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Diffstat (limited to 'include/vcl/outdev.hxx')
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diff --git a/include/vcl/outdev.hxx b/include/vcl/outdev.hxx new file mode 100644 index 000000000..ea14e3d01 --- /dev/null +++ b/include/vcl/outdev.hxx @@ -0,0 +1,1930 @@ +/* -*- 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 <o3tl/span.hxx> +#include <tools/gen.hxx> +#include <tools/ref.hxx> +#include <tools/solar.h> +#include <tools/color.hxx> +#include <tools/poly.hxx> +#include <vcl/bitmap.hxx> +#include <vcl/cairo.hxx> +#include <vcl/devicecoordinate.hxx> +#include <vcl/dllapi.h> +#include <vcl/font.hxx> +#include <vcl/region.hxx> +#include <vcl/rendercontext/AddFontSubstituteFlags.hxx> +#include <vcl/rendercontext/AntialiasingFlags.hxx> +#include <vcl/rendercontext/SystemTextColorFlags.hxx> +#include <vcl/rendercontext/DrawGridFlags.hxx> +#include <vcl/rendercontext/DrawImageFlags.hxx> +#include <vcl/rendercontext/DrawModeFlags.hxx> +#include <vcl/rendercontext/DrawTextFlags.hxx> +#include <vcl/rendercontext/GetDefaultFontFlags.hxx> +#include <vcl/rendercontext/ImplMapRes.hxx> +#include <vcl/rendercontext/InvertFlags.hxx> +#include <vcl/rendercontext/RasterOp.hxx> +#include <vcl/rendercontext/SalLayoutFlags.hxx> +#include <vcl/rendercontext/State.hxx> +#include <vcl/mapmod.hxx> +#include <vcl/wall.hxx> +#include <vcl/metaactiontypes.hxx> +#include <vcl/salnativewidgets.hxx> +#include <vcl/vclreferencebase.hxx> + +#include <basegfx/numeric/ftools.hxx> +#include <basegfx/vector/b2enums.hxx> +#include <basegfx/polygon/b2dpolypolygon.hxx> + +#include <unotools/fontdefs.hxx> +#include <cppuhelper/weakref.hxx> + +#include <com/sun/star/drawing/LineCap.hpp> +#include <com/sun/star/uno/Reference.h> +#include <com/sun/star/awt/DeviceInfo.hpp> + +#include <memory> +#include <string_view> +#include <vector> + +struct ImplOutDevData; +class LogicalFontInstance; +struct SystemGraphicsData; +class ImplFontCache; +class ImplMultiTextLineInfo; +class SalGraphics; +class Gradient; +class Hatch; +class AllSettings; +class BitmapReadAccess; +class BitmapEx; +class Image; +class TextRectInfo; +class FontMetric; +class GDIMetaFile; +class GfxLink; +namespace tools { + class Line; +} +class LineInfo; +class AlphaMask; +class FontCharMap; +class SalLayout; +class VirtualDevice; +struct SalTwoRect; +class Printer; +class VCLXGraphics; +class OutDevStateStack; +class SalLayoutGlyphs; + +namespace vcl +{ + class ExtOutDevData; + class ITextLayout; + struct FontCapabilities; + class Window; + class WindowOutputDevice; + namespace font { + struct Feature; + class PhysicalFontCollection; + class PhysicalFontFaceCollection; + } + + namespace text { + class ImplLayoutArgs; + class TextLayoutCache; + } +} + +namespace basegfx { + class B2DHomMatrix; + class B2DPolygon; + class B2IVector; + typedef B2IVector B2ISize; +} + +namespace com::sun::star::awt { + class XGraphics; +} + +namespace com::sun::star::rendering { + class XCanvas; + class XSpriteCanvas; +} +namespace com::sun::star::linguistic2 { + class XHyphenator; +} +namespace com::sun::star::i18n { + class XBreakIterator; +} + +#if defined UNX +#define GLYPH_FONT_HEIGHT 128 +#else +#define GLYPH_FONT_HEIGHT 256 +#endif + +// OutputDevice-Types + +enum OutDevType { OUTDEV_WINDOW, OUTDEV_PRINTER, OUTDEV_VIRDEV, OUTDEV_PDF }; + +enum class OutDevViewType { DontKnow, PrintPreview, SlideShow }; + +// OutputDevice + +typedef tools::SvRef<FontCharMap> FontCharMapRef; + +BmpMirrorFlags AdjustTwoRect( SalTwoRect& rTwoRect, const Size& rSizePix ); +void AdjustTwoRect( SalTwoRect& rTwoRect, const tools::Rectangle& rValidSrcRect ); + +class OutputDevice; + +namespace vcl { + typedef OutputDevice RenderContext; +} + +VCL_DLLPUBLIC void InvertFocusRect(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect); + +typedef struct _cairo_surface cairo_surface_t; + +/** +* Some things multiple-inherit from VclAbstractDialog and OutputDevice, +* so we need to use virtual inheritance to keep the referencing counting +* OK. +*/ +class SAL_WARN_UNUSED VCL_DLLPUBLIC OutputDevice : public virtual VclReferenceBase +{ + friend class Printer; + friend class VirtualDevice; + friend class vcl::Window; + friend class vcl::WindowOutputDevice; + friend class WorkWindow; + friend void ImplHandleResize( vcl::Window* pWindow, tools::Long nNewWidth, tools::Long nNewHeight ); + +private: + OutputDevice(const OutputDevice&) = delete; + OutputDevice& operator=(const OutputDevice&) = delete; + + mutable SalGraphics* mpGraphics; ///< Graphics context to draw on + mutable VclPtr<OutputDevice> mpPrevGraphics; ///< Previous output device in list + mutable VclPtr<OutputDevice> mpNextGraphics; ///< Next output device in list + GDIMetaFile* mpMetaFile; + mutable rtl::Reference<LogicalFontInstance> mpFontInstance; + mutable std::unique_ptr<vcl::font::PhysicalFontFaceCollection> mpFontFaceCollection; + std::vector<vcl::State> maOutDevStateStack; + std::unique_ptr<ImplOutDevData> mpOutDevData; + std::vector< VCLXGraphics* >* mpUnoGraphicsList; + vcl::ExtOutDevData* mpExtOutDevData; + // The canvas interface for this output device. Is persistent after the first GetCanvas() call + mutable css::uno::WeakReference< css::rendering::XCanvas > mxCanvas; + + // TEMP TEMP TEMP + VclPtr<VirtualDevice> mpAlphaVDev; + + /// Additional output pixel offset, applied in LogicToPixel (used by SetPixelOffset/GetPixelOffset) + tools::Long mnOutOffOrigX; + /// Additional output offset in _logical_ coordinates, applied in PixelToLogic (used by SetPixelOffset/GetPixelOffset) + tools::Long mnOutOffLogicX; + /// Additional output pixel offset, applied in LogicToPixel (used by SetPixelOffset/GetPixelOffset) + tools::Long mnOutOffOrigY; + /// Additional output offset in _logical_ coordinates, applied in PixelToLogic (used by SetPixelOffset/GetPixelOffset) + tools::Long mnOutOffLogicY; + /// Output offset for device output in pixel (pseudo window offset within window system's frames) + tools::Long mnOutOffX; + /// Output offset for device output in pixel (pseudo window offset within window system's frames) + tools::Long mnOutOffY; + tools::Long mnOutWidth; + tools::Long mnOutHeight; + sal_Int32 mnDPIX; + sal_Int32 mnDPIY; + sal_Int32 mnDPIScalePercentage; ///< For HiDPI displays, we want to draw elements for a percentage larger + /// font specific text alignment offsets in pixel units + mutable tools::Long mnTextOffX; + mutable tools::Long mnTextOffY; + mutable tools::Long mnEmphasisAscent; + mutable tools::Long mnEmphasisDescent; + DrawModeFlags mnDrawMode; + vcl::text::ComplexTextLayoutFlags mnTextLayoutMode; + ImplMapRes maMapRes; + const OutDevType meOutDevType; + OutDevViewType meOutDevViewType; + vcl::Region maRegion; // contains the clip region, see SetClipRegion(...) + Color maLineColor; + Color maFillColor; + vcl::Font maFont; + Color maTextColor; + Color maTextLineColor; + Color maOverlineColor; + RasterOp meRasterOp; + Wallpaper maBackground; + std::unique_ptr<AllSettings> mxSettings; + MapMode maMapMode; + Point maRefPoint; + AntialiasingFlags mnAntialiasing; + LanguageType meTextLanguage; + bool mbTextRenderModeForResolutionIndependentLayout; + + mutable bool mbMap : 1; + mutable bool mbClipRegion : 1; + mutable bool mbBackground : 1; + mutable bool mbOutput : 1; + mutable bool mbDevOutput : 1; + mutable bool mbOutputClipped : 1; + mutable bool mbLineColor : 1; + mutable bool mbFillColor : 1; + mutable bool mbInitLineColor : 1; + mutable bool mbInitFillColor : 1; + mutable bool mbInitFont : 1; + mutable bool mbInitTextColor : 1; + mutable bool mbInitClipRegion : 1; + mutable bool mbClipRegionSet : 1; + mutable bool mbNewFont : 1; + mutable bool mbTextLines : 1; + mutable bool mbTextSpecial : 1; + mutable bool mbRefPoint : 1; + mutable bool mbEnableRTL : 1; + +protected: + mutable std::shared_ptr<vcl::font::PhysicalFontCollection> mxFontCollection; + mutable std::shared_ptr<ImplFontCache> mxFontCache; + + /** @name Initialization and accessor functions + */ + ///@{ + +protected: + OutputDevice(OutDevType eOutDevType); + virtual ~OutputDevice() override; + virtual void dispose() override; + +public: + + /** Get the graphic context that the output device uses to draw on. + + If no graphics device exists, then initialize it. + + @returns SalGraphics instance. + */ + SalGraphics const *GetGraphics() const; + SalGraphics* GetGraphics(); + + void SetConnectMetaFile( GDIMetaFile* pMtf ); + GDIMetaFile* GetConnectMetaFile() const { return mpMetaFile; } + + virtual void SetSettings( const AllSettings& rSettings ); + const AllSettings& GetSettings() const { return *mxSettings; } + + SystemGraphicsData GetSystemGfxData() const; + OUString GetRenderBackendName() const; + + // Used by the canvas module. Despite the name it does not always return true if Cairo is supported. + bool SupportsCairo() const; + /// Create Surface from given cairo surface + cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const; + /// Create surface with given dimensions + cairo::SurfaceSharedPtr CreateSurface(int x, int y, int width, int height) const; + /// Create Surface for given bitmap data + cairo::SurfaceSharedPtr CreateBitmapSurface(const BitmapSystemData& rData, const Size& rSize) const; + /// Return native handle for underlying surface + css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const; + css::uno::Any GetSystemGfxDataAny() const; + + void SetRefPoint(); + void SetRefPoint( const Point& rRefPoint ); + const Point& GetRefPoint() const { return maRefPoint; } + bool IsRefPoint() const { return mbRefPoint; } + + virtual bool IsScreenComp() const { return true; } + + virtual sal_uInt16 GetBitCount() const; + + Size GetOutputSizePixel() const + { return Size( mnOutWidth, mnOutHeight ); } + tools::Long GetOutputWidthPixel() const { return mnOutWidth; } + tools::Long GetOutputHeightPixel() const { return mnOutHeight; } + tools::Long GetOutOffXPixel() const { return mnOutOffX; } + tools::Long GetOutOffYPixel() const { return mnOutOffY; } + void SetOutOffXPixel(tools::Long nOutOffX); + void SetOutOffYPixel(tools::Long nOutOffY); + Point GetOutputOffPixel() const + { return Point( mnOutOffX, mnOutOffY ); } + tools::Rectangle GetOutputRectPixel() const + { return tools::Rectangle(GetOutputOffPixel(), GetOutputSizePixel() ); } + + Size GetOutputSize() const + { return PixelToLogic( GetOutputSizePixel() ); } + + css::uno::Reference< css::awt::XGraphics > + CreateUnoGraphics(); + std::vector< VCLXGraphics* > *GetUnoGraphicsList() const { return mpUnoGraphicsList; } + std::vector< VCLXGraphics* > *CreateUnoGraphicsList(); + + virtual size_t GetSyncCount() const { return 0xffffffff; } + + /// request XCanvas render interface + css::uno::Reference< css::rendering::XCanvas > GetCanvas() const; + /// request XSpriteCanvas render interface + css::uno::Reference< css::rendering::XSpriteCanvas > GetSpriteCanvas() const; + +protected: + + /** Acquire a graphics device that the output device uses to draw on. + + There is an LRU of OutputDevices that is used to get the graphics. The + actual creation of a SalGraphics instance is done via the SalFrame + implementation. + + However, the SalFrame instance will only return a valid SalGraphics + instance if it is not in use or there wasn't one in the first place. When + this happens, AcquireGraphics finds the least recently used OutputDevice + in a different frame and "steals" it (releases it then starts using it). + + If there are no frames to steal an OutputDevice's SalGraphics instance from + then it blocks until the graphics is released. + + Once it has acquired a graphics instance, then we add the OutputDevice to + the LRU. + + @returns true if was able to initialize the graphics device, false otherwise. + */ + virtual bool AcquireGraphics() const = 0; + + /** Release the graphics device, and remove it from the graphics device + list. + + @param bRelease Determines whether to release the fonts of the + physically released graphics device. + */ + virtual void ReleaseGraphics( bool bRelease = true ) = 0; + ///@} + + + /** @name Helper functions + */ + ///@{ + +public: + + /** Get the output device's DPI x-axis value. + + @returns x-axis DPI value + */ + SAL_DLLPRIVATE sal_Int32 GetDPIX() const { return mnDPIX; } + + /** Get the output device's DPI y-axis value. + + @returns y-axis DPI value + */ + SAL_DLLPRIVATE sal_Int32 GetDPIY() const { return mnDPIY; } + + SAL_DLLPRIVATE void SetDPIX( sal_Int32 nDPIX ) { mnDPIX = nDPIX; } + SAL_DLLPRIVATE void SetDPIY( sal_Int32 nDPIY ) { mnDPIY = nDPIY; } + + float GetDPIScaleFactor() const + { + return mnDPIScalePercentage / 100.0f; + } + + sal_Int32 GetDPIScalePercentage() const + { + return mnDPIScalePercentage; + } + + OutDevType GetOutDevType() const { return meOutDevType; } + virtual bool IsVirtual() const; + + /** Query an OutputDevice to see whether it supports a specific operation + + @returns true if operation supported, else false + */ + bool SupportsOperation( OutDevSupportType ) const; + + void SetExtOutDevData( vcl::ExtOutDevData* pExtOutDevData ) { mpExtOutDevData = pExtOutDevData; } + vcl::ExtOutDevData* GetExtOutDevData() const { return mpExtOutDevData; } + + ///@} + +public: + virtual Size GetButtonBorderSize() { return Size(1, 1); }; + virtual Color GetMonochromeButtonColor() { return COL_WHITE; } + + /** @name Direct OutputDevice drawing functions + */ + ///@{ + +public: + virtual void Flush() {} + + virtual void DrawOutDev( + const Point& rDestPt, const Size& rDestSize, + const Point& rSrcPt, const Size& rSrcSize ); + + virtual void DrawOutDev( + const Point& rDestPt, const Size& rDestSize, + const Point& rSrcPt, const Size& rSrcSize, + const OutputDevice& rOutDev ); + + virtual void CopyArea( + const Point& rDestPt, + const Point& rSrcPt, const Size& rSrcSize, + bool bWindowInvalidate = false ); + +protected: + + virtual void CopyDeviceArea( SalTwoRect& aPosAry, bool bWindowInvalidate); + + virtual tools::Rectangle GetBackgroundComponentBounds() const; + + virtual const OutputDevice* DrawOutDevDirectCheck(const OutputDevice& rSrcDev) const; + + virtual void DrawOutDevDirectProcess(const OutputDevice& rSrcDev, SalTwoRect& rPosAry, SalGraphics* pSrcGraphics); + + SAL_DLLPRIVATE void drawOutDevDirect(const OutputDevice& rSrcDev, SalTwoRect& rPosAry); + + SAL_DLLPRIVATE bool is_double_buffered_window() const; + + virtual css::uno::Reference< css::rendering::XCanvas > ImplGetCanvas( bool bSpriteCanvas ) const; + SAL_DLLPRIVATE void ImplDisposeCanvas(); + +private: + + // not implemented; to detect misuses of DrawOutDev(...OutputDevice&); + SAL_DLLPRIVATE void DrawOutDev( const Point&, const Size&, const Point&, const Size&, const Printer&) = delete; + ///@} + + + /** @name OutputDevice state functions + */ + ///@{ + +public: + + void Push( vcl::PushFlags nFlags = vcl::PushFlags::ALL ); + void Pop(); + void ClearStack(); + + void EnableOutput( bool bEnable = true ); + bool IsOutputEnabled() const { return mbOutput; } + bool IsDeviceOutputNecessary() const { return (mbOutput && mbDevOutput); } + + void SetAntialiasing( AntialiasingFlags nMode ); + AntialiasingFlags GetAntialiasing() const { return mnAntialiasing; } + + // Render glyphs with a mode suitable for rendering of resolution-independent layout positions. + void SetTextRenderModeForResolutionIndependentLayout(bool bMode); + bool GetTextRenderModeForResolutionIndependentLayout() const { return mbTextRenderModeForResolutionIndependentLayout; } + + void SetDrawMode( DrawModeFlags nDrawMode ); + DrawModeFlags GetDrawMode() const { return mnDrawMode; } + + void SetLayoutMode( vcl::text::ComplexTextLayoutFlags nTextLayoutMode ); + vcl::text::ComplexTextLayoutFlags GetLayoutMode() const { return mnTextLayoutMode; } + + void SetDigitLanguage( LanguageType ); + LanguageType GetDigitLanguage() const { return meTextLanguage; } + + void SetRasterOp( RasterOp eRasterOp ); + RasterOp GetRasterOp() const { return meRasterOp; } + + /** + If this OutputDevice is used for displaying a Print Preview + the OutDevViewType should be set to 'OutDevViewType::PrintPreview'. + + A View can then make painting decisions dependent on this OutDevViewType. + E.g. text colors need to be handled differently, dependent on whether it's a PrintPreview or not. (see #106611# for more) + */ + void SetOutDevViewType( OutDevViewType eOutDevViewType ) { meOutDevViewType=eOutDevViewType; } + OutDevViewType GetOutDevViewType() const { return meOutDevViewType; } + + void SetLineColor(); + void SetLineColor( const Color& rColor ); + const Color& GetLineColor() const { return maLineColor; } + bool IsLineColor() const { return mbLineColor; } + + void SetFillColor(); + void SetFillColor( const Color& rColor ); + const Color& GetFillColor() const { return maFillColor; } + bool IsFillColor() const { return mbFillColor; } + + void SetBackground(); + void SetBackground( const