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Diffstat (limited to 'src')
3 files changed, 544 insertions, 0 deletions
diff --git a/src/demos/com/jogamp/opengl/demos/graph/ui/UISceneDemo12.java b/src/demos/com/jogamp/opengl/demos/graph/ui/UISceneDemo12.java new file mode 100644 index 000000000..5e3f1031f --- /dev/null +++ b/src/demos/com/jogamp/opengl/demos/graph/ui/UISceneDemo12.java @@ -0,0 +1,225 @@ +/** + * 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.opengl.demos.graph.ui; + +import java.io.IOException; + +import com.jogamp.graph.curve.Region; +import com.jogamp.graph.font.Font; +import com.jogamp.graph.font.FontFactory; +import com.jogamp.graph.font.FontSet; +import com.jogamp.graph.ui.Group; +import com.jogamp.graph.ui.Scene; +import com.jogamp.graph.ui.Shape; +import com.jogamp.graph.ui.layout.BoxLayout; +import com.jogamp.graph.ui.layout.GridLayout; +import com.jogamp.graph.ui.layout.Margin; +import com.jogamp.graph.ui.layout.Padding; +import com.jogamp.graph.ui.shapes.Button; +import com.jogamp.graph.ui.shapes.Label; +import com.jogamp.graph.ui.shapes.Rectangle; +import com.jogamp.graph.ui.shapes.RoundButton; +import com.jogamp.newt.event.WindowAdapter; +import com.jogamp.newt.event.WindowEvent; +import com.jogamp.newt.opengl.GLWindow; +import com.jogamp.opengl.GL; +import com.jogamp.opengl.GLCapabilities; +import com.jogamp.opengl.GLProfile; +import com.jogamp.opengl.demos.graph.ui.util.GraphUIDemoArgs; +import com.jogamp.opengl.math.geom.AABBox; +import com.jogamp.opengl.util.Animator; + +/** + * Res independent {@link Shape}s in a {@link Group} using a {@link GridLayout}, contained within a Scene attached to GLWindow. + * <p> + * Pass '-keep' to main-function to keep running after animation, + * then user can test Shape drag-move and drag-resize w/ 1-pointer. + * </p> + */ +public class UISceneDemo12 { + static GraphUIDemoArgs options = new GraphUIDemoArgs(1280, 720, Region.VBAA_RENDERING_BIT); + + public static void main(final String[] args) throws IOException { + if( 0 != args.length ) { + final int[] idx = { 0 }; + for (idx[0] = 0; idx[0] < args.length; ++idx[0]) { + if( options.parse(args, idx) ) { + continue; + } + } + } + System.err.println(options); + + final GLProfile reqGLP = GLProfile.get(options.glProfileName); + System.err.println("GLProfile: "+reqGLP); + + final Animator animator = new Animator(); + + final GLCapabilities caps = new GLCapabilities(reqGLP); + caps.setAlphaBits(4); + if( options.sceneMSAASamples > 0 ) { + caps.setSampleBuffers(true); + caps.setNumSamples(options.sceneMSAASamples); + } + System.out.println("Requested: " + caps); + + final GLWindow window = GLWindow.create(caps); + window.setSize(options.surface_width, options.surface_height); + window.setTitle(UISceneDemo12.class.getSimpleName()+": "+window.getSurfaceWidth()+" x "+window.getSurfaceHeight()); + window.setVisible(true); + window.addWindowListener(new WindowAdapter() { + @Override + public void windowResized(final WindowEvent e) { + window.setTitle(UISceneDemo12.class.getSimpleName()+": "+window.getSurfaceWidth()+" x "+window.getSurfaceHeight()); + } + @Override + public void windowDestroyNotify(final WindowEvent e) { + animator.stop(); + } + }); + + + animator.setUpdateFPSFrames(1*60, null); // System.err); + animator.add(window); + animator.start(); + + final Scene scene = new Scene(); + scene.setClearParams(new float[] { 1f, 1f, 1f, 1f}, GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); + scene.setFrustumCullingEnabled(true); + scene.attachInputListenerTo(window); + window.addGLEventListener(scene); + scene.waitUntilDisplayed(); + + // + // Resolution independent, no screen size + // + final Font font = FontFactory.get(FontFactory.UBUNTU).get(FontSet.FAMILY_LIGHT, FontSet.STYLE_SERIF); + System.err.println("Font: "+font.getFullFamilyName()); + + final AABBox sceneBox = scene.getBounds(); + System.err.println("SceneBox "+sceneBox); + + final float sxy = 1/8f; + float nextPos = 0; + + final Group groupA0 = new Group(new BoxLayout( new Padding(0.15f, 0.15f) ) ); + { + groupA0.addShape( new RoundButton(options.renderModes, 0.70f, 0.70f).setCorner(0f).setInteractive(false).setColor(0, 1, 0, 1) ); + groupA0.addShape( new Button(options.renderModes, font, "stack1", 0.50f, 0.50f/2f).setCorner(0f).setDragAndResizeable(false) ); + groupA0.addShape( new Label(options.renderModes, font, 0.70f/4f, "pajq").setDragAndResizeable(false).setColor(0, 0, 1, 1) ); + } + groupA0.setInteractive(true); + groupA0.scale(sxy, sxy, 1); + groupA0.moveTo(sceneBox.getLow()).move(nextPos, 0, 0); + groupA0.validate(reqGLP); + System.err.println("Group-A0 "+groupA0); + System.err.println("Group-A0 Layout "+groupA0.getLayout()); + groupA0.forAll( (shape) -> { System.err.println("Shape... "+shape); return false; }); + scene.addShape(groupA0); + scene.addShape( new Rectangle(options.renderModes, 1f, 1f, 0.01f).scale(sxy, sxy, 1).moveTo(sceneBox.getLow()).move(nextPos, 0, 0).setInteractive(false).setColor(0, 0, 0, 1) ); + nextPos = groupA0.getScaledWidth() * 1.5f; + + final Group groupA1 = new Group(new BoxLayout( 1f, 1f, new Margin(0.05f, 0.05f), new Padding(0.10f, 0.10f) ) ); + { + groupA1.addShape( new RoundButton(options.renderModes, 0.70f, 0.70f).setCorner(0f).setInteractive(false).setColor(0, 1, 0, 1) ); + groupA1.addShape( new Button(options.renderModes, font, "stack2", 0.50f, 0.50f/2f).setCorner(0f).setDragAndResizeable(false) ); + groupA1.addShape( new Label(options.renderModes, font, 0.70f/4f, "pajq").setDragAndResizeable(false).setColor(0, 0, 1, 1) ); + } + groupA1.setInteractive(true); + groupA1.scale(sxy, sxy, 1); + groupA1.moveTo(sceneBox.getLow()).move(nextPos, 0, 0); + groupA1.validate(reqGLP); + System.err.println("Group-A1 "+groupA1); + System.err.println("Group-A1 Layout "+groupA1.getLayout()); + groupA1.forAll( (shape) -> { System.err.println("Shape... "+shape); return false; }); + scene.addShape(groupA1); + scene.addShape( new Rectangle(options.renderModes, 1f, 1f, 0.01f).scale(sxy, sxy, 1).moveTo(sceneBox.getLow()).move(nextPos, 0, 0).setInteractive(false).setColor(0, 0, 0, 1) ); + nextPos += groupA1.getScaledWidth() * 1.5f; + + final Group groupA2 = new Group(new BoxLayout( 1f, 1f, new Margin(0.10f, Margin.CENTER), new Padding(0.05f, 0) ) ); + { + groupA2.addShape( new RoundButton(options.renderModes, 0.70f, 0.70f).setCorner(0f).setInteractive(false).setColor(0, 1, 0, 1) ); + groupA2.addShape( new Button(options.renderModes, font, "stack3", 0.50f, 0.50f/2f).setCorner(0f).setDragAndResizeable(false) ); + groupA2.addShape( new Label(options.renderModes, font, 0.70f/4f, "pajq").setDragAndResizeable(false).setColor(0, 0, 1, 1) ); + } + groupA2.setInteractive(true); + groupA2.scale(sxy, sxy, 1); + groupA2.moveTo(sceneBox.getLow()).move(nextPos, 0, 0); + groupA2.validate(reqGLP); + System.err.println("Group-A2 "+groupA2); + System.err.println("Group-A2 Layout "+groupA2.getLayout()); + groupA2.forAll( (shape) -> { System.err.println("Shape... "+shape); return false; }); + scene.addShape(groupA2); + scene.addShape( new Rectangle(options.renderModes, 1f, 1f, 0.01f).scale(sxy, sxy, 1).moveTo(sceneBox.getLow()).move(nextPos, 0, 0).setInteractive(false).setColor(0, 0, 0, 1) ); + nextPos += groupA2.getScaledWidth() * 1.5f; + + final Group groupA3 = new Group(new BoxLayout( 1f, 1f, new Margin(Margin.CENTER) ) ); + { + groupA3.addShape( new RoundButton(options.renderModes, 0.70f, 0.70f).setCorner(0f).setInteractive(false).setColor(0, 1, 0, 1) ); + groupA3.addShape( new Button(options.renderModes, font, "stack4", 0.50f, 0.50f/2f).setCorner(0f).setDragAndResizeable(false) ); + groupA3.addShape( new Label(options.renderModes, font, 0.70f/4f, "pajq").setDragAndResizeable(false).setColor(0, 0, 1, 1) ); + } + groupA3.setInteractive(true); + groupA3.scale(sxy, sxy, 1); + groupA3.moveTo(sceneBox.getLow()).move(nextPos, 0, 0); + groupA3.validate(reqGLP); + System.err.println("Group-A1 "+groupA3); + System.err.println("Group-A1 Layout "+groupA3.getLayout()); + groupA3.forAll( (shape) -> { System.err.println("Shape... "+shape); return false; }); + scene.addShape(groupA3); + scene.addShape( new Rectangle(options.renderModes, 1f, 1f, 0.01f).scale(sxy, sxy, 1).moveTo(sceneBox.getLow()).move(nextPos, 0, 0).setInteractive(false).setColor(0, 0, 0, 1) ); + nextPos += groupA3.getScaledWidth() * 1.5f; + + // + // + // + nextPos = 0; + + final Group groupB0 = new Group(new GridLayout(2, 1f, 1/2f, new Padding(0.05f, 0.05f))); + { + groupB0.addShape( new Button(options.renderModes, font, "r1 c1", 1f, 1f/2f).setCorner(0f).setDragAndResizeable(false) ); + groupB0.addShape( new Button(options.renderModes, font, "r1 c2", 1f, 1f/2f).setCorner(0f).setDragAndResizeable(false) ); + groupB0.addShape( new Button(options.renderModes, font, "r2 c1", 1f, 1f/2f).setCorner(0f).setDragAndResizeable(false) ); + groupB0.addShape( new Button(options.renderModes, font, "r2 c2", 1f, 1f/2f).setCorner(0f).setDragAndResizeable(false) ); + } + groupB0.setInteractive(true); + groupB0.scale(sxy, sxy, 1); + groupB0.moveTo(sceneBox.getLow()).move(nextPos, sceneBox.getHeight()/2f, 0); + groupB0.validate(reqGLP); + System.err.println("Group-B0 "+groupB0); + System.err.println("Group-B0 Layout "+groupB0.getLayout()); + groupB0.forAll( (shape) -> { System.err.println("Shape... "+shape); return false; }); + scene.addShape(groupB0); + nextPos = groupB0.getScaledWidth() * 1.5f; + + try { Thread.sleep(1000); } catch (final InterruptedException e1) { } + if( !options.stayOpen ) { + window.destroy(); + } + } +} diff --git a/src/graphui/classes/com/jogamp/graph/ui/layout/BoxLayout.java b/src/graphui/classes/com/jogamp/graph/ui/layout/BoxLayout.java new file mode 100644 index 000000000..6f6e610f6 --- /dev/null +++ b/src/graphui/classes/com/jogamp/graph/ui/layout/BoxLayout.java @@ -0,0 +1,122 @@ +/** + * Copyright 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.layout; + +import java.util.List; + +import com.jogamp.graph.ui.Group; +import com.jogamp.graph.ui.Shape; +import com.jogamp.opengl.math.FloatUtil; +import com.jogamp.opengl.math.geom.AABBox; +import com.jogamp.opengl.util.PMVMatrix; + +/** + * GraphUI Stack {@link Group.Layout}. + * <p> + * A stack of {@link Shape}s + * - size kept unscaled + * - position depends on {@Link Padding} and {@link Margin} + * - *cell* size can be set + * </p> + */ +public class BoxLayout implements Group.Layout { + private final float cellWidth, cellHeight; + private final Margin margin; + private final Padding padding; + private final float borderThickness; + + public BoxLayout(final Padding padding) { + this(0f, 0f, new Margin(), padding); + } + public BoxLayout(final float width, final float height, final Margin margin) { + this(width, height, margin, new Padding()); + } + public BoxLayout(final float width, final float height, final Margin margin, final Padding padding) { + this.cellWidth = Math.max(0f, width); + this.cellHeight = Math.max(0f, height); + this.margin = margin; + this.padding = padding; + this.borderThickness = 0f; + } + + public Padding getPadding() { return padding; } + public Margin getMargin() { return margin; } + + @Override + public void layout(final Group g, final