Examples with PathMeasure android.graphics.PathMeasure used on opensource projects

Example 6 with PathMeasure

use of android.graphics.PathMeasure in project LoadingDrawable by dinuscxj.

the class FishLoadingRenderer method computeRender.

@Override
protected void computeRender(float renderProgress) {
    if (mRiverPath == null) {
        return;
    }
    if (mRiverMeasure == null) {
        mRiverMeasure = new PathMeasure(mRiverPath, false);
    }
    float fishProgress = FISH_INTERPOLATOR.getInterpolation(renderProgress);
    mRiverMeasure.getPosTan(mRiverMeasure.getLength() * fishProgress, mFishHeadPos, null);
    mFishRotateDegrees = calculateRotateDegrees(fishProgress);
}

Example 7 with PathMeasure

use of android.graphics.PathMeasure in project LoadingDrawable by dinuscxj.

the class GuardLoadingRenderer method computeRender.

@Override
protected void computeRender(float renderProgress) {
    if (renderProgress <= START_TRIM_DURATION_OFFSET) {
        final float startTrimProgress = (renderProgress) / START_TRIM_DURATION_OFFSET;
        mEndTrim = -MATERIAL_INTERPOLATOR.getInterpolation(startTrimProgress);
        mRotation = START_TRIM_INIT_ROTATION + START_TRIM_MAX_ROTATION * MATERIAL_INTERPOLATOR.getInterpolation(startTrimProgress);
    }
    if (renderProgress <= WAVE_DURATION_OFFSET && renderProgress > START_TRIM_DURATION_OFFSET) {
        final float waveProgress = (renderProgress - START_TRIM_DURATION_OFFSET) / (WAVE_DURATION_OFFSET - START_TRIM_DURATION_OFFSET);
        mWaveProgress = ACCELERATE_INTERPOLATOR.getInterpolation(waveProgress);
    }
    if (renderProgress <= BALL_SKIP_DURATION_OFFSET && renderProgress > WAVE_DURATION_OFFSET) {
        if (mPathMeasure == null) {
            mPathMeasure = new PathMeasure(createSkipBallPath(), false);
        }
        final float ballSkipProgress = (renderProgress - WAVE_DURATION_OFFSET) / (BALL_SKIP_DURATION_OFFSET - WAVE_DURATION_OFFSET);
        mPathMeasure.getPosTan(ballSkipProgress * mPathMeasure.getLength(), mCurrentPosition, null);
        mWaveProgress = 1.0f;
    }
    if (renderProgress <= BALL_SCALE_DURATION_OFFSET && renderProgress > BALL_SKIP_DURATION_OFFSET) {
        final float ballScaleProgress = (renderProgress - BALL_SKIP_DURATION_OFFSET) / (BALL_SCALE_DURATION_OFFSET - BALL_SKIP_DURATION_OFFSET);
        if (ballScaleProgress < 0.5f) {
            mScale = 1.0f + DECELERATE_INTERPOLATOR.getInterpolation(ballScaleProgress * 2.0f);
        } else {
            mScale = 2.0f - ACCELERATE_INTERPOLATOR.getInterpolation((ballScaleProgress - 0.5f) * 2.0f) * 2.0f;
        }
    }
    if (renderProgress >= BALL_SCALE_DURATION_OFFSET) {
        final float endTrimProgress = (renderProgress - BALL_SKIP_DURATION_OFFSET) / (END_TRIM_DURATION_OFFSET - BALL_SKIP_DURATION_OFFSET);
        mEndTrim = -1 + MATERIAL_INTERPOLATOR.getInterpolation(endTrimProgress);
        mRotation = END_TRIM_INIT_ROTATION + END_TRIM_MAX_ROTATION * MATERIAL_INTERPOLATOR.getInterpolation(endTrimProgress);
        mScale = 1.0f;
        mPathMeasure = null;
    }
}

Example 8 with PathMeasure

use of android.graphics.PathMeasure in project CircularFloatingActionMenu by oguzbilgener.

the class FloatingActionMenu method calculateItemPositions.

/**
     * Calculates the desired positions of all items.
     * @return getActionViewCenter()
     */
private Point calculateItemPositions() {
    // Create an arc that starts from startAngle and ends at endAngle
    // in an area that is as large as 4*radius^2
    final Point center = getActionViewCenter();
    RectF area = new RectF(center.x - radius, center.y - radius, center.x + radius, center.y + radius);
    Path orbit = new Path();
    orbit.addArc(area, startAngle, endAngle - startAngle);
    PathMeasure measure = new PathMeasure(orbit, false);
    // Prevent overlapping when it is a full circle
    int divisor;
    if (Math.abs(endAngle - startAngle) >= 360 || subActionItems.size() <= 1) {
        divisor = subActionItems.size();
    } else {
        divisor = subActionItems.size() - 1;
    }
    // Measure this path, in order to find points that have the same distance between each other
    for (int i = 0; i < subActionItems.size(); i++) {
        float[] coords = new float[] { 0f, 0f };
        measure.getPosTan((i) * measure.getLength() / divisor, coords, null);
        // get the x and y values of these points and set them to each of sub action items.
        subActionItems.get(i).x = (int) coords[0] - subActionItems.get(i).width / 2;
        subActionItems.get(i).y = (int) coords[1] - subActionItems.get(i).height / 2;
    }
    return center;
}

Example 9 with PathMeasure

use of android.graphics.PathMeasure in project MaterialProgressBar by DreaminginCodeZH.

the class ObjectAnimatorCompatBase method calculateXYValues.

private static void calculateXYValues(Path path, @Size(NUM_POINTS) float[] xValues, @Size(NUM_POINTS) float[] yValues) {
    PathMeasure pathMeasure = new PathMeasure(path, false);
    float pathLength = pathMeasure.getLength();
    float[] position = new float[2];
    for (int i = 0; i < NUM_POINTS; ++i) {
        float distance = (i * pathLength) / (NUM_POINTS - 1);
        pathMeasure.getPosTan(distance, position, null);
        xValues[i] = position[0];
        yValues[i] = position[1];
    }
}

Example 10 with PathMeasure

use of android.graphics.PathMeasure in project MaterialProgressBar by DreaminginCodeZH.

the class ObjectAnimatorCompatBase method calculateXYValues.

private static void calculateXYValues(Path path, @Size(NUM_POINTS) int[] xValues, @Size(NUM_POINTS) int[] yValues) {
    PathMeasure pathMeasure = new PathMeasure(path, false);
    float pathLength = pathMeasure.getLength();
    float[] position = new float[2];
    for (int i = 0; i < NUM_POINTS; ++i) {
        float distance = (i * pathLength) / (NUM_POINTS - 1);
        pathMeasure.getPosTan(distance, position, null);
        xValues[i] = Math.round(position[0]);
        yValues[i] = Math.round(position[1]);
    }
}