examples: Remove x11 based examples
These examples have not been ported. In addition, they are also not very useful these days, as the demo application offers a much nicer view to view images from a sensor.
This commit is contained in:
Benjamin Berg
parent
d91ec2d044
commit
256c7cea07
|
|
@ -1,108 +0,0 @@
|
|||
/*
|
||||
* Example libfprint image capture program
|
||||
* Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <libfprint/fprint.h>
|
||||
|
||||
struct fp_dscv_dev *discover_device(struct fp_dscv_dev **discovered_devs)
|
||||
{
|
||||
struct fp_dscv_dev *ddev = discovered_devs[0];
|
||||
struct fp_driver *drv;
|
||||
if (!ddev)
|
||||
return NULL;
|
||||
|
||||
drv = fp_dscv_dev_get_driver(ddev);
|
||||
printf("Found device claimed by %s driver\n", fp_driver_get_full_name(drv));
|
||||
return ddev;
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
int r = 1;
|
||||
struct fp_dscv_dev *ddev;
|
||||
struct fp_dscv_dev **discovered_devs;
|
||||
struct fp_dev *dev;
|
||||
struct fp_img *img = NULL;
|
||||
|
||||
setenv ("G_MESSAGES_DEBUG", "all", 0);
|
||||
setenv ("LIBUSB_DEBUG", "3", 0);
|
||||
|
||||
r = fp_init();
|
||||
if (r < 0) {
|
||||
fprintf(stderr, "Failed to initialize libfprint\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
discovered_devs = fp_discover_devs();
|
||||
if (!discovered_devs) {
|
||||
fprintf(stderr, "Could not discover devices\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
ddev = discover_device(discovered_devs);
|
||||
if (!ddev) {
|
||||
fp_dscv_devs_free(discovered_devs);
|
||||
fprintf(stderr, "No devices detected.\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
dev = fp_dev_open(ddev);
|
||||
fp_dscv_devs_free(discovered_devs);
|
||||
if (!dev) {
|
||||
fprintf(stderr, "Could not open device.\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (!fp_dev_supports_imaging(dev)) {
|
||||
fprintf(stderr, "this device does not have imaging capabilities.\n");
|
||||
goto out_close;
|
||||
}
|
||||
|
||||
printf("Opened device. It's now time to scan your finger.\n\n");
|
||||
|
||||
r = fp_dev_img_capture(dev, 0, &img);
|
||||
if (r) {
|
||||
fprintf(stderr, "image capture failed, code %d\n", r);
|
||||
goto out_close;
|
||||
}
|
||||
|
||||
r = fp_img_save_to_file(img, "finger.pgm");
|
||||
if (r) {
|
||||
fprintf(stderr, "img save failed, code %d\n", r);
|
||||
goto out_close;
|
||||
}
|
||||
|
||||
fp_img_standardize(img);
|
||||
r = fp_img_save_to_file(img, "finger_standardized.pgm");
|
||||
fp_img_free(img);
|
||||
if (r) {
|
||||
fprintf(stderr, "standardized img save failed, code %d\n", r);
|
||||
goto out_close;
|
||||
}
|
||||
|
||||
r = 0;
|
||||
out_close:
|
||||
fp_dev_close(dev);
|
||||
out:
|
||||
fp_exit();
|
||||
return r;
|
||||
}
|
||||
|
||||
|
|
@ -1,261 +0,0 @@
|
|||
/*
|
||||
* Example libfprint continuous image capture program
|
||||
* Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <libfprint/fprint.h>
|
||||
#include <X11/Xlib.h>
|
||||
#include <X11/keysym.h>
|
||||
#include <X11/extensions/Xvlib.h>
|
||||
|
||||
#define FORMAT 0x32595559
|
||||
|
||||
static int adaptor = -1;
|
||||
static char *framebuffer = NULL;
|
||||
|
||||
static Display *display = NULL;
|
||||
static Window window=(Window)NULL;
|
||||
static XvImage *xv_image = NULL;
|
||||
static XvAdaptorInfo *info;
|
||||
static GC gc;
|
||||
static int connection = -1;
|
||||
|
||||
/* based on macro by Bart Nabbe */
|
||||
#define GREY2YUV(grey, y, u, v)\
|
||||
y = (9798*grey + 19235*grey + 3736*grey) / 32768;\
