/* SCCSID @(#)osd.c	1.15 6/4/98 */ #ifdef OSD#include "../mvd.h"#include "../common.h"#ifdef SHARE_DATA#include "../const.h"#endif#include "util.h"#include "osd.h"#include "display.h"#include "dispinfo.h"#include "../vcxi.h"#include "../vcd.h"#include "common1.h"#include "../fsosd.h"#ifdef OSD_COMPRESSextern void OSD_decompression (int, unsigned char *, unsigned char *,			       unsigned char *, unsigned short *);#endif /* OSD_COMPRESS */int OSD2_X,OSD2_Y,OSD2_W,OSD2_H;void EVD_OSD_init(void){    int i;    OSD_on=0;    VCD30_OSD_DRAM_START = evd_disp_info[disp_mode].OSD_start;    mvd[vid_scn_osd_hstart] = OSD_hstart1 = evd_disp_info[disp_mode].OSD_X;    mvd[vid_scn_osd_hend]   = OSD_hend1 =		evd_disp_info[disp_mode].OSD_X + evd_disp_info[disp_mode].OSD_W;    if (vcx_scn_height == 288){        mvd[vid_scn_osd_vstart] = OSD_vstart1 = evd_disp_info[disp_mode].OSD_Y +2;        mvd[vid_scn_osd_vend] = OSD_vend1 =		OSD_vstart1 + evd_disp_info[disp_mode].OSD_H - 1;    }    else{        mvd[vid_scn_osd_vstart] = OSD_vstart1 = (evd_disp_info[disp_mode].OSD_Y )*13/16 + 5;        mvd[vid_scn_osd_vend] = OSD_vend1 =		OSD_vstart1 + evd_disp_info[disp_mode].OSD_H - 1;     }    mvd[vid_scn_osd_startstop] = 0x5560;    mvd[vid_scn_osd_misc]       = 0x44;    mvd[vid_scn_osd_palette+ 0] = OSD_CLEAR;    	/* 7000,Background   */    mvd[vid_scn_osd_palette+ 1] = (OSD_BLACK | 0xf);    /* e00b,Edge  */    mvd[vid_scn_osd_palette+ 2] = (OSD_GREEN | 0xb);    /* 399f,Extra color  */    mvd[vid_scn_osd_palette+ 3] = (OSD_WHITE | 0xf);    /* 700f,Foreground  */    mvd[vid_scn_osd_misc]       = 0x40;    mvd[vid_scn_osd_misc] = 0x01;    ClrOsd();    if (disp_mode<2){        ClrOsd2();    }    VCD30_OSD_TOTAL_AREAS = 1;}#ifdef BILINGUAL_OSDvoid OutputOsd(line, row, emsg, cmsg)char * cmsg;#elsevoid OutputOsd(line, row, emsg)#endif /* BILINGUAL_OSD */int line, row;char * emsg;{    int count;    int head, offset, dest;    int big;    int linewidth = evd_disp_info[disp_mode].OSD_W/4; /* In BYTE */    unsigned char *msg;#ifdef BILINGUAL_OSD    msg = (OSD_language == CHINESE_OSD) ? cmsg : emsg;#else    msg = emsg;#endif    /* Note, OSD_W is in pixels. Each pixel is 2b */    head = VCD30_OSD_DRAM_START * 4 +	   ((row-1) * linewidth * OSD_CHAR_HEIGHT/2) + (line-1)*6;    offset = 0;    count = 0;    if (OSD2_Y < 82) { Close_OSD2(); }    do {	unsigned int ctmp = msg[count];	if (ctmp == 0) break;	big = (ctmp >= FONT_CSTART);	dest = head + (offset << 2) + (offset << 1);	OSD_copy_one_char(ctmp, big, dest, (linewidth/4));	offset++;	if (big) offset++;	count++;    } while (1);    Open_OSD1();}void ClrOsd(void){    long             pDst;    unsigned int     i, j;    int tmp;    tmp = (evd_disp_info[disp_mode].OSD_W>>4)*evd_disp_info[disp_mode].OSD_H;    ClrOSD_comm(VCD30_OSD_DRAM_START,tmp);}void ClrOSD_comm(int addr, int len){    int j;    int *p;    p = (int*)dram(addr);    for( j=0; j<len; j++){        *(int*)p=0;        p++;    }}void ClrOsd2(void){    int tmp;    long             pDst;    unsigned int     i, j;    tmp = (evd_disp_info[disp_mode].OSD_H)*(evd_disp_info[disp_mode].OSD_W>>4);    ClrOSD_comm(VCD30_OSD_DRAM_START+tmp,OSD_size-tmp);}void OSD2_rect(int x, int y, int w, int h){    long             pDst;    unsigned int     i, j, k;    int tmp, htmp;    unsigned int mask = 0xa0000000;    Close_OSD2();    OSD2_X = x;    OSD2_Y = y;    OSD2_W = w;    OSD2_H = h;    htmp = OSD2_comm(x,y,w,h);    tmp = (evd_disp_info[disp_mode].OSD_H)*(evd_disp_info[disp_mode].OSD_W>>4);    pDst = VCD30_OSD_DRAM_START+tmp;    tmp = 0;    for (k=0;k<(w&0x07);k++){        tmp |= mask;        mask >>= 4;    }     for ( i= 0; i < htmp; i++){	for (j=0; j<w>>3; j++){            *(long*)dram(pDst)=0xaaaaaaaa;            pDst++;	}	if (w&0x07){            *(long*)dram(pDst)=tmp;            pDst++;	}    }}int OSD2_comm(int x, int y, int w, int h){    OSD_hstart2 = x<<1;    OSD_hend2 = (x+(((w+7)>>3)<<3))<<1;         /*to keep it DW boundary*/    if (vcx_scn_height == 240){        OSD_vstart2 = y*13/16+5;        OSD_vend2 = (y+h-1)*13/16+5;        return(h*13/16);    }    else{        OSD_vstart2 = y +2;        OSD_vend2 = y+h-1 +2;        return(h);    }}void OSD2(int x, int y, int w, int h){    long             pDst;    unsigned int     i, j;    int tmp, htmp;    if (y<82) {	Close_OSD1();    }    OSD2_comm(x,y,w,h);}void Close_OSD1(){    OSD1 = 0;    ClrOsd();} void Close_OSD2(){    VCD30_OSD_TOTAL_AREAS = 1;    ClrOsd2();}#if 0void Open_OSD1(){    OSD1 = 1;}void Open_OSD2(){    VCD30_OSD_TOTAL_AREAS = 2;}void Stop_OSD(){    OSD_on = 0;}void Start_OSD(){    OSD_on = 1;}#endif/* trans is 0-7: 0: trans, 7: overlay */void OSD_color(int color, int trans){    mvd[vid_scn_osd_startstop]  = 0x5560; /* cr = 5, b = 21, e = 32 */    mvd[vid_scn_osd_misc]       = 0x4;    mvd[vid_scn_osd_palette+ 2] = (color | 0x8 | trans);    /* 399f,Extra color  */}#endif