| /************************************************************** |
| * |
| * 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/matrix/b2dhommatrix.hxx> |
| #include <basegfx/polygon/b2dpolypolygon.hxx> |
| #include <basegfx/numeric/ftools.hxx> |
| #include <basegfx/matrix/b2dhommatrixtools.hxx> |
| #include "fourboxwipe.hxx" |
| |
| |
| namespace slideshow { |
| namespace internal { |
| |
| ::basegfx::B2DPolyPolygon FourBoxWipe::operator () ( double t ) |
| { |
| ::basegfx::B2DHomMatrix aTransform; |
| const double d = ::basegfx::pruneScaleValue( t / 2.0 ); |
| if (m_cornersOut) |
| { |
| aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5); |
| aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.25, -0.25) |
| * aTransform; |
| } |
| else |
| { |
| aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.5, -0.5); |
| } |
| |
| // top left: |
| ::basegfx::B2DPolygon square( m_unitRect ); |
| square.transform( aTransform ); |
| ::basegfx::B2DPolyPolygon res( square ); |
| // bottom left, flip on x-axis: |
| aTransform.scale( -1.0, 1.0 ); |
| ::basegfx::B2DPolygon square2( m_unitRect ); |
| square2.transform( aTransform ); |
| square2.flip(); // flip direction |
| res.append( square2 ); |
| // bottom right, flip on y-axis: |
| aTransform.scale( 1.0, -1.0 ); |
| ::basegfx::B2DPolygon square3( m_unitRect ); |
| square3.transform( aTransform ); |
| res.append( square3 ); |
| // top right, flip on x-axis: |
| aTransform.scale( -1.0, 1.0 ); |
| ::basegfx::B2DPolygon square4( m_unitRect ); |
| square4.transform( aTransform ); |
| square4.flip(); // flip direction |
| res.append( square4 ); |
| |
| aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.5); |
| res.transform( aTransform ); |
| return res; |
| } |
| |
| } |
| } |