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if the canvas element exists, call the draw method with the canvas_id as parameter, added a reset image button to undo the HSB sort

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Dominick Pham 2010-05-08 15:24:47 -04:00
parent e1ca9115ea
commit fdffdafca8
2 changed files with 26 additions and 40 deletions
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47
js/franz.js
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@ -46,7 +46,7 @@ var franz = function(franzProps) {
var that = this;
franz.util.loadEvent(function() {
document.body.appendChild(that.canvas);
that.draw();
typeof that.canvas_id !== 'undefined' ? that.draw(that.canvas_id) : that.draw();
if(typeof franzProps.callback !== "undefined" && typeof franzProps.callback === "function") franzProps.callback();
});
} else {
@ -83,7 +83,6 @@ franz.prototype = {
rgba: [],
hsb: [],
hsl: [],
origIndex: [],
extra_canvas: null,
extra_ctx: null,
@ -94,7 +93,7 @@ franz.prototype = {
this.extra_canvas = document.getElementById(different_canvas);
this.extra_ctx = this.extra_canvas.getContext('2d');
}
var working = this;
working.img = new Image();
working.img.onload = function() {
@ -108,7 +107,7 @@ franz.prototype = {
/* If you're looking for the non-<canvas> portion of this, check the associated Flash files. */
var hidden_canvas = document.getElementById("lol_hidden"),
extra_ctx = hidden_canvas.getContext('2d');
extra_ctx.drawImage(this.img, 0, 0, 33, 33);
var imageData = extra_ctx.getImageData(1, 1, 32, 32).data;
@ -141,11 +140,15 @@ franz.prototype = {
},
displayColors: function(order_array) {
console.log("displaying colors");
var docStr = "";
for(var i = 0; i < this.rgba.length; i++) {
docStr += '<div class="color_boxd" style="background-color: rgb(' + this.rgba[order_array[i]][0] + ', ' + this.rgba[order_array[i]][1] + ',' + this.rgba[order_array[i]][2] + ');"></div>';
if (typeof order_array === 'undefined'){
for(var i = 0; i < this.rgba.length; i++) {
docStr += '<div class="color_boxd" style="background-color: rgb(' + this.rgba[i][0] + ', ' + this.rgba[i][1] + ',' + this.rgba[i][2] + ');"></div>';
}
} else {
for(var i = 0; i < this.rgba.length; i++) {
docStr += '<div class="color_boxd" style="background-color: rgb(' + this.rgba[order_array[i]][0] + ', ' + this.rgba[order_array[i]][1] + ',' + this.rgba[order_array[i]][2] + ');"></div>';
}
}
document.getElementById("log_colors").innerHTML = docStr;
@ -159,14 +162,19 @@ franz.prototype = {
},
displayImg: function() {
this.resetIndex();
this.displayColors(this.origIndex);
this.displayColors();
return false;
},
displayHue: function() { this.sortArray(this.hsb,0); },
displaySat: function() { this.sortArray(this.hsb,1); },
displayBright: function() { this.sortArray(this.hsb,2); },
displayHue: function() { this.sortArray(this.hsb,0); this.displayOut(this.hsb); },
displaySat: function() { this.sortArray(this.hsb,1); this.displayOut(this.hsb);},
displayBright: function() { this.sortArray(this.hsb,2); this.displayOut(this.hsb);},
displayOut: function(array) {
var index = [];
for(var i=0;i<array.length;i++){index[i] = array[i][3];} /* rebuilding index */
this.displayColors(index);
return false;
},
/* array should be a (rgba.length)x4 2d array where position 0,1, or 2
eg: pass in hsb ==> hsb[] = [h,s,b,index][]
@ -176,11 +184,6 @@ franz.prototype = {
*/
sortArray: function(array,position) {
array.sort(function(a,b){ return a[position] - b[position]; });
var index = [];
for(var i=0;i<array.length;i++){index[i] = array[i][3];} /* rebuilding index */
this.displayColors(index);
return false;
},
/* calculates density of array data given interval and step size - both controlling data error
@ -202,14 +205,6 @@ franz.prototype = {
}
return densityArray;
},
resetIndex: function() {
/* keep track of original index so we don't have to revert back to RGB just to display output */
for(var i = 0; i < this.rgba.length; i++) {
this.origIndex[i] = i;
}
return false;
}
}