Hello, I am assigned with the task of cloning digg.com, I am doing quite well except one issue, I want the user to enter a link in a text field and then I want the take a screen shot of that url (like digg.com). Please help me with what libraries should I use. Thanks

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I came across [this](http://www.daniweb.com/software-development/cpp/threads/189901/screen-capture-program) program in the C++ section. How to do something similar in C? Let me elaborate. I want to read the colour values of individual pixels in at the rate of at least about 25Hz. I have a nVidia GeForce GTS450 graphic card and Windows 7 64-bit/Linux Mint 13 64-bit dual booting. I want to write a C program which would perform the said task and pass the values continuously to an Arduino through the USB. I can handle the Arduino part. But how do I get the values in the first place? I know Windows 7 …

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The End.