Ghostscript 7.03 change history as of 2001-10-20 23:05:20

Documentation, Procedures, Utilities, Drivers, PDF writer, PDF Interpreter, Interpreter, Streams, Library, Other

Documentation


Fixes problems:
	- Add new Windows and Unix platform files to developer
documentation. (doc/Develop.htm [1.46]: 2001/09/23 08:54:03 ghostgum)
	- Adds a -dNOCCFONTS switch to disable use of compiled-in fonts.
(doc/Use.htm [1.32]: 2001/10/01 05:25:55 lpd)
	- Added potential workaround for DCTEncode filter problem where the
image has less rows than requested. (doc/Issues.htm [1.13]: 2001/10/03
17:24:23 jackiem)
	- Fixes reference counting for PDF 1.4 device filter stack.
Temporary patch to not free PDF 1.4 marking device for images (it was being
freed prematurely). (doc/Issues.htm [1.14]: 2001/10/17 17:28:10 raph)
	- Syncs with hpijs version 0.97, and fixes a documentation bug.
(doc/Devices.htm [1.33]: 2001/10/19 04:20:08 raph)
	- Documentation and version number change in preparation for 7.03
release. (doc/API.htm [1.11], doc/Bug-form.htm [1.23],
doc/Bug-info.htm [1.20], doc/C-style.htm [1.21], doc/Commprod.htm [1.15],
doc/Copying.htm [1.13], doc/Current.htm [1.13], doc/DLL.htm [1.15],
doc/Develop.htm [1.47], doc/Devices.htm [1.34], doc/Drivers.htm [1.21],
doc/Fonts.htm [1.22], doc/Helpers.htm [1.17], doc/History1.htm [1.13],
doc/History2.htm [1.13], doc/History3.htm [1.13], doc/History4.htm [1.13],
doc/History5.htm [1.15], doc/History6.htm [1.30], doc/History7.htm [1.4],
doc/Htmstyle.htm [1.18], doc/Install.htm [1.26], doc/Issues.htm [1.15],
doc/Language.htm [1.34], doc/Lib.htm [1.14], doc/Maintain.htm [1.23],
doc/Make.htm [1.36], doc/New-user.htm [1.30], doc/News.htm [1.89],
doc/Projects.htm [1.33], doc/Ps-style.htm [1.13], doc/Ps2epsi.htm [1.15],
doc/Ps2pdf.htm [1.32], doc/Psfiles.htm [1.22], doc/README [1.12],
doc/Readme.htm [1.31], doc/Release.htm [1.40], doc/Source.htm [1.13],
doc/Tester.htm [1.14], doc/Unix-lpr.htm [1.13], doc/Use.htm [1.33],
doc/Xfonts.htm [1.13], doc/gs-vms.hlp [1.12], man/dvipdf.1 [1.10],
man/font2c.1 [1.10], man/gs.1 [1.10], man/gslp.1 [1.10], man/gsnd.1 [1.10],
man/pdf2dsc.1 [1.10], man/pdf2ps.1 [1.12], man/pdfopt.1 [1.10],
man/pf2afm.1 [1.10], man/pfbtopfa.1 [1.11], man/printafm.1 [1.10],
man/ps2ascii.1 [1.10], man/ps2epsi.1 [1.10], man/ps2pdf.1 [1.14],
man/ps2pdfwr.1 [1.13], man/ps2ps.1 [1.17], man/wftopfa.1 [1.10]: 2001/10/20
08:44:30 raph)

