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demo: Port to new API

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This commit is contained in:
Benjamin Berg
2019-06-13 17:26:57 +02:00
parent dd40aeaa79
commit 7d6b0c1376
4 changed files with 66 additions and 311 deletions
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152
demo/gtk-libfprint-test.c
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@@ -22,8 +22,6 @@
#include <gtk/gtk.h>
#include <libfprint/fprint.h>
#include "loop.h"
typedef GtkApplication LibfprintDemo;
typedef GtkApplicationClass LibfprintDemoClass;
@@ -45,10 +43,10 @@ typedef struct {
GtkWidget *spinner;
GtkWidget *instructions;
struct fp_dscv_dev *ddev;
struct fp_dev *dev;
gboolean opened;
FpDevice *dev;
struct fp_img *img;
FpImage *img;
ImageDisplayFlags img_flags;
} LibfprintDemoWindow;
@@ -67,27 +65,18 @@ typedef enum {
static void libfprint_demo_set_mode (LibfprintDemoWindow *win,
LibfprintDemoMode mode);
static void
pixbuf_destroy (guchar *pixels, gpointer data)
{
if (pixels == NULL)
return;
g_free (pixels);
}
static unsigned char *
img_to_rgbdata (struct fp_img *img,
img_to_rgbdata (const guint8 *imgdata,
int width,
int height)
{
int size = width * height;
unsigned char *imgdata = fp_img_get_data (img);
unsigned char *rgbdata = g_malloc (size * 3);
guint8 *rgbdata = g_malloc (size * 3);
size_t i;
size_t rgb_offset = 0;
for (i = 0; i < size; i++) {
unsigned char pixel = imgdata[i];
guint8 pixel = imgdata[i];
rgbdata[rgb_offset++] = pixel;
rgbdata[rgb_offset++] = pixel;
@@ -101,8 +90,7 @@ static void
plot_minutiae (unsigned char *rgbdata,
int width,
int height,
struct fp_minutia **minlist,
int nr_minutiae)
GPtrArray *minutiae)
{
int i;
#define write_pixel(num) do { \
@@ -111,8 +99,8 @@ plot_minutiae (unsigned char *rgbdata,
rgbdata[((num) * 3) + 2] = 0; \
} while(0)
for (i = 0; i < nr_minutiae; i++) {
struct fp_minutia *min = minlist[i];
for (i = 0; i < minutiae->len; i++) {
struct fp_minutia *min = g_ptr_array_index (minutiae, i);
int x, y;
size_t pixel_offset;
@@ -136,36 +124,37 @@ plot_minutiae (unsigned char *rgbdata,
}
static GdkPixbuf *
img_to_pixbuf (struct fp_img *img,
img_to_pixbuf (FpImage *img,
ImageDisplayFlags flags)
{
int width;
int height;
const guint8 *data;
unsigned char *rgbdata;
width = fp_img_get_width (img);
height = fp_img_get_height (img);
width = fp_image_get_width (img);
height = fp_image_get_height (img);
if (flags & IMAGE_DISPLAY_BINARY) {
struct fp_img *binary;
binary = fp_img_binarize (img);
rgbdata = img_to_rgbdata (binary, width, height);
fp_img_free (binary);
} else {
rgbdata = img_to_rgbdata (img, width, height);
}
if (flags & IMAGE_DISPLAY_BINARY)
data = fp_image_get_binarized (img, NULL);
else
data = fp_image_get_data (img, NULL);
if (!data)
return NULL;
rgbdata = img_to_rgbdata (data, width, height);
if (flags & IMAGE_DISPLAY_MINUTIAE) {
struct fp_minutia **minlist;
int nr_minutiae;
GPtrArray *minutiae;
minlist = fp_img_get_minutiae (img, &nr_minutiae);
plot_minutiae (rgbdata, width, height, minlist, nr_minutiae);
minutiae = fp_image_get_minutiae (img);
plot_minutiae (rgbdata, width, height, minutiae);
}
return gdk_pixbuf_new_from_data (rgbdata, GDK_COLORSPACE_RGB,
FALSE, 8, width, height,
width * 3, pixbuf_destroy,
width * 3, (GdkPixbufDestroyNotify) g_free,
NULL);
}
@@ -201,12 +190,10 @@ libfprint_demo_set_spinner_label (LibfprintDemoWindow *win,
static void
libfprint_demo_set_capture_label (LibfprintDemoWindow *win)
{
struct fp_driver *drv;
enum fp_scan_type scan_type;
FpScanType scan_type;
const char *message;
drv = fp_dscv_dev_get_driver (win->ddev);
scan_type = fp_driver_get_scan_type(drv);
scan_type = fp_device_get_scan_type(win->dev);
switch (scan_type) {
case FP_SCAN_TYPE_PRESS:
@@ -223,46 +210,49 @@ libfprint_demo_set_capture_label (LibfprintDemoWindow *win)
}
static void
dev_capture_start_cb (struct fp_dev *dev,
int result,
struct fp_img *img,
dev_capture_start_cb (FpDevice *dev,
GAsyncResult *res,
void *user_data)
