X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8208e181cb576ec6cda37624923f95a59af43072..510fc784c0c7002488bcaad881901176554f7c32:/src/msw/dc.cpp diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp index 3cffc336ee..c280a0573a 100644 --- a/src/msw/dc.cpp +++ b/src/msw/dc.cpp @@ -23,6 +23,7 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" +#include "wx/msw/private.h" // needs to be before #include #ifdef __BORLANDC__ #pragma hdrstop @@ -56,8 +57,6 @@ #include #endif -#include "wx/msw/private.h" - IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) // --------------------------------------------------------------------------- @@ -584,79 +583,46 @@ void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,d void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) { -#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__) - ::DrawIconEx(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON(), - icon.GetWidth(), icon.GetHeight(), 0, 0, DI_NORMAL); -#else - ::DrawIcon(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON()); -#endif + wxCHECK_RET( icon.Ok(), wxT("invalid icon in DrawIcon") ); + + ::DrawIcon(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), GetHiconOf(icon)); CalcBoundingBox(x, y); - CalcBoundingBox(x+icon.GetWidth(), y+icon.GetHeight()); + CalcBoundingBox(x + icon.GetWidth(), y + icon.GetHeight()); } void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) { - if (!bmp.Ok()) - return; + wxCHECK_RET( bmp.Ok(), _T("invalid bitmap in wxDC::DrawBitmap") ); - bool needsPixelCopy = false ; - bool isPrinter = false ; - if (IsKindOf(CLASSINFO(wxPrinterDC)) ) - { - isPrinter = true ; - if ( ::GetDeviceCaps((HDC) m_hDC, RASTERCAPS) & RC_STRETCHDIB ) - { - } - else - { - needsPixelCopy = true ; - } - } - // If we're not drawing transparently, and not drawing to a printer, - // optimize this function to use Windows functions. - if (!useMask && !needsPixelCopy) + int width = bmp.GetWidth(), + height = bmp.GetHeight(); + + if ( !useMask ) { - if ( isPrinter ) - { - BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) ) ; - int iBitsSize = ((bmp.GetWidth() + 3 ) & ~3 ) * bmp.GetHeight() ; - - void* bits = malloc( iBitsSize ) ; - - memset( info , 0 , sizeof( BITMAPINFOHEADER ) ) ; - - info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER ) ; - info->bmiHeader.biWidth = bmp.GetWidth() ; - info->bmiHeader.biHeight = bmp.GetHeight() ; - info->bmiHeader.biPlanes = 1 ; - info->bmiHeader.biBitCount = 8 ; - info->bmiHeader.biCompression = BI_RGB ; - - HDC display = GetDC( NULL ) ; - if ( GetDIBits( display , (HBITMAP) bmp.GetHBITMAP( ) , 0 , bmp.GetHeight() , bits , info , DIB_RGB_COLORS ) ) - { - StretchDIBits( (HDC) m_hDC, - x, y, bmp.GetWidth(), bmp.GetHeight() , - 0 , 0 ,bmp.GetWidth(), bmp.GetHeight() , - bits , info , DIB_RGB_COLORS , SRCCOPY ) ; - } - ReleaseDC( NULL , display ) ; - free ( bits ) ; - free( info ) ; - } - else - { - HDC cdc = GetHdc(); - HDC memdc = ::CreateCompatibleDC( cdc ); - HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( ); - - wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") ); - - ::SelectObject( memdc, hbitmap ); - ::BitBlt( cdc, x, y, bmp.GetWidth(), bmp.GetHeight(), memdc, 0, 0, SRCCOPY); - ::DeleteDC( memdc ); + HDC cdc = GetHdc(); + HDC memdc = ::CreateCompatibleDC( cdc ); + HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( ); + + wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") ); + + COLORREF old_textground = ::GetTextColor(GetHdc()); + COLORREF old_background = ::GetBkColor(GetHdc()); + if (m_textForegroundColour.Ok()) + { + ::SetTextColor(GetHdc(), m_textForegroundColour.GetPixel() ); } + if (m_textBackgroundColour.Ok()) + { + ::SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() ); + } + + ::SelectObject( memdc, hbitmap ); + ::BitBlt( cdc, x, y, width, height, memdc, 0, 0, SRCCOPY); + ::DeleteDC( memdc ); + + ::SetTextColor(GetHdc(), old_textground); + ::SetBkColor(GetHdc(), old_background); } else { @@ -664,17 +630,7 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask wxMemoryDC memDC; memDC.SelectObject(bmp); - /* Not sure if we need this. The mask should leave the - * masked areas as per the original background of this DC. - */ - /* - // There might be transparent areas, so make these - // the same colour as this DC - memDC.SetBackground(* GetBackground()); - memDC.Clear(); - */ - - Blit(x, y, bmp.GetWidth(), bmp.GetHeight(), & memDC, 0, 0, wxCOPY, useMask); + Blit(x, y, width, height, &memDC, 0, 0, wxCOPY, useMask); memDC.SelectObject(wxNullBitmap); } @@ -968,7 +924,7 @@ void wxDC::SetBackgroundMode(int mode) if (m_backgroundMode == wxTRANSPARENT) ::SetBkMode(GetHdc(), TRANSPARENT); else - ::SetBkMode(GetHdc(), OPAQUE); + ::SetBkMode(GetHdc(), OPAQUE); */ } @@ -1224,16 +1180,22 @@ wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const // --------------------------------------------------------------------------- // bit blit // --------------------------------------------------------------------------- -bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, - wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask) + +bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, + wxCoord width, wxCoord height, + wxDC *source, wxCoord xsrc, wxCoord ysrc, + int rop, bool useMask) { - wxCoord xdest1 = xdest; - wxCoord ydest1 = ydest; - wxCoord xsrc1 = xsrc; - wxCoord ysrc1 = ysrc; + wxMask *mask = NULL; + if ( useMask ) + { + const wxBitmap& bmp = source->m_selectedBitmap; + mask = bmp.GetMask(); + + wxCHECK_MSG( bmp.Ok() && mask, FALSE, + _T("can't blit with mask without mask") ); + } - // Chris Breeze 18/5/98: use text foreground/background colours - // when blitting from 1-bit bitmaps COLORREF old_textground = ::GetTextColor(GetHdc()); COLORREF old_background = ::GetBkColor(GetHdc()); if (m_textForegroundColour.Ok()) @@ -1246,163 +1208,107 @@ bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, } DWORD dwRop = rop == wxCOPY ? SRCCOPY : - rop == wxCLEAR ? WHITENESS : - rop == wxSET ? BLACKNESS : - rop == wxINVERT ? DSTINVERT : - rop == wxAND ? MERGECOPY : - rop == wxOR ? MERGEPAINT : - rop == wxSRC_INVERT ? NOTSRCCOPY : - rop == wxXOR ? SRCINVERT : - rop == wxOR_REVERSE ? MERGEPAINT : - rop == wxAND_REVERSE ? SRCERASE : - rop == wxSRC_OR ? SRCPAINT : - rop == wxSRC_AND ? SRCAND : - SRCCOPY; - - bool success = TRUE; - if (useMask && source->m_selectedBitmap.Ok() && source->m_selectedBitmap.GetMask()) + rop == wxCLEAR ? WHITENESS : + rop == wxSET ? BLACKNESS : + rop == wxINVERT ? DSTINVERT : + rop == wxAND ? MERGECOPY : + rop == wxOR ? MERGEPAINT : + rop == wxSRC_INVERT ? NOTSRCCOPY : + rop == wxXOR ? SRCINVERT : + rop == wxOR_REVERSE ? MERGEPAINT : + rop == wxAND_REVERSE ? SRCERASE : + rop == wxSRC_OR ? SRCPAINT : + rop == wxSRC_AND ? SRCAND : + SRCCOPY; + + bool success; + + if (useMask) { - -#if 0 // __WIN32__ - // Not implemented under Win95 (or maybe a specific device?) - if (MaskBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, - (HDC) source->m_hDC, xsrc1, ysrc1, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap(), - 0, 0, 0xAACC0020)) +#ifdef __WIN32__ + if ( ::MaskBlt(GetHdc(), xdest, ydest, + (int)width, (int)height, + GetHdcOf(*source), xsrc, ysrc, + (HBITMAP) mask->GetMaskBitmap(), + 0, 0, MAKEROP4(SRCCOPY, PATCOPY)) != 0 ) { // Success + success = TRUE; } else -#endif +#endif // Win32 { - // New code from Chris Breeze, 15/7/98 // Blit bitmap with mask - if (IsKindOf(CLASSINFO(wxPrinterDC))) + // create a temp buffer bitmap and DCs to access it and the mask + HDC dc_mask = ::CreateCompatibleDC(GetHdcOf(*source)); + HDC dc_buffer = ::CreateCompatibleDC(GetHdc()); + HBITMAP buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height); + ::SelectObject(dc_mask, (HBITMAP) mask->GetMaskBitmap()); + ::SelectObject(dc_buffer, buffer_bmap); + + // copy dest to buffer + if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height, + GetHdc(), xdest, ydest, SRCCOPY) ) { - // If we are printing source colours are screen colours - // not printer colours and so we need copy the bitmap - // pixel by pixel. - RECT rect; - HDC dc_mask = ::CreateCompatibleDC((HDC) source->m_hDC); - HDC dc_src = (HDC) source->m_hDC; - - ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap()); - for (int x = 0; x < width; x++) - { - for (int y = 0; y < height; y++) - { - COLORREF cref = ::GetPixel(dc_mask, x, y); - if (cref) - { - HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, x, y)); - rect.left = xdest1 + x; rect.right = rect.left + 1; - rect.top = ydest1 + y; rect.bottom = rect.top + 1; - ::FillRect(GetHdc(), &rect, brush); - ::DeleteObject(brush); - } - } - } - ::SelectObject(dc_mask, 0); - ::DeleteDC(dc_mask); + wxLogLastError("BitBlt"); } - else + + // copy src to buffer using selected raster op + if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height, + GetHdcOf(*source), xsrc, ysrc, dwRop) ) + { + wxLogLastError("BitBlt"); + } + + // set masked area in buffer to BLACK (pixel value 0) + COLORREF prevBkCol = ::SetBkColor(GetHdc(), RGB(255, 255, 255)); + COLORREF prevCol = ::SetTextColor(GetHdc(), RGB(0, 0, 0)); + if ( !::BitBlt(dc_buffer, 0, 0, (int)width, (int)height, + dc_mask, xsrc, ysrc, SRCAND) ) + { + wxLogLastError("BitBlt"); + } + + // set unmasked area in dest to BLACK + ::SetBkColor(GetHdc(), RGB(0, 0, 0)); + ::SetTextColor(GetHdc(), RGB(255, 255, 255)); + if ( !::BitBlt(GetHdc(), xdest, ydest, (int)width, (int)height, + dc_mask, xsrc, ysrc, SRCAND) ) + { + wxLogLastError("BitBlt"); + } + ::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values + ::SetTextColor(GetHdc(), prevCol); + + // OR buffer to dest + success = ::BitBlt(GetHdc(), xdest, ydest, + (int)width, (int)height, + dc_buffer, 0, 0, SRCPAINT) != 0; + if ( !success ) { - // create a temp buffer bitmap and DCs to access it and the mask - HDC dc_mask = ::CreateCompatibleDC((HDC) source->m_hDC); - HDC