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Merge branch 'main' into context_manager

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Andrew Murray 2025-06-07 11:23:43 +10:00 committed by GitHub
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31 changed files with 217 additions and 91 deletions
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2
.ci/requirements-mypy.txt
View File

@ -1,4 +1,4 @@
mypy==1.15.0
mypy==1.16.0
IceSpringPySideStubs-PyQt6
IceSpringPySideStubs-PySide6
ipython

60
.github/workflows/test-valgrind-memory.yml vendored Normal file
View File

@ -0,0 +1,60 @@
name: Test Valgrind Memory Leaks
# like the Docker tests, but running valgrind only on *.c/*.h changes.
# this is very expensive. Only run on the pull request.
on:
# push:
# branches:
# - "**"
# paths:
# - ".github/workflows/test-valgrind.yml"
# - "**.c"
# - "**.h"
pull_request:
paths:
- ".github/workflows/test-valgrind.yml"
- "**.c"
- "**.h"
- "depends/docker-test-valgrind-memory.sh"
workflow_dispatch:
permissions:
contents: read
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: true
jobs:
build:
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
docker: [
ubuntu-22.04-jammy-amd64-valgrind,
]
dockerTag: [main]
name: ${{ matrix.docker }}
steps:
- uses: actions/checkout@v4
with:
persist-credentials: false
- name: Build system information
run: python3 .github/workflows/system-info.py
- name: Docker pull
run: |
docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}
- name: Build and Run Valgrind
run: |
# The Pillow user in the docker container is UID 1001
sudo chown -R 1001 $GITHUB_WORKSPACE
docker run --name pillow_container -e "PILLOW_VALGRIND_TEST=true" -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} /Pillow/depends/docker-test-valgrind-memory.sh
sudo chown -R runner $GITHUB_WORKSPACE

5
.github/workflows/test-windows.yml vendored
View File

@ -31,16 +31,15 @@ env:
jobs:
build:
runs-on: ${{ matrix.os }}
runs-on: windows-latest
strategy:
fail-fast: false
matrix:
python-version: ["pypy3.11", "pypy3.10", "3.10", "3.11", "3.12", "3.13", "3.14"]
architecture: ["x64"]
os: ["windows-latest"]
include:
# Test the oldest Python on 32-bit
- { python-version: "3.9", architecture: "x86", os: "windows-2019" }
- { python-version: "3.9", architecture: "x86" }
timeout-minutes: 45

8
.pre-commit-config.yaml
View File

@ -1,6 +1,6 @@
repos:
- repo: https://github.com/astral-sh/ruff-pre-commit
rev: v0.11.8
rev: v0.11.12
hooks:
- id: ruff
args: [--exit-non-zero-on-fix]
@ -24,7 +24,7 @@ repos:
exclude: (Makefile$|\.bat$|\.cmake$|\.eps$|\.fits$|\.gd$|\.opt$)
- repo: https://github.com/pre-commit/mirrors-clang-format
rev: v20.1.3
rev: v20.1.5
hooks:
- id: clang-format
types: [c]
@ -58,7 +58,7 @@ repos:
- id: check-renovate
- repo: https://github.com/woodruffw/zizmor-pre-commit
rev: v1.6.0
rev: v1.9.0
hooks:
- id: zizmor
@ -68,7 +68,7 @@ repos:
- id: sphinx-lint
- repo: https://github.com/tox-dev/pyproject-fmt
rev: v2.5.1
rev: v2.6.0
hooks:
- id: pyproject-fmt

