Barcode generator: rfct, ux improvements, implement EAN-8.

applications/plugins/barcode_generator/barcode_generator.h

@@ -0,0 +1,52 @@
+#define BARCODE_HEIGHT 50
+#define BARCODE_Y_START 3
+#define BARCODE_TEXT_OFFSET 9
+#define NUMBER_OF_BARCODE_TYPES 2
+#define MENU_INDEX_VIEW 0
+#define MENU_INDEX_EDIT 1
+#define MENU_INDEX_PARITY 2
+#define MENU_INDEX_TYPE 3
+
+typedef enum {
+    EventTypeTick,
+    EventTypeKey,
+} EventType;
+
+typedef struct {
+    EventType type;
+    InputEvent input;
+} PluginEvent;
+
+typedef enum {
+    ViewMode,
+    EditMode,
+    MenuMode,
+} Mode;
+
+typedef struct {
+    char* name;
+    int numberOfDigits;
+    int startPos;
+} BarcodeType;
+
+typedef struct {
+    int barcodeNumeral[12]; //The current barcode number
+    int editingIndex; //The index of the editing symbol
+    int menuIndex; //The index of the menu cursor
+    Mode mode; //View, edit or menu
+    bool doParityCalculation; //Should do parity check?
+    int barcodeTypeIndex;
+} PluginState;
+
+static const int DIGITS[10][4] = {
+    {3, 2, 1, 1},
+    {2, 2, 2, 1},
+    {2, 1, 2, 2},
+    {1, 4, 1, 1},
+    {1, 1, 3, 2},
+    {1, 2, 3, 1},
+    {1, 1, 1, 4},
+    {1, 3, 1, 2},
+    {1, 2, 1, 3},
+    {3, 1, 1, 2},
+};