GT2/GT2-iOS/node_modules/art/modes/canvas/shape.js

95 lines
2.3 KiB
JavaScript

var Class = require('../../core/class');
var Base = require('./base');
var Path = require('./path');
module.exports = Class(Base, {
base_initialize: Base.prototype.initialize,
initialize: function(path, width, height){
this.base_initialize();
this.width = width;
this.height = height;
if (path != null) this.draw(path);
},
draw: function(path, width, height){
if (!(path instanceof Path)) path = new Path(path);
this.path = path;
this._commands = path.toCommands();
if (width != null) this.width = width;
if (height != null) this.height = height;
return this.invalidate();
},
localHitTest: function(x, y){
if (!this._fill) return null;
if (this.width == null || this.height == null){
var context = Base._genericContext, commands = this._commands;
if (!commands) return null;
context.beginPath();
for (var i = 0, l = commands.length; i < l; i++)
commands[i](context);
return context.isPointInPath(x, y) ? this : null;
}
if (x > 0 && y > 0 && x < this.width && y < this.height){
return this;
}
return null;
},
renderShapeTo: function(context){
if (this._invisible || !this._commands || (!this._fill && !this._stroke)) {
return null;
}
context.transform(this.xx, this.yx, this.xy, this.yy, this.x, this.y);
var commands = this._commands,
fill = this._fill,
stroke = this._stroke,
dash = this._strokeDash;
context.beginPath();
if (dash) {
if (context.setLineDash) {
context.setLineDash(dash);
} else {
// TODO: Remove when FF supports setLineDash.
context.mozDash = dash;
}
// TODO: Create fallback to other browsers.
} else {
if (context.setLineDash) {
context.setLineDash([]);
} else {
context.mozDash = null;
}
}
for (var i = 0, l = commands.length; i < l; i++)
commands[i](context);
if (fill){
var m = this._fillTransform;
if (m){
context.save(); // TODO: Optimize away this by restoring the transform before stroking
context.transform(m.xx, m.yx, m.xy, m.yy, m.x, m.y);
context.fillStyle = fill;
context.fill();
context.restore();
} else {
context.fillStyle = fill;
context.fill();
}
}
if (stroke){
context.strokeStyle = stroke;
context.lineWidth = this._strokeWidth;
context.lineCap = this._strokeCap;
context.lineJoin = this._strokeJoin;
context.stroke();
}
}
});