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

Example 31 with Shader

use of android.graphics.Shader in project KeepScore by nolanlawson.

the class TopDownGradientSpan method updateDrawState.

@Override
public void updateDrawState(TextPaint ds) {
    Shader shader = new LinearGradient(0, mStartY, 0, mEndY, new int[] { mStartColor, mEndColor }, null, TileMode.CLAMP);
    ds.setShader(shader);
}

Example 32 with Shader

use of android.graphics.Shader in project shimmer-android by facebook.

the class ShimmerDrawable method updateShader.

private void updateShader() {
    final Rect bounds = getBounds();
    final int boundsWidth = bounds.width();
    final int boundsHeight = bounds.height();
    if (boundsWidth == 0 || boundsHeight == 0 || mShimmer == null) {
        return;
    }
    final int width = mShimmer.width(boundsWidth);
    final int height = mShimmer.height(boundsHeight);
    final Shader shader;
    switch(mShimmer.shape) {
        default:
        case Shimmer.Shape.LINEAR:
            boolean vertical = mShimmer.direction == Shimmer.Direction.TOP_TO_BOTTOM || mShimmer.direction == Shimmer.Direction.BOTTOM_TO_TOP;
            int endX = vertical ? 0 : width;
            int endY = vertical ? height : 0;
            shader = new LinearGradient(0, 0, endX, endY, mShimmer.colors, mShimmer.positions, Shader.TileMode.CLAMP);
            break;
        case Shimmer.Shape.RADIAL:
            shader = new RadialGradient(width / 2f, height / 2f, (float) (Math.max(width, height) / Math.sqrt(2)), mShimmer.colors, mShimmer.positions, Shader.TileMode.CLAMP);
            break;
    }
    mShimmerPaint.setShader(shader);
}

Example 33 with Shader

use of android.graphics.Shader in project PhotoNoter by yydcdut.

the class FloatingActionButton method createInnerStrokesDrawable.

/**
 * 创建内层drawable
 *
 * @param color
 * @param strokeWidth
 * @return
 */
private Drawable createInnerStrokesDrawable(final int color, float strokeWidth) {
    // 不描边的话直接返回一个颜色为透明的drawable
    if (!mStrokeVisible) {
        return new ColorDrawable(Color.TRANSPARENT);
    }
    // 圆 drawable
    ShapeDrawable shapeDrawable = new ShapeDrawable(new OvalShape());
    // 这个暗颜色
    final int bottomStrokeColor = darkenColor(color);
    // 比bottomStrokeColor透明一半
    final int bottomStrokeColorHalfTransparent = halfTransparent(bottomStrokeColor);
    // 这个亮颜色
    final int topStrokeColor = lightenColor(color);
    // 比topStrokeColor透明一半
    final int topStrokeColorHalfTransparent = halfTransparent(topStrokeColor);
    final Paint paint = shapeDrawable.getPaint();
    // 锯齿
    paint.setAntiAlias(true);
    // 描边宽度
    paint.setStrokeWidth(strokeWidth);
    // 描边
    paint.setStyle(Style.STROKE);
    // draws a linear gradient
    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 34 with Shader

use of android.graphics.Shader in project lottie-android by airbnb.

the class GradientStrokeContent method draw.

@Override
public void draw(Canvas canvas, Matrix parentMatrix, int parentAlpha) {
    if (hidden) {
        return;
    }
    getBounds(boundsRect, parentMatrix, false);
    Shader shader;
    if (type == GradientType.LINEAR) {
        shader = getLinearGradient();
    } else {
        shader = getRadialGradient();
    }
    shader.setLocalMatrix(parentMatrix);
    paint.setShader(shader);
    super.draw(canvas, parentMatrix, parentAlpha);
}

Example 35 with Shader

use of android.graphics.Shader in project assertj-android by square.

the class AbstractPaintAssert method hasShader.

public S hasShader(Shader shader) {
    isNotNull();
    Shader actualShader = actual.getShader();
    // 
    assertThat(actualShader).overridingErrorMessage("Expected shader <%s> but was <%s>.", shader, // 
    actualShader).isSameAs(shader);
    return myself;
}