Example usage for android.graphics Paint Paint

Introduction

In this page you can find the example usage for android.graphics Paint Paint.

Prototype

public Paint() 

Source Link

Document

Create a new paint with default settings.

Usage

From source file:Main.java

public static Bitmap createScaledBitmap(Bitmap bitmap, int width, int height) {
    Bitmap background = Bitmap.createBitmap((int) width, (int) height, Bitmap.Config.ARGB_8888);
    float originalWidth = bitmap.getWidth(), originalHeight = bitmap.getHeight();
    Canvas canvas = new Canvas(background);
    float scale = Math.max(width / originalWidth, height / originalHeight);
    float xTranslation = 0.0f, yTranslation = (height - originalHeight * scale) / 2.0f;
    if (originalWidth < originalHeight) {
        // scale = height / originalHeight;
        xTranslation = (width - originalWidth * scale) / 2.0f;
        yTranslation = 0.0f;// www.j a  v a  2 s. c  o m
    }
    Matrix transformation = new Matrix();
    transformation.postTranslate(xTranslation, yTranslation);
    transformation.preScale(scale, scale);
    Paint paint = new Paint();
    paint.setFilterBitmap(true);
    canvas.drawBitmap(bitmap, transformation, paint);
    return background;
}

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From source file:Main.java

/**
 * Create circle image./* w w w  .jav  a2  s  .c o  m*/
 *
 * @param bitmap      Bitmap to be cropped
 * @param resColor    Resource color
 * @param strokeWidth Thickness of stroke
 * @return Returns the circle image with border
 */
public static Bitmap getCircleImage(Bitmap bitmap, int resColor, int strokeWidth) {
    // create Bitmap to draw
    Bitmap mBitmap = Bitmap.createBitmap(bitmap.getWidth() + 8, bitmap.getHeight() + 8,
            Bitmap.Config.ARGB_8888);

    // create Rect to hold image
    final Rect mRec = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    // create Canvas
    Canvas mCanvas = new Canvas(mBitmap);
    mCanvas.drawARGB(0, 0, 0, 0);

    // create Paint
    final Paint mPaint = new Paint();
    mPaint.setStyle(Paint.Style.FILL);
    mPaint.setAntiAlias(true);

    // get the half size of the image
    int mHalfWidth = bitmap.getWidth() / 2;
    int mHalfHeight = bitmap.getHeight() / 2;

    // draw circle
    mCanvas.drawCircle((mHalfWidth + 4), (mHalfHeight + 4), Math.min(mHalfWidth, mHalfHeight), mPaint);

    // unknown
    mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));

    // draw the image
    mCanvas.drawBitmap(bitmap, mRec, mRec, mPaint);

    // set border mode
    mPaint.setXfermode(null);

    // set stroke
    mPaint.setStyle(Paint.Style.STROKE);

    // set stroke color
    mPaint.setColor(resColor);

    // set stroke width
    mPaint.setStrokeWidth(strokeWidth);

    // draw stroke
    mCanvas.drawCircle((mHalfWidth + 4), (mHalfHeight + 4), Math.min(mHalfWidth, mHalfHeight), mPaint);

    // return the circle image
    return mBitmap;
}

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From source file:Main.java

public static Bitmap createReflectionImageWithOrigin(Bitmap bitmap) {
    final int reflectionGap = 4;
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();

    Matrix matrix = new Matrix();
    matrix.preScale(1, -1);//from   www. j a v a2 s. c o  m

    Bitmap reflectionImage;
    reflectionImage = Bitmap.createBitmap(bitmap, 0, h / 2, w, h / 2, matrix, false);

    Bitmap bitmapWithReflection = Bitmap.createBitmap(w, (h + h / 2), Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmapWithReflection);
    canvas.drawBitmap(bitmap, 0, 0, null);
    Paint defaultPaint = new Paint();
    canvas.drawRect(0, h, w, h + reflectionGap, defaultPaint);

    canvas.drawBitmap(reflectionImage, 0, h + reflectionGap, null);

    Paint paint = new Paint();
    LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0,
            bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff, 0x00ffffff, Shader.TileMode.CLAMP);
    paint.setShader(shader);
    // Set the Transfer mode to be porter duff and destination in
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
    // Draw a rectangle using the paint with our linear gradient
    canvas.drawRect(0, h, w, bitmapWithReflection.getHeight() + reflectionGap, paint);

    return bitmapWithReflection;
}

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From source file:Main.java

public static Bitmap getRoundCornerBitmap(Bitmap bitmap, int radius) {
    // Canvas canvas = new Canvas(bitmap);
    // Rect r =new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    // RectF rect = new RectF(r);
    // Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    // paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OVER));
    // canvas.drawRoundRect(rect, 3f, 3f, paint);
    // // canvas.drawBitmap(bitmap, 0, 0, paint);
    // return bitmap;
    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 = radius;
    paint.setAntiAlias(true);/*from w w  w . j  a v  a 2  s  .c o m*/
    // canvas.drawARGB(0, 0, 0, 0);
    // paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, new Paint(Paint.ANTI_ALIAS_FLAG));
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

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From source file:Main.java

/**
 * Creates the Paint object for drawing the translucent overlay outside the
 * crop window./*www. j  ava  2s  .  c o m*/
 * 
 * @param context the Context
 * @return the new Paint object
 */
public static Paint newBackgroundPaint(Context context) {

    final Paint paint = new Paint();
    paint.setColor(Color.parseColor(DEFAULT_BACKGROUND_COLOR_ID));

    return paint;
}

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From source file:Main.java

public static Bitmap getUnreadMarker(int width, int radius, int color) {
    if (width <= 0) {
        return null;
    }/*w w  w  . ja v  a 2  s  . co  m*/
    Bitmap dest = Bitmap.createBitmap(width, width, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(dest);
    Paint p = new Paint();
    p.setColor(color);
    p.setAntiAlias(true);
    canvas.drawCircle(width / 2, width / 2, radius, p);
    return dest;
}

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From source file:Main.java

public static Bitmap getColoredBitmap(Bitmap colorBitmap, int color) {
    Bitmap grayscaleBitmap = toGrayscale(colorBitmap);
    Paint pp = new Paint();
    PorterDuffColorFilter frontFilter = new PorterDuffColorFilter(color, PorterDuff.Mode.MULTIPLY);
    pp.setColorFilter(frontFilter);/*from   www.  j av a2 s .  c  o  m*/
    Canvas cc = new Canvas(grayscaleBitmap);
    cc.drawBitmap(grayscaleBitmap, 0, 0, pp);
    return grayscaleBitmap;
}

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From source file:Main.java

public static Bitmap forceConfig565(Bitmap original) {
    Bitmap convertedBitmap = original;/*  ww  w  . j a  va 2  s  .com*/
    if (original.getConfig() != Bitmap.Config.RGB_565) {
        convertedBitmap = Bitmap.createBitmap(original.getWidth(), original.getHeight(), Bitmap.Config.RGB_565);
        Canvas canvas = new Canvas(convertedBitmap);
        Paint paint = new Paint();
        paint.setColor(Color.BLACK);
        canvas.drawBitmap(original, 0, 0, paint);

        if (convertedBitmap != original) {
            original.recycle();
        }
    }

    return convertedBitmap;
}

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From source file:Main.java

public static Bitmap createReflectionImageWithOrigin(Bitmap bitmap) {
    if (bitmap == null) {
        return null;
    }/* www  . j  ava  2 s  . co  m*/
    final int reflectionGap = 4;
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();

    Matrix matrix = new Matrix();
    matrix.preScale(1, -1);

    Bitmap reflectionImage = Bitmap.createBitmap(bitmap, 0, height * 2 / 3, width, height / 3, matrix, false);
    Bitmap bitmapWithReflection = Bitmap.createBitmap(width, (height + height / 3), Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmapWithReflection);
    canvas.drawBitmap(bitmap, 0, 0, null);
    Paint defaultPaint = new Paint();
    defaultPaint.setColor(Color.TRANSPARENT);
    canvas.drawRect(0, height, width, height + reflectionGap, defaultPaint);

    canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);

    Paint paint = new Paint();
    LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0,
            bitmapWithReflection.getHeight() + reflectionGap, 0x88ffffff, 0x00ffffff, TileMode.CLAMP);
    paint.setShader(shader);
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    canvas.drawRect(0, height, width, bitmapWithReflection.getHeight(), paint);

    return bitmapWithReflection;
}

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From source file:Main.java

public static Bitmap getRoundBitmap(Bitmap bmp, float roundDP) {
    //      roundDP *= Constants.screen_density;
    Bitmap bmpOut = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), Config.ARGB_8888);
    Canvas c = new Canvas(bmpOut);
    final Paint p = new Paint();
    final RectF rectF = new RectF(0, 0, bmp.getWidth(), bmp.getHeight());

    p.setAntiAlias(true);/*from  w  ww  . java  2  s . c om*/
    c.drawARGB(0, 0, 0, 0);
    p.setColor(Color.BLACK);
    c.drawRoundRect(rectF, roundDP, roundDP, p);
    p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    c.drawBitmap(bmp, 0, 0, p);
    return bmpOut;
}

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