X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c9a828e77fec39b9a2a9e2d26d20c75057fef9b1..d485bda109d5ef0fef36a3f737549e9b9f54baab:/src/msw/graphics.cpp diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp index e5161c5d5b..8f1844b093 100644 --- a/src/msw/graphics.cpp +++ b/src/msw/graphics.cpp @@ -78,6 +78,31 @@ inline Color wxColourToColor(const wxColour& col) return Color(col.Alpha(), col.Red(), col.Green(), col.Blue()); } +// Do not use this pointer directly, it's only used by +// GetDrawTextStringFormat() and the cleanup code in wxGDIPlusRendererModule. +StringFormat* gs_drawTextStringFormat = NULL; + +// Get the string format used for the text drawing and measuring functions: +// notice that it must be the same one for all of them, otherwise the drawn +// text might be of different size than what measuring it returned. +inline StringFormat* GetDrawTextStringFormat() +{ + if ( !gs_drawTextStringFormat ) + { + gs_drawTextStringFormat = new StringFormat(StringFormat::GenericTypographic()); + + // This doesn't make any difference for DrawText() actually but we want + // this behaviour when measuring text. + gs_drawTextStringFormat->SetFormatFlags + ( + gs_drawTextStringFormat->GetFormatFlags() + | StringFormatFlagsMeasureTrailingSpaces + ); + } + + return gs_drawTextStringFormat; +} + } // anonymous namespace //----------------------------------------------------------------------------- @@ -272,7 +297,7 @@ private: GraphicsPath* m_brushPath; }; -class WXDLLIMPEXP_CORE wxGDIPlusBitmapData : public wxGraphicsObjectRefData +class WXDLLIMPEXP_CORE wxGDIPlusBitmapData : public wxGraphicsBitmapData { public: wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, Bitmap* bitmap ); @@ -280,6 +305,7 @@ public: ~wxGDIPlusBitmapData (); virtual Bitmap* GetGDIPlusBitmap() { return m_bitmap; } + virtual void* GetNativeBitmap() const { return m_bitmap; } #if wxUSE_IMAGE wxImage ConvertToImage() const; @@ -347,6 +373,13 @@ public: // stroke lines connecting each of the points virtual void StrokeLines( size_t n, const wxPoint2DDouble *points); + // We don't have any specific implementation for this one in wxMSW but + // override it just to avoid warnings about hiding the base class virtual. + virtual void StrokeLines( size_t n, const wxPoint2DDouble *beginPoints, const wxPoint2DDouble *endPoints) + { + wxGraphicsContext::StrokeLines(n, beginPoints, endPoints); + } + // draws a polygon virtual void DrawLines( size_t n, const wxPoint2DDouble *points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE ); @@ -396,10 +429,7 @@ protected: void Init(Graphics* graphics, int width, int height); private: - virtual void DoDrawText(const wxString& str, wxDouble x, wxDouble y) - { DoDrawFilledText(str, x, y, wxNullGraphicsBrush); } - virtual void DoDrawFilledText(const wxString& str, wxDouble x, wxDouble y, - const wxGraphicsBrush& backgroundBrush); + virtual void DoDrawText(const wxString& str, wxDouble x, wxDouble y); Graphics* m_context; wxStack m_stateStack; @@ -946,13 +976,13 @@ wxGDIPlusFontData::~wxGDIPlusFontData() //----------------------------------------------------------------------------- wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, Bitmap* bitmap ) : - wxGraphicsObjectRefData( renderer ), m_bitmap( bitmap ) + wxGraphicsBitmapData( renderer ), m_bitmap( bitmap ) { m_helper = NULL; } wxGDIPlusBitmapData::wxGDIPlusBitmapData( wxGraphicsRenderer* renderer, - const wxBitmap &bmp) : wxGraphicsObjectRefData( renderer ) + const wxBitmap &bmp) : wxGraphicsBitmapData( renderer ) { m_bitmap = NULL; m_helper = NULL; @@ -1390,6 +1420,7 @@ void wxGDIPlusContext::Init(Graphics* graphics, int width, int height) m_context->SetTextRenderingHint(TextRenderingHintSystemDefault); m_context->SetPixelOffsetMode(PixelOffsetModeHalf); m_context->SetSmoothingMode(SmoothingModeHighQuality); + m_context->SetInterpolationMode(InterpolationModeHighQuality); m_state1 = m_context->Save(); m_state2 = m_context->Save(); } @@ -1535,10 +1566,44 @@ bool wxGDIPlusContext::SetAntialiasMode(wxAntialiasMode antialias) return true; } -bool wxGDIPlusContext::SetInterpolationQuality(wxInterpolationQuality WXUNUSED(interpolation)) +bool wxGDIPlusContext::SetInterpolationQuality(wxInterpolationQuality interpolation) { - // placeholder - return false; + if (m_interpolation == interpolation) + return true; + + InterpolationMode interpolationMode = InterpolationModeDefault; + switch (interpolation) + { + case wxINTERPOLATION_DEFAULT: + interpolationMode = InterpolationModeDefault; + break; + + case wxINTERPOLATION_NONE: + interpolationMode = InterpolationModeNearestNeighbor; + break; + + case wxINTERPOLATION_FAST: + interpolationMode = InterpolationModeLowQuality; + break; + + case wxINTERPOLATION_GOOD: + interpolationMode = InterpolationModeHighQuality; + break; + + case wxINTERPOLATION_BEST: + interpolationMode = InterpolationModeHighQualityBicubic; + break; + + default: + return false; + } + + if ( m_context->SetInterpolationMode(interpolationMode) != Gdiplus::Ok ) + return false; + + m_interpolation = interpolation; + + return true; } bool wxGDIPlusContext::SetCompositionMode(wxCompositionMode op) @@ -1698,9 +1763,8 @@ void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxD DeleteObject(iconInfo.hbmMask); } -void wxGDIPlusContext::DoDrawFilledText(const wxString& str, - wxDouble x, wxDouble y, - const wxGraphicsBrush& brush) +void wxGDIPlusContext::DoDrawText(const wxString& str, + wxDouble x, wxDouble y ) { if (m_composition == wxCOMPOSITION_DEST) return; @@ -1713,18 +1777,15 @@ void wxGDIPlusContext::DoDrawFilledText(const wxString& str, wxGDIPlusFontData * const fontData = (wxGDIPlusFontData *)m_font.GetRefData(); - wxGDIPlusBrushData * const - brushData = (wxGDIPlusBrushData *)brush.GetRefData(); - + m_context->DrawString ( str.wc_str(*wxConvUI), // string to draw, always Unicode -1, // length: string is NUL-terminated fontData->GetGDIPlusFont(), PointF(x, y), - StringFormat::GenericTypographic(), - brushData ? brushData->GetGDIPlusBrush() - : fontData->GetGDIPlusBrush() + GetDrawTextStringFormat(), + fontData->GetGDIPlusBrush() ); } @@ -1741,12 +1802,14 @@ void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDo REAL factorY = m_fontScaleRatio; - REAL rDescent = ffamily.GetCellDescent(FontStyleRegular) * - f->GetSize() / ffamily.GetEmHeight(FontStyleRegular); - REAL rAscent = ffamily.GetCellAscent(FontStyleRegular) * - f->GetSize() / ffamily.GetEmHeight(FontStyleRegular); - REAL rHeight = ffamily.GetLineSpacing(FontStyleRegular) * - f->GetSize() / ffamily.GetEmHeight(FontStyleRegular); + // Notice that we must use the real font style or the results would be + // incorrect for italic/bold fonts. + const INT style = f->GetStyle(); + const REAL size = f->GetSize(); + const REAL emHeight = ffamily.GetEmHeight(style); + REAL rDescent = ffamily.GetCellDescent(style) * size / emHeight; + REAL rAscent = ffamily.GetCellAscent(style) * size / emHeight; + REAL rHeight = ffamily.GetLineSpacing(style) * size / emHeight; if ( height ) *height = rHeight * factorY; @@ -1763,11 +1826,9 @@ void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDo else { RectF layoutRect(0,0, 100000.0f, 100000.0f); - StringFormat strFormat( StringFormat::GenericTypographic() ); - strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() ); RectF bounds ; - m_context->MeasureString((const wchar_t *) s , wcslen(s) , f, layoutRect, &strFormat, &bounds ) ; + m_context->MeasureString((const wchar_t *) s , wcslen(s) , f, layoutRect, GetDrawTextStringFormat(), &bounds ) ; if ( width ) *width = bounds.Width; if ( height ) @@ -1791,7 +1852,7 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble wxASSERT_MSG(text.length() == len , wxT("GetPartialTextExtents not yet implemented for multichar situations")); RectF layoutRect(0,0, 100000.0f, 100000.0f); - StringFormat strFormat( StringFormat::GenericTypographic() ); + StringFormat strFormat( GetDrawTextStringFormat() ); size_t startPosition = 0; size_t remainder = len; @@ -1809,7 +1870,6 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble ranges[i].Length = startPosition+i+1 ; } strFormat.SetMeasurableCharacterRanges(span,ranges); - strFormat.SetFormatFlags( StringFormatFlagsMeasureTrailingSpaces | strFormat.GetFormatFlags() ); m_context->MeasureCharacterRanges(ws, -1 , f,layoutRect, &strFormat,span,regions) ; RectF bbox ; @@ -2223,8 +2283,19 @@ wxGraphicsBitmap wxGDIPlusRenderer::CreateSubBitmap( const wxGraphicsBitmap &bit class wxGDIPlusRendererModule : public wxModule { public: + wxGDIPlusRendererModule() + { + // We must be uninitialized before GDI+ DLL itself is unloaded. + AddDependency("wxGdiPlusModule"); + } + virtual bool OnInit() { return true; } - virtual void OnExit() { gs_GDIPlusRenderer.Unload(); } + virtual void OnExit() + { + wxDELETE(gs_drawTextStringFormat); + + gs_GDIPlusRenderer.Unload(); + } private: DECLARE_DYNAMIC_CLASS(wxGDIPlusRendererModule)