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use mode enums in _imagingcms.c

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This commit is contained in:
Yay295 2024-04-25 19:54:47 -05:00
parent c3c968e025
commit 96421923eb
2 changed files with 30 additions and 18 deletions
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2
setup.py
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@ -1013,7 +1013,7 @@ for src_file in _LIB_IMAGING:
ext_modules = [
Extension("PIL._imaging", files, libraries=["pil_imaging_mode"]),
Extension("PIL._imagingft", ["src/_imagingft.c"], libraries=["pil_imaging_mode"]),
Extension("PIL._imagingcms", ["src/_imagingcms.c"]),
Extension("PIL._imagingcms", ["src/_imagingcms.c"], libraries=["pil_imaging_mode"]),
Extension("PIL._webp", ["src/_webp.c"], libraries=["pil_imaging_mode"]),
Extension("PIL._imagingtk", ["src/_imagingtk.c", "src/Tk/tkImaging.c"]),
Extension("PIL._imagingmath", ["src/_imagingmath.c"]),

46
src/_imagingcms.c
View File

@ -212,32 +212,44 @@ cms_transform_dealloc(CmsTransformObject *self) {
/* internal functions */
static cmsUInt32Number
findLCMStype(char *PILmode) {
if (strcmp(PILmode, "RGB") == 0 || strcmp(PILmode, "RGBA") == 0 ||
strcmp(PILmode, "RGBX") == 0) {
return TYPE_RGBA_8;
findLCMStype(const char *const mode_name) {
const ModeID mode = findModeID(mode_name);
switch (mode) {
case IMAGING_MODE_RGB:
case IMAGING_MODE_RGBA:
case IMAGING_MODE_RGBX:
return TYPE_RGBA_8;
case IMAGING_MODE_CMYK:
return TYPE_CMYK_8;
case IMAGING_MODE_I_16:
case IMAGING_MODE_I_16L:
return TYPE_GRAY_16;
case IMAGING_MODE_I_16B:
return TYPE_GRAY_16_SE;
case IMAGING_MODE_YCbCr:
return TYPE_YCbCr_8;
case IMAGING_MODE_LAB:
// LabX equivalent like ALab, but not reversed -- no #define in lcms2
return (
COLORSPACE_SH(PT_LabV2) | CHANNELS_SH(3) | BYTES_SH(1) | EXTRA_SH(1)
);
default:
// This function only accepts a subset of the imaging modes Pillow has.
break;
}
if (strcmp(PILmode, "RGBA;16B") == 0) {
// The following modes are not valid PIL Image modes.
if (strcmp(mode_name, "RGBA;16B") == 0) {
return TYPE_RGBA_16;
}
if (strcmp(PILmode, "CMYK") == 0) {
return TYPE_CMYK_8;
}
if (strcmp(PILmode, "I;16") == 0 || strcmp(PILmode, "I;16L") == 0 ||
strcmp(PILmode, "L;16") == 0) {
if (strcmp(mode_name, "L;16") == 0) {
return TYPE_GRAY_16;
}
if (strcmp(PILmode, "I;16B") == 0 || strcmp(PILmode, "L;16B") == 0) {
if (strcmp(mode_name, "L;16B") == 0) {
return TYPE_GRAY_16_SE;
}
if (strcmp(PILmode, "YCbCr") == 0 || strcmp(PILmode, "YCCA") == 0 ||
strcmp(PILmode, "YCC") == 0) {
if (strcmp(mode_name, "YCCA") == 0 || strcmp(mode_name, "YCC") == 0) {
return TYPE_YCbCr_8;
}
if (strcmp(PILmode, "LAB") == 0) {
// LabX equivalent like ALab, but not reversed -- no #define in lcms2
return (COLORSPACE_SH(PT_LabV2) | CHANNELS_SH(3) | BYTES_SH(1) | EXTRA_SH(1));
}
/* presume "1" or "L" by default */
return TYPE_GRAY_8;
}