X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..67e49a98bbba6793cf1e344477bee9e46d4d5c71:/src/msw/bitmap.cpp diff --git a/src/msw/bitmap.cpp b/src/msw/bitmap.cpp index b5bd43e892..8e8b4e0832 100644 --- a/src/msw/bitmap.cpp +++ b/src/msw/bitmap.cpp @@ -43,8 +43,12 @@ #include "wx/msw/private.h" #include "wx/log.h" +#if !defined(__WXMICROWIN__) #include "wx/msw/dib.h" +#endif + #include "wx/image.h" +#include "wx/xpmdecod.h" // missing from mingw32 header #ifndef CLR_INVALID @@ -111,6 +115,7 @@ void wxBitmap::Init() bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon) { +#ifndef __WXMICROWIN__ // it may be either HICON or HCURSOR HICON hicon = (HICON)icon.GetHandle(); @@ -144,6 +149,9 @@ bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon) #endif // WXWIN_COMPATIBILITY_2 return TRUE; +#else + return FALSE; +#endif } #endif // Win32 @@ -218,6 +226,7 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) { Init(); +#ifndef __WXMICROWIN__ wxBitmapRefData *refData = new wxBitmapRefData; m_refData = refData; @@ -233,9 +242,9 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) // 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! - static const size_t bytesPerLine = (width + 7) / 8; - static const size_t padding = bytesPerLine % 2; - static const size_t len = height * ( padding + bytesPerLine ); + const size_t bytesPerLine = (width + 7) / 8; + const size_t padding = bytesPerLine % 2; + const size_t len = height * ( padding + bytesPerLine ); data = (char *)malloc(len); const char *src = bits; char *dst = data; @@ -278,14 +287,26 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) } SetHBITMAP((WXHBITMAP)hbmp); +#endif } // Create from XPM data bool wxBitmap::CreateFromXpm(const char **data) { +#if wxUSE_IMAGE && wxUSE_XPM Init(); - return Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); + wxCHECK_MSG( data != NULL, FALSE, wxT("invalid bitmap data") ) + + wxXPMDecoder decoder; + wxImage img = decoder.ReadData(data); + wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") ) + + *this = wxBitmap(img); + return TRUE; +#else + return FALSE; +#endif } wxBitmap::wxBitmap(int w, int h, int d) @@ -302,7 +323,7 @@ wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) (void)Create(data, type, width, height, depth); } -wxBitmap::wxBitmap(const wxString& filename, long type) +wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type) { Init(); @@ -311,6 +332,7 @@ wxBitmap::wxBitmap(const wxString& filename, long type) bool wxBitmap::Create(int w, int h, int d) { +#ifndef __WXMICROWIN__ UnRef(); m_refData = new wxBitmapRefData; @@ -346,10 +368,384 @@ bool wxBitmap::Create(int w, int h, int d) #if WXWIN_COMPATIBILITY_2 GetBitmapData()->m_ok = hbmp != 0; #endif // WXWIN_COMPATIBILITY_2 - return Ok(); +#else + return FALSE; +#endif } +// ---------------------------------------------------------------------------- +// wxImage to/from conversions +// ---------------------------------------------------------------------------- + +#if wxUSE_IMAGE + +bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) +{ +#ifdef __WXMICROWIN__ + // TODO + return FALSE; +#else + wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) + + m_refData = new wxBitmapRefData(); + + // sizeLimit is the MS upper limit for the DIB size +#ifdef WIN32 + int sizeLimit = 1024*768*3; +#else + int sizeLimit = 0x7fff ; +#endif + + // width and height of the device-dependent bitmap + int width = image.GetWidth(); + int bmpHeight = image.