62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
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OpenLase - a realtime laser graphics toolkit
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Copyright (C) 2009-2011 Hector Martin "marcan" <hector@marcansoft.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 or version 3.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef TRACE_H
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#define TRACE_H
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typedef struct OLTraceCtx OLTraceCtx;
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typedef uint32_t icoord;
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typedef enum {
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OL_TRACE_THRESHOLD,
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OL_TRACE_CANNY
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} OLTraceMode;
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typedef struct {
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OLTraceMode mode;
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icoord width, height;
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float sigma;
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unsigned int threshold;
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unsigned int threshold2;
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} OLTraceParams;
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typedef struct {
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icoord x, y;
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} OLTracePoint;
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typedef struct {
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unsigned int count;
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OLTracePoint *points;
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} OLTraceObject;
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typedef struct {
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unsigned int count;
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OLTraceObject *objects;
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} OLTraceResult;
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int olTraceInit(OLTraceCtx **ctx, OLTraceParams *params);
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int olTraceReInit(OLTraceCtx *ctx, OLTraceParams *params);
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int olTrace(OLTraceCtx *ctx, uint8_t *src, icoord stride, OLTraceResult *result);
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void olTraceFree(OLTraceResult *result);
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void olTraceDeinit(OLTraceCtx *ctx);
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#endif
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