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API 0.9.5
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00001 /* 00002 * CABackingStore.j 00003 * AppKit 00004 * 00005 * Created by Francisco Tolmasky. 00006 * Copyright 2008, 280 North, Inc. 00007 * 00008 * This library is free software; you can redistribute it and/or 00009 * modify it under the terms of the GNU Lesser General Public 00010 * License as published by the Free Software Foundation; either 00011 * version 2.1 of the License, or (at your option) any later version. 00012 * 00013 * This library is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 * Lesser General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU Lesser General Public 00019 * License along with this library; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 */ 00022 00023 00024 #define PIXEL(pixels) pixels + "px"; 00025 00026 00027 function CABackingStoreGetContext(aBackingStore) 00028 { 00029 return aBackingStore.context; 00030 } 00031 00032 if (CPFeatureIsCompatible(CPHTMLCanvasFeature)) 00033 { 00034 00035 CABackingStoreCreate = function() 00036 { 00037 var DOMElement = document.createElement("canvas"); 00038 00039 DOMElement.style.position = "absolute"; 00040 00041 // FIXME: Consolidate drawImage to support this. 00042 return { context:DOMElement.getContext("2d"), buffer:DOMElement, _image:DOMElement }; 00043 } 00044 00045 CABackingStoreSetSize = function(aBackingStore, aSize) 00046 { 00047 var buffer = aBackingStore.buffer; 00048 00049 buffer.width = aSize.width; 00050 buffer.height = aSize.height; 00051 buffer.style.width = PIXEL(aSize.width); 00052 buffer.style.height = PIXEL(aSize.height); 00053 } 00054 } 00055 else 00056 { 00057 00058 CABackingStoreCreate = function() 00059 { 00060 var context = CGBitmapGraphicsContextCreate(); 00061 00062 context.buffer = ""; 00063 00064 return { context:context }; 00065 } 00066 00067 CABackingStoreSetSize = function(aBackingStore, aSize) 00068 { 00069 } 00070 00071 }