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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <vcl/outdev.hxx>
+
+#include "impfontmetricdata.hxx"
+#include "salgdiimpl.hxx"
+#include "sallayout.hxx"
+#include "SalGradient.hxx"
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include "WidgetDrawInterface.hxx"
+
+#include <config_cairo_canvas.h>
+
+#include <map>
+#include <vector>
+
+class SalBitmap;
+class FontAttributes;
+namespace vcl::font {
+ class FontSelectPattern;
+ class PhysicalFontFace;
+ class PhysicalFontCollection;
+}
+class SalLayout;
+namespace tools { class Rectangle; }
+class FontSubsetInfo;
+class OutputDevice;
+class FreetypeFont;
+struct SystemGraphicsData;
+
+namespace basegfx {
+ class B2DVector;
+ class B2DPolygon;
+ class B2DPolyPolygon;
+}
+
+namespace vcl
+{
+class AbstractTrueTypeFont;
+class FileDefinitionWidgetDraw;
+typedef struct TTGlobalFontInfo_ TTGlobalFontInfo;
+}
+
+typedef sal_Unicode sal_Ucs; // TODO: use sal_UCS4 instead of sal_Unicode
+typedef std::map< sal_Ucs, sal_uInt32 > Ucs2UIntMap;
+
+// note: if you add any new methods to class SalGraphics using coordinates
+// make sure they have a corresponding protected pure virtual method
+// which has to be implemented by the platform dependent part.
+// Add a method that performs coordinate mirroring if required, (see
+// existing methods as sample) and then calls the equivalent pure method.
+
+// note: all positions are in pixel and relative to
+// the top/left-position of the virtual output area
+
+class VCL_PLUGIN_PUBLIC SalGraphics : protected vcl::WidgetDrawInterface
+{
+public:
+ SalGraphics();
+ ~SalGraphics() COVERITY_NOEXCEPT_FALSE override;
+
+ virtual SalGraphicsImpl* GetImpl() const = 0;
+
+ void setAntiAlias(bool bNew)
+ {
+ m_bAntiAlias = bNew;
+
+ // Temporary store in both
+ if (GetImpl())
+ GetImpl()->setAntiAlias(bNew);
+ }
+
+ bool getAntiAlias() const
+ {
+ return m_bAntiAlias;
+ }
+
+ void setTextRenderModeForResolutionIndependentLayout(bool bNew)
+ {
+ m_bTextRenderModeForResolutionIndependentLayout = bNew;
+ }
+
+ bool getTextRenderModeForResolutionIndependentLayoutEnabled() const
+ {
+ return m_bTextRenderModeForResolutionIndependentLayout;
+ }
+
+ // public SalGraphics methods, the interface to the independent vcl part
+
+ // get device resolution
+ virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) = 0;
+
+ // get the depth of the device
+ virtual sal_uInt16 GetBitCount() const = 0;
+
+ // get the width of the device
+ virtual tools::Long GetGraphicsWidth() const = 0;
+
+ // set the clip region to empty
+ virtual void ResetClipRegion() = 0;
+
+ // set the line color to transparent (= don't draw lines)
+
+ virtual void SetLineColor() = 0;
+
+ // set the line color to a specific color
+ virtual void SetLineColor( Color nColor ) = 0;
+
+ // set the fill color to transparent (= don't fill)
+ virtual void SetFillColor() = 0;
+
+ // set the fill color to a specific color, shapes will be
+ // filled accordingly
+ virtual void SetFillColor( Color nColor ) = 0;
+
+ // enable/disable XOR drawing
+ virtual void SetXORMode( bool bSet, bool bInvertOnly ) = 0;
+
+ // set line color for raster operations
+ virtual void SetROPLineColor( SalROPColor nROPColor ) = 0;
+
+ // set fill color for raster operations
+ virtual void SetROPFillColor( SalROPColor nROPColor ) = 0;
+
+ // set the text color to a specific color
+ virtual void SetTextColor( Color nColor ) = 0;
+
+ // set the font
+ virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) = 0;
+
+ // release the fonts
+ void ReleaseFonts() { SetFont( nullptr, 0 ); }
+
+ // get the current font's metrics
+ virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) = 0;
+
+ // get the repertoire of the current font
+ virtual FontCharMapRef GetFontCharMap() const = 0;
+
