Started to add PCX routines.

git-svn-id: svn://svn.cc65.org/cc65/trunk@5552 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/sp65/bitmap.h

@@ -41,7 +41,7 @@
 /* common */
 #include "strbuf.h"
 
-/* sp65 */   
+/* sp65 */
 #include "palette.h"
 #include "pixel.h"
 
@@ -105,6 +105,9 @@ Bitmap* NewBitmap (unsigned Width, unsigned Height);
 void FreeBitmap (Bitmap* B);
 /* Free a dynamically allocated bitmap */
 
+int ValidBitmapSize (unsigned Width, unsigned Height);
+/* Return true if this is a valid size for a bitmap */
+
 Color GetPixelColor (const Bitmap* B, unsigned X, unsigned Y);
 /* Get the color for a given pixel. For indexed bitmaps, the palette entry
  * is returned.