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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <svx/sdr/overlay/overlayobject.hxx>
21 : #include <svx/sdr/overlay/overlaymanager.hxx>
22 : #include <basegfx/matrix/b2dhommatrix.hxx>
23 : #include <basegfx/vector/b2dvector.hxx>
24 : #include <vcl/outdev.hxx>
25 : #include <basegfx/polygon/b2dpolygon.hxx>
26 : #include <basegfx/polygon/b2dpolypolygon.hxx>
27 : #include <basegfx/polygon/b2dpolygontools.hxx>
28 : #include <basegfx/polygon/b2dpolypolygontools.hxx>
29 : #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
30 :
31 :
32 :
33 : namespace sdr
34 : {
35 : namespace overlay
36 : {
37 0 : void OverlayObject::objectChange()
38 : {
39 0 : const basegfx::B2DRange aPreviousRange(maBaseRange);
40 0 : maBaseRange.reset();
41 0 : setPrimitive2DSequence(drawinglayer::primitive2d::Primitive2DSequence());
42 :
43 0 : if(getOverlayManager() && !aPreviousRange.isEmpty())
44 : {
45 0 : getOverlayManager()->invalidateRange(aPreviousRange);
46 : }
47 :
48 0 : const basegfx::B2DRange& rCurrentRange = getBaseRange();
49 :
50 0 : if(getOverlayManager() && rCurrentRange != aPreviousRange && !rCurrentRange.isEmpty())
51 : {
52 0 : getOverlayManager()->invalidateRange(rCurrentRange);
53 : }
54 0 : }
55 :
56 : // OverlayObject implementations.
57 0 : drawinglayer::primitive2d::Primitive2DSequence OverlayObject::createOverlayObjectPrimitive2DSequence()
58 : {
59 : // Default implementation has to assert a missing implementation. It cannot
60 : // be useful to have overlay object derivations which have no visualisation
61 : // at all
62 : OSL_FAIL("OverlayObject derivation without visualisation definition (missing createOverlayObjectPrimitive2DSequence implementation) (!)");
63 0 : return drawinglayer::primitive2d::Primitive2DSequence();
64 : }
65 :
66 0 : sal_uInt32 OverlayObject::impCheckBlinkTimeValueRange(sal_uInt32 nBlinkTime) const
67 : {
68 0 : if(nBlinkTime < 25)
69 : {
70 0 : nBlinkTime = 25;
71 : }
72 0 : else if(nBlinkTime > 10000)
73 : {
74 0 : nBlinkTime = 10000;
75 : }
76 :
77 0 : return nBlinkTime;
78 : }
79 :
80 0 : void OverlayObject::allowAntiAliase(bool bNew)
81 : {
82 0 : if(bNew != (bool)mbAllowsAntiAliase)
83 : {
84 : // remember new value
85 0 : mbAllowsAntiAliase = bNew;
86 :
87 : // register change (after change)
88 0 : objectChange();
89 : }
90 0 : }
91 :
92 0 : OverlayObject::OverlayObject(Color aBaseColor)
93 : : Event(0),
94 : mpOverlayManager(0),
95 : maBaseColor(aBaseColor),
96 : mbIsVisible(true),
97 : mbIsHittable(true),
98 : mbAllowsAnimation(false),
99 0 : mbAllowsAntiAliase(true)
100 : {
101 0 : }
102 :
103 0 : OverlayObject::~OverlayObject()
104 : {
105 : OSL_ENSURE(0 == getOverlayManager(), "OverlayObject is destructed which is still registered at OverlayManager (!)");
106 0 : }
107 :
108 0 : drawinglayer::primitive2d::Primitive2DSequence OverlayObject::getOverlayObjectPrimitive2DSequence() const
109 : {
110 0 : if(!getPrimitive2DSequence().hasElements())
111 : {
112 : // no existing sequence; create one
113 : const_cast< OverlayObject* >(this)->setPrimitive2DSequence(
114 0 : const_cast< OverlayObject* >(this)->createOverlayObjectPrimitive2DSequence());
115 : }
116 :
117 0 : return getPrimitive2DSequence();
118 : }
119 :
120 0 : const basegfx::B2DRange& OverlayObject::getBaseRange() const
121 : {
122 0 : if(getOverlayManager() && maBaseRange.isEmpty())
123 : {
124 0 : const drawinglayer::primitive2d::Primitive2DSequence& rSequence = getOverlayObjectPrimitive2DSequence();
125 :
126 0 : if(rSequence.hasElements())
127 : {
128 0 : const drawinglayer::geometry::ViewInformation2D aViewInformation2D(getOverlayManager()->getCurrentViewInformation2D());
129 :
130 : const_cast< sdr::overlay::OverlayObject* >(this)->maBaseRange =
131 0 : drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(rSequence, aViewInformation2D);
132 0 : }
133 : }
134 :
135 0 : return maBaseRange;
136 : }
137 :
138 0 : void OverlayObject::setVisible(bool bNew)
139 : {
140 0 : if(bNew != (bool)mbIsVisible)
141 : {
142 : // remember new value
143 0 : mbIsVisible = bNew;
144 :
145 : // register change (after change)
146 0 : objectChange();
147 : }
148 0 : }
149 :
150 0 : void OverlayObject::setHittable(bool bNew)
151 : {
152 0 : if(bNew != (bool)mbIsHittable)
153 : {
154 : // remember new value
155 0 : mbIsHittable = bNew;
156 :
157 : // register change (after change)
158 0 : objectChange();
159 : }
160 0 : }
161 :
162 0 : void OverlayObject::setBaseColor(Color aNew)
163 : {
164 0 : if(aNew != maBaseColor)
165 : {
166 : // remember new value
167 0 : maBaseColor = aNew;
168 :
169 : // register change (after change)
170 0 : objectChange();
171 : }
172 0 : }
173 :
174 0 : void OverlayObject::Trigger(sal_uInt32 /*nTime*/)
175 : {
176 : // default does not register again
177 0 : }
178 :
179 0 : void OverlayObject::stripeDefinitionHasChanged()
180 : {
181 : // default does not need to do anything
182 0 : }
183 : } // end of namespace overlay
184 : } // end of namespace sdr
185 :
186 :
187 :
188 : namespace sdr
189 : {
190 : namespace overlay
191 : {
192 0 : OverlayObjectWithBasePosition::OverlayObjectWithBasePosition(const basegfx::B2DPoint& rBasePos, Color aBaseColor)
193 : : OverlayObject(aBaseColor),
194 0 : maBasePosition(rBasePos)
195 : {
196 0 : }
197 :
198 0 : OverlayObjectWithBasePosition::~OverlayObjectWithBasePosition()
199 : {
200 0 : }
201 :
202 0 : void OverlayObjectWithBasePosition::setBasePosition(const basegfx::B2DPoint& rNew)
203 : {
204 0 : if(rNew != maBasePosition)
205 : {
206 : // remember new value
207 0 : maBasePosition = rNew;
208 :
209 : // register change (after change)
210 0 : objectChange();
211 : }
212 0 : }
213 : } // end of namespace overlay
214 : } // end of namespace sdr
215 :
216 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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