openglcd

arduino/openglcd/Graphics/Graphics.pde

@@ -0,0 +1,146 @@
+/*
+
+  Graphic.pde
+
+  How to mix Graphics with M2tklib
+  
+  openGLCD Example
+
+  m2tklib = Mini Interative Interface Toolkit Library
+  
+  Copyright (C) 2014  [email protected]
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  
+  Two methods:
+    - mix/combine menu and graphics
+    - switch between menu and graphcs
+    
+   Graphic procedure should be build in parallel
+   Graphic procedure should work depending on the top level element
+   
+*/
+
+#include <openGLCD.h>		// inform Arduino IDE that we will use openGLCD library
+#include "M2tk.h"
+#include "m2ghopenglcd.h"
+
+#include "fonts/System5x7.h"
+#include "fonts/Arial14.h"
+
+uint8_t uiKeySelectPin = 3;
+uint8_t uiKeyDownPin = 2;
+uint8_t uiKeyUpPin = 1;
+uint8_t uiKeyExitPin = 0;
+
+uint8_t y = 0;                   // position of the low level graphics
+
+extern M2tk m2;
+M2_EXTERN_ALIGN(el_top);
+
+/* draw an animated 10x10 rectange at x/y */
+void rectangle(uint8_t x, uint8_t y) {
+  static uint8_t is_bigger = 0;
+  static uint32_t next_state_change = 0;
+  static uint32_t next_redraw = 0;
+  static uint8_t size = 1;
+  if ( next_redraw < millis() ) {
+    next_redraw = millis();
+    next_redraw += 30;
+    GLCD.FillRect(x,y,10,10, WHITE);
+    GLCD.FillRect(x,y,size,size, BLACK);
+  }
+  if ( next_state_change < millis() ) {
+    next_state_change = millis();
+    next_state_change += 300;
+    if ( is_bigger == 0 ) {
+      size -= 1;
+      if ( size <= 1 )
+        is_bigger = 1;
+    }
+    else {
+      size += 1;
+      if ( size >= 10 )
+        is_bigger = 0;
+    }
+  }
+}
+
+
+void fn_inc(m2_el_fnarg_p fnarg) {
+  if ( y < 63-10 )
+    y += 1;
+}
+
+void fn_dec(m2_el_fnarg_p fnarg) {
+  if ( y > 0 )
+    y -= 1;
+}
+
+M2_BUTTON(el_plus, "x30y41", "-1", fn_dec);
+M2_BUTTON(el_minus, "x30y21", "+1", fn_inc);
+M2_ROOT(el_leave_combine, "x30y1", "Back", &el_top);
+M2_LIST(el_btn_list) = { &el_plus, &el_minus, &el_leave_combine};
+M2_XYLIST(el_combine, NULL, el_btn_list);
+
+M2_LABEL(el_goto_title, NULL, "Graphics and M2tk");
+M2_ROOT(el_goto_combine, NULL, "Combine", &el_combine);
+M2_ROOT(el_goto_switch, NULL, "Switch", &m2_null_element);             // selecting this, will remove all menues
+M2_LIST(list_menu) = {&el_goto_title, &el_goto_combine, &el_goto_switch};
+M2_VLIST(el_menu_vlist, NULL, list_menu);
+M2_ALIGN(el_top, "W64H64", &el_menu_vlist);
+M2tk m2(&el_top, m2_es_arduino, m2_eh_4bs, m2_gh_openglcd_ffs);
+
+void setup(void) {
+  m2.setFont(0, System5x7);
+  //m2.setFont(0, Arial14);
+
+  m2.setPin(M2_KEY_SELECT, uiKeySelectPin);
+  m2.setPin(M2_KEY_NEXT, uiKeyDownPin);
+  m2.setPin(M2_KEY_PREV, uiKeyUpPin);
+  m2.setPin(M2_KEY_EXIT, uiKeyExitPin);  
+}
+
+
+void graphics(void) {
+  // show the graphics depending on the current toplevel element
+
+  if ( m2.getRoot() == &el_combine ) {
+      // combine is active, do add the rectangle
+      // menu is on the right, put the rectangle to the left
+      rectangle(0,y);
+  }
+
+  if ( m2.getRoot() == &m2_null_element ) {
+      // all menus are gone, show the rectangle
+      rectangle(10,10);
+      // now check for any keys and assign a suitable menu again
+      if ( m2.getKey() != M2_KEY_NONE )
+        m2.setRoot(&el_top);
+  }
+}
+
+void menu(void) {
+  m2.checkKey();
+  if ( m2.handleKey() ) {
+      m2.draw();
+  }
+}
+
+void loop(void) {
+  graphics();
+  menu();
+}
+
+