Diff: draw2D.cpp

Revision:

0:601fd83c75e0

Child:

2:d6e572640dcc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/draw2D.cpp	Wed Dec 29 09:53:24 2010 +0000
@@ -0,0 +1,70 @@
+#include "doggy.h"
+
+void DogMLCD::LineH( int x0, int y, int x1, doggy_op raster )
+{
+    if( y & 0xFFC0 ) return; // line is out of screen
+    BOUND( x0, 0, 127 )
+    BOUND( x1, 0, 127 )
+    ORDER( x0, x1 )
+    
+    int n = x1 - x0 + 1;
+    char* p = b_ + (( y & 0x38 ) << 4) + x0;
+    if( raster == poke )
+    {
+        char b = DOGMLCD_on[ y & 7 ];
+        while( n-- )
+            *p++ |= b;
+    }
+    else if( raster == wipe )
+    {
+        char b = DOGMLCD_off[ y & 7 ];
+        while( n-- )
+            *p++ &= b;
+    }
+    else
+    {
+        char b = DOGMLCD_on[ y & 7 ];
+        while( n-- )
+            *p++ ^= b;
+    }
+}
+void DogMLCD::LineV( int x, int y0, int y1, doggy_op raster )
+{
+    if( x & 0xFF80 ) return; // line is out of screen
+    BOUND( y0, 0, 63 )
+    BOUND( y1, 0, 63 )
+    ORDER( y0, y1 )
+    RasterOp op = ((RasterOp[]){ &DogMLCD::Poke, &DogMLCD::Wipe, &DogMLCD::Inv })[raster];
+    for( int y = y0 ; y <= y1 ; y++ ) 
+        (this->*op)( x, y );
+}
+void DogMLCD::Frame( int x0, int y0, int x1, int y1, doggy_op raster )
+{
+    ORDER( x0, x1 )
+    ORDER( y0, y1 )
+    
+    LineH( x0, y0, x1, raster );
+    if( y1 > y0 ) LineH( x0, y1, x1, raster );
+    
+    y0++; // don't overlap at angles
+    y1--;
+    if( y1 >= y0 ) // don't overlap if horizontal lines where adjacent
+    {
+        LineV( x0, y0, y1, raster );
+        if( x1 > x0 ) LineV( x1, y0, y1, raster );
+    }
+}
+void DogMLCD::Rect( int x0, int y0, int x1, int y1, const unsigned char* p )
+{
+    BOUND( x0, 0, 127 )
+    BOUND( x1, 0, 127 )
+    BOUND( y0, 0, 63 )
+    BOUND( y1, 0, 63 )
+    ORDER( x0, x1 )
+    ORDER( y0, y1 )
+    //RasterOp op = ((RasterOp[]){ &DogMLCD::Poke, &DogMLCD::Wipe, &DogMLCD::Inv })[raster];
+    for( int x = x0 ; x <= x1 ; x++ )
+        for( int y = y0 ; y <= y1 ; y++ )
+            if( p[x & 7] & ( 1 << ( y & 7 ) ) )
+                Poke( x, y );
+}
\ No newline at end of file