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/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
dojo._xdResourceLoaded(function(dojo, dijit, dojox){
return {depends: [["provide", "dojox.drawing.stencil.Image"]],
defineResource: function(dojo, dijit, dojox){if(!dojo._hasResource["dojox.drawing.stencil.Image"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.drawing.stencil.Image"] = true;
dojo.provide("dojox.drawing.stencil.Image");
dojox.drawing.stencil.Image = dojox.drawing.util.oo.declare(
// summary:
// Creates an dojox.gfx Image based on the data
// provided.
//
dojox.drawing.stencil._Base,
function(options){
// summary:
// constructor
},
{
type:"dojox.drawing.stencil.Image",
anchorType: "group",
baseRender:true,
/*=====
StencilData: {
// summary:
// The data used to create the dojox.gfx Shape
// x: Number
// Left point x
// y: Number
// Top point y
// width: ? Number
// Optional width of Image. If not provided, it is obtained
// height: ? Number
// Optional height of Image. If not provided, it is obtained
// src: String
// The location of the source image
},
StencilPoints: [
// summary:
// An Array of dojox.__StencilPoint objects that describe the Stencil
// 0: Object
// Top left point
// 1: Object
// Top right point
// 2: Object
// Bottom right point
// 3: Object
// Bottom left point
],
=====*/
dataToPoints: function(/*Object*/o){
//summary:
// Converts data to points.
o = o || this.data;
this.points = [
{x:o.x, y:o.y}, // TL
{x:o.x + o.width, y:o.y}, // TR
{x:o.x + o.width, y:o.y + o.height}, // BR
{x:o.x, y:o.y + o.height} // BL
];
return this.points;
},
pointsToData: function(/*Array*/p){
// summary:
// Converts points to data
p = p || this.points;
var s = p[0];
var e = p[2];
this.data = {
x: s.x,
y: s.y,
width: e.x-s.x,
height: e.y-s.y,
src: this.src || this.data.src
};
return this.data;
},
_createHilite: function(){
// summary:
// Create the hit and highlight area
// for the Image.
this.remove(this.hit);
this.hit = this.container.createRect(this.data)
.setStroke(this.style.current)
.setFill(this.style.current.fill);
this._setNodeAtts(this.hit);
},
_create: function(/*String*/shp, /*StencilData*/d, /*Object*/sty){
// summary:
// Creates a dojox.gfx.shape based on passed arguments.
// Can be called many times by implementation to create
// multiple shapes in one stencil.
//
this.remove(this[shp]);
var s = this.container.getParent();
this[shp] = s.createImage(d)
this.container.add(this[shp]);
this._setNodeAtts(this[shp]);
},
render: function(dbg){
// summary:
// Renders the 'hit' object (the shape used for an expanded
// hit area and for highlighting) and the'shape' (the actual
// display object). Image is slightly different than other
// implementations. Instead of calling render twice, it calls
// _createHilite for the 'hit'
//
if(this.data.width == "auto" || isNaN(this.data.width)){
this.getImageSize(true);
console.warn("Image size not provided. Acquiring...")
return;
}
this.onBeforeRender(this);
this.renderHit && this._createHilite();
this._create("shape", this.data, this.style.current);
},
getImageSize: function(render){
// summary:
// Internal. If no image size is passed in with the data
// create a dom node, insert and image, gets its dimensions
// record them - then destroy everything.
//
if(this._gettingSize){ return; } // IE gets it twice (will need to mod if src changes)
this._gettingSize = true;
var img = dojo.create("img", {src:this.data.src}, dojo.body());
var err = dojo.connect(img, "error", this, function(){
dojo.disconnect(c);
dojo.disconnect(err);
console.error("Error loading image:", this.data.src)
console.warn("Error image:", this.data)
});
var c = dojo.connect(img, "load", this, function(){
var dim = dojo.marginBox(img);
this.setData({
x:this.data.x,
y:this.data.y,
src:this.data.src,
width:dim.w,
height:dim.h
});
dojo.disconnect(c);
dojo.destroy(img);
render && this.render(true);
});
}
}
);
dojox.drawing.register({
name:"dojox.drawing.stencil.Image"
}, "stencil");
}
}};});
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