API 0.9.5
AppKit/CoreAnimation/CABackingStore.j
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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 }
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