ref: 7577bfa10f5e2fe386bddff5c52c43d1f992cecd
dir: /draw.c/
#include <u.h>
#include <libc.h>
#include <thread.h>
#include <draw.h>
#include "dat.h"
#include "fncs.h"
typedef struct{
int fd;
uvlong size;
uchar *data;
} WriteArg;
void
picwriteproc(void *arg)
{
int i, n;
WriteArg *a = arg;
int fd = a->fd;
uchar *data = a->data;
uvlong towrite = a->size;
free(a);
for(i = 0;towrite>0;){
n = write(fd, data+i, towrite);
i+=n;
towrite-=n;
}
close(fd);
}
typedef struct{
int fdin;
int fdout;
Channel *cpid;
char *cmd;
} ExecArg;
void
picexecproc(void *arg)
{
ExecArg *a = arg;
dup(a->fdin, 0);
dup(a->fdout, 1);
procexecl(a->cpid, a->cmd, a->cmd, "-9", nil);
}
void
picresizeproc(void *arg)
{
ExecArg *a = arg;
dup(a->fdin, 0);
dup(a->fdout, 1);
procexecl(a->cpid, "/bin/resize", "resize", "-x", "256", "-y", "256", nil);
}
char*
mime2bin(char *mime)
{
char *start = strchr(mime, '/');
if(start!=nil)
start+=1;
else
start = mime;
if(strcmp(start, "png") == 0)
return strdup("/bin/png");
if(strcmp(start, "jpeg") == 0 || strcmp(start, "jpg") == 0)
return strdup("/bin/jpg");
return nil;
}
Image*
convpic(int fd, char *mime)
{
ExecArg *e;
Image *i;
int convout[2];
int resize[2];
pipe(convout);
pipe(resize);
e = emalloc(sizeof(ExecArg));
e->cpid = chancreate(sizeof(int), 0);
e->fdin = fd;
e->fdout = convout[0];
e->cmd = mime2bin(mime);
procrfork(picexecproc, e, 8192, RFFDG);
recv(e->cpid, nil);
chanfree(e->cpid);
free(e->cmd);
e->cpid = chancreate(sizeof(int), 0);
e->fdin = convout[1];
e->fdout = resize[0];
procrfork(picresizeproc, e, 8192, RFFDG);
recv(e->cpid, nil);
chanfree(e->cpid);
free(e);
i = readimage(display, resize[1], 0);
close(convout[0]);
close(convout[1]);
close(resize[0]);
close(resize[1]);
return i;
}
Image*
convpicbuf(uchar *buf, uvlong size, char *mime)
{
WriteArg *w;
int p[2];
Image *i;
pipe(p);
w = emalloc(sizeof(WriteArg));
w->fd = p[0];
w->data = buf;
w->size = size;
procrfork(picwriteproc, w, 8192, RFFDG);
/* other proc frees w */
i = convpic(p[1], mime);
close(p[0]);
close(p[1]);
return i;
}
Image*
readcover(Song *s)
{
char buf[512], cover[512];
char *dot, *end;
int fd, n, i;
Dir *files;
Image *im;
dot = strrchr(s->path, '/');
if(dot == nil)
sysfatal("readcover: bad song path");
end = buf+(dot-s->path)+1;
if(end - buf >= sizeof buf)
sysfatal("readcover: buffer too small");
seprint(buf, end, "%s", s->path);
fd = open(buf, OREAD);
if(fd < 0)
sysfatal("readcover: %r");
n = dirreadall(fd, &files);
close(fd);
if(n <= 0)
sysfatal("readcover: no files in dir");
for(i=0;i<n;i++){
dot = cistrstr(files[i].name, "cover.");
if(dot == nil){
dot = cistrstr(files[i].name, "folder.");
if(dot == nil)
continue;
}
dot = strrchr(dot, '.');
dot++;
snprint(cover, 512, "%s/%s", buf, files[i].name);
fd = open(cover, OREAD);
if(fd<0)
continue;
im = convpic(fd, dot);
close(fd);
return im;
}
return nil;
}
Point
drawalbum(Album *a, Image *textcolor, Image *active, Point start, int cursong, Channel *clickout)
{
uint i;
Font *f = screen->display->defaultfont;
Rune *tracktitle = nil;
Point p = start;
Click c;
if(a->nocover == 0 && a->cover == nil)
if((a->cover = readcover(a->songs)) == nil)
a->nocover = 1; /* Don't search again */
if(a->cover != nil){
draw(screen, Rpt(p, addpt(p, a->cover->r.max)), a->cover, nil, ZP);
p.x += a->cover->r.max.x;
}
runestring(screen, p, textcolor, ZP, f, a->name);
p.y += f->height * 2;
for(i=0;i<a->nsong;i++){
switch((a->songs+i)->type){
case FLAC:
tracktitle = (a->songs+i)->fmeta->title;
break;
case MP3:
tracktitle = (a->songs+i)->idmeta->title;
break;
case VORBIS:
tracktitle = (a->songs+i)->vmeta->title;
break;
case RADIO:
tracktitle = (a->songs+i)->title;
if(tracktitle == nil)
return start;
break;
default:
sysfatal("Unknown song type");
}
runestring(screen, p, i == cursong ? active : textcolor, ZP, f, tracktitle);
c.r = Rpt(p, Pt(p.x+runestrlen(tracktitle)*f->width,p.y+f->height));
c.a = a;
c.songnum = i;
c.type = CSONG;
send(clickout, &c);
p.y += f->height;
}
if(p.y > start.y+256)
start.y = p.y;
else
start.y+=256;
return start;
}
void
drawlibrary(Lib *l, Point p, Image *textcolor, Image *active, Channel *clickout)
{
Album *start, *stop, *cur, *screenstop;
int cursong, height;
start = l->cur;
stop = l->stop;
cur = l->cur;
cursong = l->cursong;
height = screen->r.max.y - screen->r.min.y;
screenstop = start+(height/256)-1;
stop = screenstop < stop ? screenstop : stop;
stop+=1;
if(start==stop)
stop++;
for(;start!=stop;start++){
p = drawalbum(start, textcolor, active, p, start == cur ? cursong : -1, clickout);
}
}
void
drawlists(Point p, Image *textcolor, Image *active, Image *background, Channel *clickout)
{
Rectangle r;
int n, i;
int fd;
Dir *files;
char buf[512];
Font *f = screen->display->defaultfont;
Hmap *h;
char **keys, *dot;
Click c;
libdir(buf, sizeof buf);
fd = open(buf, OREAD);
if(fd < 0)
sysfatal("could not open libdir");
n = dirreadall(fd, &files);
close(fd);
if(n <= 0){
free(files);
return;
}
h = allocmap(32);
r.min = p;
r.max.x = r.min.x + 256;
r.max.y = screen->r.max.y;
draw(screen, r, background, nil, ZP);
for(i=0;i<n;i++){
if((dot = strrchr(files[i].name, '.')) != nil)
*dot = '\0';
mapinsert(h, files[i].name, nil);
}
keys = emalloc(sizeof(char*)*n);
n = mapdumpkey(h, keys, n);
for(i=0;i<n;i++){
string(screen, p, textcolor, ZP, f, keys[i]);
c.r = Rpt(p, Pt(p.x+strlen(keys[i])*f->width,p.y+f->height));
c.list = strdup(keys[i]);
c.type = CLIST;
send(clickout, &c);
p.y += f->height;
}
freemap(h);
free(keys);
free(files);
}
void
drawvolume(int level, Image* color)
{
Point p;
char buf[128];
Font *f = screen->display->defaultfont;
int n = snprint(buf, sizeof buf, "Vol: %d%%", level);
p.y = screen->r.min.y;
p.x = screen->r.max.x;
p.x-=(n*f->width);
string(screen, p, color, ZP, f, buf);
}