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Diffstat (limited to 'externals/gridflow/format/netpbm.c')
| -rw-r--r-- | externals/gridflow/format/netpbm.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/externals/gridflow/format/netpbm.c b/externals/gridflow/format/netpbm.c new file mode 100644 index 00000000..159903bd --- /dev/null +++ b/externals/gridflow/format/netpbm.c @@ -0,0 +1,119 @@ +/* + $Id$ + + 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" +extern "C" { +#include <pam.h> +}; + +\class FormatNetPBM : Format { + struct pam inpam, outpam; + \grin 0 + \constructor (t_symbol *mode, string filename) { + Format::_0_open(0,0,mode,filename); + memset(& inpam,sizeof(pam),0); + memset(&outpam,sizeof(pam),0); + } + \decl 0 bang (); +}; +\def 0 bang () { + //inpam.allocation_depth = 3; + pnm_readpaminit(f, &inpam, /*PAM_STRUCT_SIZE(tuple_type)*/ sizeof(struct pam)); + tuple *tuplerow = pnm_allocpamrow(&inpam); + if (inpam.depth!=3) RAISE("image has %d channels instead of 3 channels",inpam.depth); + GridOutlet out(this,0,new Dim(inpam.height,inpam.width,inpam.depth),cast); + uint8 buf[inpam.width*3]; + for (int i=0; i<inpam.height; i++) { + pnm_readpamrow(&inpam, tuplerow); + for (int j=0; j<inpam.width; j++) { + buf[j*3+0] = tuplerow[j][0]; + buf[j*3+1] = tuplerow[j][1]; + buf[j*3+2] = tuplerow[j][2]; + } + out.send(inpam.width*inpam.depth,buf); + } + pnm_freepamrow(tuplerow); +} +GRID_INLET(FormatNetPBM,0) { + if (in->dim->n!=3) RAISE("need 3 dimensions"); + if (in->dim->v[2]!=3) RAISE("need 3 channels"); + outpam.size = sizeof(struct pam); + outpam.len = sizeof(struct pam); + outpam.file = f; + outpam.format = PPM_FORMAT; + outpam.height = in->dim->v[0]; + outpam.width = in->dim->v[1]; + outpam.depth = in->dim->v[2]; + outpam.plainformat = false; + outpam.maxval = 255; + //outpam.allocation_depth = 3; + strcpy(outpam.tuple_type,PAM_PPM_TUPLETYPE); + pnm_writepaminit(&outpam); + in->set_chunk(1); +} GRID_FLOW { + tuple *tuplerow = pnm_allocpamrow(&outpam); + int m = in->dim->v[1]; + for (int i=0; i<n; i+=in->dim->prod(1)) { + for (int j=0; j<m; j++, data+=3) { + tuplerow[j][0] = int(data[0]); + tuplerow[j][1] = int(data[1]); + tuplerow[j][2] = int(data[2]); + } + pnm_writepamrow(&outpam, tuplerow); + } + pnm_freepamrow(tuplerow); +} GRID_FINISH { + fflush(f); +} GRID_END +/* was supposed to be "#io.netpbm" but there's backwards compat. */ +\classinfo {install_format("#io.ppm",6,"ppm pgm pnm pam");} +\end class FormatNetPBM + +/*FormatPPM.subclass("#io:tk",1,1) { + install_rgrid 0 + def initialize(mode) + @id = sprintf("x%08x",object_id) + @filename = "/tmp/tk-#{$$}-#{@id}.ppm" + if mode!=:out then raise "only #out" end + super(mode,:file,@filename) + GridFlow.gui "toplevel .#{@id}\n" + GridFlow.gui "wm title . GridFlow/Tk\n" + GridFlow.gui "image create photo gf#{@id} -width 320 -height 240\n" + GridFlow.gui "pack [label .#{@id}.im -image #{@id}]\n" + end + def _0_rgrid_end + super + @stream.seek 0,IO::SEEK_SET + GridFlow.gui "image create photo #{@id} -file #{@filename}\n" + end + def delete + GridFlow.gui "destroy .#{@id}\n" + GridFlow.gui "image delete #{@id}\n" + end + alias close delete +}*/ + +void startup_netpbm () { + pm_init(0,0); + \startall +} |