winamp/Src/Winamp/plush/TEXT.C

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2024-09-24 12:54:57 +00:00
/******************************************************************************
Plush Version 1.1
text.c
Text code and data (8xX bitmapped)
Copyright (c) 1996-2000, Justin Frankel
******************************************************************************/
#include "plush.h"
#include <stdarg.h>
static pl_uChar font_height = 16;
static pl_uChar *current_font = plText_DefaultFont;
void plTextSetFont(pl_uChar *font, pl_uChar height) {
current_font = font;
font_height = height;
}
void plTextPutChar(pl_Cam *cam, pl_sInt x, pl_sInt y, pl_Float z,
pl_uChar color, pl_uChar c) {
pl_uChar *font = current_font + (c*font_height);
pl_sInt offset = x+(y*cam->ScreenWidth);
pl_ZBuffer zz = (pl_ZBuffer) (1.0/z);
pl_sInt xx = x, a;
pl_uChar len = font_height;
pl_uChar ch;
pl_uChar *outmem;
pl_ZBuffer *zbuffer;
if (y+font_height < cam->ClipTop || y >= cam->ClipBottom) return;
if (y < cam->ClipTop) {
font += (cam->ClipTop-y);
offset += (cam->ClipTop-y)*cam->ScreenWidth;
len -= (cam->ClipTop-y);
y = cam->ClipTop;
}
if (y+font_height >= cam->ClipBottom) {
len = cam->ClipBottom-y;
}
if (len > 0) {
if (cam->zBuffer && z != 0.0) do {
outmem = cam->frameBuffer + offset;
zbuffer = cam->zBuffer + offset;
offset += cam->ScreenWidth;
xx = x;
ch = *font++;
a = 128;
while (a) {
if (xx >= cam->ClipRight) break;
if (xx++ >= cam->ClipLeft)
if (ch & a)
if (zz > *zbuffer) {
*zbuffer = zz;
*outmem = color;
}
zbuffer++;
outmem++;
a >>= 1;
}
if (a) break;
} while (--len);
else do {
outmem = cam->frameBuffer + offset;
offset += cam->ScreenWidth;
xx = x;
ch = *font++;
a = 128;
while (a) {
if (xx >= cam->ClipRight) break;
if (xx++ >= cam->ClipLeft) if (ch & a) *outmem = color;
outmem++;
a >>= 1;
}
if (a) break;
} while (--len);
}
}
void plTextPutStr(pl_Cam *cam, pl_sInt x, pl_sInt y, pl_Float z,
pl_uChar color, pl_sChar *string) {
pl_sInt xx = x;
while (*string) {
switch (*string) {
case '\n': y += font_height; xx = x; break;
case ' ': xx += 8; break;
case '\r': break;
case '\t': xx += 8*5; break;
default:
plTextPutChar(cam,xx,y,z,color,(pl_uChar) *string);
xx += 8;
break;
}
string++;
}
}
void plTextPutStrW(pl_Cam* cam, pl_sInt x, pl_sInt y, pl_Float z,
pl_uChar color, const wchar_t* string) {
pl_sInt xx = x;
while (*string) {
switch (*string) {
case L'\n': y += font_height; xx = x; break;
case L' ': xx += 8; break;
case L'\r': break;
case L'\t': xx += 8 * 5; break;
default:
plTextPutChar(cam, xx, y, z, color, (pl_uChar)*string);
xx += 8;
break;
}
string++;
}
}
void plTextPrintf(pl_Cam *cam, pl_sInt x, pl_sInt y, pl_Float z,
pl_uChar color, pl_sChar *format, ...) {
va_list arglist;
pl_sChar str[256];
va_start(arglist, format);
vsprintf((char *)str, (char *) format,arglist);
va_end(arglist);
plTextPutStr(cam,x,y,z,color,str);
}