Mercurial > repos > ImageTools / file comparison
comparison: src/Translate.jl
src/Translate.jl
- changeset 2
- 684032c29023
- parent 0
- eef71dd7202b
- child 5
- 29b38780d52b
equal
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| 1:2b4549ab4a18 | 2:684032c29023 |
|---|---|
| 125 @polly function extract_subimage!(b, im, v::DisplacementConstant) | 125 @polly function extract_subimage!(b, im, v::DisplacementConstant) |
| 126 (imx, imy) = size(im) | 126 (imx, imy) = size(im) |
| 127 (bx, by) = size(b) | 127 (bx, by) = size(b) |
| 128 | 128 |
| 129 # Translation from target to source coordinates | 129 # Translation from target to source coordinates |
| 130 vxʹ = v[1] + (imx-bx)/2 | 130 vxʹ = (imx-bx)/2 - v[1] |
| 131 vyʹ = v[2] + (imy-by)/2 | 131 vyʹ = (imy-by)/2 - v[2] |
| 132 | 132 |
| 133 # Target image indices within source image | 133 # Target image indices within source image |
| 134 px = ceil(Int, max(1, vxʹ + 1) - vxʹ) | 134 px = ceil(Int, max(1, vxʹ + 1) - vxʹ) |
| 135 py = ceil(Int, max(1, vyʹ + 1) - vyʹ) | 135 py = ceil(Int, max(1, vyʹ + 1) - vyʹ) |
| 136 qx = floor(Int, min(imx, vxʹ + bx) - vxʹ) | 136 qx = floor(Int, min(imx, vxʹ + bx) - vxʹ) |