Wallpaper& rBackground ); + virtual void SaveBackground(VirtualDevice& rSaveDevice, + const Point& rPos, const Size& rSize, const Size& rBackgroundSize) const; + + const Wallpaper& GetBackground() const { return maBackground; } + virtual Color GetBackgroundColor() const; + virtual Color GetReadableFontColor(const Color& rFontColor, const Color& rBgColor) const; + bool IsBackground() const { return mbBackground; } + + void SetFont( const vcl::Font& rNewFont ); + const vcl::Font& GetFont() const { return maFont; } + +protected: + + virtual void ImplReleaseFonts(); + +private: + + SAL_DLLPRIVATE void InitLineColor(); + + SAL_DLLPRIVATE void InitFillColor(); + + ///@} + + + /** @name Clipping functions + */ + ///@{ + +public: + + vcl::Region GetClipRegion() const; + void SetClipRegion(); + void SetClipRegion( const vcl::Region& rRegion ); + bool SelectClipRegion( const vcl::Region&, SalGraphics* pGraphics = nullptr ); + + bool IsClipRegion() const { return mbClipRegion; } + + void MoveClipRegion( tools::Long nHorzMove, tools::Long nVertMove ); + void IntersectClipRegion( const tools::Rectangle& rRect ); + void IntersectClipRegion( const vcl::Region& rRegion ); + + virtual vcl::Region GetActiveClipRegion() const; + virtual vcl::Region GetOutputBoundsClipRegion() const; + +protected: + + virtual void InitClipRegion(); + + /** Perform actual rect clip against outdev dimensions, to generate + empty clips whenever one of the values is completely off the device. + + @param aRegion region to be clipped to the device dimensions + @returns region clipped to the device bounds + **/ + virtual vcl::Region ClipToDeviceBounds(vcl::Region aRegion) const; + virtual void ClipToPaintRegion ( tools::Rectangle& rDstRect ); + +private: + + SAL_DLLPRIVATE void SetDeviceClipRegion( const vcl::Region* pRegion ); + ///@} + +public: + virtual void DrawBorder(tools::Rectangle aBorderRect); + + + /** @name Pixel functions + */ + ///@{ + +public: + + void DrawPixel( const Point& rPt ); + void DrawPixel( const Point& rPt, const Color& rColor ); + + Color GetPixel( const Point& rPt ) const; + ///@} + + + /** @name Rectangle functions + */ + ///@{ + +public: + + void DrawRect( const tools::Rectangle& rRect ); + void DrawRect( const tools::Rectangle& rRect, + sal_uLong nHorzRount, sal_uLong nVertRound ); + + /// Fill the given rectangle with checkered rectangles of size nLen x nLen using the colors aStart and aEnd + void DrawCheckered( + const Point& rPos, + const Size& rSize, + sal_uInt32 nLen = 8, + Color aStart = COL_WHITE, + Color aEnd = COL_BLACK); + + void DrawGrid( const tools::Rectangle& rRect, const Size& rDist, DrawGridFlags nFlags ); + + ///@} + + /** @name Invert functions + */ + ///@{ +public: + void Invert( const tools::Rectangle& rRect, InvertFlags nFlags = InvertFlags::NONE ); + void Invert( const tools::Polygon& rPoly, InvertFlags nFlags = InvertFlags::NONE ); + ///@} + + /** @name Line functions + */ + ///@{ + +public: + + void DrawLine( const Point& rStartPt, const Point& rEndPt ); + + void DrawLine( const Point& rStartPt, const Point& rEndPt, + const LineInfo& rLineInfo ); + +protected: + virtual void DrawHatchLine_DrawLine(const Point& rStartPoint, const Point& rEndPoint); + +private: + + /** Helper for line geometry paint with support for graphic expansion (pattern and fat_to_area) + */ + SAL_DLLPRIVATE void drawLine( basegfx::B2DPolyPolygon aLinePolyPolygon, const LineInfo& rInfo ); + ///@} + + + /** @name Polyline functions + */ + ///@{ + +public: + + /** Render the given polygon as a line stroke + + The given polygon is stroked with the current LineColor, start + and end point are not automatically connected + + @see DrawPolygon + @see DrawPolyPolygon + */ + void DrawPolyLine( const tools::Polygon& rPoly ); + + void DrawPolyLine( + const basegfx::B2DPolygon&, + double fLineWidth = 0.0, + basegfx::B2DLineJoin eLineJoin = basegfx::B2DLineJoin::Round, + css::drawing::LineCap eLineCap = css::drawing::LineCap_BUTT, + double fMiterMinimumAngle = basegfx::deg2rad(15.0)); + + /** Render the given polygon as a line stroke + + The given polygon is stroked with the current LineColor, start + and end point are not automatically connected. The line is + rendered according to the specified LineInfo, e.g. supplying a + dash pattern, or a line thickness. + + @see DrawPolygon + @see DrawPolyPolygon + */ + void DrawPolyLine( const tools::Polygon& rPoly, + const LineInfo& rLineInfo ); + + // #i101491# + // Helper who tries to use SalGDI's DrawPolyLine direct and returns it's bool. + bool DrawPolyLineDirect( + const basegfx::B2DHomMatrix& rObjectTransform, + const basegfx::B2DPolygon& rB2DPolygon, + double fLineWidth = 0.0, + double fTransparency = 0.0, + const std::vector< double >* = nullptr, // MM01 + basegfx::B2DLineJoin eLineJoin = basegfx::B2DLineJoin::NONE, + css::drawing::LineCap eLineCap = css::drawing::LineCap_BUTT, + double fMiterMinimumAngle = basegfx::deg2rad(15.0)); + +private: + + // #i101491# + // Helper which holds the old line geometry creation and is extended to use AA when + // switched on. Advantage is that line geometry is only temporarily used for paint + SAL_DLLPRIVATE void drawPolyLine(const tools::Polygon& rPoly, const LineInfo& rLineInfo); + + ///@} + + bool DrawPolyLineDirectInternal( + const basegfx::B2DHomMatrix& rObjectTransform, + const basegfx::B2DPolygon& rB2DPolygon, + double fLineWidth = 0.0, + double fTransparency = 0.0, + const std::vector< double >* = nullptr, // MM01 + basegfx::B2DLineJoin eLineJoin = basegfx::B2DLineJoin::NONE, + css::drawing::LineCap eLineCap = css::drawing::LineCap_BUTT, + double fMiterMinimumAngle = basegfx::deg2rad(15.0)); + + /** @name Polygon functions + */ + ///@{ + +public: + + /** Render the given polygon + + The given polygon is stroked with the current LineColor, and + filled with the current FillColor. If one of these colors are + transparent, the corresponding stroke or fill stays + invisible. Start and end point of the polygon are + automatically connected. + + @see DrawPolyLine + */ + void DrawPolygon( const tools::Polygon& rPoly ); + void DrawPolygon( const basegfx::B2DPolygon& ); + + /** Render the given poly-polygon + + The given poly-polygon is stroked with the current LineColor, + and filled with the current FillColor. If one of these colors + are transparent, the corresponding stroke or fill stays + invisible. Start and end points of the contained polygons are + automatically connected. + + @see DrawPolyLine + */ + void DrawPolyPolygon( const tools::PolyPolygon& rPolyPoly ); + void DrawPolyPolygon( const basegfx::B2DPolyPolygon& ); + +private: + + SAL_DLLPRIVATE void ImplDrawPolygon( const tools::Polygon& rPoly, const tools::PolyPolygon* pClipPolyPoly = nullptr ); + SAL_DLLPRIVATE void ImplDrawPolyPolygon( const tools::PolyPolygon& rPolyPoly, const tools::PolyPolygon* pClipPolyPoly ); + SAL_DLLPRIVATE void ImplDrawPolyPolygon( sal_uInt16 nPoly, const tools::PolyPolygon& rPolyPoly ); + // #i101491# + // Helper who implements the DrawPolyPolygon functionality for basegfx::B2DPolyPolygon + // without MetaFile processing + SAL_DLLPRIVATE void ImplDrawPolyPolygonWithB2DPolyPolygon(const basegfx::B2DPolyPolygon& rB2DPolyPoly); + ///@} + + SAL_DLLPRIVATE void ImplDrawWaveLineBezier(tools::Long nStartX, tools::Long nStartY, tools::Long nEndX, tools::Long nEndY, tools::Long nWaveHeight, double fOrientation, tools::Long nLineWidth); + + + /** @name Curved shape functions + */ + ///@{ + +public: + + void DrawEllipse( const tools::Rectangle& rRect ); + + void DrawArc( + const tools::Rectangle& rRect, + const Point& rStartPt, const Point& rEndPt ); + + void DrawPie( + const tools::Rectangle& rRect, + const Point& rStartPt, const Point& rEndPt ); + + void DrawChord( + const tools::Rectangle& rRect, + const Point& rStartPt, const Point& rEndPt ); + + ///@} + + + /** @name Gradient functions + */ + ///@{ + +public: + void DrawGradient( const tools::Rectangle& rRect, const Gradient& rGradient ); + void DrawGradient( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient ); + +protected: + + virtual bool UsePolyPolygonForComplexGradient() = 0; + + virtual tools::Long GetGradientStepCount( tools::Long nMinRect ); + +private: + + SAL_DLLPRIVATE void DrawLinearGradient( const tools::Rectangle& rRect, const Gradient& rGradient, const tools::PolyPolygon* pClipPolyPoly ); + SAL_DLLPRIVATE void DrawComplexGradient( const tools::Rectangle& rRect, const Gradient& rGradient, const