gimp/app/pdb/convert_cmds.c

282 lines
8.4 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995-2003 Spencer Kimball and Peter Mattis
*
* 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.
*
* 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.
*/
/* NOTE: This file is autogenerated by pdbgen.pl. */
#include "config.h"
#include <glib-object.h>
#include "pdb-types.h"
#include "procedural_db.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpdatafactory.h"
#include "core/gimpimage-convert.h"
#include "core/gimpimage.h"
#include "core/gimppalette.h"
static ProcRecord image_convert_rgb_proc;
static ProcRecord image_convert_grayscale_proc;
static ProcRecord image_convert_indexed_proc;
void
register_convert_procs (Gimp *gimp)
{
procedural_db_register (gimp, &image_convert_rgb_proc);
procedural_db_register (gimp, &image_convert_grayscale_proc);
procedural_db_register (gimp, &image_convert_indexed_proc);
}
static Argument *
image_convert_rgb_invoker (Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
Argument *args)
{
gboolean success = TRUE;
GimpImage *gimage;
gimage = gimp_image_get_by_ID (gimp, args[0].value.pdb_int);
if (! GIMP_IS_IMAGE (gimage))
success = FALSE;
if (success)
{
if (gimp_image_base_type (gimage) != GIMP_RGB)
gimp_image_convert (gimage, GIMP_RGB, 0, 0, FALSE, FALSE, 0, NULL, NULL);
else
success = FALSE;
}
return procedural_db_return_args (&image_convert_rgb_proc, success);
}
static ProcArg image_convert_rgb_inargs[] =
{
{
GIMP_PDB_IMAGE,
"image",
"The image"
}
};
static ProcRecord image_convert_rgb_proc =
{
"gimp-image-convert-rgb",
"gimp-image-convert-rgb",
"Convert specified image to RGB color",
"This procedure converts the specified image to RGB color. This process requires an image of type GIMP_GRAY or GIMP_INDEXED. No image content is lost in this process aside from the colormap for an indexed image.",
"Spencer Kimball & Peter Mattis",
"Spencer Kimball & Peter Mattis",
"1995-1996",
NULL,
GIMP_INTERNAL,
1,
image_convert_rgb_inargs,
0,
NULL,
{ { image_convert_rgb_invoker } }
};
static Argument *
image_convert_grayscale_invoker (Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
Argument *args)
{
gboolean success = TRUE;
GimpImage *gimage;
gimage = gimp_image_get_by_ID (gimp, args[0].value.pdb_int);
if (! GIMP_IS_IMAGE (gimage))
success = FALSE;
if (success)
{
if (gimp_image_base_type (gimage) != GIMP_GRAY)
gimp_image_convert (gimage, GIMP_GRAY, 0, 0, FALSE, FALSE, 0, NULL, NULL);
else
success = FALSE;
}
return procedural_db_return_args (&image_convert_grayscale_proc, success);
}
static ProcArg image_convert_grayscale_inargs[] =
{
{
GIMP_PDB_IMAGE,
"image",
"The image"
}
};
static ProcRecord image_convert_grayscale_proc =
{
"gimp-image-convert-grayscale",
"gimp-image-convert-grayscale",
"Convert specified image to grayscale (256 intensity levels)",
"This procedure converts the specified image to grayscale with 8 bits per pixel (256 intensity levels). This process requires an image of type GIMP_RGB or GIMP_INDEXED.",
"Spencer Kimball & Peter Mattis",
"Spencer Kimball & Peter Mattis",
"1995-1996",
NULL,
GIMP_INTERNAL,
1,
image_convert_grayscale_inargs,
0,
NULL,
{ { image_convert_grayscale_invoker } }
};
static Argument *
image_convert_indexed_invoker (Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
Argument *args)
{
gboolean success = TRUE;
GimpImage *gimage;
gint32 dither_type;
gint32 palette_type;
gint32 num_cols;
gboolean alpha_dither;
