boolToUint: true -> 1
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parent
a32116ce4a
commit
bf09bbe0a3
12
filters.go
12
filters.go
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@ -36,9 +36,9 @@ func clampToUint16(x float32) (y uint16) {
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func boolToUint(b bool) (i uint) {
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if b {
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i = 0
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} else {
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i = 1
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} else {
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i = 0
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}
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return
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@ -60,12 +60,12 @@ type filterModel struct {
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tempRow, tempCol []colorArray
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}
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func (f *filterModel) convolution1d(x float32, p []colorArray, isRow bool) colorArray {
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func (f *filterModel) convolution1d(x float32, p []colorArray, isCol bool) colorArray {
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var k float32
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var sum float32 = 0
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c := colorArray{0.0, 0.0, 0.0, 0.0}
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index := boolToUint(isRow)
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index := boolToUint(isCol)
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for j := range p {
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k = f.kernel((x - float32(j)) / f.factor[index])
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@ -91,10 +91,10 @@ func (f *filterModel) Interpolate(x, y float32) color.RGBA64 {
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for j := 0; j < len(f.tempRow); j++ {
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f.tempRow[j] = f.at(xf+j, yf+i)
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}
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f.tempCol[i] = f.convolution1d(x, f.tempRow, true)
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f.tempCol[i] = f.convolution1d(x, f.tempRow, false)
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}
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c := f.convolution1d(y, f.tempCol, false)
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c := f.convolution1d(y, f.tempCol, true)
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return color.RGBA64{
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clampToUint16(c[0]),
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clampToUint16(c[1]),
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