summaryrefslogtreecommitdiffstats
path: root/test/control.c
blob: 5444755e02b34412f97be3150854255674ffdddf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
#include <glib/gprintf.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>

#include "uca.h"
#include "uca-cam.h"

struct ThreadData {
    guchar *buffer, *pixels;
    GtkWidget *image;
    GdkPixbuf *pixbuf;
    int width;
    int height;

    struct uca_camera_t *cam;
};

enum {
    COLUMN_NAME = 0,
    COLUMN_VALUE,
    COLUMN_UNIT,
    COLUMN_UCA_ID,
    NUM_COLUMNS
};

static gboolean delete_event(GtkWidget *widget, GdkEvent *event, gpointer data)
{
    return FALSE;
}

static void destroy(GtkWidget *widget, gpointer data)
{
    struct uca_t *uca = (struct uca_t *) data;
    uca_destroy(uca);
    gtk_main_quit ();
}

void grey_to_rgb(guchar *output, guchar *input, int width, int height)
{
    for (int x = 0; x < width; x++) {
        for (int y = 0; y < height; y++) {
            const int off = y*width + x;
            output[off*3] = input[off];
            output[off*3+1] = input[off];
            output[off*3+2] = input[off];
        }
    }
}

void *grab_thread(void *args)
{
    struct ThreadData *data = (struct ThreadData *) args;
    struct uca_camera_t *cam = data->cam;

    while (TRUE) {
        cam->grab(cam, (char *) data->buffer);
        grey_to_rgb(data->pixels, data->buffer, data->width, data->height);

        gdk_threads_enter();
        gdk_flush();
        gtk_image_clear(GTK_IMAGE(data->image));
        gtk_image_set_from_pixbuf(GTK_IMAGE(data->image), data->pixbuf);
        gtk_widget_queue_draw_area(data->image, 0, 0, data->width, data->height);
        gdk_threads_leave();
    }
}

void get_first_level_root(GtkTreeStore *store, GtkTreeIter *iter, gchar *group)
{
    GtkTreeIter root;
    if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &root)) {
        gchar *str;
        gtk_tree_model_get(GTK_TREE_MODEL(store), &root, 0, &str, -1);
        if (g_strcmp0(group, str) == 0) {
            *iter = root;
            return;
        }

        /* Iterate through all groups */
        while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &root)) {
            gtk_tree_model_get(GTK_TREE_MODEL(store), &root, 0, &str, -1);
            if (g_strcmp0(group, str) == 0) {
                *iter = root;
                g_free(str);
                return;
            }
        }

        /* Not found, append the group */
        g_free(str);
    }

    /* Tree is empty or group is not found */
    gtk_tree_store_append(store, iter, NULL);
    gtk_tree_store_set(store, iter, 0, group, -1);
}

void find_recursively(GtkTreeStore *store, GtkTreeIter *root, GtkTreeIter *result, gchar **tokens, int depth)
{
    GtkTreeIter iter;
    gchar *str;
    gchar *current_token = tokens[depth];

    if (current_token == NULL) {
        *result = *root;
        return;
    }

    if (!gtk_tree_model_iter_has_child(GTK_TREE_MODEL(store), root)) {
        gtk_tree_store_append(store, &iter, root);
        if (tokens[depth+1] == NULL) {
            *result = iter;
            return;
        }
        else {
            gtk_tree_store_set(store, &iter, 0, current_token, -1);
            find_recursively(store, &iter, result, tokens, depth+1);
        }
    }

    gtk_tree_model_iter_children(GTK_TREE_MODEL(store), &iter, root);
    do {
        gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, 0, &str, -1);
        if (g_strcmp0(current_token, str) == 0) {
            find_recursively(store, &iter, result, tokens, depth+1);
            g_free(str);
            return;
        }
    } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter));

    g_free(str);
    gtk_tree_store_append(store, &iter, root);
    gtk_tree_store_set(store, &iter, COLUMN_NAME, current_token, -1);
    find_recursively(store, &iter, result, tokens, depth+1);
}

void fill_tree_store(GtkTreeStore *tree_store, struct uca_camera_t *cam)
{
    GtkTreeIter iter, child;
    struct uca_property_t *property;
    gchar *value_string = g_malloc(256);
    guint8 value_8;
    guint32 value_32;

    for (int prop_id = 0; prop_id < UCA_PROP_LAST; prop_id++) {
        property = uca_get_full_property(prop_id);
        uint32_t result = UCA_NO_ERROR;
        switch (property->type) {
            case uca_string:
                result = cam->get_property(cam, prop_id, value_string);
                break;

            case uca_uint8t:
                result = cam->get_property(cam, prop_id, &value_8);
                g_sprintf(value_string, "%d", value_8);
                break;

            case uca_uint32t:
                result = cam->get_property(cam, prop_id, &value_32);
                g_sprintf(value_string, "%d", value_32);
                break;
        }

