1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/* -*- 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 <tools/stream.hxx>
#include <vcl/svgdata.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/graphic/SvgTools.hpp>
#include <com/sun/star/graphic/Primitive2DTools.hpp>
#include <com/sun/star/rendering/XIntegerReadOnlyBitmap.hpp>
#include <vcl/canvastools.hxx>
#include <comphelper/seqstream.hxx>
#include <vcl/svapp.hxx>
#include <vcl/outdev.hxx>
using namespace ::com::sun::star;
BitmapEx convertPrimitive2DSequenceToBitmapEx(
const Primitive2DSequence& rSequence,
const basegfx::B2DRange& rTargetRange,
const sal_uInt32 nMaximumQuadraticPixels)
{
BitmapEx aRetval;
if(rSequence.hasElements())
{
// create replacement graphic from maSequence
// create XPrimitive2DRenderer
uno::Reference< uno::XComponentContext > xContext(::comphelper::getProcessComponentContext());
try
{
const uno::Reference< graphic::XPrimitive2DRenderer > xPrimitive2DRenderer = graphic::Primitive2DTools::create(xContext);
uno::Sequence< beans::PropertyValue > aViewParameters;
geometry::RealRectangle2D aRealRect;
aRealRect.X1 = rTargetRange.getMinX();
aRealRect.Y1 = rTargetRange.getMinY();
aRealRect.X2 = rTargetRange.getMaxX();
aRealRect.Y2 = rTargetRange.getMaxY();
// get system DPI
const Size aDPI(Application::GetDefaultDevice()->LogicToPixel(Size(1, 1), MAP_INCH));
const uno::Reference< rendering::XBitmap > xBitmap(
xPrimitive2DRenderer->rasterize(
rSequence,
aViewParameters,
aDPI.getWidth(),
aDPI.getHeight(),
aRealRect,
nMaximumQuadraticPixels));
if(xBitmap.is())
{
const uno::Reference< rendering::XIntegerReadOnlyBitmap> xIntBmp(xBitmap, uno::UNO_QUERY_THROW);
if(xIntBmp.is())
{
aRetval = vcl::unotools::bitmapExFromXBitmap(xIntBmp);
}
}
}
catch(const uno::Exception& e)
{
SAL_WARN( "vcl", "Got no graphic::XPrimitive2DRenderer! : " << e.Message);
}
}
return aRetval;
}
void SvgData::ensureReplacement()
{
ensureSequenceAndRange();
if(maReplacement.IsEmpty() && maSequence.hasElements())
{
maReplacement = convertPrimitive2DSequenceToBitmapEx(maSequence, getRange());
}
}
void SvgData::ensureSequenceAndRange()
{
if(!maSequence.hasElements() && mnSvgDataArrayLength)
{
// import SVG to maSequence, also set maRange
maRange.reset();
// create stream
const uno::Sequence< sal_Int8 > aPostData(reinterpret_cast<sal_Int8*>(maSvgDataArray.get()), mnSvgDataArrayLength);
const uno::Reference< io::XInputStream > myInputStream(new comphelper::SequenceInputStream(aPostData));
if(myInputStream.is())
{
// create SVG interpreter
uno::Reference< uno::XComponentContext > xContext(::comphelper::getProcessComponentContext());
try
{
const uno::Reference< graphic::XSvgParser > xSvgParser = graphic::SvgTools::create(xContext);
maSequence = xSvgParser->getDecomposition(myInputStream, maPath);
}
catch(const uno::Exception&)
{
OSL_ENSURE(false, "Got no graphic::XSvgParser (!)" );
}
}
if(maSequence.hasElements())
{
const sal_Int32 nCount(maSequence.getLength());
geometry::RealRectangle2D aRealRect;
uno::Sequence< beans::PropertyValue > aViewParameters;
for(sal_Int32 a(0L); a < nCount; a++)
{
// get reference
const Primitive2DReference xReference(maSequence[a]);
if(xReference.is())
{
aRealRect = xReference->getRange(aViewParameters);
maRange.expand(
basegfx::B2DRange(
aRealRect.X1,
aRealRect.Y1,
aRealRect.X2,
aRealRect.Y2));
}
}
}
}
}
SvgData::SvgData(const SvgDataArray& rSvgDataArray, sal_uInt32 nSvgDataArrayLength, const OUString& rPath)
: maSvgDataArray(rSvgDataArray),
mnSvgDataArrayLength(nSvgDataArrayLength),
maPath(rPath),
maRange(),
maSequence(),
maReplacement()
{
}
SvgData::SvgData(const OUString& rPath):
maSvgDataArray(),
mnSvgDataArrayLength(0),
maPath(rPath),
maRange(),
maSequence(),
maReplacement()
{
SvFileStream rIStm(rPath, STREAM_STD_READ);
if(rIStm.GetError())
return;
const sal_uInt32 nStmLen(rIStm.remainingSize());
if(nStmLen)
{
SvgDataArray aNewData(new sal_uInt8[nStmLen]);
rIStm.Read(aNewData.get(), nStmLen);
if(!rIStm.GetError())
{
maSvgDataArray = aNewData;
mnSvgDataArrayLength = nStmLen;
}
}
}
const basegfx::B2DRange& SvgData::getRange() const
{
const_cast< SvgData* >(this)->ensureSequenceAndRange();
return maRange;
}
const Primitive2DSequence& SvgData::getPrimitive2DSequence() const
{
const_cast< SvgData* >(this)->ensureSequenceAndRange();
return maSequence;
}
const BitmapEx& SvgData::getReplacement() const
{
const_cast< SvgData* >(this)->ensureReplacement();
return maReplacement;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|