/**
* 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.
*
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* 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
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package com.jogamp.graph.ui.gl;
import java.util.ArrayList;
import com.jogamp.nativewindow.NativeWindowException;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.newt.event.GestureHandler.GestureEvent;
import com.jogamp.newt.event.GestureHandler.GestureListener;
import com.jogamp.newt.event.MouseAdapter;
import com.jogamp.newt.event.NEWTEvent;
import com.jogamp.newt.event.PinchToZoomGesture;
import com.jogamp.newt.event.MouseEvent;
import com.jogamp.newt.event.MouseListener;
import com.jogamp.opengl.math.FloatUtil;
import com.jogamp.opengl.math.Quaternion;
import com.jogamp.opengl.math.VectorUtil;
import com.jogamp.opengl.math.geom.AABBox;
import com.jogamp.opengl.util.PMVMatrix;
/**
* Generic UI Shape, potentially using a Graph via {@link GraphShape} or other means of representing content.
* <p>
* A shape includes the following build-in user-interactions
* - drag shape w/ 1-pointer click, see {@link #setDraggable(boolean)}
* - resize shape w/ 1-pointer click and drag in 1/4th bottom-left and bottom-right corner, see {@link #setResizable(boolean)}.
* </p>
* <p>
* A shape is expected to have its 0/0 origin in its bottom-left corner, otherwise the drag-zoom sticky-edge will not work as expected.
* </p>
* <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 Shape {
public static interface Listener {
void run(final Shape shape);
}
protected static final boolean DRAW_DEBUG_BOX = false;
private static final boolean DEBUG = false;
private static final int DIRTY_SHAPE = 1 << 0 ;
private static final int DIRTY_STATE = 1 << 1 ;
protected final AABBox box;
private final float[] position = new float[] { 0f, 0f, 0f };
private final Quaternion rotation = new Quaternion();
private final float[] rotPivot = new float[] { 0f, 0f, 0f };
private final float[] scale = new float[] { 1f, 1f, 1f };
private volatile int dirty = DIRTY_SHAPE | DIRTY_STATE;
private final Object dirtySync = new Object();
/** Default base-color w/o color channel, will be modulated w/ pressed- and toggle color */
protected final float[] rgbaColor = {0.75f, 0.75f, 0.75f, 1.0f};
/** Default pressed color-factor w/o color channel, modulated base-color. 0.75 * 1.2 = 0.9 */
protected final float[] pressedRGBAModulate = {1.2f, 1.2f, 1.2f, 0.7f};
/** Default toggle color-factor w/o color channel, modulated base-color. 0.75 * 1.13 ~ 0.85 */
protected final float[] toggleOnRGBAModulate = {1.13f, 1.13f, 1.13f, 1.0f};
/** Default toggle color-factor w/o color channel, modulated base-color. 0.75 * 0.86 ~ 0.65 */
protected final float[] toggleOffRGBAModulate = {0.86f, 0.86f, 0.86f, 1.0f};
private int name = -1;
private boolean down = false;
private boolean toggle = false;
private boolean toggleable = false;
private boolean draggable = true;
private boolean resizable = true;
private boolean enabled = true;
private ArrayList<MouseGestureListener> mouseListeners = new ArrayList<MouseGestureListener>();
private Listener onMoveListener = null;
public Shape() {
this.box = new AABBox();
}
/** Set a symbolic name for this shape for identification. Default is -1 for noname. */
public final void setName(final int name) { this.name = name; }
/** Return the optional symbolic name for this shape. */
public final int getName() { return this.name; }
/** Returns true if this shape is enabled and hence visible, otherwise false. */
public final boolean isEnabled() { return enabled; }
/** Enable or disable this shape, i.e. its visibility. */
public final void setEnabled(final boolean v) { enabled = v; }
/**
* Clears all data and reset all states as if this instance was newly created
* @param gl TODO
* @param renderer TODO
*/
public final void clear(final GL2ES2 gl, final RegionRenderer renderer) {
synchronized ( dirtySync ) {
clearImpl0(gl, renderer);
position[0] = 0f;
position[1] = 0f;
position[2] = 0f;
rotation.setIdentity();
rotPivot[0] = 0f;
rotPivot[1] = 0f;
rotPivot[2] = 0f;
scale[0] = 1f;
scale[1] = 1f;
scale[2] = 1f;
box.reset();
markShapeDirty();
}
}
/**
* Destroys all data
* @param gl
* @param renderer
*/
public final void destroy(final GL2ES2 gl, final RegionRenderer renderer) {
destroyImpl0(gl, renderer);
position[0] = 0f;
position[1] = 0f;
position[2] = 0f;
rotation.setIdentity();
rotPivot[0] = 0f;
rotPivot[1] = 0f;
rotPivot[2] = 0f;
scale[0] = 1f;
scale[1] = 1f;
scale[2] = 1f;
box.reset();
markShapeDirty();
}
public final void onMove(final Listener l) { onMoveListener = l; }
/** Move to scaled position. Position ends up in PMVMatrix unmodified. */
public final void moveTo(final float tx, final float ty, final float tz) {
position[0] = tx;
position[1] = ty;
position[2] = tz;
if( null != onMoveListener ) {
onMoveListener.run(this);
}
// System.err.println("Shape.setTranslate: "+tx+"/"+ty+"/"+tz+": "+toString());
}
/** Move about scaled distance. Position ends up in PMVMatrix unmodified. */
public final void move(final float dtx, final float dty, final float dtz) {
position[0] += dtx;
position[1] += dty;
position[2] += dtz;
if( null != onMoveListener ) {
onMoveListener.run(this);
}
// System.err.println("Shape.translate: "+tx+"/"+ty+"/"+tz+": "+toString());
}
/** Returns float[3] position, i.e. scaled translation as set via {@link #moveTo(float, float, float) or {@link #move(float, float, float)}}. */
public final float[] getPosition() { return position; }
/** Returns {@link Quaternion} for rotation. */
public final Quaternion getRotation() { return rotation; }
/** Return float[3] unscaled rotation origin, aka pivot. */
public final float[] getRotationPivot() { return rotPivot; }
/** Set unscaled rotation origin, aka pivot. Usually the {@link #getBounds()} center and should be set while {@link #validateImpl(GLProfile, GL2ES2)}. */
public final void setRotationPivot(final float rx, final float ry, final float rz) {
rotPivot[0] = rx;
rotPivot[1] = ry;
rotPivot[2] = rz;
}
/**
* Set unscaled rotation origin, aka pivot. Usually the {@link #getBounds()} center and should be set while {@link #validateImpl(GLProfile, GL2ES2)}.
