// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+#ifdef __GNUG__
+ #pragma implementation "bitmap.h"
+#endif
+
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
//#include "wx/msw/dib.h"
#include "wx/image.h"
+#include "wx/xpmdecod.h"
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARIES
IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject)
IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
-#endif
// ============================================================================
// implementation
m_pSelectedInto = NULL;
m_nNumColors = 0;
m_pBitmapMask = NULL;
-}
+ m_hBitmap = (WXHBITMAP) NULL;
+} // end of wxBitmapRefData::wxBitmapRefData
void wxBitmapRefData::Free()
{
delete m_pBitmapMask;
m_pBitmapMask = NULL;
-}
+} // end of wxBitmapRefData::Free
// ----------------------------------------------------------------------------
// wxBitmap creation
if (wxTheBitmapList)
wxTheBitmapList->AddBitmap(this);
-}
+} // end of wxBitmap::Init
bool wxBitmap::CopyFromIconOrCursor(
const wxGDIImage& rIcon
)
{
+ HPOINTER hIcon = (HPOINTER)rIcon.GetHandle();
+ POINTERINFO SIconInfo;
+
+ if (!::WinQueryPointerInfo(hIcon, &SIconInfo))
+ {
+ wxLogLastError(wxT("WinQueryPointerInfo"));
+ return FALSE;
+ }
wxBitmapRefData* pRefData = new wxBitmapRefData;
m_refData = pRefData;
- refData->m_width = rIcon.GetWidth();
- refData->m_height = rIcon.GetHeight();
- refData->m_depth = wxDisplayDepth();
+ int nWidth = rIcon.GetWidth();
+ int nHeight = rIcon.GetHeight();
- refData->m_hBitmap = (WXHBITMAP)rIcon.GetHandle();
- // no mask???
- refData->m_bitmapMask = new wxMask();
+ pRefData->m_nWidth = nWidth;
+ pRefData->m_nHeight = nHeight;
+ pRefData->m_nDepth = wxDisplayDepth();
-#if WXWIN_COMPATIBILITY_2
- refData->m_ok = TRUE;
-#endif // WXWIN_COMPATIBILITY_2
+ pRefData->m_hBitmap = (WXHBITMAP)SIconInfo.hbmColor;
+ //
+ // No mask in the Info struct in OS/2
+ //
return(TRUE);
-}
+} // end of wxBitmap::CopyFromIconOrCursor
bool wxBitmap::CopyFromCursor(
const wxCursor& rCursor
if (!rCursor.Ok())
return(FALSE);
- return CopyFromIconOrCursor(wxGDIImage)rCursor);
-}
+ return(CopyFromIconOrCursor(rCursor));
+} // end of wxBitmap::CopyFromCursor
bool wxBitmap::CopyFromIcon(
const wxIcon& rIcon
if (!rIcon.Ok())
return(FALSE);
-#if WXWIN_COMPATIBILITY_2
- refData->m_ok = TRUE;
-#endif // WXWIN_COMPATIBILITY_2
-
- return CopyFromIconOrCursor(icon);
-}
+ return CopyFromIconOrCursor(rIcon);
+} // end of wxBitmap::CopyFromIcon
wxBitmap::~wxBitmap()
{
if (wxTheBitmapList)
wxTheBitmapList->DeleteObject(this);
-}
+} // end of wxBitmap::~wxBitmap
wxBitmap::wxBitmap(
const char zBits[]
BITMAPINFO2 vInfo;
HDC hDc;
HPS hPs;
