In recent years, JavaScript has become one of the most popular programming languages, and it is frequently used for developing online applications and dynamic user interfaces. The ability to change ...

In the early part of this book the emphasis was on creating graphics by drawing on the canvas. By contrast the latter part of the book is about loading graphics files into the canvas. Why would you ...

To obtain pixel information at specific coordinates on a Canvas, similar to the "eyedropper tool" found in image editing software, you can combine the getImageData method with mouse events. This ...

One of the operations that low-level APIs tend to give you that higher level graphics systems tend to ignore is the bitblt - bit-block operation (pronounced bit-blit). This is essentially a low-level ...

ImageManipulation is a simple Javascript library (without dependencies) that can be used to manipulate images in certain ways by replacing them with canvas elements and manipulating their direct ...

This is a simple JavaScript application that masks images using an alpha mask. An alpha mask is a transparency map that can be used to hide a specific region of images or highlight a specific region.