GitHub - HumbleSoftware/js-imagediff: JavaScript / Canvas based image diff utility with Jasmine matchers for testing canvas.
js-imagediff JavaScript / Canvas based imagediff utility. API createCanvas() create a new Canvas element. createImageData(width, height) create a new ImageData object. isImage(object) tests for Image object. isCanvas(object) tests for Canvas object. isContext(object) tests for CanvasRenderingContext2D object. isImageData(object) tests for ImageData object. isImageType(object) tests for any of the
How to develop a HTML5 Image Uploader ✩ Mozilla Hacks – the Web developer blog
HTML5 comes with a set of really awesome APIs. If you combine these APIs with the <canvas> element, you could create a super/modern/awesome Image Uploader. This article shows you how. All these tips work well in Firefox 4. I also describe some alternative ways to make sure it works on Webkit-based browsers. Most of these APIs don’t work in IE, but it’s quite easy to use a normal form as a fallback
JavaScript で、画像本来のサイズ(幅, 高さ)を取得する方法 - latest log
Opera で DOM Mutation Event を使用するコードを追記しました。 まとめを追加しました。 Opera パート2に取得できないケースが見つかったため、パート3 を追加しました。 rhino.jpg(幅:300px, 高さ:227px) を、 <img id="rhino" src="rhino.jpg" width="100" height="75" /> と、100 x 75 で表示している場合を例に、画像本来のサイズを取得する方法をご紹介します。 Firefox, Safari, Google Chrome なら image.naturalWidth と image.naturalHeight を利用します。 image.naturalWidth と image.naturalHeight の初期値は 0 です。画像の読み込みが完了した時点で適切な値に更新されます。
Ajaxload - Ajax loading gif generator
Indicator type : Background color : # Transparent background Foreground color : # Create easily your own ajax loader icon : Select the type of indicator you want Enter the background code color you want (tick "Transparent background" if you don't want one Enter the foreground code color you want Press "Generate it"
HTML Media Capture
The HTML Media Capture specification defines an HTML form extension that facilitates user access to a device's media capture mechanism, such as a camera, or microphone, from within a file upload control. An HTML Media Capture Proposed Recommendation was published on 28 November 2017, no further normative changes have been made since then. Errata for this document are recorded as issues. The implem
Chicago Web Design Studio - Blueprint Studio
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Image editing in the browser