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Diffstat (limited to 'src/watershed.h')
| -rw-r--r-- | src/watershed.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/watershed.h b/src/watershed.h new file mode 100644 index 0000000..91ca355 --- /dev/null +++ b/src/watershed.h @@ -0,0 +1,63 @@ +/*====================================================================* + - Copyright (C) 2001 Leptonica. All rights reserved. + - + - Redistribution and use in source and binary forms, with or without + - modification, are permitted provided that the following conditions + - are met: + - 1. Redistributions of source code must retain the above copyright + - notice, this list of conditions and the following disclaimer. + - 2. Redistributions in binary form must reproduce the above + - copyright notice, this list of conditions and the following + - disclaimer in the documentation and/or other materials + - provided with the distribution. + - + - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY + - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + - OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *====================================================================*/ + +#ifndef LEPTONICA_WATERSHED_H +#define LEPTONICA_WATERSHED_H + +/* + * watershed.h + * + * Simple data structure to hold watershed data. + * All data here is owned by the L_WShed and must be freed. + */ + +struct L_WShed +{ + struct Pix *pixs; /* clone of input 8 bpp pixs */ + struct Pix *pixm; /* clone of input 1 bpp seed (marker) pixm */ + l_int32 mindepth; /* minimum depth allowed for a watershed */ + struct Pix *pixlab; /* 16 bpp label pix */ + struct Pix *pixt; /* scratch pix for computing wshed regions */ + void **lines8; /* line ptrs for pixs */ + void **linem1; /* line ptrs for pixm */ + void **linelab32; /* line ptrs for pixlab */ + void **linet1; /* line ptrs for pixt */ + struct Pixa *pixad; /* result: 1 bpp pixa of watersheds */ + struct Pta *ptas; /* pta of initial seed pixels */ + struct Numa *nasi; /* numa of seed indicators; 0 if completed */ + struct Numa *nash; /* numa of initial seed heights */ + struct Numa *namh; /* numa of initial minima heights */ + struct Numa *nalevels; /* result: numa of watershed levels */ + l_int32 nseeds; /* number of seeds (markers) */ + l_int32 nother; /* number of minima different from seeds */ + l_int32 *lut; /* lut for pixel indices */ + struct Numa **links; /* back-links into lut, for updates */ + l_int32 arraysize; /* size of links array */ + l_int32 debug; /* set to 1 for debug output */ +}; +typedef struct L_WShed L_WSHED; + +#endif /* LEPTONICA_WATERSHED_H */ |