skip black in outline (white skip code is #if 0 as there is no speed difference)

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7019 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 33 insertions, 0 deletions

diff --git a/TOOLS/subfont-c/subfont.c b/TOOLS/subfont-c/subfont.c
index 5b7e131ab0..9439c9ae61 100644
--- a/TOOLS/subfont-c/subfont.c
+++ b/TOOLS/subfont-c/subfont.c
@@ -508,6 +508,38 @@ void outline(
 	int mwidth) {
 
     int x, y;
+#if 1
+    for (y = 0; y<height; y++) {
+	for (x = 0; x<width; x++) {
+	    const int src= s[x];
+	    if(src==0) continue;
+#if 0 
+	    if(src==255 && x>0 && y>0 && x+1<width && y+1<height
+	       && s[x-1]==255 && s[x+1]==255 && s[x-width]==255 && s[x+width]==255){
+		t[x + y*width]=255;
+            }else
+#endif
+	    {
+		const int x1=(x<r) ? r-x : 0;
+		const int y1=(y<r) ? r-y : 0;
+		const int x2=(x+r>=width ) ? r+width -x : 2*r+1;
+		const int y2=(y+r>=height) ? r+height-y : 2*r+1;
+		int my;
+
+		for(my= y1; my<y2; my++){
+		    unsigned char *dstp= t + (my+y-r)* width + x-r;
+		    int *mp  = m +  my     *mwidth;
+		    int mx;
+		    for(mx= x1; mx<x2; mx++){
+			const int tmp= (src*mp[mx] + 128)>>8;
+			if(dstp[mx] < tmp) dstp[mx]= tmp;
+		    }
+		}
+            }
+	}
+	s+= width;
+    }
+#else
     for (y = 0; y<height; ++y) {
 	for (x = 0; x<width; ++x, ++s, ++t) {
 	  //if(s[0]>=192) printf("%d\n",s[0]);
@@ -535,6 +567,7 @@ void outline(
 	    *t = 255;
 	}
     }
+#endif
 }