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

Example 16 with Shader

use of android.graphics.Shader in project android_packages_apps_crDroidSettings by crdroidandroid.

the class FloatingActionButton method createInnerStrokesDrawable.

private Drawable createInnerStrokesDrawable(final int color, float strokeWidth) {
    if (!mStrokeVisible) {
        return new ColorDrawable(Color.TRANSPARENT);
    }
    ShapeDrawable shapeDrawable = new ShapeDrawable(new OvalShape());
    final int bottomStrokeColor = darkenColor(color);
    final int bottomStrokeColorHalfTransparent = halfTransparent(bottomStrokeColor);
    final int topStrokeColor = lightenColor(color);
    final int topStrokeColorHalfTransparent = halfTransparent(topStrokeColor);
    final Paint paint = shapeDrawable.getPaint();
    paint.setAntiAlias(true);
    paint.setStrokeWidth(strokeWidth);
    paint.setStyle(Style.STROKE);
    shapeDrawable.setShaderFactory(new ShaderFactory() {

        @Override
        public Shader resize(int width, int height) {
            return new LinearGradient(width / 2, 0, width / 2, height, new int[] { topStrokeColor, topStrokeColorHalfTransparent, color, bottomStrokeColorHalfTransparent, bottomStrokeColor }, new float[] { 0f, 0.2f, 0.5f, 0.8f, 1f }, TileMode.CLAMP);
        }
    });
    return shapeDrawable;
}

Example 17 with Shader

use of android.graphics.Shader in project YhLibraryForAndroid by android-coco.

the class LineChartView method drawLine.

// 画折线
private void drawLine(Canvas canvas) {
    // 画坐标点
    for (int i = 0; i < mItems.size(); i++) {
        float x = i * xInterval + xOrigin + mAxesWidth;
        if (i == 0) {
            mPathShader.moveTo(x, yOrigin - (mItems.get(i).getValue() - min) / yInterval);
            mPath.moveTo(x, yOrigin - (mItems.get(i).getValue() - min) / yInterval);
        } else {
            mPath.lineTo(x - mMargin10 - mAxesWidth, yOrigin - (mItems.get(i).getValue() - min) / yInterval);
            mPathShader.lineTo(x - mMargin10 - mAxesWidth, yOrigin - (mItems.get(i).getValue() - min) / yInterval);
            if (i == mItems.size() - 1) {
                mPathShader.lineTo(x - mMargin10 - mAxesWidth, yOrigin);
                mPathShader.lineTo(xOrigin, yOrigin);
                mPathShader.close();
            }
        }
    }
    // 渐变阴影
    Shader mShader = new LinearGradient(0, 0, 0, getHeight(), shadeColors, null, Shader.TileMode.CLAMP);
    mPaintShader.setShader(mShader);
    // 绘制渐变阴影
    canvas.drawPath(mPathShader, mPaintShader);
}

Example 18 with Shader

use of android.graphics.Shader in project xDrip by NightscoutFoundation.

the class BIGChart method updateRainbow.

protected void updateRainbow() {
    animationAngle = (animationAngle + 1) % 360;
    // Animation matrix:
    int[] rainbow = { Color.RED, Color.YELLOW, Color.GREEN, Color.BLUE, Color.CYAN };
    Shader shader = new LinearGradient(0, 0, 0, 20, rainbow, null, Shader.TileMode.MIRROR);
    Matrix matrix = new Matrix();
    matrix.setRotate(animationAngle);
    shader.setLocalMatrix(matrix);
    mSgv.getPaint().setShader(shader);
    invalidate();
}

Example 19 with Shader

use of android.graphics.Shader in project xDrip-plus by jamorham.

the class CircleWatchface method prepareDrawTime.

private synchronized void prepareDrawTime() {
    Log.d(TAG, "CircleWatchface start prepareDrawTime");
    hour = Calendar.getInstance().get(Calendar.HOUR_OF_DAY) % 12;
    minute = Calendar.getInstance().get(Calendar.MINUTE);
    angleBig = (((hour + minute / 60f) / 12f * 360) - 90 - BIG_HAND_WIDTH / 2f + 360) % 360;
    angleSMALL = ((minute / 60f * 360) - 90 - SMALL_HAND_WIDTH / 2f + 360) % 360;
    color = 0;
    switch(getSgvLevel()) {
        case -1:
            color = getLowColor();
            break;
        case 0:
            color = getInRangeColor();
            break;
        case 1:
            color = getHighColor();
            break;
    }
    if (isAnimated()) {
        // Animation matrix:
        int[] rainbow = { Color.RED, Color.YELLOW, Color.GREEN, Color.BLUE, Color.CYAN };
        Shader shader = new LinearGradient(0, 0, 0, 20, rainbow, null, Shader.TileMode.MIRROR);
        Matrix matrix = new Matrix();
        matrix.setRotate(animationAngle);
        shader.setLocalMatrix(matrix);
        circlePaint.setShader(shader);
    } else {
        circlePaint.setShader(null);
    }
    circlePaint.setStyle(Paint.Style.STROKE);
    circlePaint.setStrokeWidth(CIRCLE_WIDTH);
    circlePaint.setAntiAlias(true);
    circlePaint.setColor(color);
    removePaint.setStyle(Paint.Style.STROKE);
    removePaint.setStrokeWidth(CIRCLE_WIDTH);
    removePaint.setAntiAlias(true);
    removePaint.setColor(getBackgroundColor());
    ;
    rect = new RectF(PADDING, PADDING, (float) (displaySize.x - PADDING), (float) (displaySize.y - PADDING));
    rectDelete = new RectF(PADDING - CIRCLE_WIDTH / 2, PADDING - CIRCLE_WIDTH / 2, (float) (displaySize.x - PADDING + CIRCLE_WIDTH / 2), (float) (displaySize.y - PADDING + CIRCLE_WIDTH / 2));
    overlapping = ALWAYS_HIGHLIGT_SMALL || areOverlapping(angleSMALL, angleSMALL + SMALL_HAND_WIDTH + NEAR, angleBig, angleBig + BIG_HAND_WIDTH + NEAR);
    Log.d(TAG, "CircleWatchface end prepareDrawTime");
}

Example 20 with Shader

use of android.graphics.Shader in project android_packages_apps_Gallery2 by LineageOS.

the class ColorBrightnessView method updatePaint.

private void updatePaint() {
    float[] hsvo = Arrays.copyOf(mHSVO, 4);
    hsvo[2] = 1;
    hsvo[1] = 1;
    hsvo[3] = 1;
    int color2 = Color.HSVToColor(hsvo);
    hsvo[2] = 0;
    int color1 = Color.HSVToColor(hsvo);
    Shader sg = new LinearGradient(mBorder, mBorder, mWidth - mBorder, mBorder, color1, color2, Shader.TileMode.CLAMP);
    mBarPaint1.setShader(sg);
}