Digital testing chart

I need you to develop some software for me. I would like this software to be developed for Linux using C. I am currently looking for someone to write a GUI application for Linux. The application is for a digital eye testing chart, like the one you see in optometrists when you 'read letters from the top line'. You would need to supply the complete source code including commenting written in C if possible. Please see the rough project outline below:

Operating System: Raspbian stretch with Desktop V4.9

Hardware: Raspberry pi 3b

Video output via hdmi

Screen Resolution: 1920x1080

Completely offline - no wifi/bluetooth functionality

Screen resolution is key in all concepts of this program (menus/tests)

Sony ‘XMB’ style look with colour themes (set by user)

7 key tests to be created along with Snellen, Tumbling E, Numbers, Duochrome balance, Cross cylinder dots and point of fix tests, will explain in further detail if we go ahead with the order.

Need a seperate quote for an additional 40 tests to be created.

Mostly black and white tests but some colour

Need to show on screen for tests:

Name of the test

Current contrast ratio (adjustable on button press)

Acuity scale (size of text, adjustable on button press)

Letters must be able to accurately scale at button press according to algorithm

Randomize letters on button press although remove some sequences (swear words)

Randomize must never repeat (within reason)

Must be able to play multimedia from sd card

Presets can be saved to sd card and loaded on startup

Error logging

Possibility for different languages in the future - hidden from user for this build. If you think you could be up for the job or have any further questions, please feel free to ask. Thanks.

Competenze: Programmazione C, Graphic Design, Linux, Architettura Software

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Sul datore di lavoro:
( 0 valutazioni ) SUNNYBANK, Australia

ID Progetto: #17277653

21 freelance hanno fatto un'offerta media di $700 per questo lavoro


Hi! I'm interesting your project very well. I am a full time devloper. I am mastering c++ and I'm a good Mathematician. And also I have many experience and good skill about algorithm development. Let's go ahead w Più

$500 AUD in 10 giorni
(245 Recensioni)

Hello, My name is Miguel Febres and you can locate my resume and certifications in the following links: [login to view URL] [login to view URL] In my 10+ years of e Più

$588 AUD in 10 giorni
(67 Recensioni)

Hi, I have immense experience with Raspberry pi 3 programming and raspbian os. I have developed many applications using C and linux and my experience concludes to more than 5 years. I have even developed digital sig Più

$750 AUD in 10 giorni
(27 Recensioni)
$666 AUD in 10 giorni
(21 Recensioni)

hi we ready make many Raspbian GUI for Raspberry 3b , 3b+ under jessie and stretch you can check some work on our channels [login to view URL] we using raspbian lite versio Più

$750 AUD in 30 giorni
(18 Recensioni)

Hi there..... Warm Greetings We came along with your request for Digital testing chart and we reviewed your project description. We'd like to help you with confidence and satisfying results... We have professi Più

$555 AUD in 10 giorni
(34 Recensioni)

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$250 AUD in 3 giorni
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Hello Very Interested in your project I can help you with 7+ years linux gui development experience. Let's have a talk for more detail Thanks

$888 AUD in 10 giorni
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Hello, I have read your project details carefully and would like to discuss my skills and plans with you. I am an c / c++ expert and have been developing and experimenting with it for 10 years. Great things co Più

$555 AUD in 10 giorni
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Hi, Raspberry Pi pro, have done many projects on RFID, GPU, GPIO and Video. I am a multimedia expert with Audio Video encoding/decoding experience in Linux/Android Domain. Delivered several projects on RPI, You can se Più

$1333 AUD in 15 giorni
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Hello I am pleasure with your job Digital testing chart. Thanks for your job posting. I have throughout this description and think it's good fit for my skill-sets. As a senior expert on this job ,you can get a good Più

$555 AUD in 10 giorni
(12 Recensioni)

I can definitely build this for you, sadly not on that price range and also if I would do it I'll go cross-platform creating the app with React. About the UI design (similar to sony XMB) is perfectly doable, the resolu Più

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$777 AUD in 15 giorni
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Greetings, Fastest delivery being proposed here as well as top quality over this work-piece Please message me once the proposal would turn you interested. Thank you, Best Regards

$2000 AUD in 5 giorni
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$555 AUD in 10 giorni
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Hello Sir, The eye vision chart using Raspberry pi is my own product. I have already sold so many product based on this. I am having all the image to test the eye vision in the high resolution. The system is made Più

$777 AUD in 3 giorni
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hi, if i understand correctly your description, you want a digital eye examination using the raspberry pi. i can help you accomplish this project and have experience at those technologies. also i can help you making t Più

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