moved enhancement parameters into the options array, allows for easy setting on init

lib/ComicBook.js

@@ -6,6 +6,7 @@
 	Fo sho:
 		- page controls
 		- chrome frame / ExplorerCanvas
+		- show loading graphic & then fade in new page if user is ahead of the last loaded page
 	
 	Nice 2 have:
 		- remember position (use localStorage)
@@ -46,7 +47,8 @@ function ComicBook(id, srcs, opts) {
 	var defaults = {
 		displayMode: "double",	// single / double
 		zoomMode: "fitWidth",	// manual / fitWidth
-		manga: false			// true / false
+		manga: false,			// true / false
+		enhance: {}
 	};
 	
 	var options = merge(defaults, opts); // options array for internal use
@@ -61,7 +63,6 @@ function ComicBook(id, srcs, opts) {
 	var loaded = 0;		// the amount of images that have been loaded so far
 	
 	var scale = 1;		// page zoom scale, 1 = 100%
-	var enhancements = {};
 	
 	/**
 	 * Figure out the cursor position relative to the canvas.
@@ -182,8 +183,6 @@ function ComicBook(id, srcs, opts) {
 	 *
 	 * TODO: break this down into drawSinglePage() & drawDoublePage()?
 	 * TODO: if the current browser doesn't have canvas support, use img tags
-	 * 
-	 * @param applyEnhancements {boolean}
 	 */
 	ComicBook.prototype.drawPage = function() {
 		
@@ -267,7 +266,7 @@ function ComicBook(id, srcs, opts) {
 		if (options.displayMode === "double" && typeof page2 === "object") { context.drawImage(page2, page_width + offsetW, offsetH, page_width, page_height); }
 		
 		// apply any image enhancements previously defined
-		$.each(enhancements, function(action, options){
+		$.each(options.enhance, function(action, options){
 			ComicBook.prototype.enhance[action](options);
 		});
 	};
@@ -316,9 +315,9 @@ function ComicBook(id, srcs, opts) {
 		 */
 		reset: function (method) {
 			if (!method) {
-				enhancements = {};
+				options.enhance = {};
 			} else {
-				delete enhancements[method];
+				delete options.enhance[method];
 			}
 			ComicBook.prototype.drawPage();
 		},
@@ -332,15 +331,15 @@ function ComicBook(id, srcs, opts) {
 		 * 
 		 * @param {Object} options
 		 */
-		brightness: function (options, reset) {
+		brightness: function (params, reset) {
 			
 			if (reset !== false) { this.reset("brightness"); }
 			
 			// merge user options with defaults
-			var opts = merge({ brightness: 0, contrast: 0 }, options);
-			
+			var opts = merge({ brightness: 0, contrast: 0 }, params);
+				
 			// remember options for later
-			enhancements.brightness = options;
+			options.enhance.brightness = options;
 			
 			// run the enhancement
 			Pixastic.process(canvas, "brightness", {
@@ -356,7 +355,7 @@ function ComicBook(id, srcs, opts) {
 		 * Force black and white
 		 */
 		desaturate: function () {			
-			enhancements.desaturate = {};
+			options.enhance.desaturate = {};
 			Pixastic.process(canvas, "desaturate", { average : false });
 			init();
 		},
@@ -369,9 +368,9 @@ function ComicBook(id, srcs, opts) {
 		 * 
 		 * @param {Object} options 
 		 */
-		sharpen: function (options) {
+		sharpen: function (params) {
 			
-			var opts = merge({ amount: 0 }, options);
+			var opts = merge({ amount: 0 }, params);
 			
 			Pixastic.process(canvas, "sharpen", {
 				amount: opts.amount
@@ -444,7 +443,6 @@ $(document).ready(function() {
 
 	book = new ComicBook("comic", pages, options);
 	book.draw();
-	//book.enhance.brightness({ brightness: 100 })
 });
 
 $(window).resize(function() {