Diff: CharFrame.cpp

Revision:

2:bb0f631a6068

Child:

16:d0b142ba4362

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CharFrame.cpp	Thu Jun 06 20:11:28 2013 +0000
@@ -0,0 +1,57 @@
+/*
+ * SOURCE FILE : CharFrame.cpp
+ *
+ * For drawing rectangular frames using characters.
+ *
+ */
+
+#include "CharFrame.h"
+#include "GDConst.h"      // a few Gameduino constants
+#include "CharCodes.h"    // character set codes
+
+/****************/
+/* DRAW A FRAME */
+/****************/
+// Pass Gameduino to draw on in gd.
+// Pass x coordinate of top left in x.
+// Pass y coordinate of top left in y.
+// Pass width in w.
+// Pass height in h.
+void CharFrame::Draw( Gameduino *gd, UInt8 x, UInt8 y, UInt8 w, UInt8 h ) {
+  // Calculate address for top left.
+  unsigned int rowStart = Gameduino::RAM_PIC + y * SCREEN_CHAR_WIDTH + x;
+  unsigned int address = rowStart;
+  UInt8 count;
+  // Draw top left corner.
+  gd->wr( address++, TopLeft );
+  // Draw top edge.
+  if( w > 2 ) {
+    for( count = w - 2; count > 0; --count ) {
+      gd->wr( address++, Top );
+    }
+  }
+  // Draw top right corner.
+  gd->wr( address, TopRight );
+  // Draw left and right edges.
+  rowStart += SCREEN_CHAR_WIDTH;
+  if( h > 2 ) {
+    for( count = h - 2; count > 0; --count ) {
+      gd->wr( rowStart, Left );
+      gd->wr( rowStart + w - 1, Right );
+      rowStart += SCREEN_CHAR_WIDTH;
+    }
+  }
+  // Draw bottom edge.
+  address = rowStart;
+  // Draw bottom left corner.
+  gd->wr( address++, BottomLeft );
+  // Draw bottom edge.
+  if( w > 2 ) {
+    for( count = w - 2; count > 0; --count ) {
+      gd->wr( address++, Bottom );
+    }
+  }
+  // Draw bottom right corner.
+  gd->wr( address, BottomRight );
+}
+