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 + wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ); + SetWidth( width ); + SetHeight( bmpHeight ); + if (depth == -1) depth = wxDisplayDepth(); + SetDepth( depth ); + + // create a DIB header + int headersize = sizeof(BITMAPINFOHEADER); + BITMAPINFO *lpDIBh = (BITMAPINFO *) malloc( headersize ); + wxCHECK_MSG( lpDIBh, FALSE, 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 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); + + HPALETTE hOldPalette = 0; + if (image.GetPalette().Ok()) + { + hOldPalette = ::SelectPalette(memdc, (HPALETTE) image.GetPalette().GetHPALETTE(), FALSE); + ::RealizePalette(memdc); + } + + // copy image data into DIB data and then into DDB (in a loop) + unsigned char *data = image.GetData(); + int i, j, n; + int origin = 0; + unsigned char *ptdata = data; + unsigned char *ptbits; + + for( n=0; n 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; jbmiHeader), 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 ); + } + SetHBITMAP( (WXHBITMAP) hbitmap ); + + if (hOldPalette) + SelectPalette(memdc, hOldPalette, FALSE); + + // similarly, created an mono-bitmap for the possible mask + if( image.HasMask() ) + { + hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL ); + HGDIOBJ hbmpOld = ::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 = image.GetMaskRed(); + unsigned char g = image.GetMaskGreen(); + unsigned char b = image.GetMaskBlue(); + unsigned char zero = 0, one = 255; + ptdata = data; + for( n=0; n 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; jSetMaskBitmap( (WXHBITMAP) hbitmap ); + SetMask( mask ); + // It will be deleted when the wxBitmap object is deleted (as of 01/1999) + /* The following can also be used but is slow to run + wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue()); + wxMask *mask = new wxMask( *this, colour ); + SetMask( mask ); + */ + + ::SelectObject( memdc, hbmpOld ); + } + + // free allocated resources + ::DeleteDC( memdc ); + ::ReleaseDC(NULL, hdc); + free(lpDIBh); + free(lpBits); + +#if WXWIN_COMPATIBILITY_2 + // check the wxBitmap object + GetBitmapData()->SetOk(); +#endif // WXWIN_COMPATIBILITY_2 + + if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this); + + return TRUE; +#endif +} + +wxImage wxBitmap::ConvertToImage() const +{ +#ifdef __WXMICROWIN__ + // TODO + return wxImage(); +#else + 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; + } + + // create a DIB header + int headersize = sizeof(BITMAPINFOHEADER); + BITMAPINFO *lpDIBh = (BITMAPINFO *) malloc( headersize ); + if( !lpDIBh ) + { + wxFAIL_MSG( wxT("could not allocate data for DIB header") ); + free( data ); + return wxNullImage; + } + // 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 wxNullImage; + } + + // copy data from the device-dependent bitmap to the DIB + HDC hdc = ::GetDC(NULL); + HBITMAP hbitmap; + hbitmap = (HBITMAP) 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; iGetMaskBitmap() ) + { + hbitmap = (HBITMAP) 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; iLoadFile(this, filename, type, -1, -1); } +#if wxUSE_IMAGE else { wxImage image; - if ( !image.LoadFile( filename, type ) || !image.Ok() ) - return FALSE; - - *this = image.ConvertToBitmap(); + if ( image.LoadFile( filename, type ) && image.Ok() ) + { + *this = image.ConvertToBitmap(); - return TRUE; + return TRUE; + } } +#endif // wxUSE_IMAGE + + return FALSE; } bool wxBitmap::Create(void *data, long type, int width, int height, int depth) @@ -400,15 +800,19 @@ bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *pal { return handler->SaveFile(this, filename, type, palette); } +#if wxUSE_IMAGE else { // FIXME what about palette? shouldn't we use it? wxImage image( *this ); - if (!image.Ok()) - return FALSE; - - return image.SaveFile( filename, type ); + if ( image.Ok() ) + { + return image.SaveFile(filename, type); + } } +#endif // wxUSE_IMAGE + + return FALSE; } // ---------------------------------------------------------------------------- @@ -417,6 +821,7 @@ bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *pal wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const { +#ifndef __WXMICROWIN__ wxCHECK_MSG( Ok() && (rect.x >= 0) && (rect.y >= 0) && (rect.x+rect.width <= GetWidth()) && @@ -452,6 +857,9 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const DeleteDC(dcSrc); return ret; +#else + return wxBitmap(); +#endif } // ---------------------------------------------------------------------------- @@ -494,6 +902,9 @@ void wxBitmap::SetMask(wxMask *mask) // Contributed by Frederic Villeneuve wxBitmap wxBitmap::GetBitmapForDC(wxDC& dc) const { +#ifdef __WXMICROWIN__ + return wxBitmap(); +#else wxMemoryDC memDC; wxBitmap tmpBitmap(GetWidth(), GetHeight(), dc.GetDepth()); HPALETTE hPal = (HPALETTE) NULL; @@ -538,6 +949,7 @@ wxBitmap wxBitmap::GetBitmapForDC(wxDC& dc) const wxFreeDIB(lpDib); return tmpBitmap; +#endif } // ---------------------------------------------------------------------------- @@ -581,6 +993,7 @@ wxMask::~wxMask() // Create a mask from a mono bitmap (copies the bitmap). bool wxMask::Create(const wxBitmap& bitmap) { +#ifndef __WXMICROWIN__ wxCHECK_MSG( bitmap.Ok() && bitmap.GetDepth() == 1, FALSE, _T("can't create mask from invalid or not monochrome bitmap") ); @@ -605,6 +1018,9 @@ bool wxMask::Create(const wxBitmap& bitmap) SelectObject(destDC, 0); DeleteDC(destDC); return TRUE; +#else + return FALSE; +#endif } // Create a mask from a bitmap and a palette index indicating @@ -632,6 +1048,7 @@ bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex) // the transparent area bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) { +#ifndef __WXMICROWIN__ wxCHECK_MSG( bitmap.Ok(), FALSE, _T("invalid bitmap in wxMask::Create") ); if ( m_maskBitmap ) @@ -657,6 +1074,10 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) bool ok = TRUE; + // SelectObject() will fail + wxASSERT_MSG( !bitmap.GetSelectedInto(), + _T("bitmap can't be selected in another DC") ); + HGDIOBJ hbmpSrcOld = ::SelectObject(srcDC, GetHbitmapOf(bitmap)); if ( !hbmpSrcOld ) { @@ -707,6 +1128,9 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour) ::DeleteDC(destDC); return ok; +#else + return FALSE; +#endif } // ---------------------------------------------------------------------------- @@ -720,7 +1144,7 @@ bool wxBitmapHandler::Create(wxGDIImage *image, { wxBitmap *bitmap = wxDynamicCast(image, wxBitmap); - return bitmap ? Create(bitmap, data, width, height, depth) : FALSE; + return bitmap ? Create(bitmap, data, flags, width, height, depth) : FALSE; } bool wxBitmapHandler::Load(wxGDIImage *image, @@ -773,6 +1197,7 @@ bool wxBitmapHandler::SaveFile(wxBitmap *WXUNUSED(bitmap), // DIB functions // ---------------------------------------------------------------------------- +#ifndef __WXMICROWIN__ bool wxCreateDIB(long xSize, long ySize, long bitsPerPixel, HPALETTE hPal, LPBITMAPINFO* lpDIBHeader) { @@ -820,6 +1245,7 @@ void wxFreeDIB(LPBITMAPINFO lpDIBHeader) { free(lpDIBHeader); } +#endif // ---------------------------------------------------------------------------- // other helper functions @@ -827,6 +1253,7 @@ void wxFreeDIB(LPBITMAPINFO lpDIBHeader) extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w, int h) { +#ifndef __WXMICROWIN__ wxCHECK_MSG( hbmpMask, 0, _T("invalid bitmap in wxInvertMask") ); // get width/height from the bitmap if not given @@ -864,4 +1291,7 @@ extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w, int h) ::DeleteDC(hdcDst); return hbmpInvMask; +#else + return 0; +#endif }