X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dfad0599246651d4994e348d868a3e65613c7379..a62489828e83c6196b7f6d4e95d74621d9a7e151:/src/msw/dc.cpp?ds=sidebyside diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp index 674ca49a19..73f3390952 100644 --- a/src/msw/dc.cpp +++ b/src/msw/dc.cpp @@ -6,7 +6,7 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -26,6 +26,8 @@ #include "wx/utils.h" #include "wx/dialog.h" #include "wx/app.h" +#include "wx/bitmap.h" +#include "wx/dcmemory.h" #endif #include "wx/dcprint.h" @@ -33,7 +35,6 @@ #include #include -#include #if wxUSE_COMMON_DIALOGS #include @@ -130,16 +131,10 @@ wxDC::~wxDC(void) // DC. void wxDC::SelectOldObjects(WXHDC dc) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects %X\n", this); -#endif if (dc) { if (m_oldBitmap) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects: Selecting old HBITMAP %X\n", m_oldBitmap); -#endif ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap); if (m_selectedBitmap.Ok()) { @@ -149,38 +144,23 @@ void wxDC::SelectOldObjects(WXHDC dc) m_oldBitmap = 0 ; if (m_oldPen) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects: Selecting old HPEN %X\n", m_oldPen); -#endif ::SelectObject((HDC) dc, (HPEN) m_oldPen); } m_oldPen = 0 ; if (m_oldBrush) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects: Selecting old HBRUSH %X\n", m_oldBrush); -#endif ::SelectObject((HDC) dc, (HBRUSH) m_oldBrush); } m_oldBrush = 0 ; if (m_oldFont) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects: Selecting old HFONT %X\n", m_oldFont); -#endif ::SelectObject((HDC) dc, (HFONT) m_oldFont); } m_oldFont = 0 ; if (m_oldPalette) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects: Selecting old HPALETTE %X\n", m_oldPalette); -#endif ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE); } -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects: Done.\n"); -#endif m_oldPalette = 0 ; } @@ -203,6 +183,26 @@ void wxDC::SetClippingRegion(long cx, long cy, long cw, long ch) DoClipping((WXHDC) m_hDC); } +void wxDC::SetClippingRegion(const wxRegion& region) +{ + if (!region.GetHRGN()) + return; + + wxRect box = region.GetBox(); + + m_clipping = TRUE; + m_clipX1 = box.x; + m_clipY1 = box.y; + m_clipX2 = box.x + box.width; + m_clipY2 = box.y + box.height; + +#ifdef __WIN16__ + SelectClipRgn((HDC) m_hDC, (HRGN) region.GetHRGN()); +#else + ExtSelectClipRgn((HDC) m_hDC, (HRGN) region.GetHRGN(), RGN_AND); +#endif +} + void wxDC::DoClipping(WXHDC dc) { if (m_clipping && dc) @@ -216,17 +216,14 @@ void wxDC::DestroyClippingRegion(void) { if (m_clipping && m_hDC) { + // TODO: this should restore the previous clipping region, + // so that OnPaint processing works correctly, and the update clipping region + // doesn't get destroyed after the first DestroyClippingRegion. HRGN rgn = CreateRectRgn(0, 0, 32000, 32000); -#if WXDEBUG > 1 - wxDebugMsg("wxDC::DestroyClippingRegion: Selecting HRGN %X\n", rgn); -#endif SelectClipRgn((HDC) m_hDC, rgn); -#if WXDEBUG > 1 - wxDebugMsg("wxDC::DestroyClippingRegion: Deleting HRGN %X\n", rgn); -#endif DeleteObject(rgn); - } - m_clipping = FALSE; + } + m_clipping = FALSE; } bool wxDC::CanDrawBitmap(void) const @@ -258,7 +255,7 @@ void wxDC::SetPalette(const wxPalette& palette) m_oldPalette = 0; } - m_palette = m_palette; + m_palette = palette; if (!m_palette.Ok()) { @@ -267,13 +264,10 @@ void wxDC::SetPalette(const wxPalette& palette) if (m_oldPalette) { ::SelectPalette((HDC) m_hDC, (HPALETTE) m_oldPalette, TRUE); -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SetPalette: set old palette %X\n", m_oldPalette); -#endif m_oldPalette = 0; } - return; + return; } if (m_palette.Ok() && m_palette.GetHPALETTE()) @@ -282,13 +276,6 @@ void wxDC::SetPalette(const wxPalette& palette) if (!m_oldPalette) m_oldPalette = (WXHPALETTE) oldPal; -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SetPalette %X: selected palette %X\n", this, m_palette.GetHPALETTE()); - if (oldPal) - wxDebugMsg("wxDC::SetPalette: oldPal was palette %X\n", oldPal); - if (m_oldPalette) - wxDebugMsg("wxDC::SetPalette: m_oldPalette is palette %X\n", m_oldPalette); -#endif ::RealizePalette((HDC) m_hDC); } } @@ -393,7 +380,7 @@ void wxDC::DrawArc(long x1,long y1,long x2,long y2, long xc, long yc) double radius = (double)sqrt(dx*dx+dy*dy) ;; if (x1==x2 && x2==y2) { - DrawEllipse(xc,yc,(double)(radius*2.0),(double)(radius*2)) ; + DrawEllipse(xc,yc,(long)(radius*2.0),(long)(radius*2.0)) ; return ; } @@ -512,28 +499,28 @@ void wxDC::DrawRectangle(long x, long y, long width, long height) do_pen = m_pen.Ok() && m_pen.GetStyle() != wxTRANSPARENT; if (do_brush) { - HPEN orig_pen = NULL; + HPEN orig_pen = NULL; - if (do_pen || !m_pen.Ok()) - orig_pen = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN) ::GetStockObject(NULL_PEN)); + if (do_pen || !m_pen.Ok()) + orig_pen = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN) ::GetStockObject(NULL_PEN)); - (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), - XLOG2DEV(x2) + 1, YLOG2DEV(y2) + 1); + (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), + XLOG2DEV(x2) + 1, YLOG2DEV(y2) + 1); - if (do_pen || !m_pen.Ok()) - ::SelectObject((HDC) m_hDC , orig_pen); + if (do_pen || !m_pen.Ok()) + ::SelectObject((HDC) m_hDC , orig_pen); } if (do_pen) { - HBRUSH orig_brush = NULL; + HBRUSH orig_brush = NULL; - if (do_brush || !m_brush.Ok()) - orig_brush = (HBRUSH) ::SelectObject((HDC) m_hDC, (HBRUSH) ::GetStockObject(NULL_BRUSH)); + if (do_brush || !m_brush.Ok()) + orig_brush = (HBRUSH) ::SelectObject((HDC) m_hDC, (HBRUSH) ::GetStockObject(NULL_BRUSH)); - (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), - XLOG2DEV(x2), YLOG2DEV(y2)); + (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), + XLOG2DEV(x2), YLOG2DEV(y2)); - if (do_brush || !m_brush.Ok()) - ::SelectObject((HDC) m_hDC, orig_brush); + if (do_brush || !m_brush.Ok()) + ::SelectObject((HDC) m_hDC, orig_brush); } #else (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); @@ -601,16 +588,16 @@ void wxDC::DrawEllipticArc(long x,long y,long w,long h,double sa,double ea) if (m_signY > 0) { (void)Pie((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2)+1, YLOG2DEV(y2)+1, - rx1, ry1, rx2, ry2); + rx1, ry1, rx2, ry2); } else { (void)Pie((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y)-1, XLOG2DEV(x2)+1, YLOG2DEV(y2), - rx1, ry1-1, rx2, ry2-1); + rx1, ry1-1, rx2, ry2-1); } ::SelectObject((HDC) m_hDC, orig_pen); (void)Arc((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2), - rx1, ry1, rx2, ry2); + rx1, ry1, rx2, ry2); CalcBoundingBox(x, y); CalcBoundingBox(x2, y2); @@ -618,11 +605,56 @@ void wxDC::DrawEllipticArc(long x,long y,long w,long h,double sa,double ea) void wxDC::DrawIcon(const wxIcon& icon, long x, long y) { +#if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__) + ::DrawIconEx((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON(), + icon.GetWidth(), icon.GetHeight(), 0, 0, DI_NORMAL); +#else ::DrawIcon((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON()); +#endif + CalcBoundingBox(x, y); CalcBoundingBox(x+icon.GetWidth(), y+icon.GetHeight()); } +void wxDC::DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask ) +{ + if (!bmp.Ok()) + return; + + // If we're not drawing transparently, and not drawing to a printer, + // optimize this function to use Windows functions. + if (!useMask && !IsKindOf(CLASSINFO(wxPrinterDC))) + { + HDC cdc = (HDC)m_hDC; + HDC memdc = ::CreateCompatibleDC( cdc ); + HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( ); + ::SelectObject( memdc, hbitmap ); + ::BitBlt( cdc, x, y, bmp.GetWidth(), bmp.GetHeight(), memdc, 0, 0, SRCCOPY); + ::SelectObject( memdc, 0 ); + ::DeleteDC( memdc ); + } + else + { + // Rather than reproduce wxDC::Blit, let's do it at the wxWin API level + 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); + + memDC.SelectObject(wxNullBitmap); + } +} + void wxDC::SetFont(const wxFont& the_font) { // Set the old object temporarily, in case the assignment deletes an object @@ -644,11 +676,8 @@ void wxDC::SetFont(const wxFont& the_font) if (m_font.Ok() && m_font.GetResourceHandle()) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SetFont: Selecting HFONT %X\n", m_font.GetResourceHandle()); -#endif HFONT f = (HFONT) ::SelectObject((HDC) m_hDC, (HFONT) m_font.GetResourceHandle()); - if (f == NULL) + if (f == (HFONT) NULL) { wxDebugMsg("::SelectObject failed in wxDC::SetFont."); } @@ -724,9 +753,6 @@ void wxDC::DrawText(const wxString& text, long x, long y, bool use16bit) #if 0 if (m_font.Ok() && m_font.GetResourceHandle()) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::DrawText: Selecting HFONT %X\n", m_font.GetResourceHandle()); -#endif HFONT f = (HFONT) ::SelectObject((HDC) m_hDC, (HFONT) m_font.GetResourceHandle()); if (!m_oldFont) m_oldFont = (WXHFONT) f; @@ -736,7 +762,7 @@ void wxDC::DrawText(const wxString& text, long x, long y, bool use16bit) if (m_textForegroundColour.Ok()) SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ; - DWORD old_background; + DWORD old_background = 0; if (m_textBackgroundColour.Ok()) { old_background = SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ; @@ -868,16 +894,23 @@ bool wxDC::StartDoc(const wxString& message) #else #ifdef UNICODE ::StartDocW((HDC) m_hDC, &docinfo); +#else +#ifdef __TWIN32__ + ::StartDoc((HDC) m_hDC, &docinfo); #else ::StartDocA((HDC) m_hDC, &docinfo); #endif #endif +#endif +#ifndef __WIN16__ if (ret <= 0) { DWORD lastError = GetLastError(); wxDebugMsg("wxDC::StartDoc failed with error: %d\n", lastError); } +#endif + return (ret > 0); } @@ -1051,42 +1084,42 @@ void wxDC::SetDeviceOrigin(long x, long y) long wxDC::DeviceToLogicalX(long x) const { - return (long) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX) - m_logicalOriginX) ; + return (long) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX) - m_logicalOriginX) ; } long wxDC::DeviceToLogicalXRel(long x) const { - return (long) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX)) ; + return (long) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX)) ; } long wxDC::DeviceToLogicalY(long y) const { - return (long) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY) - m_logicalOriginY) ; + return (long) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY) - m_logicalOriginY) ; } long wxDC::DeviceToLogicalYRel(long y) const { - return (long) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY)) ; + return (long) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY)) ; } long wxDC::LogicalToDeviceX(long x) const { - return (long) (floor((x) - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX + m_deviceOriginX) ; + return (long) (floor((x) - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX + m_deviceOriginX) ; } long wxDC::LogicalToDeviceXRel(long x) const { - return (long) (floor(x)*m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX) ; + return (long) (floor(x)*m_logicalScaleX*m_userScaleX*m_signX*m_systemScaleX) ; } long wxDC::LogicalToDeviceY(long y) const { - return (long) (floor((y) - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY + m_deviceOriginY); + return (long) (floor((y) - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY + m_deviceOriginY); } long wxDC::LogicalToDeviceYRel(long y) const { - return (long) (floor(y)*m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY) ; + return (long) (floor(y)*m_logicalScaleY*m_userScaleY*m_signY*m_systemScaleY) ; } // This group of functions may not do any conversion @@ -1095,50 +1128,50 @@ long wxDC::LogicalToDeviceYRel(long y) const long wxDC::ImplDeviceToLogicalX(long x) const { -// return (m_scaleGDI ? x : DeviceToLogicalX(x)); - return x; +// return (m_scaleGDI ? x : DeviceToLogicalX(x)); + return x; } long wxDC::ImplDeviceToLogicalY(long y) const { -// return (m_scaleGDI ? y : DeviceToLogicalY(y)); - return y; +// return (m_scaleGDI ? y : DeviceToLogicalY(y)); + return y; } long wxDC::ImplDeviceToLogicalXRel(long x) const { -// return (m_scaleGDI ? x : DeviceToLogicalXRel(x)); - return x; +// return (m_scaleGDI ? x : DeviceToLogicalXRel(x)); + return x; } long wxDC::ImplDeviceToLogicalYRel(long y) const { -// return (m_scaleGDI ? y : DeviceToLogicalYRel(y)); - return y; +// return (m_scaleGDI ? y : DeviceToLogicalYRel(y)); + return y; } long wxDC::ImplLogicalToDeviceX(long x) const { -// return (m_scaleGDI ? (floor(double(x))) : LogicalToDeviceX(x)); - return x; +// return (m_scaleGDI ? (floor(double(x))) : LogicalToDeviceX(x)); + return x; } long wxDC::ImplLogicalToDeviceY(long y) const { -// return (m_scaleGDI ? (floor(double(y))) : LogicalToDeviceY(y)); - return y; +// return (m_scaleGDI ? (floor(double(y))) : LogicalToDeviceY(y)); + return y; } long wxDC::ImplLogicalToDeviceXRel(long x) const { -// return (m_scaleGDI ? (floor(double(x))) : LogicalToDeviceXRel(x)); - return x; +// return (m_scaleGDI ? (floor(double(x))) : LogicalToDeviceXRel(x)); + return x; } long wxDC::ImplLogicalToDeviceYRel(long y) const { -// return (m_scaleGDI ? (floor(double(y))) : LogicalToDeviceYRel(y)); - return y; +// return (m_scaleGDI ? (floor(double(y))) : LogicalToDeviceYRel(y)); + return y; } bool wxDC::Blit(long xdest, long ydest, long width, long height, @@ -1155,11 +1188,11 @@ bool wxDC::Blit(long xdest, long ydest, long width, long height, COLORREF old_background = ::GetBkColor((HDC)m_hDC); if (m_textForegroundColour.Ok()) { - ::SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ; + ::SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ; } if (m_textBackgroundColour.Ok()) { - ::SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ; + ::SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ; } DWORD dwRop = rop == wxCOPY ? SRCCOPY : @@ -1176,12 +1209,12 @@ bool wxDC::Blit(long xdest, long ydest, long width, long height, rop == wxSRC_AND ? SRCAND : SRCCOPY; - bool success; + bool success = TRUE; if (useMask && source->m_selectedBitmap.Ok() && source->m_selectedBitmap.GetMask()) { #if 0 // __WIN32__ - // Not implemented under Win95 (or maybe a specific device?) + // Not implemented under Win95 (or maybe a specific device?) if (MaskBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC, xsrc1, ysrc1, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap(), 0, 0, 0xAACC0020)) @@ -1193,116 +1226,116 @@ bool wxDC::Blit(long