tools::PolyPolygon* pClipPolyPoly ); + SAL_DLLPRIVATE void DrawGradientToMetafile( const tools::PolyPolygon& rPolyPoly, const Gradient& rGradient ); + SAL_DLLPRIVATE tools::Long GetGradientSteps(Gradient const& rGradient, tools::Rectangle const& rRect); + SAL_DLLPRIVATE Color GetSingleColorGradientFill(); + ///@} + + + /** @name Hatch functions + */ + ///@{ + +public: + +#ifdef _MSC_VER + void DrawHatch( const tools::PolyPolygon& rPolyPoly, const ::Hatch& rHatch ); + void AddHatchActions( const tools::PolyPolygon& rPolyPoly, + const ::Hatch& rHatch, + GDIMetaFile& rMtf ); +#else + void DrawHatch( const tools::PolyPolygon& rPolyPoly, const Hatch& rHatch ); + void AddHatchActions( const tools::PolyPolygon& rPolyPoly, + const Hatch& rHatch, + GDIMetaFile& rMtf ); +#endif + + void DrawHatch( const tools::PolyPolygon& rPolyPoly, const Hatch& rHatch, bool bMtf ); + +private: + + SAL_DLLPRIVATE void CalcHatchValues( const tools::Rectangle& rRect, tools::Long nDist, Degree10 nAngle10, Point& rPt1, Point& rPt2, Size& rInc, Point& rEndPt1 ); + SAL_DLLPRIVATE void DrawHatchLine( const tools::Line& rLine, const tools::PolyPolygon& rPolyPoly, Point* pPtBuffer, bool bMtf ); + ///@} + + + /** @name Wallpaper functions + */ + ///@{ + +public: + void DrawWallpaper( const tools::Rectangle& rRect, const Wallpaper& rWallpaper ); + + void Erase(); + void Erase(const tools::Rectangle& rRect); + +protected: + void DrawGradientWallpaper( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, const Wallpaper& rWallpaper ); + +private: + SAL_DLLPRIVATE void DrawWallpaper( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, const Wallpaper& rWallpaper ); + SAL_DLLPRIVATE void DrawColorWallpaper( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, const Wallpaper& rWallpaper ); + SAL_DLLPRIVATE void DrawBitmapWallpaper( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, const Wallpaper& rWallpaper ); + ///@} + + + /** @name Text functions + */ + ///@{ + +public: + + void DrawText( const Point& rStartPt, const OUString& rStr, + sal_Int32 nIndex = 0, sal_Int32 nLen = -1, + std::vector< tools::Rectangle >* pVector = nullptr, OUString* pDisplayText = nullptr, + const SalLayoutGlyphs* pLayoutCache = nullptr ); + + void DrawText( const tools::Rectangle& rRect, + const OUString& rStr, DrawTextFlags nStyle = DrawTextFlags::NONE, + std::vector< tools::Rectangle >* pVector = nullptr, OUString* pDisplayText = nullptr, + vcl::ITextLayout* _pTextLayout = nullptr ); + + static void ImplDrawText( OutputDevice& rTargetDevice, const tools::Rectangle& rRect, + const OUString& rOrigStr, DrawTextFlags nStyle, + std::vector< tools::Rectangle >* pVector, OUString* pDisplayText, vcl::ITextLayout& _rLayout ); + + void ImplDrawText( SalLayout& ); + + void ImplDrawTextBackground( const SalLayout& ); + + void DrawCtrlText( const Point& rPos, const OUString& rStr, + sal_Int32 nIndex = 0, sal_Int32 nLen = -1, + DrawTextFlags nStyle = DrawTextFlags::Mnemonic, std::vector< tools::Rectangle >* pVector = nullptr, OUString* pDisplayText = nullptr, + const SalLayoutGlyphs* pGlyphs = nullptr); + + void DrawTextLine( const Point& rPos, tools::Long nWidth, + FontStrikeout eStrikeout, + FontLineStyle eUnderline, + FontLineStyle eOverline, + bool bUnderlineAbove = false ); + + void ImplDrawTextLine( tools::Long nBaseX, tools::Long nX, tools::Long nY, DeviceCoordinate nWidth, + FontStrikeout eStrikeout, FontLineStyle eUnderline, + FontLineStyle eOverline, bool bUnderlineAbove ); + + void ImplDrawTextLines( SalLayout&, FontStrikeout eStrikeout, FontLineStyle eUnderline, + FontLineStyle eOverline, bool bWordLine, bool bUnderlineAbove ); + + void DrawWaveLine( const Point& rStartPos, const Point& rEndPos, tools::Long nLineWidth = 1, tools::Long nWaveHeight = 3); + + bool ImplDrawRotateText( SalLayout& ); + + tools::Rectangle GetTextRect( const tools::Rectangle& rRect, + const OUString& rStr, DrawTextFlags nStyle = DrawTextFlags::WordBreak, + TextRectInfo* pInfo = nullptr, + const vcl::ITextLayout* _pTextLayout = nullptr ) const; + + /** Return the exact bounding rectangle of rStr. + + The text is then drawn exactly from rRect.TopLeft() to + rRect.BottomRight(), don't assume that rRect.TopLeft() is [0, 0]. + + Please note that you don't always want to use GetTextBoundRect(); in + many cases you actually want to use GetTextHeight(), because + GetTextBoundRect() gives you the exact bounding rectangle regardless + what is the baseline of the text. + + Code snippet to get just exactly the text (no filling around that) as + a bitmap via a VirtualDevice (regardless what is the baseline): + + <code> + VirtualDevice aDevice; + vcl::Font aFont = aDevice.GetFont(); + aFont.SetSize(Size(0, 96)); + aFont.SetColor(COL_BLACK); + aDevice.SetFont(aFont); + aDevice.Erase(); + + tools::Rectangle aRect; + aDevice.GetTextBoundRect(aRect, aText); + aDevice.SetOutputSize(Size(aRect.Right() + 1, aRect.Bottom() + 1)); + aDevice.SetBackground(Wallpaper(COL_TRANSPARENT)); + aDevice.DrawText(Point(0,0), aText); + + // exactly only the text, regardless of the baseline + Bitmap aBitmap(aDevice.GetBitmap(aRect.TopLeft(), aRect.GetSize())); + </code> + + Code snippet to get the text as a bitmap via a Virtual device that + contains even the filling so that the baseline is always preserved + (ie. the text will not jump up and down according to whether it + contains 'y' or not etc.) + + <code> + VirtualDevice aDevice; + // + the appropriate font / device setup, see above + + aDevice.SetOutputSize(Size(aDevice.GetTextWidth(aText), aDevice.GetTextHeight())); + aDevice.SetBackground(Wallpaper(COL_TRANSPARENT)); + aDevice.DrawText(Point(0,0), aText); + + // bitmap that contains even the space around the text, + // that means, preserves the baseline etc. + Bitmap aBitmap(aDevice.GetBitmap(Point(0, 0), aDevice.GetOutputSize())); + </code> + */ + bool GetTextBoundRect( tools::Rectangle& rRect, + const OUString& rStr, sal_Int32 nBase = 0, sal_Int32 nIndex = 0, sal_Int32 nLen = -1, + sal_uLong nLayoutWidth = 0, o3tl::span<const sal_Int32> pDXArray = {}, + const SalLayoutGlyphs* pGlyphs = nullptr ) const; + + tools::Rectangle ImplGetTextBoundRect( const SalLayout& ) const; + + bool GetTextOutline( tools::PolyPolygon&, + const OUString& rStr ) const; + + bool GetTextOutlines( PolyPolyVector&, + const OUString& rStr, sal_Int32 nBase = 0, sal_Int32 nIndex = 0, + sal_Int32 nLen = -1, + sal_uLong nLayoutWidth = 0, o3tl::span<const sal_Int32> pDXArray = {} ) const; + + bool GetTextOutlines( basegfx::B2DPolyPolygonVector &rVector, + const OUString& rStr, sal_Int32 nBase, sal_Int32 nIndex = 0, + sal_Int32 nLen = -1, + sal_uLong nLayoutWidth = 0, o3tl::span<const sal_Int32> pDXArray = {} ) const; + + + OUString GetEllipsisString( const OUString& rStr, tools::Long nMaxWidth, + DrawTextFlags nStyle = DrawTextFlags::EndEllipsis ) const; + + tools::Long GetCtrlTextWidth( const OUString& rStr, + const SalLayoutGlyphs* pLayoutCache = nullptr ) const; + + static OUString GetNonMnemonicString( const OUString& rStr, sal_Int32& rMnemonicPos ); + + static OUString GetNonMnemonicString( const OUString& rStr ) + { sal_Int32 nDummy; return GetNonMnemonicString( rStr, nDummy ); } + + /** Generate MetaTextActions for the text rect + + This method splits up the text rect into multiple + MetaTextActions, one for each line of text. This is comparable + to AddGradientActions(), which splits up a gradient into its + constituent polygons. Parameter semantics fully compatible to + DrawText(). + */ + void AddTextRectActions( const tools::Rectangle& rRect, + const OUString& rOrigStr, + DrawTextFlags nStyle, + GDIMetaFile& rMtf ); + + void SetTextColor( const Color& rColor ); + virtual void SetSystemTextColor(SystemTextColorFlags nFlags, bool bEnabled); + const Color& GetTextColor() const { return maTextColor; } + + void SetTextFillColor(); + void SetTextFillColor( const Color& rColor ); + Color GetTextFillColor() const; + bool IsTextFillColor() const { return !maFont.IsTransparent(); } + + void SetTextLineColor(); + void SetTextLineColor( const Color& rColor ); + const Color& GetTextLineColor() const { return maTextLineColor; } + bool IsTextLineColor() const { return !maTextLineColor.IsTransparent(); } + + void SetOverlineColor(); + void SetOverlineColor( const Color& rColor ); + const Color& GetOverlineColor() const { return maOverlineColor; } + bool IsOverlineColor() const { return !maOverlineColor.IsTransparent(); } + + void