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emfphelperdata.cxx
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emfphelperdata.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 "emfpcustomlinecap.hxx"
#include "emfphelperdata.hxx"
#include "emfpbrush.hxx"
#include "emfppen.hxx"
#include "emfppath.hxx"
#include "emfpregion.hxx"
#include "emfpimage.hxx"
#include "emfpimageattributes.hxx"
#include "emfpfont.hxx"
#include "emfpstringformat.hxx"
#include <basegfx/curve/b2dcubicbezier.hxx>
#include <wmfemfhelper.hxx>
#include <drawinglayer/primitive2d/PolygonStrokeArrowPrimitive2D.hxx>
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/PolyPolygonStrokePrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
#include <drawinglayer/primitive2d/svggradientprimitive2d.hxx>
#include <drawinglayer/primitive2d/textdecoratedprimitive2d.hxx>
#include <drawinglayer/primitive2d/textlayoutdevice.hxx>
#include <drawinglayer/primitive2d/textprimitive2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/attribute/fontattribute.hxx>
#include <basegfx/color/bcolor.hxx>
#include <basegfx/color/bcolormodifier.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <basegfx/polygon/b2dpolygonclipper.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
#include <sal/log.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <algorithm>
namespace emfplushelper
{
enum
{
WrapModeTile = 0x00000000,
WrapModeTileFlipX = 0x00000001,
WrapModeTileFlipY = 0x00000002,
WrapModeTileFlipXY = 0x00000003,
WrapModeClamp = 0x00000004
};
const char* emfTypeToName(sal_uInt16 type)
{
switch (type)
{
case EmfPlusRecordTypeHeader: return "EmfPlusRecordTypeHeader";
case EmfPlusRecordTypeEndOfFile: return "EmfPlusRecordTypeEndOfFile";
case EmfPlusRecordTypeComment: return "EmfPlusRecordTypeComment";
case EmfPlusRecordTypeGetDC: return "EmfPlusRecordTypeGetDC";
case EmfPlusRecordTypeObject: return "EmfPlusRecordTypeObject";
case EmfPlusRecordTypeFillRects: return "EmfPlusRecordTypeFillRects";
case EmfPlusRecordTypeDrawRects: return "EmfPlusRecordTypeDrawRects";
case EmfPlusRecordTypeFillPolygon: return "EmfPlusRecordTypeFillPolygon";
case EmfPlusRecordTypeDrawLines: return "EmfPlusRecordTypeDrawLines";
case EmfPlusRecordTypeFillClosedCurve: return "EmfPlusRecordTypeFillClosedCurve";
case EmfPlusRecordTypeDrawClosedCurve: return "EmfPlusRecordTypeDrawClosedCurve";
case EmfPlusRecordTypeDrawCurve: return "EmfPlusRecordTypeDrawCurve";
case EmfPlusRecordTypeFillEllipse: return "EmfPlusRecordTypeFillEllipse";
case EmfPlusRecordTypeDrawEllipse: return "EmfPlusRecordTypeDrawEllipse";
case EmfPlusRecordTypeFillPie: return "EmfPlusRecordTypeFillPie";
case EmfPlusRecordTypeDrawPie: return "EmfPlusRecordTypeDrawPie";
case EmfPlusRecordTypeDrawArc: return "EmfPlusRecordTypeDrawArc";
case EmfPlusRecordTypeFillRegion: return "EmfPlusRecordTypeFillRegion";
case EmfPlusRecordTypeFillPath: return "EmfPlusRecordTypeFillPath";
case EmfPlusRecordTypeDrawPath: return "EmfPlusRecordTypeDrawPath";
case EmfPlusRecordTypeDrawBeziers: return "EmfPlusRecordTypeDrawBeziers";
case EmfPlusRecordTypeDrawImage: return "EmfPlusRecordTypeDrawImage";
case EmfPlusRecordTypeDrawImagePoints: return "EmfPlusRecordTypeDrawImagePoints";
case EmfPlusRecordTypeDrawString: return "EmfPlusRecordTypeDrawString";
case EmfPlusRecordTypeSetRenderingOrigin: return "EmfPlusRecordTypeSetRenderingOrigin";
case EmfPlusRecordTypeSetAntiAliasMode: return "EmfPlusRecordTypeSetAntiAliasMode";
case EmfPlusRecordTypeSetTextRenderingHint: return "EmfPlusRecordTypeSetTextRenderingHint";
case EmfPlusRecordTypeSetTextContrast: return "EmfPlusRecordTypeSetTextContrast";
case EmfPlusRecordTypeSetInterpolationMode: return "EmfPlusRecordTypeSetInterpolationMode";
case EmfPlusRecordTypeSetPixelOffsetMode: return "EmfPlusRecordTypeSetPixelOffsetMode";
case EmfPlusRecordTypeSetCompositingQuality: return "EmfPlusRecordTypeSetCompositingQuality";
case EmfPlusRecordTypeSave: return "EmfPlusRecordTypeSave";
case EmfPlusRecordTypeRestore: return "EmfPlusRecordTypeRestore";
case EmfPlusRecordTypeBeginContainer: return "EmfPlusRecordTypeBeginContainer";
case EmfPlusRecordTypeBeginContainerNoParams: return "EmfPlusRecordTypeBeginContainerNoParams";
case EmfPlusRecordTypeEndContainer: return "EmfPlusRecordTypeEndContainer";
case EmfPlusRecordTypeSetWorldTransform: return "EmfPlusRecordTypeSetWorldTransform";
case EmfPlusRecordTypeResetWorldTransform: return "EmfPlusRecordTypeResetWorldTransform";