16
Makefile
View File

@ -97,13 +97,27 @@ test:
python3 -c "import pytest" > /dev/null 2>&1 || python3 -m pip install pytest
python3 -m pytest -qq
.PHONY: test-p
test-p:
python3 -c "import xdist" > /dev/null 2>&1 || python3 -m pip install pytest-xdist
python3 -m pytest -qq -n auto
.PHONY: valgrind
valgrind:
python3 -c "import pytest_valgrind" > /dev/null 2>&1 || python3 -m pip install pytest-valgrind
PYTHONMALLOC=malloc valgrind --suppressions=Tests/oss-fuzz/python.supp --leak-check=no \
PILLOW_VALGRIND_TEST=true PYTHONMALLOC=malloc valgrind --suppressions=Tests/oss-fuzz/python.supp --leak-check=no \
--log-file=/tmp/valgrind-output \
python3 -m pytest --no-memcheck -vv --valgrind --valgrind-log=/tmp/valgrind-output
.PHONY: valgrind-leak
valgrind-leak:
python3 -c "import pytest_valgrind" > /dev/null 2>&1 || python3 -m pip install pytest-valgrind
PILLOW_VALGRIND_TEST=true PYTHONMALLOC=malloc valgrind --suppressions=Tests/oss-fuzz/python.supp \
--leak-check=full --show-leak-kinds=definite --errors-for-leak-kinds=definite \
--log-file=/tmp/valgrind-output \
python3 -m pytest -vv --valgrind --valgrind-log=/tmp/valgrind-output
.PHONY: readme
readme:
python3 -c "import markdown2" > /dev/null 2>&1 || python3 -m pip install markdown2

20
Tests/oss-fuzz/python.supp
View File

@ -14,3 +14,23 @@
fun:_TIFFReadEncodedTileAndAllocBuffer
...
}
{
<python_alloc_possible_leak>
Memcheck:Leak
match-leak-kinds: all
fun:malloc
fun:_PyMem_RawMalloc
fun:PyObject_Malloc
...
}
{
<python_realloc_possible_leak>
Memcheck:Leak
match-leak-kinds: all
fun:malloc
fun:_PyMem_RawRealloc
fun:PyMem_Realloc
...
}

1
Tests/test_deprecate.py
View File

@ -47,7 +47,6 @@ def test_unknown_version() -> None:
],
)
def test_old_version(deprecated: str, plural: bool, expected: str) -> None:
expected = r""
with pytest.raises(RuntimeError, match=expected):
_deprecate.deprecate(deprecated, 1, plural=plural)

24
Tests/test_file_jpeg.py
View File

@ -133,30 +133,30 @@ class TestFileJpeg:
f = "Tests/images/pil_sample_cmyk.jpg"
with Image.open(f) as im:
# the source image has red pixels in the upper left corner.
value = im.getpixel((0, 0))
assert isinstance(value, tuple)
c, m, y, k = (x / 255.0 for x in value)
cmyk = im.getpixel((0, 0))
assert isinstance(cmyk, tuple)
c, m, y, k = (x / 255.0 for x in cmyk)
assert c == 0.0
assert m > 0.8
assert y > 0.8
assert k == 0.0
# the opposite corner is black
value = im.getpixel((im.size[0] - 1, im.size[1] - 1))
assert isinstance(value, tuple)
c, m, y, k = (x / 255.0 for x in value)
cmyk = im.getpixel((im.size[0] - 1, im.size[1] - 1))
assert isinstance(cmyk, tuple)
k = cmyk[3] / 255.0
assert k > 0.9
# roundtrip, and check again
im = self.roundtrip(im)
value = im.getpixel((0, 0))
assert isinstance(value, tuple)
c, m, y, k = (x / 255.0 for x in value)
cmyk = im.getpixel((0, 0))
assert isinstance(cmyk, tuple)
c, m, y, k = (x / 255.0 for x in cmyk)
assert c == 0.0
assert m > 0.8
assert y > 0.8
assert k == 0.0
value = im.getpixel((im.size[0] - 1, im.size[1] - 1))
assert isinstance(value, tuple)
c, m, y, k = (x / 255.0 for x in value)
cmyk = im.getpixel((im.size[0] - 1, im.size[1] - 1))
assert isinstance(cmyk, tuple)
k = cmyk[3] / 255.0
assert k > 0.9
def test_rgb(self) -> None:

11
depends/docker-test-valgrind-memory.sh Executable file
View File

@ -0,0 +1,11 @@
#!/bin/bash
## Run this as the test script in the Docker valgrind image.
## Note -- can be included directly into the Docker image,
## but requires the current python.supp.
source /vpy3/bin/activate
cd /Pillow
make clean
make install
make valgrind-leak

6
docs/installation/building-from-source.rst
View File

@ -194,9 +194,9 @@ Many of Pillow's features require external libraries:
pacman -S \
mingw-w64-x86_64-gcc \
mingw-w64-x86_64-python3 \
mingw-w64-x86_64-python3-pip \
mingw-w64-x86_64-python3-setuptools
mingw-w64-x86_64-python \
mingw-w64-x86_64-python-pip \
mingw-w64-x86_64-python-setuptools
Prerequisites are installed on **MSYS2 MinGW 64-bit** with::

