unpack zips in src to better compression

sources/z-tools/trunk/zview/mfdb.c

@@ -0,0 +1,75 @@
+#include "general.h"
+
+
+/* Prototype */
+int16 init_mfdb( MFDB *bm, int16 width, int16 height, int16 planes);
+void delete_mfdb( MFDB *bm, int16 nbr);
+
+
+/*==================================================================================*
+ * int16 init_mfdb:																	*
+ *				fit a MFDB with the parameters suppplied.							*
+ *----------------------------------------------------------------------------------*
+ * input:																			*
+ * 		bm		-> 	The MFDB to fit.												*
+ * 		width	-> 	Image's width. 													*
+ * 		height	-> 	Image's height.										 			*
+ * 		planes	->	Screen planes or 1 if the image is monochrome.					*
+ *----------------------------------------------------------------------------------*
+ * returns: 																		*	
+ *		'0' if error or the memory size allocated.									*
+ *==================================================================================*/
+int16 init_mfdb( MFDB *bm, int16 width, int16 height, int16 planes)
+{
+	uint32 length;
+
+	bm->fd_w 		= width;
+	bm->fd_h 		= height;
+	bm->fd_wdwidth	= ( width >> 4) + (( width % 16) != 0);
+	bm->fd_stand 	= 0;
+	bm->fd_nplanes 	= planes;
+	bm->fd_r1      	= 0;
+	bm->fd_r2      	= 0;
+	bm->fd_r3	  	= 0;
+
+	length			= (( (( uint32)bm->fd_wdwidth << 1 ) * ( uint32)bm->fd_nplanes) * ( uint32)bm->fd_h) + 256L;
+	bm->fd_addr 	= gmalloc( length);
+
+	if( bm->fd_addr)
+		return( 1);
+	
+	bm->fd_addr = NULL;
+
+	return ( 0);
+}
+
+
+/*==================================================================================*
+ * int16 delete_mfdb:																*
+ *		free the data of MFDB struct.												*
+ *----------------------------------------------------------------------------------*
+ * input:																			*
+ * 		bm		-> 	pointer to the MFDB to delete.									*
+ * 		nbr		-> 	The number of MFDB struct. to delete.							*
+ *----------------------------------------------------------------------------------*
+ * returns: 																		*	
+ *		--																			*
+ *==================================================================================*/
+void delete_mfdb( MFDB *bm, int16 nbr)
+{
+	register int16 i;
+
+	if(( nbr == 0) || ( bm == NULL))
+		return;
+
+	for ( i = 0; i < nbr; i++)
+	{
+		if ( bm[i].fd_addr == NULL)
+			continue;
+		
+		gfree( bm[i].fd_addr); 
+	}
+
+	gfree( bm);
+}
+