case EmfPlusRecordTypeMultiplyWorldTransform: return "EmfPlusRecordTypeMultiplyWorldTransform";
case EmfPlusRecordTypeTranslateWorldTransform: return "EmfPlusRecordTypeTranslateWorldTransform";
case EmfPlusRecordTypeScaleWorldTransform: return "EmfPlusRecordTypeScaleWorldTransform";
case EmfPlusRecordTypeSetPageTransform: return "EmfPlusRecordTypeSetPageTransform";
case EmfPlusRecordTypeResetClip: return "EmfPlusRecordTypeResetClip";
case EmfPlusRecordTypeSetClipRect: return "EmfPlusRecordTypeSetClipRect";
case EmfPlusRecordTypeSetClipPath: return "EmfPlusRecordTypeSetClipPath";
case EmfPlusRecordTypeSetClipRegion: return "EmfPlusRecordTypeSetClipRegion";
case EmfPlusRecordTypeOffsetClip: return "EmfPlusRecordTypeOffsetClip";
case EmfPlusRecordTypeDrawDriverString: return "EmfPlusRecordTypeDrawDriverString";
}
return "";
}
static OUString emfObjectToName(sal_uInt16 type)
{
switch (type)
{
case EmfPlusObjectTypeBrush: return u"EmfPlusObjectTypeBrush"_ustr;
case EmfPlusObjectTypePen: return u"EmfPlusObjectTypePen"_ustr;
case EmfPlusObjectTypePath: return u"EmfPlusObjectTypePath"_ustr;
case EmfPlusObjectTypeRegion: return u"EmfPlusObjectTypeRegion"_ustr;
case EmfPlusObjectTypeImage: return u"EmfPlusObjectTypeImage"_ustr;
case EmfPlusObjectTypeFont: return u"EmfPlusObjectTypeFont"_ustr;
case EmfPlusObjectTypeStringFormat: return u"EmfPlusObjectTypeStringFormat"_ustr;
case EmfPlusObjectTypeImageAttributes: return u"EmfPlusObjectTypeImageAttributes"_ustr;
case EmfPlusObjectTypeCustomLineCap: return u"EmfPlusObjectTypeCustomLineCap"_ustr;
}
return u""_ustr;
}
static OUString PixelOffsetModeToString(sal_uInt16 nPixelOffset)
{
switch (nPixelOffset)
{
case PixelOffsetMode::PixelOffsetModeDefault: return u"PixelOffsetModeDefault"_ustr;
case PixelOffsetMode::PixelOffsetModeHighSpeed: return u"PixelOffsetModeHighSpeed"_ustr;
case PixelOffsetMode::PixelOffsetModeHighQuality: return u"PixelOffsetModeHighQuality"_ustr;
case PixelOffsetMode::PixelOffsetModeNone: return u"PixelOffsetModeNone"_ustr;
case PixelOffsetMode::PixelOffsetModeHalf: return u"PixelOffsetModeHalf"_ustr;
}
return u""_ustr;
}
static OUString SmoothingModeToString(sal_uInt16 nSmoothMode)
{
switch (nSmoothMode)
{
case SmoothingMode::SmoothingModeDefault: return u"SmoothingModeDefault"_ustr;
case SmoothingMode::SmoothingModeHighSpeed: return u"SmoothModeHighSpeed"_ustr;
case SmoothingMode::SmoothingModeHighQuality: return u"SmoothingModeHighQuality"_ustr;
case SmoothingMode::SmoothingModeNone: return u"SmoothingModeNone"_ustr;
case SmoothingMode::SmoothingModeAntiAlias8x4: return u"SmoothingModeAntiAlias8x4"_ustr;
case SmoothingMode::SmoothingModeAntiAlias8x8: return u"SmoothingModeAntiAlias8x8"_ustr;
}
return u""_ustr;
}
static OUString TextRenderingHintToString(sal_uInt16 nHint)
{
switch (nHint)
{
case TextRenderingHint::TextRenderingHintSystemDefault: return u"TextRenderingHintSystemDefault"_ustr;
case TextRenderingHint::TextRenderingHintSingleBitPerPixelGridFit: return u"TextRenderingHintSingleBitPerPixelGridFit"_ustr;
case TextRenderingHint::TextRenderingHintSingleBitPerPixel: return u"TextRenderingHintSingleBitPerPixel"_ustr;
case TextRenderingHint::TextRenderingHintAntialiasGridFit: return u"TextRenderingHintAntialiasGridFit"_ustr;
case TextRenderingHint::TextRenderingHintAntialias: return u"TextRenderingHintAntialias"_ustr;
case TextRenderingHint::TextRenderingHintClearTypeGridFit: return u"TextRenderingHintClearTypeGridFit"_ustr;
}
return u""_ustr;
}
static OUString InterpolationModeToString(sal_uInt16 nMode)
{
switch (nMode)
{
case InterpolationMode::InterpolationModeDefault: return u"InterpolationModeDefault"_ustr;
case InterpolationMode::InterpolationModeLowQuality: return u"InterpolationModeLowQuality"_ustr;
case InterpolationMode::InterpolationModeHighQuality: return u"InterpolationModeHighQuality"_ustr;
case InterpolationMode::InterpolationModeBilinear: return u"InterpolationModeBilinear"_ustr;
case InterpolationMode::InterpolationModeBicubic: return u"InterpolationModeBicubic"_ustr;
case InterpolationMode::InterpolationModeNearestNeighbor: return u"InterpolationModeNearestNeighbor"_ustr;
case InterpolationMode::InterpolationModeHighQualityBilinear: return u"InterpolationModeHighQualityBilinear"_ustr;
case InterpolationMode::InterpolationModeHighQualityBicubic: return u"InterpolationModeHighQualityBicubic"_ustr;
}
return u""_ustr;
}
OUString UnitTypeToString(sal_uInt16 nType)
{
switch (nType)
{
case UnitTypeWorld: return u"UnitTypeWorld"_ustr;
