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d58407a8
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2021 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.main.DistortedFramebuffer;
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import org.distorted.library.type.Data1D;
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import org.distorted.library.type.Data4D;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Similar effect to Glow, but this one is not blurred and it's entirely behind the object.
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*/
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public class PostprocessEffectBorder extends PostprocessEffect
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{
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private final Data1D mHalo;
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private final Data4D mColor;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Clean up of static variables on exit. Called by reflection from super class.
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@SuppressWarnings("unused")
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static void destroyStatics()
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{
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Only for use by the library itself.
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*
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* @y.exclude
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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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mColor.get(uniforms,index+1,currentDuration,step);
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return mHalo.get(uniforms,index,currentDuration,step);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Only for use by the library itself.
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*
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* @y.exclude
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*/
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public boolean getRenderDirectly()
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{
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return true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Only for use by the library itself.
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*
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* @y.exclude
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*/
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public int postprocess(float[] uniforms, int index, DistortedFramebuffer buffer)
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{
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return 0;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* No local programs; we do not postprocess anything here. No need to do anything
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*/
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public static void enable()
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{
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Draw a sharp 'border' around the object. Unlike 'GLOW', the border is entirely around the object
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* and not in front of it.
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*
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* @param halo How far beyond the object does the effect stretch to? Unit: Percentage of the size
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* of the original object, i.e. halo=0 --> no effect at all, halo=100 --> border of
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* size of the object itself.
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*
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* @param color RGBA of the color with which to draw the border; example: (1.0f,0.0f,0.0f,0.5f) -
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* half transparent red.
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*/
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public PostprocessEffectBorder(Data1D halo, Data4D color)
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{
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super(EffectName.BORDER);
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mHalo = halo;
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mColor= color;
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}
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}
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