+ // get the layout capabilities of the current font
+ virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const = 0;
+
+ // graphics must fill supplied font list
+ virtual void GetDevFontList( vcl::font::PhysicalFontCollection* ) = 0;
+
+ // graphics must drop any cached font info
+ virtual void ClearDevFontCache() = 0;
+
+ virtual bool AddTempDevFont(
+ vcl::font::PhysicalFontCollection*,
+ const OUString& rFileURL,
+ const OUString& rFontName ) = 0;
+
+ // CreateFontSubset: a method to get a subset of glyhps of a font
+ // inside a new valid font file
+ // returns true if creation of subset was successful
+ // parameters: rToFile: contains an osl file URL to write the subset to
+ // pFont: describes from which font to create a subset
+ // pGlyphIDs: the glyph ids to be extracted
+ // pEncoding: the character code corresponding to each glyph
+ // pWidths: the advance widths of the corresponding glyphs (in PS font units)
+ // nGlyphs: the number of glyphs
+ // rInfo: additional outgoing information
+ // implementation note: encoding 0 with glyph id 0 should be added implicitly
+ // as "undefined character"
+ virtual bool CreateFontSubset(
+ const OUString& rToFile,
+ const vcl::font::PhysicalFontFace* pFont,
+ const sal_GlyphId* pGlyphIDs,
+ const sal_uInt8* pEncoding,
+ sal_Int32* pWidths,
+ int nGlyphs,
+ FontSubsetInfo& rInfo ) = 0;
+
+ // GetEmbedFontData: gets the font data for a font marked
+ // embeddable by GetDevFontList or NULL in case of error
+ // parameters: pFont: describes the font in question
+ // pDataLen: out parameter, contains the byte length of the returned buffer
+ virtual const void* GetEmbedFontData(const vcl::font::PhysicalFontFace* pFont, tools::Long* pDataLen) = 0;
+
+ // free the font data again
+ virtual void FreeEmbedFontData( const void* pData, tools::Long nDataLen ) = 0;
+
+ // get the same widths as in CreateFontSubset
+ // in case of an embeddable font also fill the mapping
+ // between unicode and glyph id
+ // leave widths vector and mapping untouched in case of failure
+ virtual void GetGlyphWidths(
+ const vcl::font::PhysicalFontFace* pFont,
+ bool bVertical,
+ std::vector< sal_Int32 >& rWidths,
+ Ucs2UIntMap& rUnicodeEnc ) = 0;
+
+ virtual std::unique_ptr<GenericSalLayout>
+ GetTextLayout(int nFallbackLevel) = 0;
+ virtual void DrawTextLayout( const GenericSalLayout& ) = 0;
+
+ virtual bool supportsOperation( OutDevSupportType ) const = 0;
+
+ // mirroring specifics
+ SalLayoutFlags GetLayout() const { return m_nLayout; }
+ void SetLayout( SalLayoutFlags aLayout ) { m_nLayout = aLayout;}
+
+ void mirror( tools::Long& nX, const OutputDevice& rOutDev ) const;
+ // only called mirror2 to avoid ambiguity
+ [[nodiscard]] tools::Long mirror2( tools::Long nX, const OutputDevice& rOutDev ) const;
+ void mirror( tools::Long& nX, tools::Long nWidth, const OutputDevice& rOutDev, bool bBack = false ) const;
+ bool mirror( sal_uInt32 nPoints, const Point *pPtAry, Point *pPtAry2, const OutputDevice& rOutDev ) const;
+ void mirror( tools::Rectangle& rRect, const OutputDevice&, bool bBack = false ) const;
+ void mirror( vcl::Region& rRgn, const OutputDevice& rOutDev ) const;
+ void mirror( ImplControlValue&, const OutputDevice& ) const;
+ basegfx::B2DPolyPolygon mirror( const basegfx::B2DPolyPolygon& i_rPoly, const OutputDevice& rOutDev ) const;
+ const basegfx::B2DHomMatrix& getMirror( const OutputDevice& rOutDev ) const;
+
+ // non virtual methods; these do possible coordinate mirroring and
+ // then delegate to protected virtual methods
+ bool SetClipRegion( const vcl::Region&, const OutputDevice& rOutDev );
+
+ // draw --> LineColor and FillColor and RasterOp and ClipRegion
+ void DrawPixel( tools::Long nX, tools::Long nY, const OutputDevice& rOutDev );
+ void DrawPixel( tools::Long nX, tools::Long nY, Color nColor, const OutputDevice& rOutDev );
