Diff: lcd_base.cpp

Revision:

21:e5c1e8ffada1

Parent:

20:4bdca8d8dadc

Child:

22:4c169297f374

--- a/lcd_base.cpp	Fri Dec 21 06:05:15 2012 +0000
+++ b/lcd_base.cpp	Sat Jan 26 02:55:46 2013 +0000
@@ -27,7 +27,7 @@
 {
     SetForeground();
     SetBackground();
-    _font.font = 0;
+    _font = &TerminusFont;
 }
 
 inline
@@ -42,13 +42,9 @@
     _background = color;
 }
 
-void LCD::SetFont( const char *font )
+void LCD::SetFont( const font_t *font )
 {
-    _font.font     = font;
-    _font.width    = font[ 0 ];
-    _font.height   = font[ 1 ];
-    _font.offset   = font[ 2 ];
-    _font.numchars = font[ 3 ];
+    _font = font;
 }
 
 inline
@@ -65,6 +61,20 @@
     return _disp_height;
 }
 
+inline
+uint8_t LCD::GetFontWidth( void )
+{
+    if ( _font != 0 ) return _font->Width;
+    return 0;
+}
+
+inline
+uint8_t LCD::GetFontHeight( void )
+{
+    if ( _font != 0 ) return _font->Height;
+    return 0;
+}
+
 void LCD::FillScreen( int color )
 {
     unsigned int rgb = color == -1 ? _background : color == -2 ? _foreground : ( unsigned int ) color;
@@ -314,13 +324,13 @@
     stl = strlen( str );
 
     if ( x == RIGHT )
-        x = GetWidth() - ( stl * _font.width );
+        x = GetWidth() - ( stl * _font->Width );
     if ( x == CENTER )
-        x = ( GetWidth() - ( stl * _font.width ) ) / 2;
+        x = ( GetWidth() - ( stl * _font->Width ) ) / 2;
 
     for ( i = 0; i < stl; i++ )
         if ( deg == 0 )
-            PrintChar( *str++, x + ( i * ( _font.width ) ), y, fgColor, bgColor );
+            PrintChar( *str++, x + ( i * ( _font->Width ) ), y, fgColor, bgColor );
         else
             RotateChar( *str++, x, y, i, fgColor, bgColor, deg );
 }
@@ -482,26 +492,26 @@
 {
     uint8_t i, ch;
     uint16_t j;
-    uint16_t temp;
     unsigned int usedColorFG = fgColor == -1 ? _background : fgColor == -2 ? _foreground : ( unsigned int ) fgColor;
     unsigned int usedColorBG = bgColor == -1 ? _background : bgColor == -2 ? _foreground : ( unsigned int ) bgColor;
-
+    
+    uint16_t totalCharBytes = ( _font->Width * _font->Height ) / 8;
+    int16_t position = _font->Position[ c - _font->Offset ];
+    if ( position == -1 ) position = 0; // will print space character
+    
     Activate();
 
-    SetXY( x, y, x + _font.width - 1, y + _font.height - 1 );
-
-    temp = ( ( c - _font.offset ) * ( ( _font.width / 8 ) * _font.height ) ) + 4;
-    for ( j = 0; j < ( ( _font.width / 8 ) * _font.height ); j++ )
+    SetXY( x, y, x + _font->Width - 1, y + _font->Height - 1 );
+    
+    for ( j = 0; j < totalCharBytes; j++ )
     {
-        ch = _font.font[ temp ];
+        ch = _font->Data[ position ];
         for ( i = 0; i < 8; i++ )
         {
-            if ( ( ch & ( 1 << ( 7 - i ) ) ) != 0 )
-                SetPixelColor( usedColorFG );
-            else
-                SetPixelColor( usedColorBG );
+            if ( ( ch & ( 1 << ( 7 - i ) ) ) != 0 ) SetPixelColor( usedColorFG );
+            else SetPixelColor( usedColorBG );
         }
-        temp++;
+        position++;
     }
     Deactivate();
 }
@@ -509,7 +519,6 @@
 void LCD::RotateChar( char c, unsigned short x, unsigned short y, int pos, int fgColor, int bgColor, unsigned short deg )
 {
     uint8_t i, j, ch;
-    uint16_t temp;
     int newx, newy;
     double radian;
     radian = deg * 0.0175;
@@ -517,28 +526,29 @@
     unsigned int usedColorFG = fgColor == -1 ? _background : fgColor == -2 ? _foreground : ( unsigned int ) fgColor;
     unsigned int usedColorBG = bgColor == -1 ? _background : bgColor == -2 ? _foreground : ( unsigned int ) bgColor;
 
+    int16_t position = _font->Position[ c - _font->Offset ];
+    if ( position == -1 ) position = 0; // will print space character
+    
     Activate();
-
-    temp = ( ( c - _font.offset ) * ( ( _font.width / 8 ) * _font.height ) ) + 4;
-    for ( j = 0; j < _font.height; j++ )
+    
+    for ( j = 0; j < _font->Height; j++ )
     {
-        for ( int zz = 0; zz < ( _font.width / 8 ); zz++ )
+        for ( uint16_t zz = 0; zz < ( ( double ) _font->Width / 8 ); zz++ )
         {
-            ch = _font.font[ temp + zz ];
+            ch = _font->Data[ position + zz ];
             for ( i = 0; i < 8; i++ )
             {
-                newx = x + ( ( ( i + ( zz * 8 ) + ( pos * _font.width ) ) * cos( radian ) ) - ( ( j ) * sin( radian ) ) );
-                newy = y + ( ( ( j ) * cos( radian ) ) + ( ( i + ( zz * 8 ) + ( pos * _font.width ) ) * sin( radian ) ) );
+                newx = x + ( ( ( i + ( zz * 8 ) + ( pos * _font->Width ) ) * cos( radian ) ) - ( ( j ) * sin( radian ) ) );
+                newy = y + ( ( ( j ) * cos( radian ) ) + ( ( i + ( zz * 8 ) + ( pos * _font->Width ) ) * sin( radian ) ) );
 
                 SetXY( newx, newy, newx + 1, newy + 1 );
 
-                if ( ( ch & ( 1 << ( 7 - i ) ) ) != 0 )
-                    SetPixelColor( usedColorFG );
-                else
-                    SetPixelColor( usedColorBG );
+                if ( ( ch & ( 1 << ( 7 - i ) ) ) != 0 ) SetPixelColor( usedColorFG );
+                else SetPixelColor( usedColorBG );
             }
         }
-        temp += ( _font.width / 8 );
+        position += ( _font->Width / 8 );
     }
+
     Deactivate();
 }