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d813b5da
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2017-09-25T08:04:09
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Extend Adobe interpreter (seac).
This concludes the changes needed to add Type 1 support.
* src/psaux/psintrp.c: Update includes.
(cf2_interpT2CharString) <cf2_escSEAC>: Implement this similarly to
implied seac for CFF.
* src/psaux/t1decode.c (t1_lookup_glyph_by_stdcharcode_ps): New
function to look up the glyph index.
* src/psaux/psft.c (cf2_getT1SeacComponent,
cf2_freeT1SeacComponent): New functions to get the charstrings for
seac components.
* src/psaux/t1decode.h, src/psaux/psft.h: Update declarations.
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1e4d3dc8
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2017-09-25T07:47:10
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Extend Adobe interpreter (callsubr).
* src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdCALLSUBR>:
Type 1 mode.
* src/psaux/psft.c (cf2_initLocalRegionBuffer): Add Type 1 mode.
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4b58c518
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2017-09-25T07:44:56
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Extend Adobe interpreter (div, four-byte numbers).
* src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_escDIV>: Add
Type 1 mode. Type 1 requires large integers to be followed by
`div'; cf. `Adobe Type 1 Font Format', section 6.2.
<op == 255>: Push Type 1 four-byte numbers as `Int' always. This is
to ensure `div' and `callsubr' get values they can use.
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d55a701d
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2017-09-25T07:59:41
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Extend Adobe interpreter (flex in callothersubr).
* src/psaux/psintrp.c (cf2_interpT2CharString)
<cf2_escCALLOTHERSUBR>: Fix Flex feature handling (OtherSubrs 0, 1,
2).
<cf2_cmdRMOVETO>: Do not actually move the `glyphPath' while doing
flex. This is to avoid closing the current contour.
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81b86c45
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2017-09-25T07:14:18
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Extend Adobe interpreter (hstem, vstem, hstem3, vstem3).
* src/psaux/psintrp.c (cf2_interpT2CharString) <cf2_cmdHSTEM,
cf2_cmdVSTEM>: Add correction for left sidebearing in Type 1 mode.
Allow adding hints mid-charstring.
<cf2_escVSTEM3, cf2_escHSTEM3>: Translate into equivalent commands
for three normal stem hints. This requires some recalculation of
stem positions.
Correction for left sidebearing.
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e180afa9
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2017-09-25T07:11:03
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Extend Adobe interpreter (hsbw, sbw).
* src/psaux/psintrp.c (cf2_doStems): `hsbw' or `sbw' must be the
first operation in a Type 1 charstring.
(cf2_interpT2CharString): Remove unused variables.
<cf2_cmdHMOVETO, cf2_cmdVMOVETO, cf2_cmdRMOVETO>: `hsbw' or `sbw'
must be the first operation in a Type 1 charstring.
<cf2_cmdHSBW, cf2_escSBW>: Fix data access and add correction for
left sidebearing.
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0589e3c0
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2017-09-25T06:10:20
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Use the new objects.
* include/freetype/internal/psaux.h, src/psaux/psauxmod.c: Fix
switching between new and old engines.
* src/cff/cffgload.c, src/cff/cffparse.c: Update calls.
* src/psaux/psblues.c, src/psaux/psfont.c, src/psaux/psfont.h,
src/psaux/psft.c, src/psaux/psft.h, src/psaux/psintrp.c: Update all
to use new objects.
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96682559
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2017-09-25T07:54:02
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Extend Adobe interpreter (callothersubr).
* src/psaux/psintrp.c (cf2_interpT2CharString)
<cf2_escCALLOTHERSUBR>: Copy code from
`t1_decoder_parse_charstrings' (in `t1decode.c').
OtherSubr 3 (change hints) should reset the hintmask, so that the
new hints are applied.
Fix function calls and stack access.
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2f4abaec
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2017-09-25T07:04:43
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Extend Adobe interpreter (setcurrentpoint).
* src/psaux/psintrp.c (cf2_interpT2CharString)
<cf2_escSETCURRENTPT>: Fix stack access.
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4ed1b98d
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2017-09-25T07:02:53
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Extend Adobe interpreter (closepath).
* src/psaux/psintrp.c (cf2_interpT2CharString) <c2f_cmdCLOSEPATH>:
Use the right builder function. We can use the `haveWidth' boolean
already present, instead of implementing `parse_state'.
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766f529a
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2017-09-24T22:40:07
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Rename files.
Replace the `cf2' file name prefix with `ps' as the Adobe engine
will be used for both PostScript Types 1 and 2 (CFF) instead of just
CFF.
s/cf2/ps/ for all following.
* src/psaux/cf2*: Rename files.
* src/psaux/*: Update includes.
* src/psaux/Jamfile (_sources), src/psaux/rules.mk (PSAUX_DRC_SRC,
PSAUX_DRV_H): Update file references.
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77c1b331
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2017-09-25T07:50:03
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Extend Adobe interpreter (pop).
* src/psaux/psintrp.c (cf2_interpT2CharString): Change how unhandled
OtherSubr results are stored. Implement the PostScript stack using
an array.
<cf2_escPOP>: Ensure that the stack is not cleared after getting
`OtherSubr' results.
Fix stack access.
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37ed70f6
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2017-09-25T06:59:26
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Add Type 1 operations to Adobe CFF interpreter.
The following Type 1 specific ops have been added (copied from
`t1decode'):
closepath
vstem3
hstem3
seac
sbw
callothersubr
pop
setcurrentpoint
hsbw
The following require a Type 1 mode, because of differences in
specification:
hstem
vstem
vmoveto
callsubr
div
rmoveto
hmoveto
Numbers
The subsequent commits will implement these changes and adapt
accesses of data and objects to the new interpreter.
NOTE: Will not compile in the meantime!
* src/psaux/psintrp.c: Add opcodes to enum.
(cf2_interpT2CharString): Copy relevant code over from
`t1_decoder_parse_charstrings' (in `t1decode.c').
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