Adding posibility to plot mid line in double plot mode

elC0mpa · Dec 30, 2020 · 13f3043 · 13f3043
1 parent b502fae
commit 13f3043
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Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/src/OLED_SSD1306_Chart.cpp b/src/OLED_SSD1306_Chart.cpp
@@ -125,6 +125,14 @@ void OLED_SSD1306_Chart::drawChart()
             drawFastVLine(temp, _y_lower_left_coordinate, 3, WHITE);
         }
     }
+    if (_mid_line_visible && _mode == DOUBLE_PLOT_MODE)
+    {
+        drawFastHLine(_x_lower_left_coordinate + _x_drawing_offset, _y_lower_left_coordinate - _chart_height / 2, _chart_width - _x_drawing_offset, WHITE);
+        for (i = 0; i <= _chart_width - _x_drawing_offset; i += _xinc_div)
+        {
+            drawFastVLine(i + _x_lower_left_coordinate + _x_drawing_offset, _y_lower_left_coordinate - _chart_height / 2, 3, WHITE);
+        }
+    }
 }
 
 void OLED_SSD1306_Chart::setPlotMode(char mode)
@@ -156,6 +164,11 @@ void OLED_SSD1306_Chart::setYLabelsVisible(bool yLabelsVisible)
     _y_labels_visible = yLabelsVisible;
 }
 
+void OLED_SSD1306_Chart::setMidLineVisible(bool lineVisible)
+{
+    _mid_line_visible = lineVisible;
+}
+
 void OLED_SSD1306_Chart::setPointGeometry(char pointGeometry, uint8_t chart)
 {
     if (chart == 0 || chart == 1)

diff --git a/src/OLED_SSD1306_Chart.h b/src/OLED_SSD1306_Chart.h
@@ -25,6 +25,7 @@ class OLED_SSD1306_Chart : public Adafruit_SSD1306
     char *_y_min_label[2];      //Labels of the lower y value
     char *_y_max_label[2];      //Labels of the higher y value
     double _x_drawing_offset;  //Used to draw the char after the labels are applied
+    bool _mid_line_visible;    //Determines if the mid line should be shown in Double plot mode
 
 public:
     //Ctors
@@ -34,6 +35,7 @@ class OLED_SSD1306_Chart : public Adafruit_SSD1306
         _point_geometry[0] = POINT_GEOMETRY_NONE;
         _point_geometry[1] = POINT_GEOMETRY_NONE;
         _y_labels_visible = false;
+        _mid_line_visible = true;
         _y_min_label[0] = "";
         _y_min_label[1] = "";
         _y_max_label[0] = "";
@@ -47,6 +49,7 @@ class OLED_SSD1306_Chart : public Adafruit_SSD1306
         _point_geometry[0] = POINT_GEOMETRY_NONE;
         _point_geometry[1] = POINT_GEOMETRY_NONE;
         _y_labels_visible = false;
+        _mid_line_visible = true;
         _y_min_label[0] = "";
         _y_min_label[1] = "";
         _y_max_label[0] = "";
@@ -60,6 +63,7 @@ class OLED_SSD1306_Chart : public Adafruit_SSD1306
         _point_geometry[0] = POINT_GEOMETRY_NONE;
         _point_geometry[1] = POINT_GEOMETRY_NONE;
         _y_labels_visible = false;
+        _mid_line_visible = true;
         _y_min_label[0] = "";
         _y_min_label[1] = "";
         _y_max_label[0] = "";
@@ -73,6 +77,7 @@ class OLED_SSD1306_Chart : public Adafruit_SSD1306
         _point_geometry[0] = POINT_GEOMETRY_NONE;
         _point_geometry[1] = POINT_GEOMETRY_NONE;
         _y_labels_visible = false;
+        _mid_line_visible = true;
         _y_min_label[0] = "";
         _y_min_label[1] = "";
         _y_max_label[0] = "";
@@ -88,6 +93,7 @@ class OLED_SSD1306_Chart : public Adafruit_SSD1306
     void setPointGeometry(char pointGeometry, uint8_t chart = 0);
     void setXIncrement(double xinc);
     void setAxisDivisionsInc(double xinc, double yinc);
+    void setMidLineVisible(bool lineVisible);
 
     void drawChart();
     bool updateChart(double firstValue, double secondValue = 0);