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Allow images to be cropped without being resized

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Introduces the Crop method for image processing which implements gift.CropToSize. Also allows a smartCrop without resizing, and updates the documentation.

Fixes #9499
This commit is contained in:
John Elliott 2022-02-22 16:50:23 +00:00 • committed by Bjørn Erik Pedersen
parent aebde49b88
commit 7732da9f93
9 changed files with 75 additions and 8 deletions
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16
resources/image_test.go
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@ -137,6 +137,22 @@ func TestImageTransformBasic(t *testing.T) {
filledAgain, err := image.Fill("200x100 bottomLeft")
c.Assert(err, qt.IsNil)
c.Assert(filled, eq, filledAgain)
cropped, err := image.Crop("300x300 topRight")
c.Assert(err, qt.IsNil)
c.Assert(cropped.RelPermalink(), qt.Equals, "/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_300x300_crop_q68_linear_topright.jpg")
assertWidthHeight(cropped, 300, 300)
smartcropped, err := image.Crop("200x200 smart")
c.Assert(err, qt.IsNil)
c.Assert(smartcropped.RelPermalink(), qt.Equals, fmt.Sprintf("/a/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_crop_q68_linear_smart%d.jpg", 1))
assertWidthHeight(smartcropped, 200, 200)
// Check cache
croppedAgain, err := image.Crop("300x300 topRight")
c.Assert(err, qt.IsNil)
c.Assert(cropped, eq, croppedAgain)
}
func TestImageTransformFormat(t *testing.T) {