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Fixed effect_spread bug for zero distance
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@ -454,6 +454,17 @@ class TestImage:
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with Image.open("Tests/images/effect_spread.png") as im3:
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assert_image_similar(im2, im3, 110)
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def test_effect_spread_zero(self):
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# Arrange
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im = hopper()
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distance = 0
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# Act
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im2 = im.effect_spread(distance)
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# Assert
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assert_image_equal(im, im2)
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def test_check_size(self):
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# Checking that the _check_size function throws value errors when we want it to
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with pytest.raises(ValueError):
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@ -133,13 +133,17 @@ ImagingEffectSpread(Imaging imIn, int distance)
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#define SPREAD(type, image)\
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for (y = 0; y < imOut->ysize; y++) {\
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for (x = 0; x < imOut->xsize; x++) {\
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int xx = x + (rand() % distance) - distance/2;\
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int yy = y + (rand() % distance) - distance/2;\
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if (xx >= 0 && xx < imIn->xsize && yy >= 0 && yy < imIn->ysize) {\
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imOut->image[yy][xx] = imIn->image[y][x];\
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imOut->image[y][x] = imIn->image[yy][xx];\
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if (distance == 0) {\
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imOut->image[y][x] = imIn->image[y][x];\
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} else {\
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imOut->image[y][x] = imIn->image[y][x];\
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int xx = x + (rand() % distance) - distance/2;\
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int yy = y + (rand() % distance) - distance/2;\
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if (xx >= 0 && xx < imIn->xsize && yy >= 0 && yy < imIn->ysize) {\
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imOut->image[yy][xx] = imIn->image[y][x];\
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imOut->image[y][x] = imIn->image[yy][xx];\
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} else {\
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imOut->image[y][x] = imIn->image[y][x];\
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}\
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}\
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}\
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}
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