AABBox box, final PMVMatrix pmv) { + final boolean hasCellWidth = !FloatUtil.isZero(cellWidth); + final boolean hasCellHeight = !FloatUtil.isZero(cellHeight); + final List<Shape> shapes = g.getShapes(); + final AABBox sbox = new AABBox(); + for(int i=0; i < shapes.size(); ++i) { + final Shape s = shapes.get(i); + pmv.glPushMatrix(); + s.setTransform(pmv); + s.getBounds().transformMv(pmv, sbox); + pmv.glPopMatrix(); + + // adjust size and position (centered) + final float paddedWidth = sbox.getWidth() + padding.width(); + final float paddedHeight = sbox.getHeight() + padding.height(); + final float marginedWidth = paddedWidth + margin.width(); + final float marginedHeight = paddedHeight + margin.height(); + final float cellWidth2 = hasCellWidth ? cellWidth : marginedWidth; + final float cellHeight2 = hasCellHeight ? cellHeight : marginedHeight; + final float x, y; + if( margin.isCenteredHoriz() || hasCellWidth && sbox.getWidth() + padding.width() + margin.width() > cellWidth2 ) { + x = 0; + } else { + x = margin.left + padding.left; + } + if( margin.isCenteredVert() || hasCellHeight && sbox.getHeight() + padding.height() + margin.height() > cellHeight2 ) { + y = 0; + } else { + y = margin.bottom + padding.bottom; + } + float dxh = 0, dyh = 0; + if( margin.isCenteredHoriz() ) { + dxh += 0.5f * ( cellWidth2 - paddedWidth ); // actual horiz-centered + } + if( margin.isCenteredVert() ) { + dyh += 0.5f * ( cellHeight2 - paddedHeight ); // actual vert-centered + } + System.err.println("["+i+"].m: "+x+" / "+y+" + "+dxh+" / "+dyh+", p "+paddedWidth+" x "+paddedHeight+", sz "+cellWidth2+" x "+cellHeight2+", box "+box.getWidth()+" x "+box.getHeight()); + s.moveTo( x + dxh, y + dyh, 0f ); // center the scaled artifact + s.move( sbox.getLow().mul(-1f) ); // remove the bottom-left delta + box.resize( x + cellWidth2 + padding.right, y + cellHeight2 + padding.top, 0); + box.resize( x - padding.left, y - padding.bottom, 0); + System.err.println("["+i+"].x: "+x+" / "+y+" + "+dxh+" / "+dyh+" -> "+s.getPosition()+", p "+paddedWidth+" x "+paddedHeight+", sz "+cellWidth2+" x "+cellHeight2+", box "+box.getWidth()+" x "+box.getHeight()); + } + } + + @Override + public String toString() { + return "Box[cell["+cellWidth+" x "+cellHeight+"], "+margin+", "+padding+"]"; + } +} + diff --git a/src/graphui/classes/com/jogamp/graph/ui/layout/Margin.java b/src/graphui/classes/com/jogamp/graph/ui/layout/Margin.java new file mode 100644 index 000000000..f78c9dea9 --- /dev/null +++ b/src/graphui/classes/com/jogamp/graph/ui/layout/Margin.java @@ -0,0 +1,197 @@ +/** + * Copyright 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.layout; + +import com.jogamp.opengl.math.FloatUtil; + +/** + * GraphUI CSS property Margin, space between or around elements. + * + * The CSS margin properties are used to create space around elements, outside of any defined borders. + * + * {@link Margin#CENTER} is mapped to `zero` while earmarking {@link #isCenteredHoriz()} and {@link #isCenteredVert()}. + * The container must be sized via its layout horizontally and/or vertically matching the centered axis, similar to CSS. + */ +public class Margin { + /** Auto margin value to horizontally and/or vertically center an element within its sized-layout container, value if {@link Float#NaN}. */ + public static final float CENTER = Float.NaN; + + /** Top value */ + public final float top; + /** Right value */ + public final float right; + /** Bottom value */ + public final float bottom; + /** Left value */ + public final float left; + + private final int bits; + static private final int CENTER_HORIZ = 1 << 0; + static private final int CENTER_VERT = 1 << 1; + static private int getBits(final float top, final float right, final float bottom, final float left) { + int b = 0; + if( FloatUtil.isEqual(CENTER, left) && FloatUtil.isEqual(CENTER, right) ) { + b |= CENTER_HORIZ; + } + if( FloatUtil.isEqual(CENTER, top) && FloatUtil.isEqual(CENTER, bottom) ) { + b |= CENTER_VERT; + } + return b; + } + + /** + * Ctor w/ zero values + */ + public Margin() { + top = 0f; right = 0f; bottom = 0f; left = 0f; bits = 0; + } + + /** + * Ctor + * @param top top value + * @param right right value + * @param bottom bottom value + * @param left left value + */ + public Margin(final float top, final float right, final float bottom, final float left) { + this.bits = getBits(top, right, bottom, left); + if( isCenteredVert() ) { + this.top = 0; + this.bottom = 0; + } else { + this.top = top; + this.bottom = bottom; + } + if( isCenteredHoriz() ) { + this.right = 0; + this.left = 0; + } else { + this.right = right; + this.left = left; + } + } + + /** + * Ctor + * @param top top value + * @param rl right and left value, use {@link #CENTER} to horizontally center the element in its container + * @param bottom bottom value + */ + public Margin(final float top, final float rl, final float bottom) { + this.bits = getBits(top, rl, bottom, rl); + if( isCenteredVert() ) { + this.top = 0; + this.bottom = 0; + } else { + this.top = top; + this.bottom = bottom; + } + if( isCenteredHoriz() ) { + this.right = 0; + this.left = 0; + } else { + this.right = rl; + this.left = rl; + } + } + + /** + * Ctor + * @param tb top and bottom value, use {@link #CENTER} to vertically center the element in its container + * @param rl right and left value, use {@link #CENTER} to horizontally center the element in its container + */ + public Margin(final float tb, final float rl) { + this.bits = getBits(tb, rl, tb, rl); + if( isCenteredVert() ) { + this.top = 0; + this.bottom = 0; + } else { + this.top = tb; + this.bottom = tb; + } + if( isCenteredHoriz() ) { + this.right = 0; + this.left = 0; + } else { + this.right = rl; + this.left = rl; + } + } + + /** + * Ctor + * @param trbl top, right, bottom and left value, use {@link #CENTER} to horizontally and vertically center the element in its container. + */ + public Margin(final float trbl) { + this.bits = getBits(trbl, trbl, trbl, trbl); + if( isCenteredVert() ) { + this.top = 0; + this.bottom = 0; + } else { + this.top = trbl; + this.bottom = trbl; + } + if( isCenteredHoriz() ) { + this.right = 0; + this.left = 0; + } else { + this.right = trbl; + this.left = trbl; + } + } + + /** Returns true if {@link #left} and {@link #right} is {@link #CENTER}. */ + public boolean isCenteredHoriz() { + return 0 != ( CENTER_HORIZ & bits ); + } + + /** Returns true if {@link #top} and {@link #bottom} is {@link #CENTER}. */ + public boolean isCenteredVert() { + return 0 != ( CENTER_VERT & bits ); + } + + /** Returns true if {@link #isCenteredHoriz()} and {@link #isCenteredVert()} is true, i.e. for horizontal and vertical center. */ + public boolean isCentered() { + return 0 != ( ( CENTER_VERT | CENTER_HORIZ ) & bits ); + } + + /** Return width of horizontal values top + right. Zero if {@link #isCenteredHoriz()}. */ + public float width() { return left + right; } + + /** Return height of vertical values bottom + top. Zero if {@link #isCenteredVert()}. */ + public float height() { return bottom + top; } + + public boolean zeroSumWidth() { return FloatUtil.isZero( width() ); }; + + public boolean zeroSumHeight() { return FloatUtil.isZero( height() ); }; + + public boolean zeroSumSize() { return zeroSumWidth() && zeroSumHeight(); } + + @Override + public String toString() { return "Margin[t "+top+", r "+right+", b "+bottom+", l "+left+", ctr[h "+isCenteredHoriz()+", v "+isCenteredVert()+"]]"; } +} |