diff options
| author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2020-04-14 13:26:42 +0200 |
| commit | 277f2116b6660e9bbe7f5d67524be57eceb49b8b (patch) | |
| tree | 4595f7cc71418f71b9a97dfaeb03a30aa60f336a /media/libaom/src/third_party/fastfeat/fast_9.c | |
| parent | d270404436f6e84ffa3b92af537ac721bf10d66e (diff) | |
| download | UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.tar UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.tar.gz UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.tar.lz UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.tar.xz UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.zip | |
Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'media/libaom/src/third_party/fastfeat/fast_9.c')
| -rw-r--r-- | media/libaom/src/third_party/fastfeat/fast_9.c | 5911 |
1 files changed, 5911 insertions, 0 deletions
diff --git a/media/libaom/src/third_party/fastfeat/fast_9.c b/media/libaom/src/third_party/fastfeat/fast_9.c new file mode 100644 index 000000000..ec167a953 --- /dev/null +++ b/media/libaom/src/third_party/fastfeat/fast_9.c @@ -0,0 +1,5911 @@ +// clang-format off +/*This is mechanically generated code*/ +#include <stdlib.h> + +typedef struct { int x, y; } xy; +typedef unsigned char byte; + +int fast9_corner_score(const byte* p, const int pixel[], int bstart) +{ + int bmin = bstart; + int bmax = 255; + int b = (bmax + bmin)/2; + + /*Compute the score using binary search*/ + for(;;) + { + int cb = *p + b; + int c_b= *p - b; + + + if( p[pixel[0]] > cb) + if( p[pixel[1]] > cb) + if( p[pixel[2]] > cb) + if( p[pixel[3]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[7]] < c_b) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[14]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[6]] < c_b) + if( p[pixel[15]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[13]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[13]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[5]] < c_b) + if( p[pixel[14]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[12]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[14]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[6]] < c_b) + goto is_a_corner; + else + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[12]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[6]] < c_b) + goto is_a_corner; + else + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[4]] < c_b) + if( p[pixel[13]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[11]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[12]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[13]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + goto is_a_corner; + else + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[11]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + goto is_a_corner; + else + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[3]] < c_b) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[10]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[4]] < c_b) + goto is_a_corner; + else + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[10]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[4]] < c_b) + goto is_a_corner; + else + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[2]] < c_b) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[3]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[9]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[3]] < c_b) + goto is_a_corner; + else + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[3]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[9]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[3]] < c_b) + goto is_a_corner; + else + if( p[pixel[12]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[1]] < c_b) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[3]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[2]] > cb) + if( p[pixel[3]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[8]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[3]] < c_b) + if( p[pixel[2]] < c_b) + goto is_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[3]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[2]] > cb) + if( p[pixel[3]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[8]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[3]] < c_b) + if( p[pixel[2]] < c_b) + goto is_a_corner; + else + if( p[pixel[11]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[0]] < c_b) + if( p[pixel[1]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[3]] > cb) + if( p[pixel[2]] > cb) + goto is_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[3]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[2]] < c_b) + if( p[pixel[3]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[1]] < c_b) + if( p[pixel[2]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[3]] > cb) + goto is_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[3]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[2]] < c_b) + if( p[pixel[3]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[4]] > cb) + goto is_a_corner; + else + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[3]] < c_b) + if( p[pixel[4]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + goto is_a_corner; + else + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[13]] < c_b) + if( p[pixel[11]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[12]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[4]] < c_b) + if( p[pixel[5]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[6]] > cb) + goto is_a_corner; + else + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[14]] < c_b) + if( p[pixel[12]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[6]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[5]] < c_b) + if( p[pixel[6]] > cb) + if( p[pixel[15]] < c_b) + if( p[pixel[13]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[6]] < c_b) + if( p[pixel[7]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[13]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[6]] > cb) + goto is_a_corner; + else + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + goto is_a_corner; + else + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[4]] > cb) + goto is_a_corner; + else + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[9]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[3]] > cb) + goto is_a_corner; + else + if( p[pixel[12]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[3]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[8]] > cb) + if( p[pixel[7]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[10]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[3]] > cb) + if( p[pixel[2]] > cb) + goto is_a_corner; + else + if( p[pixel[11]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[3]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[2]] < c_b) + if( p[pixel[3]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[7]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[7]] > cb) + if( p[pixel[8]] > cb) + if( p[pixel[9]] > cb) + if( p[pixel[6]] > cb) + if( p[pixel[5]] > cb) + if( p[pixel[4]] > cb) + if( p[pixel[3]] > cb) + if( p[pixel[2]] > cb) + if( p[pixel[1]] > cb) + goto is_a_corner; + else + if( p[pixel[10]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] > cb) + if( p[pixel[11]] > cb) + if( p[pixel[12]] > cb) + if( p[pixel[13]] > cb) + if( p[pixel[14]] > cb) + if( p[pixel[15]] > cb) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else if( p[pixel[7]] < c_b) + if( p[pixel[8]] < c_b) + if( p[pixel[9]] < c_b) + if( p[pixel[6]] < c_b) + if( p[pixel[5]] < c_b) + if( p[pixel[4]] < c_b) + if( p[pixel[3]] < c_b) + if( p[pixel[2]] < c_b) + if( p[pixel[1]] < c_b) + goto is_a_corner; + else + if( p[pixel[10]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + if( p[pixel[10]] < c_b) + if( p[pixel[11]] < c_b) + if( p[pixel[12]] < c_b) + if( p[pixel[13]] < c_b) + if( p[pixel[14]] < c_b) + if( p[pixel[15]] < c_b) + goto is_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + else + goto is_not_a_corner; + +is_a_corner: + bmin=b; + goto end_if; + +is_not_a_corner: + bmax=b; + goto end_if; + +end_if: + + if(bmin == bmax - 1 || bmin == bmax) + return bmin; + b = (bmin + bmax) / 2; + } +} + +static void make_offsets(int pixel[], int row_stride) +{ + pixel[0] = 0 + row_stride * 3; + pixel[1] = 1 + row_stride * 3; + pixel[2] = 2 + row_stride * 2; + pixel[3] = 3 + row_stride * 1; + pixel[4] = 3 + row_stride * 0; + pixel[5] = 3 + row_stride * -1; + pixel[6] = 2 + row_stride * -2; + pixel[7] = 1 + row_stride * -3; + pixel[8] = 0 + row_stride * -3; + pixel[9] = -1 + row_stride * -3; + pixel[10] = -2 + row_stride * -2; + pixel[11] = -3 + row_stride * -1; + pixel[12] = -3 + row_stride * 0; + pixel[13] = -3 + row_stride * 1; + pixel[14] = -2 + row_stride * 2; + pixel[15] = -1 + row_stride * 3; +} + + + +int* fast9_score(const byte* i, int stride, xy* corners, int num_corners, int b) +{ + int* scores = (int*)malloc(sizeof(int)* num_corners); + int n; + + int pixel[16]; + make_offsets(pixel, stride); + + for(n=0; n < num_corners; n++) + scores[n] = fast9_corner_score(i + corners[n].y*stride + corners[n].x, pixel, b); + + return scores; +} + + +xy* fast9_detect(const byte* im, int xsize, int ysize, int stride, int b, int* ret_num_corners) +{ + int num_corners=0; + xy* ret_corners; + int rsize=512; + int pixel[16]; + int x, y; + + ret_corners = (xy*)malloc(sizeof(xy)*rsize); + make_offsets(pixel, stride); + + for(y=3; y < ysize - 3; y++) + for(x=3; x < xsize - 3; x++) + { + const byte* p = im + y*stride + x; + + int cb = *p + b; + int c_b= *p - b; + if(p[pixel[0]] > cb) + if(p[pixel[1]] > cb) + if(p[pixel[2]] > cb) + if(p[pixel[3]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + if(p[pixel[15]] > cb) + {} + else + continue; + else if(p[pixel[7]] < c_b) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else if(p[pixel[14]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else if(p[pixel[6]] < c_b) + if(p[pixel[15]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else if(p[pixel[13]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else if(p[pixel[13]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[5]] < c_b) + if(p[pixel[14]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[12]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[13]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[14]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[6]] < c_b) + {} + else + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[12]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[6]] < c_b) + {} + else + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[4]] < c_b) + if(p[pixel[13]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[11]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[12]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[13]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + {} + else + if(p[pixel[14]] < c_b) + {} + else + continue; + else + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[11]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + {} + else + if(p[pixel[14]] < c_b) + {} + else + continue; + else + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[3]] < c_b) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[10]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[4]] < c_b) + {} + else + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[10]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[4]] < c_b) + {} + else + if(p[pixel[13]] < c_b) + {} + else + continue; + else + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[2]] < c_b) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[3]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[9]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[3]] < c_b) + {} + else + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[3]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[9]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[3]] < c_b) + {} + else + if(p[pixel[12]] < c_b) + {} + else + continue; + else + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[1]] < c_b) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[3]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[2]] > cb) + if(p[pixel[3]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[8]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[3]] < c_b) + if(p[pixel[2]] < c_b) + {} + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[3]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[2]] > cb) + if(p[pixel[3]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[8]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[3]] < c_b) + if(p[pixel[2]] < c_b) + {} + else + if(p[pixel[11]] < c_b) + {} + else + continue; + else + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[0]] < c_b) + if(p[pixel[1]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[3]] > cb) + if(p[pixel[2]] > cb) + {} + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[3]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[2]] < c_b) + if(p[pixel[3]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[1]] < c_b) + if(p[pixel[2]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[3]] > cb) + {} + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[3]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[2]] < c_b) + if(p[pixel[3]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[4]] > cb) + {} + else + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[3]] < c_b) + if(p[pixel[4]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + {} + else + if(p[pixel[14]] > cb) + {} + else + continue; + else + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[13]] < c_b) + if(p[pixel[11]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[12]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[4]] < c_b) + if(p[pixel[5]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[6]] > cb) + {} + else + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[14]] < c_b) + if(p[pixel[12]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[13]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[6]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[5]] < c_b) + if(p[pixel[6]] > cb) + if(p[pixel[15]] < c_b) + if(p[pixel[13]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[6]] < c_b) + if(p[pixel[7]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + if(p[pixel[15]] < c_b) + {} + else + continue; + else + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[13]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[12]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[6]] > cb) + {} + else + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + {} + else + if(p[pixel[14]] > cb) + {} + else + continue; + else + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[4]] > cb) + {} + else + if(p[pixel[13]] > cb) + {} + else + continue; + else + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[9]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[3]] > cb) + {} + else + if(p[pixel[12]] > cb) + {} + else + continue; + else + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[3]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[8]] > cb) + if(p[pixel[7]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[10]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[3]] > cb) + if(p[pixel[2]] > cb) + {} + else + if(p[pixel[11]] > cb) + {} + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[3]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[2]] < c_b) + if(p[pixel[3]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[7]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[7]] > cb) + if(p[pixel[8]] > cb) + if(p[pixel[9]] > cb) + if(p[pixel[6]] > cb) + if(p[pixel[5]] > cb) + if(p[pixel[4]] > cb) + if(p[pixel[3]] > cb) + if(p[pixel[2]] > cb) + if(p[pixel[1]] > cb) + {} + else + if(p[pixel[10]] > cb) + {} + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + {} + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] > cb) + if(p[pixel[11]] > cb) + if(p[pixel[12]] > cb) + if(p[pixel[13]] > cb) + if(p[pixel[14]] > cb) + if(p[pixel[15]] > cb) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else if(p[pixel[7]] < c_b) + if(p[pixel[8]] < c_b) + if(p[pixel[9]] < c_b) + if(p[pixel[6]] < c_b) + if(p[pixel[5]] < c_b) + if(p[pixel[4]] < c_b) + if(p[pixel[3]] < c_b) + if(p[pixel[2]] < c_b) + if(p[pixel[1]] < c_b) + {} + else + if(p[pixel[10]] < c_b) + {} + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + {} + else + continue; + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + if(p[pixel[10]] < c_b) + if(p[pixel[11]] < c_b) + if(p[pixel[12]] < c_b) + if(p[pixel[13]] < c_b) + if(p[pixel[14]] < c_b) + if(p[pixel[15]] < c_b) + {} + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + else + continue; + if(num_corners == rsize) + { + rsize*=2; + ret_corners = (xy*)realloc(ret_corners, sizeof(xy)*rsize); + } + ret_corners[num_corners].x = x; + ret_corners[num_corners].y = y; + num_corners++; + + } + + *ret_num_corners = num_corners; + return ret_corners; + +} + +// clang-format on |