* @param pivot float[3] rotation origin
*/
public final void setRotationPivot(final float[/*3*/] pivot) {
System.arraycopy(pivot, 0, rotPivot, 0, 3);
}
/**
* Set scale factor to given scale.
* @see #scale(float, float, float)
* @see #getScale()
*/
public final void setScale(final float sx, final float sy, final float sz) {
scale[0] = sx;
scale[1] = sy;
scale[2] = sz;
}
/**
* Multiply current scale factor by given scale.
* @see #setScale(float, float, float)
* @see #getScale()
*/
public final void scale(final float sx, final float sy, final float sz) {
scale[0] *= sx;
scale[1] *= sy;
scale[2] *= sz;
}
/**
* Returns float[3] scale factors.
* @see #setScale(float, float, float)
* @see #scale(float, float, float)
*/
public final float[] getScale() { return scale; }
/** Returns X-axis scale factor. */
public final float getScaleX() { return scale[0]; }
/** Returns Y-axis scale factor. */
public final float getScaleY() { return scale[1]; }
/** Returns Z-axis scale factor. */
public final float getScaleZ() { return scale[2]; }
/**
* Marks the shape dirty, causing next {@link #draw(GL2ES2, RegionRenderer, int[]) draw()}
* to recreate the Graph shape and reset the region.
*/
public final void markShapeDirty() {
synchronized ( dirtySync ) {
dirty |= DIRTY_SHAPE;
}
}
/**
* Marks the rendering state dirty, causing next {@link #draw(GL2ES2, RegionRenderer, int[]) draw()}
* to notify the Graph region to reselect shader and repaint potentially used FBOs.
*/
public final void markStateDirty() {
synchronized ( dirtySync ) {
dirty |= DIRTY_STATE;
}
}
protected final boolean isShapeDirty() {
return 0 != ( dirty & DIRTY_SHAPE ) ;
}
protected final boolean isStateDirty() {
return 0 != ( dirty & DIRTY_STATE ) ;
}
/**
* Returns the unscaled bounding {@link AABBox} for this shape, borrowing internal instance.
*
* The returned {@link AABBox} will only cover this unscaled shape
* after an initial call to {@link #draw(GL2ES2, RegionRenderer, int[]) draw(..)}
* or {@link #validate(GL2ES2)}.
*
* @see #getBounds(GLProfile)
*/
public final AABBox getBounds() { return box; }
/**
* Returns the scaled width of the bounding {@link AABBox} for this shape.
*
* The returned width will only cover the scaled shape
* after an initial call to {@link #draw(GL2ES2, RegionRenderer, int[]) draw(..)}
* or {@link #validate(GL2ES2)}.
*
* @see #getBounds()
*/
public final float getScaledWidth() {
return box.getWidth() * getScaleX();
}
/**
* Returns the scaled height of the bounding {@link AABBox} for this shape.
*
* The returned height will only cover the scaled shape
* after an initial call to {@link #draw(GL2ES2, RegionRenderer, int[]) draw(..)}
* or {@link #validate(GL2ES2)}.
*
* @see #getBounds()
*/
public final float getScaledHeight() {
return box.getHeight() * getScaleY();
}
/**
* Returns the unscaled bounding {@link AABBox} for this shape.
*
* This variant differs from {@link #getBounds()} as it
* returns a valid {@link AABBox} even before {@link #draw(GL2ES2, RegionRenderer, int[]) draw(..)}
* and having an OpenGL instance available.
*
* @see #getBounds()
*/
public final AABBox getBounds(final GLProfile glp) {
validate(glp);
return box;
}
/** Experimental selection draw command used by {@link Scene}. */
public void drawToSelect(final GL2ES2 gl, final RegionRenderer renderer, final int[] sampleCount) {
synchronized ( dirtySync ) {
validate(gl);
drawImpl0(gl, renderer, sampleCount, null);
}
}
private final float[] rgba_tmp = { 0, 0, 0, 1 };
/**
* Renders the shape.
* <p>
* {@link #setTransform(PMVMatrix)} is expected to be completed beforehand.
* </p>
* @param gl the current GL object
* @param renderer {@link RegionRenderer} which might be used for Graph Curve Rendering, also source of {@link RegionRenderer#getMatrix()} and {@link RegionRenderer#getViewport()}.
* @param sampleCount sample count if used by Graph renderModes
*/
public void draw(final GL2ES2 gl, final RegionRenderer renderer, final int[] sampleCount) {
final boolean isPressed = isPressed(), isToggleOn = isToggleOn();
final float[] rgba;
if( hasColorChannel() ) {
if( isPressed ) {
rgba = pressedRGBAModulate;
} else if( isToggleable() ) {
if( isToggleOn ) {
rgba = toggleOnRGBAModulate;
} else {
rgba = toggleOffRGBAModulate;
}
} else {
rgba = rgbaColor;
}
} else {
rgba = rgba_tmp;
if( isPressed ) {
rgba[0] = rgbaColor[0]*pressedRGBAModulate[0];
rgba[1] = rgbaColor[1]*pressedRGBAModulate[1];
rgba[2] = rgbaColor[2]*pressedRGBAModulate[2];
rgba[3] = rgbaColor[3]*pressedRGBAModulate[3];
} else if( isToggleable() ) {
if( isToggleOn ) {
rgba[0] = rgbaColor[0]*toggleOnRGBAModulate[0];
rgba[1] = rgbaColor[1]*toggleOnRGBAModulate[1];
rgba[2] = rgbaColor[2]*toggleOnRGBAModulate[2];
rgba[3] = rgbaColor[3]*toggleOnRGBAModulate[3];
} else {
rgba[0] = rgbaColor[0]*toggleOffRGBAModulate[0];
rgba[1] = rgbaColor[1]*toggleOffRGBAModulate[1];
rgba[2] = rgbaColor[2]*toggleOffRGBAModulate[2];
rgba[3] = rgbaColor[3]*toggleOffRGBAModulate[3];
}
} else {
rgba[0] = rgbaColor[0];
rgba[1] = rgbaColor[1];
rgba[2] = rgbaColor[2];
rgba[3] = rgbaColor[3];
}
}
synchronized ( dirtySync ) {
validate(gl);
drawImpl0(gl, renderer, sampleCount, rgba);
}
}
/**
* Validates the shape's underlying {@link GLRegion}.
