Figure Extras: added arrows and segments

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

zUtil_Imaging/gtFigureAddExtras.m

@@ -13,6 +13,10 @@ function gtFigureAddExtras(ax, im_props, extras)
                 add_box(ax, extras{ii_ex})
             case 'text'
                 add_text(ax, extras{ii_ex})
+            case 'arrow'
+                add_arrow(ax, extras{ii_ex})
+            case 'segment'
+                add_segment(ax, extras{ii_ex})
         end
     end
 end
@@ -107,6 +111,27 @@ function add_text(ax, ex_props)
         'FontAngle', ex_props.font_angle, ...
         'FontWeight', ex_props.font_weight, ...
         'HorizontalAlignment', ex_props.alignment_horz, ...
-        'VerticalAlignment', ex_props.alignment_vert );
+        'VerticalAlignment', ex_props.alignment_vert, ...
+        'Interpreter', ex_props.interpreter );
+end
+
+function add_arrow(ax, ex_props)
+
+    final_dir = ex_props.direction * ex_props.line_length;
+
+    hold(ax, 'on')
+    quiver(ex_props.position(1), ex_props.position(2), final_dir(1), final_dir(2), 0, ...
+        'parent', ax, 'Color', ex_props.color, ...
+        'LineWidth', ex_props.line_width, 'LineStyle', ex_props.line_style)
+    hold(ax, 'off')
+end
+
+function add_segment(ax, ex_props)
+
+    xs_l = ex_props.position([1 3]);
+    ys_l = ex_props.position([2 4]);
+
+    line(xs_l, ys_l, 'parent', ax, 'Color', ex_props.color, ...
+        'LineWidth', ex_props.line_width, 'LineStyle', ex_props.line_style)
 end
 

zUtil_Imaging/gtFigureCreateExtras.m

@@ -8,6 +8,10 @@ function extras = gtFigureCreateExtras(type, varargin)
             extras = create_box(varargin{:});
         case 'text'
             extras = create_text(varargin{:});
+        case 'arrow'
+            extras = create_arrow(varargin{:});
+        case 'segment'
+            extras = create_segment(varargin{:});
     end
     extras.type = type;
 end
@@ -53,6 +57,27 @@ function extras = create_text(varargin)
         'font_size', 10, ...
         'font_weight', 'normal', ... {'normal', 'bold', 'light', 'demi'}
         'font_angle', 'normal', ... {'normal', 'italic', 'oblique'}
+        'color', [1 1 1], ...
+        'interpreter', 'tex' );
+    extras = parse_pv_pairs(extras, varargin);
+end
+
+function extras = create_arrow(varargin)
+    extras = struct( ...
+        'line_length', 10, ...
+        'line_width', 0.5, ...
+        'line_style', '-', ...
+        'position', [1 1], ...
+        'direction', [1 1], ...
+        'color', [1 1 1] );
+    extras = parse_pv_pairs(extras, varargin);
+end
+
+function extras = create_segment(varargin)
+    extras = struct( ...
+        'line_width', 1, ...
+        'line_style', '-', ...
+        'position', [1 1 10 10], ...
         'color', [1 1 1] );
     extras = parse_pv_pairs(extras, varargin);
 end