1 files changed, 188 insertions, 0 deletions
diff --git a/vcl/unx/generic/gdi/X11CairoSalGraphicsImpl.hxx b/vcl/unx/generic/gdi/X11CairoSalGraphicsImpl.hxx
new file mode 100644
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+++ b/vcl/unx/generic/gdi/X11CairoSalGraphicsImpl.hxx
@@ -0,0 +1,188 @@
+/* -*- 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 .
+ */
+
+#include <cairo-xlib.h>
+#include <unx/salgdi.h>
+#include <unx/x11/x11gdiimpl.h>
+#include "cairo_xlib_cairo.hxx"
+
+#include <headless/CairoCommon.hxx>
+
+class X11CairoSalGraphicsImpl : public SalGraphicsImpl, public X11GraphicsImpl
+{
+private:
+    X11SalGraphics& mrParent;
+    CairoCommon& mrCairoCommon;
+
+public:
+    X11CairoSalGraphicsImpl(X11SalGraphics& rParent, CairoCommon& rCairoCommon);
+
+    void Init() override;
+
+    OUString getRenderBackendName() const override { return "gen"; }
+
+    // get the depth of the device
+    sal_uInt16 GetBitCount() const override { return mrParent.GetVisual().GetDepth(); }
+
+    // get the width of the device
+    tools::Long GetGraphicsWidth() const override;
+
+    void ResetClipRegion() override { mrCairoCommon.m_aClipRegion.SetNull(); }
+
+    void setClipRegion(const vcl::Region& i_rClip) override
+    {
+        mrCairoCommon.m_aClipRegion = i_rClip;
+    }
+
+    void SetLineColor() override { mrCairoCommon.m_oLineColor = std::nullopt; }
+
+    void SetLineColor(Color nColor) override { mrCairoCommon.m_oLineColor = nColor; }
+
+    void SetFillColor() override { mrCairoCommon.m_oFillColor = std::nullopt; }
+
+    void SetFillColor(Color nColor) override { mrCairoCommon.m_oFillColor = nColor; }
+
+    void SetXORMode(bool bSet, bool bInvertOnly) override
+    {
+        mrCairoCommon.SetXORMode(bSet, bInvertOnly);
+    }
+
+    void SetROPLineColor(SalROPColor nROPColor) override
+    {
+        mrCairoCommon.SetROPLineColor(nROPColor);
+    }
+
+    void SetROPFillColor(SalROPColor nROPColor) override
+    {
+        mrCairoCommon.SetROPFillColor(nROPColor);
+    }
+
+    void clipRegion(cairo_t* cr) { CairoCommon::clipRegion(cr, mrCairoCommon.m_aClipRegion); }
+
+    void drawPixel(tools::Long nX, tools::Long nY) override;
+    void drawPixel(tools::Long nX, tools::Long nY, Color nColor) override;
+    Color getPixel(tools::Long nX, tools::Long nY) 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 drawPolygon(sal_uInt32 nPoints, const Point* pPtAry) override;
+
+    void drawPolyPolygon(sal_uInt32 nPoly, const sal_uInt32* pPoints,
+                         const Point** pPtAry) override;
+
+    void drawPolyPolygon(const basegfx::B2DHomMatrix& rObjectToDevice,
+                         const basegfx::B2DPolyPolygon& rPolyPolygon,
+                         double fTransparency) override;
+
+    void drawPolyLine(sal_uInt32 nPoints, const Point* pPtAry) override;
+
+    bool drawPolyLine(const basegfx::B2DHomMatrix& rObjectToDevice,
+                      const basegfx::B2DPolygon& rPolygon, double fTransparency, double fLineWidth,
+                      const std::vector<double>* pStroke, basegfx::B2DLineJoin eLineJoin,
+                      css::drawing::LineCap eLineCap, double fMiterMinimumAngle,
+                      bool bPixelSnapHairline) override;
+
+    /** Render solid rectangle with given transparency
+
+        @param nTransparency
+        Transparency value (0-255) to use. 0 blits and opaque, 255 a
+        fully transparent rectangle
+     */
+    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;
+
+    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;
+
+    // CopyArea --> No RasterOp, but ClipRegion
+    void copyArea(tools::Long nDestX, tools::Long nDestY, tools::Long nSrcX, tools::Long nSrcY,
+                  tools::Long nSrcWidth, tools::Long nSrcHeight, bool bWindowInvalidate) override;
+
+    // CopyBits and DrawBitmap --> RasterOp and ClipRegion
+    // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
+    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;
+
+    /** Render bitmap with alpha channel
+
+        @param rSourceBitmap
+        Source bitmap to blit
+
+        @param rAlphaBitmap
+        Alpha channel to use for blitting
+
+        @return true, if the operation succeeded, and false
+        otherwise. In this case, clients should try to emulate alpha
+        compositing themselves
+     */
+    bool drawAlphaBitmap(const SalTwoRect&, const SalBitmap& rSourceBitmap,
+                         const SalBitmap& rAlphaBitmap) 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;
+
+    bool drawPolyLineBezier(sal_uInt32 nPoints, const Point* pPtAry,
+                            const PolyFlags* pFlgAry) override;
+
+    bool drawPolygonBezier(sal_uInt32 nPoints, const Point* pPtAry,
+                           const PolyFlags* pFlgAry) override;
+
+    bool drawPolyPolygonBezier(sal_uInt32 nPoly, const sal_uInt32* pPoints,
+                               const Point* const* pPtAry,
+                               const PolyFlags* const* pFlgAry) override;
+
+    bool drawEPS(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
+                 void* pPtr, sal_uInt32 nSize) override;
+
+    bool hasFastDrawTransformedBitmap() const override;
+
+    /** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system */
+    bool drawTransformedBitmap(const basegfx::B2DPoint& rNull, const basegfx::B2DPoint& rX,
+                               const basegfx::B2DPoint& rY, const SalBitmap& rSourceBitmap,
+                               const SalBitmap* pAlphaBitmap, double fAlpha) override;
+
+    /** Blend bitmap with color channels */
+    bool blendBitmap(const SalTwoRect&, const SalBitmap& rBitmap) override;
+
+    /** Render bitmap by blending using the mask and alpha channel */
+    bool blendAlphaBitmap(const SalTwoRect&, const SalBitmap& rSrcBitmap,
+                          const SalBitmap& rMaskBitmap, const SalBitmap& rAlphaBitmap) override;
+
+    bool supportsOperation(OutDevSupportType eType) const override;
+
+    void freeResources() override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */