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Added JPXDecode for RGBA images

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This commit is contained in:
Andrew Murray 2023-02-02 21:48:47 +11:00
parent b3af769c1a
commit 642d574087
2 changed files with 12 additions and 1 deletions
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7
Tests/test_file_pdf.py
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@ -8,7 +8,7 @@ import pytest
from PIL import Image, PdfParser, features
from .helper import hopper, mark_if_feature_version
from .helper import hopper, mark_if_feature_version, skip_unless_feature
def helper_save_as_pdf(tmp_path, mode, **kwargs):
@ -42,6 +42,11 @@ def test_save(tmp_path, mode):
helper_save_as_pdf(tmp_path, mode)
@skip_unless_feature("jpg_2000")
def test_save_rgba(tmp_path):
helper_save_as_pdf(tmp_path, "RGBA")
def test_monochrome(tmp_path):
# Arrange
mode = "1"

6
src/PIL/PdfImagePlugin.py
View File

@ -168,6 +168,10 @@ def _save(im, fp, filename, save_all=False):
filter = "DCTDecode"
colorspace = PdfParser.PdfName("DeviceRGB")
procset = "ImageC" # color images
elif im.mode == "RGBA":
filter = "JPXDecode"
colorspace = PdfParser.PdfName("DeviceRGB")
procset = "ImageC" # color images
elif im.mode == "CMYK":
filter = "DCTDecode"
colorspace = PdfParser.PdfName("DeviceCMYK")
@ -194,6 +198,8 @@ def _save(im, fp, filename, save_all=False):
)
elif filter == "DCTDecode":
Image.SAVE["JPEG"](im, op, filename)
elif filter == "JPXDecode":
Image.SAVE["JPEG2000"](im, op, filename)
elif filter == "FlateDecode":
ImageFile._save(im, op, [("zip", (0, 0) + im.size, 0, im.mode)])
elif filter == "RunLengthDecode":