Catching up to new common class interfaces.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14961 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
2002-04-05 22:09:25 +00:00
parent 0f5fa11181
commit 3437f881c4
12 changed files with 585 additions and 351 deletions

View File

@@ -68,7 +68,7 @@ void wxBitmapRefData::Free()
if (m_hBitmap)
{
if ( !::GpiDeleteBitmap((HBITMAP)m_hBitmap) )
if (!::GpiDeleteBitmap((HBITMAP)m_hBitmap))
{
wxLogLastError("GpiDeleteBitmap(hbitmap)");
}
@@ -85,10 +85,6 @@ void wxBitmapRefData::Free()
// this function should be called from all wxBitmap ctors
void wxBitmap::Init()
{
// m_refData = NULL; done in the base class ctor
if (wxTheBitmapList)
wxTheBitmapList->AddBitmap(this);
} // end of wxBitmap::Init
bool wxBitmap::CopyFromIconOrCursor(
@@ -147,15 +143,13 @@ bool wxBitmap::CopyFromIcon(
wxBitmap::~wxBitmap()
{
if (wxTheBitmapList)
wxTheBitmapList->DeleteObject(this);
} // end of wxBitmap::~wxBitmap
wxBitmap::wxBitmap(
const char zBits[]
, int nTheWidth
, int nTheHeight
, int nNoBits
, int nWidth
, int nHeight
, int nDepth
)
{
Init();
@@ -167,48 +161,104 @@ wxBitmap::wxBitmap(
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, (PSZ)"*", 1L, (PDEVOPENDATA)&vDop, 0L);
vHeader.cbFix = sizeof(vHeader);
vHeader.cx = (USHORT)nTheWidth;
vHeader.cy = (USHORT)nTheHeight;
vHeader.cPlanes = 1L;
vHeader.cBitCount = nNoBits;
vHeader.ulCompression = BCA_UNCOMP;
vHeader.cxResolution = 0;
vHeader.cyResolution = 0;
vHeader.cclrUsed = 0;
vHeader.cclrImportant = 0;
vHeader.usUnits = BRU_METRIC;
vHeader.usRecording = BRA_BOTTOMUP;
vHeader.usRendering = BRH_NOTHALFTONED;
vHeader.cSize1 = 0;
vHeader.cSize2 = 0;
vHeader.ulColorEncoding = 0;
vHeader.ulIdentifier = 0;
hPs = ::GpiCreatePS(vHabmain, hDc, &vSize, GPIA_ASSOC | PU_PELS);
if (hPs == 0)
{
wxLogLastError("GpiCreatePS Failure");
}
m_refData = pRefData;
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;
pRefData->m_nWidth = nTheWidth;
pRefData->m_nHeight = nTheHeight;
pRefData->m_nDepth = nNoBits;
pRefData->m_nNumColors = 0;
pRefData->m_pSelectedInto = NULL;
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
}
memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2));
vHeader.cbFix = sizeof(vHeader);
vHeader.cx = (USHORT)nWidth;
vHeader.cy = (USHORT)nHeight;
vHeader.cPlanes = 1L;
vHeader.cBitCount = nDepth;
vHeader.usReserved = 0;
vHeader.ulCompression = BCA_UNCOMP;
vHeader.usRecording = BRA_BOTTOMUP;
vHeader.usRendering = BRH_NOTHALFTONED;
vHeader.ulColorEncoding = BCE_RGB;
vHeader.ulIdentifier = 0;
memset(&vInfo, '\0', sizeof(BITMAPINFO2));
vInfo.cbFix = sizeof(vInfo);
vInfo.cx = (USHORT)nWidth;
vInfo.cy = (USHORT)nHeight;
vInfo.cPlanes = 1L;
vInfo.cBitCount = nDepth;
vInfo.usReserved = 0;
vInfo.ulCompression = BCA_UNCOMP;
vInfo.usRecording = BRA_BOTTOMUP;
vInfo.usRendering = BRH_NOTHALFTONED;
vInfo.ulColorEncoding = BCE_RGB;
vInfo.ulIdentifier = 0;
HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, CBM_INIT, (PBYTE)pzData, &vInfo);
HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, 0L, NULL, &vInfo);
if (!hBmp)
{
wxLogLastError("CreateBitmap");
}
::WinReleasePS(hPs);
SetHBITMAP((WXHBITMAP)hBmp);
} // end of wxBitmap::wxBitmap
