X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..342751763793b5cdad252d731aac0618d0674e5b:/src/msw/dc.cpp diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp index c32a359fd1..3cffc336ee 100644 --- a/src/msw/dc.cpp +++ b/src/msw/dc.cpp @@ -58,9 +58,7 @@ #include "wx/msw/private.h" -#if !USE_SHARED_LIBRARY IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject) -#endif // --------------------------------------------------------------------------- // constants @@ -71,6 +69,18 @@ static const int VIEWPORT_EXTENT = 1000; static const int MM_POINTS = 9; static const int MM_METRIC = 10; +// usually this is defined in math.h +#ifndef M_PI + static const double M_PI = 3.14159265358979323846; +#endif // M_PI + +// --------------------------------------------------------------------------- +// private functions +// --------------------------------------------------------------------------- + +// convert degrees to radians +static inline double DegToRad(double deg) { return (deg * M_PI) / 180.0; } + // =========================================================================== // implementation // =========================================================================== @@ -164,7 +174,7 @@ void wxDC::SelectOldObjects(WXHDC dc) // clipping // --------------------------------------------------------------------------- -void wxDC::DoSetClippingRegion(long cx, long cy, long cw, long ch) +void wxDC::DoSetClippingRegion(wxCoord cx, wxCoord cy, wxCoord cw, wxCoord ch) { m_clipping = TRUE; m_clipX1 = (int)cx; @@ -273,7 +283,7 @@ void wxDC::Clear() ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); } -void wxDC::DoFloodFill(long x, long y, const wxColour& col, int style) +void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style) { (void)ExtFloodFill(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), col.GetPixel(), @@ -283,7 +293,7 @@ void wxDC::DoFloodFill(long x, long y, const wxColour& col, int style) CalcBoundingBox(x, y); } -bool wxDC::DoGetPixel(long x, long y, wxColour *col) const +bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const { // added by steve 29.12.94 (copied from DrawPoint) // returns TRUE for pixels in the color of the current pen @@ -308,12 +318,12 @@ bool wxDC::DoGetPixel(long x, long y, wxColour *col) const return(pixelcolor==pencolor); } -void wxDC::DoCrossHair(long x, long y) +void wxDC::DoCrossHair(wxCoord x, wxCoord y) { - long x1 = x-VIEWPORT_EXTENT; - long y1 = y-VIEWPORT_EXTENT; - long x2 = x+VIEWPORT_EXTENT; - long y2 = y+VIEWPORT_EXTENT; + wxCoord x1 = x-VIEWPORT_EXTENT; + wxCoord y1 = y-VIEWPORT_EXTENT; + wxCoord x2 = x+VIEWPORT_EXTENT; + wxCoord y2 = y+VIEWPORT_EXTENT; (void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y), NULL); (void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y)); @@ -325,7 +335,7 @@ void wxDC::DoCrossHair(long x, long y) CalcBoundingBox(x2, y2); } -void wxDC::DoDrawLine(long x1, long y1, long x2, long y2) +void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) { (void)MoveToEx(GetHdc(), XLOG2DEV(x1), YLOG2DEV(y1), NULL); (void)LineTo(GetHdc(), XLOG2DEV(x2), YLOG2DEV(y2)); @@ -339,30 +349,30 @@ void wxDC::DoDrawLine(long x1, long y1, long x2, long y2) CalcBoundingBox(x2, y2); } -void wxDC::DoDrawArc(long x1,long y1,long x2,long y2, long xc, long yc) +void wxDC::DoDrawArc(wxCoord x1,wxCoord y1,wxCoord x2,wxCoord y2, wxCoord xc, wxCoord 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,(long)(radius*2.0),(long)(radius*2.0)); + DrawEllipse(xc,yc,(wxCoord)(radius*2.0),(wxCoord)(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))); + wxCoord xx1 = XLOG2DEV(x1); + wxCoord yy1 = YLOG2DEV(y1); + wxCoord xx2 = XLOG2DEV(x2); + wxCoord yy2 = YLOG2DEV(y2); + wxCoord xxc = XLOG2DEV(xc); + wxCoord yyc = YLOG2DEV(yc); + wxCoord ray = (wxCoord) sqrt(double((xxc-xx1)*(xxc-xx1)+(yyc-yy1)*(yyc-yy1))); (void)MoveToEx(GetHdc(), (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); + wxCoord xxx1 = (wxCoord) (xxc-ray); + wxCoord yyy1 = (wxCoord) (yyc-ray); + wxCoord xxx2 = (wxCoord) (xxc+ray); + wxCoord yyy2 = (wxCoord) (yyc+ray); if (m_brush.Ok() && m_brush.GetStyle() !=wxTRANSPARENT) { // Have to add 1 to bottom-right corner of rectangle @@ -377,11 +387,11 @@ void wxDC::DoDrawArc(long x1,long y1,long x2,long y2, long xc, long yc) Arc(GetHdc(),xxx1,yyy1,xxx2,yyy2, xx1,yy1,xx2,yy2); - CalcBoundingBox((long)(xc-radius), (long)(yc-radius)); - CalcBoundingBox((long)(xc+radius), (long)(yc+radius)); + CalcBoundingBox((wxCoord)(xc-radius), (wxCoord)(yc-radius)); + CalcBoundingBox((wxCoord)(xc+radius), (wxCoord)(yc+radius)); } -void wxDC::DoDrawPoint(long x, long y) +void wxDC::DoDrawPoint(wxCoord x, wxCoord y) { COLORREF color = 0x00ffffff; if (m_pen.Ok()) @@ -394,7 +404,7 @@ void wxDC::DoDrawPoint(long x, long y) CalcBoundingBox(x, y); } -void wxDC::DoDrawPolygon(int n, wxPoint points[], long xoffset, long yoffset,int fillStyle) +void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) { // Do things less efficiently if we have offsets if (xoffset != 0 || yoffset != 0) @@ -425,7 +435,7 @@ void wxDC::DoDrawPolygon(int n, wxPoint points[], long xoffset, long yoffset,int } } -void wxDC::DoDrawLines(int n, wxPoint points[], long xoffset, long yoffset) +void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset) { // Do things less efficiently if we have offsets if (xoffset != 0 || yoffset != 0) @@ -452,10 +462,10 @@ void wxDC::DoDrawLines(int n, wxPoint points[], long xoffset, long yoffset) } } -void wxDC::DoDrawRectangle(long x, long y, long width, long height) +void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { - long x2 = x + width; - long y2 = y + height; + wxCoord x2 = x + width; + wxCoord y2 = y + height; /* MATTHEW: [6] new normalization */ #if WX_STANDARD_GRAPHICS @@ -496,7 +506,7 @@ void wxDC::DoDrawRectangle(long x, long y, long width, long height) CalcBoundingBox(x2, y2); } -void wxDC::DoDrawRoundedRectangle(long x, long y, long width, long height, double radius) +void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius) { // Now, a negative radius value is interpreted to mean // 'the proportion of the smallest X or Y dimension' @@ -511,8 +521,8 @@ void wxDC::DoDrawRoundedRectangle(long x, long y, long width, long height, doubl radius = (- radius * smallest); } - long x2 = (x+width); - long y2 = (y+height); + wxCoord x2 = (x+width); + wxCoord y2 = (y+height); (void)RoundRect(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2), (int) (2*XLOG2DEV(radius)), (int)( 2*YLOG2DEV(radius))); @@ -521,10 +531,10 @@ void wxDC::DoDrawRoundedRectangle(long x, long y, long width, long height, doubl CalcBoundingBox(x2, y2); } -void wxDC::DoDrawEllipse(long x, long y, long width, long height) +void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { - long x2 = (x+width); - long y2 = (y+height); + wxCoord x2 = (x+width); + wxCoord y2 = (y+height); (void)Ellipse(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); @@ -533,20 +543,23 @@ void wxDC::DoDrawEllipse(long x, long y, long width, long height) } // Chris Breeze 20/5/98: first implementation of DrawEllipticArc on Windows -void wxDC::DoDrawEllipticArc(long x,long y,long w,long h,double sa,double ea) +void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) { - long x2 = (x+w); - long y2 = (y+h); + wxCoord x2 = (x+w); + wxCoord 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)); + + sa = DegToRad(sa); + ea = DegToRad(ea); + + rx1 += (int)(100.0 * abs(w) * cos(sa)); + ry1 -= (int)(100.0 * abs(h) * m_signY * sin(sa)); + rx2 += (int)(100.0 * abs(w) * cos(ea)); + ry2 -= (int)(100.0 * abs(h) * m_signY * sin(ea)); // draw pie with NULL_PEN first and then outline otherwise a line is // drawn from the start and end points to the centre @@ -569,7 +582,7 @@ void wxDC::DoDrawEllipticArc(long x,long y,long w,long h,double sa,double ea) CalcBoundingBox(x2, y2); } -void wxDC::DoDrawIcon(const wxIcon& icon, long x, long y) +void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) { #if defined(__WIN32__) && !defined(__SC__) && !defined(__TWIN32__) ::DrawIconEx(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (HICON) icon.GetHICON(), @@ -582,24 +595,68 @@ void wxDC::DoDrawIcon(const wxIcon& icon, long x, long y) CalcBoundingBox(x+icon.GetWidth(), y+icon.GetHeight()); } -void wxDC::DoDrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask ) +void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask ) { if (!bmp.Ok()) return; + bool needsPixelCopy = false ; + bool isPrinter = false ; + if (IsKindOf(CLASSINFO(wxPrinterDC)) ) + { + isPrinter = true ; + if ( ::GetDeviceCaps((HDC) m_hDC, RASTERCAPS) & RC_STRETCHDIB ) + { + } + else + { + needsPixelCopy = true ; + } + } // If we're not drawing transparently, and not drawing to a printer, // optimize this function to use Windows functions. - if (!useMask && !IsKindOf(CLASSINFO(wxPrinterDC))) + if (!useMask && !needsPixelCopy) { - HDC cdc = GetHdc(); - HDC memdc = ::CreateCompatibleDC( cdc ); - HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( ); - - wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") ); - - ::SelectObject( memdc, hbitmap ); - ::BitBlt( cdc, x, y, bmp.GetWidth(), bmp.GetHeight(), memdc, 0, 0, SRCCOPY); - ::DeleteDC( memdc ); + if ( isPrinter ) + { + BITMAPINFO *info = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) ) ; + int iBitsSize = ((bmp.GetWidth() + 3 ) & ~3 ) * bmp.GetHeight() ; + + void* bits = malloc( iBitsSize ) ; + + memset( info , 0 , sizeof( BITMAPINFOHEADER ) ) ; + + info->bmiHeader.biSize = sizeof( BITMAPINFOHEADER ) ; + info->bmiHeader.biWidth = bmp.GetWidth() ; + info->bmiHeader.biHeight = bmp.GetHeight() ; + info->bmiHeader.biPlanes = 1 ; + info->bmiHeader.biBitCount = 8 ; + info->bmiHeader.biCompression = BI_RGB ; + + HDC display = GetDC( NULL ) ; + if ( GetDIBits( display , (HBITMAP) bmp.GetHBITMAP( ) , 0 , bmp.GetHeight() , bits , info , DIB_RGB_COLORS ) ) + { + StretchDIBits( (HDC) m_hDC, + x, y, bmp.GetWidth(), bmp.GetHeight() , + 0 , 0 ,bmp.GetWidth(), bmp.GetHeight() , + bits , info , DIB_RGB_COLORS , SRCCOPY ) ; + } + ReleaseDC( NULL , display ) ; + free ( bits ) ; + free( info ) ; + } + else + { + HDC cdc = GetHdc(); + HDC memdc = ::CreateCompatibleDC( cdc ); + HBITMAP hbitmap = (HBITMAP) bmp.GetHBITMAP( ); + + wxASSERT_MSG( hbitmap, wxT("bitmap is ok but HBITMAP is NULL?") ); + + ::SelectObject( memdc, hbitmap ); + ::BitBlt( cdc, x, y, bmp.GetWidth(), bmp.GetHeight(), memdc, 0, 0, SRCCOPY); + ::DeleteDC( memdc ); + } } else { @@ -623,36 +680,109 @@ void wxDC::DoDrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask ) } } -void wxDC::DoDrawText(const wxString& text, long x, long y) +void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y) { - if (m_textForegroundColour.Ok()) - SetTextColor(GetHdc(), m_textForegroundColour.GetPixel() ); + DrawAnyText(text, x, y); + + // update the bounding box + CalcBoundingBox(x, y); + + wxCoord w, h; + GetTextExtent(text, &w, &h); + CalcBoundingBox(x + w, y + h); +} + +void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y) +{ + // prepare for drawing the text + if ( m_textForegroundColour.Ok() ) + SetTextColor(GetHdc(), m_textForegroundColour.GetPixel()); DWORD old_background = 0; - if (m_textBackgroundColour.Ok()) + if ( m_textBackgroundColour.Ok() ) { old_background = SetBkColor(GetHdc(), m_textBackgroundColour.GetPixel() ); } - if (m_backgroundMode == wxTRANSPARENT) - SetBkMode(GetHdc(), TRANSPARENT); - else - SetBkMode(GetHdc(), OPAQUE); + SetBkMode(GetHdc(), m_backgroundMode == wxTRANSPARENT ? TRANSPARENT + : OPAQUE); - (void)TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), WXSTRINGCAST text, wxStrlen(WXSTRINGCAST text)); + if ( ::TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), + text.c_str(), text.length()) == 0 ) + { + wxLogLastError("TextOut"); + } - if (m_textBackgroundColour.Ok()) + // restore the old parameters (text foreground colour may be left because + // it never is set to anything else, but background should remain + // transparent even if we just drew an opaque string) + if ( m_textBackgroundColour.Ok() ) (void)SetBkColor(GetHdc(), old_background); - // background colour is used only for DrawText, otherwise - // always TRANSPARENT, RR SetBkMode(GetHdc(), TRANSPARENT); +} - CalcBoundingBox(x, y); +void wxDC::DoDrawRotatedText(const wxString& text, + wxCoord x, wxCoord y, + double angle) +{ + // we test that we have some font because otherwise we should still use the + // "else" part below to avoid that DrawRotatedText(angle = 180) and + // DrawRotatedText(angle = 0) use different fonts (we can't use the default + // font for drawing rotated fonts unfortunately) + if ( (angle == 0.0) && m_font.Ok() ) + { + DoDrawText(text, x, y); + } + else + { + // NB: don't take DEFAULT_GUI_FONT because it's not TrueType and so + // can't have non zero orientation/escapement + wxFont font = m_font.Ok() ? m_font : *wxNORMAL_FONT; + HFONT hfont = (HFONT)font.GetResourceHandle(); + LOGFONT lf; + if ( ::GetObject(hfont, sizeof(lf), &lf) == 0 ) + { + wxLogLastError("GetObject(hfont)"); + } - long w, h; - GetTextExtent(text, &w, &h); - CalcBoundingBox((x + w), (y + h)); + // GDI wants the angle in tenth of degree + long angle10 = (long)(angle * 10); + lf.lfEscapement = angle10; + lf. lfOrientation = angle10; + + hfont = ::CreateFontIndirect(&lf); + if ( !hfont ) + { + wxLogLastError("CreateFont"); + } + else + { + HFONT hfontOld = (HFONT)::SelectObject(GetHdc(), hfont); + + DrawAnyText(text, x, y); + + (void)::SelectObject(GetHdc(), hfontOld); + } + + // call the bounding box by adding all four vertices of the rectangle + // containing the text to it (simpler and probably not slower than + // determining which of them is really topmost/leftmost/...) + wxCoord w, h; + GetTextExtent(text, &w, &h); + + double rad = DegToRad(angle); + + // "upper left" and "upper right" + CalcBoundingBox(x, y); + CalcBoundingBox(x + w*cos(rad), y - h*sin(rad)); + + // "bottom