mirror of https://github.com/GNOME/gimp.git
132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-2000 Peter Mattis and Spencer Kimball
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*
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* gimpimage.c
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gimp.h"
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/**
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* gimp_image_get_cmap:
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* @image_ID: The image.
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* @num_colors: Number of colors in the colormap array.
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*
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* Returns the image's colormap
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*
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* This procedure returns an actual pointer to the image's colormap, as
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* well as the number of colors contained in the colormap. If the image
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* is not of base type INDEXED, this pointer will be NULL.
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*
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* Returns: The image's colormap.
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*/
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guchar *
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gimp_image_get_cmap (gint32 image_ID,
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gint *num_colors)
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{
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gint num_bytes;
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guchar *cmap;
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cmap = _gimp_image_get_cmap (image_ID,
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&num_bytes);
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*num_colors = num_bytes / 3;
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return cmap;
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}
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/**
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* gimp_image_set_cmap:
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* @image_ID: The image.
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* @cmap: The new colormap values.
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* @num_colors: Number of colors in the colormap array.
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*
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* Sets the entries in the image's colormap.
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*
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* This procedure sets the entries in the specified image's colormap.
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* The number of colors is specified by the \"num_colors\" parameter
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* and corresponds to the number of INT8 triples that must be contained
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* in the \"cmap\" array.
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*
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* Returns: TRUE on success.
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*/
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gboolean
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gimp_image_set_cmap (gint32 image_ID,
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guchar *cmap,
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gint num_colors)
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{
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return _gimp_image_set_cmap (image_ID,
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num_colors * 3,
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cmap);
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}
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guchar *
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gimp_image_get_thumbnail_data (gint32 image_ID,
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gint *width,
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gint *height,
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gint *bpp)
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{
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gint ret_width;
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gint ret_height;
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guchar *image_data;
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gint data_size;
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_gimp_image_thumbnail (image_ID,
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*width,
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*height,
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&ret_width,
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&ret_height,
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bpp,
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&data_size,
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&image_data);
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*width = ret_width;
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*height = ret_height;
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return image_data;
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}
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/**
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* gimp_image_attach_new_parasite:
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* @image_ID: the ID of the image to attach the #GimpParasite to.
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* @name: the name of the #GimpParasite to create and attach.
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* @flags: the flags set on the #GimpParasite.
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* @size: the size of the parasite data in bytes.
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* @data: a pointer to the data attached with the #GimpParasite.
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*
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* Convenience function that creates a parasite and attaches it
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* to the GIMP.
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*
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* See Also: gimp_image_parasite_attach()
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*/
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void
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gimp_image_attach_new_parasite (gint32 image_ID,
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const gchar *name,
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gint flags,
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gint size,
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const gpointer data)
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{
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GimpParasite *parasite = gimp_parasite_new (name, flags, size, data);
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gimp_image_parasite_attach (image_ID, parasite);
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gimp_parasite_free (parasite);
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}
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