Procedures


Fixes problems:
	- cvs2hist no longer worked in Python 2.1 and later: the regex and
regsub modules were superseded by re, and append() no longer accepted
multiple arguments to create a tuple. The fixes are backward compatible for
all versions of Python from 1.5 on. (toolbin/cvs2hist.py [1.7]: 2001/09/23
04:45:10 lpd)
	- The previous update to make cvs2hist use Python's re module rather
than the obsolete regex and regsub modules didn't change the code to use
match objects when necessary. Finishes fixing SourceForge #462777.
(toolbin/cvs2hist.py [1.8]: 2001/09/23 20:43:16 lpd)
	- Some print statements for debugging were accidentally left in the
code. (toolbin/cvs2hist.py [1.9]: 2001/09/23 21:05:12 lpd)
	- Committing in . Modified Files: gs/src/gp_stdia.c
gs/src/openvms.mmk gs/src/ziodevs.c patches for OpenVMS (openvms.mmk [1.10]:
2001/09/24 10:47:06 joukj)
	- Fixes for stdin as a result of using callouts. Use unbuffered
read, not non-blocking read. Change gp_stdin_read to use file pointer not
handle. Remove gp_stdin_init since we don't need to set non-blocking. Change
gp_stdin.c to use fread/fwrite to be more portable. Flush redirected stdout
correctly. Added casts to fix compiler warnings in dxmain.c. Corrected
header dependencies. Fixes SourceForge bug #467787. (dvx-tail.mak [1.5],
macos-mcp.mak [1.3], openvms.mak [1.16], openvms.mmk [1.11], os2.mak [1.19],
unix-aux.mak [1.5], watc.mak [1.16], winlib.mak [1.12]: 2001/10/12 21:37:08
ghostgum)
	- Committing in . Modified Files: gs/src/openvms.mmk OpenVMS needs
target : sources ^ this space is realy needed. Otherwise MMS/MMK chokes on
it!!!! (openvms.mmk [1.12]: 2001/10/15 10:24:21 joukj)
	- When building gsx and gsc, use the GS makefile macro as the shared
library name to link against, not a hard coded gs. (unix-dll.mak [1.6]:
2001/10/17 10:11:23 ghostgum)
	- Removes cheq.ps from list of example files installed.
(unixinst.mak [1.20]: 2001/10/17 19:48:36 raph)
	- uses concrete color space of alternate color space, rather than
simply alternate color space, to determine target color space for
concretizing /All colors. Fixes regression of non-sepqxd2distiller.pdf, for
which those color spaces differed. (gscsepr.c [1.13]: 2001/10/21 06:02:21
 raph)
	- Updates icclib to version 2.0, and integrates icclib changes. In
particular, icclib now accesses Ghostscript streams through the clean
icmFile object interface, rather than previous hack. Removes remnants of
previous hack, including gs_stdio.h header file and sread() and swrite()
functions in stream.c. (lib.mak [1.53]: 2001/10/19 21:52:50 raph)
	- Documentation and version number change in preparation for 7.03
release. (version.mak [1.36]: 2001/10/20 08:44:31 raph)
	- Updates default MSVC_VERSION to 6. (msvc32.mak [1.20]: 2001/10/20
08:45:39 raph)

Utilities


Fixes problems:
	- Committing in . Modified Files: gs/src/gp_stdia.c
gs/src/openvms.mmk gs/src/ziodevs.c patches for OpenVMS (gp_stdia.c [1.2],
ziodevs.c [1.4]: 2001/09/24 10:47:06 joukj)
	- add missing file descriptor variable to stdin function of
dxmainc.c. Fixes SourceForge bug #465214. (dxmainc.c [1.3]: 2001/09/28
22:04:03 ghostgum)
	- If gtk+ GUI can't be initialised, disable display device. This
allows gsx to be used without an X display. Partial fix for SourceForge bug
#450933. (dxmain.c [1.5]: 2001/10/12 11:10:37 ghostgum)
	- Fixes for stdin as a result of using callouts. Use unbuffered
read, not non-blocking read. Change gp_stdin_read to use file pointer not
handle. Remove gp_stdin_init since we don't need to set non-blocking. Change
gp_stdin.c to use fread/fwrite to be more portable. Flush redirected stdout
correctly. Added casts to fix compiler warnings in dxmain.c. Corrected
header dependencies. Fixes SourceForge bug #467787. (dxmain.c [1.6],
dxmainc.c [1.4], gp_stdia.c [1.3], gp_stdin.c [1.2]: 2001/10/12 21:37:08
ghostgum)
	- Proposed log message: Fix: Callout implementation of %stdin,
%stdout and %stderr now correctly allocates the streams in system memory.
This avoids a crash during garbage collection seen during frequent
open/close of stderr.. Fixes SourceForge bugs #427316, #442477.
(ziodevsc.c [1.3]: 2001/10/15 21:44:42 ghostgum)
	- When using STDIO_IMPLEMENTATION=, call gp_stdin_read with a file
pointer, not a file handle. (ziodevs.c [1.5]: 2001/10/17 21:12:44 ghostgum)
	- Use unbuffered read within gtk+ handler instead of using
non-blocking read. While waiting for stdin, allow gtk main loop to block to
avoid wasting CPU. (dxmain.c [1.7]: 2001/10/20 08:22:05 ghostgum)

