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

Example 71 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project android_frameworks_base by ResurrectionRemix.

the class ScrimView method setDrawAsSrc.

public void setDrawAsSrc(boolean asSrc) {
    mDrawAsSrc = asSrc;
    mPaint.setXfermode(new PorterDuffXfermode(mDrawAsSrc ? PorterDuff.Mode.SRC : PorterDuff.Mode.SRC_OVER));
    invalidate();
}

Example 72 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project AndroidSDK-RecipeBook by gabu.

the class Recipe051 method createReflectionBitmap.

public static Bitmap createReflectionBitmap(Bitmap src) {
    // 元画像と反射画像のマージン
    int margin = 4;
    int width = src.getWidth();
    int height = src.getHeight();
    // 上下反転させるMatrix
    Matrix matrix = new Matrix();
    matrix.preScale(1, -1);
    // 元画像の下半分を反転したBitmapを生成
    Bitmap reflection;
    reflection = Bitmap.createBitmap(src, 0, height / 2, width, height / 2, matrix, true);
    // 元画像と反射画像が合体した結果画像のBitmapを生成
    // これはまだ空っぽ
    Bitmap result;
    result = Bitmap.createBitmap(width, height + height / 2, Config.ARGB_8888);
    // キャンバスを使って
    Canvas canvas;
    canvas = new Canvas(result);
    // 結果画像に元画像を書き込む
    canvas.drawBitmap(src, 0, 0, null);
    // 結果画像に反射画像を書き込む
    canvas.drawBitmap(reflection, 0, height + margin, null);
    // ここまでで反転画像と合体した状態
    // ここからぼかし
    Paint paint = new Paint();
    // LinearGradientという直線方向のグラデーションを使います。
    LinearGradient shader;
    // だんだん透明になるグラデーションを作る
    // 0x90ffffff(やや透明) -> 0x00FFFFFF(完全透明)
    shader = new LinearGradient(0, height, 0, result.getHeight() + margin, 0x90ffffff, 0x00ffffff, TileMode.CLAMP);
    // Shaderクラスを継承しているのでsetShaderでPaintにセットします。
    paint.setShader(shader);
    // 色の変換モードを指定
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    // グラデーションを描画
    canvas.drawRect(0, height, width, result.getHeight(), paint);
    return result;
}

Example 73 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project SmartAndroidSource by jaychou2012.

the class BitmapAjaxCallback method getRoundedCornerBitmap.

private static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

Example 74 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project Lazy by l123456789jy.

the class ImageProcessor method reflection.

/**
     * 倒影处理
     * @param reflectionSpacing 原图与倒影之间的间距
     * @return 加上倒影后的图片
     */
public Bitmap reflection(int reflectionSpacing, int reflectionHeight) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    /* 获取倒影图片，并创建一张宽度与原图相同，但高度等于原图的高度加上间距加上倒影的高度的图片，并创建画布。画布分为上中下三部分，上：是原图；中：是原图与倒影的间距；下：是倒影 */
    //
    Bitmap reflectionImage = reverseByVertical(bitmap);
    Bitmap bitmapWithReflection = Bitmap.createBitmap(width, height + reflectionSpacing + reflectionHeight, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmapWithReflection);
    /* 将原图画到画布的上半部分，将倒影画到画布的下半部分，倒影与画布顶部的间距是原图的高度加上原图与倒影之间的间距 */
    canvas.drawBitmap(bitmap, 0, 0, null);
    canvas.drawBitmap(reflectionImage, 0, height + reflectionSpacing, null);
    reflectionImage.recycle();
    /* 将倒影改成半透明，创建画笔，并设置画笔的渐变从半透明的白色到全透明的白色，然后再倒影上面画半透明效果 */
    Paint paint = new Paint();
    paint.setShader(new LinearGradient(0, bitmap.getHeight(), 0, bitmapWithReflection.getHeight() + reflectionSpacing, 0x70ffffff, 0x00ffffff, Shader.TileMode.CLAMP));
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
    canvas.drawRect(0, height + reflectionSpacing, width, bitmapWithReflection.getHeight() + reflectionSpacing, paint);
    return bitmapWithReflection;
}

Example 75 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project Lazy by l123456789jy.

the class ImageProcessor method roundCorner.

/**
     * 圆角处理
     * @param pixels 角度，度数越大圆角越大
     * @return 转换成圆角后的图片
     */
public Bitmap roundCorner(float pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    Paint paint = new Paint();
    //创建一个同原图一样大小的矩形，用于把原图绘制到这个矩形上
    Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    //创建一个精度更高的矩形，用于画出圆角效果
    RectF rectF = new RectF(rect);
    paint.setAntiAlias(true);
    //涂上黑色全透明的底色
    canvas.drawARGB(0, 0, 0, 0);
    //设置画笔的颜色为不透明的灰色
    paint.setColor(0xff424242);
    //用给给定的画笔把给定的矩形以给定的圆角的度数画到画布
    canvas.drawRoundRect(rectF, pixels, pixels, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    //用画笔paint将原图bitmap根据新的矩形重新绘制
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}