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Diffstat (limited to 'leptonica/prog/hmttemplate2.txt')
| -rw-r--r-- | leptonica/prog/hmttemplate2.txt | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/leptonica/prog/hmttemplate2.txt b/leptonica/prog/hmttemplate2.txt new file mode 100644 index 00000000..cd4da0bf --- /dev/null +++ b/leptonica/prog/hmttemplate2.txt @@ -0,0 +1,103 @@ +/*====================================================================* + - 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. + *====================================================================*/ + +/*! + * Low-level fast hit-miss transform with auto-generated sels + * + * Dispatcher: +--- * l_int32 fhmtgen_low_*() + * + * Static Low-level: +--- * void fhmt_*_*() + */ + +#include "allheaders.h" + +--- This file is: hmttemplate2.txt +--- +--- insert static protos here + + +/*---------------------------------------------------------------------* + * Fast hmt dispatcher * + *---------------------------------------------------------------------*/ +/*! +--- * fhmtgen_low_*() + * + * a dispatcher to appropriate low-level code + */ +l_int32 +--- fhmtgen_low_*(l_uint32 *datad, + l_int32 w, + l_int32 h, + l_int32 wpld, + l_uint32 *datas, + l_int32 wpls, + l_int32 index) +{ + + switch (index) + { +--- insert dispatcher code for fhmt* routines + } + + return 0; +} + + +/*--------------------------------------------------------------------------* + * Low-level auto-generated static routines * + *--------------------------------------------------------------------------*/ +/* + * N.B. In all the low-level routines, the part of the image + * that is accessed has been clipped by 32 pixels on + * all four sides. This is done in the higher level + * code by redefining w and h smaller and by moving the + * start-of-image pointers up to the beginning of this + * interior rectangle. + */ +--- static void fhmt_*_*(l_uint32 *datad, + l_int32 w, + l_int32 h, + l_int32 wpld, + l_uint32 *datas, + l_int32 wpls) +{ +l_int32 i; +l_int32 j, pwpls; +l_uint32 *sptr, *dptr; +--- declare wplsN args as necessary ---------------------- + pwpls = (l_uint32)(w + 31) / 32; /* proper wpl of src */ + + for (i = 0; i < h; i++) { + sptr = datas + i * wpls; + dptr = datad + i * wpld; + for (j = 0; j < pwpls; j++, sptr++, dptr++) { +--- insert barrel-op code for *dptr here ... + } + } +} + |