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Changed wide line co-ordinates from int to long

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This commit is contained in:
Andrew Murray 2020-06-23 18:12:12 +10:00
parent 2456601e6b
commit d70bb74490
3 changed files with 14 additions and 1 deletions
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Tests/images/imagedraw_wide_line_larger_than_int.png Normal file
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13
Tests/test_imagedraw.py
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@ -887,6 +887,19 @@ def test_wide_line_dot():
assert_image_similar(im, Image.open(expected), 1) assert_image_similar(im, Image.open(expected), 1)
def test_wide_line_larger_than_int():
# Arrange
im = Image.new("RGB", (W, H))
draw = ImageDraw.Draw(im)
expected = "Tests/images/imagedraw_wide_line_larger_than_int.png"
# Act
draw.line([(0, 0), (32768, 32768)], width=3)
# Assert
assert_image_similar(im, Image.open(expected), 1)
@pytest.mark.parametrize( @pytest.mark.parametrize(
"xy", "xy",
[ [

2
src/libImaging/Draw.c
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@ -669,7 +669,7 @@ ImagingDrawWideLine(Imaging im, int x0, int y0, int x1, int y1,
{ {
DRAW* draw; DRAW* draw;
INT32 ink; INT32 ink;
int dx, dy; long dx, dy;
double big_hypotenuse, small_hypotenuse, ratio_max, ratio_min; double big_hypotenuse, small_hypotenuse, ratio_max, ratio_min;
int dxmin, dxmax, dymin, dymax; int dxmin, dxmax, dymin, dymax;
Edge e[4]; Edge e[4];