| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an HTML file capable of performing, at a high speed, a process for converting color of a specified image with a specified characteristic on a browser for HTML5 (corresponding to canvas element). <P>SOLUTION: Algorithm adopted as a process for converting the color of a specified image with a specified characteristic and displaying it, is configured not to command a data operation of pixel unit from an HTML file to a browser; but to command, a plurality of times, a process for uniformly overwriting color data with appropriate luminance value and transparency on the whole area of a bitmap image (original image data and derived data thereof) developed on a canvas. <P>COPYRIGHT: (C)2013,JPO&INPIT |
