https://www.temlib.org/AtariForumWiki/index.php?action=history&feed=atom&title=Professional_GEM 2026-05-02T05:08:37Z Revision history for this page on the wiki MediaWiki 1.39.2 https://www.temlib.org/AtariForumWiki/index.php?title=Professional_GEM&diff=16342&oldid=prev 2011-10-12T14:57:36Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:57, 12 October 2011</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l2">Line 2:</td> <td colspan="2" class="diff-lineno">Line 2:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''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.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''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.</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Programming]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:GEM]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr> </table>

>Wongck https://www.temlib.org/AtariForumWiki/index.php?title=Professional_GEM&diff=16341&oldid=prev 2006-10-11T23:21:45Z

<p></p> <a href="https://www.temlib.org/AtariForumWiki/index.php?title=Professional_GEM&amp;diff=16341&amp;oldid=16340">Show changes</a>

>Rb https://www.temlib.org/AtariForumWiki/index.php?title=Professional_GEM&diff=16340&oldid=prev 2006-09-13T12:00:31Z

<p></p> <p><b>New page</b></p><div>* [[Go to Professional GEM page 01 to 06]]<br /> PART - I. Windows .................................. 1<br /> IN THE BEGINNING .................................. 1<br /> windcreate()......................................... 1<br /> windget()............................................ 1<br /> OPEN SESAME! ..................................... 3<br /> windopen()........................................... 3<br /> windget()............................................ 3<br /> windcalc()........................................... 3<br /> windset()............................................ 3<br /> CLEANING UP ...................................... 4<br /> windclose().......................................... 4<br /> winddelete()......................................... 4<br /> THOSE FAT SLIDERS ................................. 4<br /> windset()............................................ 5<br /> windset()............................................ 5<br /> windget()............................................ 5<br /> COMING UP NEXT .................................... 6<br /> FEEDBACK ........................................ 6<br /> <br /> * [[Go to Professional GEM page 07 to 15]]<br /> PART - II. Windows ................................. 7<br /> EXCELSIOR ....................................... 7<br /> REDRAWING WINDOWS ................................ 7<br /> CAVEAT EMPTOR .................................... 7<br /> INTO THE BITS ..................................... 8<br /> A SMALL CONFESSION ................................ 9<br /> WINDOW CONTROL REQUESTS ........................... 10<br /> windset()............................................ 10<br /> rcconstrain()........................................ 10<br /> align().............................................. 10<br /> windset()............................................ 12<br /> WINDOW SLIDER MESSAGES ............................ 12<br /> windset.............................................. 12<br /> A COMMON BUG ...................................... 13<br /> DEPT. OF DIRTY TRICKS .............................. 14<br /> windget()............................................ 14<br /> windset()............................................ 14<br /> A SIN OF OMISSION .................................. 15<br /> COMING SOON ...................................... 15<br /> <br /> * [[Go to Professional GEM page 16 to 23]]<br /> PART - III. THE DIALOG HANDLER ....................... 16<br /> A MEANINGFUL DIALOG ............................... 16<br /> DEFINING TERMS ................................... 16<br /> rsrcload()........................................... 17<br /> rsrcgaddr().......................................... 17<br /> BUG ALERT! ....................................... 17<br /> A HANDY TRICK ..................................... 19<br /> CLEAN UP ......................................... 20<br /> deselobj()........................................... 20<br /> RECAP ........................................... 20<br /> BUTTON BUTTON .................................... 20<br /> selobj()............................................. 21<br /> WHO'S GOT THE BUTTON? .............................. 21<br /> selobj()............................................. 22<br /> COMING UP NEXT .................................... 22<br /> DISPELL GREMLINS ................................. 23<br /> <br /> * [[Go to Professional GEM page 24 to 30]]<br /> PART - IV. Resource Structure ....................... 24<br /> A MAZE OF TWISTY LITTLE PASSAGES. .................... 24<br /> PUTTING IT TO WORK ................................. 28<br /> LETTERS WE GET LETTERS ............................. 30<br /> STRAW POLL! ...................................... 30<br /> STAY TUNED! ...................................... 30<br /> <br /> * [[Go to Professional GEM page 32 to 37]]<br /> PART - V. Resource Tree Structures ................... 32<br /> HOW GEM DOES IT. ................................... 34<br /> THOUGHT EXPERIMENTS .............................. 36<br /> A TREEWALKER OF OUR OWN ............................. 37<br /> <br /> * [[Go to Professional GEM page 39 to 48]]<br /> PART - VI. Raster operations ........................ 39<br /> SEASONS GREETINGS ................................ 39<br /> DEFINING TERMS ................................... 39<br /> MONOCHROME VS. COLOR .............................. 39<br /> STANDARD VS. DEVICE-SPECIFIC FORMAT ................ 40<br /> EVEN-WORD VS. FRINGES ............................. 41<br /> MFDB's .......................................... 