16
docs/installation/platform-support.rst
View File

@ -42,15 +42,17 @@ These platforms are built and tested for every change.
| macOS 14 Sonoma | 3.10, 3.11, 3.12, 3.13, | arm64 |
| | PyPy3 | |
+----------------------------------+----------------------------+---------------------+
| Ubuntu Linux 22.04 LTS (Jammy) | 3.9, 3.10, 3.11, | x86-64 |
| Ubuntu Linux 22.04 LTS (Jammy) | 3.10 | x86-64 |
+----------------------------------+----------------------------+---------------------+
| Ubuntu Linux 24.04 LTS (Noble) | 3.9, 3.10, 3.11, | x86-64 |
| | 3.12, 3.13, PyPy3 | |
| +----------------------------+---------------------+
| | 3.12 | arm64v8, ppc64le, |
| | | s390x |
+----------------------------------+----------------------------+---------------------+
| Ubuntu Linux 24.04 LTS (Noble) | 3.12 | x86-64, arm64v8, |
| | | ppc64le, s390x |
+----------------------------------+----------------------------+---------------------+
| Windows Server 2019 | 3.9 | x86 |
+----------------------------------+----------------------------+---------------------+
| Windows Server 2022 | 3.10, 3.11, 3.12, 3.13, | x86-64 |
| Windows Server 2022 | 3.9 | x86 |
| +----------------------------+---------------------+
| | 3.10, 3.11, 3.12, 3.13, | x86-64 |
| | PyPy3 | |
| +----------------------------+---------------------+
| | 3.12 (MinGW) | x86-64 |

1
pyproject.toml
View File

@ -70,6 +70,7 @@ optional-dependencies.tests = [
"pytest",
"pytest-cov",
"pytest-timeout",
"pytest-xdist",
"trove-classifiers>=2024.10.12",
]

2
src/PIL/GifImagePlugin.py
View File

@ -360,7 +360,7 @@ class GifImageFile(ImageFile.ImageFile):
return (color, color, color)
self.dispose = None
self.dispose_extent = frame_dispose_extent
self.dispose_extent: tuple[int, int, int, int] | None = frame_dispose_extent
if self.dispose_extent and self.disposal_method >= 2:
try:
if self.disposal_method == 2:

4
src/PIL/Image.py
View File

@ -797,7 +797,9 @@ class Image:
e = _getencoder(self.mode, encoder_name, encoder_args)
e.setimage(self.im)
bufsize = max(65536, self.size[0] * 4) # see RawEncode.c
from . import ImageFile
bufsize = max(ImageFile.MAXBLOCK, self.size[0] * 4) # see RawEncode.c
output = []
while True:

6
src/PIL/MpegImagePlugin.py
View File

@ -33,11 +33,7 @@ class BitStream:
def peek(self, bits: int) -> int:
while self.bits < bits:
c = self.next()
if c < 0:
self.bits = 0
continue
self.bitbuffer = (self.bitbuffer << 8) + c
self.bitbuffer = (self.bitbuffer << 8) + self.next()
self.bits += 8
return self.bitbuffer >> (self.bits - bits) & (1 << bits) - 1

10
src/_imaging.c
View File

@ -308,9 +308,9 @@ _new_arrow(PyObject *self, PyObject *args) {
}
// ImagingBorrowArrow is responsible for retaining the array_capsule
ret =
PyImagingNew(ImagingNewArrow(mode, xsize, ysize, schema_capsule, array_capsule)
);
ret = PyImagingNew(
ImagingNewArrow(mode, xsize, ysize, schema_capsule, array_capsule)
);
if (!ret) {
return ImagingError_ValueError("Invalid Arrow array mode or size mismatch");
}
@ -1665,7 +1665,8 @@ _putdata(ImagingObject *self, PyObject *args) {
int bigendian = 0;
if (image->type == IMAGING_TYPE_SPECIAL) {
// I;16*
if (strcmp(image->mode, "I;16B") == 0
if (
strcmp(image->mode, "I;16B") == 0
#ifdef WORDS_BIGENDIAN
|| strcmp(image->mode, "I;16N") == 0
#endif
@ -2226,6 +2227,7 @@ _unsharp_mask(ImagingObject *self, PyObject *args) {
}
if (!ImagingUnsharpMask(imOut, imIn, radius, percent, threshold)) {
ImagingDelete(imOut);
return NULL;
}

