Example usage for android.graphics Rect Rect

Introduction

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

Prototype

public Rect() 

Source Link

Document

Create a new empty Rect.

Usage

From source file:Main.java

/**
 * Returns the node's bounds clipped to the size of the display
 *
 * @param node//w w w.  j  a va  2 s . c  o  m
 * @param width  pixel width of the display
 * @param height pixel height of the display
 * @return null if node is null, else a Rect containing visible bounds
 */
public static Rect getVisibleBoundsInScreen(AccessibilityNodeInfo node, int width, int height) {
    if (node == null) {
        return null;
    }
    // targeted node's bounds
    Rect nodeRect = new Rect();
    node.getBoundsInScreen(nodeRect);

    Rect displayRect = new Rect();
    displayRect.top = 0;
    displayRect.left = 0;
    displayRect.right = width;
    displayRect.bottom = height;
    boolean intersect = nodeRect.intersect(displayRect);
    return nodeRect;
}

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From source file:Main.java

public static int getStatusBarHeight(View view) {
    Rect rectangle = new Rect();
    view.getRootView().getWindowVisibleDisplayFrame(rectangle);
    return rectangle.top;
}

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From source file:Main.java

public static boolean isKeyboardShown(View rootView) {
    // 128dp = 32dp * 4, minimum button height 32dp and generic 4 rows soft keyboard
    final int SOFT_KEYBOARD_HEIGHT_DP_THRESHOLD = 128;

    Rect r = new Rect();
    rootView.getWindowVisibleDisplayFrame(r);
    DisplayMetrics dm = rootView.getResources().getDisplayMetrics();
    // heightDiff = rootView height - status bar height (r.top) - visible frame height (r.bottom - r.top)
    int heightDiff = rootView.getBottom() - r.bottom;
    // Threshold size: dp to pixels, multiply with display density
    boolean isKeyboardShown = heightDiff > SOFT_KEYBOARD_HEIGHT_DP_THRESHOLD * dm.density;

    //        Log.d(TAG, "isKeyboardShown ? " + isKeyboardShown + ", heightDiff:" + heightDiff + ", density:" + dm.density
    //                + "root view height:" + rootView.getHeight() + ", rect:" + r);

    return isKeyboardShown;
}

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From source file:Main.java

public static int getTextHeightByBounds(String text, float textSize) {
    Paint paint = new Paint();
    Rect bounds = new Rect();
    paint.setTextSize(textSize);//from   w  w w . ja va  2 s  .c o  m
    paint.getTextBounds(text, 0, text.length(), bounds);
    return bounds.height();
}

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From source file:Main.java

public static Rect getDisplaySize(Context context) {
    Rect rect = new Rect();
    WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = manager.getDefaultDisplay();
    rect.set(0, 0, display.getWidth(), display.getHeight());
    return rect;/*from   w w  w.  j  a v  a 2s  .  c om*/
}

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From source file:Main.java

public static Bitmap asBitmap(Drawable drawable, int minWidth, int minHeight) {
    final Rect tmpRect = new Rect();
    drawable.copyBounds(tmpRect);//from w  w  w .ja  va  2s.  c  om
    if (tmpRect.isEmpty()) {
        tmpRect.set(0, 0, Math.max(minWidth, drawable.getIntrinsicWidth()),
                Math.max(minHeight, drawable.getIntrinsicHeight()));
        drawable.setBounds(tmpRect);
    }
    Bitmap bitmap = Bitmap.createBitmap(tmpRect.width(), tmpRect.height(), Bitmap.Config.ARGB_8888);
    drawable.draw(new Canvas(bitmap));
    return bitmap;
}

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From source file:Main.java

/**
 * get activity screen shot bitmap. system status bar is not included.
 * @param activity the activity//from   w  ww .  j ava 2 s.c  o m
 * @return bitmap
 */
public static Bitmap capture(Activity activity) {
    View view = activity.getWindow().getDecorView();
    view.buildDrawingCache();
    Bitmap bitmap = view.getDrawingCache();

    Rect frame = new Rect();
    activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
    int statusBarHeight = frame.top;
    int width = activity.getWindowManager().getDefaultDisplay().getWidth();
    int height = activity.getWindowManager().getDefaultDisplay().getHeight();
    Bitmap b = Bitmap.createBitmap(bitmap, 0, statusBarHeight, width, height - statusBarHeight);
    view.destroyDrawingCache();
    return b;
}

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From source file:Main.java

public static byte[] makeFontBitmap(String font, String code, int size, float[] arrayOfPos) {
    Canvas c = new Canvas();
    Paint p = new Paint();
    float density = context.getResources().getDisplayMetrics().density;
    //        Log.v(TAG, String.format("makeFontBitmap called(Java): font=%s code=%s density=%f", font, code, density));
    p.setTextSize((float) size * density);
    p.setAntiAlias(true);//from  w w w. ja  v  a 2 s .  c o  m

    Rect textBounds = new Rect();
    p.getTextBounds(code, 0, code.length(), textBounds);
    //        Log.v(TAG, String.format("makeFontBitmap textBounds: %d,%d,%d,%d", textBounds.left, textBounds.top, textBounds.right, textBounds.bottom));

    Rect textBoundsAxA = new Rect();
    String axa = String.format("A%sA", code);
    p.getTextBounds(axa, 0, axa.length(), textBoundsAxA);
    Rect textBoundsAA = new Rect();
    String aa = "AA";
    p.getTextBounds(aa, 0, aa.length(), textBoundsAA);

    // cache.distDelta = Vec2(0, 0);
    arrayOfPos[0] = textBounds.left;
    arrayOfPos[1] = textBounds.top;

    // cache.srcWidth = Vec2(16, 16);
    arrayOfPos[2] = textBounds.width();
    arrayOfPos[3] = textBounds.height();

    // cache.step = 16;
    //      arrayOfPos[4] = textBounds.width() + 1;
    arrayOfPos[4] = textBoundsAxA.width() - textBoundsAA.width();

    if (textBounds.width() == 0 || textBounds.height() == 0) {
        Log.v(TAG, "makeFontBitmap: empty");
        return null;
    }

    Bitmap b = Bitmap.createBitmap(textBounds.width(), textBounds.height(), Bitmap.Config.ARGB_8888);
    c.setBitmap(b);

    Rect r = new Rect(0, 0, textBounds.width(), textBounds.height());
    //      p.setColor(Color.RED);
    p.setARGB(0, 0, 0, 0);
    c.drawRect(r, p);
    p.setARGB(255, 255, 255, 255);

    //        Log.v(TAG, "makeFontBitmap: drawText");
    c.drawText(code, -textBounds.left, -textBounds.top, p);
    //        Log.v(TAG, String.format("makeFontBitmap: w=%.2f h=%.2f", arrayOfPos[2], arrayOfPos[3]));

    ByteBuffer buf = ByteBuffer.allocate(textBounds.width() * textBounds.height() * 4);
    //        Log.v(TAG, String.format("makeFontBitmap: b.getRowBytes() %d", b.getRowBytes()));
    buf.position(0);
    b.copyPixelsToBuffer(buf);
    //        Log.v(TAG, String.format("makeFontBitmap results: capacity=%d", buf.capacity()));

    return buf.array();
}

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From source file:Main.java

public static Bitmap getCrop(Activity activity) {
    View view = activity.getWindow().getDecorView();
    view.buildDrawingCache();//w ww . j a  va  2  s . c  o m

    Rect rect = new Rect();
    view.getWindowVisibleDisplayFrame(rect);
    int stateBarHeight = rect.top;

    view.setDrawingCacheEnabled(true);

    Bitmap bmpCache = view.getDrawingCache();
    Bitmap bmp = Bitmap.createBitmap(bmpCache, 0, stateBarHeight, bmpCache.getWidth(),
            bmpCache.getHeight() - stateBarHeight);

    view.destroyDrawingCache();

    return bmp;
}

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From source file:Main.java

public static byte[] makeFontBitmap(String font, String code, int size, float[] arrayOfPos) {
    Log.v(TAG, String.format("makeFontBitmap called(Java): font=%s code=%s", font, code));
    Canvas c = new Canvas();
    Paint p = new Paint();
    //        Log.v(TAG, "get density");
    float density = context.getResources().getDisplayMetrics().density;
    Log.v(TAG, String.format("makeFontBitmap density: %f", density));
    p.setTextSize((float) size * density);
    p.setAntiAlias(true);//from w  ww. ja  v a  2s. c  o  m

    Rect textBounds = new Rect();
    p.getTextBounds(code, 0, code.length(), textBounds);
    Log.v(TAG, String.format("makeFontBitmap textBounds: %d,%d,%d,%d", textBounds.left, textBounds.top,
            textBounds.right, textBounds.bottom));

    Rect textBoundsAxA = new Rect();
    String axa = String.format("A%sA", code);
    p.getTextBounds(axa, 0, axa.length(), textBoundsAxA);
    Rect textBoundsAA = new Rect();
    String aa = "AA";
    p.getTextBounds(aa, 0, aa.length(), textBoundsAA);

    // cache.distDelta = Vec2(0, 0);
    arrayOfPos[0] = textBounds.left;
    arrayOfPos[1] = textBounds.top;

    // cache.srcWidth = Vec2(16, 16);
    arrayOfPos[2] = textBounds.width();
    arrayOfPos[3] = textBounds.height();

    // cache.step = 16;
    //      arrayOfPos[4] = textBounds.width() + 1;
    arrayOfPos[4] = textBoundsAxA.width() - textBoundsAA.width();

    if (textBounds.width() == 0 || textBounds.height() == 0) {
        Log.v(TAG, "makeFontBitmap: empty");
        return null;
    }

    Bitmap b = Bitmap.createBitmap(textBounds.width(), textBounds.height(), Bitmap.Config.ARGB_8888);
    c.setBitmap(b);

    Rect r = new Rect(0, 0, textBounds.width(), textBounds.height());
    //      p.setColor(Color.RED);
    p.setARGB(0, 0, 0, 0);
    c.drawRect(r, p);
    p.setARGB(255, 255, 255, 255);

    //        Log.v(TAG, "makeFontBitmap: drawText");
    c.drawText(code, -textBounds.left, -textBounds.top, p);
    Log.v(TAG, String.format("makeFontBitmap: w=%.2f h=%.2f", arrayOfPos[2], arrayOfPos[3]));

    ByteBuffer buf = ByteBuffer.allocate(textBounds.width() * textBounds.height() * 4);
    //      ByteBuffer buf = ByteBuffer.allocate(b.getRowBytes());
    Log.v(TAG, String.format("makeFontBitmap: b.getRowBytes() %d", b.getRowBytes()));
    buf.position(0);
    b.copyPixelsToBuffer(buf);
    Log.v(TAG, String.format("makeFontBitmap results: capacity=%d", buf.capacity()));

    //      byte bytes[] = buf.array();
    //      for (int i = 0; i < size * size * 2; i++)
    //         bytes[i] = (byte)(Math.random() * 255);
    return buf.array();
}

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