left" and "bottom right" + x += (wxCoord)(h*sin(rad)); + y += (wxCoord)(h*cos(rad)); + CalcBoundingBox(x, y); + CalcBoundingBox(x + h*sin(rad), y + h*cos(rad)); + } } // --------------------------------------------------------------------------- @@ -901,7 +1031,7 @@ void wxDC::EndPage() // text metrics // --------------------------------------------------------------------------- -long wxDC::GetCharHeight() const +wxCoord wxDC::GetCharHeight() const { TEXTMETRIC lpTextMetric; @@ -910,7 +1040,7 @@ long wxDC::GetCharHeight() const return YDEV2LOGREL(lpTextMetric.tmHeight); } -long wxDC::GetCharWidth() const +wxCoord wxDC::GetCharWidth() const { TEXTMETRIC lpTextMetric; @@ -919,9 +1049,9 @@ long wxDC::GetCharWidth() const return XDEV2LOGREL(lpTextMetric.tmAveCharWidth); } -void wxDC::GetTextExtent(const wxString& string, long *x, long *y, - long *descent, long *externalLeading, - wxFont *theFont) const +void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y, + wxCoord *descent, wxCoord *externalLeading, + wxFont *theFont) const { wxFont *fontToUse = (wxFont*) theFont; if (!fontToUse) @@ -1031,7 +1161,7 @@ void wxDC::SetSystemScale(double x, double y) SetMapMode(m_mappingMode); } -void wxDC::SetLogicalOrigin(long x, long y) +void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y) { m_logicalOriginX = x; m_logicalOriginY = y; @@ -1039,7 +1169,7 @@ void wxDC::SetLogicalOrigin(long x, long y) ::SetWindowOrgEx(GetHdc(), (int)m_logicalOriginX, (int)m_logicalOriginY, NULL); } -void wxDC::SetDeviceOrigin(long x, long y) +void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y) { m_deviceOriginX = x; m_deviceOriginY = y; @@ -1051,56 +1181,56 @@ void wxDC::SetDeviceOrigin(long x, long y) // coordinates transformations // --------------------------------------------------------------------------- -long wxDCBase::DeviceToLogicalX(long x) const +wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const { - return (long) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX); + return (wxCoord) (((x) - m_deviceOriginX)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX) - m_logicalOriginX); } -long wxDCBase::DeviceToLogicalXRel(long x) const +wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const { - return (long) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX)); + return (wxCoord) ((x)/(m_logicalScaleX*m_userScaleX*m_signX*m_scaleX)); } -long wxDCBase::DeviceToLogicalY(long y) const +wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const { - return (long) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY); + return (wxCoord) (((y) - m_deviceOriginY)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY) - m_logicalOriginY); } -long wxDCBase::DeviceToLogicalYRel(long y) const +wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const { - return (long) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY)); + return (wxCoord) ((y)/(m_logicalScaleY*m_userScaleY*m_signY*m_scaleY)); } -long wxDCBase::LogicalToDeviceX(long x) const +wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const { - return (long) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX); + return (wxCoord) ((x - m_logicalOriginX)*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX + m_deviceOriginX); } -long wxDCBase::LogicalToDeviceXRel(long x) const +wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const { - return (long) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX); + return (wxCoord) (x*m_logicalScaleX*m_userScaleX*m_signX*m_scaleX); } -long wxDCBase::LogicalToDeviceY(long y) const +wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const { - return (long) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY); + return (wxCoord) ((y - m_logicalOriginY)*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY + m_deviceOriginY); } -long wxDCBase::LogicalToDeviceYRel(long y) const +wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const { - return (long) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY); + return (wxCoord) (y*m_logicalScaleY*m_userScaleY*m_signY*m_scaleY); } // --------------------------------------------------------------------------- // bit blit // --------------------------------------------------------------------------- -bool wxDC::DoBlit(long xdest, long ydest, long width, long height, - wxDC *source, long xsrc, long ysrc, int rop, bool useMask) +bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height, + wxDC *source, wxCoord xsrc, wxCoord ysrc, int rop, bool useMask) { - long xdest1 = xdest; - long ydest1 = ydest; - long xsrc1 = xsrc; - long ysrc1 = ysrc; + wxCoord xdest1 = xdest; + wxCoord ydest1 = ydest; + wxCoord xsrc1 = xsrc; + wxCoord ysrc1 = ysrc; // Chris Breeze 18/5/98: use text foreground/background colours // when blitting from 1-bit bitmaps @@ -1144,17 +1274,6 @@ bool wxDC::DoBlit(long xdest, long ydest, long width, long height, else #endif { - // Old code -#if 0 - HDC dc_mask = CreateCompatibleDC((HDC) source->m_hDC); - ::SelectObject(dc_mask, (HBITMAP) source->m_selectedBitmap.GetMask()->GetMaskBitmap()); - success = (BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, - dc_mask, xsrc1, ysrc1, 0x00220326 /* NOTSRCAND */) != 0); - success = (BitBlt(GetHdc(), 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 @@ -1232,11 +1351,37 @@ bool wxDC::DoBlit(long xdest, long ydest, long width, long height, } else { + // If we are printing, source colours are screen colours + // not printer colours and so we need copy the bitmap + // pixel by pixel. if (IsKindOf(CLASSINFO(wxPrinterDC))) { - // 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 y = 0; y < height; y++) + { + // This is Stefan Csomor's optimisation, where + // identical adjacent pixels are drawn together. + // We still need a faster way of drawing bitmaps, + // perhaps converting to a DIB first and using SetDIBitsToDevice. + for (int x = 0; x < width; x++) + { + COLORREF col = ::GetPixel(dc_src, x, y) ; + HBRUSH brush = ::CreateSolidBrush( col ); + + rect.left = xdest1 + x; + rect.top = ydest1 + y; + while( (x + 1 < width) && (::GetPixel(dc_src, x + 1, y) == col ) ) + { + ++x ; + } + rect.right = xdest1 + x + 1; + rect.bottom = rect.top + 1; + ::FillRect((HDC) m_hDC, &rect, brush); + ::DeleteObject(brush); + } + } +/* HDC dc_src = (HDC) source->m_hDC; RECT rect; for (int x = 0; x < width; x++) @@ -1250,7 +1395,8 @@ bool wxDC::DoBlit(long xdest, long ydest, long width, long height, ::DeleteObject(brush); } } - } +*/ + } else { success = (BitBlt(GetHdc(), xdest1, ydest1, (int)width, (int)height, (HDC) source->m_hDC, @@ -1295,7 +1441,7 @@ void wxDC::DoGetTextExtent(const wxString& string, float *x, float *y, float *descent, float *externalLeading, wxFont *theFont, bool use16bit) const { - long x1, y1, descent1, externalLeading1; + wxCoord x1, y1, descent1, externalLeading1; GetTextExtent(string, & x1, & y1, & descent1, & externalLeading1, theFont, use16bit); *x = x1; *y = y1; if (descent)