{
g_autoptr(GError) error = NULL;
LibfprintDemoWindow *win = user_data;
FpImage *image = NULL;
if (result < 0) {
image = fp_device_capture_finish (dev, res, &error);
if (!image) {
g_warning ("Error capturing data: %s", error->message);
libfprint_demo_set_mode (win, ERROR_MODE);
return;
}
fp_async_capture_stop (dev, NULL, NULL);
win->img = img;
g_clear_object (&win->img);
win->img = image;
update_image (win);
libfprint_demo_set_mode (win, CAPTURE_MODE);
}
static void
dev_open_cb (struct fp_dev *dev, int status, void *user_data)
dev_start_capture (LibfprintDemoWindow *win)
{
LibfprintDemoWindow *win = user_data;
int r;
if (status < 0) {
libfprint_demo_set_mode (win, ERROR_MODE);
return;
}
libfprint_demo_set_capture_label (win);
win->dev = dev;
r = fp_async_capture_start (win->dev, FALSE, dev_capture_start_cb, user_data);
if (r < 0) {
g_warning ("fp_async_capture_start failed: %d", r);
fp_device_capture (win->dev, TRUE, NULL, (GAsyncReadyCallback) dev_capture_start_cb, win);
}
static void
dev_open_cb (FpDevice *dev, GAsyncResult *res, void *user_data)
{
LibfprintDemoWindow *win = user_data;
g_autoptr(GError) error = NULL;
if (!fp_device_open_finish (dev, res, &error)) {
g_warning ("Failed to open device: %s", error->message);
libfprint_demo_set_mode (win, ERROR_MODE);
return;
}
dev_start_capture(win);
}
static void
@@ -271,24 +261,19 @@ activate_capture (GSimpleAction *action,
gpointer user_data)
{
LibfprintDemoWindow *win = user_data;
int r;
libfprint_demo_set_mode (win, SPINNER_MODE);
g_clear_pointer (&win->img, fp_img_free);
g_clear_pointer (&win->img, g_object_unref);
if (win->dev != NULL) {
dev_open_cb (win->dev, 0, user_data);
if (win->opened) {
dev_start_capture (win);
return;
}
libfprint_demo_set_spinner_label (win, "Opening fingerprint reader");
r = fp_async_dev_open (win->ddev, dev_open_cb, user_data);
if (r < 0) {
g_warning ("fp_async_dev_open failed: %d", r);
libfprint_demo_set_mode (win, ERROR_MODE);
return;
}
win->opened = TRUE;
fp_device_open (win->dev, NULL, (GAsyncReadyCallback) dev_open_cb, user_data);
}
static void
@@ -397,7 +382,6 @@ static void
libfprint_demo_set_mode (LibfprintDemoWindow *win,
LibfprintDemoMode mode)
{
struct fp_driver *drv;
char *title;
switch (mode) {
@@ -415,8 +399,7 @@ libfprint_demo_set_mode (LibfprintDemoWindow *win,
gtk_stack_set_visible_child_name (GTK_STACK (win->mode_stack), "capture-mode");
gtk_widget_set_sensitive (win->capture_button, TRUE);
drv = fp_dscv_dev_get_driver (win->ddev);
title = g_strdup_printf ("%s Test", fp_driver_get_full_name (drv));
title = g_strdup_printf ("%s Test", fp_device_get_name (win->dev));
gtk_header_bar_set_title (GTK_HEADER_BAR (win->header_bar), title);
g_free (title);
@@ -456,7 +439,8 @@ libfprint_demo_class_init (LibfprintDemoClass *class)
static void
libfprint_demo_window_init (LibfprintDemoWindow *window)
{
struct fp_dscv_dev **discovered_devs;
FpContext *ctx;
GPtrArray *devices;
gtk_widget_init_template (GTK_WIDGET (window));
gtk_window_set_default_size (GTK_WINDOW (window), 700, 500);
@@ -465,32 +449,26 @@ libfprint_demo_window_init (LibfprintDemoWindow *window)
win_entries, G_N_ELEMENTS (win_entries),
window);
if (fp_init () < 0) {
libfprint_demo_set_mode (window, ERROR_MODE);
return;
}
ctx = fp_context_new ();
setup_pollfds ();
discovered_devs = fp_discover_devs();
if (!discovered_devs) {
devices = fp_context_get_devices(ctx);
if (!devices) {
libfprint_demo_set_mode (window, ERROR_MODE);
return;
}
/* Empty list? */
if (discovered_devs[0] == NULL) {
fp_dscv_devs_free (discovered_devs);
if (devices->len == 0) {
libfprint_demo_set_mode (window, EMPTY_MODE);
return;
}
if (!fp_driver_supports_imaging(fp_dscv_dev_get_driver(discovered_devs[0]))) {
if (!fp_device_supports_capture(g_ptr_array_index (devices, 0))) {
libfprint_demo_set_mode (window, NOIMAGING_MODE);
return;
}
window->ddev = discovered_devs[0];
window->dev = g_object_ref (g_ptr_array_index (devices, 0));
libfprint_demo_set_mode (window, CAPTURE_MODE);
}