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library / src / main / java / org / distorted / library / effect / FragmentEffectSaturation.java @ 2ef5dd9e

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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.Dynamic1D;
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import org.distorted.library.type.Dynamic4D;
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import org.distorted.library.type.Static1D;
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import org.distorted.library.type.Static4D;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class FragmentEffectSaturation extends FragmentEffect
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  {
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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 * Makes a certain sub-region of the Object smoothly change its saturation level.
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 *
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 * @param saturation 1-dimensional Data that returns the level of saturation 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 'saturation' will smoothly fade out towards the edges of the region.
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 */
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  public FragmentEffectSaturation(Data1D saturation, Data4D region, boolean smooth)
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    {
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    super(smooth?EffectName.SMOOTH_SATURATION:EffectName.SATURATION);
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    if( saturation instanceof Dynamic1D )
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      {
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      mDynamic0 = (Dynamic1D)saturation;
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      }
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    else if ( saturation instanceof Static1D )
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      {
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      mStatic0 = (Static1D)saturation;
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      }
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    if( region == null )
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      {
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      mStaticRegion = new Static4D(0,0,Float.MAX_VALUE, Float.MAX_VALUE);
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      }
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    else
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      {
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      if (region instanceof Static4D)
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        {
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        mStaticRegion = (Static4D) region;
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        }
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      else if (region instanceof Dynamic4D)
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        {
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        mDynamicRegion = (Dynamic4D) region;
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        }
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      }
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    }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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 * Makes the whole Object smoothly change its saturation level.
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 *
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 * @param saturation 1-dimensional Data that returns the level of saturation 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 FragmentEffectSaturation(Data1D saturation)
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    {
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    super(EffectName.SATURATION);
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    if( saturation instanceof Dynamic1D )
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      {
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      mDynamic0 = (Dynamic1D)saturation;
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      }
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    else if ( saturation instanceof Static1D )
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      {
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      mStatic0 = (Static1D)saturation;
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      }
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    mStaticRegion = 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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    if( mDynamicRegion!=null )
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      {
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      mDynamicRegion.interpolateMain(uniforms,index+4,currentDuration,step);
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      }
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    else
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      {
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      uniforms[index+4] = mStaticRegion.getX();
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      uniforms[index+5] = mStaticRegion.getY();
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      uniforms[index+6] = mStaticRegion.getZ();
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      uniforms[index+7] = mStaticRegion.getW();
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      }
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    if( mDynamic0!=null )
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      {
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      return mDynamic0.interpolateMain(uniforms,index,currentDuration,step);
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      }
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    else
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      {
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      uniforms[index] = ((Static1D)mStatic0).getX();
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      return false;
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      }
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    }
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  }
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