+
+ void DrawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2, const OutputDevice& rOutDev );
+
+ void DrawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, const OutputDevice& rOutDev );
+
+ void DrawPolyLine( sal_uInt32 nPoints, Point const * pPtAry, const OutputDevice& rOutDev );
+
+ void DrawPolygon( sal_uInt32 nPoints, const Point* pPtAry, const OutputDevice& rOutDev );
+
+ void DrawPolyPolygon(
+ sal_uInt32 nPoly,
+ const sal_uInt32* pPoints,
+ const Point** pPtAry,
+ const OutputDevice& rOutDev );
+
+ bool DrawPolyPolygon(
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ const basegfx::B2DPolyPolygon &i_rPolyPolygon,
+ double i_fTransparency,
+ const OutputDevice& i_rOutDev);
+
+ bool DrawPolyLine(
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ const basegfx::B2DPolygon& i_rPolygon,
+ double i_fTransparency,
+ double i_fLineWidth,
+ const std::vector< double >* i_pStroke, // MM01
+ basegfx::B2DLineJoin i_eLineJoin,
+ css::drawing::LineCap i_eLineCap,
+ double i_fMiterMinimumAngle,
+ bool bPixelSnapHairline,
+ const OutputDevice& i_rOutDev);
+
+ bool DrawPolyLineBezier(
+ sal_uInt32 nPoints,
+ const Point* pPtAry,
+ const PolyFlags* pFlgAry,
+ const OutputDevice& rOutDev );
+
+ bool DrawPolygonBezier(
+ sal_uInt32 nPoints,
+ const Point* pPtAry,
+ const PolyFlags* pFlgAry,
+ const OutputDevice& rOutDev );
+
+ bool DrawPolyPolygonBezier(
+ sal_uInt32 nPoly,
+ const sal_uInt32* pPoints,
+ const Point* const* pPtAry,
+ const PolyFlags* const* pFlgAry,
+ const OutputDevice& rOutDev );
+
+ bool DrawGradient(
+ const tools::PolyPolygon& rPolyPoly,
+ const Gradient& rGradient,
+ const OutputDevice& rOutDev);
+
+ // CopyArea --> No RasterOp, but ClipRegion
+ void CopyArea(
+ tools::Long nDestX, tools::Long nDestY,
+ tools::Long nSrcX, tools::Long nSrcY,
+ tools::Long nSrcWidth, tools::Long nSrcHeight,
+ const OutputDevice& rOutDev );
+
+ // CopyBits --> RasterOp and ClipRegion
+ // CopyBits() CopyBits on same Graphics
+ void CopyBits(
+ const SalTwoRect& rPosAry,
+ const OutputDevice& rOutDev);
+
+ // CopyBits --> RasterOp and ClipRegion
+ // CopyBits() CopyBits on different Graphics
+ void CopyBits(
+ const SalTwoRect& rPosAry,
+ SalGraphics& rSrcGraphics,
+ const OutputDevice& rOutDev,
+ const OutputDevice& rSrcOutDev );
+
+
+ void DrawBitmap(
+ const SalTwoRect& rPosAry,
+ const SalBitmap& rSalBitmap,
+ const OutputDevice& rOutDev );
+
+ void DrawBitmap(
+ const SalTwoRect& rPosAry,
+ const SalBitmap& rSalBitmap,
+ const SalBitmap& rTransparentBitmap,
+ const OutputDevice& rOutDev );
+
+ void DrawMask(
+ const SalTwoRect& rPosAry,
+ const SalBitmap& rSalBitmap,
+ Color nMaskColor,
+ const OutputDevice& rOutDev );
+
+ std::shared_ptr<SalBitmap> GetBitmap(
+ tools::Long nX, tools::Long nY,
+ tools::Long nWidth, tools::Long nHeight,
+ const OutputDevice& rOutDev );
+
+ Color GetPixel(
+ tools::Long nX, tools::Long nY,
+ const OutputDevice& rOutDev );
+
+ // invert --> ClipRegion (only Windows)
+ void Invert(
+ tools::Long nX, tools::Long nY,
+ tools::Long nWidth, tools::Long nHeight,
+ SalInvert nFlags,
+ const OutputDevice& rOutDev );
+
+ void Invert(
+ sal_uInt32 nPoints,
+ const Point* pPtAry,
+ SalInvert nFlags,
+ const OutputDevice& rOutDev );
+
+ bool DrawEPS(
+ tools::Long nX, tools::Long nY,
+ tools::Long nWidth, tools::Long nHeight,
+ void* pPtr,
+ sal_uInt32 nSize,
+ const OutputDevice& rOutDev );
+
+ // native widget rendering functions
+
+ /**
+ * @see WidgetDrawInterface::isNativeControlSupported
+ */
+ inline bool IsNativeControlSupported(ControlType, ControlPart);
+
+ /**
+ * @see WidgetDrawInterface::hitTestNativeControl
+ */
+ bool HitTestNativeScrollbar(
+ ControlPart nPart,
+ const tools::Rectangle& rControlRegion,
+ const Point& aPos,
+ bool& rIsInside,
+ const OutputDevice& rOutDev);
+