xdest, long ydest, long width, long height, { // Old code #if 0 - HDC dc_mask = CreateCompatibleDC((HDC) source->m_hDC); - ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap()); + HDC dc_mask = CreateCompatibleDC((HDC) source->m_hDC); + ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap()); success = (BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, - dc_mask, xsrc1, ysrc1, 0x00220326 /* NOTSRCAND */) != 0); + dc_mask, xsrc1, ysrc1, 0x00220326 /* NOTSRCAND */) != 0); success = (BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, - (HDC) source->m_hDC, xsrc1, ysrc1, SRCPAINT) != 0); - ::SelectObject(dc_mask, 0); - ::DeleteDC(dc_mask); + (HDC) source->m_hDC, xsrc1, ysrc1, SRCPAINT) != 0); + ::SelectObject(dc_mask, 0); + ::DeleteDC(dc_mask); #endif // New code from Chris Breeze, 15/7/98 - // Blit bitmap with mask - - if (IsKindOf(CLASSINFO(wxPrinterDC))) - { - // 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((HDC) m_hDC, &rect, brush); - ::DeleteObject(brush); - } - } - } - ::SelectObject(dc_mask, 0); - ::DeleteDC(dc_mask); - } - else - { - // 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((HDC) m_hDC); - HBITMAP buffer_bmap = ::CreateCompatibleBitmap((HDC) m_hDC, 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, - (HDC) m_hDC, 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((HDC) m_hDC, RGB(255, 255, 255)); - COLORREF prevCol = ::SetTextColor((HDC) m_hDC, 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((HDC) m_hDC, RGB(0, 0, 0)); - ::SetTextColor((HDC) m_hDC, RGB(255, 255, 255)); - ::BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, - dc_mask, xsrc1, ysrc1, SRCAND); - ::SetBkColor((HDC) m_hDC, prevBkCol); // restore colours to original values - ::SetTextColor((HDC) m_hDC, prevCol); - - // OR buffer to dest - success = (::BitBlt((HDC) m_hDC, 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); - } - } + // Blit bitmap with mask + + if (IsKindOf(CLASSINFO(wxPrinterDC))) + { + // 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((HDC) m_hDC, &rect, brush); + ::DeleteObject(brush); + } + } + } + ::SelectObject(dc_mask, 0); + ::DeleteDC(dc_mask); + } + else + { + // 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((HDC) m_hDC); + HBITMAP buffer_bmap = ::CreateCompatibleBitmap((HDC) m_hDC, 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, + (HDC) m_hDC, 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((HDC) m_hDC, RGB(255, 255, 255)); + COLORREF prevCol = ::SetTextColor((HDC) m_hDC, 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((HDC) m_hDC, RGB(0, 0, 0)); + ::SetTextColor((HDC) m_hDC, RGB(255, 255, 255)); + ::BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, + dc_mask, xsrc1, ysrc1, SRCAND); + ::SetBkColor((HDC) m_hDC, prevBkCol); // restore colours to original values + ::SetTextColor((HDC) m_hDC, prevCol); + + // OR buffer to dest + success = (::BitBlt((HDC) m_hDC, 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); + } + } } else { - if (IsKindOf(CLASSINFO(wxPrinterDC))) - { - // If we are printing source colours are screen colours + if (IsKindOf(CLASSINFO(wxPrinterDC))) + { + // If we are printing, source colours are screen colours // not printer colours and so we need copy the bitmap // pixel by pixel. 