X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2Fgfxutil.h;h=b46f81344c7182de327813cffc6076e7832ccb67;hp=f8119878d7f2b0cdbfbfa7971b6d685364757734;hb=7cffbf057545fb303ad8f53e432ef42f7708e16d;hpb=0945eeeef21fe85f9a592bfc2e41069a7894b08b

diff --git a/src/gfxutil.h b/src/gfxutil.h
index f811987..b46f813 100644
--- a/src/gfxutil.h
+++ b/src/gfxutil.h
@@ -1,13 +1,34 @@
 #ifndef GFXUTIL_H_
 #define GFXUTIL_H_
 
+#include "inttypes.h"
+
 #define PACK_RGB16(r, g, b) \
-	(((((r) >> 3) & 0x1f) << 11) | ((((g) >> 2) & 0x3f) << 5) | (((b) >> 3) & 0x1f))
+	((((uint16_t)(r) << 8) & 0xf800) | \
+	 (((uint16_t)(g) << 3) & 0x7e0) | \
+	 (((uint16_t)(b) >> 3) & 0x1f))
+
+#define UNPACK_R16(c)	(((c) >> 8) & 0xf8)
+#define UNPACK_G16(c)	(((c) >> 3) & 0xfc)
+#define UNPACK_B16(c)	(((c) << 3) & 0xf8)
 
 #define PACK_RGB32(r, g, b) \
 	((((r) & 0xff) << 16) | (((g) & 0xff) << 8) | ((b) & 0xff))
 
+#define UNPACK_R32(c)	(((c) >> 16) & 0xff)
+#define UNPACK_G32(c)	(((c) >> 8) & 0xff)
+#define UNPACK_B32(c)	((c) & 0xff)
+
 int clip_line(int *x0, int *y0, int *x1, int *y1, int xmin, int ymin, int xmax, int ymax);
 void draw_line(int x0, int y0, int x1, int y1, unsigned short color);
 
+/* scale in 24.8 fixed point */
+void blur_grey_horiz(uint16_t *dest, uint16_t *src, int xsz, int ysz, int radius, int scale);
+void blur_grey_vert(uint16_t *dest, uint16_t *src, int xsz, int ysz, int radius, int scale);
+
+void convimg_rgb24_rgb16(uint16_t *dest, unsigned char *src, int xsz, int ysz);
+
+void blitfb(uint16_t *dest, uint16_t *src, int xsz, int ysz, int pitch_pix);
+void blitfb_key(uint16_t *dest, uint16_t *src, int xsz, int ysz, int pitch_pix, uint16_t key);
+
 #endif	/* GFXUTIL_H_ */