Added ROI.

2 files changed, 109 insertions, 33 deletions

diff --git a/bin/gui/control.c b/bin/gui/control.c
index 69a2cda..504eb86 100644
--- a/bin/gui/control.c
+++ b/bin/gui/control.c
@@ -56,6 +56,10 @@ typedef struct {
     GtkWidget       *download_close_button;
     GtkAdjustment   *download_adjustment;
     GtkAdjustment   *count;
+    GtkAdjustment   *hadjustment, *vadjustment;
+
+    GtkPaned  *paned;
+    GtkRequisition child_requisition;
 
     GtkWidget       *histogram_view;
     GtkToggleButton *histogram_button;
@@ -65,6 +69,7 @@ typedef struct {
     RingBuffer  *buffer;
     guchar      *pixels;
     gint         display_width, display_height;
+    gint         page_width, page_height;
     gdouble      zoom_factor;
     State        state;
     guint        n_recorded;
@@ -76,7 +81,7 @@ typedef struct {
 } ThreadData;
 
 static UcaPluginManager *plugin_manager;
-static gsize mem_size = 2048;
+static gsize mem_size = 2048; 
 
 static void
 down_scale (ThreadData *data, gpointer buffer)
@@ -87,55 +92,80 @@ down_scale (ThreadData *data, gpointer buffer)
     gdouble dval;
     guint8 *output;
     gint stride;
-    gint i = 0;   
+    gint i = 0;
+    gint start_wval;
+    gint start_hval;
 
     egg_histogram_get_range (EGG_HISTOGRAM_VIEW (data->histogram_view), &min, &max);
     factor = 255.0 / (max - min);
     output = data->pixels;
     stride = (gint) 1 / data->zoom_factor;
 
+    if (data->state == RUNNING) {
+        gint page_width = gtk_adjustment_get_page_size (GTK_ADJUSTMENT (data->hadjustment));
+        gint page_height = gtk_adjustment_get_page_size (GTK_ADJUSTMENT (data->vadjustment));
+        start_wval = gtk_adjustment_get_value (GTK_ADJUSTMENT (data->hadjustment));
+        start_hval = gtk_adjustment_get_value (GTK_ADJUSTMENT (data->vadjustment));
+        data->page_width = (page_width + start_wval);
+        data->page_height = (page_height + start_hval);
+    } else {
+        start_wval = 0;
+        start_hval = 0;
+        data->page_width = data->display_width;
+        data->page_height = data->display_height;
+    }
+
     if (data->pixel_size == 1) {
         guint8 *input = (guint8 *) buffer;
 
-        for (gint y = 0; y < data->display_height; y++) {
+        for (gint y = 0; y < data->display_height; y++){                  
             gint offset = y * stride * data->width;
 
             for (gint x = 0; x < data->display_width; x++, offset += stride) {
-                
-                if (gtk_toggle_button_get_active (data->log_button))
-                {
-                    dval = log((input[offset] - min) * factor);
-                } else {
-                    dval = (input[offset] - min) * factor;
+
+                if (y >= start_hval && y < data->page_height) {
+                    if (x >= start_wval && x < data->page_width) {
+
+                        if (gtk_toggle_button_get_active (data->log_button))
+                        {
+                            dval = log((input[offset] - min) * factor);
+                        } else { 
+                            dval = (input[offset] - min) * factor;
+                        }
+                    }
                 }
                 guchar val = (guchar) CLAMP(dval, 0.0, 255.0);
 
                 output[i++] = val;
                 output[i++] = val;
-                output[i++] = val;
+                output[i++] = val;  
             }
         }
     }
     else if (data->pixel_size == 2) {
         guint16 *input = (guint16 *) buffer;
 
-        for (gint y = 0; y < data->display_height; y++) {
+        for (gint y = 0; y < data->display_height; y++){                  
             gint offset = y * stride * data->width;
 
             for (gint x = 0; x < data->display_width; x++, offset += stride) {
 
-                if (gtk_toggle_button_get_active (data->log_button))
-                {
-                    dval = log((input[offset] - min) * factor);
-                } else {
-                    dval = (input[offset] - min) * factor;
+                if (y >= start_hval && y < data->page_height) {
+                    if (x >= start_wval && x < data->page_width) {
+
+                        if (gtk_toggle_button_get_active (data->log_button))
+                        {
+                            dval = log((input[offset] - min) * factor);
+                        } else { 
+                            dval = (input[offset] - min) * factor;
+                        }
+                    }
                 }
                 guchar val = (guchar) CLAMP(dval, 0.0, 255.0);
 
                 output[i++] = val;
                 output[i++] = val;
-                output[i++] = val;
-                
+                output[i++] = val;      
             }
         }
     }
@@ -151,24 +181,45 @@ up_scale (ThreadData *data, gpointer buffer)
     guint8 *output;
     gint i = 0;
     gint zoom;
+    gint start_wval; 
+    gint start_hval;
 
     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;
 
