pRefData->m_nNumColors = 0;
+ pRefData->m_pSelectedInto = NULL;
+
+ hDc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ hPs = ::GpiCreatePS(vHabmain, hDc, &vSize, GPIA_ASSOC | PU_PELS);
+ if (hPs == 0)
+ {
+ wxLogLastError("GpiCreatePS Failure");
+ }
-bool wxBitmap::Create(int w, int h, int d)
+ if (nDepth == 1)
+ {
+ //
+ // We assume that it is in XBM format which is not quite the same as
+ // the format CreateBitmap() wants because the order of bytes in the
+ // line is inversed!
+ //
+ const size_t nBytesPerLine = (nWidth + 7) / 8;
+ const size_t nPadding = nBytesPerLine % 2;
+ const size_t nLen = nHeight * (nPadding + nBytesPerLine);
+ const char* pzSrc = zBits;
+ int nRows;
+ size_t nCols;
+
+ pzData = (char *)malloc(nLen);
+
+ char* pzDst = pzData;
+
+ for (nRows = 0; nRows < nHeight; nRows++)
+ {
+ for (nCols = 0; nCols < nBytesPerLine; nCols++)
+ {
+ unsigned char ucVal = *pzSrc++;
+ unsigned char ucReversed = 0;
+ int nBits;
+
+ for (nBits = 0; nBits < 8; nBits++)
+ {
+ ucReversed <<= 1;
+ ucReversed |= (ucVal & 0x01);
+ ucVal >>= 1;
+ }
+ *pzDst++ = ucReversed;
+ }
+ if (nPadding)
+ *pzDst++ = 0;
+ }
+ }
+ else
+ {
+ //
+ // Bits should already be in Windows standard format
+ //
+ pzData = (char *)zBits; // const_cast is harmless
+ }
+
+ if (nDepth > 24)
+ nDepth = 24; // MAX supported in PM
+ memset(&vHeader, '\0', 16);
+ vHeader.cbFix = 16;
+ vHeader.cx = (USHORT)nWidth;
+ vHeader.cy = (USHORT)nHeight;
+ vHeader.cPlanes = 1L;
+ vHeader.cBitCount = nDepth;
+ vHeader.usReserved = 0;
+
+ memset(&vInfo, '\0', 16);
+ vInfo.cbFix = 16;
+ vInfo.cx = (USHORT)nWidth;
+ vInfo.cy = (USHORT)nHeight;
+ vInfo.cPlanes = 1L;
+ vInfo.cBitCount = nDepth;
+
+ HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, CBM_INIT, (PBYTE)pzData, &vInfo);
+
+ if (!hBmp)
+ {
+ wxLogLastError("CreateBitmap");
+ }
+ ::GpiDestroyPS(hPs);
+ ::DevCloseDC(hDc);
+ SetHBITMAP((WXHBITMAP)hBmp);
+} // end of wxBitmap::wxBitmap
+
+wxBitmap::wxBitmap(
+ int nW
+, int nH
+, int nD
+)
{
- UnRef();
+ Init();
+ (void)Create( nW
+ ,nH
+ ,nD
+ );
+} // end of wxBitmap::wxBitmap
+
+wxBitmap::wxBitmap(
+ void* pData
+, long lType
+, int nWidth
+, int nHeight
+, int nDepth
+)
+{
+ Init();
+
+ (void)Create( pData
+ ,lType
+ ,nWidth
+ ,nHeight
+ ,nDepth
+ );
+} // end of wxBitmap::wxBitmap
+
+wxBitmap::wxBitmap(
+ int nId
+, long lType
+)
+{
+ Init();
+ LoadFile( nId
+ ,(int)lType
+ );
+ SetId(nId);
+} // end of wxBitmap::wxBitmap
+
+bool wxBitmap::Create(
+ int nW
+, int nH
+, int nD
+)
+{
+ HBITMAP hBmp;
+ BITMAPINFOHEADER2 vHeader;
+ wxASSERT(vHabmain != NULL);
+ UnRef();
m_refData = new wxBitmapRefData;
+ GetBitmapData()->m_nWidth = nW;
+ GetBitmapData()->m_nHeight = nH;
+ GetBitmapData()->m_nDepth = nD;
+
+ //
+ // Xpms and bitmaps from other images can also be mono's, but only
+ // mono's need help changing their colors with MemDC changes
+ //
+ if (nD > 0)
+ {
+ DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+ SIZEL vSize = {0, 0};
+ HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC);
+
+ if (nD == 1)
+ m_bIsMono = TRUE;
+ memset(&vHeader, '\0', 16);
+ vHeader.cbFix = 16;
+ vHeader.cx = nW;
+ vHeader.cy = nH;
+ vHeader.cPlanes = 1;
+ vHeader.cBitCount = 24; //nD;
+
+ hBmp = ::GpiCreateBitmap( hPS
+ ,&vHeader
+ ,0L
+ ,NULL
+ ,NULL
+ );
+ ::GpiDestroyPS(hPS);
+ ::DevCloseDC(hDC);
+ }
+ else
+ {
+ HPS hPSScreen;
+ HDC hDCScreen;
+ LONG lBitCount;
+
+ hPSScreen = ::WinGetScreenPS(HWND_DESKTOP);
+ hDCScreen = ::GpiQueryDevice(hPSScreen);
+ ::DevQueryCaps(hDCScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitCount);
+
+ if (lBitCount > 24)
+ lBitCount = 24;
+
+ memset(&vHeader, '\0', 16);
+ vHeader.cbFix = 16;
+ vHeader.cx = nW;
+ vHeader.cy = nH;
+ vHeader.cPlanes = 1;
+ vHeader.cBitCount = lBitCount;
+
+ hBmp = ::GpiCreateBitmap( hPSScreen
+ ,&vHeader
+ ,0L
+ ,NULL
+ ,NULL
+ );
+
+ GetBitmapData()->m_nDepth = wxDisplayDepth();
+ ::WinReleasePS(hPSScreen);
+ }
+ SetHBITMAP((WXHBITMAP)hBmp);
- M_BITMAPDATA->m_width = w;
- M_BITMAPDATA->m_height = h;
- M_BITMAPDATA->m_depth = d;
+ return Ok();
+} // end of wxBitmap::Create
- /* TODO: create new bitmap */
+bool wxBitmap::CreateFromXpm(
+ const char** ppData
+)
+{
+#if wxUSE_IMAGE && wxUSE_XPM
+ Init();
- return M_BITMAPDATA->m_ok;
-}
+ wxCHECK_MSG(ppData != NULL, FALSE, wxT("invalid bitmap data"))
-bool wxBitmap::LoadFile(const wxString& filename, long type)
-{
- UnRef();
+ wxXPMDecoder vDecoder;
+ wxImage vImg = vDecoder.ReadData(ppData);
- m_refData = new wxBitmapRefData;
+ wxCHECK_MSG(vImg.Ok(), FALSE, wxT("invalid bitmap data"))
- wxBitmapHandler *handler = FindHandler(type);
+ *this = wxBitmap(vImg);
+ return TRUE;
+#else
+ return FALSE;
+#endif
+} // end of wxBitmap::CreateFromXpm
- if ( handler == NULL ) {
- wxLogWarning("no bitmap handler for type %d defined.", type);
+bool wxBitmap::LoadFile(
+ int nId
+, long lType
+)
+{
+ UnRef();
- return FALSE;
- }
+ wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType)
+ ,wxBitmapHandler
+ );
- return handler->LoadFile(this, filename, type, -1, -1);
-}
+ if (pHandler)
+ {
+ m_refData = new wxBitmapRefData;
-bool wxBitmap::Create(void *data, long type, int width, int height, int depth)
+ return(pHandler->LoadFile( this
+ ,nId
+ ,lType
+ , -1
+ , -1
+ ));
+ }
+ else
+ {
+ return(FALSE);
+ }
+} // end of wxBitmap::LoadFile
+
+bool wxBitmap::Create(
+ void* pData
+, long lType
+, int nWidth
+, int nHeight
+, int nDepth
+)
{
UnRef();
- m_refData = new wxBitmapRefData;
-
- wxBitmapHandler *handler = FindHandler(type);
+ wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType)
+ ,wxBitmapHandler
+ );
- if ( handler == NULL ) {
- wxLogWarning("no bitmap handler for type %d defined.", type);
+ if (!pHandler)
+ {
+ wxLogDebug(wxT("Failed to create bitmap: no bitmap handler for type %ld defined."), lType);
- return FALSE;
+ return(FALSE);
}
- return handler->Create(this, data, type, width, height, depth);
-}
+ m_refData = new wxBitmapRefData;
-bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette)
+ return(pHandler->Create( this
+ ,pData
+ ,lType
+ ,nWidth
+ ,nHeight
+ ,nDepth
+ ));
+} // end of wxBitmap::Create
+
+bool wxBitmap::SaveFile(
+ const wxString& rFilename
+, int lType
+, const wxPalette* pPalette
+)
{
- wxBitmapHandler *handler = FindHandler(type);
+ wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType)
+ ,wxBitmapHandler
+ );
- if ( handler == NULL ) {
- wxLogWarning("no bitmap handler for type %d defined.", type);
+ if (pHandler)
+ {
+ return pHandler->SaveFile( this
+ ,rFilename
+ ,lType
+ ,pPalette
+ );
+ }
+ else
+ {
+ // FIXME what about palette? shouldn't we use it?
+ wxImage vImage = ConvertToImage();
- return FALSE;
- }
+ if (!vImage.Ok())
+ return(FALSE);
- return handler->SaveFile(this, filename, type, palette);
-}
+ return(vImage.SaveFile( rFilename
+ ,lType
+ ));
+ }
+} // end of wxBitmap::SaveFile
-void wxBitmap::SetWidth(int w)
-{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
- M_BITMAPDATA->m_width = w;
-}
+// ----------------------------------------------------------------------------
+// wxImage-wxBitmap conversion
+// ----------------------------------------------------------------------------
-void wxBitmap::SetHeight(int h)
+bool wxBitmap::CreateFromImage (
+ const wxImage& rImage
+, int nDepth
+)
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ wxCHECK_MSG(rImage.Ok(), FALSE, wxT("invalid image"));
+ m_refData = new wxBitmapRefData();
+
+ int nSizeLimit = 1024 * 768 * 3;
+ int nWidth = rImage.GetWidth();
+ int nBmpHeight = rImage.GetHeight();
+ int nBytePerLine = nWidth * 3;
+ int nSizeDWORD = sizeof(DWORD);
+ int nLineBoundary = nBytePerLine % nSizeDWORD;
+ int nPadding = 0;
+
+ if (nLineBoundary > 0)
+ {
+ nPadding = nSizeDWORD - nLineBoundary;
+ nBytePerLine += nPadding;
+ }
- M_BITMAPDATA->m_height = h;
-}
+ //
+ // Calc the number of DIBs and heights of DIBs
+ //
+ int nNumDIB = 1;
+ int nHRemain = 0;
+ int nHeight = nSizeLimit / nBytePerLine;
-void wxBitmap::SetDepth(int d)
-{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
-
- M_BITMAPDATA->m_depth = d;
-}
+ if (nHeight >= nBmpHeight)
+ nHeight = nBmpHeight;
+ else
+ {
+ nNumDIB = nBmpHeight / nHeight;
+ nHRemain = nBmpHeight % nHeight;
+ if (nHRemain > 0)
+ nNumDIB++;
+ }
-void wxBitmap::SetQuality(int q)
-{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ //
+ // Set bitmap parameters
+ //
+ wxCHECK_MSG(rImage.Ok(), FALSE, wxT("invalid image"));
+ SetWidth(nWidth);
+ SetHeight(nBmpHeight);
+ if (nDepth == 1)
+ m_bIsMono = TRUE;
+ else
+ m_bIsMono = FALSE;
+ if (nDepth == -1)
+ nDepth = wxDisplayDepth();
+ SetDepth(nDepth);
+
+#if wxUSE_PALETTE
+ //
+ // Copy the palette from the source image
+ //
+ SetPalette(rImage.GetPalette());
+#endif // wxUSE_PALETTE
+
+ //
+ // Create a DIB header
+ //
+ BITMAPINFOHEADER2 vHeader;
+ BITMAPINFO2 vInfo;
+
+ //
+ // Fill in the DIB header
+ //
+ memset(&vHeader, '\0', 16);
+ vHeader.cbFix = 16;
+ vHeader.cx = (ULONG)nWidth;
+ vHeader.cy = (ULONG)nHeight;
+ vHeader.cPlanes = 1L;
+ vHeader.cBitCount = 24;
+
+ //
+ // Memory for DIB data
+ //
+ unsigned char* pucBits;
+
+ pucBits = (unsigned char *)malloc(nBytePerLine * nHeight);
+ if(!pucBits)
+ {
+ wxFAIL_MSG(wxT("could not allocate memory for DIB"));
+ return FALSE;
+ }
+ memset(pucBits, '\0', (nBytePerLine * nHeight));
+
+ //
+ // Create and set the device-dependent bitmap
+ //
+ DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+ SIZEL vSize = {0, 0};
+ HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC);
+ LONG lScans;
+ HDC hDCScreen = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HPS hPSScreen;
+ HBITMAP hBmp;
+ HBITMAP hBmpOld;
+
+ memset(&vInfo, '\0', 16);
+ vInfo.cbFix = 16;
+ vInfo.cx = (ULONG)nWidth;
+ vInfo.cy = (ULONG)nHeight;
+ vInfo.cPlanes = 1;
+ vInfo.cBitCount = 24; // Set to desired count going in
+
+ hBmp = ::GpiCreateBitmap( hPS
+ ,&vHeader
+ ,0L
+ ,NULL
+ ,NULL
+ );
+#if wxUSE_PALETTE
+ HPAL hOldPalette = NULLHANDLE;
+ if (rImage.GetPalette().Ok())
+ {
+ hOldPalette = ::GpiSelectPalette(hPS, (HPAL)rImage.GetPalette().GetHPALETTE());
+ }
+#endif // wxUSE_PALETTE
+
+ //
+ // Copy image data into DIB data and then into DDB (in a loop)
+ //
+ unsigned char* pData = rImage.GetData();
+ int i;
+ int j;
+ int n;
+ int nOrigin = 0;
+ unsigned char* ptdata = pData;
+ unsigned char* ptbits;
+
+ if ((hBmpOld = ::GpiSetBitmap(hPS, hBmp)) == HBM_ERROR)
+ {
+ ERRORID vError;
+ wxString sError;
- M_BITMAPDATA->m_quality = q;
-}
+ vError = ::WinGetLastError(vHabmain);
+ sError = wxPMErrorToStr(vError);
+ }
+ for (n = 0; n < nNumDIB; n++)
+ {
+ if (nNumDIB > 1 && n == nNumDIB - 1 && nHRemain > 0)
+ {
+ //
+ // Redefine height and size of the (possibly) last smaller DIB
+ // memory is not reallocated
+ //
+ nHeight = nHRemain;
+ vHeader.cy = (DWORD)(nHeight);
+ vHeader.cbImage = nBytePerLine * nHeight;
+ }
+ ptbits = pucBits;
+ for (j = 0; j < nHeight; j++)
+ {
+ for (i = 0; i < nWidth; i++)
+ {
+ *(ptbits++) = *(ptdata + 2);
+ *(ptbits++) = *(ptdata + 1);
+ *(ptbits++) = *(ptdata);
+ ptdata += 3;
+ }
+ for (i = 0; i < nPadding; i++)
+ *(ptbits++) = 0;
+ }
+
+ //
+ // Have to do something similar to WIN32's StretchDIBits, use GpiBitBlt
+ // in combination with setting the bits into the selected bitmap
+ //
+ if ((lScans = ::GpiSetBitmapBits( hPS
+ ,0 // Start at the bottom
+ ,(LONG)nHeight // One line per scan
+ ,(PBYTE)pucBits
+ ,&vInfo
+ )) == GPI_ALTERROR)
+ {
+ ERRORID vError;
+ wxString sError;
+
+ vError = ::WinGetLastError(vHabmain);
+ sError = wxPMErrorToStr(vError);
+ }
+ hPSScreen = ::GpiCreatePS( vHabmain
+ ,hDCScreen
+ ,&vSize
+ ,PU_PELS | GPIA_ASSOC
+ );
+
+ POINTL vPoint[4] = { {0, nOrigin},
+ {nWidth, nHeight},
+ {0, 0}, {nWidth, nHeight}
+ };
+
+
+ ::GpiBitBlt( hPSScreen
+ ,hPS
+ ,4
+ ,vPoint
+ ,ROP_SRCCOPY
+ ,BBO_IGNORE
+ );
+ ::GpiDestroyPS(hPSScreen);
+ nOrigin += nHeight;
+ }
+ SetHBITMAP((WXHBITMAP)hBmp);
+#if wxUSE_PALETTE
+ if (hOldPalette)
+ ::GpiSelectPalette(hPS, hOldPalette);
+#endif // wxUSE_PALETTE
+
+ //
+ // Similarly, created an mono-bitmap for the possible mask
+ //
+ if (rImage.HasMask())
+ {
+ vHeader.cbFix = 16;
+ vHeader.cx = nWidth;
+ vHeader.cy = nHeight;
+ vHeader.cPlanes = 1;
+ vHeader.cBitCount = 24;
+ hBmp = ::GpiCreateBitmap( hPS
+ ,&vHeader
+ ,0L
+ ,NULL
+ ,NULL
+ );
+ hBmpOld = ::GpiSetBitmap(hPS, hBmp);
+ if (nNumDIB == 1)
+ nHeight = nBmpHeight;
+ else
+ nHeight = nSizeLimit / nBytePerLine;
+ vHeader.cy = (DWORD)(nHeight);
+ nOrigin = 0;
+
+ unsigned char cRed = rImage.GetMaskRed();
+ unsigned char cGreen = rImage.GetMaskGreen();
+ unsigned char cBlue = rImage.GetMaskBlue();
+ unsigned char cZero = 0;
+ unsigned char cOne = 255;
+
+ ptdata = pData;
+ for (n = 0; n < nNumDIB; n++)
+ {
+ if (nNumDIB > 1 && n == nNumDIB - 1 && nHRemain > 0)
+ {
+ //
+ // Redefine height and size of the (possibly) last smaller DIB
+ // memory is not reallocated
+ //
+ nHeight = nHRemain;
+ vHeader.cy = (DWORD)(nHeight);
+ vHeader.cbImage = nBytePerLine * nHeight;
+ }
+ ptbits = pucBits;
+ for (int j = 0; j < nHeight; j++)
+ {
+ for (i = 0; i < nWidth; i++)
+ {
+ unsigned char cRedImage = (*(ptdata++)) ;
+ unsigned char cGreenImage = (*(ptdata++)) ;
+ unsigned char cBlueImage = (*(ptdata++)) ;
+
+ if ((cRedImage != cRed) || (cGreenImage != cGreen) || (cBlueImage != cBlue))
+ {
+ *(ptbits++) = cOne;
+ *(ptbits++) = cOne;
+ *(ptbits++) = cOne;
+ }
+ else
+ {
+ *(ptbits++) = cZero;
+ *(ptbits++) = cZero;
+ *(ptbits++) = cZero;
+ }
+ }
+ for (i = 0; i < nPadding; i++)
+ *(ptbits++) = cZero;
+ }
+ lScans = ::GpiSetBitmapBits( hPS
+ ,0 // Start at the bottom
+ ,(LONG)nHeight // One line per scan
+ ,(PBYTE)pucBits
+ ,&vInfo
+ );
+ hPSScreen = ::GpiCreatePS( vHabmain
+ ,hDCScreen
+ ,&vSize
+ ,PU_PELS | GPIA_ASSOC
+ );
+ POINTL vPoint2[4] = { {0, nOrigin},
+ {nWidth, nHeight},
+ {0, 0}, {nWidth, nHeight}
+ };
+ ::GpiBitBlt( hPSScreen
+ ,hPS
+ ,4
+ ,vPoint2
+ ,ROP_SRCCOPY
+ ,BBO_IGNORE
+ );
+ ::GpiDestroyPS(hPSScreen);
+ nOrigin += nHeight;
+ }
+
+ //
+ // Create a wxMask object
+ //
+ wxMask* pMask = new wxMask();
+
+ pMask->SetMaskBitmap((WXHBITMAP)hBmp);
+ SetMask(pMask);
+ hBmpOld = ::GpiSetBitmap(hPS, hBmpOld);
+ }
-void wxBitmap::SetOk(bool isOk)
+ //
+ // Free allocated resources
+ //
+ ::GpiSetBitmap(hPS, NULLHANDLE);
+ ::GpiDestroyPS(hPS);
+ ::DevCloseDC(hDCScreen);
+ ::DevCloseDC(hDC);
+ free(pucBits);
+ return TRUE;
+} // end of wxBitmap::CreateFromImage
+
+wxImage wxBitmap::ConvertToImage() const
{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
-
- M_BITMAPDATA->m_ok = isOk;
-}
+ wxImage vImage;
+ wxDC* pDC;
+
+ wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+
+ //
+ // Create an wxImage object
+ //
+ int nWidth = GetWidth();
+ int nHeight = GetHeight();
+ int nDevWidth;
+ int nDevHeight;
+ int nBytePerLine = nWidth * 3;
+ int nSizeDWORD = sizeof(DWORD);
+ int nLineBoundary = nBytePerLine % nSizeDWORD;
+ int nPadding = 0;
+ unsigned char* pData;
+ unsigned char* lpBits;
+ long lScans;
+ BITMAPINFOHEADER2 vDIBh;
+ BITMAPINFO2 vDIBInfo;
+ HPS hPSMem;
+ HBITMAP hBitmap;
+ HBITMAP hOldBitmap;
+ DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+ SIZEL vSizlPage = {0,0};
+ HDC hDCMem;
+
+ vImage.Create( nWidth
+ ,nHeight
+ );
+ pData = vImage.GetData();
+ if(!pData)
+ {
+ wxFAIL_MSG( wxT("could not allocate data for image") );
+ return wxNullImage;
+ }
+ if(nLineBoundary > 0)
+ {
+ nPadding = nSizeDWORD - nLineBoundary;
+ nBytePerLine += nPadding;
+ }
+ wxDisplaySize( &nDevWidth
+ ,&nDevHeight
+ );
+ //
+ // Create and fill a DIB header
+ //
+ memset(&vDIBh, '\0', 16);
+ vDIBh.cbFix = 16;
+ vDIBh.cx = nWidth;
+ vDIBh.cy = nHeight;
+ vDIBh.cPlanes = 1;
+ vDIBh.cBitCount = 24;
+
+ memset(&vDIBInfo, '\0', 16);
+ vDIBInfo.cbFix = 16;
+ vDIBInfo.cx = nWidth;
+ vDIBInfo.cy = nHeight;
+ vDIBInfo.cPlanes = 1;
+ vDIBInfo.cBitCount = 24;
+
+ lpBits = (unsigned char *)malloc(nBytePerLine * nHeight);
+ if (!lpBits)
+ {
+ wxFAIL_MSG(wxT("could not allocate data for DIB"));
+ free(pData);
+ return wxNullImage;
+ }
+ memset(lpBits, '\0', (nBytePerLine * nHeight));
+ hBitmap = (HBITMAP)GetHBITMAP();
-void wxBitmap::SetPalette(const wxPalette& palette)
-{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ //
+ // May already be selected into a PS
+ //
+ if ((pDC = GetSelectedInto()) != NULL)
+ {
+ hPSMem = pDC->GetHPS();
+ }
+ else
+ {
+ hDCMem = ::DevOpenDC( vHabmain
+ ,OD_MEMORY
+ ,"*"
+ ,5L
+ ,(PDEVOPENDATA)&vDop
+ ,NULLHANDLE
+ );
+ hPSMem = ::GpiCreatePS( vHabmain
+ ,hDCMem
+ ,&vSizlPage
+ ,PU_PELS | GPIA_ASSOC
+ );
+ }
+ if ((hOldBitmap = ::GpiSetBitmap(hPSMem, hBitmap)) == HBM_ERROR)
+ {
+ ERRORID vError;
+ wxString sError;
- M_BITMAPDATA->m_bitmapPalette = palette ;
-}
+ vError = ::WinGetLastError(vHabmain);
+ sError = wxPMErrorToStr(vError);
+ }
-void wxBitmap::SetMask(wxMask *mask)
-{
- if (!M_BITMAPDATA)
- m_refData = new wxBitmapRefData;
+ //
+ // Copy data from the device-dependent bitmap to the DIB
+ //
+ if ((lScans = ::GpiQueryBitmapBits( hPSMem
+ ,0L
+ ,(LONG)nHeight
+ ,(PBYTE)lpBits
+ ,&vDIBInfo
+ )) == GPI_ALTERROR)
+ {
+ ERRORID vError;
+ wxString sError;
- M_BITMAPDATA->m_bitmapMask = mask ;
-}
+ vError = ::WinGetLastError(vHabmain);
+ sError = wxPMErrorToStr(vError);
+ }
-void wxBitmap::AddHandler(wxBitmapHandler *handler)
-{
- sm_handlers.Append(handler);
-}
+ //
+ // Copy DIB data into the wxImage object
+ //
+ int i;
+ int j;
+ unsigned char* ptdata = pData;
+ unsigned char* ptbits = lpBits;
-void wxBitmap::InsertHandler(wxBitmapHandler *handler)
-{
- sm_handlers.Insert(handler);
-}
+ for (i = 0; i < nHeight; i++)
+ {
+ for (j = 0; j < nWidth; j++)
+ {
+ *(ptdata++) = *(ptbits+2);
+ *(ptdata++) = *(ptbits+1);
+ *(ptdata++) = *(ptbits );
+ ptbits += 3;
+ }
+ ptbits += nPadding;
+ }
+ if ((pDC = GetSelectedInto()) == NULL)
+ {
+ ::GpiSetBitmap(hPSMem, NULLHANDLE);
+ ::GpiDestroyPS(hPSMem);
+ ::DevCloseDC(hDCMem);
+ }
-bool wxBitmap::RemoveHandler(const wxString& name)
-{
- wxBitmapHandler *handler = FindHandler(name);
- if ( handler )
+ //
+ // Similarly, set data according to the possible mask bitmap
+ //
+ if (GetMask() && GetMask()->GetMaskBitmap())
{
- sm_handlers.DeleteObject(handler);
- return TRUE;
+ hBitmap = (HBITMAP)GetMask()->GetMaskBitmap();
+
+ //
+ // Memory DC/PS created, color set, data copied, and memory DC/PS deleted
+ //
+ HDC hMemDC = ::DevOpenDC( vHabmain
+ ,OD_MEMORY
+ ,"*"
+ ,5L
+ ,(PDEVOPENDATA)&vDop
+ ,NULLHANDLE
+ );
+ HPS hMemPS = ::GpiCreatePS( vHabmain
+ ,hMemDC
+ ,&vSizlPage
+ ,PU_PELS | GPIA_ASSOC
+ );
+ ::GpiSetColor(hMemPS, OS2RGB(0, 0, 0));
+ ::GpiSetBackColor(hMemPS, OS2RGB(255, 255, 255) );
+ ::GpiSetBitmap(hMemPS, hBitmap);
+ ::GpiQueryBitmapBits( hPSMem
+ ,0L
+ ,(LONG)nHeight
+ ,(PBYTE)lpBits
+ ,&vDIBInfo
+ );
+ ::GpiSetBitmap(hMemPS, NULLHANDLE);
+ ::GpiDestroyPS(hMemPS);
+ ::DevCloseDC(hMemDC);
+
+ //
+ // Background color set to RGB(16,16,16) in consistent with wxGTK
+ //
+ unsigned char ucRed = 16;
+ unsigned char ucGreen = 16;
+ unsigned char ucBlue = 16;
+
+ ptdata = pData;
+ ptbits = lpBits;
+ for (i = 0; i < nHeight; i++)
+ {
+ for (j = 0; j < nWidth; j++)
+ {
+ if (*ptbits != 0)
+ ptdata += 3;
+ else
+ {
+ *(ptdata++) = ucRed;
+ *(ptdata++) = ucGreen;
+ *(ptdata++) = ucBlue;
+ }
+ ptbits += 3;
+ }
+ ptbits += nPadding;
+ }
+ vImage.SetMaskColour( ucRed
+ ,ucGreen
+ ,ucBlue
+ );
+ vImage.SetMask(TRUE);
}
else
- return FALSE;
-}
-
-wxBitmapHandler *wxBitmap::FindHandler(const wxString& name)
-{
- wxNode *node = sm_handlers.First();
- while ( node )
{
- wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
- if ( handler->GetName() == name )
- return handler;
- node = node->Next();
+ vImage.SetMask(FALSE);
}
- return NULL;
-}
-wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType)
+ //
+ // Free allocated resources
+ //
+ free(lpBits);
+ return vImage;
+} // end of wxBitmap::ConvertToImage
+
+// ----------------------------------------------------------------------------
+// sub bitmap extraction
+// ----------------------------------------------------------------------------
+
+wxBitmap wxBitmap::GetSubBitmap(
+ const wxRect& rRect
+) const
{
- wxNode *node = sm_handlers.First();
- while ( node )
+ wxCHECK_MSG( Ok() &&
+ (rRect.x >= 0) && (rRect.y >= 0) &&
+ (rRect.x + rRect.width <= GetWidth()) &&
+ (rRect.y + rRect.height <= GetHeight()),
+ wxNullBitmap, wxT("Invalid bitmap or bitmap region") );
+
+ wxBitmap vRet( rRect.width
+ ,rRect.height
+ ,GetDepth()
+ );
+ wxASSERT_MSG( vRet.Ok(), wxT("GetSubBitmap error") );
+
+
+ //
+ // Copy bitmap data
+ //
+ SIZEL vSize = {0, 0};
+ DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+ HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC);
+ HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC);
+ POINTL vPoint[4] = { {0, 0}, {rRect.width, rRect.height},
+ {rRect.x, rRect.y},
+ {rRect.x + rRect.width, rRect.y + rRect.height}
+ };
+
+ ::GpiSetBitmap(hPSSrc, (HBITMAP) GetHBITMAP());
+ ::GpiSetBitmap(hPSDst, (HBITMAP) vRet.GetHBITMAP());
+ ::GpiBitBlt( hPSDst
+ ,hPSSrc
+ ,4L
+ ,vPoint
+ ,ROP_SRCCOPY
+ ,BBO_IGNORE
+ );
+
+ //
+ // Copy mask if there is one
+ //
+ if (GetMask())
{
- wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
- if ( handler->GetExtension() == extension &&
- (bitmapType == -1 || handler->GetType() == bitmapType) )
- return handler;
- node = node->Next();
+ BITMAPINFOHEADER2 vBmih;
+
+ memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2));
+ vBmih.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmih.cx = rRect.width;
+ vBmih.cy = rRect.height;
+ vBmih.cPlanes = 1;
+ vBmih.cBitCount = 24;
+
+ HBITMAP hBmpMask = ::GpiCreateBitmap( hPSDst
+ ,&vBmih
+ ,0L
+ ,NULL
+ ,NULL
+ );
+
+ ::GpiSetBitmap(hPSSrc, (HBITMAP) GetHBITMAP());
+ ::GpiSetBitmap(hPSDst, (HBITMAP) vRet.GetHBITMAP());
+
+ ::GpiSetBitmap(hPSSrc, (HBITMAP) GetMask()->GetMaskBitmap());
+ ::GpiSetBitmap(hPSDst, (HBITMAP) hBmpMask);
+ ::GpiBitBlt( hPSDst
+ ,hPSSrc
+ ,4L
+ ,vPoint
+ ,ROP_SRCCOPY
+ ,BBO_IGNORE
+ );
+
+ wxMask* pMask = new wxMask((WXHBITMAP)hBmpMask);
+ vRet.SetMask(pMask);
}
- return NULL;
-}
-wxBitmapHandler *wxBitmap::FindHandler(long bitmapType)
+ ::GpiSetBitmap(hPSSrc, NULL);
+ ::GpiSetBitmap(hPSDst, NULL);
+ ::GpiDestroyPS(hPSSrc);
+ ::GpiDestroyPS(hPSDst);
+ ::DevCloseDC(hDCSrc);
+ ::DevCloseDC(hDCDst);
+ return vRet;
+} // end of wxBitmap::GetSubBitmap
+
+// ----------------------------------------------------------------------------
+// wxBitmap accessors
+// ----------------------------------------------------------------------------
+
+void wxBitmap::SetQuality(
+ int nQ
+)
{
- wxNode *node = sm_handlers.First();
- while ( node )
- {
- wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
- if (handler->GetType() == bitmapType)
- return handler;
- node = node->Next();
- }
- return NULL;
-}
+ EnsureHasData();
+
+ GetBitmapData()->m_nQuality = nQ;
+} // end of wxBitmap::SetQuality
+
+void wxBitmap::SetPalette(
+ const wxPalette& rPalette
+)
+{
+ EnsureHasData();
+
+ GetBitmapData()->m_vBitmapPalette = rPalette;
+} // end of wxBitmap::SetPalette
+
+void wxBitmap::SetMask(
+ wxMask* pMask
+)
+{
+ EnsureHasData();
-/*
- * wxMask
- */
+ GetBitmapData()->m_pBitmapMask = pMask;
+} // end of wxBitmap::SetMask
+
+wxBitmap wxBitmap::GetBitmapForDC(
+ wxDC& rDc
+) const
+{
+ return(*this);
+} // end of wxBitmap::GetBitmapForDC
+
+// ----------------------------------------------------------------------------
+// wxMask
+// ----------------------------------------------------------------------------
wxMask::wxMask()
{
-/* TODO
- m_maskBitmap = 0;
-*/
-}
+ m_hMaskBitmap = 0;
+} // end of wxMask::wxMask
// Construct a mask from a bitmap and a colour indicating
// the transparent area
-wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
+wxMask::wxMask(
+ const wxBitmap& rBitmap
+, const wxColour& rColour
+)
{
-/* TODO
- m_maskBitmap = 0;
-*/
- Create(bitmap, colour);
-}
+ m_hMaskBitmap = 0;
+ Create( rBitmap
+ ,rColour
+ );
+} // end of wxMask::wxMask
// Construct a mask from a bitmap and a palette index indicating
// the transparent area
-wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
+wxMask::wxMask(
+ const wxBitmap& rBitmap
+, int nPaletteIndex
+)
{
-/* TODO
- m_maskBitmap = 0;
-*/
-
- Create(bitmap, paletteIndex);
-}
+ m_hMaskBitmap = 0;
+ Create( rBitmap
+ ,nPaletteIndex
+ );
+} // end of wxMask::wxMask
// Construct a mask from a mono bitmap (copies the bitmap).
-wxMask::wxMask(const wxBitmap& bitmap)
+wxMask::wxMask(
+ const wxBitmap& rBitmap
+)
{
-/* TODO
- m_maskBitmap = 0;
-*/
-
- Create(bitmap);
-}
+ m_hMaskBitmap = 0;
+ Create(rBitmap);
+} // end of wxMask::wxMask
wxMask::~wxMask()
{
-// TODO: delete mask bitmap
-}
+ if (m_hMaskBitmap)
+ ::GpiDeleteBitmap((HBITMAP)m_hMaskBitmap);
+} // end of wxMask::~wxMask
// Create a mask from a mono bitmap (copies the bitmap).
-bool wxMask::Create(const wxBitmap& bitmap)
+bool wxMask::Create(
+ const wxBitmap& rBitmap
+)
{
-// TODO
- return FALSE;
-}
+ BITMAPINFOHEADER2 vBmih;
+ SIZEL vSize = {0, 0};
+ DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+ HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC);
+ HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC);
+ POINTL vPoint[4] = { {0 ,0}, {rBitmap.GetWidth(), rBitmap.GetHeight()},
+ {0, 0}, {rBitmap.GetWidth(), rBitmap.GetHeight()}
+ };
+
+ if (m_hMaskBitmap)
+ {
+ ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap);
+ m_hMaskBitmap = 0;
+ }
+ if (!rBitmap.Ok() || rBitmap.GetDepth() != 1)
+ {
+ return(FALSE);
+ }
+
+ memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2));
+ vBmih.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmih.cx = rBitmap.GetWidth();
+ vBmih.cy = rBitmap.GetHeight();
+ vBmih.cPlanes = 1;
+ vBmih.cBitCount = 24;
+
+ m_hMaskBitmap = ::GpiCreateBitmap( hPSDst
+ ,&vBmih
+ ,0L
+ ,NULL
+ ,NULL
+ );
+
+ ::GpiSetBitmap(hPSSrc, (HBITMAP) rBitmap.GetHBITMAP());
+ ::GpiSetBitmap(hPSDst, (HBITMAP) m_hMaskBitmap);
+ ::GpiBitBlt( hPSDst
+ ,hPSSrc
+ ,4L
+ ,vPoint
+ ,ROP_SRCCOPY
+ ,BBO_IGNORE
+ );
+
+ ::GpiDestroyPS(hPSSrc);
+ ::GpiDestroyPS(hPSDst);
+ ::DevCloseDC(hDCSrc);
+ ::DevCloseDC(hDCDst);
+ return(TRUE);
+} // end of wxMask::Create
// Create a mask from a bitmap and a palette index indicating
// the transparent area
-bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
+bool wxMask::Create(
+ const wxBitmap& rBitmap
+, int nPaletteIndex
+)
{
-// TODO
- return FALSE;
-}
+ if (m_hMaskBitmap)
+ {
+ ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap);
+ m_hMaskBitmap = 0;
+ }
+ if (rBitmap.Ok() && rBitmap.GetPalette()->Ok())
+ {
+ unsigned char cRed;
+ unsigned char cGreen;
+ unsigned char cBlue;
+
+ if (rBitmap.GetPalette()->GetRGB( nPaletteIndex
+ ,&cRed
+ ,&cGreen
+ ,&cBlue
+ ))
+ {
+ wxColour vTransparentColour( cRed
+ ,cGreen
+ ,cBlue
+ );
+
+ return (Create( rBitmap
+ ,vTransparentColour
+ ));
+ }
+ }
+ return(FALSE);
+} // end of wxMask::Create
// Create a mask from a bitmap and a colour indicating
// the transparent area
-bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
+bool wxMask::Create(
+ const wxBitmap& rBitmap
+, const wxColour& rColour
+)
{
-// TODO
- return FALSE;
-}
+ bool bOk = TRUE;
+ COLORREF vMaskColour = OS2RGB( rColour.Red()
+ ,rColour.Green()
+ ,rColour.Blue()
+ );
+ BITMAPINFOHEADER2 vBmih;
+ SIZEL vSize = {0, 0};
+ DEVOPENSTRUC vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL };
+ HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC);
+ HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC);
+
+ if (m_hMaskBitmap)
+ {
+ ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap);
+ m_hMaskBitmap = 0;
+ }
+ if (!rBitmap.Ok())
+ {
+ return(FALSE);
+ }
-/*
- * wxBitmapHandler
- */
+ //
+ // Scan the bitmap for the transparent colour and set
+ // the corresponding pixels in the mask to BLACK and
+ // the rest to WHITE
+ //
+
+ memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2));
+ vBmih.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmih.cx = rBitmap.GetWidth();
+ vBmih.cy = rBitmap.GetHeight();
+ vBmih.cPlanes = 1;
+ vBmih.cBitCount = 1;
+
+ m_hMaskBitmap = ::GpiCreateBitmap( hPSDst
+ ,&vBmih
+ ,0L
+ ,NULL
+ ,NULL
+ );
+
+ ::GpiSetBitmap(hPSSrc, (HBITMAP) rBitmap.GetHBITMAP());
+ ::GpiSetBitmap(hPSDst, (HBITMAP) m_hMaskBitmap);
+
+ //
+ // This is not very efficient, but I can't think
+ // of a better way of doing it
+ //
+ for (int w = 0; w < rBitmap.GetWidth(); w++)
+ {
+ for (int h = 0; h < rBitmap.GetHeight(); h++)
+ {
+ POINTL vPt = {w, h};
+ COLORREF vCol = (COLORREF)::GpiQueryPel(hPSSrc, &vPt);
+ if (vCol == (COLORREF)CLR_NOINDEX)
+ {
+ //
+ // Doesn't make sense to continue
+ //
+ bOk = FALSE;
+ break;
+ }
+
+ if (vCol == vMaskColour)
+ {
+ ::GpiSetColor(hPSDst, OS2RGB(0, 0, 0));
+ ::GpiSetPel(hPSDst, &vPt);
+ }
+ else
+ {
+ ::GpiSetColor(hPSDst, OS2RGB(255, 255, 255));
+ ::GpiSetPel(hPSDst, &vPt);
+ }
+ }
+ }
+ ::GpiSetBitmap(hPSSrc, NULL);
+ ::GpiSetBitmap(hPSDst, NULL);
+ ::GpiDestroyPS(hPSSrc);
+ ::GpiDestroyPS(hPSDst);
+ ::DevCloseDC(hDCSrc);
+ ::DevCloseDC(hDCDst);
+ return(TRUE);
+} // end of wxMask::Create
+
+// ----------------------------------------------------------------------------
+// wxBitmapHandler
+// ----------------------------------------------------------------------------
+
+bool wxBitmapHandler::Create(
+ wxGDIImage* pImage
+, void* pData
+, long lFlags
+, int nWidth
+, int nHeight
+, int nDepth
+)
+{
+ wxBitmap* pBitmap = wxDynamicCast( pImage
+ ,wxBitmap
+ );
+
+ return(pBitmap ? Create( pBitmap
+ ,pData
+ ,nWidth
+ ,nHeight
+ ,nDepth
+ ) : FALSE);
+}
-IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
+bool wxBitmapHandler::Load(
+ wxGDIImage* pImage
+, int nId
+, long lFlags
+, int nWidth
+, int nHeight
+)
+{
+ wxBitmap* pBitmap = wxDynamicCast( pImage
+ ,wxBitmap
+ );
+
+ return(pBitmap ? LoadFile( pBitmap
+ ,nId
+ ,lFlags
+ ,nWidth
+ ,nHeight
+ ) : FALSE);
+}
-bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth)
+bool wxBitmapHandler::Save(
+ wxGDIImage* pImage
+, const wxString& rName
+, int lType
+)
{
- return FALSE;
+ wxBitmap* pBitmap = wxDynamicCast( pImage
+ ,wxBitmap
+ );
+
+ return(pBitmap ? SaveFile( pBitmap
+ ,rName
+ ,lType
+ ) : FALSE);
}
-bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long type,
- int desiredWidth, int desiredHeight)
+bool wxBitmapHandler::Create(
+ wxBitmap* WXUNUSED(pBitmap)
+, void* WXUNUSED(pData)
+, long WXUNUSED(lType)
+, int WXUNUSED(nWidth)
+, int WXUNUSED(nHeight)
+, int WXUNUSED(nDepth)
+)
{
- return FALSE;
+ return(FALSE);
}
-bool wxBitmapHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette)
+bool wxBitmapHandler::LoadFile(
+ wxBitmap* WXUNUSED(pBitmap)
+, int WXUNUSED(nId)
+, long WXUNUSED(lType)
+, int WXUNUSED(nDesiredWidth)
+, int WXUNUSED(nDesiredHeight)
+)
{
- return FALSE;
+ return(FALSE);
}
-/*
- * Standard handlers
- */
+bool wxBitmapHandler::SaveFile(
+ wxBitmap* WXUNUSED(pBitmap)
+, const wxString& WXUNUSED(rName)
+, int WXUNUSED(nType)
+, const wxPalette* WXUNUSED(pPalette)
+)
+{
+ return(FALSE);
+}
-/* TODO: bitmap handlers, a bit like this:
-class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
+// ----------------------------------------------------------------------------
+// Utility functions
+// ----------------------------------------------------------------------------
+HBITMAP wxInvertMask(
+ HBITMAP hBmpMask
+, int nWidth
+, int nHeight
+)
{
- DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
-public:
- inline wxBMPResourceHandler()
- {
- m_name = "Windows bitmap resource";
- m_extension = "";
- m_type = wxBITMAP_TYPE_BMP_RESOURCE;
- };
+ HBITMAP hBmpInvMask = 0;
- virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
- int desiredWidth, int desiredHeight);
-};
-IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
-*/
+ wxCHECK_MSG( hBmpMask, 0, _T("invalid bitmap in wxInvertMask") );
-void wxBitmap::CleanUpHandlers()
-{
- wxNode *node = sm_handlers.First();
- while ( node )
+ //
+ // Get width/height from the bitmap if not given
+ //
+ if (!nWidth || !nHeight)
{
- wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
- wxNode *next = node->Next();
- delete handler;
- delete node;
- node = next;
+ BITMAPINFOHEADER2 vBmhdr;
+
+ ::GpiQueryBitmapInfoHeader( hBmpMask
+ ,&vBmhdr
+ );
+ nWidth = (int)vBmhdr.cx;
+ nHeight = (int)vBmhdr.cy;
}
-}
-void wxBitmap::InitStandardHandlers()
-{
-/* TODO: initialize all standard bitmap or derive class handlers here.
- AddHandler(new wxBMPResourceHandler);
- AddHandler(new wxBMPFileHandler);
- AddHandler(new wxXPMFileHandler);
- AddHandler(new wxXPMDataHandler);
- AddHandler(new wxICOResourceHandler);
- AddHandler(new wxICOFileHandler);
-*/
-}
+ BITMAPINFOHEADER2 vBmih;
+ SIZEL vSize = {0, 0};
+ DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+ HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+ HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC);
+ HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC);
+ POINTL vPoint[4] = { {0 ,0}, {nWidth, nHeight},
+ {0, 0}, {nWidth, nHeight}
+ };
+
+ memset(&vBmih, '\0', 16);
+ vBmih.cbFix = 16;
+ vBmih.cx = nWidth;
+ vBmih.cy = nHeight;
+ vBmih.cPlanes = 1;
+ vBmih.cBitCount = 24;
+
+ hBmpInvMask = ::GpiCreateBitmap( hPSDst
+ ,&vBmih
+ ,0L
+ ,NULL
+ ,NULL
+ );
+
+ ::GpiSetBitmap(hPSSrc, (HBITMAP) hBmpMask);
+ ::GpiSetBitmap(hPSDst, (HBITMAP) hBmpInvMask);
+
+ ::GpiBitBlt( hPSDst
+ ,hPSSrc
+ ,4L
+ ,vPoint
+ ,ROP_SRCINVERT
+ ,BBO_IGNORE
+ );
+
+ ::GpiDestroyPS(hPSSrc);
+ ::GpiDestroyPS(hPSDst);
+ ::DevCloseDC(hDCSrc);
+ ::DevCloseDC(hDCDst);
+
+ return hBmpInvMask;
+} // end of WxWinGdi_InvertMask
+
projects / wxWidgets.git / blobdiff