You have to use an external library for this purpose. The "built-in" functions of C++ are limited by design (to make it portable to any system easily).
A good library for image manipulation is OpenCV (which is only Mac / Linux, as far as I know, EDIT: apparently they have Windows support now, this must be pretty new). Other options include FreeImage which is more minimal (load / save various image formats, and that's pretty much it). Also, most GUI libraries (Win32, MFC, Qt, WxWidget, GTK, etc.) include a number of basic image loading / saving capabilities, and some "canvas" system to draw and modify images.
Hi I'm having a problem implementing a mini shopping cart drop down in the header to show the user all the products they have in their shopping cart. It seems the only solution for this is Ajax, and I've looked all over and can't find anything that I could possibly ...
Help! I want to create a java program that finds the highest even integer among the values entered by the user. Stop asking values when a value less than 1 have been entered. If no even integer is entered, display "No Even Integer"