void ContourMetricsMasked(const uint8_t * src, size_t srcStride, size_t width, size_t height,
const uint8_t * mask, size_t maskStride, uint8_t indexMin, uint8_t * dst, size_t dstStride)
{
assert(dstStride%sizeof(int16_t) == 0);
ContourMetricsMasked(src, srcStride, width, height, mask, maskStride, indexMin, (uint16_t *)dst, dstStride/sizeof(int16_t));
}
SIMD_INLINE void ContourMetricsMasked(const uint8_t * src, size_t srcStride, size_t width, size_t height,
const uint8_t * mask, size_t maskStride, uint8_t indexMin, int16_t * dst, size_t dstStride)
{
assert(width > A);
size_t bodyWidth = Simd::AlignHi(width, A) - A;
const uint8_t *src0, *src1, *src2;
v16u8 _indexMin = Fill((uint8_t)indexMin);
v16u8 a[3][3];
for (size_t row = 0; row < height; ++row)
{
src0 = src + srcStride*(row - 1);
src1 = src0 + srcStride;
src2 = src1 + srcStride;
if (row == 0)
src0 = src1;
if (row == height - 1)
src2 = src1;
LoadNose(src0 + 0, a[0]);
LoadNose(src1 + 0, a[1]);
LoadNose(src2 + 0, a[2]);
ContourMetricsMasked(a, mask + 0, _indexMin, dst + 0);
for (size_t col = A; col < bodyWidth; col += A)
{
LoadBody(src0 + col, a[0]);
LoadBody(src1 + col, a[1]);
LoadBody(src2 + col, a[2]);
ContourMetricsMasked(a, mask + col, _indexMin, dst + col);
}
LoadTail(src0 + width - A, a[0]);
LoadTail(src1 + width - A, a[1]);
LoadTail(src2 + width - A, a[2]);
ContourMetricsMasked(a, mask + width - A, _indexMin, dst + width - A);
dst += dstStride;
mask += maskStride;
}
}