41<br /> LET'S OPERATE .................................... 42<br /> TRANSFORM FORM ................................... 42<br /> vrtrnfm()............................................ 42<br /> COPY RASTER OPAQUE ................................ 43<br /> vrocpyfm()........................................... 43<br /> COPY RASTER TRANSPARENT ........................... 44<br /> vrtcpyfm()........................................... 44<br /> THE MODE PARAMETER ................................ 44<br /> REPLACE MODE ..................................... 45<br /> ERASE MODE ....................................... 45<br /> XOR MODE ......................................... 45<br /> TRANSPARENT MODE ................................. 45<br /> REVERSE TRANSPARENT MODE .......................... 45<br /> THE PROBLEM OF COLOR ............................... 45<br /> OPTIMIZING RASTER OPERATIONS ...................... 46<br /> AVOID MERGED COPIES ............................... 46<br /> MOVE TO CORRESPONDING PIXELS ....................... 46<br /> AVOID FRINGES .................................... 47<br /> USE ANOTHER METHOD ................................ 47<br /> FEEDBACK RESULTS ................................. 47<br /> THE NEXT QUESTION ................................. 47<br /> COMING UP SOON .................................... 48<br /> <br /> * [[Go to Professional GEM page 49 to 56]]<br /> PART - VII. Menu Structures ......................... 49<br /> HAPPY NEW YEAR .................................... 49<br /> MENU BASICS ...................................... 49<br /> MENU STRUCTURES .................................. 49<br /> USING THE MENU .................................... 51<br /> rsrcgaddr().......................................... 51<br /> menubar()............................................ 51<br /> menutnormal()........................................ 52<br /> GETTING FANCY .................................... 52<br /> menuienable()........................................ 52<br /> setmenu()............................................ 53<br /> CHECK PLEASE? .................................... 53<br /> menuicheck()......................................... 53<br /> NOW YOU SEE IT NOW YOU DON'T .......................... 53<br /> menutext()........................................... 54<br /> LUNCH AND DINNER MENUS ............................. 54<br /> DO IT YOURSELF .................................... 54<br /> MAKE PRETTY ...................................... 55<br /> THAT'S IT FOR NOW! ................................. 56<br /> <br /> * [[Go to Professional GEM page 57 to 66]]<br /> PART - VIII. USER INTERFACES ........................ 57<br /> AND NOW FOR SOMETHING COMPLETELY DIFFERENT! .......... 57<br /> CREDIT WHERE IT'S DUE .............................. 57<br /> FINGERTIPS ...................................... 57<br /> MUSCLES ......................................... 58<br /> EYES ............................................ 59<br /> SHORT-TERM MEMORY ................................ 60<br /> CHUNKING ........................................ 60<br /> THINK! .......................................... 61<br /> ARE WE NOT MEN? .................................... 61<br /> OF MODES AND BANDWIDTH ............................. 65<br /> TO DO IS TO BE! ..................................... 66<br /> AMEN... ......................................... 66<br /> <br /> * [[Go to Professional GEM page 68 to 76]]<br /> PART - IX. VDI Graphics: Lines and Solids .............. 68<br /> A BIT OF HISTORY ................................... 68<br /> vswrmode()........................................... 69<br /> vsclip()............................................. 69<br /> THE LINE FORMS ON THE LEFT ........................... 70<br /> vslcolor()........................................... 70<br /> vslwidth()........................................... 70<br /> vslends()............................................ 70<br /> vsltype()............................................ 70<br /> vsludsty()........................................... 71<br /> vpline()............................................. 71<br /> vrbox().............................................. 72<br /> varc()............................................... 72<br /> vellarc()............................................ 73<br /> SOLIDS .......................................... 73<br /> vsfcolor()........................................... 74<br /> vsfperimeter()....................................... 74<br /> vsfinterior()........................................ 74<br /> vsfstyle()........................................... 74<br /> vsfudpat()........................................... 75<br /> vfillarea().......................................... 75<br /> vrrecfl()............................................ 75<br /> vcircle()............................................ 76<br /> vellipse()........................................... 76<br /> vpieslice().......................................... 76<br /> vellpie()............................................ 76<br /> vrfbox()............................................. 76<br /> TO BE CONTINUED ................................... 76<br /> <br /> * [[Go to Professional GEM page 77 to 114]]<br /> APPENDICES................................................. 77<br /> Appendix - I Sample Code for Part II.................... 78<br /> Appendix - II Sample Code for Part III.................. 83<br /> Appendix - III Sample Code for Part IV.................. 88<br /> Appendix - IV Sample Code for Part V.................... 98<br /> Appendix - V Sample Code for Part VI.................... 103<br /> Appendix - VI Sample Code for Part VII.................. 108<br /> Appendix - VII Sample Code for Part IX.................. 112<br /> Appendix - VIII Sample Code for Part X.................. 114</div>

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