fonts: add uyvy function

diff --git a/fonts.c b/fonts.c
index cbad3c6..c1164b4 100644 (file)
--- a/fonts.c
+++ b/fonts.c
@@ -261,6 +261,46 @@ void basic_text_out16_nf(void *fb, int w, int x, int y, const char *text)
        }
 }
 
+void basic_text_out_uyvy_nf(void *fb, int w, int x, int y, const char *text)
+{
+       int i, l;
+       unsigned short *screen;
+
+       screen = (unsigned short *)fb + x + y * w;
+       for (i = 0; ; i++, screen += 8)
+       {
+               char c = text[i];
+               if (c == 0)
+                       break;
+               if (c == ' ')
+                       continue;
+
+               for (l = 0; l < 8; l++)
+               {
+                       unsigned char fd = fontdata8x8[c * 8 + l];
+                       unsigned char *s = (void *)(screen + l * w);
+                       unsigned char fd1, fdp = 0;
+
+                       if (fd&0x80) s[0 * 2 + 1] = 235;
+                       if (fd&0x40) s[1 * 2 + 1] = 235;
+                       if (fd&0x20) s[2 * 2 + 1] = 235;
+                       if (fd&0x10) s[3 * 2 + 1] = 235;
+                       if (fd&0x08) s[4 * 2 + 1] = 235;
+                       if (fd&0x04) s[5 * 2 + 1] = 235;
+                       if (fd&0x02) s[6 * 2 + 1] = 235;
+                       if (fd&0x01) s[7 * 2 + 1] = 235;
+
+                       // draw "shadow"
+                       if (l > 0)
+                               fdp = fontdata8x8[c * 8 + l - 1];
+
+                       for (fd1 = 0x80; fd1 != 0; fd1 >>= 1, s += 2)
+                               if (!(fd & (fd1 >> 1)) && ((fdp | fd) & fd1))
+                                       s[1] /= 2;
+               }
+       }
+}
+
 void basic_text_out16(void *fb, int w, int x, int y, const char *texto, ...)
 {
        va_list args;

diff --git a/fonts.h b/fonts.h
index b66993c..e565c93 100644 (file)
--- a/fonts.h
+++ b/fonts.h
@@ -4,3 +4,4 @@ extern unsigned char fontdata6x8[256-32][8];
 
 void basic_text_out16_nf(void *fb, int w, int x, int y, const char *text);
 void basic_text_out16(void *fb, int w, int x, int y, const char *texto, ...);
+void basic_text_out_uyvy_nf(void *fb, int w, int x, int y, const char *text);