* <p>
* If the region is dirty, it gets {@link GLRegion#clear(GL2ES2) cleared} and is reused.
* </p>
* @param gl current {@link GL2ES2} object
* @see #validate(GLProfile)
*/
public final void validate(final GL2ES2 gl) {
synchronized ( dirtySync ) {
if( isShapeDirty() ) {
box.reset();
}
validateImpl(gl.getGLProfile(), gl);
dirty = 0;
}
}
/**
* Validates the shape's underlying {@link GLRegion} w/o a current {@link GL2ES2} object
* <p>
* If the region is dirty a new region is created
* and the old one gets pushed to a dirty-list to get disposed when a GL context is available.
* </p>
* @see #validate(GL2ES2)
*/
public final void validate(final GLProfile glp) {
synchronized ( dirtySync ) {
if( isShapeDirty() ) {
box.reset();
}
validateImpl(glp, null);
dirty = 0;
}
}
/**
* Setup the pre-selected {@link GLMatrixFunc#GL_MODELVIEW} {@link PMVMatrix} for this object.
* - Scale shape from its center position
* - Rotate shape around optional scaled pivot, see {@link #setRotationPivot(float[])}), otherwise rotate around its scaled center (default)
* <p>
* Shape's origin should be bottom-left @ 0/0 to have build-in drag-zoom work properly.
* </p>
* @param pmv the matrix
* @see #setRotationPivot(float[])
* @see #getRotation()
* @see #moveTo(float, float, float)
* @see #setScale(float, float, float)
*/
public void setTransform(final PMVMatrix pmv) {
final boolean hasScale = !VectorUtil.isVec3Equal(scale, 0, VectorUtil.VEC3_ONE, 0, FloatUtil.EPSILON);
final boolean hasRotate = !rotation.isIdentity();
final boolean hasRotPivot = !VectorUtil.isVec3Zero(rotPivot, 0, FloatUtil.EPSILON);
final float[] ctr = box.getCenter();
final boolean sameScaleRotatePivot = hasScale && hasRotate && ( !hasRotPivot || VectorUtil.isVec3Equal(rotPivot, 0, ctr, 0, FloatUtil.EPSILON) );
pmv.glTranslatef(position[0], position[1], position[2]); // translate, scaled
if( sameScaleRotatePivot ) {
// Scale shape from its center position and rotate around its center
pmv.glTranslatef(ctr[0]*scale[0], ctr[1]*scale[1], ctr[2]*scale[2]); // add-back center, scaled
pmv.glRotate(rotation);
pmv.glScalef(scale[0], scale[1], scale[2]);
pmv.glTranslatef(-ctr[0], -ctr[1], -ctr[2]); // move to center
} else if( hasRotate || hasScale ) {
if( hasRotate ) {
if( hasRotPivot ) {
// Rotate shape around its scaled pivot
pmv.glTranslatef(rotPivot[0]*scale[0], rotPivot[1]*scale[1], rotPivot[2]*scale[2]); // pivot back from rot-pivot, scaled
pmv.glRotate(rotation);
pmv.glTranslatef(-rotPivot[0]*scale[0], -rotPivot[1]*scale[1], -rotPivot[2]*scale[2]); // pivot to rot-pivot, scaled
} else {
// Rotate shape around its scaled center
pmv.glTranslatef(ctr[0]*scale[0], ctr[1]*scale[1], ctr[2]*scale[2]); // pivot back from center-pivot, scaled
pmv.glRotate(rotation);
pmv.glTranslatef(-ctr[0]*scale[0], -ctr[1]*scale[1], -ctr[2]*scale[2]); // pivot to center-pivot, scaled
}
}
if( hasScale ) {
// Scale shape from its center position
pmv.glTranslatef(ctr[0]*scale[0], ctr[1]*scale[1], ctr[2]*scale[2]); // add-back center, scaled
pmv.glScalef(scale[0], scale[1], scale[2]);
pmv.glTranslatef(-ctr[0], -ctr[1], -ctr[2]); // move to center
}
}
// TODO: Add alignment features.
}
/**
* Retrieve surface (view) size of this shape.
* <p>
* The given {@link PMVMatrix} has to be setup properly for this object,
* i.e. its {@link GLMatrixFunc#GL_PROJECTION} and {@link GLMatrixFunc#GL_MODELVIEW} for the surrounding scene
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param pmv well formed {@link PMVMatrix}, e.g. could have been setup via {@link Scene#setupMatrix(PMVMatrix) setupMatrix(..)} and {@link #setTransform(PMVMatrix)}.
* @param viewport the int[4] viewport
* @param surfaceSize int[2] target surface size
* @return given int[2] {@code surfaceSize} for successful gluProject(..) operation, otherwise {@code null}
* @see #getSurfaceSize(com.jogamp.graph.ui.gl.Scene.PMVMatrixSetup, int[], PMVMatrix, int[])
* @see #getSurfaceSize(Scene, PMVMatrix, int[])
*/
public int[/*2*/] getSurfaceSize(final PMVMatrix pmv, final int[/*4*/] viewport, final int[/*2*/] surfaceSize) {
// System.err.println("Shape::getSurfaceSize.VP "+viewport[0]+"/"+viewport[1]+" "+viewport[2]+"x"+viewport[3]);
final float[] winCoordHigh = new float[3];
final float[] winCoordLow = new float[3];
final float[] high = getBounds().getHigh();
final float[] low = getBounds().getLow();
if( pmv.gluProject(high[0], high[1], high[2], viewport, 0, winCoordHigh, 0) ) {
// System.err.printf("Shape::surfaceSize.H: shape %d: obj [%f, %f, %f] -> win [%f, %f, %f]%n", getName(), high[0], high[1], high[2], winCoordHigh[0], winCoordHigh[1], winCoordHigh[2]);
if( pmv.gluProject(low[0], low[1], low[2], viewport, 0, winCoordLow, 0) ) {
// System.err.printf("Shape::surfaceSize.L: shape %d: obj [%f, %f, %f] -> win [%f, %f, %f]%n", getName(), low[0], low[1], low[2], winCoordLow[0], winCoordLow[1], winCoordLow[2]);
surfaceSize[0] = (int)(winCoordHigh[0] - winCoordLow[0]);
surfaceSize[1] = (int)(winCoordHigh[1] - winCoordLow[1]);
// System.err.printf("Shape::surfaceSize.S: shape %d: %f x %f -> %d x %d%n", getName(), winCoordHigh[0] - winCoordLow[0], winCoordHigh[1] - winCoordLow[1], surfaceSize[0], surfaceSize[1]);
return surfaceSize;
}
}
return null;
}
/**
* Retrieve surface (view) size of this shape.
