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| -rw-r--r-- | vcl/inc/quartz/salgdi.h | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/vcl/inc/quartz/salgdi.h b/vcl/inc/quartz/salgdi.h new file mode 100644 index 000000000..ca1438270 --- /dev/null +++ b/vcl/inc/quartz/salgdi.h @@ -0,0 +1,590 @@ +/* -*- 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 <vector> + +#include <basegfx/polygon/b2dpolypolygon.hxx> +#include <tools/long.hxx> + +#include <premac.h> +#ifdef MACOSX +#include <ApplicationServices/ApplicationServices.h> +#include <osx/osxvcltypes.h> +#include <osx/salframe.h> +#else +#include <CoreGraphics/CoreGraphics.h> +#include <CoreText/CoreText.h> +#include "salgeom.hxx" +#endif +#include <postmac.h> + +#include <vcl/fontcapabilities.hxx> +#include <vcl/metric.hxx> + + +#include <fontinstance.hxx> +#include <impfontmetricdata.hxx> +#include <font/PhysicalFontFace.hxx> +#include <salgdi.hxx> + +#include <quartz/salgdicommon.hxx> +#include <unordered_map> +#include <hb-ot.h> + +#include <quartz/CGHelpers.hxx> + +class AquaSalFrame; +class FontAttributes; +class XorEmulation; + +// CoreText-specific physically available font face +class CoreTextFontFace : public vcl::font::PhysicalFontFace +{ +public: + CoreTextFontFace( const FontAttributes&, sal_IntPtr nFontID ); + virtual ~CoreTextFontFace() override; + + sal_IntPtr GetFontId() const override; + + int GetFontTable( uint32_t nTagCode, unsigned char* ) const; + int GetFontTable( const char pTagName[5], unsigned char* ) const; + + FontCharMapRef GetFontCharMap() const override; + bool GetFontCapabilities(vcl::FontCapabilities&) const override; + bool HasChar( sal_uInt32 cChar ) const; + + rtl::Reference<LogicalFontInstance> CreateFontInstance(const vcl::font::FontSelectPattern&) const override; + +private: + const sal_IntPtr mnFontId; + mutable FontCharMapRef mxCharMap; + mutable vcl::FontCapabilities maFontCapabilities; + mutable bool mbFontCapabilitiesRead; +}; + +class CoreTextStyle final : public LogicalFontInstance +{ + friend rtl::Reference<LogicalFontInstance> CoreTextFontFace::CreateFontInstance(const vcl::font::FontSelectPattern&) const; + +public: + ~CoreTextStyle() override; + + void GetFontMetric( ImplFontMetricDataRef const & ); + bool GetGlyphOutline(sal_GlyphId, basegfx::B2DPolyPolygon&, bool) const override; + + CFMutableDictionaryRef GetStyleDict( void ) const { return mpStyleDict; } + + /// <1.0: font is squeezed, >1.0 font is stretched, else 1.0 + float mfFontStretch; + /// text rotation in radian + float mfFontRotation; + /// faux bold - true, if font doesn't have proper bold variants + bool mbFauxBold; + +private: + explicit CoreTextStyle(const vcl::font::PhysicalFontFace&, const vcl::font::FontSelectPattern&); + + hb_font_t* ImplInitHbFont() override; + bool ImplGetGlyphBoundRect(sal_GlyphId, tools::Rectangle&, bool) const override; + + /// CoreText text style object + CFMutableDictionaryRef mpStyleDict; +}; + +// TODO: move into cross-platform headers + +class SystemFontList +{ +public: + SystemFontList( void ); + ~SystemFontList( void ); + + bool Init( void ); + void AddFont( CoreTextFontFace* ); + + void AnnounceFonts( vcl::font::PhysicalFontCollection& ) const; + CoreTextFontFace* GetFontDataFromId( sal_IntPtr nFontId ) const; + + CTFontCollectionRef fontCollection() { return mpCTFontCollection; } + +private: + CTFontCollectionRef mpCTFontCollection; + CFArrayRef mpCTFontArray; + + std::unordered_map<sal_IntPtr, rtl::Reference<CoreTextFontFace>> maFontContainer; +}; + +namespace sal::aqua +{ +float getWindowScaling(); +} + +struct AquaSharedAttributes +{ + /// path representing current clip region + CGMutablePathRef mxClipPath; + + /// Drawing colors + /// pen color RGBA + RGBAColor maLineColor; + + /// brush color RGBA + RGBAColor maFillColor; + + // Graphics types +#ifdef MACOSX + AquaSalFrame* mpFrame; + /// is this a window graphics + bool mbWindow; +#else // IOS + // mirror AquaSalVirtualDevice::mbForeignContext for SvpSalGraphics objects related to such + bool mbForeignContext; +#endif + /// is this a printer graphics + bool mbPrinter; + /// is this a virtual device graphics + bool mbVirDev; + + CGLayerHolder maLayer; // Quartz graphics layer + CGContextHolder maContextHolder; // Quartz drawing context + CGContextHolder maBGContextHolder; // Quartz drawing context for CGLayer + CGContextHolder maCSContextHolder; // Quartz drawing context considering the color space + int mnWidth; + int mnHeight; + int mnXorMode; // 0: off 1: on 2: invert only + int mnBitmapDepth; // zero unless bitmap + + Color maTextColor; + /// allows text to be rendered without antialiasing + bool mbNonAntialiasedText; + + std::unique_ptr<XorEmulation> mpXorEmulation; + + AquaSharedAttributes() + : mxClipPath(nullptr) + , maLineColor(COL_WHITE) + , maFillColor(COL_BLACK) +#ifdef MACOSX + , mpFrame(nullptr) + , mbWindow(false) +#else + , mbForeignContext(false) +#endif + , mbPrinter(false) + , mbVirDev(false) + , mnWidth(0) + , mnHeight(0) + , mnXorMode(0) + , mnBitmapDepth(0) + , maTextColor( COL_BLACK ) + , mbNonAntialiasedText( false ) + {} + + void unsetClipPath() + { + if (mxClipPath) + { + CGPathRelease(mxClipPath); + mxClipPath = nullptr; + } + } + + void unsetState() + { + unsetClipPath(); + } + + bool checkContext(); + void setState(); + + bool isPenVisible() const + { + return maLineColor.IsVisible(); + } + bool isBrushVisible() const + { + return maFillColor.IsVisible(); + } + + void refreshRect(float lX, float lY, float lWidth, float lHeight) + { +#ifdef MACOSX + if (!mbWindow) // view only on Window graphics + return; + + if (mpFrame) + { + // update a little more around the designated rectangle + // this helps with antialiased rendering + // Rounding down x and width can accumulate a rounding error of up to 2 + // The decrementing of x, the rounding error and the antialiasing border + // require that the width and the height need to be increased by four + const tools::Rectangle aVclRect( + Point(tools::Long(lX - 1), tools::Long(lY - 1)), + Size(tools::Long(lWidth + 4), tools::Long(lHeight + 4))); + + mpFrame->maInvalidRect.Union(aVclRect); + } +#else + (void) lX; + (void) lY; + (void) lWidth; + (void) lHeight; + return; +#endif + } + + // apply the XOR mask to the target context if active and dirty + void applyXorContext() + { + if (!mpXorEmulation) + return; + if (mpXorEmulation->UpdateTarget()) + { + refreshRect(0, 0, mnWidth, mnHeight); // TODO: refresh minimal changerect + } + } + + // differences between VCL, Quartz and kHiThemeOrientation coordinate systems + // make some graphics seem to be vertically-mirrored from a VCL perspective + bool isFlipped() const + { + #ifdef MACOSX + return mbWindow; + #else + return false; + #endif + } +}; + +class AquaGraphicsBackendBase +{ +public: + AquaGraphicsBackendBase(AquaSharedAttributes& rShared) + : mrShared( rShared ) + {} + virtual ~AquaGraphicsBackendBase() = 0; + AquaSharedAttributes& GetShared() { return mrShared; } + SalGraphicsImpl* GetImpl() + { + if(mpImpl == nullptr) + mpImpl = dynamic_cast<SalGraphicsImpl*>(this); + return mpImpl; + } + virtual void UpdateGeometryProvider(SalGeometryProvider*) {}; + virtual bool drawNativeControl(ControlType nType, + ControlPart nPart, + const tools::Rectangle &rControlRegion, + ControlState nState, + const ImplControlValue &aValue) = 0; + virtual void drawTextLayout(const GenericSalLayout& layout, bool bTextRenderModeForResolutionIndependentLayout) = 0; + virtual void Flush() {} + virtual void Flush( const tools::Rectangle& ) {} +protected: + static bool performDrawNativeControl(ControlType nType, + ControlPart nPart, + const tools::Rectangle &rControlRegion, + ControlState nState, + const ImplControlValue &aValue, + CGContextRef context, + AquaSalFrame* mpFrame); + AquaSharedAttributes& mrShared; +private: + SalGraphicsImpl* mpImpl = nullptr; +}; + +inline AquaGraphicsBackendBase::~AquaGraphicsBackendBase() {} + +class AquaGraphicsBackend final : public SalGraphicsImpl, public AquaGraphicsBackendBase +{ +private: + void drawPixelImpl( tools::Long nX, tools::Long nY, const RGBAColor& rColor); // helper to draw single pixels + +#ifdef MACOSX + void refreshRect(const NSRect& rRect) + { + mrShared.refreshRect(rRect.origin.x, rRect.origin.y, rRect.size.width, rRect.size.height); + } +#else + void refreshRect(const CGRect& /*rRect*/) + {} +#endif + + void pattern50Fill(); + +#ifdef MACOSX + void copyScaledArea(tools::Long nDestX, tools::Long nDestY, tools::Long nSrcX, tools::Long nSrcY, + tools::Long nSrcWidth, tools::Long nSrcHeight, AquaSharedAttributes* pSrcShared); +#endif + +public: + AquaGraphicsBackend(AquaSharedAttributes & rShared); + ~AquaGraphicsBackend() override; + + void Init() override; + + void freeResources() override; + + OUString getRenderBackendName() const override + { + return "aqua"; + } + + bool setClipRegion(vcl::Region const& rRegion) override; + void ResetClipRegion() override; + + sal_uInt16 GetBitCount() const override; + + tools::Long GetGraphicsWidth() const override; + + void SetLineColor() override; + void SetLineColor(Color nColor) override; + void SetFillColor() override; + void SetFillColor(Color nColor) override; + void SetXORMode(bool bSet, bool bInvertOnly) override; + void SetROPLineColor(SalROPColor nROPColor) override; + void SetROPFillColor(SalROPColor nROPColor) override; + + void drawPixel(tools::Long nX, tools::Long nY) override; + void drawPixel(tools::Long nX, tools::Long nY, Color nColor) override; + + void drawLine(tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2) override; + void drawRect(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight) override; + void drawPolyLine(sal_uInt32 nPoints, const Point* pPointArray) override; + void drawPolygon(sal_uInt32 nPoints, const Point* pPointArray) override; + void drawPolyPolygon(sal_uInt32 nPoly, const sal_uInt32* pPoints, + const Point** pPointArray) override; + + bool drawPolyPolygon(const basegfx::B2DHomMatrix& rObjectToDevice, + const basegfx::B2DPolyPolygon&, double fTransparency) override; + + bool drawPolyLine(const basegfx::B2DHomMatrix& rObjectToDevice, const basegfx::B2DPolygon&, + double fTransparency, double fLineWidth, const std::vector<double>* pStroke, + basegfx::B2DLineJoin, css::drawing::LineCap, double fMiterMinimumAngle, + bool bPixelSnapHairline) override; + + bool drawPolyLineBezier(sal_uInt32 nPoints, const Point* pPointArray, + const PolyFlags* pFlagArray) override; + + bool drawPolygonBezier(sal_uInt32 nPoints, const Point* pPointArray, + const PolyFlags* pFlagArray) override; + + bool drawPolyPolygonBezier(sal_uInt32 nPoly, const sal_uInt32* pPoints, + const Point* const* pPointArray, + const PolyFlags* const* pFlagArray) override; + + void copyArea(tools::Long nDestX, tools::Long nDestY, tools::Long nSrcX, tools::Long nSrcY, + tools::Long nSrcWidth, tools::Long nSrcHeight, bool bWindowInvalidate) override; + + void copyBits(const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics) override; + + void drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap) override; + + void drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap, + const SalBitmap& rMaskBitmap) override; + + void drawMask(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap, + Color nMaskColor) override; + + std::shared_ptr<SalBitmap> getBitmap(tools::Long nX, tools::Long nY, tools::Long nWidth, + tools::Long nHeight) override; + + Color getPixel(tools::Long nX, tools::Long nY) override; + + void invert(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, + SalInvert nFlags) override; + + void invert(sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags) override; + + bool drawEPS(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, + void* pPtr, sal_uInt32 nSize) override; + + bool blendBitmap(const SalTwoRect&, const SalBitmap& rBitmap) override; + + bool blendAlphaBitmap(const SalTwoRect&, const SalBitmap& rSrcBitmap, + const SalBitmap& rMaskBitmap, const SalBitmap& rAlphaBitmap) override; + + bool drawAlphaBitmap(const SalTwoRect&, const SalBitmap& rSourceBitmap, + const SalBitmap& rAlphaBitmap) override; + + bool drawTransformedBitmap(const basegfx::B2DPoint& rNull, const basegfx::B2DPoint& rX, + const basegfx::B2DPoint& rY, const SalBitmap& rSourceBitmap, + const SalBitmap* pAlphaBitmap, double fAlpha) override; + + bool hasFastDrawTransformedBitmap() const override; + + bool drawAlphaRect(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, + sal_uInt8 nTransparency) override; + + bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) override; + bool implDrawGradient(basegfx::B2DPolyPolygon const& rPolyPolygon, + SalGradient const& rGradient) override; + + virtual bool drawNativeControl(ControlType nType, + ControlPart nPart, + const tools::Rectangle &rControlRegion, + ControlState nState, + const ImplControlValue &aValue) override; + + virtual void drawTextLayout(const GenericSalLayout& layout, bool bTextRenderModeForResolutionIndependentLayout) override; + + bool