161 lines
4.1 KiB
JavaScript
161 lines
4.1 KiB
JavaScript
//>>built
|
|
define("dojox/gfx/matrix",["./_base","dojo/_base/lang"],function(g,_1){
|
|
var m=g.matrix={};
|
|
var _2={};
|
|
m._degToRad=function(_3){
|
|
return _2[_3]||(_2[_3]=(Math.PI*_3/180));
|
|
};
|
|
m._radToDeg=function(_4){
|
|
return _4/Math.PI*180;
|
|
};
|
|
m.Matrix2D=function(_5){
|
|
if(_5){
|
|
if(typeof _5=="number"){
|
|
this.xx=this.yy=_5;
|
|
}else{
|
|
if(_5 instanceof Array){
|
|
if(_5.length>0){
|
|
var _6=m.normalize(_5[0]);
|
|
for(var i=1;i<_5.length;++i){
|
|
var l=_6,r=m.normalize(_5[i]);
|
|
_6=new m.Matrix2D();
|
|
_6.xx=l.xx*r.xx+l.xy*r.yx;
|
|
_6.xy=l.xx*r.xy+l.xy*r.yy;
|
|
_6.yx=l.yx*r.xx+l.yy*r.yx;
|
|
_6.yy=l.yx*r.xy+l.yy*r.yy;
|
|
_6.dx=l.xx*r.dx+l.xy*r.dy+l.dx;
|
|
_6.dy=l.yx*r.dx+l.yy*r.dy+l.dy;
|
|
}
|
|
_1.mixin(this,_6);
|
|
}
|
|
}else{
|
|
_1.mixin(this,_5);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
_1.extend(m.Matrix2D,{xx:1,xy:0,yx:0,yy:1,dx:0,dy:0});
|
|
_1.mixin(m,{identity:new m.Matrix2D(),flipX:new m.Matrix2D({xx:-1}),flipY:new m.Matrix2D({yy:-1}),flipXY:new m.Matrix2D({xx:-1,yy:-1}),translate:function(a,b){
|
|
if(arguments.length>1){
|
|
return new m.Matrix2D({dx:a,dy:b});
|
|
}
|
|
return new m.Matrix2D({dx:a.x,dy:a.y});
|
|
},scale:function(a,b){
|
|
if(arguments.length>1){
|
|
return new m.Matrix2D({xx:a,yy:b});
|
|
}
|
|
if(typeof a=="number"){
|
|
return new m.Matrix2D({xx:a,yy:a});
|
|
}
|
|
return new m.Matrix2D({xx:a.x,yy:a.y});
|
|
},rotate:function(_7){
|
|
var c=Math.cos(_7);
|
|
var s=Math.sin(_7);
|
|
return new m.Matrix2D({xx:c,xy:-s,yx:s,yy:c});
|
|
},rotateg:function(_8){
|
|
return m.rotate(m._degToRad(_8));
|
|
},skewX:function(_9){
|
|
return new m.Matrix2D({xy:Math.tan(_9)});
|
|
},skewXg:function(_a){
|
|
return m.skewX(m._degToRad(_a));
|
|
},skewY:function(_b){
|
|
return new m.Matrix2D({yx:Math.tan(_b)});
|
|
},skewYg:function(_c){
|
|
return m.skewY(m._degToRad(_c));
|
|
},reflect:function(a,b){
|
|
if(arguments.length==1){
|
|
b=a.y;
|
|
a=a.x;
|
|
}
|
|
var a2=a*a,b2=b*b,n2=a2+b2,xy=2*a*b/n2;
|
|
return new m.Matrix2D({xx:2*a2/n2-1,xy:xy,yx:xy,yy:2*b2/n2-1});
|
|
},project:function(a,b){
|
|
if(arguments.length==1){
|
|
b=a.y;
|
|
a=a.x;
|
|
}
|
|
var a2=a*a,b2=b*b,n2=a2+b2,xy=a*b/n2;
|
|
return new m.Matrix2D({xx:a2/n2,xy:xy,yx:xy,yy:b2/n2});
|
|
},normalize:function(_d){
|
|
return (_d instanceof m.Matrix2D)?_d:new m.Matrix2D(_d);
|
|
},clone:function(_e){
|
|
var _f=new m.Matrix2D();
|
|
for(var i in _e){
|
|
if(typeof (_e[i])=="number"&&typeof (_f[i])=="number"&&_f[i]!=_e[i]){
|
|
_f[i]=_e[i];
|
|
}
|
|
}
|
|
return _f;
|
|
},invert:function(_10){
|
|
var M=m.normalize(_10),D=M.xx*M.yy-M.xy*M.yx;
|
|
M=new m.Matrix2D({xx:M.yy/D,xy:-M.xy/D,yx:-M.yx/D,yy:M.xx/D,dx:(M.xy*M.dy-M.yy*M.dx)/D,dy:(M.yx*M.dx-M.xx*M.dy)/D});
|
|
return M;
|
|
},_multiplyPoint:function(_11,x,y){
|
|
return {x:_11.xx*x+_11.xy*y+_11.dx,y:_11.yx*x+_11.yy*y+_11.dy};
|
|
},multiplyPoint:function(_12,a,b){
|
|
var M=m.normalize(_12);
|
|
if(typeof a=="number"&&typeof b=="number"){
|
|
return m._multiplyPoint(M,a,b);
|
|
}
|
|
return m._multiplyPoint(M,a.x,a.y);
|
|
},multiply:function(_13){
|
|
var M=m.normalize(_13);
|
|
for(var i=1;i<arguments.length;++i){
|
|
var l=M,r=m.normalize(arguments[i]);
|
|
M=new m.Matrix2D();
|
|
M.xx=l.xx*r.xx+l.xy*r.yx;
|
|
M.xy=l.xx*r.xy+l.xy*r.yy;
|
|
M.yx=l.yx*r.xx+l.yy*r.yx;
|
|
M.yy=l.yx*r.xy+l.yy*r.yy;
|
|
M.dx=l.xx*r.dx+l.xy*r.dy+l.dx;
|
|
M.dy=l.yx*r.dx+l.yy*r.dy+l.dy;
|
|
}
|
|
return M;
|
|
},_sandwich:function(_14,x,y){
|
|
return m.multiply(m.translate(x,y),_14,m.translate(-x,-y));
|
|
},scaleAt:function(a,b,c,d){
|
|
switch(arguments.length){
|
|
case 4:
|
|
return m._sandwich(m.scale(a,b),c,d);
|
|
case 3:
|
|
if(typeof c=="number"){
|
|
return m._sandwich(m.scale(a),b,c);
|
|
}
|
|
return m._sandwich(m.scale(a,b),c.x,c.y);
|
|
}
|
|
return m._sandwich(m.scale(a),b.x,b.y);
|
|
},rotateAt:function(_15,a,b){
|
|
if(arguments.length>2){
|
|
return m._sandwich(m.rotate(_15),a,b);
|
|
}
|
|
return m._sandwich(m.rotate(_15),a.x,a.y);
|
|
},rotategAt:function(_16,a,b){
|
|
if(arguments.length>2){
|
|
return m._sandwich(m.rotateg(_16),a,b);
|
|
}
|
|
return m._sandwich(m.rotateg(_16),a.x,a.y);
|
|
},skewXAt:function(_17,a,b){
|
|
if(arguments.length>2){
|
|
return m._sandwich(m.skewX(_17),a,b);
|
|
}
|
|
return m._sandwich(m.skewX(_17),a.x,a.y);
|
|
},skewXgAt:function(_18,a,b){
|
|
if(arguments.length>2){
|
|
return m._sandwich(m.skewXg(_18),a,b);
|
|
}
|
|
return m._sandwich(m.skewXg(_18),a.x,a.y);
|
|
},skewYAt:function(_19,a,b){
|
|
if(arguments.length>2){
|
|
return m._sandwich(m.skewY(_19),a,b);
|
|
}
|
|
return m._sandwich(m.skewY(_19),a.x,a.y);
|
|
},skewYgAt:function(_1a,a,b){
|
|
if(arguments.length>2){
|
|
return m._sandwich(m.skewYg(_1a),a,b);
|
|
}
|
|
return m._sandwich(m.skewYg(_1a),a.x,a.y);
|
|
}});
|
|
g.Matrix2D=m.Matrix2D;
|
|
return m;
|
|
});
|