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Jeff Epler c34b6f757f Implement gifio.GifWriter 
This involves:
 * Adding a new "L8" colorspace for colorconverters
 * factoring out displayio_colorconverter_convert_pixel
 * Making a minimal "colorspace only" version of displayio for the
   unix port (testing purposes)
 * fixing an error message

I only tested writing B&W animated images, with the following script:
```python
import displayio
import gifio

with gifio.GifWriter("foo.gif", 64, 64, displayio.Colorspace.L8) as g:
    for i in range(0, 256, 14):
        data = bytes([i, 255-i] * 32 + [255-i, i] * 32) * 32
        print("add_frame")
        g.add_frame(data)

# expected to raise an error, buffer is not big enough
with gifio.GifWriter("/dev/null", 64, 64, displayio.Colorspace.L8) as g:
    g.add_frame(bytes([3,3,3]))
```
2021-10-26 08:54:18 -05:00
..
argcheck.c
Implement gifio.GifWriter
2021-10-26 08:54:18 -05:00
asmarm.c
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
asmarm.h
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
asmbase.c
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
asmbase.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
asmthumb.c
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
asmthumb.h
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
asmx64.c
py/asmx64: Support use of top 8 regs in src_r64 argument.
2021-05-20 23:43:25 +10:00
asmx64.h
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
asmx86.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
asmx86.h
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
asmxtensa.c
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
asmxtensa.h
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
bc0.h
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
bc.c
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
bc.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
binary.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
binary.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
builtin.h
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
builtinevex.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
builtinhelp.c
Update help() to have circuitpython.org
2021-10-21 18:07:07 -04:00
builtinimport.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
circuitpy_defns.mk
Implement gifio.GifWriter
2021-10-26 08:54:18 -05:00
circuitpy_mpconfig.h
core: Enable new performance optimizations
2021-10-15 10:39:47 -05:00
circuitpy_mpconfig.mk
Implement gifio.GifWriter
2021-10-26 08:54:18 -05:00
compile.c
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
compile.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
dynruntime.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
dynruntime.mk
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
emit.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
emitbc.c
Merge MicroPython v1.15 into CircuitPython
2021-05-12 17:51:42 -07:00
emitcommon.c
Merge MicroPython 1.10 into CircuitPython
2021-04-21 15:59:17 -07:00
emitglue.c
fix compile error on boards with inline asm
2021-06-18 16:59:48 -05:00
emitglue.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
emitinlinethumb.c
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
emitinlinextensa.c
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
emitnarm.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnative.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
emitnthumb.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnx64.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnx86.c
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
emitnxtensa.c
py/emitnative: Add support for return/break/continue in try and with.
2018-09-04 14:31:28 +10:00
emitnxtensawin.c
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
enum.c
Fix board builds and use MP_ERROR_TEXT in py and extmod
2021-05-05 17:51:52 -07:00
enum.h
run code formatting script
2021-03-15 19:27:36 +05:30
formatfloat.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
formatfloat.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
frozenmod.c
codeformat
2021-04-19 22:22:44 -07:00
frozenmod.h
Merge MicroPython v1.11 into CircuitPython
2021-04-26 15:47:41 -07:00
gc_long_lived.c
Merge MicroPython v1.11 into CircuitPython
2021-04-26 15:47:41 -07:00
gc_long_lived.h
Introduce a long lived section of the heap.
2018-01-24 10:33:46 -08:00
gc.c
Clear the buffer byte between ATB and FTB
2021-09-14 16:24:37 -07:00
gc.h
Merge MicroPython v1.15 into CircuitPython
2021-05-12 17:51:42 -07:00
genlast.py
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
grammar.h
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
ioctl.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
lexer.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
lexer.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
makecompresseddata.py
py/makecompresseddata.py: Make compression deterministic.
2020-04-20 10:32:49 +10:00
makemoduledefs.py
codeformat: Fix handling of **
2021-04-30 15:30:13 -05:00
makeqstrdata.py
Compress word offset table
2021-08-07 09:23:35 -05:00
makeqstrdefs.py
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
makeversionhdr.py
makeversionhdr: Pick out a circuitpython-style tag
2021-10-15 10:40:04 -05:00
malloc.c
Merge MicroPython 1.10 into CircuitPython
2021-04-21 15:59:17 -07:00
map.c
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
misc.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
mkenv.mk
Always use python3
2021-10-15 15:11:21 -05:00
mkrules.cmake
py/mkrules: Automatically build mpy-cross if it doesn't exist.
2021-08-07 20:25:32 +10:00
mkrules.mk
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
modarray.c
Merge MicroPython v1.11 into CircuitPython
2021-04-26 15:47:41 -07:00
modbuiltins.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
modcmath.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
modcollections.c
run code formatting script
2021-03-15 19:27:36 +05:30
modgc.c
codeformat
2021-04-19 22:22:44 -07:00
modio.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
modmath.c
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
modmicropython.c
Shrink builds by defining advanced micropython API
2021-08-19 16:49:33 -07:00
modstruct.c
Fix board builds and use MP_ERROR_TEXT in py and extmod
2021-05-05 17:51:52 -07:00
modsys.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
modthread.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
moduerrno.c
Convert all modules to use MP_REGISTER_MODULE
2021-10-05 18:45:44 +05:30
mpconfig.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
mperrno.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
mphal.h
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
mpprint.c
Make %p include the 0x prefix
2021-08-29 11:36:29 -05:00
mpprint.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
mpstate.c
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
mpstate.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
mpthread.h
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
mpz.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
mpz.h
Fix format (expand tab)
2021-06-02 12:10:41 +09:00
nativeglue.c
Fix up all natmod examples
2021-05-08 20:17:16 -05:00
nativeglue.h
Fix up all natmod examples
2021-05-08 20:17:16 -05:00
nlr.c
codeformat
2021-04-19 22:22:44 -07:00
nlr.h
Merge MicroPython v1.15 into CircuitPython
2021-05-12 17:51:42 -07:00
nlraarch64.c
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
nlrpowerpc.c
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
nlrsetjmp.c
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
nlrthumb.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
nlrx64.c
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
nlrx86.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
nlrxtensa.c
codeformat
2021-04-19 22:22:44 -07:00
obj.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
obj.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objarray.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objarray.h
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
objattrtuple.c
Rename EXTENDED_FIELDS -> MP_TYPE_EXTENDED_FIELDS
2021-07-12 06:57:59 -05:00
objbool.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objboundmeth.c
Rename EXTENDED_FIELDS -> MP_TYPE_EXTENDED_FIELDS
2021-07-12 06:57:59 -05:00
objcell.c
codeformat
2021-04-19 22:22:44 -07:00
objclosure.c
Rename EXTENDED_FIELDS -> MP_TYPE_EXTENDED_FIELDS
2021-07-12 06:57:59 -05:00
objcomplex.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objdeque.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objdict.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objenumerate.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objexcept.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objexcept.h
add traceback object
2021-08-04 12:10:57 +05:30
objfilter.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objfloat.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objfun.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objfun.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
objgenerator.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objgenerator.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
objgetitemiter.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objint_longlong.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
objint_mpz.c
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
objint.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objint.h
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
objlist.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objlist.h
Separate out mp_obj_list_insert for use in display.Group
2021-02-27 21:13:55 +01:00
objmap.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objmodule.c
Don't double-list modules that MP_REGISTER_MODULE
2021-08-16 08:50:57 -05:00
objmodule.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
objnamedtuple.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objnamedtuple.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objnone.c
Rename EXTENDED_FIELDS -> MP_TYPE_EXTENDED_FIELDS
2021-07-12 06:57:59 -05:00
objobject.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objpolyiter.c
Rename EXTENDED_FIELDS -> MP_TYPE_EXTENDED_FIELDS
2021-07-12 06:57:59 -05:00
objproperty.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objproperty.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
objrange.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objreversed.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objset.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objsingleton.c
Rename EXTENDED_FIELDS -> MP_TYPE_EXTENDED_FIELDS
2021-07-12 06:57:59 -05:00
objslice.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objstr.c
str_modulo_format: Make error better match standard python
2021-10-19 10:52:14 -05:00
objstr.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objstringio.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objstringio.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
objstrunicode.c
Turn on unicode for FATFS
2021-08-17 17:41:59 -07:00
objtraceback.c
objtraceback: merge with an existing message in objtype
2021-08-23 20:23:23 -05:00
objtraceback.h
add traceback object
2021-08-04 12:10:57 +05:30
objtuple.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objtuple.h
codeformat
2021-04-19 22:22:44 -07:00
objtype.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objtype.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
objzip.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
opmethods.c
Rename mp_type_binary_op -> mp_type_get_binary_op_slot
2021-07-12 07:03:52 -05:00
pairheap.c
py/pairheap: Properly unlink node on pop and delete.