Drivers


Fixes problems:
	- If "distiller" image compression options were changed in the
middle of a file, the parameter list holding them might not be set back to
read mode when using them to compress an image, causing an error. Fixes
SourceForge #464938. (gdevpsdi.c [1.15]: 2001/09/25 22:00:44 lpd)
	- bmp16 and png16 devices now create 4 bit/pixel bitmaps instead of
8. bmp256 and png256 devices now use dci values which match the color
mapping functions. (gdevbmp.c [1.4], gdevpng.c [1.4]: 2001/09/28 22:06:21
ghostgum)
	- Don't omit zero length deltas when stroking so that linecap will
be produced by resulting PS or EPS file. SourceForge bug #466162.
(gdevps.c [1.19]: 2001/09/28 23:18:46 rayjj)
	- Fixes for stdin as a result of using callouts. Use unbuffered
read, not non-blocking read. Change gp_stdin_read to use file pointer not
handle. Remove gp_stdin_init since we don't need to set non-blocking. Change
gp_stdin.c to use fread/fwrite to be more portable. Flush redirected stdout
correctly. Added casts to fix compiler warnings in dxmain.c. Corrected
header dependencies. Fixes SourceForge bug #467787. (gdevsppr.c [1.5]:
2001/10/12 21:37:08 ghostgum)
	- When the display device fails to allocate memory for the bitmap,
set the memory device width and height to zero to prevent drawing on it.
Always call the display_size callback to prevent a lockup in the caller, and
if there is no memory tell the caller that the width and height are zero.
Add some casts to remove compiler warnings. Fixes SourceForge bug #430879.
(gdevdsp.c [1.5]: 2001/10/12 21:41:25 ghostgum)
	- Syncs with hpijs version 0.97, and fixes a documentation bug.
(gdevhpij.c [1.3]: 2001/10/19 04:20:07 raph)

PDF writer


Fixes problems:
	- pdfwrite didn't set the orig_matrix of standard fonts, sometimes
causing re-encoded characters to be written with a width of 0. Bug
introduced by fix for #439474, gdevpdff.c [1.19]. Fixes SourceForge #463400.
(gdevpdff.c [1.22]: 2001/10/05 05:40:41 lpd)
	- pdfwrite allowed AutoRotatePages to override DSC comments rather
than vice versa, and it interpreted "Portrait" in a DSC orientation comment
as "don't rotate" rather than as "rotate if necessary so that width <
height." Fixes SourceForge #467259, although the result is not what the
submitter wanted. (gdevpdf.c [1.38], gdevpdfp.c [1.19], gdevpdfx.h [1.34]:
2001/10/07 05:33:11 lpd)

