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feat(#20): support flop operation (interface broken, sorry im still beta)

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This commit is contained in:
Tomas Aparicio 2015-04-08 00:44:44 +02:00
parent 2d17baca0d
commit 414fe40c91
5 changed files with 25 additions and 7 deletions
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14
resize.go
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@ -160,10 +160,11 @@ func extractImage(image *C.struct__VipsImage, o Options) (*C.struct__VipsImage,
func rotateImage(image *C.struct__VipsImage, o Options) (*C.struct__VipsImage, error) {
var err error
var direction Direction = -1
rotation, flip := calculateRotationAndFlip(image, o.Rotate)
if flip {
o.Flip = HORIZONTAL
o.Flip = flip
}
if rotation > D0 && o.Rotate == 0 {
o.Rotate = rotation
@ -172,8 +173,15 @@ func rotateImage(image *C.struct__VipsImage, o Options) (*C.struct__VipsImage, e
if o.Rotate > 0 {
image, err = vipsRotate(image, getAngle(o.Rotate))
}
if o.Flip > 0 {
image, err = vipsFlip(image, o.Flip)
if o.Flip {
direction = HORIZONTAL
} else if o.Flop {
direction = VERTICAL
}
if direction != -1 {
image, err = vipsFlip(image, direction)
}
return image, err