- DEVOPENSTRUCT vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL };
+ DEVOPENSTRUC vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL };
SIZEL vSize = {0, 0};
- wxAssert(vHabmain != NULL);
+ wxASSERT(vHabmain != NULL);
hDc = ::DevOpenDC(vHabmain, OD_MEMORY, (PSZ)"*", 1L, (PDEVOPENDATA)&vDop, 0L);
vHeader.ulColorEncoding = 0;
vHeader.ulIdentifier = 0;
- hPs = ::GpiCreatePS(habMain, hdc, &vSize, GPIA_ASSOC | PU_PELS);
+ hPs = ::GpiCreatePS(vHabmain, hDc, &vSize, GPIA_ASSOC | PU_PELS);
if (hPs == 0)
{
wxLogLastError("GpiCreatePS Failure");
}
- m_hDc = hDc;
- m_hPs = hPs;
-
m_refData = pRefData;
- refData->m_width = nTheWidth;
- refData->m_height = nTheHeight;
- refData->m_depth = nNoBits;
- refData->m_numColors = 0;
- refData->m_selectedInto = NULL;
+ pRefData->m_nWidth = nTheWidth;
+ pRefData->m_nHeight = nTheHeight;
+ pRefData->m_nDepth = nNoBits;
+ pRefData->m_nNumColors = 0;
+ pRefData->m_pSelectedInto = NULL;
HBITMAP hBmp = ::GpiCreateBitmap(hPs, &vHeader, 0L, NULL, &vInfo);
- if ( !hbmp )
+ if (!hBmp)
{
wxLogLastError("CreateBitmap");
}
- SetHBITMAP((WXHBITMAP)hbmp);
-}
-
-// Create from XPM data
-wxBitmap::wxBitmap(
- char** ppData
-, wxControl* WXUNUSED(pAnItem))
-{
- Init();
-
-F (void)Create( (void *)ppData
- ,wxBITMAP_TYPE_XPM_DATA
- ,0
- ,0
- ,0
- );
-}
+ SetHBITMAP((WXHBITMAP)hBmp);
+} // end of wxBitmap::wxBitmap
wxBitmap::wxBitmap(
int nW
,nH
,nD
);
-}
+} // end of wxBitmap::wxBitmap
wxBitmap::wxBitmap(
void* pData
,nHeight
,nDepth
);
-}
+} // end of wxBitmap::wxBitmap
wxBitmap::wxBitmap(
const wxString& rFilename
LoadFile( rFilename
,(int)lType
);
-}
+} // end of wxBitmap::wxBitmap
bool wxBitmap::Create(
int nW
{
HBITMAP hBmp;
BITMAPINFOHEADER2 vHeader;
- BITMAPINFO2 vInfo;
- HPS hpsScreen;
- HDC hdcScreen;
- DEVOPENSTRUCT vDop = { NULL, "DISPLAY", NULL, NULL, NULL, NULL, NULL, NULL, NULL };
- SIZEL vSize = {0, 0};
- LONG lBitCount;
-
- wxAssert(vHabmain != NULL);
-
- hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
- hdcScreen = ::GpiQueryDevice(hpsScreen);
- ::DevQueryCaps(hdcScreen, CAPS_COLOR_BITCOUNT, &lBitCount);
-
- vHeader.cbFix = sizeof(vHeader);
- vHeader.cx = (USHORT)nW;
- vHeader.cy = (USHORT)nH;
- vHeader.cPlanes = (USHORT)nD;
- vHeader.cBitCount = lBitCount;
- 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;
-
+ wxASSERT(vHabmain != NULL);
UnRef();
m_refData = new wxBitmapRefData;
-
- GetBitmapData()->m_width = nW;
- GetBitmapData()->m_height = nH;
- GetBitmapData()->m_depth = nD;
+ GetBitmapData()->m_nWidth = nW;
+ GetBitmapData()->m_nHeight = nH;
+ GetBitmapData()->m_nDepth = nD;
if (nD > 0)
{
- hBmp = ::GpiCreateBitmap(hpsScreen, &vHeader, 0L, NULL, &vInfo);
- if (!hBmp)
- {
