| Commit message (Collapse) | Author | Age | Files | Lines |
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When running a windows memento, 32bit build of:
gpcl6 -dNOPAUSE -dBATCH -sDEVICE=ppmraw -dMaxBitmap=1000 -r300
-o gpcl6.out ../tests_private/pcl/pcl5cats/*.BIN
we'd see leaks from pl_bitmap_build_char. I could not reproduce
these when running individual files.
A desk-check of the code spotted that penum would not be freed if
a particular error path was taken. Fixing that (as here), removes
the leaks.
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Also remove pl_begin_image2/pl_image_data2/pl_end_image2 etc
functions - might as well just call direct. This leaves pldraw.c and
pldraw.h empty, so remove them.
Also, take the opportunity to fix some potential cleanup problems.
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Previously PCL stored the character code when encoding and returned it
upon decode. This was only implemented properly for TrueType fonts,
ie. Intellifont or bitmap fonts did not set the character which
resulted in an unitialized read. Ostensibly (for PCL/XL) high level
devices pass the character back upon decode, so it is only necessary
to return the passed in value and we can dispense with storing the
last character.
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Now we properly "include what we use" let's sanitise the horrid
blah_DEFINED ifdeffery (i.e. kill it where possible).
Also, we update the .c dependencies in the base/psi makefiles to
be correct.
Unfortunately, this new correct set of dependencies causes nmake
to soil itself and die with an out of memory error. After much
experimentation, I've come to the conclusion that this is because
it copes poorly with given the same file as a dependency multiple
times.
Sadly, our style of declaring dependencies in the following style:
foo_h=$(BLAH)/foo.h $(std_h)
bar_h=$(BLAH)/bar.h $(foo_h) $(std_h)
baz_h=$(BLAH)/baz.h $(foo_h) $(std_h)
means that a .obj file that depends on $(foo_h) $(bar_h) and $(baz_h)
ends up depending on foo.h twice, and std.h three times.
I have therefore changed the style of dependencies used to be more
standard.
We still define:
foo_h=$(BLAH)/foo.h
so each .obj file rule can depend on $(foo_h) etc as required, but the
dependencies between each .h file are expressed in normal rules at the
end of the file in a dedicated "# Dependencies" section that we can now
autogenerate.
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Run a release build on a linux machine to make arch.h etc. Then
run toolbin/headercompile.pl to test compiling each headerfile
by itself.
Resolve all the missing #includes, add missing repeated include
guards and copyright statements.
Also, update all the header dependencies in the makefiles.
It is possible that the object dependencies in the makefiles can be
simplified now, but that's a task for another day.
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Propagate error code by checking for return code from access function call.
Prevent SEGV during pcl_text by checking if a font file is loaded before
trying to use a font.
Error created using :-
MEMENTO_FAILAT=19130 ./membin/gpcl6 -sDEVICE=pbmraw -dMaxBitmap=2000 -o /dev/null ./tests_private/pcl/pcl5cfts/fts.0210
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Prevent numerous SEGV points by ensuring error codes are returned and
handled appropriately.
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Also update copyright dates.
Remove gs_cmdl.ps as we no longer use it, and remove its entry from
psfiles.htm.
Remove xfonts.htm as this feature (xfont support) is long, long gone.
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Add bounds checking to pl_tt_string_proc to prevent a buffer overrun if
the incoming offset value is greater than the header size.
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For downloaded fonts, there were several buffer overreads reported by valgrind
when interpreting Intellifont glyph descriptions.
This adds using the (already existing) length field to bounds check when we
interpret the glyph.
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Change how gstate initialisation is done:
Previously we relied on the imager state being a subset of the gstate (thus
assigning an imager state to a graphics state over wrote to the entries
common to both, and didn't overwrite any already set graphics state specific
entries).
Making the imager and graphics states the same means that approach doesn't work,
so this changes it to initialise the entries individually.
Renames gsistate.c->gsgstate.c and gxistate.h->gxgstate.h
Cleanup and fix the gs_state gc stuff.
Uses different check for pre/post clist pdf14 device
Previously, the code used "is_gstate" in the imager/graphics state object
to determine if the code was being called pre or post clist (post clist would
only ever have had an imager_state so is_gstate = false).
With no imager state any more, that test would no longer work (and I am dubious
about whether it was really safe, anyway). Other places check for the presence
of a clist reader device in the pdf14 device structure - so use that here
too.
Adds initial (NULL) value for show_gstate pointer in gs_state.
Removes the now pointless macro for the contents of the graphics state
Changes function names that had "imager" to use "gstate"
Removes the redundant 'is_state' flag
Cleans up gs_(g)state_putdeviceparams():
Previously we had to similar routines: one took a graphics state, and used the
device from the graphics state, the other took an imager state and the device
as an explicit parameter.
With the removal of the imager state, "merge" those two functions
Replaces gs_state with gs_gstate
It makes for less confusion as it really is a g(raphics)state
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These were legacy remnants. Replace their remaining uses with the upper case,
non-deprecated equivalents.
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Most of the ARCH_* macros had lower case equivalents for "backwards
compatibility" - it's been long enough.....
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Squash the warnings seen when building a debug PCL build on MSVC 2005.
Mostly addition of simple casts.
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Specifically, metrics for Format 1 Class 2 glyph data.
Several PCL/PXL files show differences, most are not really visible without
pixel level comparisons, a very few are (mostly subtle) progressions.
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Squashed into one commit (see branch for details of the evolution of the
branch).
This brings gpcl6 and gxps into the Ghostscript build system, and a shared
set of graphics library object files for all the interpreters.
Also, brings the same configuration options to the pcl and xps products as we
have for Ghostscript.
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