https://github.com/uliwitness/xdraw

An old HyperCard native code plugin (XCMD) for doing all sorts of drawing commands in HyperCard, quickly, and even with color.
https://github.com/uliwitness/xdraw

hypercard retrocomputing xcmd

Last synced: 29 days ago
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An old HyperCard native code plugin (XCMD) for doing all sorts of drawing commands in HyperCard, quickly, and even with color.

• Host: GitHub
• URL: https://github.com/uliwitness/xdraw
• Owner: uliwitness
• Created: 2022-09-19T19:05:07.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2022-09-19T19:25:10.000Z (over 2 years ago)
• Last Synced: 2024-10-15T07:07:26.295Z (2 months ago)
• Topics: hypercard, retrocomputing, xcmd
• Language: C
• Homepage:
• Size: 161 KB
• Stars: 4
• Watchers: 3
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# xDraw

An old HyperCard native code plugin (XCMD) for doing all sorts of drawing commands in HyperCard, quickly, and even with color.

## Anything special?

XCMDClass.c/.h includes, among other things, implementations of two undocumented HyperCard XCMD callbacks in MyGetMaskAndData and MyChangedMaskAndData, which allow an XCMD to read/change the pixels of the current card's graphics.

## What is included?

This contains the CompileIt source code for xDraw 1, the C source code for xDraw 2, as well as the test stack used during development.

The CheapVersionControl.sit file contains a StuffIt-compressed HyperCard stack that can be used to convert these files from a GitHub-friendly format (Unicode text, Unix line endings, resource fork-only files moved into the data fork, dual-fork files compressed with StuffIt) back into the original Mac format you'd need to run this on an actual Mac or emulator.

## Any warranties?

No. This outdated code is supplied for educational purposes only.