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/**
* Copyright 2010-2023 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.graph.ui;
import java.util.ArrayList;
import java.util.List;
import com.jogamp.graph.curve.OutlineShape;
import com.jogamp.graph.curve.Region;
import com.jogamp.graph.curve.opengl.GLRegion;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.graph.geom.Vertex;
import com.jogamp.graph.geom.Vertex.Factory;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.math.geom.AABBox;
import com.jogamp.opengl.util.texture.TextureSequence;
/**
* Graph based {@link GLRegion} UI {@link Shape}
* <p>
* GraphUI is GPU based and resolution independent.
* </p>
* <p>
* GraphUI is intended to become an immediate- and retained-mode API.
* </p>
* @see Scene
*/
public abstract class GraphShape extends Shape {
protected final Factory<? extends Vertex> vertexFactory;
protected final int renderModes;
protected GLRegion region = null;
protected float oshapeSharpness = OutlineShape.DEFAULT_SHARPNESS;
private int regionQuality = Region.MAX_QUALITY;
private final List<GLRegion> dirtyRegions = new ArrayList<GLRegion>();
/**
* Create a Graph based {@link GLRegion} UI {@link Shape}.
*
* @param renderModes Graph's {@link Region} render modes, see {@link GLRegion#create(GLProfile, int, TextureSequence) create(..)}.
*/
public GraphShape(final int renderModes) {
super();
this.vertexFactory = OutlineShape.getDefaultVertexFactory();
this.renderModes = renderModes;
}
/** Return Graph's {@link Region} render modes, see {@link GLRegion#create(GLProfile, int, TextureSequence) create(..)}. */
public final int getRenderModes() { return renderModes; }
public final int getQuality() { return regionQuality; }
public final void setQuality(final int q) {
this.regionQuality = q;
if( null != region ) {
region.setQuality(q);
}
}
public final void setSharpness(final float sharpness) {
this.oshapeSharpness = sharpness;
markShapeDirty();
}
public final float getSharpness() {
return oshapeSharpness;
}
@Override
public boolean hasColorChannel() {
return Region.hasColorChannel(renderModes) || Region.hasColorTexture(renderModes);
}
private final void clearDirtyRegions(final GL2ES2 gl) {
for(final GLRegion r : dirtyRegions) {
r.destroy(gl);
}
dirtyRegions.clear();
}
@Override
protected final void clearImpl0(final GL2ES2 gl, final RegionRenderer renderer) {
clearImpl(gl, renderer);
clearDirtyRegions(gl);
if( null != region ) {
region.clear(gl);
}
}
@Override
protected final void destroyImpl0(final GL2ES2 gl, final RegionRenderer renderer) {
destroyImpl(gl, renderer);
clearDirtyRegions(gl);
if( null != region ) {
region.destroy(gl);
region = null;
}
}
@Override
protected final void drawImpl0(final GL2ES2 gl, final RegionRenderer renderer, final int[] sampleCount, final float[] rgba) {
if( null != rgba ) {
renderer.getRenderState().setColorStatic(rgba);
}
region.draw(gl, renderer, sampleCount);
}
protected GLRegion createGLRegion(final GLProfile glp) {
return GLRegion.create(glp, renderModes, null);
}
@Override
protected final void validateImpl(final GLProfile glp, final GL2ES2 gl) {
if( null != gl ) {
clearDirtyRegions(gl);
}
if( isShapeDirty() || null == region ) {
if( null == region ) {
region = createGLRegion(glp);
} else if( null == gl ) {
dirtyRegions.add(region);
region = createGLRegion(glp);
} else {
region.clear(gl);
}
addShapeToRegion();
if( hasDebugBox() ) {
addDebugOutline();
}
region.setQuality(regionQuality);
} else if( isStateDirty() ) {
region.markStateDirty();
}
}
private final float[] dbgColor = {0.3f, 0.3f, 0.3f, 0.5f};
protected void addDebugOutline() {
final OutlineShape shape = new OutlineShape(vertexFactory);
final float x1 = box.getMinX();
final float x2 = box.getMaxX();
final float y1 = box.getMinY();
final float y2 = box.getMaxY();
final float z = box.getCenter()[2]; // 0; // box.getMinZ() + 0.025f;
{
// Outer OutlineShape as Winding.CCW.
shape.moveTo(x1, y1, z);
shape.lineTo(x2, y1, z);
shape.lineTo(x2, y2, z);
shape.lineTo(x1, y2, z);
shape.lineTo(x1, y1, z);
shape.closeLastOutline(true);
shape.addEmptyOutline();
}
{
// Inner OutlineShape as Winding.CW.
final float dxy0 = box.getWidth() < box.getHeight() ? box.getWidth() : box.getHeight();
final float dxy = dxy0 * getDebugBox();
shape.moveTo(x1+dxy, y1+dxy, z);
shape.lineTo(x1+dxy, y2-dxy, z);
shape.lineTo(x2-dxy, y2-dxy, z);
shape.lineTo(x2-dxy, y1+dxy, z);
shape.lineTo(x1+dxy, y1+dxy, z);
shape.closeLastOutline(true);
}
shape.setIsQuadraticNurbs();
shape.setSharpness(oshapeSharpness);
region.addOutlineShape(shape, null, dbgColor);
}
protected void clearImpl(final GL2ES2 gl, final RegionRenderer renderer) { }
protected void destroyImpl(final GL2ES2 gl, final RegionRenderer renderer) { }
protected abstract void addShapeToRegion();
}
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