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 10cdf0e10cSrcweir * 11*70f497fbSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12cdf0e10cSrcweir * 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. 19cdf0e10cSrcweir * 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 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 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