2020-03-26 01:21:04 +11:00
pairheap.h
py/pairheap: Add helper function to initialise a new node.
2020-03-26 01:21:04 +11:00
parse.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
parse.h
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
parsenum.c
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
parsenum.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
parsenumbase.c
codeformat
2021-04-19 22:22:44 -07:00
parsenumbase.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
persistentcode.c
Update comment in persistentcode.c
2021-05-23 08:57:41 +01:00
persistentcode.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
profile.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
profile.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
proto.c
Rename mp_type_protocol -> mp_type_get_protocol_slot
2021-07-12 07:04:04 -05:00
proto.h
Rename mp_type_protocol -> mp_type_get_protocol_slot
2021-07-12 07:04:04 -05:00
py.cmake
add traceback object
2021-08-04 12:10:57 +05:30
py.mk
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
pystack.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
pystack.h
codeformat
2021-04-19 22:22:44 -07:00
qstr.c
Fix mpy-cross by providing default
2021-08-31 13:38:37 -07:00
qstr.h
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
qstrdefs.h
Merge MicroPython 1.10 into CircuitPython
2021-04-21 15:59:17 -07:00
reader.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
reader.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
reload.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
reload.h
run code formatting script
2021-03-15 19:27:36 +05:30
repl.c
restore a redundant NULL-comparison, it silences compiler diagnostics
2021-06-18 11:24:39 -05:00
repl.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
ringbuf.c
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
ringbuf.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
runtime0.h
Merge MicroPython 1.12 into CircuitPython
2021-05-03 14:01:18 -07:00
runtime_utils.c
WIP: after merge; before testing
2018-07-11 16:45:30 -04:00
runtime.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
runtime.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
scheduler.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
scope.c
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
scope.h
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
sequence.c
Fix board builds and use MP_ERROR_TEXT in py and extmod
2021-05-05 17:51:52 -07:00
showbc.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
smallint.c
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
smallint.h
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
stackctrl.c
codeformat
2021-04-19 22:22:44 -07:00
stackctrl.h
Merge tag 'v1.16'
2021-06-18 10:54:19 -05:00
stream.c
Fix board builds and use MP_ERROR_TEXT in py and extmod
2021-05-05 17:51:52 -07:00
stream.h
Move mp_get_stream non-inline
2021-05-05 11:00:35 -05:00
unicode.c
Merge MicroPython 1.13 into CircuitPython
2021-05-04 18:06:33 -07:00
unicode.h
Add license to some obvious files.
2020-07-06 19:16:25 +01:00
usermod.cmake
rp2: Add support for USER_C_MODULES to CMake build system.
2021-03-31 00:26:01 +11:00
vm.c
Merge tag 'v1.17' into merge-1.17
2021-10-15 08:20:54 -05:00
vmentrytable.h
Merge MicroPython 1.14 into CircuitPython
2021-05-11 15:07:40 -07:00
vstr.c
Merge MicroPython v1.11 into CircuitPython
2021-04-26 15:47:41 -07:00
warning.c
Merge MicroPython v1.11 into CircuitPython
2021-04-26 15:47:41 -07:00