X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=src%2Fgfxutil.c;h=a8d7edce8387d364e949b112053bf81ae70d961b;hp=b82a612089960b8fbb5fa3fec3ebca5c2183af6f;hb=7cffbf057545fb303ad8f53e432ef42f7708e16d;hpb=95432d94ee6d5cd0c1f71c36b78e195f1b96892f

diff --git a/src/gfxutil.c b/src/gfxutil.c
index b82a612..a8d7edc 100644
--- a/src/gfxutil.c
+++ b/src/gfxutil.c
@@ -1,3 +1,4 @@
+#include <string.h>
 #include "gfxutil.h"
 #include "demo.h"
 
@@ -202,3 +203,41 @@ void blur_grey_vert(uint16_t *dest, uint16_t *src, int xsz, int ysz, int rad, in
 
 	BLUR(ysz, xsz, pixel_step, scanline_step);
 }
+
+void convimg_rgb24_rgb16(uint16_t *dest, unsigned char *src, int xsz, int ysz)
+{
+	int i;
+	int npixels = xsz * ysz;
+
+	for(i=0; i<npixels; i++) {
+		int r = *src++;
+		int g = *src++;
+		int b = *src++;
+		*dest++ = PACK_RGB16(r, g, b);
+	}
+}
+
+void blitfb(uint16_t *dest, uint16_t *src, int width, int height, int pitch_pix)
+{
+	int i;
+	for(i=0; i<height; i++) {
+		memcpy(dest, src, width * 2);
+		dest += 320;
+		src += pitch_pix;
+	}
+}
+
+void blitfb_key(uint16_t *dest, uint16_t *src, int width, int height, int pitch_pix, uint16_t key)
+{
+	int i, j, dadv = 320 - width;
+
+	for(i=0; i<height; i++) {
+		for(j=0; j<width; j++) {
+			uint16_t scol = *src++;
+			if(scol != key) *dest = scol;
+			dest++;
+		}
+		dest += dadv;
+	}
+
+}