Example usage for android.graphics Canvas Canvas

Introduction

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

Prototype

@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
public Canvas(long nativeCanvas)

Source Link

Usage

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    try {//from  w ww .  j  a  v a 2 s.  co m
        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
        Canvas canvas = new Canvas(output);
        final Paint paint = new Paint();
        final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        final RectF rectF = new RectF(new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight()));
        final float roundPx = 15;
        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(Color.BLACK);
        canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));

        final Rect src = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

        canvas.drawBitmap(bitmap, src, rect, paint);
        return output;
    } catch (Exception e) {
        return bitmap;
    }
}

From source file:Main.java

public static Bitmap getWebViewShopshat(WebView webView) {
    webView.setDrawingCacheEnabled(true);
    webView.buildDrawingCache();/*w ww . j a v  a2 s. c  o m*/
    Picture snapShot = webView.capturePicture();
    Bitmap bitmap = Bitmap.createBitmap(snapShot.getWidth(), snapShot.getHeight(), Bitmap.Config.ARGB_8888);
    //bitmap.eraseColor(Color.WHITE);

    Canvas c = new Canvas(bitmap);
    int state = c.save();
    webView.draw(c);
    //c.restoreToCount(state);
    c.restore();
    webView.destroyDrawingCache();

    return bitmap;
}

From source file:Main.java

public static Bitmap GetRoundedCornerBitmap(Bitmap bitmap) {
    try {//from  w w w .ja  v a  2s  . c om
        Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
        Canvas canvas = new Canvas(output);
        final Paint paint = new Paint();
        final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        final RectF rectF = new RectF(new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight()));
        final float roundPx = 14;
        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(Color.BLACK);
        canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));

        final Rect src = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

        canvas.drawBitmap(bitmap, src, rect, paint);
        return output;
    } catch (Exception e) {
        return bitmap;
    }
}

From source file:Main.java

public static Bitmap drawBackground(int cellSize, int height, int widht) {

    Bitmap bitmap = Bitmap.createBitmap(widht, height, Config.ARGB_8888);
    Canvas cv = new Canvas(bitmap);

    Paint background = new Paint();
    background.setColor(BACKGROUND_COLOR);
    cv.drawRect(0, 0, widht, height, background);
    background.setAntiAlias(true);//from www.  j a v  a2 s .c o m

    background.setColor(LINE_COLOR);

    for (int i = 0; i < widht / cellSize; i++) {
        cv.drawLine(cellSize * i, 0, cellSize * i, height, background);
    }

    for (int i = 0; i < height / cellSize; i++) {
        cv.drawLine(0, cellSize * i, widht, cellSize * i, background);
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap drawableToBitmap(Drawable drawable) {
    int width = drawable.getIntrinsicWidth();
    int height = drawable.getIntrinsicHeight();
    Bitmap bitmap = Bitmap.createBitmap(width, height,
            drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565);
    Canvas canvas = new Canvas(bitmap);
    drawable.setBounds(0, 0, width, height);
    drawable.draw(canvas);//from   w w  w .  j a v  a 2  s.  c  om
    return bitmap;

}

From source file:Main.java

public static Bitmap drawableToBitmap(Drawable drawable) {
    if (drawable instanceof BitmapDrawable) {
        return ((BitmapDrawable) drawable).getBitmap();
    }//from w  ww .  ja  v  a2s . c  o  m

    Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
            Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    drawable.draw(canvas);

    return bitmap;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap 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 = 12;

    paint.setAntiAlias(true);/*from  w  w w. j av a2 s. c om*/
    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);

    if (null != bitmap) {
        bitmap.recycle();
        bitmap = null;
    }

    return output;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float roundPx) {
    try {/*ww  w. jav  a 2 s  .  c om*/
        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);
        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;
    } catch (Exception e) {
        e.printStackTrace();
        return bitmap;
    }
}

From source file:Main.java

public static Bitmap getRCB(Bitmap bitmap, float roundPX) {
    // RCB means//from  w w  w .j a  v  a2s  .c  o m
    // Rounded
    // Corner Bitmap
    Bitmap dstbmp = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(dstbmp);

    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);
    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 dstbmp;
}

From source file:Main.java

public static Bitmap getCircleBitmap(Bitmap bitmap) {
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);

    final int color = Color.RED;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    //final Paint paintBorder = new Paint();
    // paintBorder.setColor(Color.GREEN);
    //paintBorder.setShadowLayer(4.0f, 0.0f, 2.0f, Color.BLACK);
    //BitmapShader shader = new BitmapShader(Bitmap.createScaledBitmap(output, canvas.getWidth(), canvas.getHeight(), false), Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    //paint.setShader(shader);
    paint.setAntiAlias(true);//from  w w w . j  a  va 2 s  .  co m
    //paintBorder.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawOval(rectF, paint);
    //int circleCenter = bitmap.getWidth() / 2;
    //int borderWidth = 2;
    //canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter + borderWidth - 4.0f, paintBorder);
    //canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter - 4.0f, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    //canvas.drawBitmap(bitmap, circleCenter + borderWidth, circleCenter + borderWidth, paint);
    bitmap.recycle();
    return output;
}