vcl/inc/headless/svpgdi.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #ifdef IOS
  23 #error This file is not for iOS
  24 #endif
  25
  26 #include <sal/config.h>
  27 #include <config_features.h>
  28
  29 #include <osl/endian.h>
  30 #include <vcl/sysdata.hxx>
  31 #include <config_cairo_canvas.h>
  32
  33 #include <font/PhysicalFontFace.hxx>
  34 #include <salgdi.hxx>
  35 #include <sallayout.hxx>
  36 #include "svpcairotextrender.hxx"
  37 #include <impfontmetricdata.hxx>
  38
  39 #include <headless/SvpGraphicsBackend.hxx>
  40 #include <headless/CairoCommon.hxx>
  41
  42 struct BitmapBuffer;
  43 class FreetypeFont;
  44
  45 class VCL_DLLPUBLIC SvpSalGraphics : public SalGraphicsAutoDelegateToImpl
  46 {
  47     CairoCommon m_aCairoCommon;
  48     SvpCairoTextRender                  m_aTextRenderImpl;
  49     std::unique_ptr<SvpGraphicsBackend> m_pBackend;
  50
  51 public:
  52     void setSurface(cairo_surface_t* pSurface, const basegfx::B2IVector& rSize);
  53     cairo_surface_t* getSurface() const { return m_aCairoCommon.m_pSurface; }
  54     static cairo_user_data_key_t* getDamageKey()
  55     {
  56         return CairoCommon::getDamageKey();
  57     }
  58
  59 protected:
  60
  61     cairo_t* createTmpCompatibleCairoContext() const;
  62
  63 public:
  64     SvpSalGraphics();
  65     virtual ~SvpSalGraphics() override;
  66
  67     virtual SalGraphicsImpl* GetImpl() const override { return m_pBackend.get(); }
  68     std::unique_ptr<SvpGraphicsBackend> const& getSvpBackend() { return m_pBackend; }
  69
  70     virtual void            GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) override;
  71
  72     virtual void            SetTextColor( Color nColor ) override;
  73     virtual void            SetFont(LogicalFontInstance*, int nFallbackLevel) override;
  74     virtual void            GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override;
  75     virtual FontCharMapRef  GetFontCharMap() const override;
  76     virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
  77     virtual void            GetDevFontList( vcl::font::PhysicalFontCollection* ) override;
  78     virtual void ClearDevFontCache() override;
  79     virtual bool            AddTempDevFont( vcl::font::PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
  80     virtual std::unique_ptr<GenericSalLayout>
  81                             GetTextLayout(int nFallbackLevel) override;
  82     virtual void            DrawTextLayout( const GenericSalLayout& ) override;
  83
  84     virtual bool            ShouldDownscaleIconsAtSurface(double* pScaleOut) const override;
  85
  86     virtual SystemGraphicsData GetGraphicsData() const override;
  87
  88 #if ENABLE_CAIRO_CANVAS
  89     virtual bool            SupportsCairo() const override;
  90     virtual cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const override;
  91     virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width, int height) const override;
  92     virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice, const BitmapSystemData& rData, const Size& rSize) const override;
  93     virtual css::uno::Any   GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const override;
  94 #endif // ENABLE_CAIRO_CANVAS
  95
  96     cairo_t* getCairoContext() const
  97     {
  98         return m_aCairoCommon.getCairoContext(/*bXorModeAllowed*/false, getAntiAlias());
  99     }
 100
 101     void releaseCairoContext(cairo_t* cr, const basegfx::B2DRange& rExtents) const
 102     {
 103         return m_aCairoCommon.releaseCairoContext(cr, /*bXorModeAllowed*/false, rExtents);
 104     }
 105
 106     void clipRegion(cairo_t* cr)
 107     {
 108         m_aCairoCommon.clipRegion(cr);
 109     }
 110     void copySource(const SalTwoRect& rTR, cairo_surface_t* source)
 111     {
 112         m_aCairoCommon.copySource(rTR, source, getAntiAlias());
 113     }
 114 };
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */