X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7b46ecac6415b5c9d76bfca160163aa5dbfd0256..c16e5a9271ab576a76c8537b67e0f5e25f90bc67:/src/msw/dc.cpp?ds=inline diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp index 432769c8c0..6372787796 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" @@ -33,9 +35,8 @@ #include #include -#include -#if USE_COMMON_DIALOGS +#if wxUSE_COMMON_DIALOGS #include #endif @@ -68,61 +69,60 @@ IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) // Default constructor wxDC::wxDC(void) { - m_minX = 0; m_minY = 0; m_maxX = 0; m_maxY = 0; - m_clipping = FALSE; - - m_filename = ""; - m_canvas = NULL; - m_oldBitmap = 0; - m_oldPen = 0; - m_oldBrush = 0; - m_oldFont = 0; - m_oldPalette = 0; - m_minX = 0; m_minY = 0; m_maxX = 0; m_maxY = 0; - m_logicalOriginX = 0; - m_logicalOriginY = 0; - m_deviceOriginX = 0; - m_deviceOriginY = 0; - m_logicalScaleX = 1.0; - m_logicalScaleY = 1.0; - m_userScaleX = 1.0; - m_userScaleY = 1.0; - m_signX = 1; - m_signY = 1; - m_systemScaleX = 1.0; - m_systemScaleY = 1.0; - m_mappingMode = MM_TEXT; - m_bOwnsDC = FALSE; - m_hDC = 0; - m_clipping = FALSE; - m_ok = TRUE; - m_windowExtX = VIEWPORT_EXTENT; - m_windowExtY = VIEWPORT_EXTENT; - m_logicalFunction = -1; - - m_backgroundBrush = *wxWHITE_BRUSH; - - m_textForegroundColour = *wxBLACK; - m_textBackgroundColour = *wxWHITE; - - m_colour = wxColourDisplay(); - - m_hDCCount = 0; + m_minX = 0; m_minY = 0; m_maxX = 0; m_maxY = 0; + m_clipping = FALSE; + + m_canvas = NULL; + m_oldBitmap = 0; + m_oldPen = 0; + m_oldBrush = 0; + m_oldFont = 0; + m_oldPalette = 0; + m_minX = 0; m_minY = 0; m_maxX = 0; m_maxY = 0; + m_logicalOriginX = 0; + m_logicalOriginY = 0; + m_deviceOriginX = 0; + m_deviceOriginY = 0; + m_logicalScaleX = 1.0; + m_logicalScaleY = 1.0; + m_userScaleX = 1.0; + m_userScaleY = 1.0; + m_signX = 1; + m_signY = 1; + m_systemScaleX = 1.0; + m_systemScaleY = 1.0; + m_mappingMode = wxMM_TEXT; + m_bOwnsDC = FALSE; + m_hDC = 0; + m_clipping = FALSE; + m_ok = TRUE; + m_windowExtX = VIEWPORT_EXTENT; + m_windowExtY = VIEWPORT_EXTENT; + m_logicalFunction = -1; + + m_backgroundBrush = *wxWHITE_BRUSH; + + m_textForegroundColour = *wxBLACK; + m_textBackgroundColour = *wxWHITE; + + m_colour = wxColourDisplay(); + + m_hDCCount = 0; } wxDC::~wxDC(void) { - if ( m_hDC != 0 ) { - SelectOldObjects(m_hDC); - if ( m_bOwnsDC ) { - if ( m_canvas == NULL ) - ::DeleteDC((HDC)m_hDC); - else - ::ReleaseDC((HWND)m_canvas->GetHWND(), (HDC)m_hDC); + if ( m_hDC != 0 ) { + SelectOldObjects(m_hDC); + if ( m_bOwnsDC ) { + if ( m_canvas == NULL ) + ::DeleteDC((HDC)m_hDC); + else + ::ReleaseDC((HWND)m_canvas->GetHWND(), (HDC)m_hDC); + } } - } - + } // This will select current objects out of the DC, @@ -130,696 +130,728 @@ 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()) - { - m_selectedBitmap.SetSelectedInto(NULL); - } - } - 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 (dc) { -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects: Selecting old HPALETTE %X\n", m_oldPalette); -#endif - ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE); + if (m_oldBitmap) + { + ::SelectObject((HDC) dc, (HBITMAP) m_oldBitmap); + if (m_selectedBitmap.Ok()) + { + m_selectedBitmap.SetSelectedInto(NULL); + } + } + m_oldBitmap = 0 ; + if (m_oldPen) + { + ::SelectObject((HDC) dc, (HPEN) m_oldPen); + } + m_oldPen = 0 ; + if (m_oldBrush) + { + ::SelectObject((HDC) dc, (HBRUSH) m_oldBrush); + } + m_oldBrush = 0 ; + if (m_oldFont) + { + ::SelectObject((HDC) dc, (HFONT) m_oldFont); + } + m_oldFont = 0 ; + if (m_oldPalette) + { + ::SelectPalette((HDC) dc, (HPALETTE) m_oldPalette, TRUE); + } + m_oldPalette = 0 ; } -#if WXDEBUG > 1 - wxDebugMsg("wxDC::SelectOldObjects: Done.\n"); -#endif - m_oldPalette = 0 ; - } - - m_brush = wxNullBrush ; - m_pen = wxNullPen; - m_palette = wxNullPalette; - m_font = wxNullFont; - m_backgroundBrush = wxNullBrush; - m_selectedBitmap = wxNullBitmap; + + m_brush = wxNullBrush ; + m_pen = wxNullPen; + m_palette = wxNullPalette; + m_font = wxNullFont; + m_backgroundBrush = wxNullBrush; + m_selectedBitmap = wxNullBitmap; } void wxDC::SetClippingRegion(long cx, long cy, long cw, long ch) { - m_clipping = TRUE; - m_clipX1 = (int)cx; - m_clipY1 = (int)cy; - m_clipX2 = (int)(cx + cw); - m_clipY2 = (int)(cy + ch); + m_clipping = TRUE; + m_clipX1 = (int)cx; + m_clipY1 = (int)cy; + m_clipX2 = (int)(cx + cw); + m_clipY2 = (int)(cy + ch); + + DoClipping((WXHDC) m_hDC); +} - 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) - { - IntersectClipRect((HDC) dc, XLOG2DEV(m_clipX1), YLOG2DEV(m_clipY1), - XLOG2DEV(m_clipX2), YLOG2DEV(m_clipY2)); - } + if (m_clipping && dc) + { + IntersectClipRect((HDC) dc, XLOG2DEV(m_clipX1), YLOG2DEV(m_clipY1), + XLOG2DEV(m_clipX2), YLOG2DEV(m_clipY2)); + } } void wxDC::DestroyClippingRegion(void) { - if (m_clipping && m_hDC) - { - 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; + 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); + SelectClipRgn((HDC) m_hDC, rgn); + DeleteObject(rgn); + } + m_clipping = FALSE; } bool wxDC::CanDrawBitmap(void) const { - return TRUE; + return TRUE; } bool wxDC::CanGetTextExtent(void) const { - // What sort of display is it? - int technology = ::GetDeviceCaps((HDC) m_hDC, TECHNOLOGY); - - bool ok; - - if (technology != DT_RASDISPLAY && technology != DT_RASPRINTER) - ok = FALSE; - else ok = TRUE; - - return ok; + // What sort of display is it? + int technology = ::GetDeviceCaps((HDC) m_hDC, TECHNOLOGY); + + bool ok; + + if (technology != DT_RASDISPLAY && technology != DT_RASPRINTER) + ok = FALSE; + else ok = TRUE; + + return ok; } void wxDC::SetPalette(const wxPalette& palette) { - // Set the old object temporarily, in case the assignment deletes an object - // that's not yet selected out. - if (m_oldPalette) - { - ::SelectPalette((HDC) m_hDC, (HPALETTE) m_oldPalette, TRUE); - m_oldPalette = 0; - } - - m_palette = m_palette; - - if (!m_palette.Ok()) - { - // Setting a NULL colourmap is a way of restoring - // the original colourmap + // Set the old object temporarily, in case the assignment deletes an object + // that's not yet selected out. 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; + ::SelectPalette((HDC) m_hDC, (HPALETTE) m_oldPalette, TRUE); + m_oldPalette = 0; } - - return; - } - if (m_palette.Ok() && m_palette.GetHPALETTE()) - { - HPALETTE oldPal = ::SelectPalette((HDC) m_hDC, (HPALETTE) m_palette.GetHPALETTE(), TRUE); - 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); - } + m_palette = palette; + + if (!m_palette.Ok()) + { + // Setting a NULL colourmap is a way of restoring + // the original colourmap + if (m_oldPalette) + { + ::SelectPalette((HDC) m_hDC, (HPALETTE) m_oldPalette, TRUE); + m_oldPalette = 0; + } + + return; + } + + if (m_palette.Ok() && m_palette.GetHPALETTE()) + { + HPALETTE oldPal = ::SelectPalette((HDC) m_hDC, (HPALETTE) m_palette.GetHPALETTE(), TRUE); + if (!m_oldPalette) + m_oldPalette = (WXHPALETTE) oldPal; + + ::RealizePalette((HDC) m_hDC); + } } void wxDC::Clear(void) { - RECT rect; - if (m_canvas) - GetClientRect((HWND) m_canvas->GetHWND(), &rect); - else if (m_selectedBitmap.Ok()) - { - rect.left = 0; rect.top = 0; - rect.right = m_selectedBitmap.GetWidth(); - rect.bottom = m_selectedBitmap.GetHeight(); - } - (void) ::SetMapMode((HDC) m_hDC, MM_TEXT); - - DWORD colour = GetBkColor((HDC) m_hDC); - HBRUSH brush = CreateSolidBrush(colour); - FillRect((HDC) m_hDC, &rect, brush); - DeleteObject(brush); - - ::SetMapMode((HDC) m_hDC, MM_ANISOTROPIC); - ::SetViewportExtEx((HDC) m_hDC, VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL); - ::SetWindowExtEx((HDC) m_hDC, m_windowExtX, m_windowExtY, NULL); - ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL); - ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); + RECT rect; + if (m_canvas) + GetClientRect((HWND) m_canvas->GetHWND(), &rect); + else if (m_selectedBitmap.Ok()) + { + rect.left = 0; rect.top = 0; + rect.right = m_selectedBitmap.GetWidth(); + rect.bottom = m_selectedBitmap.GetHeight(); + } + (void) ::SetMapMode((HDC) m_hDC, MM_TEXT); + + DWORD colour = GetBkColor((HDC) m_hDC); + HBRUSH brush = CreateSolidBrush(colour); + FillRect((HDC) m_hDC, &rect, brush); + DeleteObject(brush); + + ::SetMapMode((HDC) m_hDC, MM_ANISOTROPIC); + ::SetViewportExtEx((HDC) m_hDC, VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL); + ::SetWindowExtEx((HDC) m_hDC, m_windowExtX, m_windowExtY, NULL); + ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL); + ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); } void wxDC::FloodFill(long x, long y, const wxColour& col, int style) { - (void)ExtFloodFill((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), - col.GetPixel(), - style==wxFLOOD_SURFACE? - FLOODFILLSURFACE:FLOODFILLBORDER - ); - - CalcBoundingBox(x, y); + (void)ExtFloodFill((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), + col.GetPixel(), + style==wxFLOOD_SURFACE? +FLOODFILLSURFACE:FLOODFILLBORDER + ); + + CalcBoundingBox(x, y); } bool wxDC::GetPixel(long x, long y, wxColour *col) const { - // added by steve 29.12.94 (copied from DrawPoint) - // returns TRUE for pixels in the color of the current pen - // and FALSE for all other pixels colors - // if col is non-NULL return the color of the pixel - - // get the color of the pixel - COLORREF pixelcolor = ::GetPixel((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y)); - // get the color of the pen - COLORREF pencolor = 0x00ffffff; - if (m_pen.Ok()) - { - pencolor = m_pen.GetColour().GetPixel() ; - } - - // return the color of the pixel - if(col) - col->Set(GetRValue(pixelcolor),GetGValue(pixelcolor),GetBValue(pixelcolor)); - - // check, if color of the pixels is the same as the color - // of the current pen - return(pixelcolor==pencolor); + // added by steve 29.12.94 (copied from DrawPoint) + // returns TRUE for pixels in the color of the current pen + // and FALSE for all other pixels colors + // if col is non-NULL return the color of the pixel + + // get the color of the pixel + COLORREF pixelcolor = ::GetPixel((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y)); + // get the color of the pen + COLORREF pencolor = 0x00ffffff; + if (m_pen.Ok()) + { + pencolor = m_pen.GetColour().GetPixel() ; + } + + // return the color of the pixel + if(col) + col->Set(GetRValue(pixelcolor),GetGValue(pixelcolor),GetBValue(pixelcolor)); + + // check, if color of the pixels is the same as the color + // of the current pen + return(pixelcolor==pencolor); } void wxDC::CrossHair(long x, long y) { - // We suppose that our screen is 2000x2000 max. - long x1 = x-2000; - long y1 = y-2000; - long x2 = x+2000; - long y2 = y+2000; - - (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x1), YLOG2DEV(y), NULL); - (void)LineTo((HDC) m_hDC, XLOG2DEV(x2), YLOG2DEV(y)); - - (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y1), NULL); - (void)LineTo((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y2)); - - CalcBoundingBox(x1, y1); - CalcBoundingBox(x2, y2); + // We suppose that our screen is 2000x2000 max. + long x1 = x-2000; + long y1 = y-2000; + long x2 = x+2000; + long y2 = y+2000; + + (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x1), YLOG2DEV(y), NULL); + (void)LineTo((HDC) m_hDC, XLOG2DEV(x2), YLOG2DEV(y)); + + (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y1), NULL); + (void)LineTo((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y2)); + + CalcBoundingBox(x1, y1); + CalcBoundingBox(x2, y2); } void wxDC::DrawLine(long x1, long y1, long x2, long y2) { - (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x1), YLOG2DEV(y1), NULL); - (void)LineTo((HDC) m_hDC, XLOG2DEV(x2), YLOG2DEV(y2)); - - /* MATTHEW: [6] New normalization */ + (void)MoveToEx((HDC) m_hDC, XLOG2DEV(x1), YLOG2DEV(y1), NULL); + (void)LineTo((HDC) m_hDC, XLOG2DEV(x2), YLOG2DEV(y2)); + + /* MATTHEW: [6] New normalization */ #if WX_STANDARD_GRAPHICS - (void)LineTo((HDC) m_hDC, XLOG2DEV(x2) + 1, YLOG2DEV(y2)); + (void)LineTo((HDC) m_hDC, XLOG2DEV(x2) + 1, YLOG2DEV(y2)); #endif - - CalcBoundingBox(x1, y1); - CalcBoundingBox(x2, y2); + + CalcBoundingBox(x1, y1); + CalcBoundingBox(x2, y2); } void wxDC::DrawArc(long x1,long y1,long x2,long y2, long xc, long yc) { - double dx = xc-x1 ; - double dy = yc-y1 ; - double radius = (double)sqrt(dx*dx+dy*dy) ;; - if (x1==x2 && x2==y2) - { - DrawEllipse(xc,yc,(double)(radius*2.0),(double)(radius*2)) ; - return ; - } - - long xx1 = XLOG2DEV(x1) ; - long yy1 = YLOG2DEV(y1) ; - long xx2 = XLOG2DEV(x2) ; - long yy2 = YLOG2DEV(y2) ; - long xxc = XLOG2DEV(xc) ; - long yyc = YLOG2DEV(yc) ; - long ray = (long) sqrt(double((xxc-xx1)*(xxc-xx1)+(yyc-yy1)*(yyc-yy1))) ; - - (void)MoveToEx((HDC) m_hDC, (int) xx1, (int) yy1, NULL); - long xxx1 = (long) (xxc-ray); - long yyy1 = (long) (yyc-ray); - long xxx2 = (long) (xxc+ray); - long yyy2 = (long) (yyc+ray); - if (m_brush.Ok() && m_brush.GetStyle() !=wxTRANSPARENT) - { - // Have to add 1 to bottom-right corner of rectangle - // to make semi-circles look right (crooked line otherwise). - // Unfortunately this is not a reliable method, depends - // on the size of shape. - // TODO: figure out why this happens! - Pie((HDC) m_hDC,xxx1,yyy1,xxx2+1,yyy2+1, - xx1,yy1,xx2,yy2) ; - } - else - Arc((HDC) m_hDC,xxx1,yyy1,xxx2,yyy2, + double dx = xc-x1 ; + double dy = yc-y1 ; + double radius = (double)sqrt(dx*dx+dy*dy) ;; + if (x1==x2 && x2==y2) + { + DrawEllipse(xc,yc,(long)(radius*2.0),(long)(radius*2.0)) ; + return ; + } + + long xx1 = XLOG2DEV(x1) ; + long yy1 = YLOG2DEV(y1) ; + long xx2 = XLOG2DEV(x2) ; + long yy2 = YLOG2DEV(y2) ; + long xxc = XLOG2DEV(xc) ; + long yyc = YLOG2DEV(yc) ; + long ray = (long) sqrt(double((xxc-xx1)*(xxc-xx1)+(yyc-yy1)*(yyc-yy1))) ; + + (void)MoveToEx((HDC) m_hDC, (int) xx1, (int) yy1, NULL); + long xxx1 = (long) (xxc-ray); + long yyy1 = (long) (yyc-ray); + long xxx2 = (long) (xxc+ray); + long yyy2 = (long) (yyc+ray); + if (m_brush.Ok() && m_brush.GetStyle() !=wxTRANSPARENT) + { + // Have to add 1 to bottom-right corner of rectangle + // to make semi-circles look right (crooked line otherwise). + // Unfortunately this is not a reliable method, depends + // on the size of shape. + // TODO: figure out why this happens! + Pie((HDC) m_hDC,xxx1,yyy1,xxx2+1,yyy2+1, + xx1,yy1,xx2,yy2) ; + } + else + Arc((HDC) m_hDC,xxx1,yyy1,xxx2,yyy2, xx1,yy1,xx2,yy2) ; - - CalcBoundingBox((xc-radius), (yc-radius)); - CalcBoundingBox((xc+radius), (yc+radius)); + + CalcBoundingBox((xc-radius), (yc-radius)); + CalcBoundingBox((xc+radius), (yc+radius)); } void wxDC::DrawPoint(long x, long y) { - COLORREF color = 0x00ffffff; - if (m_pen.Ok()) - { - color = m_pen.GetColour().GetPixel() ; - } - - SetPixel((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), color); - - CalcBoundingBox(x, y); + COLORREF color = 0x00ffffff; + if (m_pen.Ok()) + { + color = m_pen.GetColour().GetPixel() ; + } + + SetPixel((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), color); + + CalcBoundingBox(x, y); } void wxDC::DrawPolygon(int n, wxPoint points[], long xoffset, long yoffset,int fillStyle) { - // Do things less efficiently if we have offsets - if (xoffset != 0 || yoffset != 0) - { - POINT *cpoints = new POINT[n]; - int i; - for (i = 0; i < n; i++) + // Do things less efficiently if we have offsets + if (xoffset != 0 || yoffset != 0) { - cpoints[i].x = (int)(points[i].x + xoffset); - cpoints[i].y = (int)(points[i].y + yoffset); - - CalcBoundingBox(cpoints[i].x, cpoints[i].y); + POINT *cpoints = new POINT[n]; + int i; + for (i = 0; i < n; i++) + { + cpoints[i].x = (int)(points[i].x + xoffset); + cpoints[i].y = (int)(points[i].y + yoffset); + + CalcBoundingBox(cpoints[i].x, cpoints[i].y); + } + int prev = SetPolyFillMode((HDC) m_hDC,fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING) ; + (void)Polygon((HDC) m_hDC, cpoints, n); + SetPolyFillMode((HDC) m_hDC,prev) ; + delete[] cpoints; + } + else + { + int i; + for (i = 0; i < n; i++) + CalcBoundingBox(points[i].x, points[i].y); + + int prev = SetPolyFillMode((HDC) m_hDC,fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING) ; + (void)Polygon((HDC) m_hDC, (POINT*) points, n); + SetPolyFillMode((HDC) m_hDC,prev) ; } - int prev = SetPolyFillMode((HDC) m_hDC,fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING) ; - (void)Polygon((HDC) m_hDC, cpoints, n); - SetPolyFillMode((HDC) m_hDC,prev) ; - delete[] cpoints; - } - else - { - int i; - for (i = 0; i < n; i++) - CalcBoundingBox(points[i].x, points[i].y); - - int prev = SetPolyFillMode((HDC) m_hDC,fillStyle==wxODDEVEN_RULE?ALTERNATE:WINDING) ; - (void)Polygon((HDC) m_hDC, (POINT*) points, n); - SetPolyFillMode((HDC) m_hDC,prev) ; - } } void wxDC::DrawLines(int n, wxPoint points[], long xoffset, long yoffset) { - // Do things less efficiently if we have offsets - if (xoffset != 0 || yoffset != 0) - { - POINT *cpoints = new POINT[n]; - int i; - for (i = 0; i < n; i++) + // Do things less efficiently if we have offsets + if (xoffset != 0 || yoffset != 0) { - cpoints[i].x = (int)(points[i].x + xoffset); - cpoints[i].y = (int)(points[i].y + yoffset); - - CalcBoundingBox(cpoints[i].x, cpoints[i].y); + POINT *cpoints = new POINT[n]; + int i; + for (i = 0; i < n; i++) + { + cpoints[i].x = (int)(points[i].x + xoffset); + cpoints[i].y = (int)(points[i].y + yoffset); + + CalcBoundingBox(cpoints[i].x, cpoints[i].y); + } + (void)Polyline((HDC) m_hDC, cpoints, n); + delete[] cpoints; + } + else + { + int i; + for (i = 0; i < n; i++) + CalcBoundingBox(points[i].x, points[i].y); + + (void)Polyline((HDC) m_hDC, (POINT*) points, n); } - (void)Polyline((HDC) m_hDC, cpoints, n); - delete[] cpoints; - } - else - { - int i; - for (i = 0; i < n; i++) - CalcBoundingBox(points[i].x, points[i].y); - - (void)Polyline((HDC) m_hDC, (POINT*) points, n); - } } void wxDC::DrawRectangle(long x, long y, long width, long height) { - long x2 = x + width; - long y2 = y + height; - -/* MATTHEW: [6] new normalization */ + long x2 = x + width; + long y2 = y + height; + + /* MATTHEW: [6] new normalization */ #if WX_STANDARD_GRAPHICS - bool do_brush, do_pen; - - do_brush = m_brush.Ok() && m_brush.GetStyle() != wxTRANSPARENT; - do_pen = m_pen.Ok() && m_pen.GetStyle() != wxTRANSPARENT; - - if (do_brush) { - HPEN orig_pen = NULL; - - 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); - - if (do_pen || !m_pen.Ok()) - ::SelectObject((HDC) m_hDC , orig_pen); - } - if (do_pen) { - HBRUSH orig_brush = NULL; - - 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)); - - if (do_brush || !m_brush.Ok()) - ::SelectObject((HDC) m_hDC, orig_brush); - } + bool do_brush, do_pen; + + do_brush = m_brush.Ok() && m_brush.GetStyle() != wxTRANSPARENT; + do_pen = m_pen.Ok() && m_pen.GetStyle() != wxTRANSPARENT; + + if (do_brush) { + HPEN orig_pen = NULL; + + 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); + + if (do_pen || !m_pen.Ok()) + ::SelectObject((HDC) m_hDC , orig_pen); + } + if (do_pen) { + HBRUSH orig_brush = NULL; + + 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)); + + 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)); + (void)Rectangle((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); #endif - - CalcBoundingBox(x, y); - CalcBoundingBox(x2, y2); + + CalcBoundingBox(x, y); + CalcBoundingBox(x2, y2); } void wxDC::DrawRoundedRectangle(long x, long y, long width, long height, double