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Beginners Column
Welcome to the REALbasic Developer Magazine Beginner's Corner!
Issue: 1.4 (February/March 2003)
Author: Thomas J. Cunningham
Article Description: No description available.
Article Length (in bytes): 6,785
Starting Page Number: 28
RBD Number: 1414
Resource File(s): None
Related Link(s): None
Known Limitations: None
Excerpt of article text...
This month and next month, I will discuss the subject of drawing in REALbasic, commonly known as graphics. Now let me briefly explain what I mean by drawing. The big picture is that everything you see on a computer screen has to be drawn to the screen by your computer. This is accomplished by using the tiny little squares that comprise your computer screen. Launch REALbasic, press Command-1, type in the word "graphics," and look through the properties and methods of this class.
Pixels ' Resolution
The tiny little squares I mentioned above are called pixels. They are laid out in a grid pattern of rows and columns. The number of rows and columns shown on your computer screen are collectively referred to as your monitor's resolution. My iMac, at the moment, is set at 1024 pixels by 768 pixels. So I have 1024 pixels from left to right and 768 pixels going up and down my screen, for a total of 786,432 pixels. The physical size of my screen is about 12 inches wide by 9 inches high. So at this screen resolution, I have about 85 pixels for every inch horizontally and vertically.
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