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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /drawinglayer/source/tools/emfpbrush.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--drawinglayer/source/tools/emfpbrush.cxx317
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
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+/* -*- 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: */