- wxLogLastError("CreateBitmap");
- }
+ 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);
+
+ memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2));
+ vHeader.cbFix = sizeof(BITMAPINFOHEADER2);
+ vHeader.cx = nW;
+ vHeader.cy = nH;
+ vHeader.cPlanes = 1;
+ vHeader.cBitCount = nD;
+
+ hBmp = ::GpiCreateBitmap( hPS
+ ,&vHeader
+ ,0L
+ ,NULL
+ ,NULL
+ );
+ ::GpiDestroyPS(hPS);
+ ::DevCloseDC(hDC);
}
else
{
- LONG lPlanes;
-
- ::DevQueryCaps(hdcScreen, CAPS_COLOR_PLANES, &lPlanes);
- hBmp = ::GpiCreateBitmap(hpsScreen, &vHeader, 0L, NULL, &vInfo);
- if (!hBmp)
- {
- wxLogLastError("CreateBitmap");
- }
- GetBitmapData()->m_depth = wxDisplayDepth();
+ HPS hPSScreen;
+ HDC hDCScreen;
+ LONG lBitCount;
+
+ hPSScreen = ::WinGetScreenPS(HWND_DESKTOP);
+ hDCScreen = ::GpiQueryDevice(hPSScreen);
+ ::DevQueryCaps(hDCScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitCount);
+
+ memset(&vHeader, '\0', sizeof(BITMAPINFOHEADER2));
+ vHeader.cbFix = sizeof(BITMAPINFOHEADER2);
+ 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);
#endif // WXWIN_COMPATIBILITY_2
return Ok();
-}
+} // end of wxBitmap::Create
+
+bool wxBitmap::CreateFromXpm(
+ const char** ppData
+)
+{
+#if wxUSE_IMAGE && wxUSE_XPM
+ Init();
+
+ wxCHECK_MSG(ppData != NULL, FALSE, wxT("invalid bitmap data"))
+
+ wxXPMDecoder vDecoder;
+ wxImage vImg = vDecoder.ReadData(ppData);
+
+ wxCHECK_MSG(vImg.Ok(), FALSE, wxT("invalid bitmap data"))
+
+ *this = wxBitmap(vImg);
+ return TRUE;
+#else
+ return FALSE;
+#endif
+} // end of wxBitmap::CreateFromXpm
bool wxBitmap::LoadFile(
const wxString& rFilename
, long lType
)
{
+ HPS hPs = NULLHANDLE;
+
UnRef();
wxBitmapHandler* pHandler = wxDynamicCast( FindHandler(lType)
return(pHandler->LoadFile( this
,rFilename
+ ,hPs
,lType
, -1
, -1
- );
+ ));
}
else
{
wxImage vImage;
- if (!vImage.LoadFile(rFilename, lType) || !image.Ok() )
+ if (!vImage.LoadFile(rFilename, lType) || !vImage.Ok() )
return(FALSE);
- *this = vImage.ConvertToBitmap();
+ *this = wxBitmap(vImage);
return(TRUE);
}
-}
+} // end of wxBitmap::LoadFile
bool wxBitmap::Create(
void* pData
if (!pHandler)
{
wxLogDebug(wxT("Failed to create bitmap: no bitmap handler for "
- "type %d defined."), type);
+ "type %d defined."), lType);
return(FALSE);
}
m_refData = new wxBitmapRefData;
- return(handler->Create( this
- ,pData
- ,lType
- ,nWidth
- ,nHeight
- ,nDepth
- ));
-}
+ return(pHandler->Create( this
+ ,pData
+ ,lType
+ ,nWidth
+ ,nHeight
+ ,nDepth
+ ));
+} // end of wxBitmap::Create
-bool wxBitmap::SaveFile(
+bool wxBitmap::SaveFile(
const wxString& rFilename
, int lType
, const wxPalette* pPalette
else
{
// FIXME what about palette? shouldn't we use it?