@@ -460,335 +510,493 @@ bool wxBitmap::SaveFile(
// wxImage-wxBitmap convertion
// ----------------------------------------------------------------------------
bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
bool wxBitmap::CreateFromImage (
const wxImage& rImage
, int nDepth
)
{
wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
wxCHECK_MSG(rImage.Ok(), FALSE, wxT("invalid image"));
// TODO:
/*
int sizeLimit = 1024*768*3;
int nSizeLimit = 1024 * 768 * 3;
int nWidth = GetWidth();
int nBmpHeight = GetHeight();
int nBytePerLine = nWidth * 3;
int nSizeDWORD = sizeof(DWORD);
int nLineBoundary = nBytePerLine % nSizeDWORD;
int nPadding = 0;
// width and height of the device-dependent bitmap
int width = GetWidth();
int bmpHeight = GetHeight();
// calc the number of bytes per scanline and padding
int bytePerLine = width*3;
int sizeDWORD = sizeof( DWORD );
int lineBoundary = bytePerLine % sizeDWORD;
int padding = 0;
if( lineBoundary > 0 )
if (nLineBoundary > 0)
{
padding = sizeDWORD - lineBoundary;
bytePerLine += padding;
nPadding = nSizeDWORD - nLineBoundary;
nBytePerLine += nPadding;
}
// calc the number of DIBs and heights of DIBs
int numDIB = 1;
int hRemain = 0;
int height = sizeLimit/bytePerLine;
if( height >= bmpHeight )
height = bmpHeight;
//
// Calc the number of DIBs and heights of DIBs
//
int nNumDIB = 1;
int nHRemain = 0;
int nHeight = nSizeLimit / nBytePerLine;
if (nHeight >= nBmpHeight)
nHeight = nBmpHeight;
else
{
numDIB = bmpHeight / height;
hRemain = bmpHeight % height;
if( hRemain >0 ) numDIB++;
nNumDIB = nBmpHeight / nHeight;
nHRemain = nBmpHeight % nHeight;
if (nHRemain > 0)
nNumDIB++;
}
// set bitmap parameters
wxBitmap bitmap;
wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") );
bitmap.SetWidth( width );
bitmap.SetHeight( bmpHeight );
bitmap.SetDepth( wxDisplayDepth() );
//
// Set bitmap parameters
//
wxCHECK_MSG(rImage.Ok(), FALSE, wxT("invalid image"));
SetWidth(nWidth);
SetHeight(nBmpHeight);
if (nDepth == -1)
nDepth = wxDisplayDepth();
SetDepth(nDepth);
// create a DIB header
int headersize = sizeof(BITMAPINFOHEADER);
LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
wxCHECK_MSG( lpDIBh, bitmap, wxT("could not allocate memory for DIB header") );
#if wxUSE_PALETTE
//
// Copy the palette from the source image
//
SetPalette(rImage.GetPalette());
#endif // wxUSE_PALETTE
//
// Create a DIB header
//
BITMAPINFOHEADER2 vHeader;
//
// Fill in the DIB header
lpDIBh->bmiHeader.biSize = headersize;
lpDIBh->bmiHeader.biWidth = (DWORD)width;
lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
// the general formula for biSizeImage:
// ( ( ( ((DWORD)width*24) +31 ) & ~31 ) >> 3 ) * height;
lpDIBh->bmiHeader.biPlanes = 1;
lpDIBh->bmiHeader.biBitCount = 24;
lpDIBh->bmiHeader.biCompression = BI_RGB;
lpDIBh->bmiHeader.biClrUsed = 0;
//
memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2));
vHeader.cbFix = sizeof(vHeader);
vHeader.cx = (USHORT)nWidth;
vHeader.cy = (USHORT)nHeight;
vHeader.cPlanes = 1L;
vHeader.cBitCount = 24;
vHeader.ulCompression = BCA_UNCOMP;
vHeader.cbImage = nBytePerLine * nHeight;
vHeader.cclrUsed = 0;
//
// These seem not really needed for our purpose here.