gboolean remove_unused;
gchar *palette_name;
gimage = gimp_image_get_by_ID (gimp, args[0].value.pdb_int);
if (! GIMP_IS_IMAGE (gimage))
success = FALSE;
dither_type = args[1].value.pdb_int;
if (dither_type < GIMP_NO_DITHER || dither_type > GIMP_FIXED_DITHER)
success = FALSE;
palette_type = args[2].value.pdb_int;
if (palette_type < GIMP_MAKE_PALETTE || palette_type > GIMP_CUSTOM_PALETTE)
success = FALSE;
num_cols = args[3].value.pdb_int;
alpha_dither = args[4].value.pdb_int ? TRUE : FALSE;
remove_unused = args[5].value.pdb_int ? TRUE : FALSE;
palette_name = (gchar *) args[6].value.pdb_pointer;
if (palette_name == NULL || !g_utf8_validate (palette_name, -1, NULL))
success = FALSE;
if (success)
{
GimpPalette *palette = NULL;
if (gimp_image_base_type (gimage) != GIMP_INDEXED)
{
switch (palette_type)
{
case GIMP_MAKE_PALETTE:
if (num_cols < 1 || num_cols > MAXNUMCOLORS)
success = FALSE;
break;
case GIMP_CUSTOM_PALETTE:
palette = (GimpPalette *)
gimp_container_get_child_by_name (gimp->palette_factory->container,
palette_name);
if (palette == NULL)
success = FALSE;
break;
default:
break;
}
}
else
{
success = FALSE;
}
if (success)
gimp_image_convert (gimage, GIMP_INDEXED, num_cols, dither_type,
alpha_dither, remove_unused, palette_type, palette,
NULL);
}
return procedural_db_return_args (&image_convert_indexed_proc, success);
}
static ProcArg image_convert_indexed_inargs[] =
{
{
GIMP_PDB_IMAGE,
"image",
"The image"
},
{
GIMP_PDB_INT32,
"dither-type",
"The dither type to use: { GIMP_NO_DITHER (0), GIMP_FS_DITHER (1), GIMP_FSLOWBLEED_DITHER (2), GIMP_FIXED_DITHER (3) }"
},
{
GIMP_PDB_INT32,
"palette-type",
"The type of palette to use: { GIMP_MAKE_PALETTE (0), GIMP_REUSE_PALETTE (1), GIMP_WEB_PALETTE (2), GIMP_MONO_PALETTE (3), GIMP_CUSTOM_PALETTE (4) }"
},
{
GIMP_PDB_INT32,
"num-cols",
"The number of colors to quantize to, ignored unless (palette_type == GIMP_MAKE_PALETTE)"
},
{
GIMP_PDB_INT32,
"alpha-dither",
"Dither transparency to fake partial opacity"
},
{
GIMP_PDB_INT32,
"remove-unused",
"Remove unused or duplicate colour entries from final palette, ignored if (palette_type == GIMP_MAKE_PALETTE)"
},
{
GIMP_PDB_STRING,
"palette",
"The name of the custom palette to use, ignored unless (palette_type == GIMP_CUSTOM_PALETTE)"
}
};
static ProcRecord image_convert_indexed_proc =
{
"gimp-image-convert-indexed",
"gimp-image-convert-indexed",
"Convert specified image to and Indexed image",
"This procedure converts the specified image to 'indexed' color. This process requires an image of type GIMP_GRAY or GIMP_RGB. The 'palette_type' specifies what kind of palette to use, A type of '0' means to use an optimal palette of 'num_cols' generated from the colors in the image. A type of '1' means to re-use the previous palette (not currently implemented). A type of '2' means to use the so-called WWW-optimized palette. Type '3' means to use only black and white colors. A type of '4' means to use a palette from the gimp palettes directories. The 'dither type' specifies what kind of dithering to use. '0' means no dithering, '1' means standard Floyd-Steinberg error diffusion, '2' means Floyd-Steinberg error diffusion with reduced bleeding, '3' means dithering based on pixel location ('Fixed' dithering).",
"Spencer Kimball & Peter Mattis",
"Spencer Kimball & Peter Mattis",
"1995-1996",
NULL,
GIMP_INTERNAL,
7,
image_convert_indexed_inargs,
0,
NULL,
{ { image_convert_indexed_invoker } }
};