Planet Chili

Both take you to the same result but the logical && is the one you would prefer to use. When having expr1 & expr2 the compiler evaluates the first expression than the second and finally puts the & sign and gives you the result. When using the logical && if expr1 is a "false" one, than expr2 does not...

He includes d3d9.h in the D3DGraphics header so it would be DirectX 9.

Ill try to give you an advice on your code and coding style. First of all you should follow some naming conventions. http://en.wikipedia.org/wiki/Naming_conventions_(programming)#C_and_C.2B.2B It is a bit hard to read a code where class names and instances are both mixed lower and upper case. One ot...

Imagine you have screen width of 10 pixels and screen height of 5 pixels. So you have an array pSysBuffer[50] 0 1 2 3 4 5 6 7 8 9 * * * * * * * * * * 0 * * * * * * * * * * 1 * * * * * * * * * * 2 * * * * * * * * * * 3 * * * 0 * * * * * * 4 Now you want to draw pixel on the position marked with 0, wh...

I dont think you have to touch the loadbmp function. It just loads the whole bmp pixel data into a surface(array of pixeldata). So after that when you call the draw method it should draw only a specific portion of that surface.