Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 231 insertions, 0 deletions

diff --git a/sdext/source/pdfimport/inc/pdfihelper.hxx b/sdext/source/pdfimport/inc/pdfihelper.hxx
new file mode 100644
index 000000000..6b663b203
--- /dev/null
+++ b/sdext/source/pdfimport/inc/pdfihelper.hxx
@@ -0,0 +1,231 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_PDFIHELPER_HXX
+#define INCLUDED_SDEXT_SOURCE_PDFIMPORT_INC_PDFIHELPER_HXX
+
+#include "contentsink.hxx"
+
+#include <rtl/ustring.hxx>
+#include <rtl/math.h>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <com/sun/star/rendering/PathCapType.hpp>
+#include <com/sun/star/rendering/PathJoinType.hpp>
+
+#include <unordered_map>
+#include <vector>
+#include <o3tl/hash_combine.hxx>
+
+// virtual resolution of the PDF OutputDev in dpi
+#define PDFI_OUTDEV_RESOLUTION 7200
+
+namespace com::sun::star::task { class XInteractionHandler; }
+
+namespace pdfi
+{
+    typedef std::unordered_map< OUString, OUString > PropertyMap;
+    typedef sal_Int32 ImageId;
+
+    /// What to do with a polygon. values can be ORed together
+    enum PolygonAction { PATH_STROKE=1, PATH_FILL=2, PATH_EOFILL=4 };
+
+    OUString unitMMString( double fMM );
+    OUString convertPixelToUnitString( double fPix );
+
+    inline double convPx2mm( double fPix )
+    {
+        const double px2mm = 25.4/PDFI_OUTDEV_RESOLUTION;
+        fPix *= px2mm;
+        return fPix;
+    }
+
+    inline double convmm2Px( double fMM )
+    {
+        const double mm2px = PDFI_OUTDEV_RESOLUTION/25.4;
+        fMM *= mm2px;
+        return fMM;
+    }
+
+    inline double convPx2mmPrec2( double fPix )
+    {
+        return rtl_math_round( convPx2mm( fPix ), 2, rtl_math_RoundingMode_Floor );
+    }
+
+    /// Convert color to "#FEFEFE" color notation
+    OUString getColorString( const css::rendering::ARGBColor& );
+    OUString getPercentString(double value);
+
+    double GetAverageTransformationScale(const basegfx::B2DHomMatrix& matrix);
+    void FillDashStyleProps(PropertyMap& props, const std::vector<double>& dashArray, double scale);
+
+    struct FontAttrHash
+    {
+        size_t operator()(const FontAttributes& rFont ) const
+        {
+            std::size_t seed = 0;
+            o3tl::hash_combine(seed, rFont.familyName.hashCode());
+            o3tl::hash_combine(seed, rFont.fontWeight);
+            o3tl::hash_combine(seed, rFont.isItalic);
+            o3tl::hash_combine(seed, rFont.isUnderline);
+            o3tl::hash_combine(seed, rFont.isOutline);
+            o3tl::hash_combine(seed, rFont.size);
+            return seed;
+        }
+    };
+
+    struct GraphicsContext
+    {
+        css::rendering::ARGBColor     LineColor;
+        css::rendering::ARGBColor     FillColor;
+        sal_Int8                                   LineJoin;
+        sal_Int8                                   LineCap;
+        sal_Int8                                   BlendMode;
+        double                                     Flatness;
+        double                                     LineWidth;
+        double                                     MiterLimit;
+        std::vector<double>                        DashArray;
+        sal_Int32                                  FontId;
+        sal_Int32                                  TextRenderMode;
+        basegfx::B2DHomMatrix                      Transformation;
+        basegfx::B2DPolyPolygon                    Clip;
+
+        GraphicsContext() :
+            LineColor(),
+            FillColor(),
+            LineJoin(0),
+            LineCap(0),
+            BlendMode(0),
+            Flatness(0.0),
+            LineWidth(1.0),
+            MiterLimit(10.0),
+            DashArray(),
+            FontId(0),
+            TextRenderMode(0),
+            Transformation(),
+            Clip()
+        {}
+
+        bool operator==(const GraphicsContext& rRight ) const
+        {
+            return LineColor.Red == rRight.LineColor.Red &&
+                LineColor.Green == rRight.LineColor.Green &&
+                LineColor.Blue == rRight.LineColor.Blue &&
+                LineColor.Alpha == rRight.LineColor.Alpha &&