PDF Interpreter


Fixes problems:
	- Pop the /None key in the SMask processing of the 'gs' in a PDF 1.4
document. Fixes SourceForge bug #459647 for Artifex customer Accusoft.
(lib/pdf_draw.ps [1.35]: 2001/10/05 18:25:16 rayjj)
	- Enhances -dDEBUG for encrypted PDF files to print strings after
decryption. (lib/pdf_sec.ps [1.5]: 2001/10/09 20:17:23 lpd)
	- If LastPage was greater than the number of pages in the document,
a rangecheck was generated. Instead, limit LastPage (silently) to the number
of pages in the document. If FirstPage is past end of document, issue a
warning. Also, if no pages are processed due to FirstPage > LastPage,
give a clear error message. SourceForge bug #470025.
(lib/pdf_main.ps [1.35]: 2001/10/12 07:07:54 rayjj)
	- Changing the hack in PDF font processing, which chooses character
width with encodings where the same character appears more than once. New
code takes width for character code which appears in Differences. Source
Forge bugs #444366, #468389. (lib/pdf_font.ps [1.22]: 2001/10/14 01:28:05
igorm)
	- Fix for #471414. Thanks to Leon Bottou for his excellent analysis
and fix for this problem. Ghostscript was incorrectly handling a PDF shading
dictionary in which the /Function entry contained an array of function
dictionary references. An additonal oforce was required in the array
processing loop. (lib/pdf_draw.ps [1.36]: 2001/10/16 22:20:31 dancoby)
	- Applied two patches reported in
http://www.ghostscript.com/pipermail/gs-code-review/2001-October/001255.html
by Hideyuki Suzuki / hideyuki at sat dot t dot u-tokyo dot ac dot jp.
pdf_font.ps: automatic substitution & transformation of CID-keyed fonts.
pdf_ops.ps: make spacings vertical when WMode is 1. (lib/pdf_font.ps [1.23],
lib/pdf_ops.ps [1.17]: 2001/10/19 16:42:47 masata-y)

Interpreter


Fixes problems:
	- Adds a -dNOCCFONTS switch to disable use of compiled-in fonts.
(lib/gs_ccfnt.ps [1.5], lib/gs_init.ps [1.39]: 2001/10/01 05:25:55 lpd)
	- After removing a compiled font with undefinefont, loading the font
or asking for its resourcestatus left extra information on the stack. Fixes
SourceForge #458818. (lib/gs_res.ps [1.16]: 2001/10/01 05:56:58 lpd)
	- Clean up PostScript files in examples directory to prevent
spurious bug reports caused when running more than a sigle file or running
chess.ps without cheq.ps in the current directory. Thanks to Russell Lang
for cleanup on DSC comment and structure. (examples/alphabet.ps [1.2],
examples/chess.ps [1.2], examples/colorcir.ps [1.2],
examples/doretree.ps [1.2], examples/escher.ps [1.2],
examples/golfer.ps [1.2], examples/grayalph.ps [1.2],
examples/snowflak.ps [1.2], examples/tiger.ps [1.2],
examples/vasarely.ps [1.2], examples/waterfal.ps [1.3]: 2001/10/01 21:28:25
rayjj)
	- Remove this file which was referenced from chess.ps -- now it is
included in chess.ps to prevent errors when cheq.ps could not be located.
(examples/cheq.ps [1.2]: 2001/10/01 21:33:05 rayjj)
	- When using a substitute for an unknown font, add an alias in
FontDirectory under the original requested font name.
(lib/gs_fonts.ps [1.12]: 2001/10/01 21:35:53 rayjj)
	- Undo previous 1.12 update. The PS file that exhibited the problem
was bad as was my testing against Adobe PS behaviour. Substituted fonts are
neither aliased, nor entered in the FontDirectory by Adobe PostScript. Fixes
regression bug with Genoa PS LL3 FTS test 313-01.ps.
(lib/gs_fonts.ps [1.13]: 2001/10/09 18:01:17 rayjj)
	- Fixing inaccurate coding in Type 2 font processing : when
GlobalSubrs absents, old code damages useful information in
charstring_font_refs_s::GlobalSubrs, possibly causing indeterministic error.
(zfont2.c [1.4]: 2001/10/11 17:55:32 igorm)
	- Fix : Making GlobalSubrs to be shared for all descendent fonts
within CFF CID font. 1/2 fix for Source Forge bug #468389 "rangecheck in
type2execchar" (lib/gs_cff.ps [1.10]: 2001/10/12 08:52:14 igorm)
	- Fixes for stdin as a result of using callouts. Use unbuffered
read, not non-blocking read. Change gp_stdin_read to use file pointer not
handle. Remove gp_stdin_init since we don't need to set non-blocking. Change
gp_stdin.c to use fread/fwrite to be more portable. Flush redirected stdout
correctly. Added casts to fix compiler warnings in dxmain.c. Corrected
header dependencies. Fixes SourceForge bug #467787. (dpmain.c [1.5],
dwmainc.c [1.8], idebug.c [1.4], igc.c [1.5], imain.c [1.19]: 2001/10/12
21:37:08 ghostgum)
	- Documentation and version number change in preparation for 7.03
release. (lib/gs_init.ps [1.40]: 2001/10/20 08:44:31 raph)