- wxImage vImage(*this);
+ wxImage vImage = ConvertToImage();
if (!vImage.Ok())
return(FALSE);
,lType
));
}
+} // end of wxBitmap::SaveFile
+
+
+// ----------------------------------------------------------------------------
+// wxImage-wxBitmap convertion
+// ----------------------------------------------------------------------------
+
+bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
+{
+ wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
+
+// TODO:
+/*
+ int sizeLimit = 1024*768*3;
+
+ // 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 )
+ {
+ padding = sizeDWORD - lineBoundary;
+ bytePerLine += padding;
+ }
+ // calc the number of DIBs and heights of DIBs
+ int numDIB = 1;
+ int hRemain = 0;
+ int height = sizeLimit/bytePerLine;
+ if( height >= bmpHeight )
+ height = bmpHeight;
+ else
+ {
+ numDIB = bmpHeight / height;
+ hRemain = bmpHeight % height;
+ if( hRemain >0 ) numDIB++;
+ }
+
+ // set bitmap parameters
+ wxBitmap bitmap;
+ wxCHECK_MSG( Ok(), bitmap, wxT("invalid image") );
+ bitmap.SetWidth( width );
+ bitmap.SetHeight( bmpHeight );
+ bitmap.SetDepth( wxDisplayDepth() );
+
+ // 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") );
+ // 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;
+ // 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 memory for DIB") );
+ free( lpDIBh );
+ return bitmap;
+ }
+
+ // 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);
+
+ // 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++ )
+ {
+ 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;
+
+ for( j=0; j<height; j++ )
+ {
+ for( i=0; i<width; i++ )
+ {
+ *(ptbits++) = *(ptdata+2);
+ *(ptbits++) = *(ptdata+1);
+ *(ptbits++) = *(ptdata );
+ ptdata += 3;
+ }
+ for( i=0; i< padding; 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() )
+ {
+ 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++ )
+ {
+ 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;
+ for( int j=0; j<height; j++ )
+ {
+ for(i=0; i<width; i++ )
+ {
+ if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) )
+ {
+ *(ptbits++) = one;
+ *(ptbits++) = one;
+ *(ptbits++) = one;
+ }
+ else
+ {
+ *(ptbits++) = zero;
+ *(ptbits++) = zero;
+ *(ptbits++) = zero;
+ }
+ }
+ for( i=0; i< padding; i++ ) *(ptbits++) = zero;
+ }
+ ::StretchDIBits( memdc, 0, origin, width, height,\
+ 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY);
+ origin += height;
+ }
+ // create a wxMask object
+ wxMask *mask = new wxMask();
+ mask->SetMaskBitmap( (WXHBITMAP) hbitmap );
+ bitmap.SetMask( mask );
+ }
+
+ // 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 );
+*/
+
+ return TRUE;
+}
+
+wxImage wxBitmap::ConvertToImage() const
+{
+ wxImage image;
+
+ 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 )
+ {
+ wxFAIL_MSG( wxT("could not allocate data for image") );
+ return wxNullImage;
+ }
+
+ // 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 )
+ {
+ 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;
+ }
+
+ // 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 DIB data into the wxImage object
+ int i, j;
+ unsigned char *ptdata = data;
+ unsigned char *ptbits = lpBits;
+ for( i=0; i<height; i++ )
+ {
+ for( j=0; j<width; j++ )
+ {
+ *(ptdata++) = *(ptbits+2);
+ *(ptdata++) = *(ptbits+1);
+ *(ptdata++) = *(ptbits );
+ ptbits += 3;
+ }
+ ptbits += padding;
+ }
+
+ // similarly, set data according to the possible mask bitmap
+ if( bitmap.GetMask() && bitmap.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;
+ ptbits = lpBits;