        /* Find first level root */
        gchar **tokens = g_strsplit(property->name, ".", 0);
        get_first_level_root(tree_store, &iter, tokens[0]);
        find_recursively(tree_store, &iter, &child, tokens, 1);

        if (result == UCA_ERR_PROP_INVALID)
            g_sprintf(value_string, "n/a");

        int count = 0;
        while (tokens[count++] != NULL);

        gtk_tree_store_set(tree_store, &child, 
                COLUMN_NAME, tokens[count-2],
                COLUMN_VALUE, value_string,
                COLUMN_UNIT, uca_unit_map[property->unit],
                COLUMN_UCA_ID, prop_id,
                -1);

        g_strfreev(tokens);
    }

    g_free(value_string);
}

void value_cell_data_func(GtkTreeViewColumn *column, GtkCellRenderer *cell, GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
{
    uint32_t prop_id;

    gtk_tree_model_get(model, iter, COLUMN_UCA_ID, &prop_id, -1);
    struct uca_property_t *property = uca_get_full_property(prop_id);
    if (property->access & uca_write) {
        g_object_set(cell, "mode", GTK_CELL_RENDERER_MODE_EDITABLE, NULL);
        g_object_set(GTK_CELL_RENDERER_TEXT(cell), "editable", TRUE, NULL);
        g_object_set(GTK_CELL_RENDERER_TEXT(cell), "style", PANGO_STYLE_NORMAL, NULL);
    }
    else {
        g_object_set(cell, "mode", GTK_CELL_RENDERER_MODE_INERT, NULL);
        g_object_set(GTK_CELL_RENDERER_TEXT(cell), "editable", FALSE, NULL);
        g_object_set(GTK_CELL_RENDERER_TEXT(cell), "style", PANGO_STYLE_ITALIC, NULL);
    }
}

int main(int argc, char *argv[])
{
    struct uca_t *uca = uca_init();
    if (uca == NULL) {
        g_print("Couldn't initialize frame grabber and/or cameras\n");
        return 1;
    }

    int width, height, bits_per_sample;
    struct uca_camera_t *cam = uca->cameras;
    cam->get_property(cam, UCA_PROP_WIDTH, &width);
    cam->get_property(cam, UCA_PROP_HEIGHT, &height);
    cam->get_property(cam, UCA_PROP_BITDEPTH, &bits_per_sample);
    bits_per_sample = 8;

    g_thread_init(NULL);
    gdk_threads_init();
    gtk_init (&argc, &argv);

    GtkBuilder *builder = gtk_builder_new();
    GError *error = NULL;
    if (!gtk_builder_add_from_file(builder, "control.glade", &error)) {
        g_print("Couldn't load UI file!\n");
        g_print("Message: %s\n", error->message);
        g_free(error);
    }

    GtkWidget *window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
    GtkWidget *image = GTK_WIDGET(gtk_builder_get_object(builder, "image"));

    GtkTreeStore *tree_store = GTK_TREE_STORE(gtk_builder_get_object(builder, "cameraproperties"));
    GtkTreeViewColumn *value_column = GTK_TREE_VIEW_COLUMN(gtk_builder_get_object(builder, "valuecolumn"));
    GtkCellRendererText *value_renderer = GTK_CELL_RENDERER_TEXT(gtk_builder_get_object(builder, "valuecell"));
    fill_tree_store(tree_store, cam);

    gtk_tree_view_column_set_cell_data_func(value_column, GTK_CELL_RENDERER(value_renderer), value_cell_data_func, NULL, NULL);

    g_signal_connect (window, "delete-event",
              G_CALLBACK (delete_event), NULL);
    
    g_signal_connect (window, "destroy",
              G_CALLBACK (destroy), uca);
    
    GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, bits_per_sample, width, height);
    gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
    
    gtk_widget_show(image);
    gtk_widget_show(window);

    /* start grabbing and thread */
    struct ThreadData td;
    uca_cam_alloc(cam, 20);
    td.image  = image;
    td.pixbuf = pixbuf;
    td.buffer = (guchar *) g_malloc(width * height);
    td.pixels = gdk_pixbuf_get_pixels(pixbuf);
    td.width  = width;
    td.height = height;
    td.cam    = cam;
    cam->start_recording(cam);
    if (!g_thread_create(grab_thread, &td, FALSE, &error)) {
        g_printerr("Failed to create thread: %s\n", error->message);
        uca_destroy(uca);
        return 1;
    }
    
    gdk_threads_enter();
    gtk_main ();
    gdk_threads_leave();
    
    return 0;
}