2
src/_imagingft.c
View File

@ -275,6 +275,7 @@ text_layout_raqm(
if (!text || !size) {
/* return 0 and clean up, no glyphs==no size,
and raqm fails with empty strings */
PyMem_Free(text);
goto failed;
}
set_text = raqm_set_text(rq, text, size);
@ -425,6 +426,7 @@ text_layout_fallback(
"setting text direction, language or font features is not supported "
"without libraqm"
);
return 0;
}
if (PyUnicode_Check(string)) {

7
src/_webp.c
View File

@ -641,6 +641,10 @@ WebPEncode_wrapper(PyObject *self, PyObject *args) {
ImagingSectionLeave(&cookie);
WebPPictureFree(&pic);
output = writer.mem;
ret_size = writer.size;
if (!ok) {
int error_code = (&pic)->error_code;
char message[50] = "";
@ -652,10 +656,9 @@ WebPEncode_wrapper(PyObject *self, PyObject *args) {
);
}
PyErr_Format(PyExc_ValueError, "encoding error %d%s", error_code, message);
free(output);
return NULL;
}
output = writer.mem;
ret_size = writer.size;
{
/* I want to truncate the *_size items that get passed into WebP

8
src/display.c
View File

@ -327,11 +327,11 @@ PyImaging_GrabScreenWin32(PyObject *self, PyObject *args) {
// added in Windows 10 (1607)
// loaded dynamically to avoid link errors
user32 = LoadLibraryA("User32.dll");
SetThreadDpiAwarenessContext_function = (Func_SetThreadDpiAwarenessContext
)GetProcAddress(user32, "SetThreadDpiAwarenessContext");
SetThreadDpiAwarenessContext_function = (Func_SetThreadDpiAwarenessContext)
GetProcAddress(user32, "SetThreadDpiAwarenessContext");
if (SetThreadDpiAwarenessContext_function != NULL) {
GetWindowDpiAwarenessContext_function = (Func_GetWindowDpiAwarenessContext
)GetProcAddress(user32, "GetWindowDpiAwarenessContext");
GetWindowDpiAwarenessContext_function = (Func_GetWindowDpiAwarenessContext)
GetProcAddress(user32, "GetWindowDpiAwarenessContext");
if (screens == -1 && GetWindowDpiAwarenessContext_function != NULL) {
dpiAwareness = GetWindowDpiAwarenessContext_function(wnd);
}

2
src/encode.c
View File

@ -703,6 +703,8 @@ PyImaging_LibTiffEncoderNew(PyObject *self, PyObject *args) {
return NULL;
}
encoder->cleanup = ImagingLibTiffEncodeCleanup;
num_core_tags = sizeof(core_tags) / sizeof(int);
for (pos = 0; pos < tags_size; pos++) {
item = PyList_GetItemRef(tags, pos);

10
src/libImaging/Arrow.c
View File

@ -36,7 +36,10 @@ ReleaseExportedSchema(struct ArrowSchema *array) {
child->release(child);
child->release = NULL;
}
// UNDONE -- should I be releasing the children?
free(array->children[i]);
}
if (array->children) {
free(array->children);
}
// Release dictionary
@ -117,6 +120,7 @@ export_imaging_schema(Imaging im, struct ArrowSchema *schema) {
retval = export_named_type(schema->children[0], im->arrow_band_format, "pixel");
if (retval != 0) {
free(schema->children[0]);
free(schema->children);
schema->release(schema);
return retval;
}
@ -127,9 +131,7 @@ static void
release_const_array(struct ArrowArray *array) {
Imaging im = (Imaging)array->private_data;
if (array->n_children == 0) {
ImagingDelete(im);
}
ImagingDelete(im);
// Free the buffers and the buffers array
if (array->buffers) {

5
src/libImaging/Fill.c
View File

@ -118,8 +118,9 @@ ImagingFillRadialGradient(const char *mode) {
for (y = 0; y < 256; y++) {
for (x = 0; x < 256; x++) {
d = (int
)sqrt((double)((x - 128) * (x - 128) + (y - 128) * (y - 128)) * 2.0);
d = (int)sqrt(
(double)((x - 128) * (x - 128) + (y - 128) * (y - 128)) * 2.0
);
if (d >= 255) {
d = 255;
}