supportsOperation(OutDevSupportType eType) const override; +}; + +class AquaSalGraphics : public SalGraphicsAutoDelegateToImpl +{ + AquaSharedAttributes maShared; + std::unique_ptr<AquaGraphicsBackendBase> mpBackend; + + /// device resolution of this graphics + sal_Int32 mnRealDPIX; + sal_Int32 mnRealDPIY; + + // Device Font settings + rtl::Reference<CoreTextStyle> mpTextStyle[MAX_FALLBACK]; + +public: + AquaSalGraphics(bool bPrinter = false); + virtual ~AquaSalGraphics() override; + + void SetVirDevGraphics(SalVirtualDevice* pVirDev,CGLayerHolder const &rLayer, CGContextRef, int nBitDepth = 0); +#ifdef MACOSX + void initResolution( NSWindow* ); + void copyResolution( AquaSalGraphics& ); + void updateResolution(); + + void SetWindowGraphics( AquaSalFrame* pFrame ); + bool IsWindowGraphics() const { return maShared.mbWindow; } + void SetPrinterGraphics(CGContextRef, sal_Int32 nRealDPIX, sal_Int32 nRealDPIY); + AquaSalFrame* getGraphicsFrame() const { return maShared.mpFrame; } + void setGraphicsFrame( AquaSalFrame* pFrame ) { maShared.mpFrame = pFrame; } +#endif + +#ifdef MACOSX + void UpdateWindow( NSRect& ); // delivered in NSView coordinates + void RefreshRect(const NSRect& rRect) + { + maShared.refreshRect(rRect.origin.x, rRect.origin.y, rRect.size.width, rRect.size.height); + } +#else + void RefreshRect( const CGRect& ) {} +#endif + + void Flush(); + void Flush( const tools::Rectangle& ); + + void UnsetState(); + // InvalidateContext does an UnsetState and sets mrContext to 0 + void InvalidateContext(); + + AquaGraphicsBackendBase* getAquaGraphicsBackend() const + { + return mpBackend.get(); + } + + virtual SalGraphicsImpl* GetImpl() const override; + +#ifdef MACOSX + +protected: + + // native widget rendering methods that require mirroring + + virtual bool isNativeControlSupported( ControlType nType, ControlPart nPart ) override; + + virtual bool hitTestNativeControl( ControlType nType, ControlPart nPart, const tools::Rectangle& rControlRegion, + const Point& aPos, bool& rIsInside ) override; + virtual bool drawNativeControl( ControlType nType, ControlPart nPart, const tools::Rectangle& rControlRegion, + ControlState nState, const ImplControlValue& aValue, + const OUString& aCaption, const Color& rBackgroundColor ) override; + virtual bool getNativeControlRegion( ControlType nType, ControlPart nPart, const tools::Rectangle& rControlRegion, ControlState nState, + const ImplControlValue& aValue, const OUString& aCaption, + tools::Rectangle &rNativeBoundingRegion, tools::Rectangle &rNativeContentRegion ) override; +#endif + +public: + // get device resolution + virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) override; + // set the text color to a specific color + virtual void SetTextColor( Color nColor ) override; + // set the font + virtual void SetFont( LogicalFontInstance*, int nFallbackLevel ) override; + // get the current font's metrics + virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override; + // get the repertoire of the current font + virtual FontCharMapRef GetFontCharMap() const override; + virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override; + // graphics must fill supplied font list + virtual void GetDevFontList( vcl::font::PhysicalFontCollection* ) override; + // graphics must drop any cached font info + virtual void ClearDevFontCache() override; + virtual bool AddTempDevFont( vcl::font::PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override; + // 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 // out parameter + ) override; + + // 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*, tools::Long* pDataLen) + override; + // frees the font data again + virtual void FreeEmbedFontData( const void* pData, tools::Long nDataLen ) override; + + virtual void GetGlyphWidths( const vcl::font::PhysicalFontFace*, + bool bVertical, + std::vector< sal_Int32 >& rWidths, + Ucs2UIntMap& rUnicodeEnc ) override; + + virtual std::unique_ptr<GenericSalLayout> + GetTextLayout(int nFallbackLevel) override; + virtual void DrawTextLayout( const GenericSalLayout& ) override; + + virtual SystemGraphicsData + GetGraphicsData() const override; + +private: + static bool GetRawFontData( const vcl::font::PhysicalFontFace* pFontData, + std::vector<unsigned char>& rBuffer, + bool* pJustCFF ); +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |