gui: rename source file

1 files changed, 0 insertions, 1606 deletions

diff --git a/bin/gui/control.c b/bin/gui/control.c
deleted file mode 100644
index f59460d..0000000
--- a/bin/gui/control.c
+++ /dev/null
@@ -1,1606 +0,0 @@
-/* Copyright (C) 2011, 2012 Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
-   (Karlsruhe Institute of Technology)
-
-   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 St, Fifth Floor, Boston, MA 02110, USA */
-
-#include <glib/gprintf.h>
-#include <gtk/gtk.h>
-#include <gdk/gdk.h>
-#include <gdk/gdkkeysyms.h>
-#include <math.h>
-#include <cairo.h>
-#include <string.h>
-
-#include "config.h"
-#include "uca-camera.h"
-#include "uca-plugin-manager.h"
-#include "uca-ring-buffer.h"
-#include "egg-property-tree-view.h"
-#include "egg-histogram-view.h"
-
-typedef enum {
-    IDLE,
-    RUNNING,
-    RECORDING
-} State;
-
-typedef struct {
-    UcaCamera   *camera;
-    GtkWidget   *main_window;
-    GdkPixbuf   *pixbuf;
-    GtkWidget   *image;
-    GtkWidget   *start_button;
-    GtkWidget   *stop_button;
-    GtkWidget   *record_button;
-    GtkWidget   *download_button;
-    GtkWidget   *zoom_in_button;
-    GtkWidget   *zoom_out_button;
-    GtkWidget   *zoom_normal_button;
-    GtkWidget   *rect_color_button;
-    GtkWidget   *acquisition_expander;
-    GtkWidget   *properties_expander;
-    GtkWidget   *histogram_view;
-    GtkWidget   *colormap_box;
-    GtkWidget   *event_box;
-    GtkLabel    *mean_label;
-    GtkLabel    *sigma_label;
-    GtkLabel    *max_label;
-    GtkLabel    *min_label;
-    GtkLabel    *x_label;
-    GtkLabel    *y_label;
-    GtkLabel    *val_label;
-    GtkLabel    *roix_label;
-    GtkLabel    *roiy_label;
-    GtkLabel    *roiw_label;
-    GtkLabel    *roih_label;
-
-    GtkAdjustment   *download_adjustment;
-    GtkAdjustment   *count;
-    GtkAdjustment   *hadjustment;
-    GtkAdjustment   *vadjustment;
-    GtkAdjustment   *x_adjustment;
-    GtkAdjustment   *y_adjustment;
-    GtkAdjustment   *width_adjustment;
-    GtkAdjustment   *height_adjustment;
-    GtkAdjustment   *frame_slider;
-
-    GtkDialog       *download_dialog;
-    GtkProgressBar  *download_progressbar;
-    GtkToggleButton *histogram_button;
-    GtkToggleButton *log_button;
-    UcaRingBuffer   *buffer;
-    guchar          *shadow;
-    guchar          *pixels;
-    cairo_t         *cr;
-    State           state;
-    guint           n_recorded;
-    gboolean        data_in_camram;
-    gboolean        stopped;
-
-    gint         display_width, display_height;
-    gint         pixbuf_width, pixbuf_height;
-    gint         page_width, page_height;
-    gint         adj_width, adj_height;
-    gint         sub_width, sub_height;
-    gint         width, height;
-    gint         display_x, display_y;
-    gint         tmp_fromx, tmp_fromy;
-    gint         rect_evx, rect_evy;
-    gint         side_x, side_y;
-    gint         rect_x, rect_y;
-    gint         from_x, from_y;
-    gint         to_x, to_y;
-    gint         ev_x, ev_y;
-    gint         colormap;
-    gint         timestamp;
-    gint         pixel_size;
-    gint         resize_counter;
-    gint         mm_width, mm_height;
-
-    gdouble      zoom_factor;
-    gdouble      zoom_before;
-    gdouble      red, green, blue;
-    gdouble      percent_width, percent_height;
-} ThreadData;
-
-static UcaPluginManager *plugin_manager;
-static gsize mem_size = 2048;
-
-static void update_pixbuf (ThreadData *data, gpointer buffer);
-static void update_pixbuf_dimensions (ThreadData *data);
-
-static void
-up_and_down_scale (ThreadData *data, gpointer buffer)
-{
-    gdouble min;
-    gdouble max;
-    gdouble factor;
-    gdouble dval = 0.0;
-    gboolean do_log;
-    guint8 *output;
-    gint i = 0;
-    gint zoom;
-    gint stride;
-    gint offset = 0;
-    gint min_x;
-    gint min_y;
-    gint max_x;
-    gint max_y;
-    gint current_x;
-    gint current_y;
-    gint current_width;
-    gint current_height;
-
-    current_width = gtk_adjustment_get_page_size (data->hadjustment);
-    current_height = gtk_adjustment_get_page_size (data->vadjustment);
-    if (((current_width > data->page_width || current_height > data->page_height)
-     && ((current_width - data->page_width) >= 15 || (current_height - data->page_height) >= 15))
-     || ((current_width < data->page_width || current_height < data->page_height)
-     && ((data->page_width - current_width) >= 15 || (data->page_height - current_height) >= 15))) {
-        data->resize_counter += 1;
-        if (data->resize_counter > 30) {
-            update_pixbuf_dimensions (data);
-        }
-    }
-
-    egg_histogram_get_range (EGG_HISTOGRAM_VIEW (data->histogram_view), &min, &max);
-    factor = 255.0 / (max - min);
-    output = data->pixels;
-    zoom = (gint) data->zoom_factor;
-    stride = (gint) 1 / data->zoom_factor;
-    do_log = gtk_toggle_button_get_active (data->log_button);
-    min_x = gtk_adjustment_get_value (data->hadjustment);
-    min_y = gtk_adjustment_get_value (data->vadjustment);
-    current_x = min_x;
-    current_y = min_y;
-
-    if (data->adj_width > 0 && data->adj_height > 0) {
-        if (data->stopped == TRUE) {
-            min_x = data->from_x;
-            min_y = data->from_y;
-        }
-        else {
-            min_x = data->from_x + current_x;
-            min_y = data->from_y + current_y;
-        }
-        max_x = data->pixbuf_width + min_x;
-        max_y = data->pixbuf_height + min_y;
-    }
-    else if (data->stopped == FALSE) {
-        if (data->display_width <= data->page_width || data->pixbuf_width == data->display_width)
-            max_x = data->display_width;
-        else
-            max_x = data->pixbuf_width + min_x;
-
-        if (data->display_height <= data->page_height || data->pixbuf_height == data->display_height)
-            max_y = data->display_height;
-        else
-            max_y = data->pixbuf_height + min_y;
-    }
-    else {
-        min_x = 0;
-        min_y = 0;
-        max_x = data->display_width;
-        max_y = data->display_height;
-    }
-
-    if (max_x > data->display_width) {
-        gint diff_x = max_x - data->display_width;
-        if ((min_x - diff_x) >= 0) {
-            min_x -= diff_x;
-            max_x -= diff_x;
-        }
-        else {
-            min_x = 0;
-            max_x = data->pixbuf_width;
-        }
-    }
-
-    if (max_y > data->display_height) {
-        gint diff_y = max_y - data->display_height;
-        if ((min_y - diff_y) >= 0) {
-            min_y -= diff_y;
-            max_y -= diff_y;
-        }
-        else {
-            min_y = 0;
-            max_y = data->pixbuf_height;
-        }
-    }
-
-    if ((data->display_width <= data->page_width) || (data->page_width == 1) ||
-        (data->adj_width > 0 && data->adj_height > 0 && data->adj_width <= data->page_width))
-        data->percent_width = 0.5;
-    else if ((min_x == 0 && data->display_width >= data->page_width) || (data->adj_width > 0 && data->adj_height > 0 && data->adj_width > data->page_width && data->stopped == TRUE))
-        data->percent_width = 0.0;
-    else if (data->adj_width > 0 && data->adj_height > 0 && data->adj_width > data->page_width)
-        data->percent_width = current_x / (gdouble) (data->adj_width - data->page_width);
-    else
-        data->percent_width = min_x / (gdouble) (data->display_width - data->page_width);
-
-    if ((data->display_height<= data->page_height) || (data->page_height == 1) ||
-        (data->adj_width > 0 && data->adj_height > 0 && data->adj_height <= data->page_height))
-        data->percent_height = 0.5;
-    else if ((min_y == 0 && data->display_height >= data->page_height) || (data->adj_width > 0 && data->adj_height > 0 && data->adj_width > data->page_width && data->stopped == TRUE))
-        data->percent_height = 0.0;
-    else if (data->adj_width > 0 && data->adj_height > 0 && data->adj_height > data->page_height)
-        data->percent_height = current_y / (gdouble) (data->adj_height - data->page_height);
-    else
-        data->percent_height = min_y / (gdouble) (data->display_height - data->page_height);
-
-    gtk_misc_set_alignment (GTK_MISC(data->image), data->percent_width, data->percent_height);
-
-    if (data->pixel_size == 1) {
-        guint8 *input = (guint8 *) buffer;
-        for (gint y = min_y; y < max_y; y++) {
-            for (gint x = min_x; x < max_x; x++) {
-                if (zoom <= 1)
-                    offset = (y * stride * data->width) + (x * stride);
-                else
-                    offset = ((gint) (y / zoom) * data->width) + ((gint) (x / zoom));
-
-                if (do_log)
-                    dval = log ((input[offset] - min) * factor);
-                else
-                    dval = (input[offset] - min) * factor;
-
-                guchar val = (guchar) CLAMP(dval, 0.0, 255.0);
-
-                if (data->colormap == 1) {
-                    output[i++] = val;
-                    output[i++] = val;
-                    output[i++] = val;
-                }
-                else {
-                    val = (float) val;
-                    float red = 0;
-                    float green = 0;
-                    float blue = 0;
-
-                    if (val == 255) {
-                        red = 255;
-                        green = 255;
-                        blue = 255;
-                    }
-                    else if (val == 0) {
-                    }
-                    else if (val <= 31.875) {
-                        blue = 255 - 4 * (31.875 - val);
-                    }
-                    else if (val <= 95.625) {
-                        green = 255 - 4 * (95.625 - val);
-                        blue = 255;
-                    }
-                    else if (val <= 159.375) {
-                        red = 255 - 4 * (159.375 - val);
-                        green = 255;
-                        blue = 255 + 4 * (95.625 - val);
-                    }
-                    else if (val <= 223.125) {
-                        red = 255;
-                        green = 255 + 4 * (159.375 - val);
-                    }
-                    else {
-                        red = 255 + 4 * (223.125 - val);
-                    }
-                    output[i++] = (guchar) red;
-                    output[i++] = (guchar) green;
-                    output[i++] = (guchar) blue;
-                }
-            }
-        }
-    }
-    else if (data->pixel_size == 2) {
-        guint16 *input = (guint16 *) buffer;
-
-        for (gint y = min_y; y < max_y; y++) {
-            for (gint x = min_x; x < max_x; x++) {
-                if (zoom <= 1)
-                    offset = (y * stride * data->width) + (x * stride);
-                else
-                    offset = ((gint) (y / zoom) * data->width) + ((gint) (x / zoom));
-
-                if (do_log)
-                    dval = log ((input[offset] - min) * factor);
-                else
-                    dval = (input[offset] - min) * factor;
-
-                guchar val = (guchar) CLAMP(dval, 0.0, 255.0);
-
-                if (data->colormap == 1) {
-                    output[i++] = val;
-                    output[i++] = val;
-                    output[i++] = val;
-                }
-                else {
-                    val = (float) val;
-                    float red = 0;
-                    float green = 0;
-                    float blue = 0;
-
-                    if (val == 255) {
-                        red = 65535;
-                        green = 65535;
-                        blue = 65535;
-                    }
-                    else if (val == 0) {
-                    }
-                    else if (val <= 31.875) {
-                        blue = (255 - 4 * (31.875 - val)) * 257;
-                    }
-                    else if (val <= 95.625) {
-                        green = (255 - 4 * (95.625 - val)) * 257;
-                        blue = 65535;
-                    }
-                    else if (val <= 159.375) {
-                        red = (255 - 4 * (159.375 - val)) * 257;
-                        green = 65535;
-                        blue = (255 + 4 * (95.625 - val)) * 257;
-                    }
-                    else if (val <= 223.125) {
-                        red = 65535;
-                        green = (255 + 4 * (159.375 - val)) * 257;
-                    }
-                    else {
-                        red = (255 + 4 * (223.125 - val)) * 257;
-                    }
-
-                    output[i++] = (guchar) red;
-                    output[i++] = (guchar) green;
-                    output[i++] = (guchar) blue;
-                }
-            }
-        }
-    }
-}
-
-static void
-get_statistics (ThreadData *data, gdouble *mean, gdouble *sigma, guint *_max, guint *_min, gpointer buffer)
-{
-    gdouble sum = 0.0;
-    gdouble squared_sum = 0.0;
-    guint min = G_MAXUINT;
-    guint max = 0;
-    guint n = data->width * data->height;
-
-    if (data->pixel_size == 1) {
-        guint8 *input = (guint8 *) buffer;
-
-        for (gint i = 0; i < n; i++) {
-            guint8 val = input[i];
-
-            if (val > max)
-                max = val;
-
-            if (val < min)
-                min = val;
-
-            sum += val;
-            squared_sum += val * val;
-        }
-    }
-    else {
-        guint16 *input = (guint16 *) buffer;
-
-        for (gint i = 0; i < n; i++) {
-            guint16 val = input[i];
-
-            if (val > max)
-                max = val;
-
-            if (val < min)
-                min = val;
-
-            sum += val;
-            squared_sum += val * val;
-        }
-    }
-
-    if (gtk_toggle_button_get_active (data->log_button)) {
-        *mean = log (sum/n);
-        *sigma = log (sqrt((squared_sum - sum*sum/n) / (n - 1)));
-    }
-    else {
-        *mean = sum / n;
-        *sigma = sqrt ((squared_sum - sum*sum/n) / (n - 1));
-    }
-
-    *_min = min;
-    *_max = max;
-}
-
-static void
-update_sidebar (ThreadData *data, gpointer buffer)
-{
-    gchar string[32];
-
-    if (data->display_x < 0)
-        data->side_x = 0;
-    else if (data->display_x > data->display_width - 1)
-        data->side_x = data->width - 1;
-    else
-        data->side_x = data->display_x / data->zoom_factor;
-
-    if (data->display_y < 0)
-        data->side_y = 0;
-    else if (data->display_y > data->display_height - 1)
-        data->side_y = data->height - 1;
-    else
-        data->side_y = data->display_y / data->zoom_factor;
-
-    gint i = data->side_y * data->width + data->side_x;
-
-    if (data->pixel_size == 1) {
-        guint8 *input = (guint8 *) buffer;
-        guint8 val = input[i];
-        g_snprintf (string, 32, "val = %i", val);
-        gtk_label_set_text (data->val_label, string);
-    }
-    else if (data->pixel_size == 2) {
-        guint16 *input = (guint16 *) buffer;
-        guint16 val = input[i];
-        g_snprintf (string, 32, "val = %i", val);
-        gtk_label_set_text (data->val_label, string);
-    }
-
-    g_snprintf (string, 32, "x = %i", data->side_x);
-    gtk_label_set_text (data->x_label, string);
-
-    g_snprintf (string, 32, "y = %i", data->side_y);
-    gtk_label_set_text (data->y_label, string);
-}
-
-static void
-on_motion_notify (GtkWidget *event_box, GdkEventMotion *event, ThreadData *data)
-{
-    gint page_width = gtk_adjustment_get_page_size (data->hadjustment);
-    gint page_height = gtk_adjustment_get_page_size (data->vadjustment);
-    gint start_wval = gtk_adjustment_get_value (data->hadjustment);
-    gint start_hval = gtk_adjustment_get_value (data->vadjustment);
-
-    page_width += start_wval;
-    page_height += start_hval;
-    data->rect_evx = event->x;
-    data->rect_evy = event->y;
-
-    if (data->display_width < page_width) {
-        gint startx = (page_width - data->display_width) / 2;
-        data->ev_x = event->x - startx;
-        if ((data->adj_width > 0) && (data->adj_height > 0))
-            data->display_x = event->x - ((page_width - data->adj_width) / 2) + data->from_x;
-        else
-            data->display_x = data->ev_x;
-    }
-    else {
-        data->ev_x = event->x;
-        if ((data->adj_width > 0) && (data->adj_height > 0)) {
-            if (data->adj_width >= page_width)
-                data->display_x = event->x + data->from_x;
-            else
-                data->display_x = event->x - ((page_width - data->adj_width) / 2) + data->from_x;
-        }
-        else {
-            data->display_x = data->ev_x;
-        }
-    }
-
-    if (data->display_height < page_height) {
-        gint starty = (page_height - data->display_height) / 2;
-        data->ev_y = event->y - starty;
-        if ((data->adj_width > 0) && (data->adj_height > 0))
-            data->display_y = event->y - ((page_height - data->adj_height) / 2) + data->from_y;
-        else
-            data->display_y = data->ev_y;
-    }
-    else {
-        data->ev_y = event->y;
-        if ((data->adj_width > 0) && (data->adj_height > 0)) {
-            if (data->adj_height >= page_height)
-                data->display_y = event->y + data->from_y;
-            else
-                data->display_y = event->y - ((page_height - data->adj_height) / 2) + data->from_y;
-        }
-        else {
-            data->display_y = data->ev_y;
-        }
-    }
-
-    if ((data->state != RUNNING) || ((data->ev_x >= 0 && data->ev_y >= 0) && (data->ev_y <= data->display_height && data->ev_x <= data->display_width))) {
-        update_sidebar (data, uca_ring_buffer_peek_pointer (data->buffer));
-    }
-
-    if (data->cr != NULL) {
-        gdouble dash = 5.0;
-        cairo_set_source_rgb (data->cr, data->red, data->green, data->blue);
-        gint rect_width = data->rect_evx - data->rect_x;
-        gint rect_height = data->rect_evy - data->rect_y;
-        cairo_rectangle (data->cr, data->rect_x, data->rect_y, rect_width, rect_height);
-        cairo_set_dash (data->cr, &dash, 1, 0);
-        cairo_stroke (data->cr);
-        gtk_widget_queue_draw (event_box);
-    }
-}
-
-static void
-normalize_event_coords (ThreadData *data)
-{
-    if (data->ev_x < 0)
-        data->ev_x = 0;
-
-    if (data->ev_y < 0)
-        data->ev_y = 0;
-
-    if (data->ev_x > data->display_width)
-        data->ev_x = data->display_width;
-
-    if (data->ev_y > data->display_height)
-        data->ev_y = data->display_height;
-}
-
-static void
-on_button_press (GtkWidget *event_box, GdkEventMotion *event, ThreadData *data)
-{
-    data->cr = gdk_cairo_create(event_box->window);
-    data->rect_x = event->x;
-    data->rect_y = event->y;
-
-    normalize_event_coords (data);
-
-    gtk_adjustment_set_upper (data->x_adjustment, data->display_width);
-    gtk_adjustment_set_upper (data->y_adjustment, data->display_height);
-    if (data->adj_width > 0 && data->adj_height > 0) {
-        gtk_adjustment_set_value (data->x_adjustment, data->display_x);
-        gtk_adjustment_set_value (data->y_adjustment, data->display_y);
-    }
-    else {
-        gtk_adjustment_set_value (data->x_adjustment, data->ev_x);
-        gtk_adjustment_set_value (data->y_adjustment, data->ev_y);
-    }
-
-    data->tmp_fromx = gtk_adjustment_get_value (GTK_ADJUSTMENT (data->x_adjustment));
-    data->tmp_fromy = gtk_adjustment_get_value (GTK_ADJUSTMENT (data->y_adjustment));
-
-    data->zoom_before = data->zoom_factor;
-}
-
-static void
-on_button_release (GtkWidget *event_box, GdkEventMotion *event, ThreadData *data)
-{
-    cairo_destroy (data->cr);
-    data->cr = NULL;
-
-    normalize_event_coords (data);
-
-    gtk_adjustment_set_upper (data->width_adjustment, data->display_width);
-    gtk_adjustment_set_upper (data->height_adjustment, data->display_height);
-    if (data->adj_width > 0 && data->adj_height > 0) {
-        gtk_adjustment_set_value (data->width_adjustment, data->display_x);
-        gtk_adjustment_set_value (data->height_adjustment, data->display_y);
-    }
-    else {
-        gtk_adjustment_set_value (data->width_adjustment, data->ev_x);
-        gtk_adjustment_set_value (data->height_adjustment, data->ev_y);
-    }
-
-    gint tmp_tox = gtk_adjustment_get_value (data->width_adjustment);
-    gint tmp_toy = gtk_adjustment_get_value (data->height_adjustment);
-
-    if (data->tmp_fromx > tmp_tox) {
-        data->from_x = tmp_tox;
-        data->to_x = data->tmp_fromx;
-    }
-    else {
-        data->from_x = data->tmp_fromx;
-        data->to_x = tmp_tox;
-    }
-    if (data->tmp_fromy > tmp_toy) {
-        data->from_y = tmp_toy;
-        data->to_y = data->tmp_fromy;
-    }
-    else {
-        data->from_y = data->tmp_fromy;
-        data->to_y = tmp_toy;
-    }
-
-    data->adj_width = data->to_x - data->from_x;
-    data->adj_height = data->to_y - data->from_y;
-
-    update_pixbuf_dimensions (data);
-    up_and_down_scale (data, uca_ring_buffer_peek_pointer (data->buffer));
-    update_pixbuf (data, uca_ring_buffer_peek_pointer (data->buffer));
-}
-
-
-static gboolean
-on_expose (GtkWidget *event_box, GdkEventExpose *event, ThreadData *data)
-{
-    if (data->cr != NULL) {
-        gdouble dash = 5.0;
-        cairo_set_source_rgb (data->cr, data->red, data->green, data->blue);
-        gint rect_width = data->rect_evx - data->rect_x;
-        gint rect_height = data->rect_evy - data->rect_y;
-        cairo_rectangle (data->cr, data->rect_x, data->rect_y, rect_width, rect_height);
-        cairo_set_dash (data->cr, &dash, 1, 0);
-        cairo_stroke (data->cr);
-        gtk_widget_queue_draw (event_box);
-    }
-    return FALSE;
-}
-
-static void
-update_pixbuf (ThreadData *data, gpointer buffer)
-{
-    gchar string[32];
-    gdouble mean;
-    gdouble sigma;
-    guint min;
-    guint max;
-    guint width;
-    guint height;
-    guint x = 0;
-    guint y = 0;
-    gint sub_x = 0;
-    gint sub_y = 0;
-    gint sub_width = 0;
-    gint sub_height = 0;
-
-    gdk_flush ();
-
-    if (data->sub_width != 0 || data->sub_height != 0) {
-        sub_width = data->sub_width;
-        sub_height = data->sub_height;
-    }
-    else {
-        sub_x = gtk_adjustment_get_value (data->hadjustment);
-        sub_y = gtk_adjustment_get_value (data->vadjustment);
-        if (sub_x == 0 && data->pixbuf_width == data->display_width)
-            sub_width = data->pixbuf_width - 1;
-        if (sub_y == 0 && data->pixbuf_height == data->display_height)
-            sub_height = data->pixbuf_height - 1;
-        if (sub_width != 0 && sub_height == 0)
-            sub_height = data->pixbuf_height;
-        if (sub_width == 0 && sub_height != 0)
-            sub_width = data->pixbuf_width;
-    }
-
-    if ((sub_width > 0 && sub_height > 0) && (data->pixbuf_width < data->page_width || data->pixbuf_height < data->page_height)) {
-        GdkPixbuf *subpixbuf = gdk_pixbuf_new_subpixbuf (data->pixbuf, sub_x, sub_y, sub_width, sub_height);
-        gtk_image_set_from_pixbuf (GTK_IMAGE (data->image), subpixbuf);
-    }
-    else {
-        gtk_image_set_from_pixbuf (GTK_IMAGE (data->image), data->pixbuf);
-    }
-    gtk_widget_queue_draw (data->image);
-
-    if (data->adj_width > 0 && data->adj_height > 0) {
-        x = data->from_x;
-        y = data->from_y;
-        width = data->pixbuf_width;
-        height = data->pixbuf_height;
-    }
-    else {
-        width = data->display_width;
-        height = data->display_height;
-    }
-
-    get_statistics (data, &mean, &sigma, &max, &min, buffer);
-
-    g_snprintf (string, 32, "\u03bc = %3.2f", mean);
-    gtk_label_set_text (data->mean_label, string);
-
-    g_snprintf (string, 32, "\u03c3 = %3.2f", sigma);
-    gtk_label_set_text (data->sigma_label, string);
-
-    g_snprintf (string, 32, "min = %i", min);
-    gtk_label_set_text (data->min_label, string);
-
-    g_snprintf (string, 32, "max = %i", max);
-    gtk_label_set_text (data->max_label, string);
-
-    g_snprintf (string, 32, "x = %i", x);
-    gtk_label_set_text (data->roix_label, string);
-
-    g_snprintf (string, 32, "y = %i", y);
-    gtk_label_set_text (data->roiy_label, string);
-
-    g_snprintf (string, 32, "width = %i", width);
-    gtk_label_set_text (data->roiw_label, string);
-
-    g_snprintf (string, 32, "height = %i", height);
-    gtk_label_set_text (data->roih_label, string);
-
-    if (gtk_toggle_button_get_active (data->histogram_button))
-        gtk_widget_queue_draw (data->histogram_view);
-}
-
-static void
-update_pixbuf_dimensions (ThreadData *data)
-{
-    if (data->pixbuf != NULL)
-        g_object_unref (data->pixbuf);
-
-    gint filling_up;
-    gint width_remainder;
-    gint height_remainder;
-    gint event_width;
-    gint event_height;
-
-    data->display_width = (gint) data->width * data->zoom_factor;
-    data->display_height = (gint) data->height * data->zoom_factor;
-    filling_up = data->pixel_size * 4;
-    data->resize_counter = 0;
-    data->sub_width = 0;
-    data->sub_height = 0;
-
-    if ((gint) data->zoom_factor == 32)
-        gtk_widget_set_sensitive (data->zoom_in_button, FALSE);
-    else
-        gtk_widget_set_sensitive (data->zoom_in_button, TRUE);
-
-    if (data->adj_width > 0 && data->adj_height > 0) {
-        gdouble zoom = data->zoom_factor / data->zoom_before;
-        data->from_x = gtk_adjustment_get_value (data->x_adjustment) * zoom;
-        data->from_y = gtk_adjustment_get_value (data->y_adjustment) * zoom;
-        data->to_x = gtk_adjustment_get_value (data->width_adjustment) * zoom;
-        data->to_y = gtk_adjustment_get_value (data->height_adjustment) * zoom;
-
-        gint adj_x = data->from_x;
-        gint adj_y = data->from_y;
-
-        if (data->from_x > data->to_x) {
-            data->from_x = data->to_x;
-            data->to_x = adj_x;
-        }
-        if (data->from_y > data->to_y) {
-            data->from_y = data->to_y;
-            data->to_y = adj_y;
-        }
-        data->adj_width = data->to_x - data->from_x;
-        data->adj_height = data->to_y - data->from_y;
-
-        if ((data->adj_width > data->page_width) && (data->stopped == FALSE))
-            data->pixbuf_width = data->page_width;
-        else
-            data->pixbuf_width = data->adj_width;
-
-        if ((data->adj_height > data->page_height) && (data->stopped == FALSE))
-            data->pixbuf_height = data->page_height;
-        else
-            data->pixbuf_height = data->adj_height;
-    }
-    else {
-        data->page_width = gtk_adjustment_get_page_size (data->hadjustment);
-        data->page_height = gtk_adjustment_get_page_size (data->vadjustment);
-
-        if (data->display_width <= data->page_width || data->stopped == TRUE || data->page_width == 1)
-            data->pixbuf_width = data->display_width - 1;
-        else
-            data->pixbuf_width = data->page_width;
-
-        if (data->display_height <= data->page_height || data->stopped == TRUE || data->page_height == 1)
-            data->pixbuf_height = data->display_height - 1;
-        else
-            data->pixbuf_height = data->page_height;
-    }
-
-    width_remainder = data->pixbuf_width % filling_up;
-    height_remainder = data->pixbuf_height % filling_up;
-
-    if (width_remainder != 0 || height_remainder != 0) {
-        data->sub_width = data->pixbuf_width;
-        data->sub_height = data->pixbuf_height;
-    }
-
-    if (width_remainder != 0)
-        data->pixbuf_width += (filling_up - width_remainder);
-    if (height_remainder != 0)
-        data->pixbuf_height += (filling_up - height_remainder);
-
-    event_width = data->pixbuf_width;
-    event_height = data->pixbuf_height;
-    if ((data->display_width > event_width) && (data->adj_width <= 0 || data->adj_height <= 0))
-        event_width = data->display_width;
-    else if ((data->adj_width > event_width) && (data->adj_width > 0 && data->adj_height > 0 && data->stopped == FALSE))
-        event_width = data->adj_width;
-
-    if ((data->display_height > event_height) && (data->adj_width <= 0 || data->adj_height <= 0))
-        event_height = data->display_height;
-    else if ((data->adj_height > event_height) && (data->adj_width > 0 && data->adj_height > 0 && data->stopped == FALSE))
-        event_height = data->adj_height;
-
