yetangitu/canvas-based-HTML5-Comic-Book-Reader
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fixed bug with saving applied enhancements

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This commit is contained in:
Bala Clark 2010-07-17 09:46:14 +00:00
parent 9c8bc6ee6c
commit fb35110066
1 changed files with 8 additions and 3 deletions
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9
lib/ComicBook.js
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@ -267,7 +267,7 @@ function ComicBook(id, srcs, opts) {
if (options.displayMode === "double" && typeof page2 === "object") { context.drawImage(page2, page_width + offsetW, offsetH, page_width, page_height); } if (options.displayMode === "double" && typeof page2 === "object") { context.drawImage(page2, page_width + offsetW, offsetH, page_width, page_height); }
// apply any image enhancements previously defined // apply any image enhancements previously defined
$.each(options.enhance, function(action, options){ $.each(options.enhance, function(action, options) {
ComicBook.prototype.enhance[action](options); ComicBook.prototype.enhance[action](options);
}); });
}; };
@ -340,7 +340,7 @@ function ComicBook(id, srcs, opts) {
var opts = merge({ brightness: 0, contrast: 0 }, params); var opts = merge({ brightness: 0, contrast: 0 }, params);
// remember options for later // remember options for later
options.enhance.brightness = options; options.enhance.brightness = opts;
// run the enhancement // run the enhancement
Pixastic.process(canvas, "brightness", { Pixastic.process(canvas, "brightness", {
@ -356,8 +356,11 @@ function ComicBook(id, srcs, opts) {
* Force black and white * Force black and white
*/ */
desaturate: function () { desaturate: function () {
options.enhance.desaturate = {}; options.enhance.desaturate = {};
Pixastic.process(canvas, "desaturate", { average : false }); Pixastic.process(canvas, "desaturate", { average : false });
init(); init();
}, },
@ -373,6 +376,8 @@ function ComicBook(id, srcs, opts) {
var opts = merge({ amount: 0 }, params); var opts = merge({ amount: 0 }, params);
options.enhance.sharpen = opts;
Pixastic.process(canvas, "sharpen", { Pixastic.process(canvas, "sharpen", {
amount: opts.amount amount: opts.amount
}); });