Revision 0:ccdf1edcbba6, committed 2017-04-24

Comitter:

JojoS

Date:

Mon Apr 24 16:21:53 2017 +0000

Commit message:

simple GUI elements

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Controls.cpp	Mon Apr 24 16:21:53 2017 +0000
@@ -0,0 +1,49 @@
+#include "Controls.h"
+
+#if (USE_BARGRAPH == 1)
+barGraph::barGraph(bgOrientation _orientation, int16_t _x0, int16_t _y0, int16_t _x1, int16_t _y1) :
+    baseControl()
+{
+    orientation = _orientation;
+    x0 = _x0;
+    y0 = _y0;
+    x1 = _x1;
+    y1 = _y1;
+}
+
+void barGraph::setScale(float _valMin, float _valMax)
+{
+    valMin = _valMin;
+    valMax = _valMax;
+    if (orientation == bgHorizontal) {
+        valScaleFactor = (x1 - x0) / (valMax - valMin);
+        zeroPos = x0 - valScaleFactor * valMin;
+    } else {
+        valScaleFactor = (y1 - y0) / (valMax - valMin);
+        zeroPos = y0 - valScaleFactor * valMin;
+    }
+}
+
+void barGraph::setValue(float _val)
+{
+    val = _val;
+}
+
+void barGraph::draw(Adafruit_GFX &canvas)
+{
+    int16_t p;
+    int16_t w;
+    
+    if (orientation == bgHorizontal) {
+        p = x0 + valScaleFactor * (val - valMin);
+        for (w = y0; w <= y1; w++)
+            canvas.drawLine(zeroPos, w, p, w, WHITE);
+        
+    } else {
+        p = y0 + valScaleFactor * (val - valMin);
+        for (w = x0; w <= x1; w++)
+            canvas.drawLine(zeroPos, w, p, w, WHITE);
+    }
+}
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Controls.h	Mon Apr 24 16:21:53 2017 +0000
@@ -0,0 +1,35 @@
+#ifndef _Controls_h_
+#define _Controls_h_
+
+#include "mbed.h"
+#include "SmallGUIBase.h"
+
+#if (USE_BARGRAPH == 1)
+class barGraph : public baseControl
+{
+    public:
+    enum bgOrientation {bgHorizontal, bgVertical};
+    
+    barGraph(bgOrientation orientation, int16_t x0, int16_t y0, int16_t x1, int16_t y1);
+    
+    void setScale(float valMin, float valMax);
+    void setValue(float val);
+    
+    virtual void draw(Adafruit_GFX &canvas);
+    
+    private:
+    bgOrientation   orientation;
+    int16_t x0;
+    int16_t y0;
+    int16_t x1;
+    int16_t y1;
+    int16_t zeroPos;
+    float valMin;
+    float valMax;
+    float valScaleFactor;
+    float val;
+    
+};
+#endif
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SmallGUIBase.cpp	Mon Apr 24 16:21:53 2017 +0000
@@ -0,0 +1,23 @@
+#include "SmallGUIBase.h"
+
+Canvas::Canvas(Adafruit_GFX &_gfxDevice) :
+    gfxDevice(_gfxDevice)
+{
+    ctrlCount = 0;
+}
+
+void Canvas::draw()
+{
+    // call draw() on all controls
+    int i;
+    for (i=0; i < ctrlCount; i++)
+        ctrlList[i]->draw(gfxDevice);
+}
+
+void Canvas::addControl(baseControl &bc)
+{
+    if (ctrlCount < MAX_CONTROLS_PER_CANVAS) {
+        ctrlList[ctrlCount] = &bc;
+        ctrlCount++;
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SmallGUIBase.h	Mon Apr 24 16:21:53 2017 +0000
@@ -0,0 +1,28 @@
+#ifndef _SMALLGUI_BASE_H_
+#define _SMALLGUI_BASE_H_
+
+#include "mbed.h"
+#include "SmallGUI_config.h"
+
+class baseControl
+{
+    public:
+    baseControl() {};
+    virtual void draw(Adafruit_GFX &_gfxDevice) {};
+};
+    
+class Canvas
+{
+    public:
+    Canvas(Adafruit_GFX &_gfxDevice);
+    void draw();
+    void addControl(baseControl &ctrl);
+    
+    private:
+    Adafruit_GFX &gfxDevice;
+    int ctrlCount;
+    baseControl *ctrlList[MAX_CONTROLS_PER_CANVAS];
+};
+    
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SmallGUI_config.h	Mon Apr 24 16:21:53 2017 +0000
@@ -0,0 +1,5 @@
+// include basic graphic functions
+#include "Adafruit_GFX.h"
+
+#define MAX_CONTROLS_PER_CANVAS     20
+#define USE_BARGRAPH    1