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Start-to-Finish Visual Basic 2005: Learn Visual Basic 2005 as You Design and Develop a Complete Application by Tim Patrick

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Chapter 17. GDI+

A picture is worth a thousand words—or several thousand lines of source code, if you’re generating a bitmap image of it. Writing code to manipulate images of varying color depths, or to trace out multi-layer vector art, can be a nightmare of geometric contortions and linear algebra. It makes one yearn for those days of pre-screen computers. The first programming class I took used a DECWriter, a printer-based terminal that had no screen, and included the graphics capabilities of a jellyfish. It was perfect for me. I couldn’t draw a straight line anyway, and I didn’t need some fancy schmancy “video display terminal” reminding me of it.

The graphics included in early display systems weren’t much better. “Dumb terminals,” like the ...

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