X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1b7c01c976a2fd8a6ca3e46aab827dbc0b0e8da9..47b4bc17684eecb35429df32c0a9f578ac331310:/src/msw/bitmap.cpp diff --git a/src/msw/bitmap.cpp b/src/msw/bitmap.cpp index 20a2aa22b9..f3221c6e73 100644 --- a/src/msw/bitmap.cpp +++ b/src/msw/bitmap.cpp @@ -289,9 +289,8 @@ wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *dataOrig) const return m_refData; } -#ifdef __WIN32__ - -bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon) +bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon, + wxBitmapTransparency transp) { #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__) // it may be either HICON or HCURSOR @@ -317,31 +316,51 @@ bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon) refData->m_hBitmap = (WXHBITMAP)iconInfo.hbmColor; + switch ( transp ) + { + default: + wxFAIL_MSG( _T("unknown wxBitmapTransparency value") ); + + case wxBitmapTransparency_None: + // nothing to do, refData->m_hasAlpha is false by default + break; + + case wxBitmapTransparency_Auto: #if wxUSE_WXDIB - // If the icon is 32 bits per pixel then it may have alpha channel data, - // although there are some icons that are 32 bpp but have no alpha... So - // convert to a DIB and manually check the 4th byte for each pixel. - BITMAP bm; - if ( ::GetObject(iconInfo.hbmColor, sizeof(BITMAP), (LPVOID)&bm) - && bm.bmBitsPixel == 32) - { - wxDIB dib(iconInfo.hbmColor); - if (dib.IsOk()) - { - unsigned char* pixels = dib.GetData(); - for (int idx=0; idxm_hasAlpha = true; - break; + wxDIB dib(iconInfo.hbmColor); + if (dib.IsOk()) + { + const unsigned char* pixels = dib.GetData(); + for (int idx = 0; idx < w*h*4; idx+=4) + { + if (pixels[idx+3] != 0) + { + // If there is an alpha byte that is non-zero + // then set the alpha flag and stop checking + refData->m_hasAlpha = true; + break; + } + } + } } } - } + break; +#endif // wxUSE_WXDIB + + case wxBitmapTransparency_Always: + refData->m_hasAlpha = true; + break; } -#endif + if ( !refData->m_hasAlpha ) { // the mask returned by GetIconInfo() is inverted compared to the usual @@ -353,32 +372,32 @@ bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon) ::DeleteObject(iconInfo.hbmMask); return true; -#else +#else // __WXMICROWIN__ || __WXWINCE__ wxUnusedVar(icon); + wxUnusedVar(transp); + return false; -#endif +#endif // !__WXWINCE__/__WXWINCE__ } -#endif // Win32 - -bool wxBitmap::CopyFromCursor(const wxCursor& cursor) +bool wxBitmap::CopyFromCursor(const wxCursor& cursor, wxBitmapTransparency transp) { UnRef(); if ( !cursor.Ok() ) return false; - return CopyFromIconOrCursor(cursor); + return CopyFromIconOrCursor(cursor, transp); } -bool wxBitmap::CopyFromIcon(const wxIcon& icon) +bool wxBitmap::CopyFromIcon(const wxIcon& icon, wxBitmapTransparency transp) { UnRef(); if ( !icon.Ok() ) return false; - return CopyFromIconOrCursor(icon); + return CopyFromIconOrCursor(icon, transp); } #ifndef NEVER_USE_DIB @@ -1070,8 +1089,14 @@ bool wxBitmap::SaveFile(const wxString& filename, // ---------------------------------------------------------------------------- // sub bitmap extraction // ---------------------------------------------------------------------------- +wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect ) const +{ + MemoryHDC dcSrc; + SelectInHDC selectSrc(dcSrc, GetHbitmap()); + return GetSubBitmapOfHDC( rect, (WXHDC)dcSrc ); +} -wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const +wxBitmap wxBitmap::GetSubBitmapOfHDC( const wxRect& rect, WXHDC hdc ) const { wxCHECK_MSG( Ok() && (rect.x >= 0) && (rect.y >= 0) && @@ -1092,16 +1117,15 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const dcDst; { - SelectInHDC selectSrc(dcSrc, GetHbitmap()), - selectDst(dcDst, GetHbitmapOf(ret)); - - if ( !selectSrc || !selectDst ) + SelectInHDC selectDst(dcDst, GetHbitmapOf(ret)); + + if ( !selectDst ) { - wxLogLastError(_T("SelectObjct(hBitmap)")); + wxLogLastError(_T("SelectObject(destBitmap)")); } if ( !::BitBlt(dcDst, 0, 0, rect.width, rect.height, - dcSrc, rect.x, rect.y, SRCCOPY) ) + (HDC)hdc, rect.x, rect.y, SRCCOPY) ) { wxLogLastError(_T("BitBlt")); } @@ -1164,15 +1188,6 @@ wxDC *wxBitmap::GetSelectedInto() const #endif -#if WXWIN_COMPATIBILITY_2_4 - -int wxBitmap::GetQuality() const -{ - return 0; -} - -#endif // WXWIN_COMPATIBILITY_2_4 - void wxBitmap::UseAlpha() { if ( GetBitmapData() ) @@ -1216,14 +1231,6 @@ void wxBitmap::SetMask(wxMask *mask) GetBitmapData()->SetMask(mask); } -#if WXWIN_COMPATIBILITY_2_4 - -void wxBitmap::SetQuality(int WXUNUSED(quality)) -{ -} - -#endif // WXWIN_COMPATIBILITY_2_4 - // ---------------------------------------------------------------------------- // raw bitmap access support // ---------------------------------------------------------------------------- @@ -1347,6 +1354,7 @@ wxMask::wxMask() // Copy constructor wxMask::wxMask(const wxMask &mask) + : wxObject() { BITMAP bmp; @@ -1370,7 +1378,7 @@ wxMask::wxMask(const wxMask &mask) SelectObject(destDC, (HBITMAP) m_maskBitmap); BitBlt(destDC, 0, 0, w, h, srcDC, 0, 0, SRCCOPY); - + SelectObject(srcDC, 0); DeleteDC(srcDC); SelectObject(destDC, 0); @@ -1597,57 +1605,6 @@ bool wxBitmapHandler::SaveFile(wxBitmap *WXUNUSED(bitmap), return false; } -// ---------------------------------------------------------------------------- -// DIB functions -// ---------------------------------------------------------------------------- - -#ifndef __WXMICROWIN__ -bool wxCreateDIB(long xSize, long ySize, long bitsPerPixel, - HPALETTE hPal, LPBITMAPINFO* lpDIBHeader) -{ - unsigned long i, headerSize; - - // Allocate space for a DIB header - headerSize = (sizeof(BITMAPINFOHEADER) + (256 * sizeof(PALETTEENTRY))); - LPBITMAPINFO lpDIBheader = (BITMAPINFO *) malloc(headerSize); - LPPALETTEENTRY lpPe = (PALETTEENTRY *)((BYTE*)lpDIBheader + sizeof(BITMAPINFOHEADER)); - - 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); -} -#endif - // ---------------------------------------------------------------------------- // global helper functions implemented here // ----------------------------------------------------------------------------