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/*
$Id: aalib.c 3624 2008-04-19 02:07:36Z matju $
GridFlow
Copyright (c) 2001-2008 by Mathieu Bouchard
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See file ../COPYING for further informations on licensing terms.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "../gridflow.h.fcs"
#define aa_hardwareparams aa_hardware_params
#include <aalib.h>
#include <map>
/* MINNOR is a typo in aalib.h, sorry */
typedef
#if AA_LIB_MINNOR == 2
int
#else
enum aa_attribute
#endif
AAAttr;
static std::map<string,const aa_driver *> drivers;
\class FormatAALib : Format {
aa_context *context;
aa_renderparams *rparams;
\attr bool autodraw;
bool raw_mode;
/* !@#$ varargs missing here */
\constructor (t_symbol *mode, string target) {
context=0; autodraw=1;
argc-=2; argv+=2;
char *argv2[argc];
for (int i=0; i<argc; i++) argv2[i] = strdup(string(argv[i]).data());
if (mode!=gensym("out")) RAISE("write-only, sorry");
aa_parseoptions(0,0,&argc,argv2);
for (int i=0; i<argc; i++) free(argv2[i]);
if (drivers.find(target)==drivers.end()) RAISE("unknown aalib driver '%s'",target.data());
const aa_driver *driver = drivers[target];
context = aa_init(driver,&aa_defparams,0);
rparams = aa_getrenderparams();
if (!context) RAISE("opening aalib didn't work");
int32 v[]={context->imgheight,context->imgwidth,1};
post("aalib image size: %s",(new Dim(3,v))->to_s());
}
~FormatAALib () {if (context) aa_close(context);}
\decl 0 hidecursor ();
\decl 0 print (int y, int x, int a, string text);
\decl 0 draw ();
\decl 0 dump ();
\grin 0 int
};
GRID_INLET(FormatAALib,0) {
if (!context) RAISE("boo");
if (in->dim->n != 3)
RAISE("expecting 3 dimensions: rows,columns,channels");
switch (in->dim->get(2)) {
case 1: raw_mode = false; break;
case 2: raw_mode = true; break;
default:
RAISE("expecting 1 greyscale channel (got %d)",in->dim->get(2));
}
in->set_chunk(1);
} GRID_FLOW {
int f = in->factor();
if (raw_mode) {
int sx = min(f,aa_scrwidth(context));
int y = in->dex/f;
while (n) {
if (y>=aa_scrheight(context)) return;
for (int x=0; x<sx; x++) {
context->textbuffer[y*aa_scrwidth(context)+x]=data[x*2+0];
context->attrbuffer[y*aa_scrwidth(context)+x]=data[x*2+1];
}
y++;
n-=f;
data+=f;
}
} else {
int sx = min(f,context->imgwidth);
int y = in->dex/f;
while (n) {
if (y>=context->imgheight) return;
for (int x=0; x<sx; x++) aa_putpixel(context,x,y,data[x]);
y++;
n-=f;
data+=f;
}
}
} GRID_FINISH {
if (!raw_mode) {
aa_palette pal;
for (int i=0; i<256; i++) aa_setpalette(pal,i,i,i,i);
aa_renderpalette(context,pal,rparams,0,0,
aa_scrwidth(context),aa_scrheight(context));
}
if (autodraw==1) aa_flush(context);
} GRID_END
\def 0 hidecursor () { aa_hidemouse(context); }
\def 0 draw () { aa_flush(context); }
\def 0 print (int y, int x, int a, string text) {
aa_puts(context,x,y,(AAAttr)a,(char *)text.data());
if (autodraw==1) aa_flush(context);
}
\def 0 dump () {
int32 v[] = {aa_scrheight(context), aa_scrwidth(context), 2};
GridOutlet out(this,0,new Dim(3,v));
for (int y=0; y<aa_scrheight(context); y++) {
for (int x=0; x<aa_scrwidth(context); x++) {
int32 data[2];
data[0] = context->textbuffer[y*aa_scrwidth(context)+x];
data[1] = context->attrbuffer[y*aa_scrwidth(context)+x];
out.send(2,data);
}
}
}
\end class FormatAALib {
const aa_driver *const *p = aa_drivers;
for (; *p; p++) drivers[(*p)->shortname] = *p;
install_format("#io.aalib",2,"");
}
void startup_aalib () {
\startall
}
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