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Amiga Plus Special 23
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AMIGAplus Sonderheft 23 (2000)(Falke)(DE)[!].iso
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CyberGfx
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changes.txt
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1999-11-06
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Changes for 41.20
- bitmaps for intuition screens are not cleared anymore before they are
attached to the screen
- software line drawing code should now produce the same line for every
color depth
- fixed a bug in planar BltPattern() complement mode with mask
replacement which e.g. fixes the crashes with TypeSmith's glyph
filling option
- fixed bug in WriteLUTPixelArray()/cybergraphics. Format 0 now works
properly
- bumped cybergraphics.library version to 41.4
Changes for 41.19 (r70a archive)
- added support for boundary aligned CyberGraphX bitmaps (e.g. required by
Fusion)
- added new feature. If the mode you selected in ScreenMode prefs is not
available when the Workbench screen is opened, CyberGraphX tries to
find a replacement mode. If wb width and height were set to default
mode dimensions, it uses a width of 640 and height of 480 by default.
- fixed a bug in the BltBitmap()/graphics minterm 0xc0 planar->planar
code introduced in 41.18. blits with a width less than 32 did not work
when both source and dest x were on a 32 pixel boundary
- added coordinate sanity checks to CyberGraphX's graphics.library/Draw()
function since programs like VisualPrefs seem to call it with invalid
(negative) coordinates which caused memory havoc in certain cases.
ADDITIONAL NOTE: Some people reported that increasing stack size of the
initial shell fixes certain boot problems. Try to add a stack command
in the startup-sequence to check if it fixes anything.
Also, there seems to be mount related problem with certain drivers that
causes some systems to halt at boot time.
The c:mount command does enforcer hits when there is no tooltype set
for .info files in devs:dosdrivers. Unfortunately this can lead to a
total system deadlock in certain cases. The AHI audio driver for example
does not have ACTIVATE=(0|1) in its .info file and mounting it causes hits
in most cases.
Please fix it and check if booting the system works again without problems
in case of any trouble.
Changes for 41.18 (r70/PPC-CD archive)
- minor changes for the CGX AGA release
Changes for 41.17 (r69f archive)
- fixed a long outstanding bug in the display mode installation code for
OS 3.1. This bug could lead to loss of AGA/ECS mode monitor IDs when
multiple graphics cards were installed in the system.
- cgxsystem.library.ppc now falls back into 040/060 mode if ppc.library
can not be found.
- FillPixelArray()/cybergraphics does not trash register D2 anymore when
rendering to a non layered rastport
ADDITIONAL NOTE: If you experience any problems with cgxsystem.library.ppc
please try the .040 version first to check if it solves your trouble
before reporting any bugs.
Changes for 41.16 (r69e archive)
- changed behaviour of custom bitmap support code for OpenScreenTagList()/
intuition introduced in 41.15. This should fix some problems with programs
like Resource or CyberView which pass a custom bitmap to OpenScreenTagList()
- added CyberGraphX support for AllocScreenBuffer()/ChangeScreenBuffer()/
FreeScreenBuffer() intuition calls
- GetBitMapAttr(bm,BMA_FLAGS)/graphics now sets the BMF_DISPLAYABLE flag
for CyberGraphX displayable bitmaps
- fixed some problems in DrawEllipse()/graphics with overlapping pixels in
complement drawing mode
- OpenScreenTagList()/intuition cleared the SA_ErrorCode long field in some
cases although the screen was not opened properly. (-> e.g. CygnusED's
Spawn new CED option never opened a new screen but a window because it
always got an errorcode of 0)
- OpenScreenTagList()/intuition now uses the width/height parameters of the
NewScreen structure instead of ignoring it and using the default dimensions.
- The mouse pointer should not jump around anymore if someone tries to drag a
non draggable screen (if driver has dragging disabled). Fix requires latest
drivers also
- fixed an enforcer hit problem that occured in conjunction with the SysLock
utility
Changes for 41.15 (r69d archive)
- hopefully fixes the crash problems introduced in r69c
- removed some debug output in the DoCDrawMethodTags()/cybergraphics call
which was in r69c/41.14
Changes for 41.14 (r69c archive)
- There is now a special ppc version of cgxsystem.library included. Please use
that if you have a ppc accelerator card.
- flood fill algorithm replaced by a faster version which leads to faster icon
redrawing in certain cases