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fix: bug in SetPages #421

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merged 1 commit into from
Apr 16, 2024
Merged

fix: bug in SetPages #421

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2 changes: 1 addition & 1 deletion vips/image.go
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Original file line number Diff line number Diff line change
Expand Up @@ -766,7 +766,7 @@ func (r *ImageRef) SetPages(pages int) error {
return err
}

vipsSetImageNPages(r.image, pages)
vipsSetImageNPages(out, pages)

r.setImage(out)
return nil
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12 changes: 12 additions & 0 deletions vips/image_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1169,6 +1169,18 @@ func TestImageRef_HistogramEntropy(t *testing.T) {
require.True(t, e > 0)
}

func TestImageRef_SetPages(t *testing.T) {
Startup(nil)

image, err := NewImageFromFile(resources + "gif-animated.gif")
require.NoError(t, err)
require.Equal(t, 8, image.Pages())

err = image.SetPages(3)
require.NoError(t, err)
require.Equal(t, 3, image.Pages())
}

// TODO unit tests to cover:
// NewImageFromReader failing test
// NewImageFromFile failing test
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