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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2017 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.effect;
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import org.distorted.library.type.Data1D;
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import org.distorted.library.type.Data4D;
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import org.distorted.library.type.Static4D;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class FragmentEffectContrast extends FragmentEffect
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{
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private Data1D mContrast;
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private Data4D mRegion;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Makes a certain sub-region of the Object smoothly change its contrast level.
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*
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* @param contrast 1-dimensional Data that returns the level of contrast we want to have
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* at any given moment. Valid range: <0,infinity)
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* @param region Region this Effect is limited to.
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* @param smooth If true, the level of 'contrast' will smoothly fade out towards the edges of the region.
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*/
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public FragmentEffectContrast(Data1D contrast, Data4D region, boolean smooth)
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{
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super(smooth?EffectName.SMOOTH_CONTRAST:EffectName.CONTRAST);
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mContrast = contrast;
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mRegion = (region==null ? new Static4D(0,0,Float.MAX_VALUE, Float.MAX_VALUE) : region);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Makes the whole Object smoothly change its contrast level.
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*
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* @param contrast 1-dimensional Data that returns the level of contrast we want to have
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* at any given moment. Valid range: <0,infinity)
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*/
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public FragmentEffectContrast(Data1D contrast)
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{
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super(EffectName.CONTRAST);
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mContrast = contrast;
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mRegion = new Static4D(0,0,Float.MAX_VALUE, Float.MAX_VALUE);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public boolean compute(float[] uniforms, int index, long currentDuration, long step )
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{
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mRegion.get(uniforms,index+4,currentDuration,step);
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return mContrast.get(uniforms,index,currentDuration,step);
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}
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}
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