|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
/* !!!! AUTOGENERATED FILE generated by svg12-blend.rb !!!!!
|
|
Packit |
bc1512 |
*
|
|
Packit |
bc1512 |
* This file is an image processing operation for GEGL
|
|
Packit |
bc1512 |
*
|
|
Packit |
bc1512 |
* GEGL is free software; you can redistribute it and/or
|
|
Packit |
bc1512 |
* modify it under the terms of the GNU Lesser General Public
|
|
Packit |
bc1512 |
* License as published by the Free Software Foundation; either
|
|
Packit |
bc1512 |
* version 3 of the License, or (at your option) any later version.
|
|
Packit |
bc1512 |
*
|
|
Packit |
bc1512 |
* GEGL is distributed in the hope that it will be useful,
|
|
Packit |
bc1512 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
bc1512 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
bc1512 |
* Lesser General Public License for more details.
|
|
Packit |
bc1512 |
*
|
|
Packit |
bc1512 |
* You should have received a copy of the GNU Lesser General Public
|
|
Packit |
bc1512 |
* License along with GEGL; if not, see <http://www.gnu.org/licenses/>.
|
|
Packit |
bc1512 |
*
|
|
Packit |
bc1512 |
* Copyright 2006, 2007 Øyvind Kolås <pippin@gimp.org>
|
|
Packit |
bc1512 |
* 2007 John Marshall
|
|
Packit |
bc1512 |
*
|
|
Packit |
bc1512 |
* SVG rendering modes; see:
|
|
Packit |
bc1512 |
* http://www.w3.org/TR/SVG12/rendering.html
|
|
Packit |
bc1512 |
* http://www.w3.org/TR/2004/WD-SVG12-20041027/rendering.html#comp-op-prop
|
|
Packit |
bc1512 |
*
|
|
Packit |
bc1512 |
* aA = aux(src) alpha aB = in(dst) alpha aD = out alpha
|
|
Packit |
bc1512 |
* cA = aux(src) colour cB = in(dst) colour cD = out colour
|
|
Packit |
bc1512 |
*
|
|
Packit |
bc1512 |
* !!!! AUTOGENERATED FILE !!!!!
|
|
Packit |
bc1512 |
*/
|
|
Packit |
bc1512 |
#include "config.h"
|
|
Packit |
bc1512 |
#include <glib/gi18n-lib.h>
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
#ifdef GEGL_CHANT_PROPERTIES
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
/* no properties */
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
#else
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
#define GEGL_CHANT_TYPE_POINT_COMPOSER
|
|
Packit |
bc1512 |
#define GEGL_CHANT_C_FILE "plus.c"
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
#include "gegl-chant.h"
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
static void prepare (GeglOperation *operation)
|
|
Packit |
bc1512 |
{
|
|
Packit |
bc1512 |
const Babl *format = babl_format ("RaGaBaA float");
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
gegl_operation_set_format (operation, "input", format);
|
|
Packit |
bc1512 |
gegl_operation_set_format (operation, "aux", format);
|
|
Packit |
bc1512 |
gegl_operation_set_format (operation, "output", format);
|
|
Packit |
bc1512 |
}
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
static gboolean
|
|
Packit |
bc1512 |
process (GeglOperation *op,
|
|
Packit |
bc1512 |
void *in_buf,
|
|
Packit |
bc1512 |
void *aux_buf,
|
|
Packit |
bc1512 |
void *out_buf,
|
|
Packit |
bc1512 |
glong n_pixels,
|
|
Packit |
bc1512 |
const GeglRectangle *roi,
|
|
Packit |
bc1512 |
gint level)
|
|
Packit |
bc1512 |
{
|
|
Packit |
bc1512 |
gfloat * GEGL_ALIGNED in = in_buf;
|
|
Packit |
bc1512 |
gfloat * GEGL_ALIGNED aux = aux_buf;
|
|
Packit |
bc1512 |
gfloat * GEGL_ALIGNED out = out_buf;
|
|
Packit |
bc1512 |
gint i;
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
if (aux==NULL)
|
|
Packit |
bc1512 |
return TRUE;
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
for (i = 0; i < n_pixels; i++)
|
|
Packit |
bc1512 |
{
|
|
Packit |
bc1512 |
gfloat aA, aB, aD;
|
|
Packit |
bc1512 |
gint j;
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
aB = in[3];
|
|
Packit |
bc1512 |
aA = aux[3];
|
|
Packit |
bc1512 |
aD = MIN (aA + aB, 1);
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
for (j = 0; j < 3; j++)
|
|
Packit |
bc1512 |
{
|
|
Packit |
bc1512 |
gfloat cA, cB;
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
cB = in[j];
|
|
Packit |
bc1512 |
cA = aux[j];
|
|
Packit |
bc1512 |
out[j] = CLAMP (cA + cB, 0, aD);
|
|
Packit |
bc1512 |
}
|
|
Packit |
bc1512 |
out[3] = aD;
|
|
Packit |
bc1512 |
in += 4;
|
|
Packit |
bc1512 |
aux += 4;
|
|
Packit |
bc1512 |
out += 4;
|
|
Packit |
bc1512 |
}
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
return TRUE;
|
|
Packit |
bc1512 |
}
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
static void
|
|
Packit |
bc1512 |
gegl_chant_class_init (GeglChantClass *klass)
|
|
Packit |
bc1512 |
{
|
|
Packit |
bc1512 |
GeglOperationClass *operation_class;
|
|
Packit |
bc1512 |
GeglOperationPointComposerClass *point_composer_class;
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
operation_class = GEGL_OPERATION_CLASS (klass);
|
|
Packit |
bc1512 |
point_composer_class = GEGL_OPERATION_POINT_COMPOSER_CLASS (klass);
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
point_composer_class->process = process;
|
|
Packit |
bc1512 |
operation_class->prepare = prepare;
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
operation_class->compat_name = "gegl:plus";
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
gegl_operation_class_set_keys (operation_class,
|
|
Packit |
bc1512 |
"name" , "svg:plus",
|
|
Packit |
bc1512 |
"description" ,
|
|
Packit |
bc1512 |
_("SVG blend operation plus (<tt>d = cA + cB</tt>)"),
|
|
Packit |
bc1512 |
NULL);
|
|
Packit |
bc1512 |
gegl_operation_class_set_key (operation_class, "categories", "compositors:svgfilter");
|
|
Packit |
bc1512 |
}
|
|
Packit |
bc1512 |
|
|
Packit |
bc1512 |
#endif
|