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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: */
|
