GraphUI: Relocate com.jogamp.graph.ui.gl.* -> com.jogamp.graph.ui.*, resolve GL/VK abstraction at a later time differently

Actual GPU rendering toolkit dependency can be abstracted differently, i.e. GPU <- { GL, VK } etc.

1 files changed, 129 insertions, 0 deletions

diff --git a/src/graphui/classes/com/jogamp/graph/ui/shapes/RoundButton.java b/src/graphui/classes/com/jogamp/graph/ui/shapes/RoundButton.java
new file mode 100644
index 000000000..a2ab43ae1
--- /dev/null
+++ b/src/graphui/classes/com/jogamp/graph/ui/shapes/RoundButton.java
@@ -0,0 +1,129 @@
+/**
+ * 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.graph.curve.OutlineShape;
+import com.jogamp.graph.ui.GraphShape;
+
+/**
+ * An abstract GraphUI round Button {@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 abstract class RoundButton extends GraphShape {
+
+    /** {@value} */
+    public static final float DEFAULT_CORNER = 1f;
+    protected float width;
+    protected float height;
+    protected float corner = DEFAULT_CORNER;
+
+    protected RoundButton(final int renderModes, final float width, final float height) {
+        super(renderModes);
+        this.width = width;
+        this.height = height;
+    }
+
+    public final float getWidth() { return width; }
+
+    public final float getHeight() { return height; }
+
+    public final float getCorner() { return corner; }
+
+    public void setSize(final float width, final float height) {
+        this.width = width;
+        this.height = height;
+        markShapeDirty();
+    }
+
+    protected void createSharpOutline(final OutlineShape shape, final float zOffset) {
+        final float tw = getWidth();
+        final float th = getHeight();
+
+        final float minX = 0;
+        final float minY = 0;
+        final float minZ = zOffset;
+
+        shape.addVertex(minX, minY, minZ,  true);
+        shape.addVertex(minX+tw, minY,  minZ, true);
+        shape.addVertex(minX+tw, minY + th, minZ,  true);
+        shape.addVertex(minX, minY + th, minZ,  true);
+        shape.closeLastOutline(true);
+    }
+
+    protected void createCurvedOutline(final OutlineShape shape, final float zOffset) {
+        final float tw = getWidth();
+        final float th = getHeight();
+        final float dC = 0.5f*corner*Math.min(tw, th);
+
+        final float minX = 0;
+        final float minY = 0;
+        final float minZ = zOffset;
+
+        shape.addVertex(minX,           minY + dC,      minZ, true);
+        shape.addVertex(minX,           minY,           minZ, false);
+
+        shape.addVertex(minX + dC,      minY,           minZ, true);
+
+        shape.addVertex(minX + tw - dC, minY,           minZ, true);
+        shape.addVertex(minX + tw,      minY,           minZ, false);
+        shape.addVertex(minX + tw,      minY + dC,      minZ, true);
+        shape.addVertex(minX + tw,      minY + th- dC,  minZ, true);
+        shape.addVertex(minX + tw,      minY + th,      minZ, false);
+        shape.addVertex(minX + tw - dC, minY + th,      minZ, true);
+        shape.addVertex(minX + dC,      minY + th,      minZ, true);
+        shape.addVertex(minX,           minY + th,      minZ, false);
+        shape.addVertex(minX,           minY + th - dC, minZ, true);
+
+        shape.closeLastOutline(true);
+    }
+
+    /** Set corner size, default is {@link #DEFAULT_CORNER} */
+    public void setCorner(final float corner) {
+        if(corner > 1.0f){
+            this.corner = 1.0f;
+        }
+        else if(corner < 0.01f){
+            this.corner = 0.0f;
+        }
+        else{
+            this.corner = corner;
+        }
+        markShapeDirty();
+    }
+
+    @Override
+    public String getSubString() {
+        return super.getSubString()+", dim "+getWidth() + " x " + getHeight() + ", corner " + corner;
+    }
+}