draw: actually use type-specific Transform code paths.
I simply forgot to do this in the previous change.
Change-Id: I0ea5d6bb0a09154cb995a665476ffceb155bd49e
Reviewed-on: https://go-review.googlesource.com/7651
Reviewed-by: Rob Pike <r@golang.org>
diff --git a/draw/gen.go b/draw/gen.go
index 587b969..ced1c9a 100644
--- a/draw/gen.go
+++ b/draw/gen.go
@@ -444,7 +444,7 @@
return
}
d2s := invert(s2d)
- z.transform_Image_Image(dst, dr, adr, &d2s, src, sr)
+ $switch z.transform_$dTypeRN_$sTypeRN(dst, dr, adr, &d2s, src, sr)
}
`
diff --git a/draw/impl.go b/draw/impl.go
index cba9349..e6f215a 100644
--- a/draw/impl.go
+++ b/draw/impl.go
@@ -55,7 +55,28 @@
return
}
d2s := invert(s2d)
- z.transform_Image_Image(dst, dr, adr, &d2s, src, sr)
+ switch dst := dst.(type) {
+ case *image.RGBA:
+ switch src := src.(type) {
+ case *image.Gray:
+ z.transform_RGBA_Gray(dst, dr, adr, &d2s, src, sr)
+ case *image.NRGBA:
+ z.transform_RGBA_NRGBA(dst, dr, adr, &d2s, src, sr)
+ case *image.RGBA:
+ z.transform_RGBA_RGBA(dst, dr, adr, &d2s, src, sr)
+ case *image.Uniform:
+ z.transform_RGBA_Uniform(dst, dr, adr, &d2s, src, sr)
+ case *image.YCbCr:
+ z.transform_RGBA_YCbCr(dst, dr, adr, &d2s, src, sr)
+ default:
+ z.transform_RGBA_Image(dst, dr, adr, &d2s, src, sr)
+ }
+ default:
+ switch src := src.(type) {
+ default:
+ z.transform_Image_Image(dst, dr, adr, &d2s, src, sr)
+ }
+ }
}
func (nnInterpolator) scale_RGBA_Gray(dst *image.RGBA, dr, adr image.Rectangle, src *image.Gray, sr image.Rectangle) {
@@ -388,7 +409,28 @@
return
}
d2s := invert(s2d)
- z.transform_Image_Image(dst, dr, adr, &d2s, src, sr)
+ switch dst := dst.(type) {
+ case *image.RGBA:
+ switch src := src.(type) {
+ case *image.Gray:
+ z.transform_RGBA_Gray(dst, dr, adr, &d2s, src, sr)
+ case *image.NRGBA:
+ z.transform_RGBA_NRGBA(dst, dr, adr, &d2s, src, sr)
+ case *image.RGBA:
+ z.transform_RGBA_RGBA(dst, dr, adr, &d2s, src, sr)
+ case *image.Uniform:
+ z.transform_RGBA_Uniform(dst, dr, adr, &d2s, src, sr)
+ case *image.YCbCr:
+ z.transform_RGBA_YCbCr(dst, dr, adr, &d2s, src, sr)
+ default:
+ z.transform_RGBA_Image(dst, dr, adr, &d2s, src, sr)
+ }
+ default:
+ switch src := src.(type) {
+ default:
+ z.transform_Image_Image(dst, dr, adr, &d2s, src, sr)
+ }
+ }
}
func (ablInterpolator) scale_RGBA_Gray(dst *image.RGBA, dr, adr image.Rectangle, src *image.Gray, sr image.Rectangle) {
