Adding alpha channels or chroma keys to JPEG images

Adding alpha channels or chroma keys to JPEG images

Author(s) and publish date By: Dave Raggett Published: 9 March 2013 Skip to 6 comments The GIF im...概要を表示 Author(s) and publish date By: Dave Raggett Published: 9 March 2013 Skip to 6 comments The GIF image format supports transparency, whilst PNG supports translucency, but neither are particularly good for photos, which compress much better with JPEG. A work around is to use the HTML5 canvas 2D context. The chroma-key.js library automatically applies alpha channels or chroma keys for all images with

• canvas
• javascript
• image
• library
• webdesign