java类android.graphics.ComposeShader的实例源码-第2页-面圈网

ColorSquare.java 文件源码项目：ilearnrw-reader 阅读 21 收藏 0 点赞 0 评论 0

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if(paint==null)
    {
        paint = new Paint();
        lg = new LinearGradient(0.0f, 0.0f, 0.0f, this.getMeasuredHeight(), 0xffffffff, 0xff000000,  TileMode.CLAMP);
    }

    if(updateColor){
        int rgb = Color.HSVToColor(color);
        lg2 = new LinearGradient(0.0f, 0.0f, this.getMeasuredWidth(), 0.0f, 0xffffffff, rgb, TileMode.CLAMP);
        shader = new ComposeShader(lg, lg2, PorterDuff.Mode.MULTIPLY);
        updateColor = false;
    }

    paint.setShader(shader);
    canvas.drawRect(0.0f, 0.0f, this.getMeasuredWidth(), this.getMeasuredHeight(), paint);
}

RoundCornersDrawable.java 文件源码项目：CEEHack 阅读 20 收藏 0 点赞 0 评论 0

@Override
protected void onBoundsChange(Rect bounds) {
    super.onBoundsChange(bounds);
    mRect.set(mMargin, mMargin, bounds.width() - mMargin, bounds.height() - mMargin);

    if (USE_VIGNETTE) {
        RadialGradient vignette = new RadialGradient(
                mRect.centerX(), mRect.centerY() * 1.0f / 0.7f, mRect.centerX() * 1.3f,
                new int[] { 0, 0, 0x7f000000 }, new float[] { 0.0f, 0.7f, 1.0f },
                Shader.TileMode.CLAMP);

        Matrix oval = new Matrix();
        oval.setScale(1.0f, 0.7f);
        vignette.setLocalMatrix(oval);

        mPaint.setShader(
                new ComposeShader(mBitmapShader, vignette, PorterDuff.Mode.SRC_OVER));
    }
}

ColorPicker.java 文件源码项目：MWord 阅读 32 收藏 0 点赞 0 评论 0

private Bitmap createColorWheelBitmap(int width, int height) {

        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[] { 0f, 1f, 1f };
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2, height / 2, colors, null);
        RadialGradient radialGradient = new RadialGradient(width / 2, height / 2, colorWheelRadius, 0xFFFFFFFF, 0x00FFFFFF, TileMode.CLAMP);
        ComposeShader composeShader = new ComposeShader(sweepGradient, radialGradient, PorterDuff.Mode.SRC_OVER);

        colorWheelPaint.setShader(composeShader);

        Canvas canvas = new Canvas(bitmap);
        canvas.drawCircle(width / 2, height / 2, colorWheelRadius, colorWheelPaint);

        return bitmap;

    }

MultiColorPicker.java 文件源码项目：MWord 阅读 27 收藏 0 点赞 0 评论 0

private Bitmap createColorWheelBitmap(int width, int height) {

        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[] { 0f, 1f, 1f };
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2, height / 2, colors, null);
        RadialGradient radialGradient = new RadialGradient(width / 2, height / 2, colorWheelRadius, 0xFFFFFFFF, 0x00FFFFFF, TileMode.CLAMP);
        ComposeShader composeShader = new ComposeShader(sweepGradient, radialGradient, PorterDuff.Mode.SRC_OVER);

        colorWheelPaint.setShader(composeShader);

        Canvas canvas = new Canvas(bitmap);
        canvas.drawCircle(width / 2, height / 2, colorWheelRadius, colorWheelPaint);

        return bitmap;

    }

ColorPicker.java 文件源码项目：BluetoothBacon 阅读 22 收藏 0 点赞 0 评论 0

private Bitmap createColorWheelBitmap(int width, int height) {

        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[] { 0f, 1f, 1f };
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2, height / 2, colors, null);
        RadialGradient radialGradient = new RadialGradient(width / 2, height / 2, colorWheelRadius, 0xFFFFFFFF, 0x00FFFFFF, TileMode.CLAMP);
        ComposeShader composeShader = new ComposeShader(sweepGradient, radialGradient, PorterDuff.Mode.SRC_OVER);

        colorWheelPaint.setShader(composeShader);

        Canvas canvas = new Canvas(bitmap);
        canvas.drawCircle(width / 2, height / 2, colorWheelRadius, colorWheelPaint);

        return bitmap;

    }

MultiColorPicker.java 文件源码项目：BluetoothBacon 阅读 23 收藏 0 点赞 0 评论 0

private Bitmap createColorWheelBitmap(int width, int height) {

        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[] { 0f, 1f, 1f };
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2, height / 2, colors, null);
        RadialGradient radialGradient = new RadialGradient(width / 2, height / 2, colorWheelRadius, 0xFFFFFFFF, 0x00FFFFFF, TileMode.CLAMP);
        ComposeShader composeShader = new ComposeShader(sweepGradient, radialGradient, PorterDuff.Mode.SRC_OVER);

        colorWheelPaint.setShader(composeShader);

        Canvas canvas = new Canvas(bitmap);
        canvas.drawCircle(width / 2, height / 2, colorWheelRadius, colorWheelPaint);

        return bitmap;

    }

NavigationDrawerFragment.java 文件源码项目：the-blue-alliance-android 阅读 29 收藏 0 点赞 0 评论 0

@Override
public Bitmap transform(Bitmap source) {
    Bitmap outBitmap = Bitmap.createBitmap(source.getWidth(), source.getHeight(), source.getConfig());

    // Create shaders
    Shader bitmapShader = new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    Shader linearGradient = new LinearGradient(0, source.getHeight() / 2, 0, source.getHeight(), Color.TRANSPARENT, 0xB4000000, Shader.TileMode.CLAMP);

    // create a shader that combines both effects
    ComposeShader shader = new ComposeShader(bitmapShader, linearGradient, PorterDuff.Mode.DST_OUT);

    Paint p = new Paint();
    p.setAntiAlias(true);
    p.setShader(shader);

    Paint black = new Paint();
    black.setColor(Color.BLACK);

    Canvas c = new Canvas(outBitmap);
    c.drawRect(0, 0, source.getWidth(), source.getHeight(), black);
    c.drawPaint(p);
    source.recycle();
    return outBitmap;
}

ColorPicker.java 文件源码项目：Android-Color-Picker 阅读 22 收藏 0 点赞 0 评论 0

private Bitmap createColorWheelBitmap(int width, int height) {

        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[] { 0f, 1f, 1f };
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2, height / 2, colors, null);
        RadialGradient radialGradient = new RadialGradient(width / 2, height / 2, colorWheelRadius, 0xFFFFFFFF, 0x00FFFFFF, TileMode.CLAMP);
        ComposeShader composeShader = new ComposeShader(sweepGradient, radialGradient, PorterDuff.Mode.SRC_OVER);

        colorWheelPaint.setShader(composeShader);

        Canvas canvas = new Canvas(bitmap);
        canvas.drawCircle(width / 2, height / 2, colorWheelRadius, colorWheelPaint);

        return bitmap;

    }

MultiColorPicker.java 文件源码项目：Android-Color-Picker 阅读 24 收藏 0 点赞 0 评论 0

private Bitmap createColorWheelBitmap(int width, int height) {

        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[] { 0f, 1f, 1f };
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2, height / 2, colors, null);
        RadialGradient radialGradient = new RadialGradient(width / 2, height / 2, colorWheelRadius, 0xFFFFFFFF, 0x00FFFFFF, TileMode.CLAMP);
        ComposeShader composeShader = new ComposeShader(sweepGradient, radialGradient, PorterDuff.Mode.SRC_OVER);

        colorWheelPaint.setShader(composeShader);

        Canvas canvas = new Canvas(bitmap);
        canvas.drawCircle(width / 2, height / 2, colorWheelRadius, colorWheelPaint);

        return bitmap;

    }

ColorPicker.java 文件源码项目：GlowNotifier 阅读 21 收藏 0 点赞 0 评论 0

private Bitmap createColorWheelBitmap(int width, int height) {

        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[] { 0f, 1f, 1f };
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2, height / 2, colors, null);
        RadialGradient radialGradient = new RadialGradient(width / 2, height / 2, colorWheelRadius, 0xFFFFFFFF, 0x00FFFFFF, TileMode.CLAMP);
        ComposeShader composeShader = new ComposeShader(sweepGradient, radialGradient, PorterDuff.Mode.SRC_OVER);

        colorWheelPaint.setShader(composeShader);

        Canvas canvas = new Canvas(bitmap);
        canvas.drawCircle(width / 2, height / 2, colorWheelRadius, colorWheelPaint);

        return bitmap;

    }