+ /**
+ * @see WidgetDrawInterface::drawNativeControl
+ */
+ bool DrawNativeControl(
+ ControlType nType,
+ ControlPart nPart,
+ const tools::Rectangle& rControlRegion,
+ ControlState nState,
+ const ImplControlValue& aValue,
+ const OUString& aCaption,
+ const OutputDevice& rOutDev,
+ const Color& rBackgroundColor = COL_AUTO );
+
+ /**
+ * @see WidgetDrawInterface::getNativeControlRegion
+ */
+ bool GetNativeControlRegion(
+ ControlType nType,
+ ControlPart nPart,
+ const tools::Rectangle& rControlRegion,
+ ControlState nState,
+ const ImplControlValue& aValue,
+ tools::Rectangle &rNativeBoundingRegion,
+ tools::Rectangle &rNativeContentRegion,
+ const OutputDevice& rOutDev );
+
+ /**
+ * @see WidgetDrawInterface::updateSettings
+ */
+ inline bool UpdateSettings(AllSettings&);
+
+ bool BlendBitmap(
+ const SalTwoRect& rPosAry,
+ const SalBitmap& rSalBitmap,
+ const OutputDevice& rOutDev );
+
+ bool BlendAlphaBitmap(
+ const SalTwoRect& rPosAry,
+ const SalBitmap& rSalSrcBitmap,
+ const SalBitmap& rSalMaskBitmap,
+ const SalBitmap& rSalAlphaBitmap,
+ const OutputDevice& rOutDev );
+
+ bool DrawAlphaBitmap(
+ const SalTwoRect&,
+ const SalBitmap& rSourceBitmap,
+ const SalBitmap& rAlphaBitmap,
+ const OutputDevice& rOutDev );
+
+ bool DrawTransformedBitmap(
+ const basegfx::B2DPoint& rNull,
+ const basegfx::B2DPoint& rX,
+ const basegfx::B2DPoint& rY,
+ const SalBitmap& rSourceBitmap,
+ const SalBitmap* pAlphaBitmap,
+ double fAlpha,
+ const OutputDevice& rOutDev );
+
+ bool HasFastDrawTransformedBitmap() const;
+
+ bool DrawAlphaRect(
+ tools::Long nX, tools::Long nY,
+ tools::Long nWidth, tools::Long nHeight,
+ sal_uInt8 nTransparency,
+ const OutputDevice& rOutDev );
+
+ virtual OUString getRenderBackendName() const;
+
+ virtual SystemGraphicsData GetGraphicsData() const = 0;
+
+ // Backends like the svp/gtk ones use cairo and hidpi scale at the surface
+ // but bitmaps aren't hidpi, so if this returns true for the case that the
+ // surface is hidpi then pScaleOut contains the scaling factor. So we can
+ // create larger hires bitmaps which we know will be logically scaled down
+ // by this factor but physically just copied
+ virtual bool ShouldDownscaleIconsAtSurface(double* pScaleOut) const;
+
+
+#if ENABLE_CAIRO_CANVAS
+
+ /// Check whether cairo will work
+ virtual bool SupportsCairo() const = 0;
+ /// Create Surface from given cairo surface
+ virtual cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const = 0;
+ /// Create surface with given dimensions
+ virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width, int height) const = 0;
+ /// Create Surface for given bitmap data
+ virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice, const BitmapSystemData& rData, const Size& rSize) const = 0;
+ virtual css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const = 0;
+
+#endif // ENABLE_CAIRO_CANVAS
+
+protected:
+
+ friend class vcl::FileDefinitionWidgetDraw;
+
+ virtual bool setClipRegion( const vcl::Region& ) = 0;
+
+ // draw --> LineColor and FillColor and RasterOp and ClipRegion
+ virtual void drawPixel( tools::Long nX, tools::Long nY ) = 0;
+ virtual void drawPixel( tools::Long nX, tools::Long nY, Color nColor ) = 0;
+
+ virtual void drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) = 0;
+
+ virtual void drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0;
+
+ virtual void drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) = 0;
+
+ virtual void drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) = 0;
+
+ virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry ) = 0;
+
+ virtual bool drawPolyPolygon(
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ const basegfx::B2DPolyPolygon&,
+ double fTransparency) = 0;
+
+ virtual bool drawPolyLine(
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ const basegfx::B2DPolygon&,
+ double fTransparency,
+ double fLineWidth,
+ const std::vector< double >* pStroke, // MM01
+ basegfx::B2DLineJoin,
+ css::drawing::LineCap,
+ double fMiterMinimumAngle,
+ bool bPixelSnapHairline) = 0;
+
+ virtual bool drawPolyLineBezier(
+ sal_uInt32 nPoints,
+ const Point* pPtAry,
+ const PolyFlags* pFlgAry ) = 0;
+
+ virtual bool drawPolygonBezier(
+ sal_uInt32 nPoints,
+ const Point* pPtAry,
+ const PolyFlags* pFlgAry ) = 0;
+
+ virtual bool drawPolyPolygonBezier(
+ sal_uInt32 nPoly,
+ const sal_uInt32* pPoints,
+ const Point* const* pPtAry,
+ const PolyFlags* const* pFlgAry ) = 0;
+
+ virtual bool drawGradient(
+ const tools::PolyPolygon& rPolyPoly,
+ const Gradient& rGradient ) = 0;
+
+ virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & /*rPolyPolygon*/,
+ SalGradient const & /*rGradient*/)
+ {
+ return false;
+ }
+
+ // CopyArea --> No RasterOp, but ClipRegion
+ virtual void copyArea(
+ tools::Long nDestX, tools::Long nDestY,
+ tools::Long nSrcX, tools::Long nSrcY,
+ tools::Long nSrcWidth, tools::Long nSrcHeight,
+ bool bWindowInvalidate ) = 0;
+
+ // CopyBits and DrawBitmap --> RasterOp and ClipRegion
+ // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
+ virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) = 0;
+
+ virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) = 0;
+
+ virtual void drawBitmap(
+ const SalTwoRect& rPosAry,
+ const SalBitmap& rSalBitmap,
+ const SalBitmap& rMaskBitmap ) = 0;
+
+ virtual void drawMask(
+ const SalTwoRect& rPosAry,
+ const SalBitmap& rSalBitmap,
+ Color nMaskColor ) = 0;
+
+ virtual std::shared_ptr<SalBitmap> getBitmap( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0;
+
+ virtual Color getPixel( tools::Long nX, tools::Long nY ) = 0;
+
+ // invert --> ClipRegion (only Windows or VirDevs)
+ virtual void invert(
+ tools::Long nX, tools::Long nY,
+ tools::Long nWidth, tools::Long nHeight,
+ SalInvert nFlags) = 0;
+
+ virtual void invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags ) = 0;
+
+ virtual bool drawEPS(
+ tools::Long nX, tools::Long nY,
+ tools::Long nWidth, tools::Long nHeight,
+ void* pPtr,
+ sal_uInt32 nSize ) = 0;
+
+ /** Blend the bitmap with the current buffer */
+ virtual bool blendBitmap(
+ const SalTwoRect&,
+ const SalBitmap& rBitmap ) = 0;
+
+ /** Draw the bitmap by blending using the mask and alpha channel */
+ virtual bool blendAlphaBitmap(
+ const SalTwoRect&,
+ const SalBitmap& rSrcBitmap,
+ const SalBitmap& rMaskBitmap,
+ const SalBitmap& rAlphaBitmap ) = 0;
+
+ /** Render bitmap with alpha channel
+
+ @param rSourceBitmap
+ Source bitmap to blit
+
+ @param rAlphaBitmap
+ Alpha channel to use for blitting
+
+ @return true, if the operation succeeded, and false
+ otherwise. In this case, clients should try to emulate alpha
+ compositing themselves
+ */
+ virtual bool drawAlphaBitmap(
+ const SalTwoRect&,
+ const SalBitmap& rSourceBitmap,
+ const SalBitmap& rAlphaBitmap ) = 0;
+
+ /** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system
+
+ @param fAlpha additional alpha (0 to 1) to apply while drawing
+ */
+ virtual bool drawTransformedBitmap(
+ const basegfx::B2DPoint& rNull,
+ const basegfx::B2DPoint& rX,
+ const basegfx::B2DPoint& rY,
+ const SalBitmap& rSourceBitmap,
+ const SalBitmap* pAlphaBitmap,
+ double fAlpha) = 0;
+
+ /// Returns true if the drawTransformedBitmap() call is fast, and so it should
+ /// be used directly without trying to optimize some calls e.g. by calling drawBitmap()
+ /// instead (which is faster for most VCL backends). These optimizations are not
+ /// done unconditionally because they may be counter-productive for some fast VCL backends
+ /// (for example, some OutputDevice optimizations could try access the pixels, which
+ /// would make performance worse for GPU-backed backends).
+ /// See also tdf#138068.
+ virtual bool hasFastDrawTransformedBitmap() const = 0;
+
+ /** Render solid rectangle with given transparency
+ *
+ * @param nX Top left coordinate of rectangle
+ * @param nY Bottom right coordinate of rectangle
+ * @param nWidth Width of rectangle
+ * @param nHeight Height of rectangle
+ * @param nTransparency Transparency value (0-255) to use. 0 blits and opaque, 255 a
+ * fully transparent rectangle
+ * @returns true if successfully drawn, false if not able to draw rectangle
+ */
+ virtual bool drawAlphaRect(
+ tools::Long nX, tools::Long nY,
+ tools::Long nWidth, tools::Long nHeight,
+ sal_uInt8 nTransparency ) = 0;
+
+private:
+ SalLayoutFlags m_nLayout; //< 0: mirroring off, 1: mirror x-axis
+
+ // for buffering the Mirror-Matrix, see ::getMirror
+ enum class MirrorMode
+ {
+ NONE,
+ Antiparallel,
+ AntiparallelBiDi,
+ BiDi
+ };
+ MirrorMode m_eLastMirrorMode;
+ tools::Long m_nLastMirrorTranslation;
+ basegfx::B2DHomMatrix m_aLastMirror;
+
+ MirrorMode GetMirrorMode(const OutputDevice& rOutDev) const;
+
+protected:
+ /// flags which hold the SetAntialiasing() value from OutputDevice
+ bool m_bAntiAlias : 1;
+ bool m_bTextRenderModeForResolutionIndependentLayout : 1;
+
+ inline tools::Long GetDeviceWidth(const OutputDevice& rOutDev) const;
+
+ /**
+ * Handle damage done by drawing with a widget draw override
+ *
+ * If a m_pWidgetDraw is set and successfully draws using drawNativeControl,
+ * this function is called to handle the damage done to the graphics buffer.
+ *
+ * @param rDamagedRegion the region damaged by drawNativeControl.
+ **/
+ virtual inline void handleDamage(const tools::Rectangle& rDamagedRegion);
+
+ // native controls
+ bool initWidgetDrawBackends(bool bForce = false);
+
+ std::unique_ptr<vcl::WidgetDrawInterface> m_pWidgetDraw;
+ vcl::WidgetDrawInterface* forWidget() { return m_pWidgetDraw ? m_pWidgetDraw.get() : this; }
+
+ static void GetGlyphWidths(const vcl::AbstractTrueTypeFont& rTTF,
+ const vcl::font::PhysicalFontFace& rFontFace, bool bVertical,
+ std::vector<sal_Int32>& rWidths, Ucs2UIntMap& rUnicodeEnc);
+
+ static bool CreateTTFfontSubset(vcl::AbstractTrueTypeFont& aTTF, const OString& rSysPath,
+ const bool bVertical, const sal_GlyphId* pGlyphIds,
+ const sal_uInt8* pEncoding, sal_Int32* pGlyphWidths,
+ int nGlyphCount);
+
+ static bool CreateCFFfontSubset(const unsigned char* pFontBytes, int nByteLength,
+ const OString& rSysPath, const sal_GlyphId* pGlyphIds,
+ const sal_uInt8* pEncoding, sal_Int32* pGlyphWidths,
+ int nGlyphCount, FontSubsetInfo& rInfo);
+
+ static void FillFontSubsetInfo(const vcl::TTGlobalFontInfo& rTTInfo, const OUString& pPSName,
+ FontSubsetInfo& rInfo);
+};
+
+bool SalGraphics::IsNativeControlSupported(ControlType eType, ControlPart ePart)
+{
+ return forWidget()->isNativeControlSupported(eType, ePart);
+}
+
+bool SalGraphics::UpdateSettings(AllSettings& rSettings)
+{
+ return forWidget()->updateSettings(rSettings);
+}
+
+void SalGraphics::handleDamage(const tools::Rectangle&) {}
+
+
+class VCL_DLLPUBLIC SalGraphicsAutoDelegateToImpl : public SalGraphics
+{
+public:
+ sal_uInt16 GetBitCount() const override
+ {
+ return GetImpl()->GetBitCount();
+ }
+
+ tools::Long GetGraphicsWidth() const override
+ {
+ return GetImpl()->GetGraphicsWidth();
+ }
+
+ void ResetClipRegion() override
+ {
+ GetImpl()->ResetClipRegion();
+ }
+
+ bool setClipRegion( const vcl::Region& i_rClip ) override
+ {
+ return GetImpl()->setClipRegion(i_rClip);
+ }
+
+ void SetLineColor() override
+ {
+ GetImpl()->SetLineColor();
+ }
+
+ void SetLineColor( Color nColor ) override
+ {
+ GetImpl()->SetLineColor(nColor);
+ }
+
+ void SetFillColor() override
+ {
+ GetImpl()->SetFillColor();
+ }
+
+ void SetFillColor( Color nColor ) override
+ {
+ GetImpl()->SetFillColor (nColor);
+ }
+
+ void SetROPLineColor(SalROPColor aColor) override
+ {
+ GetImpl()->SetROPLineColor(aColor);
+ }
+
+ void SetROPFillColor( SalROPColor aColor) override
+ {
+ GetImpl()->SetROPFillColor(aColor);
+ }
+
+ void SetXORMode(bool bSet, bool bInvertOnly) override
+ {
+ GetImpl()->SetXORMode(bSet, bInvertOnly);
+ }
+
+ void drawPixel( tools::Long nX, tools::Long nY ) override
+ {
+ GetImpl()->drawPixel(nX, nY);
+ }
+
+ void drawPixel( tools::Long nX, tools::Long nY, Color nColor ) override
+ {
+ GetImpl()->drawPixel(nX, nY, nColor);
+ }
+
+ void drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) override
+ {
+ GetImpl()->drawLine(nX1, nY1, nX2, nY2);
+ }
+
+ void drawRect( tools::Long nX, tools::Long nY, tools::Long nDX, tools::Long nDY ) override
+ {
+ GetImpl()->drawRect(nX, nY, nDX, nDY);
+ }
+
+ void drawPolyLine( sal_uInt32 nPoints, const Point *pPtAry ) override
+ {
+ GetImpl()->drawPolyLine(nPoints, pPtAry);
+ }
+
+ void drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) override
+ {
+ GetImpl()->drawPolygon(nPoints, pPtAry);
+ }
+
+ void drawPolyPolygon(sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry) override
+ {
+ GetImpl()->drawPolyPolygon (nPoly, pPoints, pPtAry);
+ }
+
+ bool drawPolyPolygon(
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ const basegfx::B2DPolyPolygon& rPolyPolygon,
+ double fTransparency) override
+ {
+ return GetImpl()->drawPolyPolygon(rObjectToDevice, rPolyPolygon, fTransparency);
+ }
+
+ bool drawPolyLine(
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ const basegfx::B2DPolygon& rPolygon,
+ double fTransparency,
+ double fLineWidth,
+ const std::vector< double >* pStroke,
+ basegfx::B2DLineJoin eJoin,
+ css::drawing::LineCap eLineCap,
+ double fMiterMinimumAngle,
+ bool bPixelSnapHairline) override
+ {
+ return GetImpl()->drawPolyLine(rObjectToDevice, rPolygon, fTransparency, fLineWidth, pStroke, eJoin, eLineCap, fMiterMinimumAngle, bPixelSnapHairline);
+ }
+
+ bool drawPolyLineBezier( sal_uInt32 nPoints, const Point* pPtAry, const PolyFlags* pFlgAry ) override
+ {
+ return GetImpl()->drawPolyLineBezier(nPoints, pPtAry, pFlgAry);
+ }
+
+ bool drawPolygonBezier( sal_uInt32 nPoints, const Point* pPtAry, const PolyFlags* pFlgAry ) override
+ {
+ return GetImpl()->drawPolygonBezier(nPoints, pPtAry, pFlgAry);
+ }
+
+ bool drawPolyPolygonBezier( sal_uInt32 nPoly,
+ const sal_uInt32* pPoints,
+ const Point* const* pPtAry,
+ const PolyFlags* const* pFlgAry) override
+ {
+ return GetImpl()->drawPolyPolygonBezier(nPoly, pPoints, pPtAry, pFlgAry);
+ }
+
+ void invert(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
+ SalInvert nFlags) override
+ {
+ GetImpl()->invert(nX, nY, nWidth, nHeight, nFlags);
+ }
+
+ void invert(sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags) override
+ {
+ GetImpl()->invert(nPoints, pPtAry, nFlags);
+ }
+
+ bool drawEPS(tools::Long nX, tools::Long nY, tools::Long nWidth,
+ tools::Long nHeight, void* pPtr, sal_uInt32 nSize) override
+ {
+ return GetImpl()->drawEPS(nX, nY, nWidth, nHeight, pPtr, nSize);
+ }
+
+ void copyBits(const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics) override
+ {
+ GetImpl()->copyBits(rPosAry, pSrcGraphics);
+ }
+
+ void copyArea (tools::Long nDestX, tools::Long nDestY, tools::Long nSrcX,
+ tools::Long nSrcY, tools::Long nSrcWidth, tools::Long nSrcHeight,
+ bool bWindowInvalidate) override
+ {
+ GetImpl()->copyArea(nDestX, nDestY, nSrcX, nSrcY, nSrcWidth, nSrcHeight, bWindowInvalidate);
+ }
+
+ void drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap) override
+ {
+ GetImpl()->drawBitmap(rPosAry, rSalBitmap);
+ }
+
+ void drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap, const SalBitmap& rMaskBitmap) override
+ {
+ GetImpl()->drawBitmap(rPosAry, rSalBitmap, rMaskBitmap);
+ }
+
+ void drawMask(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap, Color nMaskColor) override
+ {
+ GetImpl()->drawMask(rPosAry, rSalBitmap, nMaskColor);
+ }
+
+ std::shared_ptr<SalBitmap> getBitmap(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight) override
+ {
+ return GetImpl()->getBitmap(nX, nY, nWidth, nHeight);
+ }
+
+ Color getPixel(tools::Long nX, tools::Long nY) override
+ {
+ return GetImpl()->getPixel(nX, nY);
+ }
+
+ bool blendBitmap(const SalTwoRect& rPosAry, const SalBitmap& rBitmap) override
+ {
+ return GetImpl()->blendBitmap(rPosAry, rBitmap);
+ }
+
+ bool blendAlphaBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSourceBitmap,
+ const SalBitmap& rMaskBitmap, const SalBitmap& rAlphaBitmap) override
+ {
+ return GetImpl()->blendAlphaBitmap(rPosAry, rSourceBitmap, rMaskBitmap, rAlphaBitmap);
+ }
+
+ bool drawAlphaBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSourceBitmap,
+ const SalBitmap& rAlphaBitmap) override
+ {
+ return GetImpl()->drawAlphaBitmap(rPosAry, rSourceBitmap, rAlphaBitmap);
+ }
+
+ bool drawTransformedBitmap(const basegfx::B2DPoint& rNull,
+ const basegfx::B2DPoint& rX,
+ const basegfx::B2DPoint& rY,
+ const SalBitmap& rSourceBitmap,
+ const SalBitmap* pAlphaBitmap, double fAlpha) override
+ {
+ return GetImpl()->drawTransformedBitmap(rNull, rX, rY, rSourceBitmap, pAlphaBitmap, fAlpha);
+ }
+
+ bool hasFastDrawTransformedBitmap() const override
+ {
+ return GetImpl()->hasFastDrawTransformedBitmap();
+ }
+
+ bool drawAlphaRect(tools::Long nX, tools::Long nY, tools::Long nWidth,
+ tools::Long nHeight, sal_uInt8 nTransparency) override
+ {
+ return GetImpl()->drawAlphaRect(nX, nY, nWidth, nHeight, nTransparency);
+ }
+
+ bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) override
+ {
+ return GetImpl()->drawGradient(rPolygon, rGradient);
+ }
+
+ bool implDrawGradient(basegfx::B2DPolyPolygon const& rPolyPolygon,
+ SalGradient const& rGradient) override
+ {
+ return GetImpl()->implDrawGradient(rPolyPolygon, rGradient);
+ }
+
+ bool supportsOperation(OutDevSupportType eType) const override
+ {
+ return GetImpl()->supportsOperation(eType);
+ }
+
+ OUString getRenderBackendName() const override
+ {
+ return GetImpl()->getRenderBackendName();
+ }
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-10 15:36:46 +0000