lpDIBh->bmiHeader.biClrImportant = 0;
lpDIBh->bmiHeader.biXPelsPerMeter = 0;
lpDIBh->bmiHeader.biYPelsPerMeter = 0;
// memory for DIB data
unsigned char *lpBits;
lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage );
if( !lpBits )
//
vHeader.cxResolution = 0;
vHeader.cyResolution = 0;
vHeader.cclrImportant = 0;
vHeader.usUnits = BRU_METRIC;
vHeader.usReserved = 0;
vHeader.cSize1 = 0;
vHeader.cSize2 = 0;
vHeader.usRecording = BRA_BOTTOMUP;
vHeader.usRendering = BRH_NOTHALFTONED;
vHeader.ulColorEncoding = BCE_RGB;
vHeader.ulIdentifier = 0;
//
// Memory for DIB data
//
unsigned char* pucBits;
pucBits = (unsigned char *)malloc(vHeader.cbImage);
if(!pucBits)
{
wxFAIL_MSG( wxT("could not allocate memory for DIB") );
free( lpDIBh );
return bitmap;
wxFAIL_MSG(wxT("could not allocate memory for DIB"));
return FALSE;
}
// create and set the device-dependent bitmap
HDC hdc = ::GetDC(NULL);
HDC memdc = ::CreateCompatibleDC( hdc );
HBITMAP hbitmap;
hbitmap = ::CreateCompatibleBitmap( hdc, width, bmpHeight );
::SelectObject( memdc, hbitmap);
//
// 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);
HBITMAP hBmp;
HBITMAP hBmpOld;
// copy image data into DIB data and then into DDB (in a loop)
unsigned char *data = GetData();
int i, j, n;
int origin = 0;
unsigned char *ptdata = data;
unsigned char *ptbits;
for( n=0; n<numDIB; n++ )
hBmp = ::GpiCreateBitmap( hPS
,&vHeader
,0L
,NULL
,NULL
);
hBmpOld = ::GpiSetBitmap(hPS, hBmp);
#if wxUSE_PALETTE
HPAL hOldPalette = NULLHANDLE;
if (rImage.GetPalette().Ok())
{
if( numDIB > 1 && n == numDIB-1 && hRemain > 0 )
{
// redefine height and size of the (possibly) last smaller DIB
// memory is not reallocated
height = hRemain;
lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
}
ptbits = lpBits;
hOldPalette = ::GpiSelectPalette(hPS, (HPAL)rImage.GetPalette().GetHPALETTE());
}
#endif // wxUSE_PALETTE
for( j=0; j<height; j++ )
//
// 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;
for (n = 0; n < nNumDIB; n++)
{
if (nNumDIB > 1 && n == nNumDIB - 1 && nHRemain > 0)
{
for( i=0; i<width; i++ )
//
// 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 );
*(ptbits++) = *(ptdata + 2);
*(ptbits++) = *(ptdata + 1);
*(ptbits++) = *(ptdata);
ptdata += 3;
}
for( i=0; i< padding; i++ ) *(ptbits++) = 0;
for (i = 0; i < nPadding; i++)
*(ptbits++) = 0;
}
::StretchDIBits( memdc, 0, origin, width, height,\
0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY);
origin += height;
// if numDIB = 1, lines below can also be used
// hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS );
// The above line is equivalent to the following two lines.
// hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
// ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS);
// or the following lines
// hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
// HDC memdc = ::CreateCompatibleDC( hdc );
// ::SelectObject( memdc, hbitmap);
// ::SetDIBitsToDevice( memdc, 0, 0, width, height,
// 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS);
// ::SelectObject( memdc, 0 );
// ::DeleteDC( memdc );
}
bitmap.SetHBITMAP( (WXHBITMAP) hbitmap );
// similarly, created an mono-bitmap for the possible mask
if( HasMask() )
//
// Have to do something similar to WIN32's StretchDIBits, use GpiBitBlt
//
POINTL vPoint[4] = { 0, nOrigin,
nWidth, nHeight,
0, 0, nWidth, nHeight
};
::GpiBitBlt( hPS
,hPS
,4
,vPoint
,ROP_SRCCOPY
,BBO_IGNORE
);
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())
{
hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL );
::SelectObject( memdc, hbitmap);
if( numDIB == 1 ) height = bmpHeight;
else height = sizeLimit/bytePerLine;
lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
origin = 0;
unsigned char r = GetMaskRed();
unsigned char g = GetMaskGreen();
unsigned char b = GetMaskBlue();
unsigned char zero = 0, one = 255;
ptdata = data;
for( n=0; n<numDIB; n++ )
memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2));
vHeader.cbFix = sizeof(BITMAPINFOHEADER2);
vHeader.cx = nWidth;
vHeader.cy = nHeight;
vHeader.cPlanes = 1;
vHeader.cBitCount = 1;
hBmp = ::GpiCreateBitmap( hPS
,&vHeader
,0L
,NULL
,NULL
);
hBmpOld = ::GpiSetBitmap(hPS, hBmp);
if (nNumDIB == 1)
nHeight = nBmpHeight;
else
nHeight = nSizeLimit / nBytePerLine;
vHeader.cy = (DWORD)(nHeight);
vHeader.cbImage = nBytePerLine * 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( numDIB > 1 && n == numDIB - 1 && hRemain > 0 )
if (nNumDIB > 1 && n == nNumDIB - 1 && nHRemain > 0)
{
// redefine height and size of the (possibly) last smaller DIB
//
// Redefine height and size of the (possibly) last smaller DIB
// memory is not reallocated
height = hRemain;
lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
//
nHeight = nHRemain;
vHeader.cy = (DWORD)(nHeight);
vHeader.cbImage = nBytePerLine * nHeight;
}
ptbits = lpBits;
for( int j=0; j<height; j++ )
ptbits = pucBits;
for (int j = 0; j < nHeight; j++)
{
for(i=0; i<width; i++ )
for (i = 0; i < nWidth; i++)
{
if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) )
if ((*(ptdata++) != cRed) || (*(ptdata++) != cGreen) || (*(ptdata++) != cBlue))
{
*(ptbits++) = one;
*(ptbits++) = one;
*(ptbits++) = one;
*(ptbits++) = cOne;
*(ptbits++) = cOne;
*(ptbits++) = cOne;
}
else
{
*(ptbits++) = zero;
*(ptbits++) = zero;
*(ptbits++) = zero;
*(ptbits++) = cZero;
*(ptbits++) = cZero;
*(ptbits++) = cZero;
}
}
for( i=0; i< padding; i++ ) *(ptbits++) = zero;
for (i = 0; i < nPadding; i++)
*(ptbits++) = cZero;
}
::StretchDIBits( memdc, 0, origin, width, height,\
0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY);
origin += height;
POINTL vPoint[4] = { 0, nOrigin,
nWidth, nHeight,
0, 0, nWidth, nHeight
};
::GpiBitBlt( hPS
,hPS
,4
,vPoint
,ROP_SRCCOPY
,BBO_IGNORE
);
nOrigin += nHeight;
}
// create a wxMask object
wxMask *mask = new wxMask();
mask->SetMaskBitmap( (WXHBITMAP) hbitmap );
bitmap.SetMask( mask );
//
// Create a wxMask object
//
wxMask* pMask = new wxMask();
pMask->SetMaskBitmap((WXHBITMAP)hBmp);
SetMask(pMask);
hBmpOld = ::GpiSetBitmap(hPS, hBmp);
}
// free allocated resources
::SelectObject( memdc, 0 );
::DeleteDC( memdc );
::ReleaseDC(NULL, hdc);