+    if (data->state == RUNNING) {
+        gint page_width = gtk_adjustment_get_page_size (GTK_ADJUSTMENT (data->hadjustment));
+        gint page_height = gtk_adjustment_get_page_size (GTK_ADJUSTMENT (data->vadjustment));
+        start_wval = gtk_adjustment_get_value (GTK_ADJUSTMENT (data->hadjustment));
+        start_hval = gtk_adjustment_get_value (GTK_ADJUSTMENT (data->vadjustment));
+        data->page_width = (page_width + start_wval);
+        data->page_height = (page_height + start_hval);
+    } else {
+        start_wval = 0;
+        start_hval = 0;
+        data->page_width = data->display_width;
+        data->page_height = data->display_height;
+    }
+
     if (data->pixel_size == 1) {
         guint8 *input = (guint8 *) buffer;
 
         for (gint y = 0; y < data->display_height; y++) {
             for (gint x = 0; x < data->display_width; x++) {
                 gint offset = ((gint) (y / zoom) * data->width) + ((gint) (x / zoom));
-                
-                if (gtk_toggle_button_get_active (data->log_button))
-                {
-                    dval = log((input[offset] - min) * factor);
-                } else {
-                    dval = (input[offset] - min) * factor;
+
+                if (y >= start_hval && y < data->page_height) {
+                    if (x >= start_wval && x < data->page_width) {
+
+                        if (gtk_toggle_button_get_active (data->log_button))
+                        {
+                            dval = log((input[offset] - min) * factor);
+                        } else { 
+                            dval = (input[offset] - min) * factor;
+                        }
+                    }
                 }
                 guchar val = (guchar) CLAMP(dval, 0.0, 255.0);
 
@@ -184,17 +235,23 @@ up_scale (ThreadData *data, gpointer buffer)
         for (gint y = 0; y < data->display_height; y++) {
             for (gint x = 0; x < data->display_width; x++) {
                 gint offset = ((gint) (y / zoom) * data->width) + ((gint) (x / zoom));
-                if (gtk_toggle_button_get_active (data->log_button))
-                {
-                    dval = log((input[offset] - min) * factor);
-                } else { 
-                    dval = (input[offset] - min) * factor;
+
+                if (y >= start_hval && y < data->page_height) {
+                    if (x >= start_wval && x < data->page_width) {
+
+                        if (gtk_toggle_button_get_active (data->log_button))
+                        {
+                            dval = log((input[offset] - min) * factor);
+                        } else { 
+                            dval = (input[offset] - min) * factor;
+                        }
+                    }
                 }
                 guchar val = (guchar) CLAMP(dval, 0.0, 255.0);
 
                 output[i++] = val;
                 output[i++] = val;
-                output[i++] = val;
+                output[i++] = val;            
             }
         }
     }
@@ -308,6 +365,7 @@ update_pixbuf_dimensions (ThreadData *data)
 
     data->display_width = (gint) data->width * data->zoom_factor;
     data->display_height = (gint) data->height * data->zoom_factor;
+
     data->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, data->display_width, data->display_height);
     data->pixels = gdk_pixbuf_get_pixels (data->pixbuf);
     gtk_image_set_from_pixbuf (GTK_IMAGE (data->image), data->pixbuf);
@@ -351,6 +409,7 @@ preview_frames (void *args)
         gpointer buffer;
 
         buffer = ring_buffer_get_current_pointer (data->buffer);
+        uca_camera_trigger (data->camera, &error);
         uca_camera_grab (data->camera, buffer, &error);
 
         if (error == NULL) {
@@ -739,6 +798,11 @@ create_main_window (GtkBuilder *builder, const gchar* camera_name)
     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, "adjustment1"));
+    td.vadjustment      = GTK_ADJUSTMENT (gtk_builder_get_object(builder, "adjustment2"));
+    td.page_width = gtk_adjustment_get_page_size(GTK_ADJUSTMENT(td.hadjustment));
+    td.page_height = gtk_adjustment_get_page_size(GTK_ADJUSTMENT(td.vadjustment));
+
     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"));
diff --git a/bin/gui/control.glade b/bin/gui/control.glade
index 3467ed7..e713371 100644
--- a/bin/gui/control.glade
+++ b/bin/gui/control.glade
@@ -6,6 +6,16 @@
     <property name="step_increment">1</property>
     <property name="page_increment">10</property>
   </object>
+  <object class="GtkAdjustment" id="adjustment1">
+    <property name="upper">100</property>
+    <property name="step_increment">1</property>
+    <property name="page_increment">10</property>
+  </object>
+  <object class="GtkAdjustment" id="adjustment2">
+    <property name="upper">100</property>
+    <property name="step_increment">1</property>
+    <property name="page_increment">10</property>
+  </object>
   <object class="GtkListStore" id="camera-properties">
     <columns>
       <!-- column-name PropertyName -->
@@ -252,7 +262,7 @@
     <property name="can_focus">False</property>
     <property name="title" translatable="yes">Camera Control</property>
     <property name="default_width">1024</property>
-    <property name="default_height">768</property>
+    <property name="default_height">767</property>
     <signal name="delete-event" handler="on_delete_event" swapped="no"/>
     <child>
       <object class="GtkVBox" id="vbox1">
@@ -434,6 +444,8 @@
                 <property name="height_request">480</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
+                <property name="hadjustment">adjustment1</property>
+                <property name="vadjustment">adjustment2</property>
                 <property name="hscrollbar_policy">automatic</property>
                 <property name="vscrollbar_policy">automatic</property>
                 <child>
@@ -452,8 +464,8 @@
                 </child>
               </object>
               <packing>
-                <property name="resize">True</property>
-                <property name="shrink">True</property>
+                <property name="resize">False</property>
+                <property name="shrink">False</property>
               </packing>
             </child>
             <child>