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NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM CONTAINING HTML FILE, FILE CONVERSION METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM CONTAINING FILE CONVERSION PROGRAM
NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM CONTAINING HTML FILE, FILE CONVERSION METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM CONTAINING FILE CONVERSION PROGRAM
An HTML file for making a browser adapted to a canvas element in HTML5 perform a process of color conversion of a specified image with specified characteristics and display the converted image at high speed. In the process of carrying out color conversion of the specified image with specified characteristics and displaying the converted image, an algorithm is employed such that data manipulation on a pixel-by-pixel basis is not instructed from the HTML file to the browser, but instead a plurality of instructions are given to overwrite an entire area of a bitmap image as original image data, and data derived therefrom are expanded onto a canvas uniformly with color of an appropriate brightness value and transparency.
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