case UnitTypeDisplay: return u"UnitTypeDisplay"_ustr;
case UnitTypePixel: return u"UnitTypePixel"_ustr;
case UnitTypePoint: return u"UnitTypePoint"_ustr;
case UnitTypeInch: return u"UnitTypeInch"_ustr;
case UnitTypeDocument: return u"UnitTypeDocument"_ustr;
case UnitTypeMillimeter: return u"UnitTypeMillimeter"_ustr;
}
return u""_ustr;
}
static bool IsBrush(sal_uInt16 flags)
{
return (!((flags >> 15) & 0x0001));
}
static OUString BrushIDToString(sal_uInt16 flags, sal_uInt32 brushid)
{
if (IsBrush(flags))
return "EmfPlusBrush ID: " + OUString::number(brushid);
else
return "ARGB: 0x" + OUString::number(brushid, 16);
}
EMFPObject::~EMFPObject()
{
}
double EmfPlusHelperData::unitToPixel(double n, sal_uInt32 aUnitType, Direction d)
{
switch (static_cast<UnitType>(aUnitType))
{
case UnitTypePixel:
return n;
case UnitTypePoint:
return o3tl::convert(n, o3tl::Length::pt, o3tl::Length::in) * DPI(d);
case UnitTypeInch:
return n * DPI(d);
case UnitTypeMillimeter:
return o3tl::convert(n, o3tl::Length::mm, o3tl::Length::in) * DPI(d);
case UnitTypeDocument:
return n * DPI(d) / 300.0;
case UnitTypeWorld:
case UnitTypeDisplay:
SAL_WARN("drawinglayer.emf", "EMF+\t Converting to World/Display.");
return n;
default:
SAL_WARN("drawinglayer.emf", "EMF+\tTODO Unimplemented support of Unit Type: 0x" << std::hex << aUnitType);
return n;
}
}
void EmfPlusHelperData::processObjectRecord(SvMemoryStream& rObjectStream, sal_uInt16 flags, sal_uInt32 dataSize, bool bUseWholeStream)
{
sal_uInt16 objecttype = flags & 0x7f00;
sal_uInt16 index = flags & 0xff;
SAL_INFO("drawinglayer.emf", "EMF+ Object: " << emfObjectToName(objecttype) << " (0x" << objecttype << ")");
SAL_INFO("drawinglayer.emf", "EMF+\tObject slot: " << index);
SAL_INFO("drawinglayer.emf", "EMF+\tFlags: " << (flags & 0xff00));
switch (objecttype)
{
case EmfPlusObjectTypeBrush:
{
EMFPBrush *brush = new EMFPBrush();
maEMFPObjects[index].reset(brush);
brush->Read(rObjectStream, *this);
break;
}
case EmfPlusObjectTypePen:
{
EMFPPen *pen = new EMFPPen();
maEMFPObjects[index].reset(pen);
pen->Read(rObjectStream, *this);
pen->penWidth = unitToPixel(pen->penWidth, pen->penUnit, Direction::horizontal);
break;
}
case EmfPlusObjectTypePath:
{
sal_uInt32 aVersion, aPathPointCount, aPathPointFlags;
rObjectStream.ReadUInt32(aVersion).ReadUInt32(aPathPointCount).ReadUInt32(aPathPointFlags);
SAL_INFO("drawinglayer.emf", "EMF+\t\tVersion: 0x" << std::hex << aVersion);
SAL_INFO("drawinglayer.emf", "EMF+\t\tNumber of points: " << std::dec << aPathPointCount);
SAL_INFO("drawinglayer.emf", "EMF+\t\tPath point flags: 0x" << std::hex << aPathPointFlags << std::dec);
EMFPPath *path = new EMFPPath(aPathPointCount);
maEMFPObjects[index].reset(path);
path->Read(rObjectStream, aPathPointFlags);
break;
}
case EmfPlusObjectTypeRegion:
{
EMFPRegion *region = new EMFPRegion();
maEMFPObjects[index].reset(region);
region->ReadRegion(rObjectStream, *this);
break;
}
case EmfPlusObjectTypeImage:
{
EMFPImage *image = new EMFPImage;
maEMFPObjects[index].reset(image);
image->type = 0;
image->width = 0;
image->height = 0;
image->stride = 0;
image->pixelFormat = 0;
image->Read(rObjectStream, dataSize, bUseWholeStream);
break;
}
case EmfPlusObjectTypeFont:
{
EMFPFont *font = new EMFPFont;
maEMFPObjects[index].reset(font);
font->emSize = 0;
font->sizeUnit = 0;
font->fontFlags = 0;
font->Read(rObjectStream);
// tdf#113624 Convert unit to Pixels
font->emSize = unitToPixel(font->emSize, font->sizeUnit, Direction::horizontal);
break;
}
case EmfPlusObjectTypeStringFormat:
{
EMFPStringFormat *stringFormat = new EMFPStringFormat();
maEMFPObjects[index].reset(stringFormat);
stringFormat->Read(rObjectStream);
break;
}
case EmfPlusObjectTypeImageAttributes:
{
EMFPImageAttributes *imageAttributes = new EMFPImageAttributes();
maEMFPObjects[index].reset(imageAttributes);
imageAttributes->Read(rObjectStream);
break;
}
case EmfPlusObjectTypeCustomLineCap:
{
SAL_WARN("drawinglayer.emf", "EMF+\t TODO Object type 'custom line cap' not yet implemented");
break;
}
default:
{
SAL_WARN("drawinglayer.emf", "EMF+\t TODO Object unhandled flags: 0x" << std::hex << (flags & 0xff00) << std::dec);
}
}
}
void EmfPlusHelperData::ReadPoint(SvStream& s, float& x, float& y, sal_uInt32 flags)
{
if (flags & 0x800)
{
// specifies a location in the coordinate space that is relative to
// the location specified by the previous element in the array. In the case of the first element in
// PointData, a previous location at coordinates (0,0) is assumed.
SAL_WARN("drawinglayer.emf", "EMF+\t\t TODO Relative coordinates bit detected. Implement parse EMFPlusPointR");
}
if (flags & 0x4000)
{
sal_Int16 ix, iy;
s.ReadInt16(ix).ReadInt16(iy);
x = ix;
y = iy;
}
else
{
s.ReadFloat(x).ReadFloat(y);
}
}
void EmfPlusHelperData::ReadRectangle(SvStream& s, float& x, float& y, float &width, float& height, bool bCompressed)
{
if (bCompressed)
{
sal_Int16 ix, iy, iw, ih;
s.ReadInt16(ix).ReadInt16(iy).ReadInt16(iw).ReadInt16(ih);
x = ix;
y = iy;
width = iw;
height = ih;
}
else
{
s.ReadFloat(x).ReadFloat(y).ReadFloat(width).ReadFloat(height);
}
}
bool EmfPlusHelperData::readXForm(SvStream& rIn, basegfx::B2DHomMatrix& rTarget)
{
rTarget.identity();
if (sizeof(float) != 4)
{
OSL_FAIL("EnhWMFReader::sizeof( float ) != 4");
return false;
}
else
{
float eM11(0.0);
float eM12(0.0);
float eM21(0.0);
float eM22(0.0);
float eDx(0.0);
float eDy(0.0);
rIn.ReadFloat(eM11).ReadFloat(eM12).ReadFloat(eM21).ReadFloat(eM22).ReadFloat(eDx).ReadFloat(eDy);
rTarget = basegfx::B2DHomMatrix(
eM11, eM21, eDx,
eM12, eM22, eDy);
}
return true;
}
void EmfPlusHelperData::mappingChanged()
{
if (mnPixX == 0 || mnPixY == 0)
{
SAL_WARN("drawinglayer.emf", "dimensions in pixels is 0");
return;
}
// Call when mnMmX/mnMmY/mnPixX/mnPixY/mnFrameLeft/mnFrameTop/maWorldTransform/ changes.
// Currently not used are mnHDPI/mnVDPI/mnFrameRight/mnFrameBottom. *If* these should
// be used in the future, this method will need to be called.
//
// Re-calculate maMapTransform to contain the complete former transformation so that
// it can be applied by a single matrix multiplication or be added to an encapsulated
// primitive later
//
// To evtl. correct and see where this came from, please compare with the implementations
// of EmfPlusHelperData::MapToDevice and EmfPlusHelperData::Map* in prev versions
maMapTransform = maWorldTransform;
maMapTransform *= basegfx::utils::createScaleTranslateB2DHomMatrix(100.0 * mnMmX / mnPixX, 100.0 * mnMmY / mnPixY,
double(-mnFrameLeft), double(-mnFrameTop));
maMapTransform *= maBaseTransform;
// Used only for performance optimization, to do not calculate it every line draw
mdExtractedXScale = std::hypot(maMapTransform.a(), maMapTransform.b());
mdExtractedYScale = std::hypot(maMapTransform.c(), maMapTransform.d());
}
::basegfx::B2DPoint EmfPlusHelperData::Map(double ix, double iy) const
{
// map in one step using complete MapTransform (see mappingChanged)
return maMapTransform * ::basegfx::B2DPoint(ix, iy);
}
Color EmfPlusHelperData::EMFPGetBrushColorOrARGBColor(const sal_uInt16 flags, const sal_uInt32 brushIndexOrColor) const {
Color color;
if (flags & 0x8000) // we use a color
{
color = Color(ColorAlpha, (brushIndexOrColor >> 24), (brushIndexOrColor >> 16) & 0xff,
(brushIndexOrColor >> 8) & 0xff, brushIndexOrColor & 0xff);
}
else // we use a brush
{
const EMFPBrush* brush = dynamic_cast<EMFPBrush*>(maEMFPObjects[brushIndexOrColor & 0xff].get());
if (brush)
{
color = brush->GetColor();
if (brush->type != BrushTypeSolidColor)
SAL_WARN("drawinglayer.emf", "EMF+\t\t TODO Brush other than solid color is not supported");
}
}
return color;
}
void EmfPlusHelperData::GraphicStatePush(GraphicStateMap& map, sal_Int32 index)
{
GraphicStateMap::iterator iter = map.find( index );
if ( iter != map.end() )
{
map.erase( iter );
SAL_INFO("drawinglayer.emf", "EMF+\t\tStack index: " << index << " found and erased");
}
wmfemfhelper::PropertyHolder state = mrPropertyHolders.Current();
// tdf#112500 We need to save world transform somehow, during graphic state push
state.setTransformation(maWorldTransform);
map[ index ] = state;
}
void EmfPlusHelperData::GraphicStatePop(GraphicStateMap& map, sal_Int32 index)
{
GraphicStateMap::iterator iter = map.find(index);
if (iter != map.end())
{
wmfemfhelper::PropertyHolder state = iter->second;
maWorldTransform = state.getTransformation();
if (state.getClipPolyPolygonActive())
{
SAL_INFO("drawinglayer.emf",
"EMF+\t Restore clipping region to saved in index: " << index);