free(lpDIBh);
free(lpBits);
// check the wxBitmap object
if( bitmap.GetHBITMAP() )
bitmap.SetOk( TRUE );
else
bitmap.SetOk( FALSE );
*/
//
// Free allocated resources
//
::GpiSetBitmap(hPS, NULLHANDLE);
::GpiDestroyPS(hPS);
::DevCloseDC(hDC);
free(pucBits);
return TRUE;
}
} // end of wxBitmap::CreateFromImage
wxImage wxBitmap::ConvertToImage() const
{
wxImage image;
wxImage vImage;
wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
// create an wxImage object
int width = GetWidth();
int height = GetHeight();
image.Create( width, height );
unsigned char *data = image.GetData();
if( !data )
//
// 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;
HDC hDCMem;
PSZ pszData[4] = { "Display", NULL, NULL, NULL };
HPS hPSMem;
HPS hPS;
SIZEL vSizlPage = {0,0};
HBITMAP hBitmap;
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', sizeof(BITMAPINFOHEADER2));
vDIBh.cbFix = sizeof(BITMAPINFOHEADER2);
vDIBh.cx = nWidth;
vDIBh.cy = nHeight;
vDIBh.cPlanes = 1;
vDIBh.cbImage = nBytePerLine * nHeight;
vDIBh.cBitCount = 24;
// calc the number of bytes per scanline and padding in the DIB
int bytePerLine = width*3;
int sizeDWORD = sizeof( DWORD );
int lineBoundary = bytePerLine % sizeDWORD;
int padding = 0;
if( lineBoundary > 0 )
memset(&vDIBInfo, '\0', sizeof(BITMAPINFO2));
vDIBInfo.cbFix = sizeof(BITMAPINFO2);
vDIBInfo.cPlanes = 1;
vDIBInfo.cBitCount = 24;
vDIBInfo.ulCompression = BCA_UNCOMP;
vDIBInfo.usReserved = 0;
vDIBInfo.usRecording = BRA_BOTTOMUP;
vDIBInfo.usRendering = BRH_NOTHALFTONED;
vDIBInfo.ulColorEncoding = BCE_RGB;
vDIBInfo.ulIdentifier = 0;
lpBits = (unsigned char *)malloc(vDIBh.cbImage);
if (!lpBits)
{
padding = sizeDWORD - lineBoundary;
bytePerLine += padding;
}
// TODO:
/*
// create a DIB header
int headersize = sizeof(BITMAPINFOHEADER);
LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
if( !lpDIBh )
{
wxFAIL_MSG( wxT("could not allocate data for DIB header") );
free( data );
return;
}
// Fill in the DIB header
lpDIBh->bmiHeader.biSize = headersize;
lpDIBh->bmiHeader.biWidth = width;
lpDIBh->bmiHeader.biHeight = -height;
lpDIBh->bmiHeader.biSizeImage = bytePerLine * height;
lpDIBh->bmiHeader.biPlanes = 1;
lpDIBh->bmiHeader.biBitCount = 24;
lpDIBh->bmiHeader.biCompression = BI_RGB;
lpDIBh->bmiHeader.biClrUsed = 0;
// These seem not really needed for our purpose here.
lpDIBh->bmiHeader.biClrImportant = 0;
lpDIBh->bmiHeader.biXPelsPerMeter = 0;
lpDIBh->bmiHeader.biYPelsPerMeter = 0;
// memory for DIB data
unsigned char *lpBits;
lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage );
if( !lpBits )
{
wxFAIL_MSG( wxT("could not allocate data for DIB") );
free( data );
free( lpDIBh );
return;
wxFAIL_MSG(wxT("could not allocate data for DIB"));
free(pData);
return wxNullImage;
}
// copy data from the device-dependent bitmap to the DIB
HDC hdc = ::GetDC(NULL);
HBITMAP hbitmap;
hbitmap = (HBITMAP) bitmap.GetHBITMAP();
::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
//
// Copy data from the device-dependent bitmap to the DIB
//
hDCMem = ::DevOpenDC( vHabmain
,OD_MEMORY
,"*"
,4
,(PDEVOPENDATA)pszData
,NULLHANDLE
);
hPSMem = ::GpiCreatePS( vHabmain
,hDCMem
,&vSizlPage
,PU_PELS | GPIA_ASSOC | GPIT_MICRO
);
hBitmap = ::GpiCreateBitmap( hPSMem
,&vDIBh
,0L
,NULL
,NULL
);
lScans = ::GpiQueryBitmapBits( hPSMem
,0L
,(LONG)nHeight
,(PBYTE)lpBits
,&vDIBInfo
);
// copy DIB data into the wxImage object
int i, j;
unsigned char *ptdata = data;
unsigned char *ptbits = lpBits;
for( i=0; i<height; i++ )
//
// Copy DIB data into the wxImage object
//
int i;
int j;
unsigned char* ptdata = pData;
unsigned char* ptbits = lpBits;
for (i = 0; i < nHeight; i++)
{
for( j=0; j<width; j++ )
for (j = 0; j < nWidth; j++)
{
*(ptdata++) = *(ptbits+2);
*(ptdata++) = *(ptbits+1);
*(ptdata++) = *(ptbits );
ptbits += 3;
}
ptbits += padding;
ptbits += nPadding;
}
// similarly, set data according to the possible mask bitmap
if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() )
//
// Similarly, set data according to the possible mask bitmap
//
if (GetMask() && GetMask()->GetMaskBitmap())
{
hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap();
// memory DC created, color set, data copied, and memory DC deleted
HDC memdc = ::CreateCompatibleDC( hdc );
::SetTextColor( memdc, RGB( 0, 0, 0 ) );
::SetBkColor( memdc, RGB( 255, 255, 255 ) );
::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
::DeleteDC( memdc );
// background color set to RGB(16,16,16) in consistent with wxGTK
unsigned char r=16, g=16, b=16;
ptdata = data;
hBitmap = (HBITMAP)GetMask()->GetMaskBitmap();
//
// Memory DC/PS created, color set, data copied, and memory DC/PS deleted
//
HDC hMemDC = ::DevOpenDC( vHabmain
,OD_MEMORY
,"*"
,4
,(PDEVOPENDATA)pszData
,NULLHANDLE
);
HPS hMemPS = ::GpiCreatePS( vHabmain
,hMemDC
,&vSizlPage
,PU_PELS | GPIA_ASSOC | GPIT_MICRO
);
::GpiSetColor(hMemPS, OS2RGB(0, 0, 0));
::GpiSetBackColor(hMemPS, OS2RGB(255, 255, 255) );
::GpiQueryBitmapBits( hPSMem
,0L
,(LONG)nHeight
,(PBYTE)lpBits
,&vDIBInfo
);
::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<height; i++ )
for (i = 0; i < nHeight; i++)
{
for( j=0; j<width; j++ )
for (j = 0; j < nWidth; j++)
{
if( *ptbits != 0 )
if (*ptbits != 0)
ptdata += 3;
else
{
*(ptdata++) = r;
*(ptdata++) = g;
*(ptdata++) = b;
*(ptdata++) = ucRed;
*(ptdata++) = ucGreen;
*(ptdata++) = ucBlue;
}
ptbits += 3;
}
ptbits += padding;
ptbits += nPadding;
}
SetMaskColour( r, g, b );
SetMask( TRUE );
vImage.SetMaskColour( ucRed
,ucGreen
,ucBlue
);
vImage.SetMask(TRUE);
}
else
{
SetMask( FALSE );
vImage.SetMask(FALSE);
}
// free allocated resources
::ReleaseDC(NULL, hdc);
free(lpDIBh);
//
// Free allocated resources
//
::GpiDestroyPS(hPSMem);
::DevCloseDC(hDCMem);
free(lpBits);
*/
return image;
}
return vImage;
} // end of wxBitmap::ConvertToImage
// ----------------------------------------------------------------------------
// sub bitmap extraction
@@ -924,34 +1132,11 @@ void wxBitmap::SetMask(
GetBitmapData()->m_pBitmapMask = pMask;
} // end of wxBitmap::SetMask
//
// Will try something for OS/2 but not really sure how close
// to the msw intent this is.
//
wxBitmap wxBitmap::GetBitmapForDC(
wxDC& rDc
) const
{
wxMemoryDC vMemDC;
wxBitmap vTmpBitmap( this->GetWidth()
,this->GetHeight()
,rDc.GetDepth()
);
WXHBITMAP vOldBitmap;
HPS hMemoryPS;
HPS hPs;
POINTL vPoint[4];
SIZEL vSize = {0,0};
hMemoryPS = ::GpiCreatePS(vHabmain, (HDC)vMemDC.GetHDC(), &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
hPs = ::GpiCreatePS(vHabmain, (HDC)rDc.GetHDC(), &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
// TODO: Set the points
vOldBitmap = (WXHBITMAP)::GpiSetBitmap(hPs, (HBITMAP)vTmpBitmap.GetHBITMAP());
::GpiBitBlt(hPs, hMemoryPS, 4L, vPoint, ROP_SRCCOPY, BBO_IGNORE);
return(vTmpBitmap);
return(*this);
} // end of wxBitmap::GetBitmapForDC
// ----------------------------------------------------------------------------
@@ -1361,3 +1546,4 @@ HBITMAP wxInvertMask(
return hBmpInvMask;
} // end of WxWinGdi_InvertMask