SetTextAlign( TextAlign eAlign ); + TextAlign GetTextAlign() const { return maFont.GetAlignment(); } + + /** Width of the text. + + See also GetTextBoundRect() for more explanation + code examples. + */ + tools::Long GetTextWidth( const OUString& rStr, sal_Int32 nIndex = 0, sal_Int32 nLen = -1, + vcl::text::TextLayoutCache const* = nullptr, + SalLayoutGlyphs const*const pLayoutCache = nullptr) const; + + /** Height where any character of the current font fits; in logic coordinates. + + See also GetTextBoundRect() for more explanation + code examples. + */ + tools::Long GetTextHeight() const; + float approximate_digit_width() const; + + void DrawTextArray( const Point& rStartPt, const OUString& rStr, + o3tl::span<const sal_Int32> pDXAry, + sal_Int32 nIndex = 0, + sal_Int32 nLen = -1, + SalLayoutFlags flags = SalLayoutFlags::NONE, + const SalLayoutGlyphs* pLayoutCache = nullptr); + tools::Long GetTextArray( const OUString& rStr, std::vector<sal_Int32>* pDXAry, + sal_Int32 nIndex = 0, sal_Int32 nLen = -1, + vcl::text::TextLayoutCache const* = nullptr, + SalLayoutGlyphs const*const pLayoutCache = nullptr) const; + + void GetCaretPositions( const OUString&, sal_Int32* pCaretXArray, + sal_Int32 nIndex, sal_Int32 nLen, + const SalLayoutGlyphs* pGlyphs = nullptr ) const; + void DrawStretchText( const Point& rStartPt, sal_uLong nWidth, + const OUString& rStr, + sal_Int32 nIndex = 0, sal_Int32 nLen = -1); + sal_Int32 GetTextBreak( const OUString& rStr, tools::Long nTextWidth, + sal_Int32 nIndex, sal_Int32 nLen = -1, + tools::Long nCharExtra = 0, + vcl::text::TextLayoutCache const* = nullptr, + const SalLayoutGlyphs* pGlyphs = nullptr) const; + sal_Int32 GetTextBreak( const OUString& rStr, tools::Long nTextWidth, + sal_Unicode nExtraChar, sal_Int32& rExtraCharPos, + sal_Int32 nIndex, sal_Int32 nLen, + tools::Long nCharExtra, + vcl::text::TextLayoutCache const* = nullptr, + const SalLayoutGlyphs* pGlyphs = nullptr) const; + static std::shared_ptr<const vcl::text::TextLayoutCache> CreateTextLayoutCache(OUString const&); + + SAL_DLLPRIVATE SalLayoutFlags GetBiDiLayoutFlags( std::u16string_view rStr, + const sal_Int32 nMinIndex, + const sal_Int32 nEndIndex ) const; + +protected: + SAL_DLLPRIVATE void ImplInitTextLineSize(); + SAL_DLLPRIVATE void ImplInitAboveTextLineSize(); + static + SAL_DLLPRIVATE tools::Long ImplGetTextLines( const tools::Rectangle& rRect, tools::Long nTextHeight, ImplMultiTextLineInfo& rLineInfo, tools::Long nWidth, const OUString& rStr, DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout ); + static + SAL_DLLPRIVATE sal_Int32 ImplBreakLinesWithIterator(const tools::Long nWidth, const OUString& rStr, const vcl::ITextLayout& _rLayout, + const css::uno::Reference<css::linguistic2::XHyphenator>& xHyph, + const css::uno::Reference<css::i18n::XBreakIterator>& xBI, + const bool bHyphenate, + const sal_Int32 nPos, sal_Int32 nBreakPos); + static + SAL_DLLPRIVATE sal_Int32 ImplBreakLinesSimple( const tools::Long nWidth, const OUString& rStr, + const vcl::ITextLayout& _rLayout, const sal_Int32 nPos, sal_Int32 nBreakPos, tools::Long& nLineWidth ); + SAL_DLLPRIVATE float approximate_char_width() const; + + virtual bool shouldDrawWavePixelAsRect(tools::Long nLineWidth) const; + virtual void SetWaveLineColors(Color const& rColor, tools::Long nLineWidth); + virtual Size GetWaveLineSize(tools::Long nLineWidth) const; + +private: + SAL_DLLPRIVATE void ImplInitTextColor(); + + SAL_DLLPRIVATE void ImplDrawTextDirect( SalLayout&, bool bTextLines); + SAL_DLLPRIVATE void ImplDrawSpecialText( SalLayout& ); + SAL_DLLPRIVATE void ImplDrawTextRect( tools::Long nBaseX, tools::Long nBaseY, tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ); + + SAL_DLLPRIVATE void ImplDrawWavePixel( tools::Long nOriginX, tools::Long nOriginY, tools::Long nCurX, tools::Long nCurY, tools::Long nWidth, Degree10 nOrientation, SalGraphics* pGraphics, const OutputDevice& rOutDev, tools::Long nPixWidth, tools::Long nPixHeight ); + + SAL_DLLPRIVATE void ImplDrawWaveLine( tools::Long nBaseX, tools::Long nBaseY, tools::Long nStartX, tools::Long nStartY, tools::Long nWidth, tools::Long nHeight, tools::Long nLineWidth, Degree10 nOrientation, const Color& rColor ); + SAL_DLLPRIVATE void ImplDrawWaveTextLine( tools::Long nBaseX, tools::Long nBaseY, tools::Long nX, tools::Long nY, tools::Long nWidth, FontLineStyle eTextLine, Color aColor, bool bIsAbove ); + SAL_DLLPRIVATE void ImplDrawStraightTextLine( tools::Long nBaseX, tools::Long nBaseY, tools::Long nX, tools::Long nY, tools::Long nWidth, FontLineStyle eTextLine, Color aColor, bool bIsAbove ); + SAL_DLLPRIVATE void ImplDrawStrikeoutLine( tools::Long nBaseX, tools::Long nBaseY, tools::Long nX, tools::Long nY, tools::Long nWidth, FontStrikeout eStrikeout, Color aColor ); + SAL_DLLPRIVATE void ImplDrawStrikeoutChar( tools::Long nBaseX, tools::Long nBaseY, tools::Long nX, tools::Long nY, tools::Long nWidth, FontStrikeout eStrikeout, Color aColor ); + SAL_DLLPRIVATE void ImplDrawMnemonicLine( tools::Long nX, tools::Long nY, tools::Long nWidth ); + + SAL_DLLPRIVATE bool AttemptOLEFontScaleFix(vcl::Font& rFont, tools::Long nHeight) const; + + ///@} + + + /** @name Font functions + */ + ///@{ + +public: + + FontMetric GetFontMetricFromCollection( int nDevFontIndex ) const; + int GetFontFaceCollectionCount() const; + + bool IsFontAvailable( std::u16string_view rFontName ) const; + + bool AddTempDevFont( const OUString& rFileURL, const OUString& rFontName ); + void RefreshFontData( const bool bNewFontLists ); + + FontMetric GetFontMetric() const; + FontMetric GetFontMetric( const vcl::Font& rFont ) const; + + bool GetFontCharMap( FontCharMapRef& rxFontCharMap ) const; + bool GetFontCapabilities( vcl::FontCapabilities& rFontCapabilities ) const; + + bool GetFontFeatures(std::vector<vcl::font::Feature>& rFontFeatures) const; + + SAL_DLLPRIVATE void ImplGetEmphasisMark( tools::PolyPolygon& rPolyPoly, bool& rPolyLine, tools::Rectangle& rRect1, tools::Rectangle& rRect2, + tools::Long& rYOff, tools::Long& rWidth, FontEmphasisMark eEmphasis, tools::Long nHeight ); + SAL_DLLPRIVATE static FontEmphasisMark + ImplGetEmphasisMarkStyle( const vcl::Font& rFont ); + + bool GetGlyphBoundRects( const Point& rOrigin, const OUString& rStr, int nIndex, + int nLen, std::vector< tools::Rectangle >& rVector ) const; + + sal_Int32 HasGlyphs( const vcl::Font& rFont, const OUString& rStr, + sal_Int32 nIndex = 0, sal_Int32 nLen = -1 ) const; + + tools::Long GetMinKashida() const; + + // i60594 + // validate kashida positions against the current font + // returns count of invalid kashida positions + sal_Int32 ValidateKashidas( const OUString& rTxt, sal_Int32 nIdx, sal_Int32 nLen, + sal_Int32 nKashCount, // number of suggested kashida positions (in) + const sal_Int32* pKashidaPos, // suggested kashida positions (in) + sal_Int32* pKashidaPosDropped // invalid kashida positions (out) + ) const; + + static void BeginFontSubstitution(); + static void EndFontSubstitution(); + static void AddFontSubstitute( const OUString& rFontName, + const OUString& rReplaceFontName, + AddFontSubstituteFlags nFlags ); + static void RemoveFontsSubstitute(); + + static vcl::Font GetDefaultFont( DefaultFontType nType, + LanguageType eLang, + GetDefaultFontFlags nFlags, + const OutputDevice* pOutDev = nullptr ); + + SAL_DLLPRIVATE void ImplInitFontList() const; + SAL_DLLPRIVATE void ImplUpdateFontData(); + + //drop font data for all outputdevices. + //If bNewFontLists is true then empty lists of system fonts + static void ImplClearAllFontData( bool bNewFontLists ); + //fetch font data for all outputdevices + //If bNewFontLists is true then fetch lists of system fonts + static void ImplRefreshAllFontData( bool bNewFontLists ); + //drop and fetch font data for all outputdevices + //If bNewFontLists is true then drop and refetch lists of system fonts + SAL_DLLPRIVATE static void ImplUpdateAllFontData( bool bNewFontLists ); + + SAL_DLLPRIVATE const LogicalFontInstance* GetFontInstance() const; + +protected: + SAL_DLLPRIVATE tools::Long GetEmphasisAscent() const { return mnEmphasisAscent; } + SAL_DLLPRIVATE tools::Long GetEmphasisDescent() const { return mnEmphasisDescent; } + + SAL_DLLPRIVATE bool InitFont() const; + virtual void SetFontOrientation( LogicalFontInstance* const pFontInstance ) const; + virtual tools::Long GetFontExtLeading() const; + + virtual void ImplClearFontData(bool bNewFontLists); + virtual void ImplRefreshFontData(bool