|
||||
u = (-4784*grey - 9437*grey + 14221*grey) / 32768 + 128;\
|
||||
v = (20218*grey - 16941*grey - 3277*grey) / 32768 + 128;\
|
||||
y = y < 0 ? 0 : y;\
|
||||
u = u < 0 ? 0 : u;\
|
||||
v = v < 0 ? 0 : v;\
|
||||
y = y > 255 ? 255 : y;\
|
||||
u = u > 255 ? 255 : u;\
|
||||
v = v > 255 ? 255 : v
|
||||
|
||||
static void grey2yuy2 (unsigned char *grey, char *YUV, int num) {
|
||||
int i, j;
|
||||
int y0, y1, u0, u1, v0, v1;
|
||||
uint64_t gval;
|
||||
|
||||
for (i = 0, j = 0; i < num; i += 2, j += 4)
|
||||
{
|
||||
gval = grey[i];
|
||||
GREY2YUV (gval, y0, u0 , v0);
|
||||
gval = grey[i + 1];
|
||||
GREY2YUV (gval, y1, u1 , v1);
|
||||
YUV[j + 0] = y0;
|
||||
YUV[j + 1] = (u0+u1)/2;
|
||||
YUV[j + 2] = y1;
|
||||
YUV[j + 3] = (v0+v1)/2;
|
||||
}
|
||||
}
|
||||
|
||||
static void display_frame(struct fp_img *img)
|
||||
{
|
||||
int width = fp_img_get_width(img);
|
||||
int height = fp_img_get_height(img);
|
||||
unsigned char *data = fp_img_get_data(img);
|
||||
|
||||
if (adaptor < 0)
|
||||
return;
|
||||
|
||||
grey2yuy2(data, framebuffer, width * height);
|
||||
xv_image = XvCreateImage(display, info[adaptor].base_id, FORMAT,
|
||||
framebuffer, width, height);
|
||||
XvPutImage(display, info[adaptor].base_id, window, gc, xv_image,
|
||||
0, 0, width, height, 0, 0, width, height);
|
||||
}
|
||||
|
||||
static void QueryXv(void)
|
||||
{
|
||||
unsigned int num_adaptors;
|
||||
int num_formats;
|
||||
XvImageFormatValues *formats = NULL;
|
||||
int i,j;
|
||||
char xv_name[5];
|
||||
|
||||
XvQueryAdaptors(display, DefaultRootWindow(display), &num_adaptors,
|
||||
&info);
|
||||
|
||||
for(i = 0; i < num_adaptors; i++) {
|
||||
formats = XvListImageFormats(display, info[i].base_id,
|
||||
&num_formats);
|
||||
for(j = 0; j < num_formats; j++) {
|
||||
xv_name[4] = 0;
|
||||
memcpy(xv_name, &formats[j].id, 4);
|
||||
if(formats[j].id == FORMAT) {
|
||||
printf("using Xv format 0x%x %s %s\n",
|
||||
formats[j].id, xv_name,
|
||||
(formats[j].format==XvPacked)
|
||||
? "packed" : "planar");
|
||||
if (adaptor < 0)
|
||||
adaptor = i;
|
||||
}
|
||||
}
|
||||
}
|
||||
XFree(formats);
|
||||
if (adaptor < 0)
|
||||
printf("No suitable Xv adaptor found\n");
|
||||
}
|
||||
|
||||
struct fp_dscv_dev *discover_device(struct fp_dscv_dev **discovered_devs)
|
||||
{
|
||||
struct fp_dscv_dev *ddev = discovered_devs[0];
|
||||
struct fp_driver *drv;
|
||||
if (!ddev)
|
||||
return NULL;
|
||||
|
||||
drv = fp_dscv_dev_get_driver(ddev);
|
||||
printf("Found device claimed by %s driver\n", fp_driver_get_full_name(drv));
|
||||
return ddev;
|
||||
}
|
||||
|
||||
int main(void)
|
||||
{
|
||||
int r = 1;
|
||||
XEvent xev;
|
||||
XGCValues xgcv;
|
||||
long background=0x010203;
|
||||
struct fp_dscv_dev *ddev;
|
||||
struct fp_dscv_dev **discovered_devs;
|
||||
struct fp_dev *dev;
|
||||
int img_width;
|
||||
int img_height;
|
||||
int standardize = 0;
|
||||
|
||||
setenv ("G_MESSAGES_DEBUG", "all", 0);
|
||||
setenv ("LIBUSB_DEBUG", "3", 0);
|
||||
|
||||
r = fp_init();
|
||||
if (r < 0) {
|
||||
fprintf(stderr, "Failed to initialize libfprint\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
discovered_devs = fp_discover_devs();
|
||||
if (!discovered_devs) {
|
||||
fprintf(stderr, "Could not discover devices\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
ddev = discover_device(discovered_devs);
|
||||
if (!ddev) {
|
||||
fprintf(stderr, "No devices detected.\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
dev = fp_dev_open(ddev);