-    gtk_widget_set_size_request (data->event_box, event_width, event_height);
-    data->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, data->pixbuf_width, data->pixbuf_height);
-    data->pixels = gdk_pixbuf_get_pixels (data->pixbuf);
-    gtk_image_set_from_pixbuf (GTK_IMAGE (data->image), data->pixbuf);
-}
-
-static void
-print_and_free_error (GError **error)
-{
-    g_printerr ("%s\n", (*error)->message);
-    g_error_free (*error);
-    *error = NULL;
-}
-
-static void
-set_tool_button_state (ThreadData *data)
-{
-    gtk_widget_set_sensitive (data->start_button,
-                              data->state == IDLE);
-    gtk_widget_set_sensitive (data->stop_button,
-                              data->state == RUNNING || data->state == RECORDING);
-    gtk_widget_set_sensitive (data->record_button,
-                              data->state == IDLE);
-    gtk_widget_set_sensitive (data->download_button,
-                              data->data_in_camram);
-    gtk_widget_set_sensitive (data->acquisition_expander,
-                              data->state == IDLE);
-    gtk_widget_set_sensitive (data->properties_expander,
-                              data->state == IDLE);
-    gtk_widget_set_sensitive (data->colormap_box,
-                              data->state == IDLE);
-}
-
-static gpointer
-preview_frames (void *args)
-{
-    ThreadData *data = (ThreadData *) args;
-    gint counter = 0;
-    GError *error = NULL;
-
-    data->n_recorded = 0;
-    data->shadow = g_malloc (uca_ring_buffer_get_block_size (data->buffer));
-
-    uca_camera_grab (data->camera, data->shadow, &error);
-
-    while (data->state == RUNNING) {
-        up_and_down_scale (data, data->shadow);
-        uca_camera_grab (data->camera, data->shadow, &error);
-
-        gdk_threads_enter ();
-
-        update_pixbuf (data, data->shadow);
-        egg_histogram_view_update (EGG_HISTOGRAM_VIEW (data->histogram_view), data->shadow);
-
-        if ((data->ev_x >= 0) && (data->ev_y >= 0) && (data->ev_y <= data->display_height) && (data->ev_x <= data->display_width)) {
-            update_sidebar (data, data->shadow);
-        }
-
-        gdk_threads_leave ();
-        counter++;
-    }
-
-    up_and_down_scale (data, data->shadow);
-    gdk_threads_enter ();
-    update_pixbuf (data, data->shadow);
-    gdk_threads_leave ();
-
-    gpointer buffer = uca_ring_buffer_get_write_pointer (data->buffer);
-    memcpy (buffer, data->shadow, uca_ring_buffer_get_block_size (data->buffer));
-    g_free (data->shadow);
-
-    return NULL;
-}
-
-static gpointer
-record_frames (gpointer args)
-{
-    ThreadData *data;
-    gpointer buffer;
-    guint n_max;
-    guint n_frames = 0;
-    GError *error = NULL;
-
-    data = (ThreadData *) args;
-    uca_ring_buffer_reset (data->buffer);
-
-    data->n_recorded = 0;
-    n_max = (guint) gtk_adjustment_get_value (data->count);
-
-    while (1) {
-        if (data->state != RECORDING)
-            break;
-
-        if (n_max > 0 && n_frames >= n_max)
-            break;
-
-        buffer = uca_ring_buffer_get_write_pointer (data->buffer);
-        uca_camera_grab (data->camera, buffer, NULL);
-        uca_ring_buffer_write_advance (data->buffer);
-
-        if (error == NULL) {
-            n_frames++;
-            data->n_recorded++;
-        }
-        else
-            print_and_free_error (&error);
-    }
-
-    if (n_max > 0) {
-        uca_camera_stop_recording (data->camera, NULL);
-        data->state = IDLE;
-        set_tool_button_state (data);
-    }
-
-    n_frames = uca_ring_buffer_get_num_blocks (data->buffer);
-
-    gdk_threads_enter ();
-    gtk_adjustment_set_upper (data->frame_slider, n_frames - 1);
-    gtk_adjustment_set_value (data->frame_slider, n_frames - 1);
-    gdk_threads_leave ();
-
-    return NULL;
-}
-
-gboolean
-on_delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
-{
-    return FALSE;
-}
-
-void
-on_destroy (GtkWidget *widget, ThreadData *data)
-{
-    data->state = IDLE;
-    g_object_unref (data->camera);
-    g_object_unref (data->buffer);
-    gtk_main_quit ();
-}
-
-static void
-update_current_frame (ThreadData *data)
-{
-    gpointer buffer;
-    guint index;
-    guint n_max;
-
-    index = (guint) gtk_adjustment_get_value (data->frame_slider);
-    n_max = uca_ring_buffer_get_num_blocks (data->buffer);
-
-    if (n_max > 0 && data->n_recorded > 0) {
-        /* Shift index so that we always show the oldest frames first */
-        index = (index + data->n_recorded - n_max) % n_max;
-        buffer = uca_ring_buffer_get_pointer (data->buffer, index);
-    }
-    else {
-        /* we were in preview mode. Grab the 'next' frame in the buffer */
-        uca_ring_buffer_write_advance (data->buffer);
-        buffer = uca_ring_buffer_get_read_pointer (data->buffer);
-    }
-
-    egg_histogram_view_update (EGG_HISTOGRAM_VIEW (data->histogram_view), buffer);
-    up_and_down_scale (data, buffer);
-    update_pixbuf (data, buffer);
-}
-
-static void
-on_frame_slider_changed (GtkAdjustment *adjustment, ThreadData *data)
-{
-    if (data->state == IDLE)
-        update_current_frame (data);
-}
-
-static gboolean
-write_raw_file (const gchar *filename, UcaRingBuffer *buffer)
-{
-    FILE *fp;
-    guint n_blocks;
-    gsize size;
-
-    fp = fopen (filename, "wb");
-
-    if (fp == NULL)
-        return FALSE;
-
-    n_blocks = uca_ring_buffer_get_num_blocks (buffer);
-    size = uca_ring_buffer_get_block_size (buffer);
-
-    for (guint i = 0; i < n_blocks; i++)
-        fwrite (uca_ring_buffer_get_pointer (buffer, i), size , 1, fp);
-
-    fclose (fp);
-    return TRUE;
-}
-
-static void
-on_save (GtkMenuItem *item, ThreadData *data)
-{
-    GtkWidget *dialog;
-
-    dialog = gtk_file_chooser_dialog_new ("Save Frames", NULL,
-                                          GTK_FILE_CHOOSER_ACTION_SAVE,
-                                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
-                                          GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
-                                          NULL);
-
-    if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT) {
-        gchar *filename;
-
-        filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
-        write_raw_file (filename, data->buffer);
-        g_free (filename);
-    }
-
-    gtk_widget_destroy (dialog);
-}
-
-static void
-on_start_button_clicked (GtkWidget *widget, ThreadData *data)
-{
-    GError *error = NULL;
-    data->stopped = FALSE;
-    update_pixbuf_dimensions (data);
-
-    uca_camera_start_recording (data->camera, &error);
-
-    if (error != NULL) {
-        g_printerr ("Failed to start recording: %s\n", error->message);
-        return;
-    }
-
-    data->state = RUNNING;
-    set_tool_button_state (data);
-
-    if (!g_thread_create (preview_frames, data, FALSE, &error)) {
-        g_printerr ("Failed to create thread: %s\n", error->message);
-        data->state = IDLE;
-        set_tool_button_state (data);
-    }
-}
-
-static void
-on_stop_button_clicked (GtkWidget *widget, ThreadData *data, GtkAdjustment *adjustment)
-{
-    GError *error = NULL;
-
-    g_object_get (data->camera, "has-camram-recording", &data->data_in_camram, NULL);
-    data->state = IDLE;
-    set_tool_button_state (data);
-    uca_camera_stop_recording (data->camera, &error);
-    data->stopped = TRUE;
-    update_pixbuf_dimensions (data);
-
-    on_frame_slider_changed (adjustment, data);
-
-    if (error != NULL)
-        g_printerr ("Failed to stop: %s\n", error->message);
-
-}
-
-static void
-on_record_button_clicked (GtkWidget *widget, ThreadData *data)
-{
-    GError *error = NULL;
-
-    uca_camera_start_recording (data->camera, &error);
-
-    if (error != NULL) {
-        g_printerr ("Failed to start recording: %s\n", error->message);
-    }
-
-    data->timestamp = (int) time (0);
-    data->state = RECORDING;
-    set_tool_button_state (data);
-
-    if (!g_thread_create (record_frames, data, FALSE, &error)) {
-        g_printerr ("Failed to create thread: %s\n", error->message);
-        data->state = IDLE;
-        set_tool_button_state (data);
-    }
-}
-
-static gpointer
-download_frames (ThreadData *data)
-{
-    gpointer buffer;
-    guint n_frames;
-    guint current_frame = 1;
-    GError *error = NULL;
-
-    g_object_get (data->camera, "recorded-frames", &n_frames, NULL);
-    gdk_threads_enter ();
-    gtk_adjustment_set_upper (data->download_adjustment, n_frames);
-    gdk_threads_leave ();
-
-    uca_camera_start_readout (data->camera, &error);
-
-    if (error != NULL) {
-        g_printerr ("Failed to start read out of camera memory: %s\n", error->message);
-        return NULL;
-    }
-
-    uca_ring_buffer_reset (data->buffer);
-
-    while (error == NULL) {
-        buffer = uca_ring_buffer_get_write_pointer (data->buffer);
-        uca_camera_grab (data->camera, buffer, &error);
-        uca_ring_buffer_write_advance (data->buffer);
-
-        gdk_threads_enter ();
-        gtk_adjustment_set_value (data->download_adjustment, current_frame++);
-        gdk_threads_leave ();
-    }
-
-    if (error->code == UCA_CAMERA_ERROR_END_OF_STREAM) {
-        guint n_frames = uca_ring_buffer_get_num_blocks (data->buffer);
-
-        gtk_adjustment_set_upper (data->frame_slider, n_frames - 1);
-        gtk_adjustment_set_value (data->frame_slider, n_frames - 1);
-    }
-    else
-        g_printerr ("Error while reading out frames: %s\n", error->message);
-
-    g_error_free (error);
-    error = NULL;
-
-    uca_camera_stop_readout (data->camera, &error);
-
-    if (error != NULL)
-        g_printerr ("Failed to stop reading out of camera memory: %s\n", error->message);
-
-    gdk_threads_enter ();
-    gtk_dialog_response (data->download_dialog, GTK_RESPONSE_OK);
-    gdk_threads_leave ();
-
-    return NULL;
-}
-
-static void
-on_download_button_clicked (GtkWidget *widget, ThreadData *data)
-{
-    GError *error = NULL;
-
-    if (!g_thread_create ((GThreadFunc) download_frames, data, FALSE, &error)) {
-        g_printerr ("Failed to create thread: %s\n", error->message);
-    }
-
-    gtk_widget_set_sensitive (data->main_window, FALSE);
-    gtk_window_set_modal (GTK_WINDOW (data->download_dialog), TRUE);
-    gtk_dialog_run (data->download_dialog);
-    gtk_widget_hide (GTK_WIDGET (data->download_dialog));
-    gtk_window_set_modal (GTK_WINDOW (data->download_dialog), FALSE);
-    gtk_widget_set_sensitive (data->main_window, TRUE);
-    gtk_window_set_modal (GTK_WINDOW (data->download_dialog), TRUE);
-}
-
-static void
-update_zoomed_pixbuf (ThreadData *data)
-{
-    if (data->state == RUNNING) {
-        up_and_down_scale (data, uca_ring_buffer_peek_pointer (data->buffer));
-        update_pixbuf (data, uca_ring_buffer_peek_pointer (data->buffer));
-        update_pixbuf_dimensions (data);
-    }
-    else {
-        update_pixbuf_dimensions (data);
-        up_and_down_scale (data, uca_ring_buffer_peek_pointer (data->buffer));
-        update_pixbuf (data, uca_ring_buffer_peek_pointer (data->buffer));
-    }
-
-    gint min_x;
-    gint min_y;
-    gint zoomed_min_x;
-    gint zoomed_min_y;
-
-    min_x = gtk_adjustment_get_value(data->hadjustment);
-    min_y = gtk_adjustment_get_value(data->vadjustment);
-
-    if ((data->percent_width != 0.0) || (data->percent_height != 0.0)) {
-        if (min_x != 0) {
-            zoomed_min_x = data->percent_width * (data->width * data->zoom_factor - data->page_width);
-            gtk_adjustment_set_value (data->hadjustment, zoomed_min_x);
-        }
-        if (min_y != 0) {
-            zoomed_min_y = data->percent_height * (data->height * data->zoom_factor - data->page_height);
-            gtk_adjustment_set_value (data->vadjustment, zoomed_min_y);
-        }
-    }
-}
-
-static void
-on_zoom_in_button_clicked (GtkWidget *widget, ThreadData *data)
-{
-    data->zoom_factor *= 2;
-    update_zoomed_pixbuf (data);
-}
-
-static void
-on_zoom_out_button_clicked (GtkWidget *widget, ThreadData *data)
-{
-    data->zoom_factor /= 2;
-    update_zoomed_pixbuf (data);
-}
-
-static void
-on_zoom_normal_button_clicked (GtkWidget *widget, ThreadData *data)
-{
-    data->zoom_factor = 1.0;
-    update_zoomed_pixbuf (data);
-}
-
-static void
-on_rect_color_button_clicked (GtkWidget *widget, ThreadData *data)
-{
-    if ((data->red == 0.0 && data->green == 0.0) && data->blue == 0.0) {
-        data->red = 1.0;
-        data->green = 1.0;
-        data->blue = 1.0;
-    }
-    else {
-        data->red = 0.0;
-        data->green = 0.0;
-        data->blue = 0.0;
-    }
-}
-
-static void
-on_histogram_changed (EggHistogramView *view, ThreadData *data)
-{
-    if (data->state == IDLE)
-        update_current_frame (data);
-}
-
-static void
-on_colormap_changed (GtkComboBox *widget, ThreadData *data)
-{
-    GtkTreeModel *model;
-    GtkTreeIter iter;
-    gint map;
-
-    enum {
-        DISPLAY2_COLUMN,
-        MAP_COLUMN
-    };
-
-    model = gtk_combo_box_get_model (widget);
-    gtk_combo_box_get_active_iter (widget, &iter);
-    gtk_tree_model_get (model, &iter, MAP_COLUMN, &map, -1);
-
-    data->colormap = map;
-    update_pixbuf_dimensions (data);
-
-    up_and_down_scale (data, uca_ring_buffer_peek_pointer (data->buffer));
-    update_pixbuf (data, uca_ring_buffer_peek_pointer (data->buffer));
-}
-
-static void
-update_ring_buffer_dimensions (ThreadData *data)
-{
-    gsize image_size;
-    guint num_frames;
-
-    image_size = data->pixel_size * data->width * data->height;
-    num_frames = mem_size  * 1024 * 1024 / image_size;
-
-    if (data->buffer != NULL)
-        g_object_unref (data->buffer);
-
-    data->buffer = uca_ring_buffer_new (image_size, num_frames);
-    g_message ("Allocated memory for %d frames", num_frames);
-}
-
-static void
-on_roi_width_changed (GObject *object, GParamSpec *pspec, ThreadData *data)
-{
-    g_object_get (object, "roi-width", &data->width, NULL);
-    update_ring_buffer_dimensions (data);
-    update_pixbuf_dimensions (data);
-}
-
-static void
-on_roi_height_changed (GObject *object, GParamSpec *pspec, ThreadData *data)
-{
-    g_object_get (object, "roi-height", &data->height, NULL);
-    update_ring_buffer_dimensions (data);
-    update_pixbuf_dimensions (data);
-}
-
-static void
-on_sensor_bitdepth_changed (GObject *object, GParamSpec *pspec, ThreadData *data)
-{
-    guint bitdepth;
-    gdouble max_value;
-    g_object_get (object, "sensor-bitdepth", &bitdepth, NULL);
-    data->pixel_size = bitdepth > 8 ? 2 : 1;
-    max_value = pow (2, bitdepth);
-    egg_histogram_view_set_max (EGG_HISTOGRAM_VIEW (data->histogram_view), max_value);
-    update_ring_buffer_dimensions (data);
-}
-
-static void
-create_main_window (GtkBuilder *builder, const gchar* camera_name)
-{
-    static ThreadData td;
-    UcaCamera *camera;
-    GtkWidget *window;
-    GtkWidget *image;
-    GtkWidget *histogram_view;
-    GtkWidget *property_tree_view;
-    GdkPixbuf *pixbuf;
-    GtkBox    *histogram_box;
-    GtkAdjustment   *max_bin_adjustment;
-    guint bits_per_sample;
-    guint width, height;
-    GError  *error = NULL;
-
-    camera = uca_plugin_manager_get_camera (plugin_manager, camera_name, &error, NULL);
-
-    if ((camera == NULL) || (error != NULL)) {
-        if (error) {
-            g_error ("%s\n", error->message);
-        }
-        else {
-            g_error ("Failed to load '%s' camera plugin for an unknown reason\n", camera_name);
-        }
-        gtk_main_quit ();
-    }
-
-    g_object_get (camera,
-                  "roi-width", &width,
-                  "roi-height", &height,
-                  "sensor-bitdepth", &bits_per_sample,
-                  NULL);
-
-    memset (&td, 0, sizeof (td));
-
-    g_signal_connect (camera, "notify::roi-width", (GCallback) on_roi_width_changed, &td);
-    g_signal_connect (camera, "notify::roi-height", (GCallback) on_roi_height_changed, &td);
-    g_signal_connect (camera, "notify::sensor-bitdepth", (GCallback) on_sensor_bitdepth_changed, &td);
-
-    histogram_view      = egg_histogram_view_new (width * height, bits_per_sample, 256);
-    property_tree_view  = egg_property_tree_view_new (G_OBJECT (camera));
-    image               = GTK_WIDGET (gtk_builder_get_object (builder, "image"));
-    histogram_box       = GTK_BOX (gtk_builder_get_object (builder, "histogram-box"));
-    window              = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
-    max_bin_adjustment  = GTK_ADJUSTMENT (gtk_builder_get_object (builder, "max-bin-value-adjustment"));
-
-    td.acquisition_expander = GTK_WIDGET (gtk_builder_get_object (builder, "acquisition-expander"));
-    td.properties_expander  = GTK_WIDGET (gtk_builder_get_object (builder, "properties-expander"));
-
-    td.colormap_box     = GTK_WIDGET (gtk_builder_get_object (builder, "colormap-box"));
-    td.start_button     = GTK_WIDGET (gtk_builder_get_object (builder, "start-button"));
-    td.stop_button      = GTK_WIDGET (gtk_builder_get_object (builder, "stop-button"));
-    td.record_button    = GTK_WIDGET (gtk_builder_get_object (builder, "record-button"));
-    td.download_button  = GTK_WIDGET (gtk_builder_get_object (builder, "download-button"));
-    td.zoom_in_button   = GTK_WIDGET (gtk_builder_get_object (builder, "zoom-in-button"));
-    td.zoom_out_button  = GTK_WIDGET (gtk_builder_get_object (builder, "zoom-out-button"));
-    td.zoom_normal_button = GTK_WIDGET (gtk_builder_get_object (builder, "zoom-normal-button"));
-    td.rect_color_button = GTK_WIDGET (gtk_builder_get_object (builder, "rectangle-button"));
-    td.download_button  = GTK_WIDGET (gtk_builder_get_object (builder, "download-button"));
-    td.histogram_button = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "histogram-checkbutton"));
-    td.log_button       = GTK_TOGGLE_BUTTON (gtk_builder_get_object (builder, "logarithm-checkbutton"));
-    td.frame_slider     = GTK_ADJUSTMENT (gtk_builder_get_object (builder, "frames-adjustment"));
-    td.count            = GTK_ADJUSTMENT (gtk_builder_get_object (builder, "acquisitions-adjustment"));
-
-    td.hadjustment      = GTK_ADJUSTMENT (gtk_builder_get_object(builder, "hadjustment"));
-    td.vadjustment      = GTK_ADJUSTMENT (gtk_builder_get_object(builder, "vadjustment"));
-    td.x_adjustment      = GTK_ADJUSTMENT (gtk_builder_get_object(builder, "x_adjustment"));
-    td.y_adjustment      = GTK_ADJUSTMENT (gtk_builder_get_object(builder, "y_adjustment"));
-    td.width_adjustment  = GTK_ADJUSTMENT (gtk_builder_get_object(builder, "width_adjustment"));
-    td.height_adjustment = GTK_ADJUSTMENT (gtk_builder_get_object(builder, "height_adjustment"));
-    td.event_box        = GTK_WIDGET (gtk_builder_get_object(builder, "eventbox"));
-
-    td.mean_label       = GTK_LABEL (gtk_builder_get_object (builder, "mean-label"));
-    td.sigma_label      = GTK_LABEL (gtk_builder_get_object (builder, "sigma-label"));
-    td.max_label        = GTK_LABEL (gtk_builder_get_object (builder, "max-label"));
-    td.min_label        = GTK_LABEL (gtk_builder_get_object (builder, "min-label"));
-
-    td.x_label          = GTK_LABEL (gtk_builder_get_object (builder, "x-label1"));
-    td.y_label          = GTK_LABEL (gtk_builder_get_object (builder, "y-label1"));
-    td.val_label        = GTK_LABEL (gtk_builder_get_object (builder, "val-label1"));
-    td.roix_label        = GTK_LABEL (gtk_builder_get_object (builder, "roix-label"));
-    td.roiy_label        = GTK_LABEL (gtk_builder_get_object (builder, "roiy-label"));
-    td.roiw_label        = GTK_LABEL (gtk_builder_get_object (builder, "roiw-label"));
-    td.roih_label        = GTK_LABEL (gtk_builder_get_object (builder, "roih-label"));
-
-    td.download_dialog  = GTK_DIALOG (gtk_builder_get_object (builder, "download-dialog"));
-    td.download_adjustment = GTK_ADJUSTMENT (gtk_builder_get_object (builder, "download-adjustment"));
-
-    /* Set initial data */
-    td.pixel_size = bits_per_sample > 8 ? 2 : 1;
-    td.width  = td.display_width = width;
-    td.height = td.display_height = height;
-    update_ring_buffer_dimensions (&td);
-
-    egg_histogram_view_update (EGG_HISTOGRAM_VIEW (histogram_view),
-                               uca_ring_buffer_peek_pointer (td.buffer));
-
-    pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, width, height);
-    gtk_image_set_from_pixbuf (GTK_IMAGE (image), pixbuf);
-
-    gtk_adjustment_set_value (max_bin_adjustment, pow (2, bits_per_sample) - 1);
-    gtk_adjustment_set_upper (td.count, (gdouble) G_MAXULONG);
-
-    td.image  = image;
-    td.state  = IDLE;
-    td.camera = camera;
-    td.zoom_factor = 1.0;
-    td.colormap = 1;
-    td.histogram_view = histogram_view;
-    td.data_in_camram = FALSE;
-    td.stopped = TRUE;
-    td.main_window = window;
-
-    update_pixbuf_dimensions (&td);
-    set_tool_button_state (&td);
-
-    /* Hook up signals */
-    g_object_bind_property (gtk_builder_get_object (builder, "min-bin-value-adjustment"), "value",
-                            td.histogram_view, "minimum-bin-value",
-                            G_BINDING_BIDIRECTIONAL);
-
-    g_object_bind_property (max_bin_adjustment, "value",
-                            td.histogram_view, "maximum-bin-value",
-                            G_BINDING_BIDIRECTIONAL);
-
-    g_object_bind_property (gtk_builder_get_object (builder, "repeat-checkbutton"), "active",
-                            gtk_builder_get_object (builder, "repeat-box"), "sensitive", 0);
-
-    g_object_bind_property (camera, "exposure-time",
-                            gtk_builder_get_object (builder, "exposure-adjustment"), "value",
-                            G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
-
-    g_signal_connect (gtk_builder_get_object (builder, "save-item"),
-                      "activate", G_CALLBACK (on_save), &td);
-
-    g_signal_connect (gtk_builder_get_object (builder, "colormap-box"),
-                      "changed", G_CALLBACK (on_colormap_changed), &td);
-
-    g_signal_connect (td.event_box, "motion-notify-event", G_CALLBACK (on_motion_notify), &td);
-    g_signal_connect (td.event_box, "button-press-event", G_CALLBACK (on_button_press), &td);
-    g_signal_connect (td.event_box, "button-release-event", G_CALLBACK (on_button_release), &td);
-    g_signal_connect (td.event_box, "expose-event", G_CALLBACK (on_expose), &td);
-    g_signal_connect (td.frame_slider, "value-changed", G_CALLBACK (on_frame_slider_changed), &td);
-    g_signal_connect (td.start_button, "clicked", G_CALLBACK (on_start_button_clicked), &td);
-    g_signal_connect (td.stop_button, "clicked", G_CALLBACK (on_stop_button_clicked), &td);
-    g_signal_connect (td.record_button, "clicked", G_CALLBACK (on_record_button_clicked), &td);
-    g_signal_connect (td.download_button, "clicked", G_CALLBACK (on_download_button_clicked), &td);
-    g_signal_connect (td.zoom_in_button, "clicked", G_CALLBACK (on_zoom_in_button_clicked), &td);
-    g_signal_connect (td.zoom_out_button, "clicked", G_CALLBACK (on_zoom_out_button_clicked), &td);
-    g_signal_connect (td.zoom_normal_button, "clicked", G_CALLBACK (on_zoom_normal_button_clicked), &td);
-    g_signal_connect (td.rect_color_button, "clicked", G_CALLBACK (on_rect_color_button_clicked), &td);
-    g_signal_connect (histogram_view, "changed", G_CALLBACK (on_histogram_changed), &td);
-    g_signal_connect (window, "destroy", G_CALLBACK (on_destroy), &td);
-
-    /* Layout */
-    gtk_container_add (GTK_CONTAINER (gtk_builder_get_object (builder, "property-window")),
-                       property_tree_view);
-    gtk_box_pack_start (histogram_box, td.histogram_view, TRUE, TRUE, 6);
-    gtk_box_reorder_child (histogram_box, GTK_WIDGET (td.histogram_button), 2);
-
-    gtk_widget_show_all (window);
-}
-
-static void
-on_button_proceed_clicked (GtkWidget *widget, gpointer data)
-{
-    GtkBuilder *builder = GTK_BUILDER (data);
-    GtkWidget *choice_window = GTK_WIDGET (gtk_builder_get_object (builder, "choice-window"));
-    GtkTreeView *treeview = GTK_TREE_VIEW (gtk_builder_get_object (builder, "treeview-cameras"));
-    GtkListStore *list_store = GTK_LIST_STORE (gtk_builder_get_object (builder, "camera-types"));
-
-    GtkTreeSelection *selection = gtk_tree_view_get_selection (treeview);
-    GList *selected_rows = gtk_tree_selection_get_selected_rows (selection, NULL);
-    GtkTreeIter iter;
-
-    gtk_widget_destroy (choice_window);
-    gboolean valid = gtk_tree_model_get_iter (GTK_TREE_MODEL (list_store), &iter, selected_rows->data);
-
-    if (valid) {
-        gchar *data;
-        gtk_tree_model_get (GTK_TREE_MODEL (list_store), &iter, 0, &data, -1);
-        create_main_window (builder, data);
-        g_free (data);
-    }
-
-    g_list_foreach (selected_rows, (GFunc) gtk_tree_path_free, NULL);
-    g_list_free (selected_rows);
-}
-
-static void
-on_treeview_keypress (GtkWidget *widget, GdkEventKey *event, gpointer data)
-{
-    if (event->keyval == GDK_KEY_Return)
-        gtk_widget_grab_focus (GTK_WIDGET (data));
-}
-
-static void
-create_choice_window (GtkBuilder *builder)
-{
-    GList *camera_types = uca_plugin_manager_get_available_cameras (plugin_manager);
-
-    GtkWidget *choice_window = GTK_WIDGET (gtk_builder_get_object (builder, "choice-window"));
-    GtkTreeView *treeview = GTK_TREE_VIEW (gtk_builder_get_object (builder, "treeview-cameras"));
-    GtkListStore *list_store = GTK_LIST_STORE (gtk_builder_get_object (builder, "camera-types"));
-    GtkButton *proceed_button = GTK_BUTTON (gtk_builder_get_object (builder, "proceed-button"));
-    GtkTreeIter iter;
-
-    for (GList *it = g_list_first (camera_types); it != NULL; it = g_list_next (it)) {
-        gtk_list_store_append (list_store, &iter);
-        gtk_list_store_set (list_store, &iter, 0, g_strdup ((gchar *) it->data), -1);
-    }
-
-    gboolean valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (list_store), &iter);
-
-    if (valid) {
-        GtkTreeSelection *selection = gtk_tree_view_get_selection (treeview);
-        gtk_tree_selection_unselect_all (selection);
-        gtk_tree_selection_select_path (selection, gtk_tree_model_get_path (GTK_TREE_MODEL (list_store), &iter));
-    }
-
-    g_signal_connect (proceed_button, "clicked", G_CALLBACK (on_button_proceed_clicked), builder);
-    g_signal_connect (treeview, "key-press-event", G_CALLBACK (on_treeview_keypress), proceed_button);
-    gtk_widget_show_all (GTK_WIDGET (choice_window));
-
-    g_list_foreach (camera_types, (GFunc) g_free, NULL);
-    g_list_free (camera_types);
-}
-
-int
-main (int argc, char *argv[])
-{
-    GtkBuilder *builder;
-    GOptionContext *context;
-    GError *error = NULL;
-    static gchar *camera_name = NULL;
-
-    static GOptionEntry entries[] =
-    {
-        { "mem-size", 'm', 0, G_OPTION_ARG_INT, &mem_size, "Memory in megabytes to allocate for frame storage", "M" },
-        { "camera", 'c', 0, G_OPTION_ARG_STRING, &camera_name, "Default camera (skips choice window)", "NAME" },
-        { NULL }
-    };
-
-    context = g_option_context_new ("- control libuca cameras");
-    g_option_context_add_main_entries (context, entries, NULL);
-    g_option_context_add_group (context, gtk_get_option_group (TRUE));
-
-    if (!g_option_context_parse (context, &argc, &argv, &error)) {
-        g_print ("Option parsing failed: %s\n", error->message);
-        return 1;
-    }
-
-    g_thread_init (NULL);
-    gdk_threads_init ();
-    gtk_init (&argc, &argv);
-
-    builder = gtk_builder_new ();
-
-    if (!gtk_builder_add_from_file (builder, CONTROL_GLADE_PATH, &error)) {
-        g_warning ("Cannot load UI: `%s'. Trying in current working directory.", error->message);
-        g_error_free (error);
-        error = NULL;
-
-        if (!gtk_builder_add_from_file (builder, "control.glade", &error)) {
-            g_warning ("Cannot load UI: `%s'.", error->message);
-            return 1;
-        }
-    }
-
-    plugin_manager = uca_plugin_manager_new ();
-    gtk_builder_connect_signals (builder, NULL);
-
-    if (camera_name != NULL)
-        create_main_window (builder, camera_name);
-    else
-        create_choice_window (builder);
-
-    gdk_threads_enter ();
-    gtk_main ();
-    gdk_threads_leave ();
-
-    g_object_unref (plugin_manager);
-    return 0;
-}