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/matrix/b2dhommatrix.hxx>
29cdf0e10cSrcweir #include <basegfx/point/b2dpoint.hxx>
30cdf0e10cSrcweir #include <basegfx/numeric/ftools.hxx>
31cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrixtools.hxx>
32cdf0e10cSrcweir #include "clockwipe.hxx"
33cdf0e10cSrcweir
34cdf0e10cSrcweir
35cdf0e10cSrcweir namespace slideshow {
36cdf0e10cSrcweir namespace internal {
37cdf0e10cSrcweir
calcCenteredClock(double t,double e)38cdf0e10cSrcweir ::basegfx::B2DPolygon ClockWipe::calcCenteredClock( double t, double e )
39cdf0e10cSrcweir {
40cdf0e10cSrcweir ::basegfx::B2DPolygon poly;
41cdf0e10cSrcweir ::basegfx::B2DHomMatrix aTransform;
42cdf0e10cSrcweir aTransform.rotate( t * 2.0 * M_PI );
43cdf0e10cSrcweir const double MAX_EDGE = 2.0;
44cdf0e10cSrcweir ::basegfx::B2DPoint p( 0.0, -MAX_EDGE );
45cdf0e10cSrcweir p *= aTransform;
46cdf0e10cSrcweir poly.append( p );
47cdf0e10cSrcweir if (t >= 0.875)
48cdf0e10cSrcweir poly.append( ::basegfx::B2DPoint( -e, -e ) );
49cdf0e10cSrcweir if (t >= 0.625)
50cdf0e10cSrcweir poly.append( ::basegfx::B2DPoint( -e, e ) );
51cdf0e10cSrcweir if (t >= 0.375)
52cdf0e10cSrcweir poly.append( ::basegfx::B2DPoint( e, e ) );
53cdf0e10cSrcweir if (t >= 0.125)
54cdf0e10cSrcweir poly.append( ::basegfx::B2DPoint( e, -e ) );
55cdf0e10cSrcweir poly.append( ::basegfx::B2DPoint( 0.0, -e ) );
56cdf0e10cSrcweir poly.append( ::basegfx::B2DPoint( 0.0, 0.0 ) );
57cdf0e10cSrcweir poly.setClosed(true);
58cdf0e10cSrcweir return poly;
59cdf0e10cSrcweir }
60cdf0e10cSrcweir
operator ()(double t)61cdf0e10cSrcweir ::basegfx::B2DPolyPolygon ClockWipe::operator () ( double t )
62cdf0e10cSrcweir {
63cdf0e10cSrcweir const basegfx::B2DHomMatrix aTransform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
64cdf0e10cSrcweir ::basegfx::B2DPolygon poly( calcCenteredClock(t) );
65cdf0e10cSrcweir poly.transform( aTransform );
66cdf0e10cSrcweir return ::basegfx::B2DPolyPolygon(poly);
67cdf0e10cSrcweir }
68cdf0e10cSrcweir
69cdf0e10cSrcweir }
70cdf0e10cSrcweir }
71