|
||||
fp_dscv_devs_free(discovered_devs);
|
||||
if (!dev) {
|
||||
fprintf(stderr, "Could not open device.\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (!fp_dev_supports_imaging(dev)) {
|
||||
fprintf(stderr, "this device does not have imaging capabilities.\n");
|
||||
goto out_close;
|
||||
}
|
||||
|
||||
img_width = fp_dev_get_img_width(dev);
|
||||
img_height = fp_dev_get_img_height(dev);
|
||||
if (img_width <= 0 || img_height <= 0) {
|
||||
fprintf(stderr, "this device returns images with variable dimensions,"
|
||||
" this example does not support that.\n");
|
||||
goto out_close;
|
||||
}
|
||||
framebuffer = malloc(img_width * img_height * 2);
|
||||
if (!framebuffer)
|
||||
goto out_close;
|
||||
|
||||
/* make the window */
|
||||
display = XOpenDisplay(getenv("DISPLAY"));
|
||||
if(display == NULL) {
|
||||
fprintf(stderr,"Could not open display \"%s\"\n",
|
||||
getenv("DISPLAY"));
|
||||
goto out_close;
|
||||
}
|
||||
|
||||
QueryXv();
|
||||
|
||||
if (adaptor < 0)
|
||||
goto out_close;
|
||||
|
||||
window = XCreateSimpleWindow(display, DefaultRootWindow(display), 0, 0,
|
||||
img_width, img_height, 0,
|
||||
WhitePixel(display, DefaultScreen(display)), background);
|
||||
|
||||
XSelectInput(display, window, StructureNotifyMask | KeyPressMask);
|
||||
XMapWindow(display, window);
|
||||
connection = ConnectionNumber(display);
|
||||
|
||||
gc = XCreateGC(display, window, 0, &xgcv);
|
||||
|
||||
printf("Press S to toggle standardized mode, Q to quit\n");
|
||||
|
||||
while (1) { /* event loop */
|
||||
struct fp_img *img;
|
||||
|
||||
r = fp_dev_img_capture(dev, 1, &img);
|
||||
if (r) {
|
||||
fprintf(stderr, "image capture failed, code %d\n", r);
|
||||
goto out_close;
|
||||
}
|
||||
if (standardize)
|
||||
fp_img_standardize(img);
|
||||
|
||||
display_frame(img);
|
||||
fp_img_free(img);
|
||||
XFlush(display);
|
||||
|
||||
while (XPending(display) > 0) {
|
||||
XNextEvent(display, &xev);
|
||||
if (xev.type != KeyPress)
|
||||
continue;
|
||||
|
||||
switch (XKeycodeToKeysym(display, xev.xkey.keycode, 0)) {
|
||||
case XK_q:
|
||||
case XK_Q:
|
||||
r = 0;
|
||||
goto out_close;
|
||||
break;
|
||||
case XK_s:
|
||||
case XK_S:
|
||||
standardize = !standardize;
|
||||
break;
|
||||
}
|
||||
} /* XPending */
|
||||
}
|
||||
|
||||
r = 0;
|
||||
out_close:
|
||||
if (framebuffer)
|
||||
free(framebuffer);
|
||||
fp_dev_close(dev);
|
||||
if ((void *) window != NULL)
|
||||
XUnmapWindow(display, window);
|
||||
if (display != NULL)
|
||||
XFlush(display);
|
||||
out:
|
||||
fp_exit();
|
||||
return r;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -17,13 +17,3 @@ executable('cpp-test',
|
|||
root_inc,
|
||||
],
|
||||
c_args: common_cflags)
|
||||
|
||||
# if get_option('x11-examples')
|
||||
# executable('img_capture_continuous',
|
||||
# 'img_capture_continuous.c',
|
||||
# dependencies: [ libfprint_dep, xv_dep, x11_dep ],
|
||||
# include_directories: [
|
||||
# root_inc,
|
||||
# ],
|
||||
# c_args: common_cflags)
|
||||
# endif
|
||||
|
|
|
|||
|
|
@ -111,14 +111,6 @@ if get_option('udev_rules')
|
|||
endif
|
||||
endif
|
||||
|
||||
# if get_option('x11-examples')
|
||||
# x11_dep = cc.find_library('X11')
|
||||
# xv_dep = dependency('xv', required: false)
|
||||
# if not xv_dep.found()
|
||||
# error('XV is required for X11 examples')
|
||||
# endif
|
||||
# endif
|
||||
|
||||
if get_option('gtk-examples')
|
||||
gnome = import('gnome')
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue