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SCN.007.FracApp
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1989-04-23
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2KB
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38 lines
Macintosh
Sample Code Notes
_____________________________________________________________________________
Developer Technical Support
#7: FracApp
Written by: Bo3b Johnson
Versions: 1.00 August 1988
Components: MFracApp.p August 1, 1988
UFracApp.p August 1, 1988
UFracApp.inc1.p August 1, 1988
FracApp.r August 1, 1988
FracApp.make August 1, 1988
_____________________________________________________________________________
This program requires MPW 2.0.2 and MacApp 1.1.1 to build.
_____________________________________________________________________________
This is the ╥commercial quality╙ version of FracApp. This version
handles multiple documents, and it supports color table animation
using an off-screen gDevice with a port. The updates to the
screen using _CopyBits are as fast as possible. FracApp does not
use the Palette Manager, except to provide for the system palette,
or color modes with less than 255 colors. For the color table
animation, it uses the Color Manager and handles the colors
itself. Strict compatibility was relaxed to allow for a higher
performance program. This is the most ╥real╙ of the FracApp
programs.
As color on the Macintosh evolves, we hope that future versions of
this program will be able to use the Palette Manager and maintain
the level of performance. To achieve this, we will have to attain
better QuickDraw (i.e., _CopyBits) and Palette Manager
integration.