Example usage for android.graphics Canvas clipRect

Introduction

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

Prototype

@Deprecated
public boolean clipRect(@NonNull Rect rect, @NonNull Region.Op op) 

Source Link

Document

Modify the current clip with the specified rectangle, which is expressed in local coordinates.

Usage

From source file:com.aidy.launcher3.ui.workspace.Workspace.java

/**
 * Draw the View v into the given Canvas.
 * //  www .  j a va 2  s  .c  o  m
 * @param v
 *            the view to draw
 * @param destCanvas
 *            the canvas to draw on
 * @param padding
 *            the horizontal and vertical padding to use when drawing
 */
private void drawDragView(View v, Canvas destCanvas, int padding, boolean pruneToDrawable) {
    final Rect clipRect = mTempRect;
    v.getDrawingRect(clipRect);

    boolean textVisible = false;

    destCanvas.save();
    if (v instanceof TextView && pruneToDrawable) {
        Drawable d = ((TextView) v).getCompoundDrawables()[1];
        clipRect.set(0, 0, d.getIntrinsicWidth() + padding, d.getIntrinsicHeight() + padding);
        destCanvas.translate(padding / 2, padding / 2);
        d.draw(destCanvas);
    } else {
        if (v instanceof FolderIcon) {
            // For FolderIcons the text can bleed into the icon area, and so
            // we need to
            // hide the text completely (which can't be achieved by
            // clipping).
            if (((FolderIcon) v).getTextVisible()) {
                ((FolderIcon) v).setTextVisible(false);
                textVisible = true;
            }
        } else if (v instanceof BubbleTextView) {
            final BubbleTextView tv = (BubbleTextView) v;
            clipRect.bottom = tv.getExtendedPaddingTop() - (int) BubbleTextView.PADDING_V
                    + tv.getLayout().getLineTop(0);
        } else if (v instanceof TextView) {
            final TextView tv = (TextView) v;
            clipRect.bottom = tv.getExtendedPaddingTop() - tv.getCompoundDrawablePadding()
                    + tv.getLayout().getLineTop(0);
        }
        destCanvas.translate(-v.getScrollX() + padding / 2, -v.getScrollY() + padding / 2);
        destCanvas.clipRect(clipRect, Op.REPLACE);
        v.draw(destCanvas);

        // Restore text visibility of FolderIcon if necessary
        if (textVisible) {
            ((FolderIcon) v).setTextVisible(true);
        }
    }
    destCanvas.restore();
}

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