Can someone please write some example code to draw a bitmap to the screen in a simple window. This bitmap must be created in memory (i.e. not from a file) and allow me to write individual pixels to it. I'm trying to test the speed of gdi vs java 2d. I have some generic algorithms that i want to port to C++ but I need the above to do it.
Drop a TImage at your form.
Use the following:
MemStream = new TMemStream;
ThePicture = new Graphics::TBitmap;
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Unlike C#, C++ doesn't have native support for sealing classes (so they cannot be sub-classed). At the cost of a virtual base class pointer it is possible to implement a pseudo sealing mechanism
The trick is to virtually inherit from a base class…
Written by John Humphreys
C++ Threading and the POSIX Library
This article will cover the basic information that you need to know in order to make use of the POSIX threading library available for C and C++ on UNIX and most Linux systems.
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