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; + rect.left = xdest1 + x; rect.right = rect.left + 1; + rect.top = ydest1 + y; rect.bottom = rect.top + 1; ::FillRect((HDC) m_hDC, &rect, brush); ::DeleteObject(brush); - } - } + } + } } - else - { + else + { success = (BitBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC, xsrc1, ysrc1, dwRop) != 0); - } + } } ::SetTextColor((HDC)m_hDC, old_textground); ::SetBkColor((HDC)m_hDC, old_background); @@ -1400,8 +1433,8 @@ void wxDC::GetTextExtent(const wxString& string, float *x, float *y, wxFont *theFont, bool use16bit) const { long x1, y1, descent1, externalLeading1; - GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit); - *x = x1; *y = y1; + GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit); + *x = x1; *y = y1; if (descent) *descent = descent1; if (externalLeading) @@ -1517,10 +1550,10 @@ void wx_draw_open_spline(wxDC *dc, wxSpline *spline) while ((node = node->Next()) != NULL) { p = (wxPoint *)node->Data(); - x1 = x2; - y1 = y2; - x2 = p->x; - y2 = p->y; + x1 = x2; + y1 = y2; + x2 = p->x; + y2 = p->y; cx4 = (double)(x1 + x2) / 2; cy4 = (double)(y1 + y2) / 2; cx3 = (double)(x1 + cx4) / 2; @@ -1528,8 +1561,8 @@ void wx_draw_open_spline(wxDC *dc, wxSpline *spline) wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4); - cx1 = cx4; - cy1 = cy4; + cx1 = cx4; + cy1 = cy4; cx2 = (double)(cx1 + x2) / 2; cy2 = (double)(cy1 + y2) / 2; } @@ -1543,23 +1576,23 @@ void wx_draw_open_spline(wxDC *dc, wxSpline *spline) /********************* CURVES FOR SPLINES ***************************** - The following spline drawing routine is from + The following spline drawing routine is from - "An Algorithm for High-Speed Curve Generation" - by George Merrill Chaikin, - Computer Graphics and Image Processing, 3, Academic Press, - 1974, 346-349. + "An Algorithm for High-Speed Curve Generation" + by George Merrill Chaikin, + Computer Graphics and Image Processing, 3, Academic Press, + 1974, 346-349. - and + and - "On Chaikin's Algorithm" by R. F. Riesenfeld, - Computer Graphics and Image Processing, 4, Academic Press, - 1975, 304-310. + "On Chaikin's Algorithm" by R. F. Riesenfeld, + Computer Graphics and Image Processing, 4, Academic Press, + 1975, 304-310. ***********************************************************************/ -#define half(z1, z2) ((z1+z2)/2.0) -#define THRESHOLD 5 +#define half(z1, z2) ((z1+z2)/2.0) +#define THRESHOLD 5 /* iterative version */ @@ -1575,16 +1608,16 @@ void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, while (wx_spline_pop(&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4)) { xmid = (double)half(x2, x3); ymid = (double)half(y2, y3); - if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD && - fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) { + if (fabs(x1 - xmid) < THRESHOLD && fabs(y1 - ymid) < THRESHOLD && + fabs(xmid - x4) < THRESHOLD && fabs(ymid - y4) < THRESHOLD) { wx_spline_add_point((double)wx_round(x1), (double)wx_round(y1)); wx_spline_add_point((double)wx_round(xmid), (double)wx_round(ymid)); - } else { + } else { wx_spline_push(xmid, ymid, (double)half(xmid, x3), (double)half(ymid, y3), (double)half(x3, x4), (double)half(y3, y4), x4, y4); wx_spline_push(x1, y1, (double)half(x1, x2), (double)half(y1, y2), (double)half(x2, xmid), (double)half(y2, ymid), xmid, ymid); - } + } } } @@ -1626,7 +1659,7 @@ int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3, double *y3, double *x4, double *y4) { if (wx_stack_count == 0) - return (0); + return (0); wx_stack_top--; wx_stack_count--; *x1 = wx_stack_top->x1; @@ -1651,7 +1684,7 @@ static bool wx_spline_add_point(double x, double y) static void wx_spline_draw_point_array(wxDC *dc) { - dc->DrawLines(&wx_spline_point_list, (double)0.0, (double)0.0); + dc->DrawLines(&wx_spline_point_list, 0, 0); wxNode *node = wx_spline_point_list.First(); while (node) {