Example usage for android.graphics Rect height

Introduction

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

Prototype

public final int height()

Source Link

Usage

From source file:Main.java

/**
 * calculates the approximate height of a text, depending on a demo text
 * avoid repeated calls (e.g. inside drawing methods)
 *
 * @param paint/*from  w  w w .  ja v  a  2 s  . c  o  m*/
 * @param demoText
 * @return
 */
public static int calcTextHeight(Paint paint, String demoText) {

    Rect r = new Rect();
    paint.getTextBounds(demoText, 0, demoText.length(), r);
    return r.height();
}

From source file:Main.java

public static float calculateScale(Rect startBounds, Rect finalBounds) {

    float scale;/*from   w w  w . j  a va 2 s . c  om*/
    if ((float) finalBounds.width() / finalBounds.height() > (float) startBounds.width()
            / startBounds.height()) {
        /* Extend start bounds horizontally*/
        scale = (float) startBounds.height() / finalBounds.height();
        float startWidth = scale * finalBounds.width();
        float deltaWidth = (startWidth - startBounds.width()) / 2;
        startBounds.left -= deltaWidth;
        startBounds.right += deltaWidth;
    } else {
        /* Extend start bounds vertically*/
        scale = (float) startBounds.width() / finalBounds.width();
        float startHeight = scale * finalBounds.height();
        float deltaHeight = (startHeight - startBounds.height()) / 2;
        startBounds.top -= deltaHeight;
        startBounds.bottom += deltaHeight;
    }

    return scale;
}

From source file:Main.java

public static Bitmap crop(Bitmap bitmap, Rect cropRect) {
    return Bitmap.createBitmap(bitmap, cropRect.left, cropRect.top, cropRect.width(), cropRect.height());
}

From source file:Main.java

public static Bitmap resizeOuterFit(Bitmap src, Rect rect) {

    float aspectRatio = Math.max((float) rect.width() / src.getWidth(),
            (float) rect.height() / src.getHeight());
    int newWidth = (int) (src.getWidth() * aspectRatio);
    int newHeight = (int) (src.getHeight() * aspectRatio);
    return Bitmap.createScaledBitmap(src, newWidth, newHeight, false);
}

From source file:Main.java

public static int getWindowHeight(Activity activity) {
    Rect out = new Rect();
    activity.getWindow().findViewById(Window.ID_ANDROID_CONTENT).getHitRect(out);
    return out.height();
}

From source file:Main.java

public static Rect getBestFitRect(Bitmap bitmap, Rect destination) {
    return getBestFitRect(bitmap, (float) destination.width() / (float) destination.height());
}

From source file:Main.java

/**
 * to judge whether items take full page
 * if not ,even if last item is visible ,we should not call listener
 *
 * @return whether items take up full page
 *///from w  w  w .ja  va  2  s  .  com
public static boolean itemTakeFullPage(ListView list) {
    if (list.getChildCount() > 0) {
        int totalHeight = 0;
        for (int i = 0; i < list.getChildCount(); i++) {
            View child = list.getChildAt(i);
            Rect childRect = new Rect();
            child.getDrawingRect(childRect);
            totalHeight += childRect.height();
        }
        Rect visibleRect = new Rect();
        list.getGlobalVisibleRect(visibleRect);
        return (visibleRect.bottom - visibleRect.top) - totalHeight < VISIBLE_SLOP;
    }
    return false;
}

From source file:Main.java

static boolean validSurface(SurfaceHolder holder) {
    if (holder.getSurface() != null) {
        Rect r = holder.getSurfaceFrame();
        System.out.println("ExoVlcUtil.validSurface() r = " + r);
        return (r.width() * r.height()) > 0;
    }/*from   ww w .ja v  a2s .  c o  m*/
    return false;
}

From source file:Main.java

public static Bitmap cropCenterInside(Bitmap src, Rect rect) {
    int width = Math.min(src.getWidth(), rect.width());
    int height = Math.min(src.getHeight(), rect.height());
    int[] rowData = new int[width];
    int stride = src.getWidth();
    int x = (src.getWidth() - width) / 2;
    int y = (src.getHeight() - height) / 2;

    Bitmap dest = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);

    int delta = 0;
    while (delta < height) {
        src.getPixels(rowData, 0, stride, x, y + delta, width, 1);
        dest.setPixels(rowData, 0, stride, 0, delta, width, 1);
        delta++;/*from w  w w.  jav  a2s  .co  m*/
    }
    return dest;
}

From source file:Main.java

/**
 * calculates the approximate height of a text, depending on a demo text
 * avoid repeated calls (e.g. inside drawing methods)
 *
 * @param paint/*w  w w  .java2s . c  o  m*/
 * @param demoText
 * @return
 */
public static int calcTextHeight(Paint paint, String demoText) {

    Rect r = mCalcTextHeightRect;
    r.set(0, 0, 0, 0);
    paint.getTextBounds(demoText, 0, demoText.length(), r);
    return r.height();
}