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/**
* Copyright 2010-2024 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.widgets;
import com.jogamp.graph.curve.Region;
import com.jogamp.graph.curve.opengl.GLRegion;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.graph.ui.Group;
import com.jogamp.graph.ui.Shape;
import com.jogamp.graph.ui.layout.Alignment;
import com.jogamp.graph.ui.layout.GridLayout;
import com.jogamp.graph.ui.widgets.RangeSlider.SliderAdapter;
import com.jogamp.math.Vec2f;
import com.jogamp.math.Vec3f;
import com.jogamp.math.Vec4f;
import com.jogamp.math.geom.AABBox;
import com.jogamp.math.geom.Cube;
import com.jogamp.math.geom.Frustum;
import com.jogamp.math.util.PMVMatrix4f;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.util.texture.TextureSequence;
/**
* Ranged {@link Group} {@link Widget}, displaying a clipped content {@link Group}
* with optional horizontal and/or vertical {@link RangeSlider}.
*/
public class RangedGroup extends Widget {
private final Group content;
private final Group clippedContent;
private final RangeSlider horizSlider, vertSlider;
private final Vec2f contentPosZero = new Vec2f();
/** {@link RangeSlider} configuration parameter for {@link RangedGroup}. */
public static final class SliderParam {
/** spatial dimension of the slider box. A horizontal slider has width >= height. */
public final Vec2f size;
/** size of one unit (element) in sliding direction */
public final float unitSize;
/**
* Toggle whether the slider uses an inverted value range,
* e.g. top 0% and bottom 100% for an vertical inverted slider
* instead of bottom 0% and top 100% for a vertical non-inverted slider.
*/
public final boolean inverted;
/**
*
* @param size spatial dimension of this slider box. A horizontal slider has width >= height.
* @param unitSize size of one unit (element) in sliding direction
* @param inverted toggle to invert value range, see {@link #inverted}
*/
public SliderParam(final Vec2f size, final float unitSize, final boolean inverted) {
this.size = size;
this.unitSize = unitSize;
this.inverted = inverted;
}
}
/**
* Construct a {@link RangedGroup}
* @param renderModes Graph's {@link Region} render modes, see {@link GLRegion#create(GLProfile, int, TextureSequence) create(..)}.
* @param content the {@link Group} with content to view
* @param contentSize the fixed spatial size of the clipped content to view, i.e. page-size
* @param horizSliderParam optional initial horizontal slider parameters, null for none
* @param vertSliderParam optional initial vertical slider parameters, null for none
*/
public RangedGroup(final int renderModes, final Group content, final Vec2f contentSize,
final SliderParam horizSliderParam, final SliderParam vertSliderParam)
{
super( new GridLayout(1 + (null != vertSliderParam ? 1 : 0), 0f, 0f, Alignment.None)); // vertical slider adds to the right column
this.content = content;
this.clippedContent = new Group( new GridLayout(1, 0f, 0f, Alignment.None));
this.clippedContent.setFixedSize(contentSize);
this.clippedContent.addShape(content);
addShape(clippedContent);
if( null != horizSliderParam ) {
horizSlider = new RangeSlider(renderModes, horizSliderParam.size,
new Vec2f(0, content.getBounds().getWidth()), horizSliderParam.unitSize, contentSize.x(), 0).setInverted(horizSliderParam.inverted);
addShape(horizSlider);
horizSlider.addSliderListener( new SliderAdapter() {
@Override
public void dragged(final RangeSlider w, final float old_val, final float val, final float old_val_pct, final float val_pct) {
final Vec3f oldPos = content.getPosition();
if( vertSlider.isInverted() ) {
content.moveTo(contentPosZero.x()-val, oldPos.y(), oldPos.z());
} else {
content.moveTo(contentPosZero.x()+val, oldPos.y(), oldPos.z());
}
}
} );
} else {
horizSlider = null;
}
if( null != vertSliderParam ) {
vertSlider = new RangeSlider(renderModes, vertSliderParam.size,
new Vec2f(0, content.getBounds().getHeight()), vertSliderParam.unitSize, contentSize.y(), 0).setInverted(vertSliderParam.inverted);
addShape(vertSlider);
vertSlider.addSliderListener( new SliderAdapter() {
@Override
public void dragged(final RangeSlider w, final float old_val, final float val, final float old_val_pct, final float val_pct) {
final Vec3f oldPos = content.getPosition();
if( vertSlider.isInverted() ) {
content.moveTo(oldPos.x(), contentPosZero.y()+val, oldPos.z());
} else {
content.moveTo(oldPos.x(), contentPosZero.y()-val, oldPos.z());
}
}
} );
} else {
vertSlider = null;
}
this.onInit( (final Shape shape) -> {
content.moveTo(contentPosZero.x(), contentPosZero.y(), 0);
return true;
});
}
public Group getContent() { return content; }
public Vec2f getContentSize(final Vec2f out) { return clippedContent.getFixedSize(out); }
public Group getClippedContent() { return clippedContent; }
/** Returns the used horizontal {@link RangeSlider} or {@code null}. */
public RangeSlider getHorizSlider() { return horizSlider; }
/** Returns the used vertical {@link RangeSlider} or {@code null}. */
public RangeSlider getVertSlider() { return vertSlider; }
@Override
protected void validateImpl(final GL2ES2 gl, final GLProfile glp) {
if( isShapeDirty() ) {
final Vec3f pos = content.getPosition().copy(); // preserve content position
super.validateImpl(gl, glp);
final AABBox cb = content.getBounds();
final Vec3f contentSize = clippedContent.getFixedSize();
contentPosZero.set(0, 0);
if( null != horizSlider ) {
horizSlider.setMinMax(new Vec2f(0, content.getBounds().getWidth()));
if( horizSlider.isInverted() ) {
contentPosZero.setX( cb.getWidth() - contentSize.x() );
}
}
if( null != vertSlider ) {
vertSlider.setMinMax(new Vec2f(0, content.getBounds().getHeight()));
if( vertSlider.isInverted() ) {
contentPosZero.setY( contentSize.y() - cb.getHeight() );
}
}
content.moveTo( pos );
}
}
@Override
protected void drawImpl0(final GL2ES2 gl, final RegionRenderer renderer, final Vec4f rgba) {
if( content.isVisible() ) {
final PMVMatrix4f pmv = renderer.getMatrix();
// Mv pre-multiplied Frustum, clippedContent is on same PMV
final Frustum clipFrustum = tempC00.set( clippedContent.getBounds() ).transform( pmv.getMv() ).updateFrustumPlanes(tempF00);
content.setClipMvFrustum(clipFrustum);
super.drawImpl0(gl, renderer, rgba);
content.setClipMvFrustum(null);
}
}
private final Frustum tempF00 = new Frustum(); // OK, synchronized
private final Cube tempC00 = new Cube(); // OK, synchronized
}
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