/* This file is an image processing operation for GEGL
*
* GEGL is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* GEGL 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GEGL; if not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2006 Øyvind Kolås <pippin@gimp.org>
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#ifdef GEGL_CHANT_PROPERTIES
gegl_chant_color (value, _("Color"), "black",
_("The color to render (defaults to 'black')"))
#else
#define GEGL_CHANT_TYPE_POINT_RENDER
#define GEGL_CHANT_C_FILE "color.c"
#include "gegl-chant.h"
static void
gegl_color_op_prepare (GeglOperation *operation)
{
gegl_operation_set_format (operation, "output", babl_format ("RGBA float"));
}
static GeglRectangle
gegl_color_op_get_bounding_box (GeglOperation *operation)
{
return gegl_rectangle_infinite_plane ();
}
static gboolean
gegl_color_op_process (GeglOperation *operation,
void *out_buf,
glong n_pixels,
const GeglRectangle *roi,
gint level)
{
GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
gfloat *out_pixel = out_buf;
gfloat color[4];
gegl_color_get_pixel (o->value, babl_format ("RGBA float"), color);
while (n_pixels--)
{
out_pixel[0]=color[0];
out_pixel[1]=color[1];
out_pixel[2]=color[2];
out_pixel[3]=color[3];
out_pixel += 4;
}
return TRUE;
}
static void
gegl_chant_class_init (GeglChantClass *klass)
{
GeglOperationClass *operation_class;
GeglOperationPointRenderClass *point_render_class;
operation_class = GEGL_OPERATION_CLASS (klass);
point_render_class = GEGL_OPERATION_POINT_RENDER_CLASS (klass);
point_render_class->process = gegl_color_op_process;
operation_class->get_bounding_box = gegl_color_op_get_bounding_box;
operation_class->prepare = gegl_color_op_prepare;
gegl_operation_class_set_keys (operation_class,
"name" , "gegl:color",
"categories" , "render",
"description",
_("Generates a buffer entirely filled with the specified color, "
"crop it to get smaller dimensions."),
NULL);
}
#endif