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Code Issues Releases Wiki Activity

Support UTF8 in OSD text

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18720 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2006-06-15 08:05:51 +00:00
parent c95cda1aa8
commit 49192fddd6
1 changed files with 31 additions and 2 deletions
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33
libvo/sub.c
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@ -140,6 +140,35 @@ inline static void vo_draw_text_from_buffer(mp_osd_obj_t* obj,void (*draw_alpha)
}
}
static unsigned utf8_get_char(char **str) {
uint8_t *strp = (uint8_t *)*str;
unsigned c = *strp++;
unsigned mask = 0x80;
int len = -1;
while (c & mask) {
mask >>= 1;
len++;
}
if (len <= 0 || len > 4)
goto no_utf8;
c &= mask - 1;
while ((*strp & 0xc0) == 0x80) {
if (len-- <= 0)
goto no_utf8;
c = (c << 6) | (*strp++ & 0x3f);
}
if (len)
goto no_utf8;
*str = (char *)strp;
return c;
no_utf8:
strp = (uint8_t *)*str;
c = *strp++;
*str = (char *)strp;
return c;
}
inline static void vo_update_text_osd(mp_osd_obj_t* obj,int dxs,int dys){
unsigned char *cp=vo_osd_text;
int x=20;
@ -150,7 +179,7 @@ inline static void vo_update_text_osd(mp_osd_obj_t* obj,int dxs,int dys){
obj->bbox.y1=obj->y=10;
while (*cp){
int c=*cp++;
uint16_t c=utf8_get_char(&cp);
render_one_glyph(vo_font, c);
x+=vo_font->width[c]+vo_font->charspace;
h=get_height(c,h);
@ -165,7 +194,7 @@ inline static void vo_update_text_osd(mp_osd_obj_t* obj,int dxs,int dys){
cp=vo_osd_text;
x = obj->x;
while (*cp){
int c=*cp++;
uint16_t c=utf8_get_char(&cp);
if ((font=vo_font->font[c])>=0)
draw_alpha_buf(obj,x,obj->y,
vo_font->width[c],