mpv/libvo/sub.c

215 lines
6.0 KiB
C
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#include "sub.h"
//static int vo_font_loaded=-1;
font_desc_t* vo_font=NULL;
unsigned char* vo_osd_text="00:00:00";
int sub_unicode=0;
static void vo_draw_text_osd(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
int len=strlen(vo_osd_text);
int j;
int y=10;
int x=20;
for(j=0;j<len;j++){
int c=vo_osd_text[j];
int font=vo_font->font[c];
if(font>=0)
draw_alpha(x,y,
vo_font->width[c],
vo_font->pic_a[font]->h,
vo_font->pic_b[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->w);
x+=vo_font->width[c]+vo_font->charspace;
}
}
int vo_osd_progbar_type=-1;
int vo_osd_progbar_value=100; // 0..255
static void vo_draw_text_progbar(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
int len=strlen(vo_osd_text);
int i;
int y=dys/2;
int x;
int c,font;
int width=(dxs*2/3-vo_font->width[0x10]-vo_font->width[0x12]);
int elems=width/vo_font->width[0x11];
int mark=(vo_osd_progbar_value*(elems+1))>>8;
x=(dxs-width)/2;
// printf("osd.progbar width=%d xpos=%d\n",width,x);
c=vo_osd_progbar_type;font=vo_font->font[c];
if(vo_osd_progbar_type>0 && font>=0)
draw_alpha(x-vo_font->width[c]-vo_font->spacewidth,y,
vo_font->width[c],
vo_font->pic_a[font]->h,
vo_font->pic_b[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->w);
c=OSD_PB_START;font=vo_font->font[c];
if(font>=0)
draw_alpha(x,y,
vo_font->width[c],
vo_font->pic_a[font]->h,
vo_font->pic_b[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->w);
x+=vo_font->width[c];
for(i=0;i<elems;i++){
c=(i<mark)?OSD_PB_0:OSD_PB_1;font=vo_font->font[c];
if(font>=0)
draw_alpha(x,y,
vo_font->width[c],
vo_font->pic_a[font]->h,
vo_font->pic_b[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->w);
x+=vo_font->width[c];
}
c=OSD_PB_END;font=vo_font->font[c];
if(font>=0)
draw_alpha(x,y,
vo_font->width[c],
vo_font->pic_a[font]->h,
vo_font->pic_b[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->w);
// x+=vo_font->width[c];
// vo_osd_progbar_value=(vo_osd_progbar_value+1)&0xFF;
}
subtitle* vo_sub=NULL;
static void vo_draw_text_sub(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
int i;
int y;
y=dys-(1+vo_sub->lines-1)*vo_font->height-10;
// too long lines divide into smaller ones
for(i=0;i<vo_sub->lines;i++){
unsigned char* text=vo_sub->text[i];
int len=strlen(text);
int j,k;
int xsize=-vo_font->charspace;
int x=0;
int lastStripPosition=-1;
int previousStrip=0;
int lastxsize=0;
for(j=0;j<len;j++){
int c=text[j];
int w;
if (sub_unicode && (c>=0x80)) c=(c<<8)+text[++j];
w = vo_font->width[c];
if (text[j]==' ' && dxs>xsize)
{
lastStripPosition=j;
lastxsize=xsize;
}
xsize+=w+vo_font->charspace;
if (dxs<xsize & lastStripPosition>0)
{
xsize=lastxsize;
j=lastStripPosition;
y-=vo_font->height;
previousStrip=lastStripPosition;
xsize=-vo_font->charspace;
}
}
}
for(i=0;i<vo_sub->lines;i++){
unsigned char* text=vo_sub->text[i];// "Hello World! H<>DEJ<45>!";
int len=strlen(text);
int j,k;
int xsize=-vo_font->charspace;
int x=0;
int lastStripPosition=-1;
int previousStrip=0;
int lastxsize=xsize;
for(j=0;j<len;j++){
int c=text[j];
int w;
if (sub_unicode && (c>=0x80)) c=(c<<8)+text[++j];
w = vo_font->width[c];
if (c==' ' && dxs>xsize)
{
lastStripPosition=j;
lastxsize=xsize;
}
xsize+=w+vo_font->charspace;
if ((dxs<xsize & lastStripPosition>0)| j==len-1)
{
if (j==len-1) lastStripPosition=len;
else xsize=lastxsize;
j=lastStripPosition;
x=dxs/2-xsize/2;
for(k=previousStrip;k<lastStripPosition;k++){
int c=text[k];
int font;
if (sub_unicode && (c>=0x80)) c=(c<<8)+text[++k];
font=vo_font->font[c];
if(x>=0 && x+vo_font->width[c]<dxs)
if(font>=0)
draw_alpha(x,y,
vo_font->width[c],
vo_font->pic_a[font]->h,
vo_font->pic_b[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->bmp+vo_font->start[c],
vo_font->pic_a[font]->w);
x+=vo_font->width[c]+vo_font->charspace;
}
x=0;
y+=vo_font->height;
previousStrip=lastStripPosition;
xsize=lastxsize=-vo_font->charspace;
}
}
}
}
static int draw_alpha_init_flag=0;
void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
if(!vo_font) return; // no font
if(!draw_alpha_init_flag){
draw_alpha_init_flag=1;
vo_draw_alpha_init();
}
if(vo_osd_text){
vo_draw_text_osd(dxs,dys,draw_alpha);
}
if(vo_sub){
vo_draw_text_sub(dxs,dys,draw_alpha);
}
if(vo_osd_progbar_type>=0){
vo_draw_text_progbar(dxs,dys,draw_alpha);
}
}