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winamp/Src/Winamp/draw_sa.cpp

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2024-09-24 12:54:57 +00:00
/** (c) Nullsoft, Inc. C O N F I D E N T I A L
** Filename:
** Project:
** Description:
** Author:
** Created:
**/
#include "Main.h"
#include "draw.h"
#include "WADrawDC.h"
unsigned char *specData;
int sa_safe=0;
int sa_kill=1;
void draw_sa(unsigned char *values, int draw)
{
static int bx[75];
static int t_bx[75];
static float t_vx[75];
int x;
int fo[5] = {3, 6, 12, 16, 32 };
float pfo[5]={1.05f,1.1f,1.2f,1.4f,1.6f};
int dbx;
float spfo;
int ws=(config_windowshade&&config_mw_open);
int s = (config_dsize&&config_mw_open)?1:0;
unsigned char *gmem;
dbx = fo[max(min(config_safalloff,4),0)];
spfo=pfo[max(min(config_sa_peak_falloff,4),0)];
sa_safe++;
if (sa_kill || !draw_initted || !specData)
{
sa_safe--;
return ;
}
if (s && draw)
{
int y;
gmem = specData;
if (!ws)
{
for (y = 0; y < 8; y++)
{
int *smem = (int *) gmem;
for (int x = 0; x < 76; x ++)
*smem++ = 0x0101;
gmem += 76*2*2;
memset(gmem,0,76*2*2);
gmem += 76*2*2;
}
}
else
{
gmem += 76*2*(32-10);
for (y = 0; y < 10; y++)
{
memset(gmem,0,76);
gmem += 76*2;
}
}
}
else if (draw)
{
int y;
gmem = specData+76*2*16;
if (!ws)
{
for (y = 0; y < 8; y++)
{
int *smem = (int *) gmem;
for (int x = 0; x < 76/4; x ++)
*smem++ = 0x10001;
gmem += 76*2;
memset(gmem,0,76);
gmem += 76*2;
}
}
else
{
gmem += 76*2*(16-5);
for (y = 0; y < 5; y++)
{
memset(gmem,0,76/2);
gmem += 76*2;
}
}
}
if (!values)
{
memset(bx,0,75*sizeof(int));
}
else if (!s) // singlesize
{
if (!ws) // non windowshade singlesize
{
if (config_sa == 2) // non windowshade singlesize oscilliscope
{
gmem = specData + 76*2*14;
if (draw)
{
int lv=-1;
if (((config_safire>>2)&3)==0) for (x = 0; x < 75; x ++)
{
register int v; register char c;
v = (((int) ((signed char *)values)[x])) + 8;
if (v < 0) v = 0 ; if (v > 15) v = 15; c = v/2-4; if (c < 0) c = -c; c += 18;
gmem[v*76*2] = c;
gmem++;
}
else if (((config_safire>>2)&3)==1) for (x = 0; x < 75; x ++)
{
register int v,t; register char c;
v = (((int) ((signed char *)values)[x])) + 8;
if (v < 0) v = 0 ; if (v > 15) v = 15; c = v/2-4; if (c < 0) c = -c; c += 18;
if (lv == -1) lv=v;
t=lv;
lv=v;
if (v >= t) while (v >= t) gmem[v--*76*2] = c;
else while (v < t) gmem[v++*76*2] = c;
gmem++;
}
else if (((config_safire>>2)&3)==2) for (x = 0; x < 75; x ++) // solid
{
register int v; register char c;
v = (((int) ((signed char *)values)[x])) + 8;
