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-// Copyright 2007 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-
-/**
- * @fileoverview Graphics utility functions and factory methods.
- * @author arv@google.com (Erik Arvidsson)
- * @see ../demos/graphics/advancedcoordinates.html
- * @see ../demos/graphics/advancedcoordinates2.html
- * @see ../demos/graphics/basicelements.html
- * @see ../demos/graphics/events.html
- * @see ../demos/graphics/modifyelements.html
- * @see ../demos/graphics/tiger.html
- */
-
-
-goog.provide('goog.graphics');
-
-goog.require('goog.graphics.CanvasGraphics');
-goog.require('goog.graphics.SvgGraphics');
-goog.require('goog.graphics.VmlGraphics');
-goog.require('goog.userAgent');
-
-
-/**
- * Returns an instance of goog.graphics.AbstractGraphics that knows how to draw
- * for the current platform (A factory for the proper Graphics implementation)
- * @param {string|number} width The width in pixels. Strings
- * expressing percentages of parent with (e.g. '80%') are also accepted.
- * @param {string|number} height The height in pixels. Strings
- * expressing percentages of parent with (e.g. '80%') are also accepted.
- * @param {?number=} opt_coordWidth The optional coordinate width - if
- * omitted or null, defaults to same as width.
- * @param {?number=} opt_coordHeight The optional coordinate height - if
- * omitted or null, defaults to same as height.
- * @param {goog.dom.DomHelper=} opt_domHelper The DOM helper object for the
- * document we want to render in.
- * @return {goog.graphics.AbstractGraphics} The created instance.
- */
-goog.graphics.createGraphics = function(width, height, opt_coordWidth,
- opt_coordHeight, opt_domHelper) {
- var graphics;
- if (goog.userAgent.IE && !goog.userAgent.isVersion('9')) {
- graphics = new goog.graphics.VmlGraphics(width, height,
- opt_coordWidth, opt_coordHeight, opt_domHelper);
- } else if (goog.userAgent.WEBKIT && (!goog.userAgent.isVersion('420') ||
- goog.userAgent.MOBILE)) {
- graphics = new goog.graphics.CanvasGraphics(width, height,
- opt_coordWidth, opt_coordHeight, opt_domHelper);
- } else {
- graphics = new goog.graphics.SvgGraphics(width, height,
- opt_coordWidth, opt_coordHeight, opt_domHelper);
- }
-
- // Create the dom now, because all drawing methods require that the
- // main dom element (the canvas) has been already created.
- graphics.createDom();
-
- return graphics;
-};
-
-
-/**
- * Returns an instance of goog.graphics.AbstractGraphics that knows how to draw
- * for the current platform (A factory for the proper Graphics implementation)
- * @param {string|number} width The width in pixels. Strings
- * expressing percentages of parent with (e.g. '80%') are also accepted.
- * @param {string|number} height The height in pixels. Strings
- * expressing percentages of parent with (e.g. '80%') are also accepted.
- * @param {?number=} opt_coordWidth The optional coordinate width, defaults to
- * same as width.
- * @param {?number=} opt_coordHeight The optional coordinate height, defaults to
- * same as height.
- * @param {goog.dom.DomHelper=} opt_domHelper The DOM helper object for the
- * document we want to render in.
- * @return {goog.graphics.AbstractGraphics} The created instance.
- */
-goog.graphics.createSimpleGraphics = function(width, height,
- opt_coordWidth, opt_coordHeight, opt_domHelper) {
- if (goog.userAgent.MAC && goog.userAgent.GECKO &&
- !goog.userAgent.isVersion('1.9a')) {
- // Canvas is 6x faster than SVG on Mac FF 2.0
- var graphics = new goog.graphics.CanvasGraphics(
- width, height, opt_coordWidth, opt_coordHeight,
- opt_domHelper);
- graphics.createDom();
- return graphics;
- }
-
- // Otherwise, defer to normal graphics object creation.
- return goog.graphics.createGraphics(width, height, opt_coordWidth,
- opt_coordHeight, opt_domHelper);
-};
-
-
-/**
- * Static function to check if the current browser has Graphics support.
- * @return {boolean} True if the current browser has Graphics support.
- */
-goog.graphics.isBrowserSupported = function() {
- if (goog.userAgent.IE) {
- return goog.userAgent.isVersion('5.5');
- }
- if (goog.userAgent.GECKO) {
- return goog.userAgent.isVersion('1.8');
- }
- if (goog.userAgent.OPERA) {
- return goog.userAgent.isVersion('9.0');
- }
- if (goog.userAgent.WEBKIT) {
- return goog.userAgent.isVersion('412');
- }
- return false;
-};