Example usage for android.graphics Canvas restore

Introduction

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

Prototype

public void restore()

Source Link

Document

This call balances a previous call to save(), and is used to remove all modifications to the matrix/clip state since the last save call.

Usage

From source file:Main.java

public static Bitmap addLabelToBitmap(Bitmap src, String label) {
    float densityFactor = Resources.getSystem().getDisplayMetrics().density;
    final float textPadding = src.getWidth() * 0.05f;

    Bitmap result = Bitmap.createBitmap(src.getWidth(), src.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(result);
    Paint textPaint = new Paint();
    textPaint.setAntiAlias(true);// www .jav  a  2s .  co  m
    textPaint.setTextSize(12 * densityFactor);
    textPaint.setColor(Color.WHITE);
    textPaint.setStrokeWidth(2 * densityFactor);
    textPaint.setShadowLayer(1 * densityFactor, 0, 0, Color.BLACK);

    float textWidth = textPaint.measureText(label);

    float scaleFactor = (src.getWidth() - textPadding * 2) / textWidth;

    canvas.drawBitmap(src, 0, 0, textPaint);

    canvas.save();
    canvas.scale(scaleFactor, scaleFactor);
    float textPosX = (src.getWidth() / scaleFactor - textWidth) / 2;
    float textPosY = (src.getHeight() - textPadding) / scaleFactor;

    canvas.drawText(label, textPosX, textPosY, textPaint);
    canvas.restore();
    return result;
}

From source file:Main.java

public static void fillRect(Canvas canvas, int left, int top, int right, int bottom, boolean drawBorder,
        int fillColor, int borderColor, float borderSize) {
    if (borderSize == 0)
        borderSize = 0.5f;//from ww w  . j  av  a2s.  com
    paint.setAntiAlias(true);
    paint.setStyle(Paint.Style.FILL);
    canvas.save();
    canvas.clipRect(new Rect(left, top, right, bottom));
    if (drawBorder) {
        paint.setColor(borderColor);
        canvas.drawRect(left, top, right, bottom, paint);
        paint.setColor(fillColor);
        canvas.drawRect(left + borderSize, top + borderSize, right - (borderSize * 2),
                bottom - (borderSize * 2), paint);
    } else {
        paint.setColor(fillColor);
        canvas.drawRect(left, top, right, bottom, paint);
    }
    canvas.restore();

}

From source file:Main.java

public static Bitmap transferMode(Bitmap src, Bitmap mask, Xfermode xfermode) {
    final int width = mask.getWidth();
    final int height = mask.getHeight();
    final Bitmap dst = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    final Canvas canvas = new Canvas(dst);
    final Paint paint = new Paint();
    paint.setAntiAlias(true);//w  w  w.  ja  va  2s.c o  m

    final int srcWidth = src.getWidth();
    final int srcHeight = src.getHeight();

    canvas.save();

    // Scale down the image first if required.
    if ((width < srcWidth) || (height < srcHeight)) {
        float radioX = (float) width / srcWidth;
        float radioY = (float) height / srcHeight;
        float radio = 1f;
        float dx = 0f;
        float dy = 0f;

        if (radioX > radioY) {
            radio = radioX;
            dy = (height / radioX - srcHeight) / 2.0f;
        } else {
            radio = radioY;
            dx = (width / radioX - srcWidth) / 2.0f;
        }

        canvas.scale(radio, radio);
        canvas.translate(dx, dy);
    }
    canvas.drawBitmap(src, 0, 0, paint);
    canvas.restore();

    if (xfermode != null) {
        paint.setXfermode(xfermode);
        canvas.drawBitmap(mask, 0, 0, paint);
    }

    return dst;
}

From source file:Main.java

/**
 * Draw a straight line through the points
 *//*w w  w  .  ja  v  a2 s.co m*/
public void drawLine(PointF p1, PointF p2, Canvas canvas, Paint paint) {
    canvas.save();
    canvas.drawLine(p1.x, p1.y, p2.x, p2.y, paint);
    canvas.restore();
}

From source file:app.philm.in.view.BackdropImageView.java

@Override
protected void onDraw(Canvas canvas) {
    if (mOffset != 0) {
        canvas.save();//from   ww w  . j a va2 s . c o m
        canvas.translate(0f, mOffset);
        canvas.clipRect(0f, 0f, canvas.getWidth(), canvas.getHeight() + mOffset);
        super.onDraw(canvas);
        canvas.restore();
    } else {
        super.onDraw(canvas);
    }
}

From source file:com.dbeginc.dbweather.utils.animations.widgets.RainFallView.java

@Override
protected void onDraw(Canvas canvas) {
    for (int i = 0; i < mRainFlakeCount; i++) {
        Drawable drawable = drawables.get(i);
        canvas.save();/*  w  ww.  j a  va 2 s  . c o  m*/
        canvas.translate(coords[i][0], coords[i][1]);
        drawable.draw(canvas);
        canvas.restore();
    }
    invalidate();
}

From source file:com.dbeginc.dbweather.utils.animations.widgets.SnowFallView.java

@Override
protected void onDraw(Canvas canvas) {
    for (int i = 0; i < snow_flake_count; i++) {
        Drawable drawable = drawables.get(i);
        canvas.save();/*w w w  . jav  a  2s . c  o  m*/
        canvas.translate(coords[i][0], coords[i][1]);
        drawable.draw(canvas);
        canvas.restore();
    }
    invalidate();
}

From source file:com.sinenco.sharednews.listviewremovalanimation.BackgroundContainer.java

@Override
protected void onDraw(Canvas canvas) {
    if (mShowing) {
        if (mUpdateBounds) {
            mShadowedBackground.setBounds(0, 0, getWidth(), mOpenAreaHeight);
        }//from   w  w  w  . j  a v a  2s.c o  m
        canvas.save();
        canvas.translate(0, mOpenAreaTop);
        mShadowedBackground.draw(canvas);
        canvas.restore();
    }
}

From source file:im.ene.ribbon.FixedActionTabView.java

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

    canvas.save();/*from www. j a v  a2 s.c om*/
    canvas.translate(0, iconTranslation);
    icon.draw(canvas);
    drawBadge(canvas);
    canvas.restore();

    canvas.save();
    canvas.scale(canvasTextScale, canvasTextScale, textCenterX, textCenterY);
    canvas.drawText(getAction().getTitle(), textX, textY, textPaint);
    canvas.restore();
}

From source file:com.crs4.roodin.moduletester.CustomView.java

@Override
public void onDraw(Canvas canvas, Matrix matrix) {

    canvas.rotate(currentRotation, translateX, translateY);
    canvas.drawBitmap(blockImg, 0, 0, null);
    drawBarreds().draw(canvas);//from ww w . j  a v  a 2 s.c om
    drawRadar(canvas);

    canvas.restore();
}