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Diffstat (limited to '')
| -rw-r--r-- | drawinglayer/source/tools/emfpbrush.cxx | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/drawinglayer/source/tools/emfpbrush.cxx b/drawinglayer/source/tools/emfpbrush.cxx new file mode 100644 index 000000000..ca0c27b23 --- /dev/null +++ b/drawinglayer/source/tools/emfpbrush.cxx @@ -0,0 +1,336 @@ +/* -*- 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+\t\t\tHeader: 0x" << std::hex << header); + SAL_INFO("drawinglayer", "EMF+\t\t\tType: " << BrushTypeToString(type) << "(0x" << type << ")" << std::dec); + + switch (type) + { + case BrushTypeSolidColor: + { + sal_uInt32 color; + s.ReadUInt32(color); + + solidColor = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff); + SAL_INFO("drawinglayer", "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(0xff - (foregroundColor >> 24), (foregroundColor >> 16) & 0xff, (foregroundColor >> 8) & 0xff, foregroundColor & 0xff); + secondColor = ::Color(0xff - (backgroundColor >> 24), (backgroundColor >> 16) & 0xff, (backgroundColor >> 8) & 0xff, backgroundColor & 0xff); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tHatch style: 0x" << std::hex << style); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tForeground color: 0x" << solidColor.AsRGBHexString()); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tBackground color: 0x" << secondColor.AsRGBHexString()); + break; + } + case BrushTypeTextureFill: + { + SAL_WARN("drawinglayer", "EMF+\tTODO: implement BrushTypeTextureFill brush"); + break; + } + case BrushTypePathGradient: + { + s.ReadUInt32(additionalFlags).ReadInt32(wrapMode); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tAdditional flags: 0x" << std::hex << additionalFlags << std::dec); + sal_uInt32 color; + s.ReadUInt32(color); + solidColor = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tCenter color: 0x" << std::hex << color << std::dec); + s.ReadFloat(firstPointX).ReadFloat(firstPointY); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tCenter point: " << firstPointX << "," << firstPointY); + s.ReadInt32(surroundColorsNumber); + SAL_INFO("drawinglayer", "EMF+\t\t\t\t number of surround colors: " << surroundColorsNumber); + + if (surroundColorsNumber<0 || o3tl::make_unsigned(surroundColorsNumber)>SAL_MAX_INT32 / sizeof(::Color)) + { + surroundColorsNumber = SAL_MAX_INT32 / sizeof(::Color); + } + + surroundColors.reset( new ::Color[surroundColorsNumber] ); + + for (int i = 0; i < surroundColorsNumber; i++) + { + s.ReadUInt32(color); + surroundColors[i] = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff); + if (i == 0) + secondColor = surroundColors[0]; + SAL_INFO("drawinglayer", "EMF+\t\t\t\tSurround color[" << i << "]: 0x" << std::hex << color << std::dec); + } + + if (additionalFlags & 0x01) + { + sal_Int32 pathLength; + + s.ReadInt32(pathLength); + SAL_INFO("drawinglayer", "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+\t\t\t\tPath (brush path gradient)"); + SAL_INFO("drawinglayer", "EMF+\t\t\t\t\tHeader: 0x" << std::hex << pathHeader); + SAL_INFO("drawinglayer", "EMF+\t\t\t\t\tPoints: " << std::dec << pathPoints); + SAL_INFO("drawinglayer", "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+\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+\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+\t\t\t\tPolygon bounding box: " << aBounds.getMinX() << "," << aBounds.getMinY() << " " + << aBounds.getWidth() << "x" << aBounds.getHeight()); + } + + if (additionalFlags & 0x02) + { + EmfPlusHelperData::readXForm(s, brush_transformation); + hasTransformation = true; + SAL_INFO("drawinglayer", "EMF+\t\t\t\tUse brush transformation: " << brush_transformation); + } + + if (additionalFlags & 0x08) + { + s.ReadInt32(blendPoints); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tuse blend, points: " << blendPoints); + if (blendPoints<0 || o3tl::make_unsigned(blendPoints)>SAL_MAX_INT32 / (2 * sizeof(float))) + blendPoints = SAL_MAX_INT32 / (2 * sizeof(float)); + blendPositions.reset( new float[2 * blendPoints] ); + blendFactors = blendPositions.get() + blendPoints; + + for (int i = 0; i < blendPoints; i++) + { + s.ReadFloat(blendPositions[i]); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tposition[" << i << "]: " << blendPositions[i]); + } + + for (int i = 0; i < blendPoints; i++) + { + s.ReadFloat(blendFactors[i]); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tFactor[" << i << "]: " << blendFactors[i]); + } + } + + if (additionalFlags & 0x04) + { + s.ReadInt32(colorblendPoints); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tUse color blend, points: " << colorblendPoints); + + if (colorblendPoints<0 || o3tl::make_unsigned(colorblendPoints)>SAL_MAX_INT32 / sizeof(float)) + { + colorblendPoints = SAL_MAX_INT32 / sizeof(float); + } + + if (o3tl::make_unsigned(colorblendPoints) > SAL_MAX_INT32 / sizeof(::Color)) + { + colorblendPoints = SAL_MAX_INT32 / sizeof(::Color); + } + + colorblendPositions.reset( new float[colorblendPoints] ); + colorblendColors.reset( new ::Color[colorblendPoints] ); + + for (int i = 0; i < colorblendPoints; i++) + { + s.ReadFloat(colorblendPositions[i]); + SAL_INFO("drawinglayer", "EMF+\tposition[" << i << "]: " << colorblendPositions[i]); + } + + for (int i = 0; i < colorblendPoints; i++) + { + s.ReadUInt32(color); + colorblendColors[i] = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tColor[" << i << "]: 0x" << std::hex << color << std::dec); + } + } + + break; + } + case BrushTypeLinearGradient: + { + s.ReadUInt32(additionalFlags).ReadInt32(wrapMode); + SAL_INFO("drawinglayer", "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+\t\t\t\tFirst gradient point: " << firstPointX << ":" << firstPointY + << ", size " << aWidth << "x" << aHeight); + sal_uInt32 color; + s.ReadUInt32(color); + solidColor = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tfirst color: 0x" << std::hex << color << std::dec); + s.ReadUInt32(color); + secondColor = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff); + SAL_INFO("drawinglayer", "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) + { + EmfPlusHelperData::readXForm(s, brush_transformation); + hasTransformation = true; + SAL_INFO("drawinglayer", "EMF+\t\t\t\tUse brush transformation: " << brush_transformation); + } + + if (additionalFlags & 0x08) + { + s.ReadInt32(blendPoints); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tUse blend, points: " << blendPoints); + if (blendPoints<0 || o3tl::make_unsigned(blendPoints)>SAL_MAX_INT32 / (2 * sizeof(float))) + blendPoints = SAL_MAX_INT32 / (2 * sizeof(float)); + blendPositions.reset( new float[2 * blendPoints] ); + blendFactors = blendPositions.get() + blendPoints; + + for (int i = 0; i < blendPoints; i++) + { + s.ReadFloat(blendPositions[i]); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tPosition[" << i << "]: " << blendPositions[i]); + } + + for (int i = 0; i < blendPoints; i++) + { + s.ReadFloat(blendFactors[i]); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tFactor[" << i << "]: " << blendFactors[i]); + } + } + + if (additionalFlags & 0x04) + { + s.ReadInt32(colorblendPoints); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tUse color blend, points: " << colorblendPoints); + + if (colorblendPoints<0 || o3tl::make_unsigned(colorblendPoints)>SAL_MAX_INT32 / sizeof(float)) + { + colorblendPoints = SAL_MAX_INT32 / sizeof(float); + } + + if (o3tl::make_unsigned(colorblendPoints) > SAL_MAX_INT32 / sizeof(::Color)) + { + colorblendPoints = sal_uInt32(SAL_MAX_INT32) / sizeof(::Color); + } + + colorblendPositions.reset( new float[colorblendPoints] ); + colorblendColors.reset( new ::Color[colorblendPoints] ); + + for (int i = 0; i < colorblendPoints; i++) + { + s.ReadFloat(colorblendPositions[i]); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tPosition[" << i << "]: " << colorblendPositions[i]); + } + + for (int i = 0; i < colorblendPoints; i++) + { + s.ReadUInt32(color); + colorblendColors[i] = ::Color(0xff - (color >> 24), (color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff); + SAL_INFO("drawinglayer", "EMF+\t\t\t\tColor[" << i << "]: 0x" << std::hex << color << std::dec); + } + } + + break; + } + default: + { + SAL_WARN("drawinglayer", "EMF+\tunhandled brush type: " << std::hex << type << std::dec); + } + } + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |