You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
278 lines
7.4 KiB
JavaScript
278 lines
7.4 KiB
JavaScript
dojo.provide("dojox.gfx.fx");
|
|
|
|
dojo.require("dojox.gfx.matrix");
|
|
|
|
(function(){
|
|
var d = dojo, g = dojox.gfx, m = g.matrix;
|
|
|
|
// Generic interpolators. Should they be moved to dojox.fx?
|
|
|
|
var InterpolNumber = function(start, end){
|
|
this.start = start, this.end = end;
|
|
};
|
|
d.extend(InterpolNumber, {
|
|
getValue: function(r){
|
|
return (this.end - this.start) * r + this.start;
|
|
}
|
|
});
|
|
|
|
var InterpolUnit = function(start, end, unit){
|
|
this.start = start, this.end = end;
|
|
this.unit = unit;
|
|
};
|
|
d.extend(InterpolUnit, {
|
|
getValue: function(r){
|
|
return (this.end - this.start) * r + this.start + this.unit;
|
|
}
|
|
});
|
|
|
|
var InterpolColor = function(start, end){
|
|
this.start = start, this.end = end;
|
|
this.temp = new dojo.Color();
|
|
};
|
|
d.extend(InterpolColor, {
|
|
getValue: function(r){
|
|
return d.blendColors(this.start, this.end, r, this.temp);
|
|
}
|
|
});
|
|
|
|
var InterpolValues = function(values){
|
|
this.values = values;
|
|
this.length = values.length;
|
|
};
|
|
d.extend(InterpolValues, {
|
|
getValue: function(r){
|
|
return this.values[Math.min(Math.floor(r * this.length), this.length - 1)];
|
|
}
|
|
});
|
|
|
|
var InterpolObject = function(values, def){
|
|
this.values = values;
|
|
this.def = def ? def : {};
|
|
};
|
|
d.extend(InterpolObject, {
|
|
getValue: function(r){
|
|
var ret = dojo.clone(this.def);
|
|
for(var i in this.values){
|
|
ret[i] = this.values[i].getValue(r);
|
|
}
|
|
return ret;
|
|
}
|
|
});
|
|
|
|
var InterpolTransform = function(stack, original){
|
|
this.stack = stack;
|
|
this.original = original;
|
|
};
|
|
d.extend(InterpolTransform, {
|
|
getValue: function(r){
|
|
var ret = [];
|
|
dojo.forEach(this.stack, function(t){
|
|
if(t instanceof m.Matrix2D){
|
|
ret.push(t);
|
|
return;
|
|
}
|
|
if(t.name == "original" && this.original){
|
|
ret.push(this.original);
|
|
return;
|
|
}
|
|
if(!(t.name in m)){ return; }
|
|
var f = m[t.name];
|
|
if(typeof f != "function"){
|
|
// constant
|
|
ret.push(f);
|
|
return;
|
|
}
|
|
var val = dojo.map(t.start, function(v, i){
|
|
return (t.end[i] - v) * r + v;
|
|
}),
|
|
matrix = f.apply(m, val);
|
|
if(matrix instanceof m.Matrix2D){
|
|
ret.push(matrix);
|
|
}
|
|
}, this);
|
|
return ret;
|
|
}
|
|
});
|
|
|
|
var transparent = new d.Color(0, 0, 0, 0);
|
|
|
|
var getColorInterpol = function(prop, obj, name, def){
|
|
if(prop.values){
|
|
return new InterpolValues(prop.values);
|
|
}
|
|
var value, start, end;
|
|
if(prop.start){
|
|
start = g.normalizeColor(prop.start);
|
|
}else{
|
|
start = value = obj ? (name ? obj[name] : obj) : def;
|
|
}
|
|
if(prop.end){
|
|
end = g.normalizeColor(prop.end);
|
|
}else{
|
|
if(!value){
|
|
value = obj ? (name ? obj[name] : obj) : def;
|
|
}
|
|
end = value;
|
|
}
|
|
return new InterpolColor(start, end);
|
|
};
|
|
|
|
var getNumberInterpol = function(prop, obj, name, def){
|
|
if(prop.values){
|
|
return new InterpolValues(prop.values);
|
|
}
|
|
var value, start, end;
|
|
if(prop.start){
|
|
start = prop.start;
|
|
}else{
|
|
start = value = obj ? obj[name] : def;
|
|
}
|
|
if(prop.end){
|
|
end = prop.end;
|
|
}else{
|
|
if(typeof value != "number"){
|
|
value = obj ? obj[name] : def;
|
|
}
|
|
end = value;
|
|
}
|
|
return new InterpolNumber(start, end);
|
|
};
|
|
|
|
g.fx.animateStroke = function(/*Object*/ args){
|
|
// summary:
|
|
// Returns an animation which will change stroke properties over time
|
|
// example:
|
|
// | dojox.gfx.fx.animateStroke{{
|
|
// | shape: shape,
|
|
// | duration: 500,
|
|
// | color: {start: "red", end: "green"},
|
|
// | width: {end: 15},
|
|
// | join: {values: ["miter", "bevel", "round"]}
|
|
// | }).play();
|
|
if(!args.easing){ args.easing = d._defaultEasing; }
|
|
var anim = new d._Animation(args), shape = args.shape, stroke;
|
|
d.connect(anim, "beforeBegin", anim, function(){
|
|
stroke = shape.getStroke();
|
|
var prop = args.color, values = {}, value, start, end;
|
|
if(prop){
|
|
values.color = getColorInterpol(prop, stroke, "color", transparent);
|
|
}
|
|
prop = args.style;
|
|
if(prop && prop.values){
|
|
values.style = new InterpolValues(prop.values);
|
|
}
|
|
prop = args.width;
|
|
if(prop){
|
|
values.width = getNumberInterpol(prop, stroke, "width", 1);
|
|
}
|
|
prop = args.cap;
|
|
if(prop && prop.values){
|
|
values.cap = new InterpolValues(prop.values);
|
|
}
|
|
prop = args.join;
|
|
if(prop){
|
|
if(prop.values){
|
|
values.join = new InterpolValues(prop.values);
|
|
}else{
|
|
start = prop.start ? prop.start : (stroke && stroke.join || 0);
|
|
end = prop.end ? prop.end : (stroke && stroke.join || 0);
|
|
if(typeof start == "number" && typeof end == "number"){
|
|
values.join = new InterpolNumber(start, end);
|
|
}
|
|
}
|
|
}
|
|
this.curve = new InterpolObject(values, stroke);
|
|
});
|
|
d.connect(anim, "onAnimate", shape, "setStroke");
|
|
return anim; // dojo._Animation
|
|
};
|
|
|
|
g.fx.animateFill = function(/*Object*/ args){
|
|
// summary:
|
|
// Returns an animation which will change fill color over time.
|
|
// Only solid fill color is supported at the moment
|
|
// example:
|
|
// | dojox.gfx.fx.animateFill{{
|
|
// | shape: shape,
|
|
// | duration: 500,
|
|
// | color: {start: "red", end: "green"}
|
|
// | }).play();
|
|
if(!args.easing){ args.easing = d._defaultEasing; }
|
|
var anim = new d._Animation(args), shape = args.shape, fill;
|
|
d.connect(anim, "beforeBegin", anim, function(){
|
|
fill = shape.getFill();
|
|
var prop = args.color, values = {};
|
|
if(prop){
|
|
this.curve = getColorInterpol(prop, fill, "", transparent);
|
|
}
|
|
});
|
|
d.connect(anim, "onAnimate", shape, "setFill");
|
|
return anim; // dojo._Animation
|
|
};
|
|
|
|
g.fx.animateFont = function(/*Object*/ args){
|
|
// summary:
|
|
// Returns an animation which will change font properties over time
|
|
// example:
|
|
// | dojox.gfx.fx.animateFont{{
|
|
// | shape: shape,
|
|
// | duration: 500,
|
|
// | variant: {values: ["normal", "small-caps"]},
|
|
// | size: {end: 10, unit: "pt"}
|
|
// | }).play();
|
|
if(!args.easing){ args.easing = d._defaultEasing; }
|
|
var anim = new d._Animation(args), shape = args.shape, font;
|
|
d.connect(anim, "beforeBegin", anim, function(){
|
|
font = shape.getFont();
|
|
var prop = args.style, values = {}, value, start, end;
|
|
if(prop && prop.values){
|
|
values.style = new InterpolValues(prop.values);
|
|
}
|
|
prop = args.variant;
|
|
if(prop && prop.values){
|
|
values.variant = new InterpolValues(prop.values);
|
|
}
|
|
prop = args.weight;
|
|
if(prop && prop.values){
|
|
values.weight = new InterpolValues(prop.values);
|
|
}
|
|
prop = args.family;
|
|
if(prop && prop.values){
|
|
values.family = new InterpolValues(prop.values);
|
|
}
|
|
prop = args.size;
|
|
if(prop && prop.unit){
|
|
start = parseFloat(prop.start ? prop.start : (shape.font && shape.font.size || "0"));
|
|
end = parseFloat(prop.end ? prop.end : (shape.font && shape.font.size || "0"));
|
|
values.size = new InterpolUnit(start, end, prop.unit);
|
|
}
|
|
this.curve = new InterpolObject(values, font);
|
|
});
|
|
d.connect(anim, "onAnimate", shape, "setFont");
|
|
return anim; // dojo._Animation
|
|
};
|
|
|
|
g.fx.animateTransform = function(/*Object*/ args){
|
|
// summary:
|
|
// Returns an animation which will change transformation over time
|
|
// example:
|
|
// | dojox.gfx.fx.animateTransform{{
|
|
// | shape: shape,
|
|
// | duration: 500,
|
|
// | transform: [
|
|
// | {name: "translate", start: [0, 0], end: [200, 200]},
|
|
// | {name: "original"}
|
|
// | ]
|
|
// | }).play();
|
|
if(!args.easing){ args.easing = d._defaultEasing; }
|
|
var anim = new d._Animation(args), shape = args.shape, original;
|
|
d.connect(anim, "beforeBegin", anim, function(){
|
|
original = shape.getTransform();
|
|
this.curve = new InterpolTransform(args.transform, original);
|
|
});
|
|
d.connect(anim, "onAnimate", shape, "setTransform");
|
|
return anim; // dojo._Animation
|
|
};
|
|
})();
|