* <p>
* The given {@link PMVMatrix} will be {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} properly for this shape
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param pmvMatrixSetup {@link Scene.PMVMatrixSetup} to {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} given {@link PMVMatrix} {@code pmv}.
* @param viewport used viewport for {@link PMVMatrix#gluProject(float, float, float, int[], int, float[], int)}
* @param pmv a new {@link PMVMatrix} which will {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) be setup},
* {@link #setTransform(PMVMatrix) shape-transformed} and can be reused by the caller.
* @param surfaceSize int[2] target surface size
* @return given int[2] {@code surfaceSize} for successful gluProject(..) operation, otherwise {@code null}
* @see #getSurfaceSize(PMVMatrix, int[], int[])
* @see #getSurfaceSize(Scene, PMVMatrix, int[])
*/
public int[/*2*/] getSurfaceSize(final Scene.PMVMatrixSetup pmvMatrixSetup, final int[/*4*/] viewport, final PMVMatrix pmv, final int[/*2*/] surfaceSize) {
pmvMatrixSetup.set(pmv, viewport[0], viewport[1], viewport[2], viewport[3]);
setTransform(pmv);
return getSurfaceSize(pmv, viewport, surfaceSize);
}
/**
* Retrieve surface (view) size of this shape.
* <p>
* The given {@link PMVMatrix} will be {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} properly for this shape
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param scene {@link Scene} to retrieve {@link Scene.PMVMatrixSetup} and the viewport.
* @param pmv a new {@link PMVMatrix} which will {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) be setup},
* {@link #setTransform(PMVMatrix) shape-transformed} and can be reused by the caller.
* @param surfaceSize int[2] target surface size
* @return given int[2] {@code surfaceSize} for successful gluProject(..) operation, otherwise {@code null}
* @see #getSurfaceSize(PMVMatrix, int[], int[])
* @see #getSurfaceSize(com.jogamp.graph.ui.gl.Scene.PMVMatrixSetup, int[], PMVMatrix, int[])
*/
public int[/*2*/] getSurfaceSize(final Scene scene, final PMVMatrix pmv, final int[/*2*/] surfaceSize) {
return getSurfaceSize(scene.getPMVMatrixSetup(), scene.getViewport(), pmv, surfaceSize);
}
/**
* Retrieve pixel per scaled shape-coordinate unit, i.e. [px]/[obj].
* <p>
* The given {@link PMVMatrix} will be {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} properly for this shape
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param scene {@link Scene} to retrieve {@link Scene.PMVMatrixSetup} and the viewport.
* @param pmv a new {@link PMVMatrix} which will {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) be setup},
* {@link #setTransform(PMVMatrix) shape-transformed} and can be reused by the caller.
* @param pixPerShape float[2] pixel per scaled shape-coordinate unit result storage
* @return given float[2] {@code pixPerShape} for successful gluProject(..) operation, otherwise {@code null}
* @see #getPixelPerShapeUnit(int[], float[])
* @see #getSurfaceSize(Scene, PMVMatrix, int[])
* @see #getScaledWidth()
* @see #getScaledHeight()
*/
public float[] getPixelPerShapeUnit(final Scene scene, final PMVMatrix pmv, final float[] pixPerShape) {
final int[] shapeSizePx = new int[2];
if( null != getSurfaceSize(scene, new PMVMatrix(), shapeSizePx) ) {
return getPixelPerShapeUnit(shapeSizePx, pixPerShape);
} else {
return null;
}
}
/**
* Retrieve pixel per scaled shape-coordinate unit, i.e. [px]/[obj].
* @param shapeSizePx int[2] shape size in pixel as retrieved via e.g. {@link #getSurfaceSize(com.jogamp.graph.ui.gl.Scene.PMVMatrixSetup, int[], PMVMatrix, int[])}
* @param pixPerShape float[2] pixel scaled per shape-coordinate unit result storage
* @return given float[2] {@code pixPerShape}
* @see #getPixelPerShapeUnit(Scene, PMVMatrix, float[])
* @see #getSurfaceSize(com.jogamp.graph.ui.gl.Scene.PMVMatrixSetup, int[], PMVMatrix, int[])
* @see #getScaledWidth()
* @see #getScaledHeight()
*/
public float[] getPixelPerShapeUnit(final int[] shapeSizePx, final float[] pixPerShape) {
pixPerShape[0] = shapeSizePx[0] / getScaledWidth();
pixPerShape[0] = shapeSizePx[1] / getScaledHeight();
return pixPerShape;
}
/**
* Map given object coordinate relative to this shape to window coordinates.
* <p>
* The given {@link PMVMatrix} has to be setup properly for this object,
* i.e. its {@link GLMatrixFunc#GL_PROJECTION} and {@link GLMatrixFunc#GL_MODELVIEW} for the surrounding scene
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param pmv well formed {@link PMVMatrix}, e.g. could have been setup via {@link Scene#setupMatrix(PMVMatrix) setupMatrix(..)} and {@link #setTransform(PMVMatrix)}.
* @param viewport the int[4] viewport
* @param objPos float[3] object position relative to this shape's center
* @param glWinPos int[2] target window position of objPos relative to this shape
* @return given int[2] {@code glWinPos} for successful gluProject(..) operation, otherwise {@code null}
* @see #shapeToWinCoord(com.jogamp.graph.ui.gl.Scene.PMVMatrixSetup, int[], float[], PMVMatrix, int[])
* @see #shapeToWinCoord(Scene, float[], PMVMatrix, int[])
*/
public int[/*2*/] shapeToWinCoord(final PMVMatrix pmv, final int[/*4*/] viewport, final float[/*3*/] objPos, final int[/*2*/] glWinPos) {
// System.err.println("Shape::objToWinCoordgetSurfaceSize.VP "+viewport[0]+"/"+viewport[1]+" "+viewport[2]+"x"+viewport[3]);
final float[] winCoord = new float[3];
if( pmv.gluProject(objPos[0], objPos[1], objPos[2], viewport, 0, winCoord, 0) ) {
// System.err.printf("Shape::objToWinCoord.0: shape %d: obj [%f, %f, %f] -> win [%f, %f, %f]%n", getName(), objPos[0], objPos[1], objPos[2], winCoord[0], winCoord[1], winCoord[2]);
glWinPos[0] = (int)(winCoord[0]);
glWinPos[1] = (int)(winCoord[1]);
// System.err.printf("Shape::objToWinCoord.X: shape %d: %f / %f -> %d / %d%n", getName(), winCoord[0], winCoord[1], glWinPos[0], glWinPos[1]);
return glWinPos;
}
return null;
}
/**
* Map given object coordinate relative to this shape to window coordinates.
