From c7d87b9c4a2b220886aea7a6eb025685c57e950a Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
Date: Tue, 16 Jul 2013 12:31:24 +0200
Subject: Save acquired data as binary blob

---
 bin/gui/control.c     | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 bin/gui/control.glade | 10 +---------
 2 files changed, 47 insertions(+), 9 deletions(-)

(limited to 'bin')

diff --git a/bin/gui/control.c b/bin/gui/control.c
index 76b1345..ea150f3 100644
--- a/bin/gui/control.c
+++ b/bin/gui/control.c
@@ -332,6 +332,50 @@ on_frame_slider_changed (GtkAdjustment *adjustment, ThreadData *data)
         update_current_frame (data);
 }
 
+static gboolean
+write_raw_file (const gchar *filename, RingBuffer *buffer)
+{
+    FILE *fp;
+    guint n_blocks;
+    gsize size;
+
+    fp = fopen (filename, "wb");
+
+    if (fp == NULL)
+        return FALSE;
+
+    n_blocks = ring_buffer_get_num_blocks (buffer);
+    size = ring_buffer_get_block_size (buffer);
+
+    for (guint i = 0; i < n_blocks; i++)
+        fwrite (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)
 {
@@ -612,6 +656,8 @@ create_main_window (GtkBuilder *builder, const gchar* camera_name)
                             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 (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);
diff --git a/bin/gui/control.glade b/bin/gui/control.glade
index 179eb2c..2b87806 100644
--- a/bin/gui/control.glade
+++ b/bin/gui/control.glade
@@ -54,21 +54,13 @@
                       </object>
                     </child>
                     <child>
-                      <object class="GtkImageMenuItem" id="imagemenuitem3">
+                      <object class="GtkImageMenuItem" id="save-item">
                         <property name="label">gtk-save</property>
                         <property name="visible">True</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
                       </object>
                     </child>
-                    <child>
-                      <object class="GtkImageMenuItem" id="imagemenuitem4">
-                        <property name="label">gtk-save-as</property>
-                        <property name="visible">True</property>
-                        <property name="use_underline">True</property>
-                        <property name="use_stock">True</property>
-                      </object>
-                    </child>
                     <child>
                       <object class="GtkSeparatorMenuItem" id="separatormenuitem1">
                         <property name="visible">True</property>
-- 
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