dc_buffer = ::CreateCompatibleDC(GetHdc()); - HBITMAP buffer_bmap = ::CreateCompatibleBitmap(GetHdc(), width, height); - ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap()); - ::SelectObject(dc_buffer, buffer_bmap); - - // copy dest to buffer - ::BitBlt(dc_buffer, 0, 0, (int)width, (int)height, - GetHdc(), xdest1, ydest1, SRCCOPY); - - // copy src to buffer using selected raster op - ::BitBlt(dc_buffer, 0, 0, (int)width, (int)height, - (HDC) source->m_hDC, xsrc1, ysrc1, dwRop); - - // set masked area in buffer to BLACK (pixel value 0) - COLORREF prevBkCol = ::SetBkColor(GetHdc(), RGB(255, 255, 255)); - COLORREF prevCol = ::SetTextColor(GetHdc(), RGB(0, 0, 0)); - ::BitBlt(dc_buffer, 0, 0, (int)width, (int)height, - dc_mask, xsrc1, ysrc1, SRCAND); - - // set unmasked area in dest to BLACK - ::SetBkColor(GetHdc(), RGB(0, 0, 0)); - ::SetTextColor(GetHdc(), RGB(255, 255, 255)); - ::BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, - dc_mask, xsrc1, ysrc1, SRCAND); - ::SetBkColor(GetHdc(), prevBkCol); // restore colours to original values - ::SetTextColor(GetHdc(), prevCol); - - // OR buffer to dest - success = (::BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, - dc_buffer, 0, 0, SRCPAINT) != 0); - - // tidy up temporary DCs and bitmap - ::SelectObject(dc_mask, 0); - ::DeleteDC(dc_mask); - ::SelectObject(dc_buffer, 0); - ::DeleteDC(dc_buffer); - ::DeleteObject(buffer_bmap); + wxLogLastError("BitBlt"); } + + // tidy up temporary DCs and bitmap + ::SelectObject(dc_mask, 0); + ::DeleteDC(dc_mask); + ::SelectObject(dc_buffer, 0); + ::DeleteDC(dc_buffer); + ::DeleteObject(buffer_bmap); } } - else + else // no mask, just BitBlt() it { - // If we are printing, source colours are screen colours - // not printer colours and so we need copy the bitmap - // pixel by pixel. - if (IsKindOf(CLASSINFO(wxPrinterDC))) - { - HDC dc_src = (HDC) source->m_hDC; - RECT rect; - for (int y = 0; y < height; y++) - { - // This is Stefan Csomor's optimisation, where - // identical adjacent pixels are drawn together. - // We still need a faster way of drawing bitmaps, - // perhaps converting to a DIB first and using SetDIBitsToDevice. - for (int x = 0; x < width; x++) - { - COLORREF col = ::GetPixel(dc_src, x, y) ; - HBRUSH brush = ::CreateSolidBrush( col ); - - rect.left = xdest1 + x; - rect.top = ydest1 + y; - while( (x + 1 < width) && (::GetPixel(dc_src, x + 1, y) == col ) ) - { - ++x ; - } - rect.right = xdest1 + x + 1; - rect.bottom = rect.top + 1; - ::FillRect((HDC) m_hDC, &rect, brush); - ::DeleteObject(brush); - } - } -/* - HDC dc_src = (HDC) source->m_hDC; - RECT rect; - for (int x = 0; x < width; x++) - { - for (int y = 0; y < height; y++) - { - HBRUSH brush = ::CreateSolidBrush(::GetPixel(dc_src, x, y)); - rect.left = xdest1 + x; rect.right = rect.left + 1; - rect.top = ydest1 + y; rect.bottom = rect.top + 1; - ::FillRect(GetHdc(), &rect, brush); - ::DeleteObject(brush); - } - } -*/ - } - else + success = ::BitBlt(GetHdc(), xdest, ydest, + (int)width, (int)height, + GetHdcOf(*source), xsrc, ysrc, dwRop) != 0; + if ( !success ) { - success = (BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC, - xsrc1, ysrc1, dwRop) != 0); + wxLogLastError("BitBlt"); } } + ::SetTextColor(GetHdc(), old_textground); ::SetBkColor(GetHdc(), old_background);