6
src/libImaging/Filter.c
View File

@ -155,7 +155,8 @@ ImagingFilter3x3(Imaging imOut, Imaging im, const float *kernel, float offset) {
} else {
int bigendian = 0;
if (im->type == IMAGING_TYPE_SPECIAL) {
if (strcmp(im->mode, "I;16B") == 0
if (
strcmp(im->mode, "I;16B") == 0
#ifdef WORDS_BIGENDIAN
|| strcmp(im->mode, "I;16N") == 0
#endif
@ -308,7 +309,8 @@ ImagingFilter5x5(Imaging imOut, Imaging im, const float *kernel, float offset) {
} else {
int bigendian = 0;
if (im->type == IMAGING_TYPE_SPECIAL) {
if (strcmp(im->mode, "I;16B") == 0
if (
strcmp(im->mode, "I;16B") == 0
#ifdef WORDS_BIGENDIAN
|| strcmp(im->mode, "I;16N") == 0
#endif

8
src/libImaging/Jpeg2KEncode.c
View File

@ -207,8 +207,8 @@ j2k_set_cinema_params(Imaging im, int components, opj_cparameters_t *params) {
if (params->cp_cinema == OPJ_CINEMA4K_24) {
float max_rate =
((float)(components * im->xsize * im->ysize * 8) / (CINEMA_24_CS_LENGTH * 8)
);
((float)(components * im->xsize * im->ysize * 8) /
(CINEMA_24_CS_LENGTH * 8));
params->POC[0].tile = 1;
params->POC[0].resno0 = 0;
@ -243,8 +243,8 @@ j2k_set_cinema_params(Imaging im, int components, opj_cparameters_t *params) {
params->max_comp_size = COMP_24_CS_MAX_LENGTH;
} else {
float max_rate =
((float)(components * im->xsize * im->ysize * 8) / (CINEMA_48_CS_LENGTH * 8)
);
((float)(components * im->xsize * im->ysize * 8) /
(CINEMA_48_CS_LENGTH * 8));
for (n = 0; n < params->tcp_numlayers; ++n) {
rate = 0;

2
src/libImaging/JpegEncode.c
View File

@ -131,6 +131,7 @@ ImagingJpegEncode(Imaging im, ImagingCodecState state, UINT8 *buf, int bytes) {
break;
default:
state->errcode = IMAGING_CODEC_CONFIG;
jpeg_destroy_compress(&context->cinfo);
return -1;
}
@ -161,6 +162,7 @@ ImagingJpegEncode(Imaging im, ImagingCodecState state, UINT8 *buf, int bytes) {
/* Would subsample the green and blue
channels, which doesn't make sense */
state->errcode = IMAGING_CODEC_CONFIG;
jpeg_destroy_compress(&context->cinfo);
return -1;
}
jpeg_set_colorspace(&context->cinfo, JCS_RGB);

5
src/libImaging/Point.c
View File

@ -197,8 +197,9 @@ ImagingPoint(Imaging imIn, const char *mode, const void *table) {
return imOut;
mode_mismatch:
return (Imaging
)ImagingError_ValueError("point operation not supported for this mode");
return (Imaging)ImagingError_ValueError(
"point operation not supported for this mode"
);
}
Imaging

6
src/libImaging/Resample.c
View File

@ -470,7 +470,8 @@ ImagingResampleHorizontal_16bpc(
double *k;
int bigendian = 0;
if (strcmp(imIn->mode, "I;16N") == 0
if (
strcmp(imIn->mode, "I;16N") == 0
#ifdef WORDS_BIGENDIAN
|| strcmp(imIn->mode, "I;16B") == 0
#endif
@ -509,7 +510,8 @@ ImagingResampleVertical_16bpc(
double *k;
int bigendian = 0;
if (strcmp(imIn->mode, "I;16N") == 0
if (
strcmp(imIn->mode, "I;16N") == 0
#ifdef WORDS_BIGENDIAN
|| strcmp(imIn->mode, "I;16B") == 0
#endif

5
src/libImaging/Storage.c
View File

@ -602,8 +602,9 @@ ImagingBorrowArrow(
}
if (!borrowed_buffer) {
return (Imaging
)ImagingError_ValueError("Arrow Array, exactly 2 buffers required");
return (Imaging)ImagingError_ValueError(
"Arrow Array, exactly 2 buffers required"
);
}
for (y = i = 0; y < im->ysize; y++) {

45
src/libImaging/TiffDecode.c
View File

@ -557,7 +557,8 @@ _decodeStrip(
(tdata_t)state->buffer,
strip_size
) == -1) {
TRACE(("Decode Error, strip %d\n", TIFFComputeStrip(tiff, state->y, 0))
TRACE(
("Decode Error, strip %d\n", TIFFComputeStrip(tiff, state->y, 0))
);
state->errcode = IMAGING_CODEC_BROKEN;
return -1;
@ -929,6 +930,27 @@ ImagingLibTiffSetField(ImagingCodecState state, ttag_t tag, ...) {
return status;
}
int
ImagingLibTiffEncodeCleanup(ImagingCodecState state) {
TIFFSTATE *clientstate = (TIFFSTATE *)state->context;
TIFF *tiff = clientstate->tiff;
if (!tiff) {
return 0;
}
// TIFFClose in libtiff calls tif_closeproc and TIFFCleanup
if (clientstate->fp) {
// Python will manage the closing of the file rather than libtiff
// So only call TIFFCleanup
TIFFCleanup(tiff);
} else {
// When tif_closeproc refers to our custom _tiffCloseProc though,
// that is fine, as it does not close the file
TIFFClose(tiff);
}
return 0;
}
int
ImagingLibTiffEncode(Imaging im, ImagingCodecState state, UINT8 *buffer, int bytes) {
/* One shot encoder. Encode everything to the tiff in the clientstate.
@ -1010,16 +1032,6 @@ ImagingLibTiffEncode(Imaging im, ImagingCodecState state, UINT8 *buffer, int byt
TRACE(("Encode Error, row %d\n", state->y));
state->errcode = IMAGING_CODEC_BROKEN;
// TIFFClose in libtiff calls tif_closeproc and TIFFCleanup
if (clientstate->fp) {
// Python will manage the closing of the file rather than libtiff
// So only call TIFFCleanup
TIFFCleanup(tiff);
} else {
// When tif_closeproc refers to our custom _tiffCloseProc though,
// that is fine, as it does not close the file
TIFFClose(tiff);
}
if (!clientstate->fp) {
free(clientstate->data);
}
@ -1036,22 +1048,11 @@ ImagingLibTiffEncode(Imaging im, ImagingCodecState state, UINT8 *buffer, int byt
TRACE(("Error flushing the tiff"));
// likely reason is memory.
state->errcode = IMAGING_CODEC_MEMORY;
if (clientstate->fp) {
TIFFCleanup(tiff);
} else {
TIFFClose(tiff);
}
if (!clientstate->fp) {
free(clientstate->data);
}
return -1;
}
TRACE(("Closing \n"));
if (clientstate->fp) {
TIFFCleanup(tiff);
} else {
TIFFClose(tiff);
}
// reset the clientstate metadata to use it to read out the buffer.
clientstate->loc = 0;
clientstate->size = clientstate->eof; // redundant?

2
src/libImaging/TiffDecode.h
View File

@ -40,6 +40,8 @@ ImagingLibTiffInit(ImagingCodecState state, int fp, uint32_t offset);
extern int
ImagingLibTiffEncodeInit(ImagingCodecState state, char *filename, int fp);
extern int
ImagingLibTiffEncodeCleanup(ImagingCodecState state);
extern int
ImagingLibTiffMergeFieldInfo(
ImagingCodecState state, TIFFDataType field_type, int key, int is_var_length
);

3
winbuild/README.md
View File

@ -11,8 +11,7 @@ For more extensive info, see the [Windows build instructions](build.rst).
* Requires Microsoft Visual Studio 2017 or newer with C++ component.
* Requires NASM for libjpeg-turbo, a required dependency when using this script.
* Requires CMake 3.15 or newer (available as Visual Studio component).
* Tested on Windows Server 2022 with Visual Studio 2022 Enterprise and Windows Server
2019 with Visual Studio 2019 Enterprise (GitHub Actions).
* Tested on Windows Server 2022 with Visual Studio 2022 Enterprise (GitHub Actions).
Here's an example script to build on Windows: