| /************************************************************** |
| * |
| * 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 "checkerboardwipe.hxx" |
| |
| |
| namespace slideshow { |
| namespace internal { |
| |
| ::basegfx::B2DPolyPolygon CheckerBoardWipe::operator () ( double t ) |
| { |
| const double d = (1.0 / m_unitsPerEdge); |
| ::basegfx::B2DHomMatrix aTransform; |
| aTransform.scale( ::basegfx::pruneScaleValue( d * 2.0 * t ), |
| ::basegfx::pruneScaleValue( d ) ); |
| |
| ::basegfx::B2DPolyPolygon res; |
| for ( sal_Int32 i = m_unitsPerEdge; i--; ) |
| { |
| ::basegfx::B2DHomMatrix transform( aTransform ); |
| if ((i % 2) == 1) // odd line |
| transform.translate( -d, 0.0 ); |
| for ( sal_Int32 j = (m_unitsPerEdge / 2) + 1; j--; ) |
| { |
| ::basegfx::B2DPolyPolygon poly( m_unitRect ); |
| poly.transform( transform ); |
| res.append( poly ); |
| transform.translate( d * 2.0, 0.0 ); |
| } |
| aTransform.translate( 0.0, d ); // next line |
| } |
| return res; |
| } |
| |
| } |
| } |