+                FillColor.Red == rRight.FillColor.Red &&
+                FillColor.Green == rRight.FillColor.Green &&
+                FillColor.Blue == rRight.FillColor.Blue &&
+                FillColor.Alpha == rRight.FillColor.Alpha &&
+                LineJoin  == rRight.LineJoin &&
+                LineCap   == rRight.LineCap &&
+                BlendMode == rRight.BlendMode &&
+                LineWidth == rRight.LineWidth &&
+                Flatness == rRight.Flatness &&
+                MiterLimit == rRight.MiterLimit &&
+                DashArray == rRight.DashArray &&
+                FontId    == rRight.FontId &&
+                TextRenderMode == rRight.TextRenderMode &&
+                Transformation == rRight.Transformation &&
+                Clip == rRight.Clip;
+        }
+
+        OUString GetLineJoinString() const
+        {
+            switch (LineJoin)
+            {
+            default:
+            case css::rendering::PathJoinType::MITER:
+                return "miter";
+            case css::rendering::PathJoinType::ROUND:
+                return "round";
+            case css::rendering::PathJoinType::BEVEL:
+                return "bevel";
+            }
+        }
+
+        OUString GetLineCapString() const
+        {
+            switch (LineCap)
+            {
+            default:
+            case css::rendering::PathCapType::BUTT:
+                return "butt";
+            case css::rendering::PathCapType::ROUND:
+                return "round";
+            case css::rendering::PathCapType::SQUARE:
+                return "square";
+            }
+        }
+
+        bool isRotatedOrSkewed() const
+        { return Transformation.get( 0, 1 ) != 0.0 ||
+                Transformation.get( 1, 0 ) != 0.0; }
+    };
+
+    struct GraphicsContextHash
+    {
+        size_t operator()(const GraphicsContext& rGC ) const
+        {
+            std::size_t seed = 0;
+            o3tl::hash_combine(seed, rGC.LineColor.Red);
+            o3tl::hash_combine(seed, rGC.LineColor.Green);
+            o3tl::hash_combine(seed, rGC.LineColor.Blue);
+            o3tl::hash_combine(seed, rGC.LineColor.Alpha);
+            o3tl::hash_combine(seed, rGC.FillColor.Red);
+            o3tl::hash_combine(seed, rGC.FillColor.Green);
+            o3tl::hash_combine(seed, rGC.FillColor.Blue);
+            o3tl::hash_combine(seed, rGC.FillColor.Alpha);
+            o3tl::hash_combine(seed, rGC.LineJoin);
+            o3tl::hash_combine(seed, rGC.LineCap);
+            o3tl::hash_combine(seed, rGC.BlendMode);
+            o3tl::hash_combine(seed, rGC.LineWidth);
+            o3tl::hash_combine(seed, rGC.Flatness);
+            o3tl::hash_combine(seed, rGC.MiterLimit);
+            o3tl::hash_combine(seed, rGC.DashArray.size());
+            o3tl::hash_combine(seed, rGC.FontId);
+            o3tl::hash_combine(seed, rGC.TextRenderMode);
+            o3tl::hash_combine(seed, rGC.Transformation.get( 0, 0 ));
+            o3tl::hash_combine(seed, rGC.Transformation.get( 1, 0 ));
+            o3tl::hash_combine(seed, rGC.Transformation.get( 0, 1 ));
+            o3tl::hash_combine(seed, rGC.Transformation.get( 1, 1 ));
+            o3tl::hash_combine(seed, rGC.Transformation.get( 0, 2 ));
+            o3tl::hash_combine(seed, rGC.Transformation.get( 1, 2 ));
+            o3tl::hash_combine(seed, rGC.Clip.count() ? rGC.Clip.getB2DPolygon(0).count() : 0);
+            return seed;
+        }
+    };
+
+    /** retrieve password from user
+     */
+    bool getPassword( const css::uno::Reference<
+                            css::task::XInteractionHandler >& xHandler,
+                      OUString&                                       rOutPwd,
+                      bool                                                 bFirstTry,
+                      const OUString&                                 rDocName
+                      );
+
+    void reportUnsupportedEncryptionFormat(
+        css::uno::Reference<
+            css::task::XInteractionHandler > const & handler);
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */