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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 "PresenterGeometryHelper.hxx"
21 :
22 : #include <math.h>
23 : #include <algorithm>
24 :
25 : using namespace ::com::sun::star;
26 : using namespace ::com::sun::star::uno;
27 :
28 : namespace {
29 :
30 0 : sal_Int32 Right (const awt::Rectangle& rBox)
31 : {
32 0 : return rBox.X + rBox.Width - 1;
33 : }
34 :
35 0 : sal_Int32 Bottom (const awt::Rectangle& rBox)
36 : {
37 0 : return rBox.Y + rBox.Height - 1;
38 : }
39 :
40 0 : sal_Int32 Width (const sal_Int32 nLeft, const sal_Int32 nRight)
41 : {
42 0 : return nRight - nLeft + 1;
43 : }
44 :
45 0 : sal_Int32 Height (const sal_Int32 nTop, const sal_Int32 nBottom)
46 : {
47 0 : return nBottom - nTop + 1;
48 : }
49 :
50 : } // end of anonymous namespace
51 :
52 : namespace sdext { namespace presenter {
53 :
54 0 : sal_Int32 PresenterGeometryHelper::Floor (const double nValue)
55 : {
56 0 : return sal::static_int_cast<sal_Int32>(floor(nValue));
57 : }
58 :
59 0 : sal_Int32 PresenterGeometryHelper::Ceil (const double nValue)
60 : {
61 0 : return sal::static_int_cast<sal_Int32>(ceil(nValue));
62 : }
63 :
64 0 : sal_Int32 PresenterGeometryHelper::Round (const double nValue)
65 : {
66 0 : return sal::static_int_cast<sal_Int32>(floor(0.5 + nValue));
67 : }
68 :
69 0 : awt::Rectangle PresenterGeometryHelper::ConvertRectangle (
70 : const geometry::RealRectangle2D& rBox)
71 : {
72 0 : const sal_Int32 nLeft (Floor(rBox.X1));
73 0 : const sal_Int32 nTop (Floor(rBox.Y1));
74 0 : const sal_Int32 nRight (Ceil(rBox.X2));
75 0 : const sal_Int32 nBottom (Ceil(rBox.Y2));
76 0 : return awt::Rectangle (nLeft,nTop,nRight-nLeft,nBottom-nTop);
77 : }
78 :
79 0 : awt::Rectangle PresenterGeometryHelper::ConvertRectangleWithConstantSize (
80 : const geometry::RealRectangle2D& rBox)
81 : {
82 : return awt::Rectangle (
83 0 : Round(rBox.X1),
84 0 : Round(rBox.Y1),
85 0 : Round(rBox.X2 - rBox.X1),
86 0 : Round(rBox.Y2 - rBox.Y1));
87 : }
88 :
89 0 : geometry::RealRectangle2D PresenterGeometryHelper::ConvertRectangle (
90 : const css::awt::Rectangle& rBox)
91 : {
92 : return geometry::RealRectangle2D(
93 : rBox.X,
94 : rBox.Y,
95 0 : rBox.X + rBox.Width,
96 0 : rBox.Y + rBox.Height);
97 : }
98 :
99 0 : awt::Rectangle PresenterGeometryHelper::TranslateRectangle (
100 : const css::awt::Rectangle& rBox,
101 : const sal_Int32 nXOffset,
102 : const sal_Int32 nYOffset)
103 : {
104 0 : return awt::Rectangle(rBox.X + nXOffset, rBox.Y + nYOffset, rBox.Width, rBox.Height);
105 : }
106 :
107 0 : awt::Rectangle PresenterGeometryHelper::Intersection (
108 : const css::awt::Rectangle& rBox1,
109 : const css::awt::Rectangle& rBox2)
110 : {
111 0 : const sal_Int32 nLeft (::std::max(rBox1.X, rBox2.X));
112 0 : const sal_Int32 nTop (::std::max(rBox1.Y, rBox2.Y));
113 0 : const sal_Int32 nRight (::std::min(Right(rBox1), Right(rBox2)));
114 0 : const sal_Int32 nBottom (::std::min(Bottom(rBox1), Bottom(rBox2)));
115 0 : if (nLeft >= nRight || nTop >= nBottom)
116 0 : return awt::Rectangle();
117 : else
118 0 : return awt::Rectangle(nLeft,nTop, Width(nLeft,nRight), Height(nTop,nBottom));
119 : }
120 :
121 0 : geometry::RealRectangle2D PresenterGeometryHelper::Intersection (
122 : const geometry::RealRectangle2D& rBox1,
123 : const geometry::RealRectangle2D& rBox2)
124 : {
125 0 : const double nLeft (::std::max(rBox1.X1, rBox2.X1));
126 0 : const double nTop (::std::max(rBox1.Y1, rBox2.Y1));
127 0 : const double nRight (::std::min(rBox1.X2, rBox2.X2));
128 0 : const double nBottom (::std::min(rBox1.Y2, rBox2.Y2));
129 0 : if (nLeft >= nRight || nTop >= nBottom)
130 0 : return geometry::RealRectangle2D(0,0,0,0);
131 : else
132 0 : return geometry::RealRectangle2D(nLeft,nTop, nRight, nBottom);
133 : }
134 :
135 0 : bool PresenterGeometryHelper::IsInside (
136 : const css::geometry::RealRectangle2D& rBox,
137 : const css::geometry::RealPoint2D& rPoint)
138 : {
139 0 : return rBox.X1 <= rPoint.X
140 0 : && rBox.Y1 <= rPoint.Y
141 0 : && rBox.X2 >= rPoint.X
142 0 : && rBox.Y2 >= rPoint.Y;
143 : }
144 :
145 0 : bool PresenterGeometryHelper::IsInside (
146 : const css::awt::Rectangle& rBox1,
147 : const css::awt::Rectangle& rBox2)
148 : {
149 0 : return rBox1.X >= rBox2.X
150 0 : && rBox1.Y >= rBox2.Y
151 0 : && rBox1.X+rBox1.Width <= rBox2.X+rBox2.Width
152 0 : && rBox1.Y+rBox1.Height <= rBox2.Y+rBox2.Height;
153 : }
154 :
155 0 : geometry::RealRectangle2D PresenterGeometryHelper::Union (
156 : const geometry::RealRectangle2D& rBox1,
157 : const geometry::RealRectangle2D& rBox2)
158 : {
159 0 : const double nLeft (::std::min(rBox1.X1, rBox2.X1));
160 0 : const double nTop (::std::min(rBox1.Y1, rBox2.Y1));
161 0 : const double nRight (::std::max(rBox1.X2, rBox2.X2));
162 0 : const double nBottom (::std::max(rBox1.Y2, rBox2.Y2));
163 0 : if (nLeft >= nRight || nTop >= nBottom)
164 0 : return geometry::RealRectangle2D(0,0,0,0);
165 : else
166 0 : return geometry::RealRectangle2D(nLeft,nTop, nRight, nBottom);
167 : }
168 :
169 0 : bool PresenterGeometryHelper::AreRectanglesDisjoint (
170 : const css::awt::Rectangle& rBox1,
171 : const css::awt::Rectangle& rBox2)
172 : {
173 0 : return rBox1.X+rBox1.Width <= rBox2.X
174 0 : || rBox1.Y+rBox1.Height <= rBox2.Y
175 0 : || rBox1.X >= rBox2.X+rBox2.Width
176 0 : || rBox1.Y >= rBox2.Y+rBox2.Height;
177 : }
178 :
179 0 : Reference<rendering::XPolyPolygon2D> PresenterGeometryHelper::CreatePolygon(
180 : const awt::Rectangle& rBox,
181 : const Reference<rendering::XGraphicDevice>& rxDevice)
182 : {
183 0 : if ( ! rxDevice.is())
184 0 : return NULL;
185 :
186 0 : Sequence<Sequence<geometry::RealPoint2D> > aPoints(1);
187 0 : aPoints[0] = Sequence<geometry::RealPoint2D>(4);
188 0 : aPoints[0][0] = geometry::RealPoint2D(rBox.X, rBox.Y);
189 0 : aPoints[0][1] = geometry::RealPoint2D(rBox.X, rBox.Y+rBox.Height);
190 0 : aPoints[0][2] = geometry::RealPoint2D(rBox.X+rBox.Width, rBox.Y+rBox.Height);
191 0 : aPoints[0][3] = geometry::RealPoint2D(rBox.X+rBox.Width, rBox.Y);
192 : Reference<rendering::XLinePolyPolygon2D> xPolygon (
193 0 : rxDevice->createCompatibleLinePolyPolygon(aPoints));
194 0 : Reference<rendering::XPolyPolygon2D> xRectangle (xPolygon, UNO_QUERY);
195 0 : if (xRectangle.is())
196 0 : xRectangle->setClosed(0, sal_True);
197 :
198 0 : return xRectangle;
199 : }
200 :
201 0 : Reference<rendering::XPolyPolygon2D> PresenterGeometryHelper::CreatePolygon(
202 : const geometry::RealRectangle2D& rBox,
203 : const Reference<rendering::XGraphicDevice>& rxDevice)
204 : {
205 0 : if ( ! rxDevice.is())
206 0 : return NULL;
207 :
208 0 : Sequence<Sequence<geometry::RealPoint2D> > aPoints(1);
209 0 : aPoints[0] = Sequence<geometry::RealPoint2D>(4);
210 0 : aPoints[0][0] = geometry::RealPoint2D(rBox.X1, rBox.Y1);
211 0 : aPoints[0][1] = geometry::RealPoint2D(rBox.X1, rBox.Y2);
212 0 : aPoints[0][2] = geometry::RealPoint2D(rBox.X2, rBox.Y2);
213 0 : aPoints[0][3] = geometry::RealPoint2D(rBox.X2, rBox.Y1);
214 : Reference<rendering::XLinePolyPolygon2D> xPolygon (
215 0 : rxDevice->createCompatibleLinePolyPolygon(aPoints));
216 0 : Reference<rendering::XPolyPolygon2D> xRectangle (xPolygon, UNO_QUERY);
217 0 : if (xRectangle.is())
218 0 : xRectangle->setClosed(0, sal_True);
219 :
220 0 : return xRectangle;
221 : }
222 :
223 0 : Reference<rendering::XPolyPolygon2D> PresenterGeometryHelper::CreatePolygon(
224 : const ::std::vector<css::awt::Rectangle>& rBoxes,
225 : const Reference<rendering::XGraphicDevice>& rxDevice)
226 : {
227 0 : if ( ! rxDevice.is())
228 0 : return NULL;
229 :
230 0 : const sal_Int32 nCount (rBoxes.size());
231 0 : Sequence<Sequence<geometry::RealPoint2D> > aPoints(nCount);
232 0 : for (sal_Int32 nIndex=0; nIndex<nCount; ++nIndex)
233 : {
234 0 : const awt::Rectangle& rBox (rBoxes[nIndex]);
235 0 : aPoints[nIndex] = Sequence<geometry::RealPoint2D>(4);
236 0 : aPoints[nIndex][0] = geometry::RealPoint2D(rBox.X, rBox.Y);
237 0 : aPoints[nIndex][1] = geometry::RealPoint2D(rBox.X, rBox.Y+rBox.Height);
238 0 : aPoints[nIndex][2] = geometry::RealPoint2D(rBox.X+rBox.Width, rBox.Y+rBox.Height);
239 0 : aPoints[nIndex][3] = geometry::RealPoint2D(rBox.X+rBox.Width, rBox.Y);
240 : }
241 :
242 : Reference<rendering::XLinePolyPolygon2D> xPolygon (
243 0 : rxDevice->createCompatibleLinePolyPolygon(aPoints));
244 0 : Reference<rendering::XPolyPolygon2D> xRectangle (xPolygon, UNO_QUERY);
245 0 : if (xRectangle.is())
246 0 : for (sal_Int32 nIndex=0; nIndex<nCount; ++nIndex)
247 0 : xRectangle->setClosed(nIndex, sal_True);
248 :
249 0 : return xRectangle;
250 : }
251 :
252 : } }
253 :
254 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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