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Merge pull request #5434 from radarhere/text_alpha

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Hugo van Kemenade 2021-05-09 22:17:58 +03:00 committed by GitHub
commit 649eaae360
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5 changed files with 5 additions and 2 deletions
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Tests/images/transparent_background_text.png
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Tests/images/transparent_background_text_L.png Normal file
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Tests/test_image_paste.py
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@ -236,7 +236,7 @@ class TestImagingPaste:
[
(127, 191, 254, 191),
(111, 207, 206, 110),
(255, 255, 255, 0) if mode == "RGBA" else (127, 254, 127, 0),
(127, 254, 127, 0),
(207, 207, 239, 239),
(191, 191, 190, 191),
(207, 206, 111, 112),

3
Tests/test_imagefont.py
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@ -131,6 +131,9 @@ class TestImageFont:
target = "Tests/images/transparent_background_text.png"
assert_image_similar_tofile(im, target, 4.09)
target = "Tests/images/transparent_background_text_L.png"
assert_image_similar_tofile(im.convert("L"), target, 0.01)
def test_textsize_equal(self):
im = Image.new(mode="RGB", size=(300, 100))
draw = ImageDraw.Draw(im)

2
src/libImaging/Paste.c
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@ -436,7 +436,7 @@ fill_mask_L(
strcmp(imOut->mode, "La") == 0 ||
strcmp(imOut->mode, "LA") == 0 ||
strcmp(imOut->mode, "PA") == 0) &&
i != 3) {
i != 3 && channel_mask != 0) {
channel_mask =
255 - (255 - channel_mask) * (1 - (255 - out[3]) / 255);
}