1*70f497fbSAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*70f497fbSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4*70f497fbSAndrew Rist * or more contributor license agreements. See the NOTICE file
5*70f497fbSAndrew Rist * distributed with this work for additional information
6*70f497fbSAndrew Rist * regarding copyright ownership. The ASF licenses this file
7*70f497fbSAndrew Rist * to you under the Apache License, Version 2.0 (the
8*70f497fbSAndrew Rist * "License"); you may not use this file except in compliance
9*70f497fbSAndrew Rist * with the License. You may obtain a copy of the License at
10*70f497fbSAndrew Rist *
11*70f497fbSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*70f497fbSAndrew Rist *
13*70f497fbSAndrew Rist * Unless required by applicable law or agreed to in writing,
14*70f497fbSAndrew Rist * software distributed under the License is distributed on an
15*70f497fbSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*70f497fbSAndrew Rist * KIND, either express or implied. See the License for the
17*70f497fbSAndrew Rist * specific language governing permissions and limitations
18*70f497fbSAndrew Rist * under the License.
19*70f497fbSAndrew Rist *
20*70f497fbSAndrew Rist *************************************************************/
21*70f497fbSAndrew Rist
22*70f497fbSAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_slideshow.hxx"
26cdf0e10cSrcweir
27cdf0e10cSrcweir #include <canvas/debug.hxx>
28cdf0e10cSrcweir #include <basegfx/numeric/ftools.hxx>
29cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrix.hxx>
30cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrixtools.hxx>
31cdf0e10cSrcweir #include "barndoorwipe.hxx"
32cdf0e10cSrcweir
33cdf0e10cSrcweir
34cdf0e10cSrcweir namespace slideshow {
35cdf0e10cSrcweir namespace internal {
36cdf0e10cSrcweir
operator ()(double t)37cdf0e10cSrcweir ::basegfx::B2DPolyPolygon BarnDoorWipe::operator () ( double t )
38cdf0e10cSrcweir {
39cdf0e10cSrcweir if (m_doubled)
40cdf0e10cSrcweir t /= 2.0;
41cdf0e10cSrcweir
42cdf0e10cSrcweir basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5));
43cdf0e10cSrcweir aTransform.scale( ::basegfx::pruneScaleValue(t), 1.0 );
44cdf0e10cSrcweir aTransform.translate( 0.5, 0.5 );
45cdf0e10cSrcweir ::basegfx::B2DPolygon poly( m_unitRect );
46cdf0e10cSrcweir poly.transform( aTransform );
47cdf0e10cSrcweir ::basegfx::B2DPolyPolygon res(poly);
48cdf0e10cSrcweir
49cdf0e10cSrcweir if (m_doubled) {
50cdf0e10cSrcweir aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5);
51cdf0e10cSrcweir aTransform.rotate( M_PI_2 );
52cdf0e10cSrcweir aTransform.translate( 0.5, 0.5 );
53cdf0e10cSrcweir poly.transform( aTransform );
54cdf0e10cSrcweir res.append(poly);
55cdf0e10cSrcweir }
56cdf0e10cSrcweir
57cdf0e10cSrcweir return res;
58cdf0e10cSrcweir }
59cdf0e10cSrcweir
60cdf0e10cSrcweir }
61cdf0e10cSrcweir }
62