if (v < 0) v = 0 ; if (v > 15) v = 15; c = v/2-4; if (c < 0) c = -c; c += 18;
if (v > 7) while (v > 7) gmem[v--*76*2] = c;
else while (v <= 7) gmem[v++*76*2] = c;
gmem++;
}
}
}
else // non windowshade singlesize spectrum analyzer
{
for (x = 0; x < 75; x ++)
{
register int y,v,t;
t=x&~3;
if (!(config_safire&32))
{
int a=values[t],b=values[t+1],c=values[t+2],d=values[t+3];
v = a+b+c+d;//-min(a,min(b,min(c,d)));
v/=4;
}
else v = (((int)values[x]));
if (v > 15) v = 15;
if ((v<<4) < bx[x]) v = (bx[x]-=dbx)>>4;
else bx[x] = v<<4;
if (bx[x] < 0) bx[x] = 0;
if (v < 0) v = 0;
gmem = specData + 76*2*14 + x;
if ((config_safire&3)==1) t = v+2;
else if ((config_safire&3)==2) t=17-(v);
else t = 17;
if (t_bx[x] <= v*256) {
t_bx[x]=v*256;
t_vx[x]=3.0f;
}
if (draw && (config_safire&32 || (x&3)!=3))
{
if ((config_safire&3)!=2) for (y = 0; y < v; y ++)
{
*gmem = t-y;
gmem += 76*2;
}
else for (y = 0; y < v; y ++)
{
*gmem = t;
gmem += 76*2;
}
if (config_sa_peaks && t_bx[x]/256 >= 0 && t_bx[x]/256 <= 15)
{
specData[76*2*14 + (t_bx[x]/256)*76*2 + x]=23;
}
}
t_bx[x] -= (int)t_vx[x];
t_vx[x] *= spfo;
if (t_bx[x] < 0) t_bx[x]=0;
}
}
}
else // windowshade singlesize
{
if (config_sa==1) // windowshade singlesize spectrum analyzer
{
gmem = specData+76*2*(32-5);
for (x = 0; x < 37; x ++)
{
register int y,v,t;
t=((x)&~3)*2;
if (!(config_safire&32))
{
int a=values[t],b=values[t+1],c=values[t+2],d=values[t+3];
v = a+b+c+d;//-min(a,min(b,min(c,d)));
v/=4;
}
else v = (((int)values[x*2])+((int)values[x*2+1]))/2;
if (v > 15) v = 15;
if ((v<<4) < bx[x*2]) v = (bx[x*2]-=dbx)>>4;
else bx[x*2] = v<<4;
if (bx[x*2] < 0) bx[x*2] = 0;
if (v < 0) v = 0;
gmem = specData + 76*2*(32-5) + x;
if ((config_safire&3)==1) t = v+2;
else if ((config_safire&3)==2) t=17-(v);
else t = 17;
if (t_bx[x*2] <= v*256) {
t_bx[x*2]=v*256;
t_vx[x*2]=3.0f;
}
v = (v * 5)/15;
if (v > 5) v=5;
if (draw && (config_safire&32 || (x&3)!=3))
{
int poo=(t_bx[x*2]*5)/15/256;
if ((config_safire&3)!=2) for (y = 0; y < v; y ++)
{
*gmem = t-(y*15)/5;
gmem += 76*2;
}
else for (y = 0; y < v; y ++)
{
*gmem = t;
gmem += 76*2;
}
if (config_sa_peaks && poo >= 0 && poo <= 4)
{
specData[76*2*(32-5) + poo*76*2 + x]=23;
}
}
t_bx[x*2] -= (int)t_vx[x*2];
t_vx[x*2] *= spfo;
if (t_bx[x*2] < 0) t_bx[x*2]=0;
}
}
else if (config_sa == 2) // windowshade singlesize oscilliscope
{
int wm=((config_safire>>2)&3);
int lastv=-5;
gmem = specData+76*2*(32-5);
for (x = 0; x < 38; x ++)
{
int v = (((int) ((signed char *)values)[x])) + 8;
v *= 5;
v /= 16;
if (v < 0) v = 0 ; if (v > 4) v = 4;
if (wm==0 || lastv==-5)
{
lastv=v;
gmem[x+v*76*2] = 18;
}
else if (wm == 1)
{
int tmp=lastv;
lastv=v;
if (v >= tmp) while (v>=tmp) { gmem[x+v--*76*2] = 18; }
else while (v<=tmp) { gmem[x+v++*76*2] = 18; }
}
else if (wm == 2)
{
if (v >= 2) while (v>=2) { gmem[x+v--*76*2] = 18; }
else while (v<=2) { gmem[x+v++*76*2] = 18; }
}
}
}
}
}
else // doublesize
{
if (!ws)
{
if (config_sa == 2)
{
gmem = specData;// + 76*2*16;
if (draw)
{
int lv=-1;
if (((config_safire>>2)&3)==0) for (x = 0; x < 75*2; x += 2)
{
register int v; register char c;
v = (((int) ((signed char *)values)[x/2])) + 8;
if (v < 0) v = 0; if (v > 15) v = 15; c = v/2-4; if (c < 0) c = -c; c += 18;
gmem[v*76*2*2] = c; gmem++[v*76*2*2 + 76*2] = c;
gmem[v*76*2*2] = c; gmem++[v*76*2*2 + 76*2] = c;
}
else if (((config_safire>>2)&3)==1) for (x = 0; x < 75*2; x += 2)
{
register int v,t; register char c;
v = (((int) ((signed char *)values)[x/2])) + 8;
if (v < 0) v = 0; if (v > 15) v = 15; c = v/2-4; if (c < 0) c = -c; c += 18;
if (lv == -1) lv=v;
t=lv;
lv=v;
if (v >= t) while (v >= t)
{
gmem[v*76*2*2] = c;
gmem[v*76*2*2 + 76*2] = c;
gmem[v*76*2*2 + 1] = c;
gmem[v*76*2*2 + 76*2 + 1] = c;
v--;
}
else while (v < t)
{
gmem[v*76*2*2] = c;
gmem[v*76*2*2 + 76*2] = c;
gmem[v*76*2*2 + 1] = c;
gmem[v*76*2*2 + 76*2 + 1] = c;
v++;
}
gmem+=2;
}
else if (((config_safire>>2)&3)==2) for (x = 0; x < 75*2; x += 2)
{
register int v; register char c;
v = (((int) ((signed char *)values)[x/2])) + 8;
if (v < 0) v = 0; if (v > 15) v = 15; c = v/2-4; if (c < 0) c = -c; c += 18;
if (v > 7) while (v > 7)
{
gmem[v*76*2*2] = c;
gmem[v*76*2*2 + 76*2] = c;
gmem[v*76*2*2 + 1] = c;
gmem[v*76*2*2 + 76*2 + 1] = c;
v--;
}
else while (v <= 7)
{
gmem[v*76*2*2] = c;
gmem[v*76*2*2 + 76*2] = c;
gmem[v*76*2*2 + 1] = c;
gmem[v*76*2*2 + 76*2 + 1] = c;
v++;
}
gmem+=2;
}
}
}
else
{
for (x = 0; x < 75*2;)
{
register int y,v, t;
t=(x/2)&~3;
if (!(config_safire&32))
{
int a=values[t],b=values[t+1],c=values[t+2],d=values[t+3];
v = a+b+c+d;//-min(a,min(b,min(c,d)));
v/=4;
}
else v = (((int)values[x/2]));
if (v > 15) v = 15;
if ((v<<4) < bx[x/2]) v = (bx[x/2]-=dbx)>>4;
else bx[x/2] = v<<4;
if (bx[x/2] < 0) bx[x/2] = 0;
if (v < 0) v = 0;
gmem = specData+x;
if ((config_safire&3)==1) t = v+2;
else if ((config_safire&3)==2) t = 17 - v;
else t = 17;
if (t_bx[x/2] <= v*256) {
t_bx[x/2]=v*256;
t_vx[x/2]=3.0f;
}
v*=2;
if (draw && (config_safire&32 || ((x/2)&3)!=3))
{
if ((config_safire&3)!=2) for (y = 0; y < v; y ++)
{
gmem[0] = gmem[1] = t-y/2;
gmem += 76*2;
}
else for (y = 0; y < v; y ++)
{
gmem[0] = gmem[1] = t;
gmem += 76*2;
}
if (config_sa_peaks && t_bx[x/2]/256 > 0 && t_bx[x/2]/256 <= 15)
{
specData[(t_bx[x/2]/256)*76*4 + x]=specData[(t_bx[x/2]/256)*76*4 + x+1]=23;
specData[(t_bx[x/2]/256)*76*4 + x + 76*2]=specData[(t_bx[x/2]/256)*76*4 + x+1+ 76*2]=23;
}
}
t_bx[x/2] -= (int)t_vx[x/2];
t_vx[x/2] *=spfo;
if (t_bx[x/2] < 0) t_bx[x/2]=0;
x+=2;
}
}
}
else
{
if (config_sa == 2) // doublesize window shade scope
{
int wm=((config_safire>>2)&3);
int lastv=-5;
gmem = specData+76*2*(32-10);
for (x = 0; x < 75; x ++)
{
int v = (((int) ((signed char *)values)[x])) + 8;
v *= 10;
v /= 16;
if (v < 0) v = 0 ; if (v > 9) v = 9;
if (wm==0 || lastv==-5)
{
lastv=v;
gmem[x+v*76*2] = 18;
}
else if (wm == 1)
{
int tmp=lastv;
lastv=v;
if (v >= tmp) while (v>=tmp) { gmem[x+v--*76*2] = 18; }
else while (v<=tmp) { gmem[x+v++*76*2] = 18; }
}
else if (wm == 2)
{
if (v >= 4) while (v>=4) { gmem[x+v--*76*2] = 18; }
else while (v<=4) { gmem[x+v++*76*2] = 18; }
}
}
}
if (config_sa == 1) { // doublesize window shade spectrum
for (x = 0; x < 75; x ++)
{
register int y,v,t;
t=(x)&~3;
if (!(config_safire&32))
{
int a=values[t],b=values[t+1],c=values[t+2],d=values[t+3];
v = a+b+c+d;//-min(a,min(b,min(c,d)));
v/=4;
}
else v = (int)values[x];
if (v > 15) v = 15;
if ((v<<4) < bx[x]) v = (bx[x]-=dbx)>>4;
else bx[x] = v<<4;
if (bx[x] < 0) bx[x] = 0;
if (v < 0) v = 0;
gmem = specData + 76*2*(32-10) + x;
if ((config_safire&3)==1) t = v+2;
else if ((config_safire&3)==2) t=17-(v);
else t = 17;
if (t_bx[x] <= v*256) {
t_bx[x]=v*256;
t_vx[x]=3.0f;
}
v = (v * 10)/15;
if (draw && (config_safire&32 || (x&3)!=3))
{
int poo=(t_bx[x]*10)/15/256;
if ((config_safire&3)!=2) for (y = 0; y < v; y ++)
{
*gmem = t-(y*15)/10;
gmem += 76*2;
}
else for (y = 0; y < v; y ++)
{
*gmem = t;
gmem += 76*2;
}
if (config_sa_peaks && poo >= 0 && poo <= 9)
{
specData[76*2*(32-10) + poo*76*2 + x]=23;
}
}
t_bx[x] -= (int)t_vx[x];
t_vx[x] *= spfo;
if (t_bx[x] < 0) t_bx[x]=0;
}
}
}
}
if (draw)
{
if (config_mw_open && hVisWindow)
{
WADrawDC myDC(hVisWindow);
if (myDC)
{
do_palmode(myDC);
if(values)
{
if (!ws) BitBlt(myDC,0,0,76<<s,16<<s,specDC,0,0,SRCCOPY);
else BitBlt(myDC,0,0,38<<s,5<<s,specDC,0,0,SRCCOPY);
}
else
{
InvalidateRect(hMainWindow,NULL,FALSE);
}
}
}
else if (config_pe_open && config_pe_width >= 350 && config_pe_height != 14 && hPLVisWindow)
{
if (hPLWindow)
{
WADrawDC myDC(hPLVisWindow);
if (myDC)
{
do_palmode(myDC);
if(values)
BitBlt(myDC,0,0,72,16,specDC,0,0,SRCCOPY);
else
InvalidateRect(hPLWindow,NULL,FALSE);
}
}
}
}
sa_safe--;
}