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Javascript canvas image edge detection + color fill

Your task is simple: write javascript functions for the following task:

- on a html webpage, load PNG image in html canvas. Every image will be a "form" (example input image is attached as [url removed, login to view])

- display the canvas to the user

- detect mouse movements over the canvas

- implement FILL function (as like fill in photoshop) and fill the region under mouse cursor, every time it moves (see attachment [url removed, login to view]). Once the mouse cursor leaves the area, revert back to original and fill new area where the mouse is. Note that this is not a simple rectangle fill provided by canvas, you need to detect edges and white color tones (with some fuzz, defined in some variable as percentage) and fill accordingly.

- on complete (after the fill is done), call custom js function with arguments: top,left,width,height (those are the top left corner of the detected region, and width/height of the region, all in pixels). This function will just [url removed, login to view]() the arguments for now.

If you complete this task properly and on time, there will be more work for more money waiting for you.

Thank you

Taidot: Javascript

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Tietoa työnantajasta:
( 67 arvostelua ) Sumperk, Czech Republic

Projektin tunnus: #9551360

Myönnetty käyttäjälle:

cobol1962

I am very expirienced developer with more than 10 years on web. Expert for jquery, ajax, javascript. Backend PHP and ASP.NET. PHP frameworks: CodeIgniter

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3 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_26% %project_currencyDetails_sign_sub_27% tähän työhön

triadb

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jameer8879

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