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, 317 insertions, 0 deletions

diff --git a/drawinglayer/source/tools/emfpbrush.cxx b/drawinglayer/source/tools/emfpbrush.cxx
new file mode 100644
index 000000000..c79b0ded0
--- /dev/null
+++ b/drawinglayer/source/tools/emfpbrush.cxx
@@ -0,0 +1,317 @@
+/* -*- 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 <basegfx/range/b2drange.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <o3tl/safeint.hxx>
+#include <sal/log.hxx>
+#include "emfpbrush.hxx"
+#include "emfppath.hxx"
+
+namespace emfplushelper
+{
+    EMFPBrush::EMFPBrush()
+        : type(0)
+        , additionalFlags(0)
+        , wrapMode(0)
+        , firstPointX(0.0)
+        , firstPointY(0.0)
+        , aWidth(0.0)
+        , aHeight(0.0)
+        , hasTransformation(false)
+        , blendPoints(0)
+        , blendFactors(nullptr)
+        , colorblendPoints(0)
+        , surroundColorsNumber(0)
+        , hatchStyle(HatchStyleHorizontal)
+    {
+    }
+
+    EMFPBrush::~EMFPBrush()
+    {
+    }
+
+    static OUString BrushTypeToString(sal_uInt32 type)
+    {
+        switch (type)
+        {
+            case BrushTypeSolidColor: return "BrushTypeSolidColor";
+            case BrushTypeHatchFill: return "BrushTypeHatchFill";
+            case BrushTypeTextureFill: return "BrushTypeTextureFill";
+            case BrushTypePathGradient: return "BrushTypePathGradient";
+            case BrushTypeLinearGradient: return "BrushTypeLinearGradient";
+        }
+        return "";
+    }
+
+    void EMFPBrush::Read(SvStream& s, EmfPlusHelperData const & rR)
+    {
+        sal_uInt32 header;
+
+        s.ReadUInt32(header).ReadUInt32(type);
+
+        SAL_INFO("drawinglayer.emf", "EMF+\t\t\tHeader: 0x" << std::hex << header);
+        SAL_INFO("drawinglayer.emf", "EMF+\t\t\tType: " << BrushTypeToString(type) << "(0x" << type << ")" << std::dec);
+
+        switch (type)
+        {
+            case BrushTypeSolidColor:
+            {
+                sal_uInt32 color;
+                s.ReadUInt32(color);
+
+                solidColor = ::Color(ColorAlpha, (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tSolid color: 0x" << std::hex << color << std::dec);
+                break;
+            }
+            case BrushTypeHatchFill:
+            {
+                sal_uInt32 style;
+                sal_uInt32 foregroundColor;
+                sal_uInt32 backgroundColor;
+                s.ReadUInt32(style);
+                s.ReadUInt32(foregroundColor);
+                s.ReadUInt32(backgroundColor);
+
+                hatchStyle = static_cast<EmfPlusHatchStyle>(style);
+                solidColor = ::Color(ColorAlpha, (foregroundColor >> 24), (foregroundColor >> 16) & 0xff, (foregroundColor >> 8) & 0xff, foregroundColor & 0xff);
+                secondColor = ::Color(ColorAlpha, (backgroundColor >> 24), (backgroundColor >> 16) & 0xff, (backgroundColor >> 8) & 0xff, backgroundColor & 0xff);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tHatch style: 0x" << std::hex << style);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tForeground color: 0x" << solidColor.AsRGBHexString());
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tBackground color: 0x" << secondColor.AsRGBHexString());
+                break;
+            }
+            case BrushTypeTextureFill:
+            {
+                SAL_WARN("drawinglayer.emf", "EMF+\tTODO: implement BrushTypeTextureFill brush");
+                break;
+            }
+            case BrushTypePathGradient:
+            {
+                s.ReadUInt32(additionalFlags).ReadInt32(wrapMode);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tAdditional flags: 0x" << std::hex << additionalFlags << std::dec);
+                sal_uInt32 color;
+                s.ReadUInt32(color);
+                solidColor = ::Color(ColorAlpha, (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tCenter color: 0x" << std::hex << color << std::dec);
+                s.ReadFloat(firstPointX).ReadFloat(firstPointY);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tCenter point: " << firstPointX << "," << firstPointY);
+                s.ReadUInt32(surroundColorsNumber);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\t number of surround colors: " << surroundColorsNumber);
+
+                surroundColors.reset( new ::Color[surroundColorsNumber] );
+
+                for (sal_uInt32 i = 0; i < surroundColorsNumber; i++)
+                {
+                    s.ReadUInt32(color);
+                    surroundColors[i] = ::Color(ColorAlpha, (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
+                    if (i == 0)
+                        secondColor = surroundColors[0];
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tSurround color[" << i << "]: 0x" << std::hex << color << std::dec);
+                }
+
+                if (additionalFlags & 0x01) // BrushDataPath
+                {
+                    sal_Int32 pathLength;
+
+                    s.ReadInt32(pathLength);
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tPath length: " << pathLength);
+
+                    sal_uInt64 const pos = s.Tell();
+
+                    sal_uInt32 pathHeader;
+                    sal_Int32 pathPoints, pathFlags;
+                    s.ReadUInt32(pathHeader).ReadInt32(pathPoints).ReadInt32(pathFlags);
+
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tPath (brush path gradient)");
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\t\tHeader: 0x" << std::hex << pathHeader);
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\t\tPoints: " << std::dec << pathPoints);
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\t\tAdditional flags: 0x" << std::hex << pathFlags << std::dec);
+
+                    path.reset( new EMFPPath(pathPoints) );
+                    path->Read(s, pathFlags);
+
+                    s.Seek(pos + pathLength);
+
+                    const ::basegfx::B2DRectangle aBounds(::basegfx::utils::getRange(path->GetPolygon(rR, false)));
+                    aWidth = aBounds.getWidth();
+                    aHeight = aBounds.getHeight();
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tPolygon bounding box: " << aBounds.getMinX() << "," << aBounds.getMinY() << " "
+                                                                             << aBounds.getWidth() << "x" << aBounds.getHeight());
+                }
+                else
+                {
+                    sal_Int32 boundaryPointCount;
+                    s.ReadInt32(boundaryPointCount);
+
+                    sal_uInt64 const pos = s.Tell();
+                    SAL_INFO("drawinglayer.emf", "EMF+\t use boundary, points: " << boundaryPointCount);
+                    path.reset( new EMFPPath(boundaryPointCount) );
+                    path->Read(s, 0x0);
+
+                    s.Seek(pos + 8 * boundaryPointCount);
+
+                    const ::basegfx::B2DRectangle aBounds(::basegfx::utils::getRange(path->GetPolygon(rR, false)));
+                    aWidth = aBounds.getWidth();
+                    aHeight = aBounds.getHeight();
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tPolygon bounding box: " << aBounds.getMinX() << "," << aBounds.getMinY() << " "
+                                                                             << aBounds.getWidth() << "x" << aBounds.getHeight());
+                }
+
+                if (additionalFlags & 0x02) // BrushDataTransform
+                {
+                    EmfPlusHelperData::readXForm(s, brush_transformation);
+                    hasTransformation = true;
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tUse brush transformation: " << brush_transformation);
+                }
+
+                // BrushDataPresetColors and BrushDataBlendFactorsH
+                if ((additionalFlags & 0x04) && (additionalFlags & 0x08))
+                {
+                    SAL_WARN("drawinglayer.emf", "EMF+\t Brush must not contain both BrushDataPresetColors and BrushDataBlendFactorsH");
+                    return;
+                }
+                if (additionalFlags & 0x08) // BrushDataBlendFactorsH
+                {
+                    s.ReadUInt32(blendPoints);
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tuse blend, points: " << blendPoints);
+                    blendPositions.reset( new float[2 * blendPoints] );
+                    blendFactors = blendPositions.get() + blendPoints;
+
+                    for (sal_uInt32 i = 0; i < blendPoints; i++)
+                    {
+                        s.ReadFloat(blendPositions[i]);
+                        SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tposition[" << i << "]: " << blendPositions[i]);
+                    }
+
+                    for (sal_uInt32 i = 0; i < blendPoints; i++)
+                    {
+                        s.ReadFloat(blendFactors[i]);
+                        SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tFactor[" << i << "]: " << blendFactors[i]);
+                    }
+                }
+
+                if (additionalFlags & 0x04) // BrushDataPresetColors
+                {
+                    s.ReadUInt32(colorblendPoints);
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tUse color blend, points: " << colorblendPoints);
+                    colorblendPositions.reset( new float[colorblendPoints] );
+                    colorblendColors.reset( new ::Color[colorblendPoints] );
+
+                    for (sal_uInt32 i = 0; i < colorblendPoints; i++)
+                    {
+                        s.ReadFloat(colorblendPositions[i]);
+                        SAL_INFO("drawinglayer.emf", "EMF+\tposition[" << i << "]: " << colorblendPositions[i]);
+                    }
+
+                    for (sal_uInt32 i = 0; i < colorblendPoints; i++)
+                    {
+                        s.ReadUInt32(color);
+                        colorblendColors[i] = ::Color(ColorAlpha, (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
+                        SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tColor[" << i << "]: 0x" << std::hex << color << std::dec);
+                    }
+                }
+
+                break;
+            }
+            case BrushTypeLinearGradient:
+            {
+                s.ReadUInt32(additionalFlags).ReadInt32(wrapMode);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tLinear gradient, additional flags: 0x" << std::hex << additionalFlags << std::dec << ", wrapMode: " << wrapMode);
+                s.ReadFloat(firstPointX).ReadFloat(firstPointY).ReadFloat(aWidth).ReadFloat(aHeight);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tFirst gradient point: " << firstPointX << ":" << firstPointY
+                                         << ", size " << aWidth << "x" << aHeight);
+                sal_uInt32 color;
+                s.ReadUInt32(color);
+                solidColor = ::Color(ColorAlpha, (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tfirst color: 0x" << std::hex << color << std::dec);
+                s.ReadUInt32(color);
+                secondColor = ::Color(ColorAlpha, (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
+                SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tsecond color: 0x" << std::hex << color << std::dec);
+
+                // repeated colors, unknown meaning, see http://www.aces.uiuc.edu/~jhtodd/Metafile/MetafileRecords/ObjectBrush.html
+                s.ReadUInt32(color);
+                s.ReadUInt32(color);
+
+                if (additionalFlags & 0x02) //BrushDataTransform
+                {
+                    EmfPlusHelperData::readXForm(s, brush_transformation);
+                    hasTransformation = true;
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tUse brush transformation: " << brush_transformation);
+                }
+                // BrushDataPresetColors and BrushDataBlendFactorsH
+                if ((additionalFlags & 0x04) && (additionalFlags & 0x08))
+                {
+                    SAL_WARN("drawinglayer.emf", "EMF+\t Brush must not contain both BrushDataPresetColors and BrushDataBlendFactorsH");
+                    return;
+                }
+
+                if (additionalFlags & 0x08) // BrushDataBlendFactorsH
+                {
+                    s.ReadUInt32(blendPoints);
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tUse blend, points: " << blendPoints);
+                    blendPositions.reset( new float[2 * blendPoints] );
+                    blendFactors = blendPositions.get() + blendPoints;
+
+                    for (sal_uInt32 i = 0; i < blendPoints; i++)
+                    {
+                        s.ReadFloat(blendPositions[i]);
+                        SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tPosition[" << i << "]: " << blendPositions[i]);
+                    }
+
+                    for (sal_uInt32 i = 0; i < blendPoints; i++)
+                    {
+                        s.ReadFloat(blendFactors[i]);
+                        SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tFactor[" << i << "]: " << blendFactors[i]);
+                    }
+                }
+
+                if (additionalFlags & 0x04)
+                {
+                    s.ReadUInt32(colorblendPoints);
+                    SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tUse color blend, points: " << colorblendPoints);
+                    colorblendPositions.reset( new float[colorblendPoints] );
+                    colorblendColors.reset( new ::Color[colorblendPoints] );
+
+                    for (sal_uInt32 i = 0; i < colorblendPoints; i++)
+                    {
+                        s.ReadFloat(colorblendPositions[i]);
+                        SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tPosition[" << i << "]: " << colorblendPositions[i]);
+                    }
+
+                    for (sal_uInt32 i = 0; i < colorblendPoints; i++)
+                    {
+                        s.ReadUInt32(color);
+                        colorblendColors[i] = ::Color(ColorAlpha, (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff);
+                        SAL_INFO("drawinglayer.emf", "EMF+\t\t\t\tColor[" << i << "]: 0x" << std::hex << color << std::dec);
+                    }
+                }
+
+                break;
+            }
+            default:
+            {
+                SAL_WARN("drawinglayer.emf", "EMF+\tunhandled brush type: " << std::hex << type << std::dec);
+            }
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */