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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.shapes;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.graph.curve.OutlineShape;
import com.jogamp.graph.curve.Region;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.graph.font.Font;
import com.jogamp.graph.geom.plane.AffineTransform;
import com.jogamp.graph.ui.GraphShape;
import com.jogamp.opengl.math.geom.AABBox;
import jogamp.graph.ui.shapes.Label0;
/**
* A GraphUI text labeled {@link RoundButton} {@link GraphShape}
* <p>
* GraphUI is GPU based and resolution independent.
* </p>
* <p>
* This button is rendered with a round oval shape.
* To render it rectangular, {@link #setCorner(float)} to zero.
* </p>
*/
public class Button extends RoundButton {
/** {@value} */
public static final float DEFAULT_SPACING_X = 0.12f;
/** {@value} */
public static final float DEFAULT_SPACING_Y = 0.42f;
private static final float DEFAULT_2PASS_LABEL_ZOFFSET = -0.005f; // -0.05f;
private float twoPassLabelZOffset = DEFAULT_2PASS_LABEL_ZOFFSET;
private final Label0 label;
private float spacingX = DEFAULT_SPACING_X;
private float spacingY = DEFAULT_SPACING_Y;
private final AffineTransform tempT1 = new AffineTransform();
private final AffineTransform tempT2 = new AffineTransform();
private final AffineTransform tempT3 = new AffineTransform();
public Button(final int renderModes, final Font labelFont,
final String labelText, final float width,
final float height) {
super(renderModes | Region.COLORCHANNEL_RENDERING_BIT, width, height);
this.label = new Label0(labelFont, labelText, new float[] { 1.33f, 1.33f, 1.33f, 1.0f }); // 0.75 * 1.33 = 1.0
setColor(0.75f, 0.75f, 0.75f, 1.0f);
setPressedColorMod(0.9f, 0.9f, 0.9f, 0.7f);
setToggleOffColorMod(0.65f, 0.65f, 0.65f, 1.0f);
setToggleOnColorMod(0.85f, 0.85f, 0.85f, 1.0f);
}
public Font getFont() { return label.getFont(); }
public String getLaben() { return label.getText(); }
@Override
public void draw(final GL2ES2 gl, final RegionRenderer renderer, final int[] sampleCount) {
// Setup poly offset for z-fighting
// gl.glEnable(GL.GL_POLYGON_OFFSET_FILL);
// gl.glPolygonOffset(0f, 1f);
super.draw(gl, renderer, sampleCount);
// gl.glDisable(GL.GL_POLYGON_OFFSET_FILL);
}
@Override
protected void addShapeToRegion() {
final OutlineShape shape = new OutlineShape(vertexFactory);
if(corner == 0.0f) {
createSharpOutline(shape, twoPassLabelZOffset);
} else {
createCurvedOutline(shape, twoPassLabelZOffset);
}
shape.setIsQuadraticNurbs();
shape.setSharpness(oshapeSharpness);
region.addOutlineShape(shape, null, rgbaColor);
box.resize(shape.getBounds());
// Precompute text-box size .. guessing pixelSize
final float lw = box.getWidth() * ( 1f - spacingX ) ;
final float lh = box.getHeight() * ( 1f - spacingY ) ;
final AABBox lbox0_em = label.getFont().getGlyphBounds(label.getText(), tempT1, tempT2);
final float lsx = lw / lbox0_em.getWidth();
final float lsy = lh / lbox0_em.getHeight();
final float lScale = lsx < lsy ? lsx : lsy;
// Setting left-corner transform using text-box in font em-size [0..1]
final AABBox lbox1_s = new AABBox(lbox0_em).scale2(lScale, new float[3]);
// Center text .. (share same center w/ button)
final float[] lctr = lbox1_s.getCenter();
final float[] ctr = box.getCenter();
final float[] ltxy = new float[] { ctr[0] - lctr[0], ctr[1] - lctr[1] };
if( DEBUG_DRAW ) {
System.err.println("Button: dim "+width+" x "+height+", spacing "+spacingX+", "+spacingY);
System.err.println("Button: net-text "+lw+" x "+lh);
System.err.println("Button: shape "+box);
System.err.println("Button: text_em "+lbox0_em+" em, "+label.getText());
System.err.println("Button: lscale "+lsx+" x "+lsy+" -> "+lScale);
System.err.printf ("Button: text_s %s%n", lbox1_s);
System.err.printf ("Button: ltxy %f / %f, %f / %f%n", ltxy[0], ltxy[1], ltxy[0] * lScale, ltxy[1] * lScale);
}
final AABBox lbox2 = label.addShapeToRegion(lScale, region, ltxy, tempT1, tempT2, tempT3);
if( DEBUG_DRAW ) {
System.err.printf("Button.X: lbox2 %s%n", lbox2);
}
setRotationPivot( ctr );
if( DEBUG_DRAW ) {
System.err.println("XXX.Button: Added Shape: "+shape+", "+box);
}
}
public float get2PassLabelZOffset() { return twoPassLabelZOffset; }
public void set2PassLabelZOffset(final float v) {
twoPassLabelZOffset = v;
markShapeDirty();
}
public final float getSpacingX() { return spacingX; }
public final float getSpacingY() { return spacingY; }
/**
* In percent of text label
* @param spacingX spacing in percent on X, default is {@link #DEFAULT_SPACING_X}
* @param spacingY spacing in percent on Y, default is {@link #DEFAULT_SPACING_Y}
*/
public final void setSpacing(final float spacingX, final float spacingY) {
if ( spacingX < 0.0f ) {
this.spacingX = 0.0f;
} else if ( spacingX > 1.0f ) {
this.spacingX = 1.0f;
} else {
this.spacingX = spacingX;
}
if ( spacingY < 0.0f ) {
this.spacingY = 0.0f;
} else if ( spacingY > 1.0f ) {
this.spacingY = 1.0f;
} else {
this.spacingY = spacingY;
}
markShapeDirty();
}
public final float[] getLabelColor() {
return label.getColor();
}
public final void setLabelColor(final float r, final float g, final float b) {
label.setColor(r, g, b, 1.0f);
markShapeDirty();
}
public final void setFont(final Font labelFont) {
if( !label.getFont().equals(labelFont) ) {
label.setFont(labelFont);
markShapeDirty();
}
}
public final void setLabel(final String labelText) {
if( !label.getText().equals(labelText) ) {
label.setText(labelText);
markShapeDirty();
}
}
public final void setLabel(final Font labelFont, final String labelText) {
if( !label.getText().equals(labelText) || !label.getFont().equals(labelFont) ) {
label.setFont(labelFont);
label.setText(labelText);
markShapeDirty();
}
}
@Override
public String getSubString() {
return super.getSubString()+", "+ label + ", " + "spacing["+spacingX+", "+spacingY+"]";
}
}
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