radius) { - // Now, a negative radius value is interpreted to mean - // 'the proportion of the smallest X or Y dimension' - - if (radius < 0.0) - { - double smallest = 0.0; - if (width < height) - smallest = width; - else - smallest = height; - radius = (- radius * smallest); - } - - long x2 = (x+width); - long y2 = (y+height); - - (void)RoundRect((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), - YLOG2DEV(y2), 2*XLOG2DEV(radius), 2*YLOG2DEV(radius)); - - CalcBoundingBox(x, y); - CalcBoundingBox(x2, y2); + // Now, a negative radius value is interpreted to mean + // 'the proportion of the smallest X or Y dimension' + + if (radius < 0.0) + { + double smallest = 0.0; + if (width < height) + smallest = width; + else + smallest = height; + radius = (- radius * smallest); + } + + long x2 = (x+width); + long y2 = (y+height); + + (void)RoundRect((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), + YLOG2DEV(y2), 2*XLOG2DEV(radius), 2*YLOG2DEV(radius)); + + CalcBoundingBox(x, y); + CalcBoundingBox(x2, y2); } void wxDC::DrawEllipse(long x, long y, long width, long height) { - long x2 = (x+width); - long y2 = (y+height); - - (void)Ellipse((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); - - CalcBoundingBox(x, y); - CalcBoundingBox(x2, y2); + long x2 = (x+width); + long y2 = (y+height); + + (void)Ellipse((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); + + CalcBoundingBox(x, y); + CalcBoundingBox(x2, y2); } // Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows void wxDC::DrawEllipticArc(long x,long y,long w,long h,double sa,double ea) { - long x2 = (x+w); - long y2 = (y+h); - - const double deg2rad = 3.14159265359 / 180.0; - int rx1 = XLOG2DEV(x+w/2); - int ry1 = YLOG2DEV(y+h/2); - int rx2 = rx1; - int ry2 = ry1; - rx1 += (int)(100.0 * abs(w) * cos(sa * deg2rad)); - ry1 -= (int)(100.0 * abs(h) * m_signY * sin(sa * deg2rad)); - rx2 += (int)(100.0 * abs(w) * cos(ea * deg2rad)); - ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea * deg2rad)); - - // draw pie with NULL_PEN first and then outline otherwise a line is - // drawn from the start and end points to the centre - HPEN orig_pen = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN) ::GetStockObject(NULL_PEN)); - if (m_signY > 0) - { - (void)Pie((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2)+1, YLOG2DEV(y2)+1, - 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); - } - ::SelectObject((HDC) m_hDC, orig_pen); - (void)Arc((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2), - rx1, ry1, rx2, ry2); - - CalcBoundingBox(x, y); - CalcBoundingBox(x2, y2); + long x2 = (x+w); + long y2 = (y+h); + + const double deg2rad = 3.14159265359 / 180.0; + int rx1 = XLOG2DEV(x+w/2); + int ry1 = YLOG2DEV(y+h/2); + int rx2 = rx1; + int ry2 = ry1; + rx1 += (int)(100.0 * abs(w) * cos(sa * deg2rad)); + ry1 -= (int)(100.0 * abs(h) * m_signY * sin(sa * deg2rad)); + rx2 += (int)(100.0 * abs(w) * cos(ea * deg2rad)); + ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea * deg2rad)); + + // draw pie with NULL_PEN first and then outline otherwise a line is + // drawn from the start and end points to the centre + HPEN orig_pen = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN) ::GetStockObject(NULL_PEN)); + if (m_signY > 0) + { + (void)Pie((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2)+1, YLOG2DEV(y2)+1, + 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); + } + ::SelectObject((HDC) m_hDC, orig_pen); + (void)Arc((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2), + rx1, ry1, rx2, ry2); + + CalcBoundingBox(x, y); + CalcBoundingBox(x2, y2); } void wxDC::DrawIcon(const wxIcon& icon, long x, long y) { - ::DrawIcon((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON()); - CalcBoundingBox(x, y); - CalcBoundingBox(x+icon.GetWidth(), y+icon.GetHeight()); +#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::SetFont(const wxFont& the_font) +void wxDC::DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask ) { - // Set the old object temporarily, in case the assignment deletes an object - // that's not yet selected out. - if (m_oldFont) - { - ::SelectObject((HDC) m_hDC, (HFONT) m_oldFont); - m_oldFont = 0; - } - - m_font = the_font; + 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); + } +} - if (!the_font.Ok()) - { +void wxDC::SetFont(const wxFont& the_font) +{ + // Set the old object temporarily, in case the assignment deletes an object + // that's not yet selected out. if (m_oldFont) - ::SelectObject((HDC) m_hDC, (HFONT) m_oldFont); - m_oldFont = 0 ; - } - - 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) { - wxDebugMsg("::SelectObject failed in wxDC::SetFont."); + ::SelectObject((HDC) m_hDC, (HFONT) m_oldFont); + m_oldFont = 0; + } + + m_font = the_font; + + if (!the_font.Ok()) + { + if (m_oldFont) + ::SelectObject((HDC) m_hDC, (HFONT) m_oldFont); + m_oldFont = 0 ; + } + + if (m_font.Ok() && m_font.GetResourceHandle()) + { + HFONT f = (HFONT) ::SelectObject((HDC) m_hDC, (HFONT) m_font.GetResourceHandle()); + if (f == (HFONT) NULL) + { + wxDebugMsg("::SelectObject failed in wxDC::SetFont."); + } + if (!m_oldFont) + m_oldFont = (WXHFONT) f; } - if (!m_oldFont) - m_oldFont = (WXHFONT) f; - } } void wxDC::SetPen(const wxPen& pen) { - // Set the old object temporarily, in case the assignment deletes an object - // that's not yet selected out. - if (m_oldPen) - { - ::SelectObject((HDC) m_hDC, (HPEN) m_oldPen); - m_oldPen = 0; - } - - m_pen = pen; - - if (!m_pen.Ok()) - { + // Set the old object temporarily, in case the assignment deletes an object + // that's not yet selected out. if (m_oldPen) - ::SelectObject((HDC) m_hDC, (HPEN) m_oldPen); - m_oldPen = 0 ; - } - - if (m_pen.Ok()) - { - if (m_pen.GetResourceHandle()) { - HPEN p = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN)m_pen.GetResourceHandle()) ; - if (!m_oldPen) - m_oldPen = (WXHPEN) p; + ::SelectObject((HDC) m_hDC, (HPEN) m_oldPen); + m_oldPen = 0; + } + + m_pen = pen; + + if (!m_pen.Ok()) + { + if (m_oldPen) + ::SelectObject((HDC) m_hDC, (HPEN) m_oldPen); + m_oldPen = 0 ; + } + + if (m_pen.Ok()) + { + if (m_pen.GetResourceHandle()) + { + HPEN p = (HPEN) ::SelectObject((HDC) m_hDC, (HPEN)m_pen.GetResourceHandle()) ; + if (!m_oldPen) + m_oldPen = (WXHPEN) p; + } } - } } void wxDC::SetBrush(const wxBrush& brush) { - // Set the old object temporarily, in case the assignment deletes an object - // that's not yet selected out. - if (m_oldBrush) - { - ::SelectObject((HDC) m_hDC, (HBRUSH) m_oldBrush); - m_oldBrush = 0; - } - - m_brush = brush; - - if (!m_brush.Ok()) - { + // Set the old object temporarily, in case the assignment deletes an object + // that's not yet selected out. if (m_oldBrush) - ::SelectObject((HDC) m_hDC, (HBRUSH) m_oldBrush); - m_oldBrush = 0 ; - } - - if (m_brush.Ok()) - { - if (m_brush.GetResourceHandle()) { - HBRUSH b = 0; - b = (HBRUSH) ::SelectObject((HDC) m_hDC, (HBRUSH)m_brush.GetResourceHandle()) ; - if (!m_oldBrush) - m_oldBrush = (WXHBRUSH) b; + ::SelectObject((HDC) m_hDC, (HBRUSH) m_oldBrush); + m_oldBrush = 0; + } + + m_brush = brush; + + if (!m_brush.Ok()) + { + if (m_oldBrush) + ::SelectObject((HDC) m_hDC, (HBRUSH) m_oldBrush); + m_oldBrush = 0 ; + } + + if (m_brush.Ok()) + { + if (m_brush.GetResourceHandle()) + { + HBRUSH b = 0; + b = (HBRUSH) ::SelectObject((HDC) m_hDC, (HBRUSH)m_brush.GetResourceHandle()) ; + if (!m_oldBrush) + m_oldBrush = (WXHBRUSH) b; + } } - } } void wxDC::DrawText(const wxString& text, long x, long y, bool use16bit) { // Should be unnecessary: SetFont should have done this already. #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; - } + if (m_font.Ok() && m_font.GetResourceHandle()) + { + HFONT f = (HFONT) ::SelectObject((HDC) m_hDC, (HFONT) m_font.GetResourceHandle()); + if (!m_oldFont) + m_oldFont = (WXHFONT) f; + } #endif - - if (m_textForegroundColour.Ok()) - SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ; - - DWORD old_background; - if (m_textBackgroundColour.Ok()) - { - old_background = SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ; - } - - if (m_backgroundMode == wxTRANSPARENT) - SetBkMode((HDC) m_hDC, TRANSPARENT); - else - SetBkMode((HDC) m_hDC, OPAQUE); - - (void)TextOut((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (char *) (const char *)text, strlen((const char *)text)); - - if (m_textBackgroundColour.Ok()) - (void)SetBkColor((HDC) m_hDC, old_background); - - CalcBoundingBox(x, y); - - long w, h; - GetTextExtent(text, &w, &h); - CalcBoundingBox((x + w), (y + h)); + + if (m_textForegroundColour.Ok()) + SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ; + + DWORD old_background = 0; + if (m_textBackgroundColour.Ok()) + { + old_background = SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ; + } + + if (m_backgroundMode == wxTRANSPARENT) + SetBkMode((HDC) m_hDC, TRANSPARENT); + else + SetBkMode((HDC) m_hDC, OPAQUE); + + (void)TextOut((HDC) m_hDC, XLOG2DEV(x), YLOG2DEV(y), (char *) (const char *)text, strlen((const char *)text)); + + if (m_textBackgroundColour.Ok()) + (void)SetBkColor((HDC) m_hDC, old_background); + + CalcBoundingBox(x, y); + + long w, h; + GetTextExtent(text, &w, &h); + CalcBoundingBox((x + w), (y + h)); } void wxDC::SetBackground(const wxBrush& brush) { - m_backgroundBrush = brush; - - if (!m_backgroundBrush.Ok()) - return; - - if (m_canvas) - { - bool customColours = TRUE; - // If we haven't specified wxUSER_COLOURS, don't allow the panel/dialog box to - // change background colours from the control-panel specified colours. - if (m_canvas->IsKindOf(CLASSINFO(wxWindow)) && ((m_canvas->GetWindowStyleFlag() & wxUSER_COLOURS) != wxUSER_COLOURS)) - customColours = FALSE; - - if (customColours) + m_backgroundBrush = brush; + + if (!m_backgroundBrush.Ok()) + return; + + if (m_canvas) + { + bool customColours = TRUE; + // If we haven't specified wxUSER_COLOURS, don't allow the panel/dialog box to + // change background colours from the control-panel specified colours. + if (m_canvas->IsKindOf(CLASSINFO(wxWindow)) && ((m_canvas->GetWindowStyleFlag() & wxUSER_COLOURS) != wxUSER_COLOURS)) + customColours = FALSE; + + if (customColours) + { + if (m_backgroundBrush.GetStyle()==wxTRANSPARENT) + { + m_canvas->m_backgroundTransparent = TRUE; + } + else + { + // New behaviour, 10/2/99: setting the background brush of a DC + // doesn't affect the window background colour. However, + // I'm leaving in the transparency setting because it's needed by + // various controls (e.g. wxStaticText) to determine whether to draw + // transparently or not. TODO: maybe this should be a new function + // wxWindow::SetTransparency(). Should that apply to the child itself, or the + // parent? + // m_canvas->SetBackgroundColour(m_backgroundBrush.GetColour()); + m_canvas->m_backgroundTransparent = FALSE; + } + } + } + COLORREF new_color = m_backgroundBrush.GetColour().GetPixel() ; { - if (m_backgroundBrush.GetStyle()==wxTRANSPARENT) - { - m_canvas->m_backgroundTransparent = TRUE; - } - else - { - m_canvas->SetBackgroundColour(m_backgroundBrush.GetColour()); - m_canvas->m_backgroundTransparent = FALSE; - } + (void)SetBkColor((HDC) m_hDC, new_color); } - } - COLORREF new_color = m_backgroundBrush.GetColour().GetPixel() ; - { - (void)SetBkColor((HDC) m_hDC, new_color); - } } void wxDC::SetBackgroundMode(int mode) { - m_backgroundMode = mode; - - if (m_backgroundMode == wxTRANSPARENT) - ::SetBkMode((HDC) m_hDC, TRANSPARENT); - else - ::SetBkMode((HDC) m_hDC, OPAQUE); + m_backgroundMode = mode; + + if (m_backgroundMode == wxTRANSPARENT) + ::SetBkMode((HDC) m_hDC, TRANSPARENT); + else + ::SetBkMode((HDC) m_hDC, OPAQUE); } void wxDC::SetLogicalFunction(int function) { - m_logicalFunction = function; - - SetRop((WXHDC) m_hDC); + m_logicalFunction = function; + + SetRop((WXHDC) m_hDC); } void wxDC::SetRop(WXHDC dc) { - if (!dc || m_logicalFunction < 0) - return; - - int c_rop; - // These may be wrong - switch (m_logicalFunction) - { -// case wxXOR: c_rop = R2_XORPEN; break; + if (!dc || m_logicalFunction < 0) + return; + + int c_rop; + // These may be wrong + switch (m_logicalFunction) + { + // case wxXOR: c_rop = R2_XORPEN; break; case wxXOR: c_rop = R2_NOTXORPEN; break; case wxINVERT: c_rop = R2_NOT; break; case wxOR_REVERSE: c_rop = R2_MERGEPENNOT; break; @@ -835,258 +867,212 @@ void wxDC::SetRop(WXHDC dc) case wxNAND: case wxCOPY: default: - c_rop = R2_COPYPEN; break; - } - SetROP2((HDC) dc, c_rop); + c_rop = R2_COPYPEN; break; + } + SetROP2((HDC) dc, c_rop); } bool wxDC::StartDoc(const wxString& message) { - if (!this->IsKindOf(CLASSINFO(wxPrinterDC))) + // We might be previewing, so return TRUE to let it continue. return TRUE; - - DOCINFO docinfo; - docinfo.cbSize = sizeof(DOCINFO); - docinfo.lpszDocName = (const char *)message; - - if (m_filename.IsEmpty()) - docinfo.lpszOutput = NULL; - else - docinfo.lpszOutput = (const char *)m_filename; - -#if defined(__WIN95__) - docinfo.lpszDatatype = NULL; - docinfo.fwType = 0; -#endif - - if (!m_hDC) - return FALSE; - - int ret = -#ifndef __WIN32__ - ::StartDoc((HDC) m_hDC, &docinfo); -#else -#ifdef UNICODE - ::StartDocW((HDC) m_hDC, &docinfo); -#else - ::StartDocA((HDC) m_hDC, &docinfo); -#endif -#endif - - if (ret <= 0) - { - DWORD lastError = GetLastError(); - wxDebugMsg("wxDC::StartDoc failed with error: %d\n", lastError); - } - return (ret > 0); } void wxDC::EndDoc(void) { - if (!this->IsKindOf(CLASSINFO(wxPrinterDC))) - return; - if (m_hDC) ::EndDoc((HDC) m_hDC); } void wxDC::StartPage(void) { - if (!this->IsKindOf(CLASSINFO(wxPrinterDC))) - return; - if (m_hDC) - ::StartPage((HDC) m_hDC); } void wxDC::EndPage(void) { - if (!this->IsKindOf(CLASSINFO(wxPrinterDC))) - return; - if (m_hDC) - ::EndPage((HDC) m_hDC); } long wxDC::GetCharHeight(void) const { - TEXTMETRIC lpTextMetric; - - GetTextMetrics((HDC) m_hDC, &lpTextMetric); - - return YDEV2LOGREL(lpTextMetric.tmHeight); + TEXTMETRIC lpTextMetric; + + GetTextMetrics((HDC) m_hDC, &lpTextMetric); + + return YDEV2LOGREL(lpTextMetric.tmHeight); } long wxDC::GetCharWidth(void) const { - TEXTMETRIC lpTextMetric; - - GetTextMetrics((HDC) m_hDC, &lpTextMetric); - - return XDEV2LOGREL(lpTextMetric.tmAveCharWidth); + TEXTMETRIC lpTextMetric; + + GetTextMetrics((HDC) m_hDC, &lpTextMetric); + + return XDEV2LOGREL(lpTextMetric.tmAveCharWidth); } void wxDC::GetTextExtent(const wxString& string, long *x, long *y, long *descent, long *externalLeading, wxFont *theFont, bool use16bit) const { - wxFont *fontToUse = (wxFont*) theFont; - if (!fontToUse) - fontToUse = (wxFont*) &m_font; - - SIZE sizeRect; - TEXTMETRIC tm; - - GetTextExtentPoint((HDC) m_hDC, (char *)(const char *) string, strlen((char *)(const char *) string), &sizeRect); - GetTextMetrics((HDC) m_hDC, &tm); - - if (x) *x = XDEV2LOGREL(sizeRect.cx); - if (y) *y = YDEV2LOGREL(sizeRect.cy); - if (descent) *descent = tm.tmDescent; - if (externalLeading) *externalLeading = tm.tmExternalLeading; + wxFont *fontToUse = (wxFont*) theFont; + if (!fontToUse) + fontToUse = (wxFont*) &m_font; + + SIZE sizeRect; + TEXTMETRIC tm; + + GetTextExtentPoint((HDC) m_hDC, (char *)(const char *) string, strlen((char *)(const char *) string), &sizeRect); + GetTextMetrics((HDC) m_hDC, &tm); + + if (x) *x = XDEV2LOGREL(sizeRect.cx); + if (y) *y = YDEV2LOGREL(sizeRect.cy); + if (descent) *descent = tm.tmDescent; + if (externalLeading) *externalLeading = tm.tmExternalLeading; } void wxDC::SetMapMode(int mode) { - m_mappingMode = mode; - - int pixel_width = 0; - int pixel_height = 0; - int mm_width = 0; - int mm_height = 0; - - pixel_width = GetDeviceCaps((HDC) m_hDC, HORZRES); - pixel_height = GetDeviceCaps((HDC) m_hDC, VERTRES); - mm_width = GetDeviceCaps((HDC) m_hDC, HORZSIZE); - mm_height = GetDeviceCaps((HDC) m_hDC, VERTSIZE); - - if ((pixel_width == 0) || (pixel_height == 0) || (mm_width == 0) || (mm_height == 0)) - { - return; - } - - double mm2pixelsX = pixel_width/mm_width; - double mm2pixelsY = pixel_height/mm_height; - - switch (mode) - { - case MM_TWIPS: - { - m_logicalScaleX = (twips2mm * mm2pixelsX); - m_logicalScaleY = (twips2mm * mm2pixelsY); - break; - } - case MM_POINTS: - { - m_logicalScaleX = (pt2mm * mm2pixelsX); - m_logicalScaleY = (pt2mm * mm2pixelsY); - break; - } - case MM_METRIC: + m_mappingMode = mode; + + int pixel_width = 0; + int pixel_height = 0; + int mm_width = 0; + int mm_height = 0; + + pixel_width = GetDeviceCaps((HDC) m_hDC, HORZRES); + pixel_height = GetDeviceCaps((HDC) m_hDC, VERTRES); + mm_width = GetDeviceCaps((HDC) m_hDC, HORZSIZE); + mm_height = GetDeviceCaps((HDC) m_hDC, VERTSIZE); + + if ((pixel_width == 0) || (pixel_height == 0) || (mm_width == 0) || (mm_height == 0)) { - m_logicalScaleX = mm2pixelsX; - m_logicalScaleY = mm2pixelsY; - break; + return; } - case MM_LOMETRIC: + + double mm2pixelsX = pixel_width/mm_width; + double mm2pixelsY = pixel_height/mm_height; + + switch (mode) { - m_logicalScaleX = (mm2pixelsX/10.0); - m_logicalScaleY = (mm2pixelsY/10.0); - break; - } + case wxMM_TWIPS: + { + m_logicalScaleX = (twips2mm * mm2pixelsX); + m_logicalScaleY = (twips2mm * mm2pixelsY); + break; + } + case wxMM_POINTS: + { + m_logicalScaleX = (pt2mm * mm2pixelsX); + m_logicalScaleY = (pt2mm * mm2pixelsY); + break; + } + case wxMM_METRIC: + { + m_logicalScaleX = mm2pixelsX; + m_logicalScaleY = mm2pixelsY; + break; + } + case wxMM_LOMETRIC: + { + m_logicalScaleX = (mm2pixelsX/10.0); + m_logicalScaleY = (mm2pixelsY/10.0); + break; + } default: - case MM_TEXT: - { - m_logicalScaleX = 1.0; - m_logicalScaleY = 1.0; - break; + case wxMM_TEXT: + { + m_logicalScaleX = 1.0; + m_logicalScaleY = 1.0; + break; + } } - } - - if (::GetMapMode((HDC) m_hDC) != MM_ANISOTROPIC) - ::SetMapMode((HDC) m_hDC, MM_ANISOTROPIC); - - SetViewportExtEx((HDC) m_hDC, VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL); - m_windowExtX = (int)MS_XDEV2LOGREL(VIEWPORT_EXTENT); - m_windowExtY = (int)MS_YDEV2LOGREL(VIEWPORT_EXTENT); - ::SetWindowExtEx((HDC) m_hDC, m_windowExtX, m_windowExtY, NULL); - ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL); - ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); + + if (::GetMapMode((HDC) m_hDC) != MM_ANISOTROPIC) + ::SetMapMode((HDC) m_hDC, MM_ANISOTROPIC); + + SetViewportExtEx((HDC) m_hDC, VIEWPORT_EXTENT, VIEWPORT_EXTENT, NULL); + m_windowExtX = (int)MS_XDEV2LOGREL(VIEWPORT_EXTENT); + m_windowExtY = (int)MS_YDEV2LOGREL(VIEWPORT_EXTENT); + ::SetWindowExtEx((HDC) m_hDC, m_windowExtX, m_windowExtY, NULL); + ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL); + ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); } void wxDC::SetUserScale(double x, double y) { - m_userScaleX = x; - m_userScaleY = y; - - SetMapMode(m_mappingMode); + m_userScaleX = x; + m_userScaleY = y; + + SetMapMode(m_mappingMode); } void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp) { - m_signX = xLeftRight ? 1 : -1; - m_signY = yBottomUp ? -1 : 1; - - SetMapMode(m_mappingMode); + m_signX = xLeftRight ? 1 : -1; + m_signY = yBottomUp ? -1 : 1; + + SetMapMode(m_mappingMode); } void wxDC::SetSystemScale(double x, double y) { - m_systemScaleX = x; - m_systemScaleY = y; - - SetMapMode(m_mappingMode); + m_systemScaleX = x; + m_systemScaleY = y; + + SetMapMode(m_mappingMode); } void wxDC::SetLogicalOrigin(long x, long y) { - m_logicalOriginX = x; - m_logicalOriginY = y; - - ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); + m_logicalOriginX = x; + m_logicalOriginY = y; + + ::SetWindowOrgEx((HDC) m_hDC, (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); } void wxDC::SetDeviceOrigin(long x, long y) { - m_deviceOriginX = x; - m_deviceOriginY = y; - - ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL); + m_deviceOriginX = x; + m_deviceOriginY = y; + + ::SetViewportOrgEx((HDC) m_hDC, (int)m_deviceOriginX, (int)m_deviceOriginY, NULL); } 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 @@ -1095,269 +1081,273 @@ 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, wxDC *source, long xsrc, long ysrc, int rop, bool useMask) { - long xdest1 = xdest; - long ydest1 = ydest; - long xsrc1 = xsrc; - long ysrc1 = ysrc; - - // Chris Breeze 18/5/98: use text foreground/background colours - // when blitting from 1-bit bitmaps - COLORREF old_textground = ::GetTextColor((HDC)m_hDC); - COLORREF old_background = ::GetBkColor((HDC)m_hDC); - if (m_textForegroundColour.Ok()) - { - ::SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ; - } - if (m_textBackgroundColour.Ok()) - { - ::SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ; - } - - 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; - if (useMask && source->m_selectedBitmap.Ok() && source->m_selectedBitmap.GetMask()) - { - + long xdest1 = xdest; + long ydest1 = ydest; + long xsrc1 = xsrc; + long ysrc1 = ysrc; + + // Chris Breeze 18/5/98: use text foreground/background colours + // when blitting from 1-bit bitmaps + COLORREF old_textground = ::GetTextColor((HDC)m_hDC); + COLORREF old_background = ::GetBkColor((HDC)m_hDC); + if (m_textForegroundColour.Ok()) + { + ::SetTextColor((HDC) m_hDC, m_textForegroundColour.GetPixel() ) ; + } + if (m_textBackgroundColour.Ok()) + { + ::SetBkColor((HDC) m_hDC, m_textBackgroundColour.GetPixel() ) ; + } + + 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()) + { + #if 0 // __WIN32__ - // Not implemented under Win95 (or maybe a specific device?) - if (MaskBlt((HDC) m_hDC, xdest1, ydest1, (int)width, (int)height, + // 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)) - { - // Success - } - else + { + // Success + } + else #endif - { - // Old code + { + // Old code #if 0 - 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); - 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 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); + 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); #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); - } - } - } - else - { - 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; - ::FillRect((HDC) m_hDC, &rect, brush); - ::DeleteObject(brush); - } - } + // 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); + } + } } - 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); - - return success; + else + { + 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; + ::FillRect((HDC) m_hDC, &rect, brush); + ::DeleteObject(brush); + } + } + } + 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); + + return success; } void wxDC::GetSize(int* width, int* height) const { - long w=::GetDeviceCaps((HDC) m_hDC,HORZRES); - long h=::GetDeviceCaps((HDC) m_hDC,VERTRES); - *width = w; - *height = h; + long w=::GetDeviceCaps((HDC) m_hDC,HORZRES); + long h=::GetDeviceCaps((HDC) m_hDC,VERTRES); + *width = w; + *height = h; } -void wxDC::GetSizeMM(long *width, long *height) const +void wxDC::GetSizeMM(int *width, int *height) const { - long w=::GetDeviceCaps((HDC) m_hDC,HORZSIZE); - long h=::GetDeviceCaps((HDC) m_hDC,VERTSIZE); - *width = w; - *height = h; + int w=::GetDeviceCaps((HDC) m_hDC,HORZSIZE); + int h=::GetDeviceCaps((HDC) m_hDC,VERTSIZE); + *width = w; + *height = h; } -#if USE_SPLINES -#include "xfspline.inc" -#endif // USE_SPLINES +// Resolution in Pixels per inch +wxSize wxDC::GetPPI(void) const +{ + int x=::GetDeviceCaps((HDC) m_hDC,LOGPIXELSX); + int y=::GetDeviceCaps((HDC) m_hDC,LOGPIXELSY); + return wxSize(x, y); +} void wxDC::DrawPolygon(wxList *list, long xoffset, long yoffset,int fillStyle) { - int n = list->Number(); - wxPoint *points = new wxPoint[n]; - - int i = 0; - for(wxNode *node = list->First(); node; node = node->Next()) { - wxPoint *point = (wxPoint *)node->Data(); - points[i].x = point->x; - points[i++].y = point->y; - } - DrawPolygon(n, points, xoffset, yoffset,fillStyle); - delete[] points; + int n = list->Number(); + wxPoint *points = new wxPoint[n]; + + int i = 0; + for(wxNode *node = list->First(); node; node = node->Next()) { + wxPoint *point = (wxPoint *)node->Data(); + points[i].x = point->x; + points[i++].y = point->y; + } + DrawPolygon(n, points, xoffset, yoffset,fillStyle); + delete[] points; } void wxDC::DrawLines(wxList *list, long xoffset, long yoffset) { - int n = list->Number(); - wxPoint *points = new wxPoint[n]; - - int i = 0; - for(wxNode *node = list->First(); node; node = node->Next()) { - wxPoint *point = (wxPoint *)node->Data(); - points[i].x = point->x; - points[i++].y = point->y; - } - DrawLines(n, points, xoffset, yoffset); - delete []points; + int n = list->Number(); + wxPoint *points = new wxPoint[n]; + + int i = 0; + for(wxNode *node = list->First(); node; node = node->Next()) { + wxPoint *point = (wxPoint *)node->Data(); + points[i].x = point->x; + points[i++].y = point->y; + } + DrawLines(n, points, xoffset, yoffset); + delete []points; } void wxDC::SetTextForeground(const wxColour& colour) @@ -1370,70 +1360,42 @@ void wxDC::SetTextBackground(const wxColour& colour) m_textBackgroundColour = colour; } -#if USE_SPLINES -// Make a 3-point spline -void wxDC::DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3) -{ - wxList *point_list = new wxList; - - wxPoint *point1 = new wxPoint; - point1->x = x1; point1->y = y1; - point_list->Append((wxObject*)point1); - - wxPoint *point2 = new wxPoint; - point2->x = x2; point2->y = y2; - point_list->Append((wxObject*)point2); - - wxPoint *point3 = new wxPoint; - point3->x = x3; point3->y = y3; - point_list->Append((wxObject*)point3); - - DrawSpline(point_list); - - for(wxNode *node = point_list->First(); node; node = node->Next()) { - wxPoint *p = (wxPoint *)node->Data(); - delete p; - } - delete point_list; -} -#endif - // For use by wxWindows only, unless custom units are required. void wxDC::SetLogicalScale(double x, double y) { - m_logicalScaleX = x; - m_logicalScaleY = y; + m_logicalScaleX = x; + m_logicalScaleY = y; } void wxDC::CalcBoundingBox(long x, long y) { - if (x < m_minX) m_minX = x; - if (y < m_minY) m_minY = y; - if (x > m_maxX) m_maxX = x; - if (y > m_maxY) m_maxY = y; + if (x < m_minX) m_minX = x; + if (y < m_minY) m_minY = y; + if (x > m_maxX) m_maxX = x; + if (y > m_maxY) m_maxY = y; } void wxDC::GetClippingBox(long *x,long *y,long *w,long *h) const { - if (m_clipping) - { - *x = m_clipX1 ; - *y = m_clipY1 ; - *w = (m_clipX2 - m_clipX1) ; - *h = (m_clipY2 - m_clipY1) ; - } - else - *x = *y = *w = *h = 0 ; + if (m_clipping) + { + *x = m_clipX1 ; + *y = m_clipY1 ; + *w = (m_clipX2 - m_clipX1) ; + *h = (m_clipY2 - m_clipY1) ; + } + else + *x = *y = *w = *h = 0 ; } #if WXWIN_COMPATIBILITY void wxDC::GetTextExtent(const wxString& string, float *x, float *y, - float *descent, float *externalLeading, - wxFont *theFont, bool use16bit) const + float *descent, float *externalLeading, + 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) @@ -1443,7 +1405,277 @@ void wxDC::GetTextExtent(const wxString& string, float *x, float *y, int wxDC::GetDepth(void) const { - return (int) ::GetDeviceCaps((HDC) m_hDC,BITSPIXEL); + return (int) ::GetDeviceCaps((HDC) m_hDC,BITSPIXEL); +} + +#if wxUSE_SPLINES + +// Make a 3-point spline +void wxDC::DrawSpline(long x1, long y1, long x2, long y2, long x3, long y3) +{ + wxList *point_list = new wxList; + + wxPoint *point1 = new wxPoint; + point1->x = x1; point1->y = y1; + point_list->Append((wxObject*)point1); + + wxPoint *point2 = new wxPoint; + point2->x = x2; point2->y = y2; + point_list->Append((wxObject*)point2); + + wxPoint *point3 = new wxPoint; + point3->x = x3; point3->y = y3; + point_list->Append((wxObject*)point3); + + DrawSpline(point_list); + + for(wxNode *node = point_list->First(); node; node = node->Next()) { + wxPoint *p = (wxPoint *)node->Data(); + delete p; + } + delete point_list; +} + +////#define wx_round(a) (int)((a)+.5) +//#define wx_round(a) (a) + +class wxSpline: public wxObject +{ +public: + int type; + wxList *points; + + wxSpline(wxList *list); + void DeletePoints(void); + + // Doesn't delete points + ~wxSpline(void); +}; + +void wxDC::DrawSpline(int n, wxPoint points[]) +{ + wxList list; + int i; + for (i =0; i < n; i++) + list.Append((wxObject*)&points[i]); + DrawSpline((wxList *)&list); } +void wx_draw_open_spline(wxDC *dc, wxSpline *spline); + +void wx_quadratic_spline(double a1, double b1, double a2, double b2, + double a3, double b3, double a4, double b4); +void wx_clear_stack(void); +int wx_spline_pop(double *x1, double *y1, double *x2, double *y2, double *x3, + double *y3, double *x4, double *y4); +void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, + double x4, double y4); +static bool wx_spline_add_point(double x, double y); +static void wx_spline_draw_point_array(wxDC *dc); +wxSpline *wx_make_spline(int x1, int y1, int x2, int y2, int x3, int y3); + +void wxDC::DrawSpline(wxList *list) +{ + wxSpline spline(list); + + wx_draw_open_spline(this, &spline); +} + + +wxList wx_spline_point_list; + +void wx_draw_open_spline(wxDC *dc, wxSpline *spline) +{ + wxPoint *p; + double cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4; + double x1, y1, x2, y2; + + wxNode *node = spline->points->First(); + p = (wxPoint *)node->Data(); + + x1 = p->x; + y1 = p->y; + + node = node->Next(); + p = (wxPoint *)node->Data(); + + x2 = p->x; + y2 = p->y; + cx1 = (double)((x1 + x2) / 2); + cy1 = (double)((y1 + y2) / 2); + cx2 = (double)((cx1 + x2) / 2); + cy2 = (double)((cy1 + y2) / 2); + + wx_spline_add_point(x1, y1); + + while ((node = node->Next()) != NULL) + { + p = (wxPoint *)node->Data(); + 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; + cy3 = (double)(y1 + cy4) / 2; + + wx_quadratic_spline(cx1, cy1, cx2, cy2, cx3, cy3, cx4, cy4); + + cx1 = cx4; + cy1 = cy4; + cx2 = (double)(cx1 + x2) / 2; + cy2 = (double)(cy1 + y2) / 2; + } + + wx_spline_add_point((double)wx_round(cx1), (double)wx_round(cy1)); + wx_spline_add_point(x2, y2); + + wx_spline_draw_point_array(dc); + +} + +/********************* CURVES FOR SPLINES ***************************** + + 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. + + and + + "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 + +/* iterative version */ + +void wx_quadratic_spline(double a1, double b1, double a2, double b2, double a3, double b3, double a4, + double b4) +{ + register double xmid, ymid; + double x1, y1, x2, y2, x3, y3, x4, y4; + + wx_clear_stack(); + wx_spline_push(a1, b1, a2, b2, a3, b3, a4, b4); + + 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) { + 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 { + 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); + } + } +} + + +/* utilities used by spline drawing routines */ + + +typedef struct wx_spline_stack_struct { + double x1, y1, x2, y2, x3, y3, x4, y4; +} +Stack; + +#define SPLINE_STACK_DEPTH 20 +static Stack wx_spline_stack[SPLINE_STACK_DEPTH]; +static Stack *wx_stack_top; +static int wx_stack_count; + +void wx_clear_stack(void) +{ + wx_stack_top = wx_spline_stack; + wx_stack_count = 0; +} + +void wx_spline_push(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4) +{ + wx_stack_top->x1 = x1; + wx_stack_top->y1 = y1; + wx_stack_top->x2 = x2; + wx_stack_top->y2 = y2; + wx_stack_top->x3 = x3; + wx_stack_top->y3 = y3; + wx_stack_top->x4 = x4; + wx_stack_top->y4 = y4; + wx_stack_top++; + wx_stack_count++; +} + +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); + wx_stack_top--; + wx_stack_count--; + *x1 = wx_stack_top->x1; + *y1 = wx_stack_top->y1; + *x2 = wx_stack_top->x2; + *y2 = wx_stack_top->y2; + *x3 = wx_stack_top->x3; + *y3 = wx_stack_top->y3; + *x4 = wx_stack_top->x4; + *y4 = wx_stack_top->y4; + return (1); +} + +static bool wx_spline_add_point(double x, double y) +{ + wxPoint *point = new wxPoint ; + point->x = (int) x; + point->y = (int) y; + wx_spline_point_list.Append((wxObject*)point); + return TRUE; +} + +static void wx_spline_draw_point_array(wxDC *dc) +{ + dc->DrawLines(&wx_spline_point_list, 0, 0); + wxNode *node = wx_spline_point_list.First(); + while (node) + { + wxPoint *point = (wxPoint *)node->Data(); + delete point; + delete node; + node = wx_spline_point_list.First(); + } +} + +wxSpline::wxSpline(wxList *list) +{ + points = list; +} + +wxSpline::~wxSpline(void) +{ +} + +void wxSpline::DeletePoints(void) +{ + for(wxNode *node = points->First(); node; node = points->First()) + { + wxPoint *point = (wxPoint *)node->Data(); + delete point; + delete node; + } + delete points; +} + + +#endif // wxUSE_SPLINES