wmfemfhelper::HandleNewClipRegion(state.getClipPolyPolygon(), mrTargetHolders,
mrPropertyHolders);
}
else
{
SAL_INFO("drawinglayer.emf", "EMF+\t Disable clipping");
wmfemfhelper::HandleNewClipRegion(::basegfx::B2DPolyPolygon(), mrTargetHolders,
mrPropertyHolders);
}
mappingChanged();
SAL_INFO("drawinglayer.emf",
"EMF+\t\tStack index: " << index
<< " found, maWorldTransform: " << maWorldTransform);
}
}
drawinglayer::attribute::LineStartEndAttribute
EmfPlusHelperData::CreateLineEnd(const sal_Int32 aCap, const float aPenWidth) const
{
const double pw = mdExtractedYScale * aPenWidth;
if (aCap == LineCapTypeSquare)
{
basegfx::B2DPolygon aCapPolygon(
{ {-1.0, -1.0}, {1.0, -1.0}, {1.0, 1.0}, {-1.0, 1.0} });
aCapPolygon.setClosed(true);
return drawinglayer::attribute::LineStartEndAttribute(
pw, basegfx::B2DPolyPolygon(aCapPolygon), true);
}
else if (aCap == LineCapTypeRound)
{
basegfx::B2DPolygon aCapPolygon(
{ {-1.0, 1.0}, {1.0, 1.0}, {1.0, 0.0}, {0.9236, -0.3827},
{0.7071, -0.7071}, {0.3827, -0.9236}, {0.0, -1.0}, {-0.3827, -0.9236},
{-0.7071, -0.7071}, {-0.9236, -0.3827}, {-1.0, 0.0} });
aCapPolygon.setClosed(true);
return drawinglayer::attribute::LineStartEndAttribute(
pw, basegfx::B2DPolyPolygon(aCapPolygon), true);
}
else if (aCap == LineCapTypeTriangle)
{
basegfx::B2DPolygon aCapPolygon(
{ {-1.0, 1.0}, {1.0, 1.0}, {1.0, 0.0}, {0.0, -1.0}, {-1.0, 0.0} });
aCapPolygon.setClosed(true);
return drawinglayer::attribute::LineStartEndAttribute(
pw, basegfx::B2DPolyPolygon(aCapPolygon), true);
}
else if (aCap == LineCapTypeSquareAnchor)
{
basegfx::B2DPolygon aCapPolygon(
{ {-1.0, -1.0}, {1.0, -1.0}, {1.0, 1.0}, {-1.0, 1.0} });
aCapPolygon.setClosed(true);
return drawinglayer::attribute::LineStartEndAttribute(
1.5 * pw, basegfx::B2DPolyPolygon(aCapPolygon), true);
}
else if (aCap == LineCapTypeRoundAnchor)
{
const basegfx::B2DPolygon aCapPolygon
= ::basegfx::utils::createPolygonFromEllipse(::basegfx::B2DPoint(0.0, 0.0), 1.0, 1.0);
return drawinglayer::attribute::LineStartEndAttribute(
2.0 * pw, basegfx::B2DPolyPolygon(aCapPolygon), true);
}
else if (aCap == LineCapTypeDiamondAnchor)
{
basegfx::B2DPolygon aCapPolygon({ {0.0, -1.0}, {1.0, 0.0}, {0.5, 0.5},
{0.5, 1.0}, {-0.5, 1.0}, {-0.5, 0.5},
{-1.0, 0.0} });
aCapPolygon.setClosed(true);
return drawinglayer::attribute::LineStartEndAttribute(
2.0 * pw, basegfx::B2DPolyPolygon(aCapPolygon), true);
}
else if (aCap == LineCapTypeArrowAnchor)
{
basegfx::B2DPolygon aCapPolygon({ {0.0, -1.0}, {1.0, 1.0}, {-1.0, 1.0} });
aCapPolygon.setClosed(true);
return drawinglayer::attribute::LineStartEndAttribute(
2.0 * pw, basegfx::B2DPolyPolygon(aCapPolygon), true);
}
return drawinglayer::attribute::LineStartEndAttribute();
}
void EmfPlusHelperData::EMFPPlusDrawPolygon(const ::basegfx::B2DPolyPolygon& polygon,
sal_uInt32 penIndex)
{
const EMFPPen* pen = dynamic_cast<EMFPPen*>(maEMFPObjects[penIndex & 0xff].get());
SAL_WARN_IF(!pen, "drawinglayer.emf", "emf+ missing pen");
if (!(pen && polygon.count()))
return;
const double transformedPenWidth = mdExtractedYScale * pen->penWidth;
drawinglayer::attribute::LineAttribute lineAttribute(
pen->GetColor().getBColor(), transformedPenWidth, pen->maLineJoin,
css::drawing::LineCap_BUTT, //TODO implement PenDataDashedLineCap support here
pen->fMiterMinimumAngle);
drawinglayer::attribute::LineStartEndAttribute aStart;
if (pen->penDataFlags & EmfPlusPenDataStartCap)
{
if ((pen->penDataFlags & EmfPlusPenDataCustomStartCap)
&& (pen->customStartCap->polygon.begin()->count() > 1))
aStart = drawinglayer::attribute::LineStartEndAttribute(
pen->customStartCap->polygon.getB2DRange().getRange().getX() * mdExtractedXScale
* pen->customStartCap->widthScale * pen->penWidth,
pen->customStartCap->polygon, false);
else
aStart = EmfPlusHelperData::CreateLineEnd(pen->startCap, pen->penWidth);
}
drawinglayer::attribute::LineStartEndAttribute aEnd;
if (pen->penDataFlags & EmfPlusPenDataEndCap)
{
if ((pen->penDataFlags & EmfPlusPenDataCustomEndCap)
&& (pen->customEndCap->polygon.begin()->count() > 1))
aEnd = drawinglayer::attribute::LineStartEndAttribute(
pen->customEndCap->polygon.getB2DRange().getRange().getX() * mdExtractedXScale
* pen->customEndCap->widthScale * pen->penWidth,
pen->customEndCap->polygon, false);
else
aEnd = EmfPlusHelperData::CreateLineEnd(pen->endCap, pen->penWidth);
}
if (pen->GetColor().IsTransparent())
{
drawinglayer::primitive2d::Primitive2DContainer aContainer;
if (aStart.isDefault() && aEnd.isDefault())
aContainer.append(
new drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D(
polygon, lineAttribute, pen->GetStrokeAttribute(mdExtractedXScale)));
else
{
aContainer.resize(polygon.count());
for (sal_uInt32 i = 0; i < polygon.count(); i++)
aContainer[i] =
new drawinglayer::primitive2d::PolygonStrokeArrowPrimitive2D(
polygon.getB2DPolygon(i), lineAttribute,
pen->GetStrokeAttribute(mdExtractedXScale), aStart, aEnd);
}
mrTargetHolders.Current().append(
new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(
std::move(aContainer), (255 - pen->GetColor().GetAlpha()) / 255.0));
}
else
{
if (aStart.isDefault() && aEnd.isDefault())
mrTargetHolders.Current().append(
new drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D(
polygon, lineAttribute, pen->GetStrokeAttribute(mdExtractedXScale)));
else
for (sal_uInt32 i = 0; i < polygon.count(); i++)
{
mrTargetHolders.Current().append(
new drawinglayer::primitive2d::PolygonStrokeArrowPrimitive2D(
polygon.getB2DPolygon(i), lineAttribute,
pen->GetStrokeAttribute(mdExtractedXScale), aStart, aEnd));
}
}
mrPropertyHolders.Current().setLineColor(pen->GetColor().getBColor());
mrPropertyHolders.Current().setLineColorActive(true);
mrPropertyHolders.Current().setFillColorActive(false);
}
void EmfPlusHelperData::EMFPPlusFillPolygonSolidColor(const ::basegfx::B2DPolyPolygon& polygon, Color const& color)
{
if (color.GetAlpha() == 0)
return;
if (!color.IsTransparent())
{
// not transparent
mrTargetHolders.Current().append(
new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(
polygon,
color.getBColor()));
}
else
{
const drawinglayer::primitive2d::Primitive2DReference aPrimitive(
new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(
polygon,
color.getBColor()));
mrTargetHolders.Current().append(
new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(
drawinglayer::primitive2d::Primitive2DContainer { aPrimitive },
(255 - color.GetAlpha()) / 255.0));
}
}
void EmfPlusHelperData::EMFPPlusFillPolygon(const ::basegfx::B2DPolyPolygon& polygon, const bool isColor, const sal_uInt32 brushIndexOrColor)
{
if (!polygon.count())
return;
if (isColor) // use Color
{
SAL_INFO("drawinglayer.emf", "EMF+\t\t Fill polygon, ARGB color: 0x" << std::hex << brushIndexOrColor << std::dec);
// EMF Alpha (1 byte): An 8-bit unsigned integer that specifies the transparency of the background,
// ranging from 0 for completely transparent to 0xFF for completely opaque.
const Color color(ColorAlpha, (brushIndexOrColor >> 24), (brushIndexOrColor >> 16) & 0xff, (brushIndexOrColor >> 8) & 0xff, brushIndexOrColor & 0xff);
EMFPPlusFillPolygonSolidColor(polygon, color);
mrPropertyHolders.Current().setFillColor(color.getBColor());
mrPropertyHolders.Current().setFillColorActive(true);
mrPropertyHolders.Current().setLineColorActive(false);
}
else // use Brush
{
EMFPBrush* brush = dynamic_cast<EMFPBrush*>(maEMFPObjects[brushIndexOrColor & 0xff].get());
SAL_INFO("drawinglayer.emf", "EMF+\t\t Fill polygon, brush slot: " << brushIndexOrColor << " (brush type: " << (brush ? brush->GetType() : -1) << ")");
// give up in case something wrong happened
if( !brush )
return;
mrPropertyHolders.Current().setFillColorActive(false);
mrPropertyHolders.Current().setLineColorActive(false);
if (brush->type == BrushTypeSolidColor)
{
Color fillColor = brush->solidColor;
EMFPPlusFillPolygonSolidColor(polygon, fillColor);
}
else if (brush->type == BrushTypeHatchFill)
{
// EMF+ like hatching is currently not supported. These are just color blends which serve as an approximation for some of them
// for the others the hatch "background" color (secondColor in brush) is used.
bool isHatchBlend = true;
double blendFactor = 0.0;
switch (brush->hatchStyle)
{
case HatchStyle05Percent: blendFactor = 0.05; break;
case HatchStyle10Percent: blendFactor = 0.10; break;
case HatchStyle20Percent: blendFactor = 0.20; break;
case HatchStyle25Percent: blendFactor = 0.25; break;
case HatchStyle30Percent: blendFactor = 0.30; break;
case HatchStyle40Percent: blendFactor = 0.40; break;
case HatchStyle50Percent: blendFactor = 0.50; break;
case HatchStyle60Percent: blendFactor = 0.60; break;
case HatchStyle70Percent: blendFactor = 0.70; break;
case HatchStyle75Percent: blendFactor = 0.75; break;
case HatchStyle80Percent: blendFactor = 0.80; break;
case HatchStyle90Percent: blendFactor = 0.90; break;
default:
isHatchBlend = false;
break;
}
Color fillColor;
if (isHatchBlend)
{
fillColor = brush->solidColor;
fillColor.Merge(brush->secondColor, static_cast<sal_uInt8>(255 * blendFactor));
}
else
{
fillColor = brush->secondColor;
}
// temporal solution: create a solid colored polygon
// TODO create a 'real' hatching primitive
mrTargetHolders.Current().append(
new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(
polygon,
fillColor.getBColor()));
}
else if (brush->type == BrushTypeTextureFill)
{
SAL_WARN("drawinglayer.emf", "EMF+\tTODO: implement BrushTypeTextureFill brush");
}
else if (brush->type == BrushTypePathGradient || brush->type == BrushTypeLinearGradient)
{
if (brush->type == BrushTypePathGradient && !(brush->additionalFlags & 0x1))
{
SAL_WARN("drawinglayer.emf", "EMF+\t TODO Implement displaying BrushTypePathGradient with Boundary: ");
}
::basegfx::B2DHomMatrix aTextureTransformation;
if (brush->hasTransformation) {
aTextureTransformation = brush->brush_transformation;
// adjust aTextureTransformation for our world space:
// -> revert the mapping -> apply the transformation -> map back
basegfx::B2DHomMatrix aInvertedMapTrasform(maMapTransform);
aInvertedMapTrasform.invert();
aTextureTransformation = maMapTransform * aTextureTransformation * aInvertedMapTrasform;
}
// select the stored colors
const basegfx::BColor aStartColor = brush->solidColor.getBColor();
const basegfx::BColor aEndColor = brush->secondColor.getBColor();
drawinglayer::primitive2d::SvgGradientEntryVector aVector;
if (brush->blendPositions)
{
SAL_INFO("drawinglayer.emf", "EMF+\t\tUse blend");
// store the blendpoints in the vector
for (sal_uInt32 i = 0; i < brush->blendPoints; i++)
{
const double aBlendPoint = brush->blendPositions[i];
basegfx::BColor aColor;
aColor.setGreen(aStartColor.getGreen() + brush->blendFactors[i] * (aEndColor.getGreen() - aStartColor.getGreen()));
aColor.setBlue (aStartColor.getBlue() + brush->blendFactors[i] * (aEndColor.getBlue() - aStartColor.getBlue()));
aColor.setRed (aStartColor.getRed() + brush->blendFactors[i] * (aEndColor.getRed() - aStartColor.getRed()));
const double aAlpha = brush->solidColor.GetAlpha() + brush->blendFactors[i] * (brush->secondColor.GetAlpha() - brush->solidColor.GetAlpha());
aVector.emplace_back(aBlendPoint, aColor, aAlpha / 255.0);
}
}
else if (brush->colorblendPositions)
{
SAL_INFO("drawinglayer.emf", "EMF+\t\tUse color blend");
// store the colorBlends in the vector
for (sal_uInt32 i = 0; i < brush->colorblendPoints; i++)
{
const double aBlendPoint = brush->colorblendPositions[i];
const basegfx::BColor aColor = brush->colorblendColors[i].getBColor();
aVector.emplace_back(aBlendPoint, aColor, brush->colorblendColors[i].GetAlpha() / 255.0);
}
}
else // ok, no extra points: just start and end
{
aVector.emplace_back(0.0, aStartColor, brush->solidColor.GetAlpha() / 255.0);
aVector.emplace_back(1.0, aEndColor, brush->secondColor.GetAlpha() / 255.0);
}
// get the polygon range to be able to map the start/end/center point correctly
// therefore, create a mapping and invert it
basegfx::B2DRange aPolygonRange= polygon.getB2DRange();
basegfx::B2DHomMatrix aPolygonTransformation = basegfx::utils::createScaleTranslateB2DHomMatrix(
aPolygonRange.getWidth(),aPolygonRange.getHeight(),
aPolygonRange.getMinX(), aPolygonRange.getMinY());
aPolygonTransformation.invert();
if (brush->type == BrushTypeLinearGradient)
{
// support for public enum EmfPlusWrapMode
basegfx::B2DPoint aStartPoint = Map(brush->firstPointX, 0.0);
aStartPoint = aPolygonTransformation * aStartPoint;
basegfx::B2DPoint aEndPoint = Map(brush->firstPointX + brush->aWidth, 0.0);
aEndPoint = aPolygonTransformation * aEndPoint;
// support for public enum EmfPlusWrapMode
drawinglayer::primitive2d::SpreadMethod aSpreadMethod(drawinglayer::primitive2d::SpreadMethod::Pad);
switch(brush->wrapMode)
{
case WrapModeTile:
case WrapModeTileFlipY:
{
aSpreadMethod = drawinglayer::primitive2d::SpreadMethod::Repeat;
break;
}
case WrapModeTileFlipX:
case WrapModeTileFlipXY:
{
aSpreadMethod = drawinglayer::primitive2d::SpreadMethod::Reflect;
break;
}
default:
break;
}
// create the same one used for SVG
mrTargetHolders.Current().append(
new drawinglayer::primitive2d::SvgLinearGradientPrimitive2D(
aTextureTransformation,
polygon,
std::move(aVector),
aStartPoint,
aEndPoint,
false, // do not use UnitCoordinates
aSpreadMethod));
}
else // BrushTypePathGradient
{ // TODO The PathGradient is not implemented, and Radial Gradient is used instead
basegfx::B2DPoint aCenterPoint = Map(brush->firstPointX, brush->firstPointY);
aCenterPoint = aPolygonTransformation * aCenterPoint;
// create the same one used for SVG
mrTargetHolders.Current().append(
new drawinglayer::primitive2d::SvgRadialGradientPrimitive2D(
aTextureTransformation,
polygon,
std::move(aVector),
aCenterPoint,
0.7, // relative radius little bigger to cover all elements
true, // use UnitCoordinates to stretch the gradient
drawinglayer::primitive2d::SpreadMethod::Pad,
nullptr));
}
}
}
}
EmfPlusHelperData::EmfPlusHelperData(
SvMemoryStream& rMS,
wmfemfhelper::TargetHolders& rTargetHolders,
wmfemfhelper::PropertyHolders& rPropertyHolders)
: mfPageScale(0.0),
mnOriginX(0),
mnOriginY(0),
mnHDPI(0),
mnVDPI(0),
mbSetTextContrast(false),
mnTextContrast(0),
mnFrameLeft(0),
mnFrameTop(0),
mnFrameRight(0),
mnFrameBottom(0),
mnPixX(0),
mnPixY(0),
mnMmX(0),
mnMmY(0),
mbMultipart(false),
mMFlags(0),
mdExtractedXScale(1.0),
mdExtractedYScale(1.0),
mrTargetHolders(rTargetHolders),
mrPropertyHolders(rPropertyHolders),
bIsGetDCProcessing(false)
{
rMS.ReadInt32(mnFrameLeft).ReadInt32(mnFrameTop).ReadInt32(mnFrameRight).ReadInt32(mnFrameBottom);
SAL_INFO("drawinglayer.emf", "EMF+ picture frame: " << mnFrameLeft << "," << mnFrameTop << " - " << mnFrameRight << "," << mnFrameBottom);
rMS.ReadInt32(mnPixX).ReadInt32(mnPixY).ReadInt32(mnMmX).ReadInt32(mnMmY);
SAL_INFO("drawinglayer.emf", "EMF+ ref device pixel size: " << mnPixX << "x" << mnPixY << " mm size: " << mnMmX << "x" << mnMmY);
readXForm(rMS, maBaseTransform);
SAL_INFO("drawinglayer.emf", "EMF+ base transform: " << maBaseTransform);
mappingChanged();
}
EmfPlusHelperData::~EmfPlusHelperData()
{
}
::basegfx::B2DPolyPolygon EmfPlusHelperData::combineClip(::basegfx::B2DPolyPolygon const & leftPolygon, int combineMode, ::basegfx::B2DPolyPolygon const & rightPolygon)
{
basegfx::B2DPolyPolygon aClippedPolyPolygon;
switch (combineMode)
{
case EmfPlusCombineModeReplace:
{
aClippedPolyPolygon = rightPolygon;
break;
}
case EmfPlusCombineModeIntersect:
{
aClippedPolyPolygon = basegfx::utils::clipPolyPolygonOnPolyPolygon(
leftPolygon, rightPolygon, true, false);
break;
}
case EmfPlusCombineModeUnion:
{
aClippedPolyPolygon = ::basegfx::utils::solvePolygonOperationOr(leftPolygon, rightPolygon);
break;
}
case EmfPlusCombineModeXOR:
{
aClippedPolyPolygon = ::basegfx::utils::solvePolygonOperationXor(leftPolygon, rightPolygon);
break;
}
case EmfPlusCombineModeExclude:
{
// Replaces the existing region with the part of itself that is not in the new region.
aClippedPolyPolygon = ::basegfx::utils::solvePolygonOperationDiff(leftPolygon, rightPolygon);
break;
}
case EmfPlusCombineModeComplement:
{
// Replaces the existing region with the part of the new region that is not in the existing region.
aClippedPolyPolygon = ::basegfx::utils::solvePolygonOperationDiff(rightPolygon, leftPolygon);
break;
}
}
return aClippedPolyPolygon;
}
void EmfPlusHelperData::processEmfPlusData(
SvMemoryStream& rMS,
const drawinglayer::geometry::ViewInformation2D& /*rViewInformation*/)
{
sal_uInt64 length = rMS.GetSize();
if (length < 12)
SAL_WARN("drawinglayer.emf", "length is less than required header size");
// 12 is minimal valid EMF+ record size; remaining bytes are padding
while (length >= 12)
{
sal_uInt16 type, flags;