| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_slideshow.hxx" |
| |
| #include <canvas/debug.hxx> |
| #include <basegfx/numeric/ftools.hxx> |
| #include <basegfx/matrix/b2dhommatrix.hxx> |
| #include <basegfx/matrix/b2dhommatrixtools.hxx> |
| #include "barndoorwipe.hxx" |
| |
| |
| namespace slideshow { |
| namespace internal { |
| |
| ::basegfx::B2DPolyPolygon BarnDoorWipe::operator () ( double t ) |
| { |
| if (m_doubled) |
| t /= 2.0; |
| |
| basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5)); |
| aTransform.scale( ::basegfx::pruneScaleValue(t), 1.0 ); |
| aTransform.translate( 0.5, 0.5 ); |
| ::basegfx::B2DPolygon poly( m_unitRect ); |
| poly.transform( aTransform ); |
| ::basegfx::B2DPolyPolygon res(poly); |
| |
| if (m_doubled) { |
| aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5); |
| aTransform.rotate( M_PI_2 ); |
| aTransform.translate( 0.5, 0.5 ); |
| poly.transform( aTransform ); |
| res.append(poly); |
| } |
| |
| return res; |
| } |
| |
| } |
| } |