bNewFontLists); + void ReleaseFontCache(); + void ReleaseFontCollection(); + void SetFontCollectionFromSVData(); + void ResetNewFontCache(); + + virtual bool ImplNewFont() const; + +private: + + typedef void ( OutputDevice::* FontUpdateHandler_t )( bool ); + + SAL_DLLPRIVATE static void ImplUpdateFontDataForAllFrames( FontUpdateHandler_t pHdl, bool bNewFontLists ); + + static + SAL_DLLPRIVATE OUString ImplGetEllipsisString( const OutputDevice& rTargetDevice, const OUString& rStr, + tools::Long nMaxWidth, DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout ); + + SAL_DLLPRIVATE void ImplDrawEmphasisMark( tools::Long nBaseX, tools::Long nX, tools::Long nY, const tools::PolyPolygon& rPolyPoly, bool bPolyLine, const tools::Rectangle& rRect1, const tools::Rectangle& rRect2 ); + SAL_DLLPRIVATE void ImplDrawEmphasisMarks( SalLayout& ); + ///@} + + + /** @name Layout functions + */ + ///@{ + +public: + + // tells whether this output device is RTL in an LTR UI or LTR in a RTL UI + SAL_DLLPRIVATE bool ImplIsAntiparallel() const ; + SAL_DLLPRIVATE void ReMirror( Point &rPoint ) const; + SAL_DLLPRIVATE void ReMirror( tools::Rectangle &rRect ) const; + SAL_DLLPRIVATE void ReMirror( vcl::Region &rRegion ) const; + SAL_DLLPRIVATE bool ImplIsRecordLayout() const; + virtual bool HasMirroredGraphics() const; + std::unique_ptr<SalLayout> + ImplLayout( const OUString&, sal_Int32 nIndex, sal_Int32 nLen, + const Point& rLogicPos = Point(0,0), tools::Long nLogicWidth=0, + o3tl::span<const sal_Int32> pLogicDXArray={}, SalLayoutFlags flags = SalLayoutFlags::NONE, + vcl::text::TextLayoutCache const* = nullptr, + const SalLayoutGlyphs* pGlyphs = nullptr) const; + + SAL_DLLPRIVATE vcl::text::ImplLayoutArgs ImplPrepareLayoutArgs( OUString&, const sal_Int32 nIndex, const sal_Int32 nLen, + DeviceCoordinate nPixelWidth, + SalLayoutFlags flags = SalLayoutFlags::NONE, + vcl::text::TextLayoutCache const* = nullptr) const; + SAL_DLLPRIVATE std::unique_ptr<SalLayout> + ImplGlyphFallbackLayout( std::unique_ptr<SalLayout>, + vcl::text::ImplLayoutArgs&, + const SalLayoutGlyphs* ) const; + SAL_DLLPRIVATE std::unique_ptr<SalLayout> + getFallbackLayout( + LogicalFontInstance* pLogicalFont, int nFallbackLevel, + vcl::text::ImplLayoutArgs& rLayoutArgs, const SalLayoutGlyphs* ) const; + + /* + These functions allow collecting information on how fonts are mapped when used, such as what + replacements are used when a requested font is missing or which fonts are used as fallbacks + when a font doesn't provide all necessary glyphs. + After StartTrackingFontMappingUse() is called, VCL starts collecting font usage for all + text layout calls, FinishTrackingFontMappingUse() will stop collecting and providing + the collected information. + Each item is a mapping from a requested font to a list of actually used fonts and the number + of times this mapping was done. + */ + struct FontMappingUseItem + { + OUString mOriginalFont; + std::vector<OUString> mUsedFonts; + int mCount; + }; + typedef std::vector<FontMappingUseItem> FontMappingUseData; + static void StartTrackingFontMappingUse(); + static FontMappingUseData FinishTrackingFontMappingUse(); + + // Enabling/disabling RTL only makes sense for OutputDevices that use a mirroring SalGraphicsLayout + virtual void EnableRTL( bool bEnable = true); + bool IsRTLEnabled() const { return mbEnableRTL; } + + bool GetTextIsRTL( const OUString&, sal_Int32 nIndex, sal_Int32 nLen ) const; + + ///@} + + + /** @name Bitmap functions + */ + ///@{ + +public: + void DrawBitmap( + const Point& rDestPt, + const Bitmap& rBitmap ); + + void DrawBitmap( + const Point& rDestPt, + const Size& rDestSize, + const Bitmap& rBitmap ); + + void DrawBitmap( + const Point& rDestPt, + const Size& rDestSize, + const Point& rSrcPtPixel, + const Size& rSrcSizePixel, + const Bitmap& rBitmap); + + void DrawBitmap( + const Point& rDestPt, + const Size& rDestSize, + const Point& rSrcPtPixel, + const Size& rSrcSizePixel, + const Bitmap& rBitmap, + MetaActionType nAction ); + + void DrawBitmapEx( + const Point& rDestPt, + const BitmapEx& rBitmapEx ); + + + void DrawBitmapEx( + const Point& rDestPt, + const Size& rDestSize, + const BitmapEx& rBitmapEx ); + + void DrawBitmapEx( + const Point& rDestPt, + const Size& rDestSize, + const Point& rSrcPtPixel, + const Size& rSrcSizePixel, + const BitmapEx& rBitmapEx); + + void DrawBitmapEx( + const Point& rDestPt, + const Size& rDestSize, + const Point& rSrcPtPixel, + const Size& rSrcSizePixel, + const BitmapEx& rBitmapEx, + MetaActionType nAction ); + + /** @overload + virtual void DrawImage( + const Point& rPos, + const Size& rSize, + const Image& rImage, + sal_uInt16 nStyle = 0) + */ + void DrawImage( + const Point& rPos, + const Image& rImage, + DrawImageFlags nStyle = DrawImageFlags::NONE ); + + void DrawImage( + const Point& rPos, + const Size& rSize, + const Image& rImage, + DrawImageFlags nStyle = DrawImageFlags::NONE ); + + + virtual Bitmap GetBitmap( const Point& rSrcPt, const Size& rSize ) const; + + /** Query extended bitmap (with alpha channel, if available). + */ + BitmapEx GetBitmapEx( const Point& rSrcPt, const Size& rSize ) const; + + + /** Draw BitmapEx transformed + + @param rTransformation + The transformation describing the target positioning of the given bitmap. Transforming + the unit object coordinates (0, 0, 1, 1) with this matrix is the transformation to + discrete coordinates + + @param rBitmapEx + The BitmapEx to be painted + + @param fAlpha + Optional additional alpha to use for drawing (0 to 1, 1 being no change). + */ + void DrawTransformedBitmapEx( + const basegfx::B2DHomMatrix& rTransformation, + const BitmapEx& rBitmapEx, + double fAlpha = 1.0); + + /** Return true if DrawTransformedBitmapEx() is fast. + + @since 7.2 + */ + bool HasFastDrawTransformedBitmap() const; + +protected: + + virtual void DrawDeviceBitmapEx( + const Point& rDestPt, const Size& rDestSize, + const Point& rSrcPtPixel, const Size& rSrcSizePixel, + BitmapEx& rBitmapEx ); + + virtual bool CanSubsampleBitmap() const { return true; } + + /** Transform and draw a bitmap directly + + @param aFullTransform The B2DHomMatrix used for the transformation + @param rBitmapEx Reference to the bitmap to be transformed and drawn + + @return true if it was able to draw the bitmap, false if not + */ + virtual bool DrawTransformBitmapExDirect( + const basegfx::B2DHomMatrix& aFullTransform, + const BitmapEx& rBitmapEx, + double fAlpha = 1.0); + + /** Transform and reduce the area that needs to be drawn of the bitmap and return the new + visible range and the maximum area. + + + @param aFullTransform B2DHomMatrix used for transformation + @param aVisibleRange The new visible area of the bitmap + @param fMaximumArea The maximum area of the bitmap + + @returns true if there is an area to be drawn, otherwise nothing is left to be drawn + so return false + */ + virtual bool TransformAndReduceBitmapExToTargetRange( + const basegfx::B2DHomMatrix& aFullTransform, + basegfx::B2DRange &aVisibleRange, + double &fMaximumArea); + +private: + + SAL_DLLPRIVATE void DrawDeviceAlphaBitmap( + const Bitmap& rBmp, + const AlphaMask& rAlpha, + const Point& rDestPt, + const Size& rDestSize, + const Point& rSrcPtPixel, + const Size& rSrcSizePixel ); + + SAL_DLLPRIVATE void DrawDeviceAlphaBitmapSlowPath( + const Bitmap& rBitmap, const AlphaMask& rAlpha, + tools::Rectangle aDstRect, tools::Rectangle aBmpRect, + Size const & aOutSz, Point const & aOutPt); + + + SAL_DLLPRIVATE void BlendBitmap( + const SalTwoRect& rPosAry, + const Bitmap& rBmp ); + + SAL_DLLPRIVATE Bitmap BlendBitmap( + Bitmap& aBmp, + BitmapReadAccess const * pP, + BitmapReadAccess const * pA, + const sal_Int32 nOffY, + const sal_Int32 nDstHeight, + const sal_Int32 nOffX, + const sal_Int32 nDstWidth, + const tools::Rectangle& aBmpRect, + const Size& aOutSz, + const bool bHMirr, + const bool bVMirr, + const sal_Int32* pMapX, + const sal_Int32* pMapY ); + + SAL_DLLPRIVATE Bitmap BlendBitmapWithAlpha( + Bitmap& aBmp, + BitmapReadAccess const * pP, + BitmapReadAccess const * pA, + const tools::Rectangle& aDstRect, + const sal_Int32 nOffY, + const sal_Int32 nDstHeight, + const sal_Int32 nOffX, + const sal_Int32 nDstWidth, + const sal_Int32* pMapX, + const sal_Int32* pMapY ); + + ///@} + + + /** @name Transparency functions + */ + ///@{ + +public: + + /** helper method removing transparencies from a metafile (e.g. for printing) + + @returns + true: transparencies were