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134 lines
4.4 KiB
C
134 lines
4.4 KiB
C
/* qcam.h -- routines for accessing the Connectix QuickCam */
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/* Version 0.1, January 2, 1996 */
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/* Version 0.5, August 24, 1996 */
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/* Version 0.7, August 26, 1996 */
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/******************************************************************
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Copyright (C) 1996 by Scott Laird
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL SCOTT LAIRD BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************/
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#ifndef _QCAM_H
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#define _QCAM_H
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#define QC_VERSION "0.91"
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/* One from column A... */
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#define QC_NOTSET 0
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#define QC_UNIDIR 1
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#define QC_BIDIR 2
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#define QC_SERIAL 3
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/* ... and one from column B */
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#define QC_ANY 0x00
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#define QC_FORCE_UNIDIR 0x10
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#define QC_FORCE_BIDIR 0x20
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#define QC_FORCE_SERIAL 0x30
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/* in the port_mode member */
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#define QC_MODE_MASK 0x07
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#define QC_FORCE_MASK 0x70
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#define MAX_HEIGHT 243
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#define MAX_WIDTH 336
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struct qcam {
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int width, height;
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int bpp;
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int mode;
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int contrast, brightness, whitebal;
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int port;
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int port_mode;
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int transfer_scale;
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int top, left;
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int fd; /* lock file descriptor
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* It was, unfortunately, necessary to add this member to the
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* struct qcam to conveniently implement POSIX fcntl-style locking.
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* We need a seperate lock file for each struct qcam, for instance,
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* if the same process (using qcam-lib) is accessing multiple
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* QuickCams on (of course) multiple ports.
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* - Dave Plonka (plonka@carroll1.cc.edu)
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*/
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};
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typedef unsigned char scanbuf;
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/* General QuickCam handling routines */
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int qc_getbrightness(const struct qcam *q);
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int qc_setbrightness(struct qcam *q, int val);
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int qc_getcontrast(const struct qcam *q);
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int qc_setcontrast(struct qcam *q, int val);
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int qc_getwhitebal(const struct qcam *q);
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int qc_setwhitebal(struct qcam *q, int val);
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void qc_getresolution(const struct qcam *q, int *x, int *y);
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int qc_setresolution(struct qcam *q, int x, int y);
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int qc_getbitdepth(const struct qcam *q);
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int qc_setbitdepth(struct qcam *q, int val);
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int qc_getheight(const struct qcam *q);
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int qc_setheight(struct qcam *q, int y);
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int qc_getwidth(const struct qcam *q);
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int qc_setwidth(struct qcam *q, int x);
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int qc_gettop(const struct qcam *q);
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int qc_settop(struct qcam *q, int val);
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int qc_getleft(const struct qcam *q);
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int qc_setleft(struct qcam *q, int val);
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int qc_gettransfer_scale(const struct qcam *q);
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int qc_settransfer_scale(struct qcam *q, int val);
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int qc_calibrate(struct qcam *q);
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int qc_forceunidir(struct qcam *q);
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void qc_dump(const struct qcam *q, char *file);
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struct qcam *qc_init(void);
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int qc_initfile(struct qcam *q, char *fname);
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int qc_open(struct qcam *q);
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int qc_close(struct qcam *q);
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int qc_detect(const struct qcam *q);
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void qc_reset(struct qcam *q);
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void qc_set(struct qcam *q);
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scanbuf *qc_scan(const struct qcam *q);
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scanbuf *qc_convertscan(struct qcam *q, scanbuf *scan);
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void qc_writepgm(const struct qcam *q, FILE *f, scanbuf *scan);
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void qc_wait(int val);
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/* OS/hardware specific routines */
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int read_lpstatus(const struct qcam *q);
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int read_lpcontrol(const struct qcam *q);
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int read_lpdata(const struct qcam *q);
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void write_lpdata(const struct qcam *q, int d);
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void write_lpcontrol(const struct qcam *q, int d);
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int enable_ports(const struct qcam *q);
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int disable_ports(const struct qcam *q);
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int qc_unlock(struct qcam *q);
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int qc_lock(struct qcam *q);
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void qc_wait(int val);
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int qc_probe(struct qcam *q);
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/* Image processing routines */
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int fixdark(const struct qcam *q, scanbuf *scan);
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int qc_edge_detect(const struct qcam *q, scanbuf *scan, int tolerance);
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#endif /*! _QCAM_H*/
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