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

Example 6 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project android_frameworks_base by ParanoidAndroid.

the class IconUtilities method createIconBitmap.

/**
     * Returns a bitmap suitable for the all apps view.  The bitmap will be a power
     * of two sized ARGB_8888 bitmap that can be used as a gl texture.
     */
private Bitmap createIconBitmap(Drawable icon) {
    int width = mIconWidth;
    int height = mIconHeight;
    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(mDisplayMetrics);
        }
    }
    int sourceWidth = icon.getIntrinsicWidth();
    int sourceHeight = icon.getIntrinsicHeight();
    if (sourceWidth > 0 && sourceHeight > 0) {
        // There are intrinsic sizes.
        if (width < sourceWidth || height < sourceHeight) {
            // It's too big, scale it down.
            final float ratio = (float) sourceWidth / sourceHeight;
            if (sourceWidth > sourceHeight) {
                height = (int) (width / ratio);
            } else if (sourceHeight > sourceWidth) {
                width = (int) (height * ratio);
            }
        } else if (sourceWidth < width && sourceHeight < height) {
            // It's small, use the size they gave us.
            width = sourceWidth;
            height = sourceHeight;
        }
    }
    // no intrinsic size --> use default size
    int textureWidth = mIconTextureWidth;
    int textureHeight = mIconTextureHeight;
    final Bitmap bitmap = Bitmap.createBitmap(textureWidth, textureHeight, Bitmap.Config.ARGB_8888);
    final Canvas canvas = mCanvas;
    canvas.setBitmap(bitmap);
    final int left = (textureWidth - width) / 2;
    final int top = (textureHeight - height) / 2;
    if (false) {
        // draw a big box for the icon for debugging
        canvas.drawColor(sColors[mColorIndex]);
        if (++mColorIndex >= sColors.length)
            mColorIndex = 0;
        Paint debugPaint = new Paint();
        debugPaint.setColor(0xffcccc00);
        canvas.drawRect(left, top, left + width, top + height, debugPaint);
    }
    mOldBounds.set(icon.getBounds());
    icon.setBounds(left, top, left + width, top + height);
    icon.draw(canvas);
    icon.setBounds(mOldBounds);
    return bitmap;
}

Example 7 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project Fairphone by Kwamecorp.

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) {
            // There are intrinsic sizes.
            if (width < sourceWidth || height < sourceHeight) {
                // It's too big, scale it down.
                final float ratio = (float) sourceWidth / sourceHeight;
                if (sourceWidth > sourceHeight) {
                    height = (int) (width / ratio);
                } else if (sourceHeight > sourceWidth) {
                    width = (int) (height * ratio);
                }
            } else if (sourceWidth < width && sourceHeight < height) {
                // Don't scale up the icon
                width = sourceWidth;
                height = sourceHeight;
            }
        }
        // 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 8 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project muzei by romannurik.

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 9 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project platform_packages_apps_launcher by android.

the class Utilities method createIconThumbnail.

/**
     * Returns a Drawable representing the thumbnail of the specified Drawable.
     * The size of the thumbnail is defined by the dimension
     * android.R.dimen.launcher_application_icon_size.
     *
     * This method is not thread-safe and should be invoked on the UI thread only.
     *
     * @param icon The icon to get a thumbnail of.
     * @param context The application's context.
     *
     * @return A thumbnail for the specified icon or the icon itself if the
     *         thumbnail could not be created. 
     */
static Drawable createIconThumbnail(Drawable icon, Context context) {
    if (sIconWidth == -1) {
        final Resources resources = context.getResources();
        sIconWidth = sIconHeight = (int) resources.getDimension(android.R.dimen.app_icon_size);
    }
    int width = sIconWidth;
    int height = sIconHeight;
    float scale = 1.0f;
    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 iconWidth = icon.getIntrinsicWidth();
    int iconHeight = icon.getIntrinsicHeight();
    if (width > 0 && height > 0) {
        if (width < iconWidth || height < iconHeight || scale != 1.0f) {
            final float ratio = (float) iconWidth / iconHeight;
            if (iconWidth > iconHeight) {
                height = (int) (width / ratio);
            } else if (iconHeight > iconWidth) {
                width = (int) (height * ratio);
            }
            final Bitmap.Config c = icon.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565;
            final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
            final Canvas canvas = sCanvas;
            canvas.setBitmap(thumb);
            // Copy the old bounds to restore them later
            // If we were to do oldBounds = icon.getBounds(),
            // the call to setBounds() that follows would
            // change the same instance and we would lose the
            // old bounds
            sOldBounds.set(icon.getBounds());
            final int x = (sIconWidth - width) / 2;
            final int y = (sIconHeight - height) / 2;
            icon.setBounds(x, y, x + width, y + height);
            icon.draw(canvas);
            icon.setBounds(sOldBounds);
            icon = new FastBitmapDrawable(thumb);
        } else if (iconWidth < width && iconHeight < height) {
            final Bitmap.Config c = Bitmap.Config.ARGB_8888;
            final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
            final Canvas canvas = sCanvas;
            canvas.setBitmap(thumb);
            sOldBounds.set(icon.getBounds());
            final int x = (width - iconWidth) / 2;
            final int y = (height - iconHeight) / 2;
            icon.setBounds(x, y, x + iconWidth, y + iconHeight);
            icon.draw(canvas);
            icon.setBounds(sOldBounds);
            icon = new FastBitmapDrawable(thumb);
        }
    }
    return icon;
}

Example 10 with PaintDrawable

use of android.graphics.drawable.PaintDrawable in project ListenerMusicPlayer by hefuyicoder.

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, final 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;
        case Gravity.CENTER_HORIZONTAL:
        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;
        case Gravity.CENTER_VERTICAL:
        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, gravity == Gravity.CENTER_VERTICAL ? width : width * x1, gravity == Gravity.CENTER_HORIZONTAL ? height : height * y1, gravity == Gravity.CENTER_HORIZONTAL || gravity == Gravity.CENTER_VERTICAL ? makeDoubleStopColors(stopColors) : stopColors, null, Shader.TileMode.CLAMP);
        }
    });
    cubicGradientScrimCache.put(cacheKeyHash, paintDrawable);
    return paintDrawable;
}