Streams


Fixes problems:
	- Updates icclib to version 2.0, and integrates icclib changes. In
particular, icclib now accesses Ghostscript streams through the clean
icmFile object interface, rather than previous hack. Removes remnants of
previous hack, including gs_stdio.h header file and sread() and swrite()
functions in stream.c. (stream.c [1.15]: 2001/10/19 21:52:50 raph)

Library


Fixes problems:
	- Fixes nontermination of triangle subdivision in shading, as
triggered by FTS 446-01.ps. The criterion for whether a triangle spans more
than one pixel was too conservative, as it took the fill adjust into
account. (gxshade4.c [1.6]: 2001/10/01 21:16:47 raph)
	- Correct inverted Decode cases of ImageType 4 color range masks for
the Monochrome single bit per pixel case. Fixes SourceForge bug #462319 for
Artifex customer #671. (gxifast.c [1.4]: 2001/10/06 03:27:57 rayjj)
	- Fix : More error tolerance in type2 charstring interpreter. 2/2
fix for Source Forge bug #468389 "rangecheck in type2execchar". Thanks to L.
Peter Deutsch for participation and for the comment in code.
(gstype2.c [1.10]: 2001/10/12 08:55:24 igorm)
	- Fixes for stdin as a result of using callouts. Use unbuffered
read, not non-blocking read. Change gp_stdin_read to use file pointer not
handle. Remove gp_stdin_init since we don't need to set non-blocking. Change
gp_stdin.c to use fread/fwrite to be more portable. Flush redirected stdout
correctly. Added casts to fix compiler warnings in dxmain.c. Corrected
header dependencies. Fixes SourceForge bug #467787. (gp.h [1.8],
gxclutil.c [1.5], unistd_.h [1.4]: 2001/10/12 21:37:08 ghostgum)
	- Fixes reference counting for PDF 1.4 device filter stack.
Temporary patch to not free PDF 1.4 marking device for images (it was being
freed prematurely). (gdevp14.c [1.4], gsdfilt.c [1.3]: 2001/10/17 17:28:10
raph)
	- Updates icclib to version 2.0, and integrates icclib changes. In
particular, icclib now accesses Ghostscript streams through the clean
icmFile object interface, rather than previous hack. Removes remnants of
previous hack, including gs_stdio.h header file and sread() and swrite()
functions in stream.c. (gsicc.c [1.5], gsicc.h [1.3]: 2001/10/19 21:52:50
raph)
	- Documentation and version number change in preparation for 7.03
release. (gscdef.c [1.15]: 2001/10/20 08:44:31 raph)

Other


Fixes problems:
	- Updates icclib to version 2.0, and integrates icclib changes. In
particular, icclib now accesses Ghostscript streams through the clean
icmFile object interface, rather than previous hack. Removes remnants of
previous hack, including gs_stdio.h header file and sread() and swrite()
functions in stream.c. (gs_stdio.h [1.3], icclib/Licence.txt [1.1],
icclib/NOTES [1.2], icclib/Readme.txt [1.1], icclib/icc.c [1.6],
icclib/icc.h [1.4], icclib/icc9809.h [1.2]: 2001/10/19 21:52:50 raph)