Display text on LCD displays (even on multiple ones). Allow to create windows (frames) on display, and to combine them (split, add, duplicate, scroll). See http://mbed.org/users/hlipka/notebook/lcdwindow/ for more information.

Dependents:   Mbell

Revision:
0:ae5037e3d6e0
Child:
1:65f72ed914fa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/subwindow.cpp	Mon Nov 15 22:37:30 2010 +0000
@@ -0,0 +1,62 @@
+/*
+ * mbed LCDWindow library
+* Copyright (c) 2010 Hendrik Lipka
+* 
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+* 
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+* THE SOFTWARE.
+*/
+
+#include "subwindow.h"
+
+#include "string.h"
+
+SubWindow::SubWindow(Window* lcd, unsigned int offsetX, unsigned int offsetY, unsigned int width, unsigned int height) {
+    _lcd=lcd;
+    _offsetX=offsetX;
+    _offsetY=offsetY;
+    _width=width;
+    _height=height;
+
+}
+
+void SubWindow::writeText(unsigned int line, unsigned int pos, char* text) {
+    if (line>_height)
+        return;
+
+    char* text2=new char[_width-pos+1];
+    int i=0;
+    while (i<_width-pos+1) {
+        text2[i]=text[i];
+        if (text[i]=='\0')
+            break;
+        i++;
+    }
+    text2[_width-pos]='\0';
+
+    _lcd->writeText(line+_offsetY, pos+_offsetX, text2);
+    delete [] text2;
+}
+
+void SubWindow::clear() {
+    char* spaces=new char[_width+1];
+    memset(spaces,32,_width);
+    spaces[_width]=0;
+    for (int i=0;i<_height;i++) {
+        _lcd->writeText(i+_offsetY,_offsetX,spaces);
+    }
+}
\ No newline at end of file