+ for( i=0; i<height; i++ )
+ {
+ for( j=0; j<width; j++ )
+ {
+ if( *ptbits != 0 )
+ ptdata += 3;
+ else
+ {
+ *(ptdata++) = r;
+ *(ptdata++) = g;
+ *(ptdata++) = b;
+ }
+ ptbits += 3;
+ }
+ ptbits += padding;
+ }
+ SetMaskColour( r, g, b );
+ SetMask( TRUE );
+ }
+ else
+ {
+ SetMask( FALSE );
+ }
+ // free allocated resources
+ ::ReleaseDC(NULL, hdc);
+ free(lpDIBh);
+ free(lpBits);
+*/
+
+ return image;
}
+
+// ----------------------------------------------------------------------------
+// sub bitmap extraction
+// ----------------------------------------------------------------------------
+
+wxBitmap wxBitmap::GetSubBitmap(
+ const wxRect& rRect
+) const
+{
+ 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] = { rRect.x, rRect.y,
+ rRect.x + rRect.width, rRect.y + rRect.height,
+ 0, 0, GetWidth(), GetHeight()
+ };
+
+ ::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())
+ {
+ BITMAPINFOHEADER2 vBmih;
+
+ memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2));
+ vBmih.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmih.cx = rRect.width;
+ vBmih.cy = rRect.height;
+ vBmih.cPlanes = 1;
+ vBmih.cBitCount = 1;
+
+ 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);
+ }
+
+ ::GpiSetBitmap(hPSSrc, NULL);
+ ::GpiSetBitmap(hPSDst, NULL);
+ ::GpiDestroyPS(hPSSrc);
+ ::GpiDestroyPS(hPSDst);
+ ::DevCloseDC(hDCSrc);
+ ::DevCloseDC(hDCDst);
+ return vRet;
+} // end of wxBitmap::GetSubBitmap
+
// ----------------------------------------------------------------------------
// wxBitmap accessors
// ----------------------------------------------------------------------------
EnsureHasData();
GetBitmapData()->m_nQuality = nQ;
-}
+} // end of wxBitmap::SetQuality
#if WXWIN_COMPATIBILITY_2
void wxBitmap::SetOk(
EnsureHasData();
GetBitmapData()->m_bOk = bOk;
-}
+} // end of wxBitmap::SetOk
#endif // WXWIN_COMPATIBILITY_2
void wxBitmap::SetPalette(
EnsureHasData();
GetBitmapData()->m_vBitmapPalette = rPalette;
-}
+} // end of wxBitmap::SetPalette
void wxBitmap::SetMask(
wxMask* pMask
EnsureHasData();
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.
+// to the msw intent this is.
+//
wxBitmap wxBitmap::GetBitmapForDC(
wxDC& rDc
) const
,this->GetHeight()
,rDc.GetDepth()
);
+ WXHBITMAP vOldBitmap;
HPS hMemoryPS;
HPS hPs;
POINTL vPoint[4];
- SIZEL vSize = {0,0}
+ SIZEL vSize = {0,0};
- hMemoryPS = ::GpiCreatePS(habMain, (HDC)vMemDC.m_hDc, &vSize, PU_PELS | GPIT_MICRO | GPI_ASSOC);
- hPs = ::GpiCreatePS(habMain, (HDC)rDc.m_hDc, &vSize, PU_PELS | GPIT_MICRO | GPI_ASSOC);
+ 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
- rDc.m_oldBitmap = (WXHBITMAP)::GpiSetBitMap(hPs, (HBITMAP)vTmpBitmap.GetHBITMAP());
- :GpiBitBlt(hPs, hMemoryPS, 4L, vPoint, &vSize, PU_PELS | GPI_ASSOC);
-
- return tmpBitmap;
-}
+ vOldBitmap = (WXHBITMAP)::GpiSetBitmap(hPs, (HBITMAP)vTmpBitmap.GetHBITMAP());
+ ::GpiBitBlt(hPs, hMemoryPS, 4L, vPoint, ROP_SRCCOPY, BBO_IGNORE);
+
+ return(vTmpBitmap);
+} // end of wxBitmap::GetBitmapForDC
// ----------------------------------------------------------------------------
// wxMask
wxMask::wxMask()
{
m_hMaskBitmap = 0;
-}
+} // end of wxMask::wxMask
// Construct a mask from a bitmap and a colour indicating
// the transparent area
Create( rBitmap
,rColour
);
-}
+} // end of wxMask::wxMask
// Construct a mask from a bitmap and a palette index indicating
// the transparent area
Create( rBitmap
,nPaletteIndex
);
-}
+} // end of wxMask::wxMask
// Construct a mask from a mono bitmap (copies the bitmap).
