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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_400
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433_01
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history.cc
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1994-05-08
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REVISION HISTORY FOR SVGACC.LIB - HI-RES, 256-COLOR GRAPHICS LIB FOR MS AND
BORLAND C/C++
SVGACC20.ZIP was the inital release of the C version of our graphics library.
However, we have had several releases of the MS QuickBASIC version. Below
is the history for the QuickBASIC versions:
-----------------------------------------------------------------------------
-1.0 Initial release - June, 1993. SVGAQB10.ZIP -
- -
-1.1 Release - August, 1993. SVGAQB11.ZIP -
- bugs fixed: GIFGETINFO - not closing successful files -
- DRWLINE - not always drawing endpoints -
- DRWBOX - drawing incorrectly when X2<X1 and/or Y2<Y1 -
- Improved: FILLAREA - speed increase of about 150% -
- FILLCOLOR - speed increase of about 65% -
- Increased library's granularity -
- Additions: BYTECOPY, PALCOPY, GETMAXX, GETMAXY, GETARCCOS, GETARCSIN, -
- GETARCTAN, GETCOS, GETSIN, GETTAN -
- -
-1.2 Release - August, 1993. SVGAQB12.ZIP -
- bugs fixed: FILLAREA - not always making it to the far left -
- FILLCOLOR - not always making it to the far left -
- -
-1.2a Release - September, 1993. SVGAQB12a (registered version only) -
- bugs fixed: SPRITEPUT - had problems if spriteXloc = MAXX -
- SPRITEGAP - had problems if spriteXloc = MAXX -
- -
-2.0 Release - March, 1994. SVGAQB20.ZIP -
- Additions: BLKRESIZE, BLKROTATE, BLKROTATESIZE, DRWFILBOX, -
- DRWFILCIRCLE, DRWFILELLISPE, FILLSCREEN, FILLPAGE, -
- GIFMAKE, PAGEDISPLAY, PAGEACTIVE, RES640L, SPRITEGET, -
- SPRITECOLLDETECT, WHICHXMS, XMSALLOCATE, XMSFREE, -
- XMSGET, XMSPUT, XMSCOPY, XMSERROR -
- -
-----------------------------------------------------------------------------
2.0 Initial release - March, 1994. SVGACC20.ZIP
2.0a Release - March, 1994. SVGACC20a (registered version only)
bugs fixed: res640l,res640,res800,res1024 - Some VESA BIOSs were not
preserving the processor SI & DI registers after a video
mode change.
2.0b Release - April, 1994. SVGACC20b (registered version only)
bugs fixed: drwfillcircle - not clipping properly
drwfillellipse - not clipping properly
Improved: drwbox - speed increase of about 102%
drwcircle - speed increase of about 33%
drwellipse - speed increase of about 44%
drwline - speed increase of about 42%
drwfillbox - speed increase of about 317%
drwfillcircle - speed increase of about 248%
drwfillellipse - speed increase of about 190%
2.1 Release - May, 1994. SVGACC21.ZIP
Bugs Fixed: setcard - setup needed for pagedisplay was not completed.
Improved: drwbox - speed increase of about 8%
drwline - speed increase of about 42%
drwfillbox - speed increase of about 97%
drwfillcircle - speed increase of about 88%
drwfillellipse - speed increase of about 80%
fillview - speed increase of about 62%
Additions: res1280, fillconvexpoly