Small GUI/figures improvements

Signed-off-by: Nicola Vigano <nicola.vigano@esrf.fr>

zUtil_GUI/GtBaseGuiElem.m

@@ -161,7 +161,7 @@ classdef GtBaseGuiElem < handle
         end
 
         function delUICallbacks(obj)
-            for n = 1:length(obj.ui_callbacks)
+            for n = 1:numel(obj.ui_callbacks)
                 cb = obj.ui_callbacks{n};
                 set(cb{1}, cb{2}, '');
             end

zUtil_GUI/GtPixelInfoVal.m

@@ -17,7 +17,7 @@ classdef GtPixelInfoVal < handle
     end
 
     methods (Access = public)
-        function obj = GtPixelInfoVal(parent, image_handler, pointCbk, pattern)
+        function obj = GtPixelInfoVal(parent, image_handler, pointCbk, pattern, empty_pattern)
             obj.parent = parent;
             obj.img_h = image_handler;
             obj.frame_h = gtGetParentFigure(parent);
@@ -25,9 +25,12 @@ classdef GtPixelInfoVal < handle
 
             obj.pointerCbk = pointCbk;
 
-            if (exist('pattern', 'var'))
+            if (exist('pattern', 'var') && ~isempty(pattern))
                 obj.string_pattern = pattern;
             end
+            if (exist('empty_pattern', 'var') && ~isempty(empty_pattern))
+                obj.string_empty = empty_pattern;
+            end
 
             obj.conf = [];
             obj.conf.box_h = uicontrol('parent', obj.parent, ...
@@ -74,12 +77,16 @@ classdef GtPixelInfoVal < handle
         function clipString = getString(obj)
             clipString = get(obj.conf.box_h, 'String');
         end
+
+        function pattern = getPattern(obj)
+            pattern = obj.string_pattern;
+        end
     end
 
     methods (Access = protected)
 
         function displayString(obj, point, value)
-            set(obj.conf.box_h, 'String', sprintf(obj.string_pattern, point, value));
+            set(obj.conf.box_h, 'String', sprintf(obj.string_pattern, [point, value]));
         end
 
         function displayDefaultString(obj)

zUtil_Imaging/gtFigureAddExtras.m

 function gtFigureAddExtras(ax, im_props, extras)
+% function gtFigureAddExtras(ax, im_props, extras)
+
     num_extras = numel(extras);
 
     for ii_ex = 1:num_extras

zUtil_Imaging/gtMakeFigureFromPicture.m

-function gtMakeFigureFromPicture(img, mask, varargin)
+function [f, ax] = gtMakeFigureFromPicture(img, mask, varargin)
 
     conf = struct( ...
         'filename', '', ...
@@ -13,9 +13,13 @@ function gtMakeFigureFromPicture(img, mask, varargin)
         'colorbar', true, ...
         'pixel_size', [], ...
         'extras', [] );
-    conf = parse_pv_pairs(conf, varargin);
+    [conf, rej_conf] = parse_pv_pairs(conf, varargin);
+    if (~isempty(rej_conf))
+        disp('Unknown parameters:')
+        disp(rej_conf{:})
+    end
 
-    use_mask = ~isempty(mask);
+    use_mask = exist('mask', 'var') && ~isempty(mask);
     if (~use_mask)
         mask = true(size(img, 1), size(img, 2));
     end
@@ -129,5 +133,6 @@ function set_size(f, ax, conf, img)
         fprintf('Axes size: [%g, %g] cm\n', axes_position(3:4))
     end
     box(ax, 'Off')
+%     set(ax, 'FontSize', 16)
     fprintf('Figure size: [%g, %g] cm\n', figure_position(3:4))
 end