wxMask::wxMask(
{
m_hMaskBitmap = 0;
Create(rBitmap);
-}
+} // end of wxMask::wxMask
wxMask::~wxMask()
{
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
+)
{
- if ( m_maskBitmap )
+ 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)
{
- ::DeleteObject((HBITMAP) m_maskBitmap);
- m_maskBitmap = 0;
+ ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap);
+ m_hMaskBitmap = 0;
}
- if (!bitmap.Ok() || bitmap.GetDepth() != 1)
+ if (!rBitmap.Ok() || rBitmap.GetDepth() != 1)
{
- return FALSE;
+ return(FALSE);
}
- m_maskBitmap = (WXHBITMAP) CreateBitmap(
- bitmap.GetWidth(),
- bitmap.GetHeight(),
- 1, 1, 0
- );
- HDC srcDC = CreateCompatibleDC(0);
- SelectObject(srcDC, (HBITMAP) bitmap.GetHBITMAP());
- HDC destDC = CreateCompatibleDC(0);
- SelectObject(destDC, (HBITMAP) m_maskBitmap);
- BitBlt(destDC, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), srcDC, 0, 0, SRCCOPY);
- SelectObject(srcDC, 0);
- DeleteDC(srcDC);
- SelectObject(destDC, 0);
- DeleteDC(destDC);
- return TRUE;
-}
+
+ 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);
+ ::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
+)
{
- if ( m_maskBitmap )
+ if (m_hMaskBitmap)
{
- ::DeleteObject((HBITMAP) m_maskBitmap);
- m_maskBitmap = 0;
+ ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap);
+ m_hMaskBitmap = 0;
}
- if (bitmap.Ok() && bitmap.GetPalette()->Ok())
+ if (rBitmap.Ok() && rBitmap.GetPalette()->Ok())
{
- unsigned char red, green, blue;
- if (bitmap.GetPalette()->GetRGB(paletteIndex, &red, &green, &blue))
+ unsigned char cRed;
+ unsigned char cGreen;
+ unsigned char cBlue;
+
+ if (rBitmap.GetPalette()->GetRGB( nPaletteIndex
+ ,&cRed
+ ,&cGreen
+ ,&cBlue
+ ))
{
- wxColour transparentColour(red, green, blue);
- return Create(bitmap, transparentColour);
+ wxColour vTransparentColour( cRed
+ ,cGreen
+ ,cBlue
+ );
+
+ return (Create( rBitmap
+ ,vTransparentColour
+ ));
}
}
- return FALSE;
-}
+ 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
+)
{
- if ( m_maskBitmap )
+ 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);
+ POINTL vPoint[4] = { 0 ,0, rBitmap.GetWidth(), rBitmap.GetHeight(),
+ 0, 0, rBitmap.GetWidth(), rBitmap.GetHeight()
+ };
+
+ if (m_hMaskBitmap)
{
- ::DeleteObject((HBITMAP) m_maskBitmap);
- m_maskBitmap = 0;
+ ::GpiDeleteBitmap((HBITMAP) m_hMaskBitmap);
+ m_hMaskBitmap = 0;
}
- if (!bitmap.Ok())
+ if (!rBitmap.Ok())
{
- return FALSE;
+ return(FALSE);
}
- // scan the bitmap for the transparent colour and set
+ //
+ // Scan the bitmap for the transparent colour and set
// the corresponding pixels in the mask to BLACK and
// the rest to WHITE
- COLORREF maskColour = RGB(colour.Red(), colour.Green(), colour.Blue());
- m_maskBitmap = (WXHBITMAP) ::CreateBitmap(
- bitmap.GetWidth(),
- bitmap.GetHeight(),
- 1, 1, 0
- );
- HDC srcDC = ::CreateCompatibleDC(0);
- ::SelectObject(srcDC, (HBITMAP) bitmap.GetHBITMAP());
- HDC destDC = ::CreateCompatibleDC(0);
- ::SelectObject(destDC, (HBITMAP) m_maskBitmap);
-
- // this is not very efficient, but I can't think
+ //
+
+ 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 < bitmap.GetWidth(); w++)
+ //
+ for (int w = 0; w < rBitmap.GetWidth(); w++)
{
- for (int h = 0; h < bitmap.GetHeight(); h++)
+ for (int h = 0; h < rBitmap.GetHeight(); h++)
{
- COLORREF col = GetPixel(srcDC, w, h);
- if (col == maskColour)
+ POINTL vPt = {w, h};
+ COLORREF vCol = (COLORREF)::GpiQueryPel(hPSSrc, &vPt);
+ if (vCol == (COLORREF)CLR_NOINDEX)
{
- ::SetPixel(destDC, w, h, RGB(0, 0, 0));
+ //
+ // Doesn't make sense to continue
+ //
+ bOk = FALSE;
+ break;
+ }
+
+ if (vCol == vMaskColour)
+ {
+ ::GpiSetColor(hPSDst, OS2RGB(0, 0, 0));
+ ::GpiSetPel(hPSDst, &vPt);
}
else
{
- ::SetPixel(destDC, w, h, RGB(255, 255, 255));
+ ::GpiSetColor(hPSDst, OS2RGB(255, 255, 255));
+ ::GpiSetPel(hPSDst, &vPt);
}
}
}
- ::SelectObject(srcDC, 0);
- ::DeleteDC(srcDC);
- ::SelectObject(destDC, 0);
- ::DeleteDC(destDC);
- return TRUE;
-}
+ ::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 *image,
- void *data,
- long flags,
- int width, int height, int depth)
+bool wxBitmapHandler::Create(
+ wxGDIImage* pImage
+, void* pData
+, long lFlags
+, int nWidth
+, int nHeight
+, int nDepth
+)
{
- wxBitmap *bitmap = wxDynamicCast(image, wxBitmap);
-
- return bitmap ? Create(bitmap, data, width, height, depth) : FALSE;
+ wxBitmap* pBitmap = wxDynamicCast( pImage
+ ,wxBitmap
+ );
+
+ return(pBitmap ? Create( pBitmap
+ ,pData
+ ,nWidth
+ ,nHeight
+ ,nDepth
+ ) : FALSE);
}
-bool wxBitmapHandler::Load(wxGDIImage *image,
- const wxString& name,
- long flags,
- int width, int height)
+bool wxBitmapHandler::Load(
+ wxGDIImage* pImage
+, const wxString& rName
+, HPS hPs
+, long lFlags
+, int nWidth
+, int nHeight
+)
{
- wxBitmap *bitmap = wxDynamicCast(image, wxBitmap);
-
- return bitmap ? LoadFile(bitmap, name, flags, width, height) : FALSE;
+ wxBitmap* pBitmap = wxDynamicCast( pImage
+ ,wxBitmap
+ );
+
+ return(pBitmap ? LoadFile( pBitmap
+ ,rName
+ ,hPs
+ ,lFlags
+ ,nWidth
+ ,nHeight
+ ) : FALSE);
}
-bool wxBitmapHandler::Save(wxGDIImage *image,
- const wxString& name,
- int type)
+bool wxBitmapHandler::Save(
+ wxGDIImage* pImage
+, const wxString& rName
+, int lType
+)
{
- wxBitmap *bitmap = wxDynamicCast(image, wxBitmap);
-
- return bitmap ? SaveFile(bitmap, name, type) : FALSE;
+ wxBitmap* pBitmap = wxDynamicCast( pImage
+ ,wxBitmap
+ );
+
+ return(pBitmap ? SaveFile( pBitmap
+ ,rName
+ ,lType
+ ) : FALSE);
}
-bool wxBitmapHandler::Create(wxBitmap *WXUNUSED(bitmap),
- void *WXUNUSED(data),
- long WXUNUSED(type),
- int WXUNUSED(width),
- int WXUNUSED(height),
- int WXUNUSED(depth))
+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::LoadFile(wxBitmap *WXUNUSED(bitmap),
- const wxString& WXUNUSED(name),
- long WXUNUSED(type),
- int WXUNUSED(desiredWidth),
- int WXUNUSED(desiredHeight))
+bool wxBitmapHandler::LoadFile(
+ wxBitmap* WXUNUSED(pBitmap)
+, const wxString& WXUNUSED(rName)
+, HPS WXUNUSED(hPs)
+, long WXUNUSED(lType)
+, int WXUNUSED(nDesiredWidth)
+, int WXUNUSED(nDesiredHeight)
+)
{
- return FALSE;
+ return(FALSE);
}
-bool wxBitmapHandler::SaveFile(wxBitmap *WXUNUSED(bitmap),
- const wxString& WXUNUSED(name),
- int WXUNUSED(type),
- const wxPalette *WXUNUSED(palette))
+bool wxBitmapHandler::SaveFile(
+ wxBitmap* WXUNUSED(pBitmap)
+, const wxString& WXUNUSED(rName)
+, int WXUNUSED(nType)
+, const wxPalette* WXUNUSED(pPalette)
+)
{
- return FALSE;
+ return(FALSE);
}
// ----------------------------------------------------------------------------
-// DIB functions
+// Utility functions
// ----------------------------------------------------------------------------
-
-bool wxCreateDIB(long xSize, long ySize, long bitsPerPixel,
- HPALETTE hPal, LPBITMAPINFO* lpDIBHeader)
+HBITMAP wxInvertMask(
+ HBITMAP hBmpMask
+, int nWidth
+, int nHeight
+)
{
- unsigned long i, headerSize;
- LPBITMAPINFO lpDIBheader = NULL;
- LPPALETTEENTRY lpPe = NULL;
-
+ HBITMAP hBmpInvMask = 0;
- // Allocate space for a DIB header
- headerSize = (sizeof(BITMAPINFOHEADER) + (256 * sizeof(PALETTEENTRY)));
- lpDIBheader = (BITMAPINFO *) malloc(headerSize);
- lpPe = (PALETTEENTRY *)((BYTE*)lpDIBheader + sizeof(BITMAPINFOHEADER));
+ wxCHECK_MSG( hBmpMask, 0, _T("invalid bitmap in wxInvertMask") );
- GetPaletteEntries(hPal, 0, 256, lpPe);
-
- memset(lpDIBheader, 0x00, sizeof(BITMAPINFOHEADER));
-
- // Fill in the static parts of the DIB header
- lpDIBheader->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- lpDIBheader->bmiHeader.biWidth = xSize;
- lpDIBheader->bmiHeader.biHeight = ySize;
- lpDIBheader->bmiHeader.biPlanes = 1;
-
- // this value must be 1, 4, 8 or 24 so PixelDepth can only be
- lpDIBheader->bmiHeader.biBitCount = (WORD)(bitsPerPixel);
- lpDIBheader->bmiHeader.biCompression = BI_RGB;
- lpDIBheader->bmiHeader.biSizeImage = xSize * abs(ySize) * bitsPerPixel >> 3;
- lpDIBheader->bmiHeader.biClrUsed = 256;
-
-
- // Initialize the DIB palette
- for (i = 0; i < 256; i++) {
- lpDIBheader->bmiColors[i].rgbReserved = lpPe[i].peFlags;
- lpDIBheader->bmiColors[i].rgbRed = lpPe[i].peRed;
- lpDIBheader->bmiColors[i].rgbGreen = lpPe[i].peGreen;
- lpDIBheader->bmiColors[i].rgbBlue = lpPe[i].peBlue;
- }
-
- *lpDIBHeader = lpDIBheader;
-
- return TRUE;
-}
-
-void wxFreeDIB(LPBITMAPINFO lpDIBHeader)
-{
- free(lpDIBHeader);
-}
+ //
+ // Get width/height from the bitmap if not given
+ //
+ if (!nWidth || !nHeight)
+ {
+ BITMAPINFOHEADER2 vBmhdr;
+ ::GpiQueryBitmapInfoHeader( hBmpMask
+ ,&vBmhdr
+ );
+ nWidth = (int)vBmhdr.cx;
+ nHeight = (int)vBmhdr.cy;
+ }
+ 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', sizeof(BITMAPINFOHEADER2));
+ vBmih.cbFix = sizeof(BITMAPINFOHEADER2);
+ vBmih.cx = nWidth;
+ vBmih.cy = nHeight;
+ vBmih.cPlanes = 1;
+ vBmih.cBitCount = 1;
+
+ 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