Ray Greenwell
8e791eb994
git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@161 ed5b42cb-e716-0410-a449-f6a68f950b19
89 lines
2.9 KiB
ActionScript
89 lines
2.9 KiB
ActionScript
//
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// $Id$
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//
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// Nenya library - tools for developing networked games
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// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/nenya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.flash {
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import flash.display.Bitmap;
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import flash.display.BitmapData;
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import flash.display.DisplayObject;
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import flash.display.Shape;
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import flash.geom.Point;
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import flash.geom.Rectangle;
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import flash.text.TextField;
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import flash.text.TextLineMetrics;
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/**
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* Image and Bitmap related utility functions.
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*/
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public class ImageUtil
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{
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/**
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* Create a DisplayObject that will display an error message
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* of the specified dimensions.
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*/
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public static function createErrorImage (width :int, height :int)
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:DisplayObject
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{
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var shape :Shape = new Shape();
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shape.graphics.beginBitmapFill(createErrorBitmap());
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shape.graphics.drawRect(0, 0, width, height);
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shape.graphics.endFill();
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return shape;
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/*
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// Alternate implementation that creates an actual Bitmap object
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var src :BitmapData = createErrorBitmap();
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var data :BitmapData = new BitmapData(width, height, false);
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data.draw(src);
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var rect :Rectangle = new Rectangle(0, 0, src.width, src.height);
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for (var xx :int = 0; xx < width; xx += src.width) {
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for (var yy :int = 0; yy < height; yy += src.height) {
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if (xx != 0 || yy != 0) {
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data.copyPixels(data, rect, new Point(xx, yy));
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}
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}
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}
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return new Bitmap(data);
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*/
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}
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/**
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* Create a minimally-sized "error" BitmapData.
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*/
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public static function createErrorBitmap () :BitmapData
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{
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var txt :TextField = new TextField();
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txt.text = "Error";
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var metrics :TextLineMetrics = txt.getLineMetrics(0);
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var data :BitmapData = new BitmapData(
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metrics.width + ERROR_PADDING, metrics.height + ERROR_PADDING,
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false, 0xFF4040);
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data.draw(txt);
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return data;
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}
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/** The amount to pad error messages by. */
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private static const ERROR_PADDING :int = 5;
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}
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}
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