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 | /* -*- 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 <sdr/contact/viewcontactofsdrpathobj.hxx>
#include <svtools/optionsdrawinglayer.hxx>
#include <svx/svdopath.hxx>
#include <svx/svdpage.hxx>
#include <sdr/primitive2d/sdrattributecreator.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/polygon/b2dpolygonclipper.hxx>
#include <sdr/primitive2d/sdrpathprimitive2d.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <vcl/canvastools.hxx>
namespace sdr::contact
{
ViewContactOfSdrPathObj::ViewContactOfSdrPathObj(SdrPathObj& rPathObj)
: ViewContactOfTextObj(rPathObj)
{
}
ViewContactOfSdrPathObj::~ViewContactOfSdrPathObj()
{
}
static sal_uInt32 ensureGeometry(basegfx::B2DPolyPolygon& rUnitPolyPolygon)
{
sal_uInt32 nPolyCount(rUnitPolyPolygon.count());
sal_uInt32 nPointCount(0);
for(auto const& rPolygon : rUnitPolyPolygon)
{
nPointCount += rPolygon.count();<--- Consider using std::accumulate algorithm instead of a raw loop.
}
if(!nPointCount)
{
OSL_FAIL("PolyPolygon object without geometry detected, this should not be created (!)");
basegfx::B2DPolygon aFallbackLine;
aFallbackLine.append(basegfx::B2DPoint(0.0, 0.0));
aFallbackLine.append(basegfx::B2DPoint(1000.0, 1000.0));
rUnitPolyPolygon = basegfx::B2DPolyPolygon(aFallbackLine);
nPolyCount = 1;
}
return nPolyCount;
}
drawinglayer::primitive2d::Primitive2DContainer ViewContactOfSdrPathObj::createViewIndependentPrimitive2DSequence() const
{
const SfxItemSet& rItemSet = GetPathObj().GetMergedItemSet();
const drawinglayer::attribute::SdrLineFillEffectsTextAttribute aAttribute(
drawinglayer::primitive2d::createNewSdrLineFillEffectsTextAttribute(
rItemSet,
GetPathObj().getText(0),
false));
basegfx::B2DPolyPolygon aUnitPolyPolygon(GetPathObj().GetPathPoly());
sal_uInt32 nPolyCount(ensureGeometry(aUnitPolyPolygon));
// prepare object transformation and unit polygon (direct model data)
basegfx::B2DHomMatrix aObjectMatrix;
basegfx::B2DPolyPolygon aUnitDefinitionPolyPolygon;
bool bIsLine(
!aUnitPolyPolygon.areControlPointsUsed()
&& 1 == nPolyCount
&& 2 == aUnitPolyPolygon.getB2DPolygon(0).count());
if(bIsLine)
{
//tdf#63955 if we have an extremely long line then clip it to a
//very generous range of -1 page width/height vs +1 page
//width/height to avoid oom and massive churn generating a huge
//polygon chain to cover the length in applyLineDashing if this
//line is dashed
const SdrPage* pPage(GetPathObj().getSdrPageFromSdrObject());
sal_Int32 nPageWidth = pPage ? pPage->GetWidth() : 0;
sal_Int32 nPageHeight = pPage ? pPage->GetHeight() : 0;
//But, see tdf#101187, only do this if our generous clip region
//would not over flow into a tiny clip region
if (nPageWidth < SAL_MAX_INT32/2 && nPageHeight < SAL_MAX_INT32/2)
{
//But, see tdf#97276, tdf#126184 and tdf#98366. Don't clip too much if the
//underlying page dimension is unknown or a paste document
//where the page sizes use the odd default of 10x10
const SvtOptionsDrawinglayer aDrawinglayerOpt;
const sal_Int32 nMaxPaperWidth = aDrawinglayerOpt.GetMaximumPaperWidth() * 1000;
const sal_Int32 nMaxPaperHeight = aDrawinglayerOpt.GetMaximumPaperHeight() * 1000;
nPageWidth = std::max<sal_Int32>(nPageWidth, nMaxPaperWidth);
nPageHeight = std::max<sal_Int32>(nPageHeight, nMaxPaperHeight);
basegfx::B2DRange aClipRange(-nPageWidth, -nPageHeight,
nPageWidth*2, nPageHeight*2);
aUnitPolyPolygon = basegfx::utils::clipPolyPolygonOnRange(aUnitPolyPolygon,
aClipRange, true, true);
nPolyCount = ensureGeometry(aUnitPolyPolygon);
// re-check that we have't been clipped out to oblivion
bIsLine =
!aUnitPolyPolygon.areControlPointsUsed()
&& 1 == nPolyCount
&& 2 == aUnitPolyPolygon.getB2DPolygon(0).count();
}
}
if(bIsLine)
{
// special handling for single line mode (2 points)
const basegfx::B2DPolygon aSubPolygon(aUnitPolyPolygon.getB2DPolygon(0));
const basegfx::B2DPoint aStart(aSubPolygon.getB2DPoint(0));
const basegfx::B2DPoint aEnd(aSubPolygon.getB2DPoint(1));
const basegfx::B2DVector aLine(aEnd - aStart);
// #i102548# create new unit polygon for line (horizontal)
basegfx::B2DPolygon aNewPolygon;
aNewPolygon.append(basegfx::B2DPoint(0.0, 0.0));
aNewPolygon.append(basegfx::B2DPoint(1.0, 0.0));
aUnitPolyPolygon.setB2DPolygon(0, aNewPolygon);
// #i102548# fill objectMatrix with rotation and offset (no shear for lines)
aObjectMatrix = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix(
aLine.getLength(), 1.0,
0.0,
atan2(aLine.getY(), aLine.getX()),
aStart.getX(), aStart.getY());
}
else
{
// #i102548# create unscaled, unsheared, unrotated and untranslated polygon
// (unit polygon) by creating the object matrix and back-transforming the polygon
const basegfx::B2DRange aObjectRange(basegfx::utils::getRange(aUnitPolyPolygon));
const GeoStat& rGeoStat(GetPathObj().GetGeoStat());
const double fWidth(aObjectRange.getWidth());
const double fHeight(aObjectRange.getHeight());
const double fScaleX(basegfx::fTools::equalZero(fWidth) ? 1.0 : fWidth);
const double fScaleY(basegfx::fTools::equalZero(fHeight) ? 1.0 : fHeight);
aObjectMatrix = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix(
fScaleX, fScaleY,
rGeoStat.nShearAngle ? tan((36000 - rGeoStat.nShearAngle) * F_PI18000) : 0.0,
rGeoStat.nRotationAngle ? (36000 - rGeoStat.nRotationAngle) * F_PI18000 : 0.0,
aObjectRange.getMinX(), aObjectRange.getMinY());
// create unit polygon from object's absolute path
basegfx::B2DHomMatrix aInverse(aObjectMatrix);
aInverse.invert();
aUnitPolyPolygon.transform(aInverse);
// OperationSmiley: Check if a FillGeometryDefiningShape is set
const SdrObject* pFillGeometryDefiningShape(GetPathObj().getFillGeometryDefiningShape());
if(nullptr != pFillGeometryDefiningShape)
{
// If yes, get it's BoundRange and use as defining Geometry for the FillStyle.
// If no, aUnitDefinitionPolyPolygon will just be empty and thus be interpreted
// as unused.
// Using SnapRect will make the FillDefinition to always be extended e.g.
// for rotated/sheared objects.
const tools::Rectangle& rSnapRect(pFillGeometryDefiningShape->GetSnapRect());
aUnitDefinitionPolyPolygon.append(
basegfx::utils::createPolygonFromRect(
vcl::unotools::b2DRectangleFromRectangle(rSnapRect)));
// use same coordinate system as the shape geometry -> this
// makes it relative to shape's unit geometry and thus freely
// transformable with the shape
aUnitDefinitionPolyPolygon.transform(aInverse);
}
}
// create primitive. Always create primitives to allow the decomposition of
// SdrPathPrimitive2D to create needed invisible elements for HitTest and/or BoundRect
const drawinglayer::primitive2d::Primitive2DReference xReference(
new drawinglayer::primitive2d::SdrPathPrimitive2D(
aObjectMatrix,
aAttribute,
aUnitPolyPolygon,
aUnitDefinitionPolyPolygon));
return drawinglayer::primitive2d::Primitive2DContainer { xReference };
}
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|