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