Professional GEM

Professional GEM

Part I -- Windows
	In the beginning ♦ Open sesame ♦ Cleaning up ♦ Those fat sliders ♦ Coming up next ♦ Feedback
Part II -- Windows
	Excelsior ♦ Redrawing windows ♦ Caveat emptor ♦ Into the bits ♦ A small confession ♦ Window control request ♦ Window slider messages ♦ A common bug ♦ Dept. of dirty tricks ♦ A sin of omission ♦ Coming soon
Part III -- The dialog handler
	A meaningful dialog ♦ Defining terms ♦ Bug alert! ♦ A handy trick ♦ Clean up ♦ Recap ♦ Button Button ♦ Who's got the button? ♦ Coming up next ♦ Dispell gremlins
Part IV -- Resource structure
	A maze of twisty little passages ♦ Putting it to work ♦ Letters, we get letters ♦ Straw poll! ♦ Stay tuned!
Part V -- Resource tree structures
	How GEM does it ♦ Thought experiments ♦ A treewalker of our own
Part VI -- Raster operations
	Seasons greetings ♦ Defining terms ♦ Monochrome vs. color ♦ Standard vs. device-specific format ♦ Even-word vs. fringes ♦ MFDB's ♦ Let's operate ♦ Transform form ♦ Copy raster opaque ♦ Copy raster transparent ♦ The mode parameter ♦ Replace mode ♦ Erase mode ♦ Xor mode ♦ Transparent mode ♦ Reverse transparent mode ♦ The problem of color ♦ Optimizing raster operations ♦ Avoid merged copies ♦ Move to corresponding pixels ♦ Avoid fringes ♦ Use another method ♦ Feedback results ♦ The next question ♦ Coming up soon
Part VII -- Menu structures
	Happy new year ♦ Menu basics ♦ Menu structures ♦ Using the menu ♦ Getting fancy ♦ Check please? ♦ Now you see it now you don't ♦ Lunch and dinner menus ♦ Do it yourself ♦ Make pretty ♦ That's it for now!
Part VIII -- User interfaces
	And now for something completely different! ♦ Credit where it's due ♦ Fingertips ♦ Muscles ♦ Eyes ♦ Short-term memory ♦ Chunking ♦ Think! ♦ Are we not men? ♦ Of modes and bandwidth ♦ To do is to be! ♦ Amen...
Part IX -- VDI Graphics: Lines and solids
	A bit of history ♦ The line forms on the left ♦ Solids ♦ To be continued
Appendices
Main page

Professional GEM was a series of articles by Tim Oren. The articles -- published by the ANTIC online magazine in 1985/86 -- provide a good introduction in GEM programming.