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fonts: add uyvy function

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This commit is contained in:
notaz 2012-11-18 00:21:30 +02:00
parent 9227a7770e
commit 3e1124f989
2 changed files with 41 additions and 0 deletions
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40
fonts.c
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@ -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;

1
fonts.h
View file

@ -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);