@Override
protected void onDraw(Canvas canvas) {
mPointCloud.draw(canvas);
mOuterRing.draw(canvas);
final int ntargets = mTargetDrawables.size();
for (int i = 0; i < ntargets; i++) {
TargetDrawable target = mTargetDrawables.get(i);
if (target != null) {
target.draw(canvas);
}
}
mHandleDrawable.draw(canvas);
}
public static void testLoadingImage(String[] args) {
System.out.println("Loading image data: ex 0");
if (args.length < 1) {
System.out.println("Usage: java ImageManipulation image");
System.exit(0);
}
// load input image
BufferedImage bimg = ImageManipulation.loadImage(args[0]);
int dimx = bimg.getWidth();
int dimy = bimg.getHeight();
// get array of pixels from image, in L*u*v* space
WritableRaster raster = bimg.getRaster();
System.out.println("Pixels array created from image");
// build point cloud from raster
int dim = 3;
PointCloud N = ImageManipulation.rasterToPointCloud(raster, dimx, dimy, dim);
// draw input image and corresponding point cloud
System.out.println("dim = " + dim + ", size = " + PointCloud.size(N));
Draw.draw3D(N);
Fenetre fInput = new Fenetre(bimg, "input image");
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
final int width = right - left;
final int height = bottom - top;
// Target placement width/height. This puts the targets on the greater of the ring
// width or the specified outer radius.
final float placementWidth = getRingWidth();
final float placementHeight = getRingHeight();
float newWaveCenterX = mHorizontalInset + (mMaxTargetWidth + placementWidth) / 2;
float newWaveCenterY = mVerticalInset + (mMaxTargetHeight + placementHeight) / 2;
if (mInitialLayout) {
stopAndHideWaveAnimation();
hideTargets(false, false);
mInitialLayout = false;
}
mOuterRing.setPositionX(newWaveCenterX);
mOuterRing.setPositionY(newWaveCenterY);
mPointCloud.setScale(mRingScaleFactor);
mHandleDrawable.setPositionX(newWaveCenterX);
mHandleDrawable.setPositionY(newWaveCenterY);
updateTargetPositions(newWaveCenterX, newWaveCenterY);
updatePointCloudPosition(newWaveCenterX, newWaveCenterY);
updateGlowPosition(newWaveCenterX, newWaveCenterY);
mWaveCenterX = newWaveCenterX;
mWaveCenterY = newWaveCenterY;
if (DEBUG) dump();
}
public GlowPadView(Context context, AttributeSet attrs) {
super(context, attrs);
Resources res = context.getResources();
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.GlowPadView);
mInnerRadius = a.getDimension(R.styleable.GlowPadView_innerRadius, mInnerRadius);
mOuterRadius = a.getDimension(R.styleable.GlowPadView_outerRadius, mOuterRadius);
mSnapMargin = a.getDimension(R.styleable.GlowPadView_snapMargin, mSnapMargin);
mVibrationDuration = a.getInt(R.styleable.GlowPadView_vibrationDuration, mVibrationDuration);
mFeedbackCount = a.getInt(R.styleable.GlowPadView_feedbackCount, mFeedbackCount);
mAllowScaling = a.getBoolean(R.styleable.GlowPadView_allowScaling, false);
TypedValue handle = a.peekValue(R.styleable.GlowPadView_handleDrawable);
mHandleDrawable = new TargetDrawable(res, handle != null ? handle.resourceId : 0, 2);
mHandleDrawable.setState(TargetDrawable.STATE_INACTIVE);
mOuterRing =
new TargetDrawable(res, getResourceId(a, R.styleable.GlowPadView_outerRingDrawable), 1);
mAlwaysTrackFinger = a.getBoolean(R.styleable.GlowPadView_alwaysTrackFinger, false);
int pointId = getResourceId(a, R.styleable.GlowPadView_pointDrawable);
Drawable pointDrawable = pointId != 0 ? res.getDrawable(pointId) : null;
mGlowRadius = a.getDimension(R.styleable.GlowPadView_glowRadius, 0.0f);
TypedValue outValue = new TypedValue();
// Read array of target drawables
if (a.getValue(R.styleable.GlowPadView_targetDrawables, outValue)) {
internalSetTargetResources(outValue.resourceId);
}
if (mTargetDrawables == null || mTargetDrawables.size() == 0) {
throw new IllegalStateException("Must specify at least one target drawable");
}
// Read array of target descriptions
if (a.getValue(R.styleable.GlowPadView_targetDescriptions, outValue)) {
final int resourceId = outValue.resourceId;
if (resourceId == 0) {
throw new IllegalStateException("Must specify target descriptions");
}
setTargetDescriptionsResourceId(resourceId);
}
// Read array of direction descriptions
if (a.getValue(R.styleable.GlowPadView_directionDescriptions, outValue)) {
final int resourceId = outValue.resourceId;
if (resourceId == 0) {
throw new IllegalStateException("Must specify direction descriptions");
}
setDirectionDescriptionsResourceId(resourceId);
}
a.recycle();
// Use gravity attribute from LinearLayout
// a = context.obtainStyledAttributes(attrs, R.styleable.LinearLayout);
mGravity = a.getInt(R.styleable.GlowPadView_android_gravity, Gravity.TOP);
a.recycle();
setVibrateEnabled(mVibrationDuration > 0);
assignDefaultsIfNeeded();
mPointCloud = new PointCloud(pointDrawable);
mPointCloud.makePointCloud(mInnerRadius, mOuterRadius);
mPointCloud.glowManager.setRadius(mGlowRadius);
}
private void updatePointCloudPosition(float centerX, float centerY) {
mPointCloud.setCenter(centerX, centerY);
}