* <p>
* The given {@link PMVMatrix} will be {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} properly for this shape
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param pmvMatrixSetup {@link Scene.PMVMatrixSetup} to {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} given {@link PMVMatrix} {@code pmv}.
* @param viewport used viewport for {@link PMVMatrix#gluProject(float, float, float, int[], int, float[], int)}
* @param objPos float[3] object position relative to this shape's center
* @param pmv a new {@link PMVMatrix} which will {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) be setup},
* {@link #setTransform(PMVMatrix) shape-transformed} and can be reused by the caller.
* @param glWinPos int[2] target window position of objPos relative to this shape
* @return given int[2] {@code glWinPos} for successful gluProject(..) operation, otherwise {@code null}
* @see #shapeToWinCoord(PMVMatrix, int[], float[], int[])
* @see #shapeToWinCoord(Scene, float[], PMVMatrix, int[])
*/
public int[/*2*/] shapeToWinCoord(final Scene.PMVMatrixSetup pmvMatrixSetup, final int[/*4*/] viewport, final float[/*3*/] objPos, final PMVMatrix pmv, final int[/*2*/] glWinPos) {
pmvMatrixSetup.set(pmv, viewport[0], viewport[1], viewport[2], viewport[3]);
setTransform(pmv);
return this.shapeToWinCoord(pmv, viewport, objPos, glWinPos);
}
/**
* Map given object coordinate relative to this shape to window coordinates.
* <p>
* The given {@link PMVMatrix} will be {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} properly for this shape
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param scene {@link Scene} to retrieve {@link Scene.PMVMatrixSetup} and the viewport.
* @param objPos float[3] object position relative to this shape's center
* @param pmv a new {@link PMVMatrix} which will {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) be setup},
* {@link #setTransform(PMVMatrix) shape-transformed} and can be reused by the caller.
* @param glWinPos int[2] target window position of objPos relative to this shape
* @return given int[2] {@code glWinPos} for successful gluProject(..) operation, otherwise {@code null}
* @see #shapeToWinCoord(PMVMatrix, int[], float[], int[])
* @see #shapeToWinCoord(com.jogamp.graph.ui.gl.Scene.PMVMatrixSetup, int[], float[], PMVMatrix, int[])
*/
public int[/*2*/] shapeToWinCoord(final Scene scene, final float[/*3*/] objPos, final PMVMatrix pmv, final int[/*2*/] glWinPos) {
return this.shapeToWinCoord(scene.getPMVMatrixSetup(), scene.getViewport(), objPos, pmv, glWinPos);
}
/**
* Map given gl-window-coordinates to object coordinates relative to this shape and its z-coordinate.
* <p>
* The given {@link PMVMatrix} has to be setup properly for this object,
* i.e. its {@link GLMatrixFunc#GL_PROJECTION} and {@link GLMatrixFunc#GL_MODELVIEW} for the surrounding scene
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param pmv well formed {@link PMVMatrix}, e.g. could have been setup via {@link Scene#setupMatrix(PMVMatrix) setupMatrix(..)} and {@link #setTransform(PMVMatrix)}.
* @param viewport the int[4] viewport
* @param glWinX in GL window coordinates, origin bottom-left
* @param glWinY in GL window coordinates, origin bottom-left
* @param objPos float[3] target object position of glWinX/glWinY relative to this shape
* @return given float[3] {@code objPos} for successful gluProject(..) and gluUnProject(..) operation, otherwise {@code null}
* @see #winToShapeCoord(com.jogamp.graph.ui.gl.Scene.PMVMatrixSetup, int[], int, int, PMVMatrix, float[])
* @see #winToShapeCoord(Scene, int, int, PMVMatrix, float[])
*/
public float[/*3*/] winToShapeCoord(final PMVMatrix pmv, final int[/*4*/] viewport, final int glWinX, final int glWinY, final float[/*3*/] objPos) {
final float[] ctr = getBounds().getCenter();
final float[] tmp = new float[3];
if( pmv.gluProject(ctr[0], ctr[1], ctr[2], viewport, 0, tmp, 0) ) {
// System.err.printf("Shape::winToObjCoord.0: shape %d: obj [%15.10ff, %15.10ff, %15.10ff] -> win [%d / %d -> %7.2ff, %7.2ff, %7.2ff, diff %7.2ff x %7.2ff]%n", getName(), ctr[0], ctr[1], ctr[2], glWinX, glWinY, tmp[0], tmp[1], tmp[2], glWinX-tmp[0], glWinY-tmp[1]);
if( pmv.gluUnProject(glWinX, glWinY, tmp[2], viewport, 0, objPos, 0) ) {
// System.err.printf("Shape::winToObjCoord.X: shape %d: win [%d, %d, %7.2ff] -> obj [%15.10ff, %15.10ff, %15.10ff]%n", getName(), glWinX, glWinY, tmp[2], objPos[0], objPos[1], objPos[2]);
return objPos;
}
}
return null;
}
/**
* Map given gl-window-coordinates to object coordinates relative to this shape and its z-coordinate.
* <p>
* The given {@link PMVMatrix} will be {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} properly for this shape
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param pmvMatrixSetup {@link Scene.PMVMatrixSetup} to {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} given {@link PMVMatrix} {@code pmv}.
* @param viewport used viewport for {@link PMVMatrix#gluUnProject(float, float, float, int[], int, float[], int)}
* @param glWinX in GL window coordinates, origin bottom-left
* @param glWinY in GL window coordinates, origin bottom-left
* @param pmv a new {@link PMVMatrix} which will {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) be setup},
* {@link #setTransform(PMVMatrix) shape-transformed} and can be reused by the caller.
* @param objPos float[3] target object position of glWinX/glWinY relative to this shape
* @return given float[3] {@code objPos} for successful gluProject(..) and gluUnProject(..) operation, otherwise {@code null}
* @see #winToShapeCoord(PMVMatrix, int[], int, int, float[])
* @see #winToShapeCoord(Scene, int, int, PMVMatrix, float[])
*/
public float[/*3*/] winToShapeCoord(final Scene.PMVMatrixSetup pmvMatrixSetup, final int[/*4*/] viewport, final int glWinX, final int glWinY, final PMVMatrix pmv, final float[/*3*/] objPos) {
pmvMatrixSetup.set(pmv, viewport[0], viewport[1], viewport[2], viewport[3]);
setTransform(pmv);
return this.winToShapeCoord(pmv, viewport, glWinX, glWinY, objPos);
}
/**
* Map given gl-window-coordinates to object coordinates relative to this shape and its z-coordinate.
* <p>
* The given {@link PMVMatrix} will be {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) setup} properly for this shape
* including this shape's {@link #setTransform(PMVMatrix)}.
* </p>
* @param scene {@link Scene} to retrieve {@link Scene.PMVMatrixSetup} and the viewport.
* @param glWinX in GL window coordinates, origin bottom-left
* @param glWinY in GL window coordinates, origin bottom-left
* @param pmv a new {@link PMVMatrix} which will {@link Scene.PMVMatrixSetup#set(PMVMatrix, int, int, int, int) be setup},
* {@link #setTransform(PMVMatrix) shape-transformed} and can be reused by the caller.
* @param objPos float[3] target object position of glWinX/glWinY relative to this shape
* @return given float[3] {@code objPos} for successful gluProject(..) and gluUnProject(..) operation, otherwise {@code null}
* @see #winToShapeCoord(PMVMatrix, int[], int, int, float[])
* @see #winToShapeCoord(com.jogamp.graph.ui.gl.Scene.PMVMatrixSetup, int[], int, int, PMVMatrix, float[])
*/
public float[/*3*/] winToShapeCoord(final Scene scene, final int glWinX, final int glWinY, final PMVMatrix pmv, final float[/*3*/] objPos) {
return this.winToShapeCoord(scene.getPMVMatrixSetup(), scene.getViewport(), glWinX, glWinY, pmv, objPos);
}
public float[] getColor() {
return rgbaColor;
}
/**
* Set base color.
* <p>
* Default base-color w/o color channel, will be modulated w/ pressed- and toggle color
* </p>
*/
public final void setColor(final float r, final float g, final float b, final float a) {
this.rgbaColor[0] = r;
this.rgbaColor[1] = g;
this.rgbaColor[2] = b;
this.rgbaColor[3] = a;
}
/**
* Set pressed color.
* <p>
* Default pressed color-factor w/o color channel, modulated base-color. 0.75 * 1.2 = 0.9
* </p>
*/
public final void setPressedColorMod(final float r, final float g, final float b, final float a) {
this.pressedRGBAModulate[0] = r;
this.pressedRGBAModulate[1] = g;
this.pressedRGBAModulate[2] = b;
this.pressedRGBAModulate[3] = a;
}
/**
* Set toggle-on color.
* <p>
* Default toggle-on color-factor w/o color channel, modulated base-color. 0.75 * 1.13 ~ 0.85
* </p>
*/
public final void setToggleOnColorMod(final float r, final float g, final float b, final float a) {
this.toggleOnRGBAModulate[0] = r;
this.toggleOnRGBAModulate[1] = g;
this.toggleOnRGBAModulate[2] = b;
this.toggleOnRGBAModulate[3] = a;
}
/**
* Set toggle-off color.
* <p>
* Default toggle-off color-factor w/o color channel, modulated base-color. 0.75 * 0.86 ~ 0.65
* </p>
*/
public final void setToggleOffColorMod(final float r, final float g, final float b, final float a) {
this.toggleOffRGBAModulate[0] = r;
this.toggleOffRGBAModulate[1] = g;
this.toggleOffRGBAModulate[2] = b;
this.toggleOffRGBAModulate[3] = a;
}
@Override
public final String toString() {
return getClass().getSimpleName()+"["+getSubString()+"]";
}
public String getSubString() {
final String pivotS;
if( !VectorUtil.isVec3Zero(rotPivot, 0, FloatUtil.EPSILON) ) {
pivotS = "pivot["+rotPivot[0]+", "+rotPivot[1]+", "+rotPivot[2]+"], ";
} else {
pivotS = "";
}
final String scaleS;
if( !VectorUtil.isVec3Equal(scale, 0, VectorUtil.VEC3_ONE, 0, FloatUtil.EPSILON) ) {
scaleS = "scale["+scale[0]+", "+scale[1]+", "+scale[2]+"], ";
} else {
scaleS = "scale 1, ";
}
final String rotateS;
if( !rotation.isIdentity() ) {
rotateS = "rot "+rotation+", ";
} else {
rotateS = "";
}
return "enabled "+enabled+", toggle[able "+toggleable+", state "+toggle+"], pos["+position[0]+", "+position[1]+", "+position[2]+
"], "+pivotS+scaleS+rotateS+
"box "+box;
}
//
// Input
//
public void setPressed(final boolean b) {
this.down = b;
markStateDirty();
}
public boolean isPressed() {
return this.down;
}
public void setToggleable(final boolean toggleable) {
this.toggleable = toggleable;
}
/**
* Returns true if this shape is toggable,
* i.e. rendered w/ {@link #setToggleOnColorMod(float, float, float, float)} or {@link #setToggleOffColorMod(float, float, float, float)}.
*/
public boolean isToggleable() {
return toggleable;
}
public void setToggle(final boolean v) {
toggle = v;
markStateDirty();
}
public void toggle() {
if( isToggleable() ) {
toggle = !toggle;
}
markStateDirty();
}
public boolean isToggleOn() { return toggle; }
/**
* Set whether this shape is draggable,
* i.e. translated by 1-pointer-click and drag.
* <p>
* Default draggable is true.
* </p>
*/
public void setDraggable(final boolean draggable) {
this.draggable = draggable;
}
public boolean isDraggable() {
return draggable;
}
/**
* Set whether this shape is resizable,
* i.e. zoomed by 1-pointer-click and drag in 1/4th bottom-left and bottom-right corner.
* <p>
* Default resizable is true.
* </p>
*/
public void setResizable(final boolean resizable) {
this.resizable = resizable;
}
public boolean isResizable() {
return resizable;
}
public final void addMouseListener(final MouseGestureListener l) {
if(l == null) {
return;
}
@SuppressWarnings("unchecked")
final ArrayList<MouseGestureListener> clonedListeners = (ArrayList<MouseGestureListener>) mouseListeners.clone();
clonedListeners.add(l);
mouseListeners = clonedListeners;
}
public final void removeMouseListener(final MouseGestureListener l) {
if (l == null) {
return;
}
@SuppressWarnings("unchecked")
final ArrayList<MouseGestureListener> clonedListeners = (ArrayList<MouseGestureListener>) mouseListeners.clone();
clonedListeners.remove(l);
mouseListeners = clonedListeners;
}
/**
* Combining {@link MouseListener} and {@link GestureListener}
*/
public static interface MouseGestureListener extends MouseListener, GestureListener {
}
/**
* Convenient adapter combining dummy implementation for {@link MouseListener} and {@link GestureListener}
*/
public static abstract class MouseGestureAdapter extends MouseAdapter implements MouseGestureListener {
@Override
public void gestureDetected(final GestureEvent gh) {
}
}
/**
* {@link Shape} event info for propagated {@link NEWTEvent}s
* containing reference of {@link #shape the intended shape} as well as
* the {@link #objPos rotated relative position} to this shape.
* The latter is normalized to bottom-left zero origin, allowing easier usage.
*/
public static class EventInfo {
/** The associated {@link Shape} for this event */
public final Shape shape;
/** The relative object coordinate of glWinX/glWinY to the associated {@link Shape}. */
public final float[] objPos;
/** The GL window coordinates, origin bottom-left */
public final int[] winPos;
/** The drag delta of the relative object coordinate of glWinX/glWinY to the associated {@link Shape}. */
public final float[] objDrag = { 0f, 0f };
/** The drag delta of GL window coordinates, origin bottom-left */
public final int[] winDrag = { 0, 0 };
/**
* Ctor
* @param glWinX in GL window coordinates, origin bottom-left
* @param glWinY in GL window coordinates, origin bottom-left
* @param shape associated shape
* @param objPos relative object coordinate of glWinX/glWinY to the associated shape.
*/
EventInfo(final int glWinX, final int glWinY, final Shape shape, final float[] objPos) {
this.winPos = new int[] { glWinX, glWinY };
this.shape = shape;
this.objPos = objPos;
}
@Override
public String toString() {
return "EventDetails[winPos ["+winPos[0]+", "+winPos[1]+"], objPos ["+objPos[0]+", "+objPos[1]+", "+objPos[2]+"], "+shape+"]";
}
}
private boolean dragFirst = false;
private final float[] objDraggedFirst = { 0f, 0f }; // b/c its relative to Shape and we stick to it
private final int[] winDraggedLast = { 0, 0 }; // b/c its absolute window pos
private boolean inDrag = false;
private int inResize = 0; // 1 br, 2 bl
private static final float resize_sxy_min = 0.03f; // TODO: Maybe customizable?
private static final float resize_section = 1f/5f; // resize action in a corner
/**
* Dispatch given NEWT mouse event to this shape
* @param e original Newt {@link MouseEvent}
* @param glWinX in GL window coordinates, origin bottom-left
* @param glWinY in GL window coordinates, origin bottom-left
* @param objPos object position of mouse event relative to this shape
*/
/* pp */ final void dispatchMouseEvent(final MouseEvent e, final int glWinX, final int glWinY, final float[] objPos) {
final Shape.EventInfo shapeEvent = new EventInfo(glWinX, glWinY, this, objPos);
final short eventType = e.getEventType();
if( 1 == e.getPointerCount() ) {
switch( eventType ) {
case MouseEvent.EVENT_MOUSE_CLICKED:
toggle();
break;
case MouseEvent.EVENT_MOUSE_PRESSED:
dragFirst = true;
setPressed(true);
break;
case MouseEvent.EVENT_MOUSE_RELEASED:
// Release active shape: last pointer has been lifted!
setPressed(false);
inDrag = false;
inResize = 0;
break;
}
}
switch( eventType ) {
case MouseEvent.EVENT_MOUSE_DRAGGED: {
// 1 pointer drag and potential drag-resize
if(dragFirst) {
objDraggedFirst[0] = objPos[0];
objDraggedFirst[1] = objPos[1];
winDraggedLast[0] = glWinX;
winDraggedLast[1] = glWinY;
dragFirst=false;
final float ix = objPos[0];
final float iy = objPos[1];
final float minx_br = box.getMaxX() - box.getWidth() * resize_section;
final float miny_br = box.getMinY();
final float maxx_br = box.getMaxX();
final float maxy_br = box.getMinY() + box.getHeight() * resize_section;
if( minx_br <= ix && ix <= maxx_br &&
miny_br <= iy && iy <= maxy_br ) {
inResize = 1; // bottom-right
} else {
final float minx_bl = box.getMinX();
final float miny_bl = box.getMinY();
final float maxx_bl = box.getMinX() + box.getWidth() * resize_section;
final float maxy_bl = box.getMinY() + box.getHeight() * resize_section;
if( minx_bl <= ix && ix <= maxx_bl &&
miny_bl <= iy && iy <= maxy_bl ) {
inResize = 2; // bottom-left
} else {
inDrag = true;
}
}
if( DEBUG ) {
System.err.printf("DragFirst: drag %b, resize %d, obj[%.4f, %.4f, %.4f], drag +[%.4f, %.4f]%n",
inDrag, inResize, objPos[0], objPos[1], objPos[2], shapeEvent.objDrag[0], shapeEvent.objDrag[1]);
System.err.printf("DragFirst: %s%n", this);
}
return;
}
shapeEvent.objDrag[0] = objPos[0] - objDraggedFirst[0];
shapeEvent.objDrag[1] = objPos[1] - objDraggedFirst[1];
shapeEvent.winDrag[0] = glWinX - winDraggedLast[0];
shapeEvent.winDrag[1] = glWinY - winDraggedLast[1];
winDraggedLast[0] = glWinX;
winDraggedLast[1] = glWinY;
if( 1 == e.getPointerCount() ) {
final float sdx = shapeEvent.objDrag[0] * scale[0]; // apply scale, since operation
final float sdy = shapeEvent.objDrag[1] * scale[1]; // is from a scaled-model-viewpoint
if( 0 != inResize && resizable ) {
final float bw = box.getWidth();
final float bh = box.getHeight();
final float sx;
if( 1 == inResize ) {
sx = scale[0] + sdx/bw; // bottom-right
} else {
sx = scale[0] - sdx/bw; // bottom-left
}
final float sy = scale[1] - sdy/bh;
if( resize_sxy_min <= sx && resize_sxy_min <= sy ) { // avoid scale flip
if( DEBUG ) {
System.err.printf("DragZoom: resize %d, win[%4d, %4d], obj[%.4f, %.4f, %.4f], dxy +[%.4f, %.4f], sdxy +[%.4f, %.4f], scale [%.4f, %.4f] -> [%.4f, %.4f]%n",
inResize, glWinX, glWinY, objPos[0], objPos[1], objPos[2],
shapeEvent.objDrag[0], shapeEvent.objDrag[1], sdx, sdy,
scale[0], scale[1], sx, sy);
}
if( 1 == inResize ) {
move( 0, sdy, 0f); // bottom-right, sticky left- and top-edge
} else {
move( sdx, sdy, 0f); // bottom-left, sticky right- and top-edge
}
setScale(sx, sy, scale[2]);
}
return; // FIXME: pass through event? Issue zoom event?
} else if( inDrag && draggable ) {
if( DEBUG ) {
System.err.printf("DragMove: win[%4d, %4d] +[%2d, %2d], obj[%.4f, %.4f, %.4f] +[%.4f, %.4f]%n",
glWinX, glWinY, shapeEvent.winDrag[0], shapeEvent.winDrag[1],
objPos[0], objPos[1], objPos[2], shapeEvent.objDrag[0], shapeEvent.objDrag[1]);
}
move( sdx, sdy, 0f);
// FIXME: Pass through event? Issue move event?
}
}
}
break;
}
e.setAttachment(shapeEvent);
for(int i = 0; !e.isConsumed() && i < mouseListeners.size(); i++ ) {
final MouseGestureListener l = mouseListeners.get(i);
switch( eventType ) {
case MouseEvent.EVENT_MOUSE_CLICKED:
l.mouseClicked(e);
break;
case MouseEvent.EVENT_MOUSE_ENTERED:
l.mouseEntered(e);
break;
case MouseEvent.EVENT_MOUSE_EXITED:
l.mouseExited(e);
break;
case MouseEvent.EVENT_MOUSE_PRESSED:
l.mousePressed(e);
break;
case MouseEvent.EVENT_MOUSE_RELEASED:
l.mouseReleased(e);
break;
case MouseEvent.EVENT_MOUSE_MOVED:
l.mouseMoved(e);
break;
case MouseEvent.EVENT_MOUSE_DRAGGED:
l.mouseDragged(e);
break;
case MouseEvent.EVENT_MOUSE_WHEEL_MOVED:
l.mouseWheelMoved(e);
break;
default:
throw new NativeWindowException("Unexpected mouse event type " + e.getEventType());
}
}
}
/**
* @param e original Newt {@link GestureEvent}
* @param glWinX x-position in OpenGL model space
* @param glWinY y-position in OpenGL model space
* @param pmv well formed PMVMatrix for this shape
* @param viewport the viewport
* @param objPos object position of mouse event relative to this shape
*/
/* pp */ final void dispatchGestureEvent(final GestureEvent e, final int glWinX, final int glWinY, final PMVMatrix pmv, final int[] viewport, final float[] objPos) {
if( resizable && e instanceof PinchToZoomGesture.ZoomEvent ) {
final PinchToZoomGesture.ZoomEvent ze = (PinchToZoomGesture.ZoomEvent) e;
final float pixels = ze.getDelta() * ze.getScale(); //
final int winX2 = glWinX + Math.round(pixels);
final float[] objPos2 = winToShapeCoord(pmv, viewport, winX2, glWinY, new float[3]);
if( null == objPos2 ) {
return;
}
final float dx = objPos2[0];
final float dy = objPos2[1];
final float sx = scale[0] + ( dx/box.getWidth() ); // bottom-right
final float sy = scale[1] + ( dy/box.getHeight() );
if( DEBUG ) {
System.err.printf("DragZoom: resize %b, obj %4d/%4d, %.3f/%.3f/%.3f %.3f/%.3f/%.3f + %.3f/%.3f -> %.3f/%.3f%n",
inResize, glWinX, glWinY, objPos[0], objPos[1], objPos[2], position[0], position[1], position[2],
dx, dy, sx, sy);
}
if( resize_sxy_min <= sx && resize_sxy_min <= sy ) { // avoid scale flip
if( DEBUG ) {
System.err.printf("PinchZoom: pixels %f, obj %4d/%4d, %.3f/%.3f/%.3f %.3f/%.3f/%.3f + %.3f/%.3f -> %.3f/%.3f%n",
pixels, glWinX, glWinY, objPos[0], objPos[1], objPos[2], position[0], position[1], position[2],
dx, dy, sx, sy);
}
// move(dx, dy, 0f);
setScale(sx, sy, scale[2]);
}
return; // FIXME: pass through event? Issue zoom event?
}
final Shape.EventInfo shapeEvent = new EventInfo(glWinX, glWinY, this, objPos);
e.setAttachment(shapeEvent);
for(int i = 0; !e.isConsumed() && i < mouseListeners.size(); i++ ) {
mouseListeners.get(i).gestureDetected(e);
}
}
//
//
//
protected abstract void validateImpl(final GLProfile glp, final GL2ES2 gl);
protected abstract void drawImpl0(final GL2ES2 gl, final RegionRenderer renderer, final int[] sampleCount, float[] rgba);
protected abstract void clearImpl0(final GL2ES2 gl, final RegionRenderer renderer);
protected abstract void destroyImpl0(final GL2ES2 gl, final RegionRenderer renderer);
protected abstract void addShapeToRegion();
/**
* Returns true if implementation uses an extra color channel or texture
* which will be modulated with the passed rgba color {@link #drawImpl0(GL2ES2, RegionRenderer, int[], float[])}.
*
* Otherwise the base color will be modulated and passed to {@link #drawImpl0(GL2ES2, RegionRenderer, int[], float[])}.
*/
public abstract boolean hasColorChannel();
//
//
//
}