Lines Matching refs:cw
141 func yCbCrSize(r Rectangle, subsampleRatio YCbCrSubsampleRatio) (w, h, cw, ch int) {
145 cw = (r.Max.X+1)/2 - r.Min.X/2
148 cw = (r.Max.X+1)/2 - r.Min.X/2
151 cw = w
154 cw = (r.Max.X+3)/4 - r.Min.X/4
157 cw = (r.Max.X+3)/4 - r.Min.X/4
161 cw = w
170 w, h, cw, ch := yCbCrSize(r, subsampleRatio)
171 i0 := w*h + 0*cw*ch
172 i1 := w*h + 1*cw*ch
173 i2 := w*h + 2*cw*ch
181 CStride: cw,
279 w, h, cw, ch := yCbCrSize(r, subsampleRatio)
280 i0 := 1*w*h + 0*cw*ch
281 i1 := 1*w*h + 1*cw*ch
282 i2 := 1*w*h + 2*cw*ch
283 i3 := 2*w*h + 2*cw*ch
292 CStride: cw,