removed + false: output metafile is unchanged input metafile + + @attention this is a member method, so current state can influence the result ! + @attention the output metafile is prepared in pixel mode for the currentOutputDevice + state. It can not be moved or rotated reliably anymore. + */ + bool RemoveTransparenciesFromMetaFile( + const GDIMetaFile& rInMtf, GDIMetaFile& rOutMtf, + tools::Long nMaxBmpDPIX, tools::Long nMaxBmpDPIY, + bool bReduceTransparency, + bool bTransparencyAutoMode, + bool bDownsampleBitmaps, + const Color& rBackground = COL_TRANSPARENT ); + + void DrawTransparent( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent ); + + void DrawTransparent( + const basegfx::B2DHomMatrix& rObjectTransform, + const basegfx::B2DPolyPolygon& rB2DPolyPoly, + double fTransparency); + + void DrawTransparent( + const GDIMetaFile& rMtf, const Point& rPos, const Size& rSize, + const Gradient& rTransparenceGradient ); + +protected: + + virtual void EmulateDrawTransparent( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent ); + + virtual void ClipAndDrawGradientMetafile ( const Gradient &rGradient, const tools::PolyPolygon &rPolyPoly ); + +private: + + SAL_DLLPRIVATE bool DrawTransparentNatively( const tools::PolyPolygon& rPolyPoly, sal_uInt16 nTransparencePercent ); + ///@} + + + /** @name Mask functions + */ + ///@{ + +public: + + void DrawMask( const Point& rDestPt, + const Bitmap& rBitmap, const Color& rMaskColor ); + + void DrawMask( const Point& rDestPt, const Size& rDestSize, + const Bitmap& rBitmap, const Color& rMaskColor ); + + void DrawMask( const Point& rDestPt, const Size& rDestSize, + const Point& rSrcPtPixel, const Size& rSrcSizePixel, + const Bitmap& rBitmap, const Color& rMaskColor); + + void DrawMask( const Point& rDestPt, const Size& rDestSize, + const Point& rSrcPtPixel, const Size& rSrcSizePixel, + const Bitmap& rBitmap, const Color& rMaskColor, + MetaActionType nAction ); + +protected: + + virtual void DrawDeviceMask ( + const Bitmap& rMask, const Color& rMaskColor, + const Point& rDestPt, const Size& rDestSize, + const Point& rSrcPtPixel, const Size& rSrcSizePixel ); + ///@} + + + /** @name Map functions + */ + ///@{ + +public: + + void EnableMapMode( bool bEnable = true ); + bool IsMapModeEnabled() const { return mbMap; } + + void SetMapMode(); + void SetMapMode( const MapMode& rNewMapMode ); + void SetRelativeMapMode( const MapMode& rNewMapMode ); + virtual void SetMetafileMapMode(const MapMode& rNewMapMode, bool bIsRecord); + const MapMode& GetMapMode() const { return maMapMode; } + +protected: + virtual void ImplInitMapModeObjects(); + +public: + // #i75163# + basegfx::B2DHomMatrix GetViewTransformation() const; + basegfx::B2DHomMatrix GetInverseViewTransformation() const; + + basegfx::B2DHomMatrix GetViewTransformation( const MapMode& rMapMode ) const; + basegfx::B2DHomMatrix GetInverseViewTransformation( const MapMode& rMapMode ) const; + + + /** Set an offset in pixel + + This method offsets every drawing operation that converts its + coordinates to pixel by the given value. Normally, the effect + can be achieved by setting a MapMode with a different + origin. Unfortunately, this origin is in logical coordinates + and can lead to rounding errors (see #102532# for details). + + @attention This offset is only applied when converting to + pixel, i.e. some output modes such as metafile recordings + might be completely unaffected by this method! Use with + care. Furthermore, if the OutputDevice's MapMode is the + default (that's MapUnit::MapPixel), then any pixel offset set is + ignored also. This might be unintuitive for cases, but would + have been far more fragile to implement. What's more, the + reason why the pixel offset was introduced (avoiding rounding + errors) does not apply for MapUnit::MapPixel, because one can always + use the MapMode origin then. + + @param rOffset + The offset in pixel + */ + void SetPixelOffset( const Size& rOffset ); + + /** Get the offset in pixel + + @see OutputDevice::SetPixelOffset for details + + @return the current offset in pixel + */ + SAL_WARN_UNUSED_RESULT Size GetPixelOffset() const { return Size(mnOutOffOrigX, mnOutOffOrigY);} + + SAL_WARN_UNUSED_RESULT Point LogicToPixel(const Point& rLogicPt) const; + SAL_WARN_UNUSED_RESULT Size LogicToPixel(const Size& rLogicSize) const; + SAL_WARN_UNUSED_RESULT tools::Rectangle LogicToPixel(const tools::Rectangle& rLogicRect) const; + SAL_WARN_UNUSED_RESULT tools::Polygon LogicToPixel(const tools::Polygon& rLogicPoly) const; + SAL_WARN_UNUSED_RESULT tools::PolyPolygon LogicToPixel(const tools::PolyPolygon& rLogicPolyPoly) const; + SAL_WARN_UNUSED_RESULT basegfx::B2DPolyPolygon LogicToPixel(const basegfx::B2DPolyPolygon& rLogicPolyPoly) const; + SAL_WARN_UNUSED_RESULT vcl::Region LogicToPixel(const vcl::Region& rLogicRegion)const; + SAL_WARN_UNUSED_RESULT Point LogicToPixel(const Point& rLogicPt, const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT Size LogicToPixel(const Size& rLogicSize, const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT tools::Rectangle LogicToPixel(const tools::Rectangle& rLogicRect, + const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT tools::Polygon LogicToPixel(const tools::Polygon& rLogicPoly, + const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT basegfx::B2DPolyPolygon LogicToPixel(const basegfx::B2DPolyPolygon& rLogicPolyPoly, + const MapMode& rMapMode) const; + + SAL_WARN_UNUSED_RESULT Point PixelToLogic(const Point& rDevicePt) const; + SAL_WARN_UNUSED_RESULT Size PixelToLogic(const Size& rDeviceSize) const; + SAL_WARN_UNUSED_RESULT tools::Rectangle PixelToLogic(const tools::Rectangle& rDeviceRect) const; + SAL_WARN_UNUSED_RESULT tools::Polygon PixelToLogic(const tools::Polygon& rDevicePoly) const; + SAL_WARN_UNUSED_RESULT tools::PolyPolygon PixelToLogic(const tools::PolyPolygon& rDevicePolyPoly) const; + SAL_WARN_UNUSED_RESULT basegfx::B2DPolyPolygon PixelToLogic(const basegfx::B2DPolyPolygon& rDevicePolyPoly) const; + SAL_WARN_UNUSED_RESULT vcl::Region PixelToLogic(const vcl::Region& rDeviceRegion) const; + SAL_WARN_UNUSED_RESULT Point PixelToLogic(const Point& rDevicePt, const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT Size PixelToLogic(const Size& rDeviceSize, const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT tools::Rectangle PixelToLogic(const tools::Rectangle& rDeviceRect, + const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT tools::Polygon PixelToLogic(const tools::Polygon& rDevicePoly, + const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT basegfx::B2DPolygon PixelToLogic(const basegfx::B2DPolygon& rDevicePoly, + const MapMode& rMapMode) const; + SAL_WARN_UNUSED_RESULT basegfx::B2DPolyPolygon PixelToLogic(const basegfx::B2DPolyPolygon& rDevicePolyPoly, + const MapMode& rMapMode) const; + + SAL_WARN_UNUSED_RESULT Point LogicToLogic(const Point& rPtSource, + const MapMode* pMapModeSource, + const MapMode* pMapModeDest) const; + SAL_WARN_UNUSED_RESULT Size LogicToLogic(const Size& rSzSource, + const MapMode* pMapModeSource, + const MapMode* pMapModeDest) const; + SAL_WARN_UNUSED_RESULT tools::Rectangle LogicToLogic(const tools::Rectangle& rRectSource, + const MapMode* pMapModeSource, + const MapMode* pMapModeDest) const; + SAL_WARN_UNUSED_RESULT static Point LogicToLogic(const Point& rPtSource, + const MapMode& rMapModeSource, + const MapMode& rMapModeDest); + SAL_WARN_UNUSED_RESULT static Size LogicToLogic(const Size& rSzSource, + const MapMode& rMapModeSource, + const MapMode& rMapModeDest); + SAL_WARN_UNUSED_RESULT static tools::Rectangle LogicToLogic(const tools::Rectangle& rRectSource, + const MapMode& rMapModeSource, + const MapMode& rMapModeDest); + SAL_WARN_UNUSED_RESULT static tools::Long LogicToLogic(tools::Long nLongSource, + MapUnit eUnitSource, + MapUnit eUnitDest); + + SAL_WARN_UNUSED_RESULT static basegfx::B2DPolygon LogicToLogic(const basegfx::B2DPolygon& rPoly, + const MapMode& rMapModeSource, + const MapMode& rMapModeDest); + + // create a mapping transformation from rMapModeSource to rMapModeDest (the above methods + // for B2DPoly/Polygons use this internally anyway to transform the B2DPolygon) + SAL_WARN_UNUSED_RESULT static basegfx::B2DHomMatrix LogicToLogic(const MapMode& rMapModeSource, + const MapMode& rMapModeDest); + + /** Convert a logical rectangle to a rectangle in physical device pixel units. + + @param rLogicRect Const reference to a rectangle in logical units + + @returns Rectangle based on physical device pixel coordinates and units. + */ + SAL_DLLPRIVATE tools::Rectangle ImplLogicToDevicePixel( const tools::Rectangle& rLogicRect ) const; + + /** Convert a logical point to a physical point on the device. + + @param rLogicPt Const reference to a point in logical units. + + @returns Physical point on the device. + */ + SAL_DLLPRIVATE Point ImplLogicToDevicePixel( const Point& rLogicPt ) const; + SAL_DLLPRIVATE DevicePoint ImplLogicToDeviceFontCoordinate(const Point& rLogicPt) const; + + /** Convert a logical width to a width in units of device pixels. + + To get the number of device pixels, it must calculate the X-DPI of the device and + the map scaling factor. If there is no mapping, then it just returns the + width as nothing more needs to be done. + + @param nWidth Logical width + + @returns Width in units of device pixels. + */ + SAL_DLLPRIVATE tools::Long ImplLogicWidthToDevicePixel( tools::Long nWidth ) const; + SAL_DLLPRIVATE double ImplLogicWidthToDeviceFontWidth(tools::Long nWidth) const; + + SAL_DLLPRIVATE DeviceCoordinate LogicWidthToDeviceCoordinate( tools::Long nWidth ) const; + + /** Convert a logical X coordinate to a device pixel's X coordinate. + + To get the device's X coordinate, it must calculate the mapping offset + coordinate X position (if there is one - if not then it just adds + the pseudo-window offset to the logical X coordinate), the X-DPI of + the device and the mapping's X scaling factor. + + @param nX Logical X coordinate + + @returns Device's X pixel coordinate + */ + SAL_DLLPRIVATE tools::Long ImplLogicXToDevicePixel( tools::Long nX ) const; + + /** Convert a logical Y coordinate to a device pixel's Y coordinate. + + To get the device's Y coordinate, it must calculate the mapping offset + coordinate Y position (if there is one - if not then it just adds + the pseudo-window offset to the logical Y coordinate), the Y-DPI of + the device and the mapping's Y scaling factor. + + @param nY Logical Y coordinate + + @returns Device's Y pixel coordinate + */ + SAL_DLLPRIVATE tools::Long ImplLogicYToDevicePixel( tools::Long nY ) const; + + /** Convert a logical height to a height in units of device pixels. + + To get the number of device pixels, it must calculate the Y-DPI of the device and + the map scaling factor. If there is no mapping, then it just returns the + height as nothing more needs to be done. + + @param nHeight Logical height + + @returns Height in units of device pixels. + */ + SAL_DLLPRIVATE tools::Long ImplLogicHeightToDevicePixel( tools::Long nHeight ) const; + + /** Convert device pixels to a width in logical units. + + To get the logical width, it must calculate the X-DPI of the device and the + map scaling factor. + + @param nWidth Width in device pixels + + @returns Width in logical units. + */ + SAL_DLLPRIVATE tools::Long ImplDevicePixelToLogicWidth( tools::Long nWidth ) const; + + /** Convert device pixels to a height in logical units. + + To get the logical height, it must calculate the Y-DPI of the device and the + map scaling factor. + + @param nHeight Height in device pixels + + @returns Height in logical units. + */ + SAL_DLLPRIVATE tools::Long ImplDevicePixelToLogicHeight( tools::Long nHeight ) const; + + /** Convert logical height to device pixels, with exact sub-pixel value. + + To get the \em exact pixel height, it must calculate the Y-DPI of the device and the + map scaling factor. + + @param fLogicHeight Exact height in logical units. + + @returns Exact height in pixels - returns as a float to provide for subpixel value. + */ + SAL_DLLPRIVATE float ImplFloatLogicHeightToDevicePixel( float fLogicHeight ) const; + + /** Convert a logical size to the size on the physical device. + + @param rLogicSize Const reference to a size in logical units + + @returns Physical size on the device. + */ + SAL_DLLPRIVATE Size ImplLogicToDevicePixel( const Size& rLogicSize ) const; + + /** Convert a rectangle in physical pixel units to a rectangle in physical pixel units and coords. + + @param rPixelRect Const reference to rectangle in logical units and coords. + + @returns Rectangle based on logical coordinates and units. + */ + SAL_DLLPRIVATE tools::Rectangle ImplDevicePixelToLogic( const tools::Rectangle& rPixelRect ) const; + + /** Convert a logical polygon to a polygon in physical device pixel units. + + @param rLogicPoly Const reference to a polygon in logical units + + @returns Polygon based on physical device pixel coordinates and units. + */ + SAL_DLLPRIVATE tools::Polygon ImplLogicToDevicePixel( const tools::Polygon& rLogicPoly ) const; + + /** Convert a logical B2DPolygon to a B2DPolygon in physical device pixel units. + + @param rLogicSize Const reference to a B2DPolygon in logical units + + @returns B2DPolyPolygon based on physical device pixel coordinates and units. + */ + SAL_DLLPRIVATE ::basegfx::B2DPolygon ImplLogicToDevicePixel( const ::basegfx::B2DPolygon& rLogicPoly ) const; + + /** Convert a logical polypolygon to a polypolygon in physical device pixel units. + + @param rLogicPolyPoly Const reference to a polypolygon in logical units + + @returns Polypolygon based on physical device pixel coordinates and units. + */ + SAL_DLLPRIVATE tools::PolyPolygon ImplLogicToDevicePixel( const tools::PolyPolygon& rLogicPolyPoly ) const; + + /** Convert a line in logical units to a line in physical device pixel units. + + @param rLineInfo Const reference to a line in logical units + + @returns Line based on physical device pixel coordinates and units. + */ + SAL_DLLPRIVATE LineInfo ImplLogicToDevicePixel( const LineInfo& rLineInfo ) const; + + /** Convert a region in pixel units to a region in device pixel units and coords. + + @param rRegion Const reference to region. + + @returns vcl::Region based on device pixel coordinates and units. + */ + SAL_DLLPRIVATE vcl::Region ImplPixelToDevicePixel( const vcl::Region& rRegion ) const; + + /** Invalidate the view transformation. + + @since AOO bug 75163 (OpenOffice.org 2.4.3 - OOH 680 milestone 212) + */ + SAL_DLLPRIVATE void ImplInvalidateViewTransform(); + + /** Get device transformation. + + @since AOO bug 75163 (OpenOffice.org 2.4.3 - OOH 680 milestone 212) + */ + SAL_DLLPRIVATE basegfx::B2DHomMatrix ImplGetDeviceTransformation() const; + ///@} + + + /** @name Native Widget Rendering functions + + These all just call through to the private mpGraphics functions of the same name. + */ + ///@{ + +public: + + /** Determine if native widgets can be enabled + */ + virtual bool CanEnableNativeWidget() const { return false; } + + /** Query the platform layer for control support + */ + bool IsNativeControlSupported( ControlType nType, ControlPart nPart ) const; + + /** Query the native control to determine if it was acted upon + */ + bool HitTestNativeScrollbar( + ControlPart nPart, + const tools::Rectangle& rControlRegion, + const Point& aPos, + bool& rIsInside ) const; + + /** Request rendering of a particular control and/or part + */ + bool DrawNativeControl( + ControlType nType, + ControlPart nPart, + const tools::Rectangle& rControlRegion, + ControlState nState, + const ImplControlValue& aValue, + const OUString& aCaption, + const Color& rBackgroundColor = COL_AUTO ); + + /** Query the native control's actual drawing region (including adornment) + */ + bool GetNativeControlRegion( + ControlType nType, + ControlPart nPart, + const tools::Rectangle& rControlRegion, + ControlState nState, + const ImplControlValue& aValue, + tools::Rectangle &rNativeBoundingRegion, + tools::Rectangle &rNativeContentRegion ) const; + ///@} + + /** @name EPS functions + */ + ///@{ + +public: + + /** @returns boolean value to see if EPS could be painted directly. + Theoretically, handing over a matrix would be needed to handle + painting rotated EPS files (e.g. contained in Metafiles). This + would then need to be supported for Mac and PS printers, but + that's too much for now, wrote \#i107046# for this */ + bool DrawEPS( + const Point& rPt, const Size& rSz, + const GfxLink& rGfxLink, GDIMetaFile* pSubst = nullptr ); + ///@} + +public: + virtual css::awt::DeviceInfo GetDeviceInfo() const; + + /** Get the vcl::Window that this OutputDevice belongs to, if any */ + virtual vcl::Window* GetOwnerWindow() const { return nullptr; } + +protected: + css::awt::DeviceInfo GetCommonDeviceInfo(Size const& aDevSize) const; + +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |