Examples with PaintDrawable android.graphics.drawable.PaintDrawable used on opensource projects

Example 31 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project quran_android by quran.

the class QuranDisplayHelper method getPaintDrawable.

public static PaintDrawable getPaintDrawable(int startX, int endX) {
    PaintDrawable drawable = new PaintDrawable();
    drawable.setShape(new RectShape());
    drawable.setShaderFactory(getShaderFactory(startX, endX));
    return drawable;
}

Example 32 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project Launcher3 by chislon.

the class Utilities method createIconBitmap.

/**
 * Returns a bitmap suitable for the all apps view.
 */
static Bitmap createIconBitmap(Drawable icon, Context context) {
    synchronized (sCanvas) {
        // we share the statics :-(
        if (sIconWidth == -1) {
            initStatics(context);
        }
        int width = sIconWidth;
        int height = sIconHeight;
        if (icon instanceof PaintDrawable) {
            PaintDrawable painter = (PaintDrawable) icon;
            painter.setIntrinsicWidth(width);
            painter.setIntrinsicHeight(height);
        } else if (icon instanceof BitmapDrawable) {
            // Ensure the bitmap has a density.
            BitmapDrawable bitmapDrawable = (BitmapDrawable) icon;
            Bitmap bitmap = bitmapDrawable.getBitmap();
            if (bitmap.getDensity() == Bitmap.DENSITY_NONE) {
                bitmapDrawable.setTargetDensity(context.getResources().getDisplayMetrics());
            }
        }
        int sourceWidth = icon.getIntrinsicWidth();
        int sourceHeight = icon.getIntrinsicHeight();
        if (sourceWidth > 0 && sourceHeight > 0) {
            // Scale the icon proportionally to the icon dimensions
            final float ratio = (float) sourceWidth / sourceHeight;
            if (sourceWidth > sourceHeight) {
                height = (int) (width / ratio);
            } else if (sourceHeight > sourceWidth) {
                width = (int) (height * ratio);
            }
        }
        // no intrinsic size --> use default size
        int textureWidth = sIconTextureWidth;
        int textureHeight = sIconTextureHeight;
        final Bitmap bitmap = Bitmap.createBitmap(textureWidth, textureHeight, Bitmap.Config.ARGB_8888);
        final Canvas canvas = sCanvas;
        canvas.setBitmap(bitmap);
        final int left = (textureWidth - width) / 2;
        final int top = (textureHeight - height) / 2;
        // suppress dead code warning
        @SuppressWarnings("all") final boolean debug = false;
        if (debug) {
            // draw a big box for the icon for debugging
            canvas.drawColor(sColors[sColorIndex]);
            if (++sColorIndex >= sColors.length)
                sColorIndex = 0;
            Paint debugPaint = new Paint();
            debugPaint.setColor(0xffcccc00);
            canvas.drawRect(left, top, left + width, top + height, debugPaint);
        }
        sOldBounds.set(icon.getBounds());
        icon.setBounds(left, top, left + width, top + height);
        icon.draw(canvas);
        icon.setBounds(sOldBounds);
        canvas.setBitmap(null);
        return bitmap;
    }
}

Example 33 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project Douya by DreaminginCodeZH.

the class DrawableUtils method makeScrimDrawable.

// From Muzei, Copyright 2014 Google Inc.
public static Drawable makeScrimDrawable(int baseColor, int numStops, int gravity) {
    numStops = Math.max(numStops, 2);
    PaintDrawable paintDrawable = new PaintDrawable();
    paintDrawable.setShape(new RectShape());
    final int[] stopColors = new int[numStops];
    int red = Color.red(baseColor);
    int green = Color.green(baseColor);
    int blue = Color.blue(baseColor);
    int alpha = Color.alpha(baseColor);
    for (int i = 0; i < numStops; ++i) {
        float x = i * 1f / (numStops - 1);
        float opacity = MathUtils.constrain((float) Math.pow(x, 3), 0, 1);
        stopColors[i] = Color.argb((int) (alpha * opacity), red, green, blue);
    }
    final float x0, x1, y0, y1;
    switch(gravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
        case Gravity.LEFT:
            x0 = 1;
            x1 = 0;
            break;
        case Gravity.RIGHT:
            x0 = 0;
            x1 = 1;
            break;
        default:
            x0 = 0;
            x1 = 0;
            break;
    }
    switch(gravity & Gravity.VERTICAL_GRAVITY_MASK) {
        case Gravity.TOP:
            y0 = 1;
            y1 = 0;
            break;
        case Gravity.BOTTOM:
            y0 = 0;
            y1 = 1;
            break;
        default:
            y0 = 0;
            y1 = 0;
            break;
    }
    paintDrawable.setShaderFactory(new ShapeDrawable.ShaderFactory() {

        @Override
        public Shader resize(int width, int height) {
            return new LinearGradient(width * x0, height * y0, width * x1, height * y1, stopColors, null, Shader.TileMode.CLAMP);
        }
    });
    paintDrawable.setAlpha(Math.round(0.4f * 255));
    return paintDrawable;
}

Example 34 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project TicktockMusic by Lauzy.

the class ScrimUtil method makeCubicGradientScrimDrawable.

/**
 * Creates an approximated cubic gradient using a multi-stop linear gradient. See
 * <a href="https://plus.google.com/+RomanNurik/posts/2QvHVFWrHZf">this post</a> for more
 * details.
 */
public static Drawable makeCubicGradientScrimDrawable(int baseColor, int numStops, int gravity) {
    // Generate a cache key by hashing together the inputs, based on the method described in the Effective Java book
    int cacheKeyHash = baseColor;
    cacheKeyHash = 31 * cacheKeyHash + numStops;
    cacheKeyHash = 31 * cacheKeyHash + gravity;
    Drawable cachedGradient = cubicGradientScrimCache.get(cacheKeyHash);
    if (cachedGradient != null) {
        return cachedGradient;
    }
    numStops = Math.max(numStops, 2);
    PaintDrawable paintDrawable = new PaintDrawable();
    paintDrawable.setShape(new RectShape());
    final int[] stopColors = new int[numStops];
    int red = Color.red(baseColor);
    int green = Color.green(baseColor);
    int blue = Color.blue(baseColor);
    int alpha = Color.alpha(baseColor);
    for (int i = 0; i < numStops; i++) {
        float x = i * 1f / (numStops - 1);
        float opacity = MathUtil.constrain(0, 1, (float) Math.pow(x, 3));
        stopColors[i] = Color.argb((int) (alpha * opacity), red, green, blue);
    }
    final float x0, x1, y0, y1;
    switch(gravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
        case Gravity.LEFT:
            x0 = 1;
            x1 = 0;
            break;
        case Gravity.RIGHT:
            x0 = 0;
            x1 = 1;
            break;
        default:
            x0 = 0;
            x1 = 0;
            break;
    }
    switch(gravity & Gravity.VERTICAL_GRAVITY_MASK) {
        case Gravity.TOP:
            y0 = 1;
            y1 = 0;
            break;
        case Gravity.BOTTOM:
            y0 = 0;
            y1 = 1;
            break;
        default:
            y0 = 0;
            y1 = 0;
            break;
    }
    paintDrawable.setShaderFactory(new ShapeDrawable.ShaderFactory() {

        @Override
        public Shader resize(int width, int height) {
            return new LinearGradient(width * x0, height * y0, width * x1, height * y1, stopColors, null, Shader.TileMode.CLAMP);
        }
    });
    cubicGradientScrimCache.put(cacheKeyHash, paintDrawable);
    return paintDrawable;
}

Example 35 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project iosched by google.

the class UIUtils method makeCubicGradientScrimDrawable.

// private static final float[] mAlphaMatrixValues = {
// 0, 0, 0, 0, 0,
// 0, 0, 0, 0, 0,
// 0, 0, 0, 0, 0,
// 0, 0, 0, 1, 0
// };
// private static final ColorMatrix mMultiplyBlendMatrix = new ColorMatrix();
// private static final float[] mMultiplyBlendMatrixValues = {
// 0, 0, 0, 0, 0,
// 0, 0, 0, 0, 0,
// 0, 0, 0, 0, 0,
// 0, 0, 0, 1, 0
// };
// private static final ColorMatrix mWhitenessColorMatrix = new ColorMatrix();
// 
// /**
// * Simulates alpha blending an image with {@param color}.
// */
// private static ColorMatrix alphaMatrix(float alpha, int color) {
// mAlphaMatrixValues[0] = 255 * alpha / 255;
// mAlphaMatrixValues[6] = Color.green(color) * alpha / 255;
// mAlphaMatrixValues[12] = Color.blue(color) * alpha / 255;
// mAlphaMatrixValues[4] = 255 * (1 - alpha);
// mAlphaMatrixValues[9] = 255 * (1 - alpha);
// mAlphaMatrixValues[14] = 255 * (1 - alpha);
// mWhitenessColorMatrix.set(mAlphaMatrixValues);
// return mWhitenessColorMatrix;
// }
// /**
// * Simulates multiply blending an image with a single {@param color}.
// *
// * Multiply blending is [Sa * Da, Sc * Dc]. See {@link android.graphics.PorterDuff}.
// */
// private static ColorMatrix multiplyBlendMatrix(int color, float alpha) {
// mMultiplyBlendMatrixValues[0] = multiplyBlend(Color.red(color), alpha);
// mMultiplyBlendMatrixValues[6] = multiplyBlend(Color.green(color), alpha);
// mMultiplyBlendMatrixValues[12] = multiplyBlend(Color.blue(color), alpha);
// mMultiplyBlendMatrix.set(mMultiplyBlendMatrixValues);
// return mMultiplyBlendMatrix;
// }
// 
// private static float multiplyBlend(int color, float alpha) {
// return color * alpha / 255.0f + (1 - alpha);
// }
/**
 * This helper method creates a 'nice' scrim or background protection for layering text over an
 * image. This non-linear scrim is less noticable than a linear or constant one.
 * <p/>
 * Borrowed from github.com/romannurik/muzei
 * <p/>
 * Creates an approximated cubic gradient using a multi-stop linear gradient. See <a
 * href="https://plus.google.com/+RomanNurik/posts/2QvHVFWrHZf">this post</a> for more details.
 */
public static Drawable makeCubicGradientScrimDrawable(int baseColor, int numStops, int gravity) {
    numStops = Math.max(numStops, 2);
    PaintDrawable paintDrawable = new PaintDrawable();
    paintDrawable.setShape(new RectShape());
    final int[] stopColors = new int[numStops];
    int alpha = Color.alpha(baseColor);
    for (int i = 0; i < numStops; i++) {
        double x = i * 1f / (numStops - 1);
        double opacity = Math.max(0, Math.min(1, Math.pow(x, 3)));
        stopColors[i] = (baseColor & 0x00ffffff) | ((int) (alpha * opacity) << 24);
    }
    final float x0, x1, y0, y1;
    switch(gravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
        // noinspection RtlHardcoded
        case Gravity.LEFT:
            x0 = 1;
            x1 = 0;
            break;
        // noinspection RtlHardcoded
        case Gravity.RIGHT:
            x0 = 0;
            x1 = 1;
            break;
        default:
            x0 = 0;
            x1 = 0;
            break;
    }
    switch(gravity & Gravity.VERTICAL_GRAVITY_MASK) {
        case Gravity.TOP:
            y0 = 1;
            y1 = 0;
            break;
        case Gravity.BOTTOM:
            y0 = 0;
            y1 = 1;
            break;
        default:
            y0 = 0;
            y1 = 0;
            break;
    }
    paintDrawable.setShaderFactory(new ShapeDrawable.ShaderFactory() {

        @Override
        public Shader resize(int width, int height) {
            LinearGradient linearGradient = new LinearGradient(width * x0, height * y0, width * x1, height * y1, stopColors, null, Shader.TileMode.CLAMP);
            return linearGradient;
        }
    });
    return paintDrawable;
}