gimp/libgimp/gimpimage.c

461 lines
11 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-2000 Peter Mattis and Spencer Kimball
*
* gimpimage.c
*
* This library 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.
*
* This library 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 this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gimp.h"
#include "gimpimage.h"
/**
* gimp_image_get_colormap:
* @image_ID: The image.
* @num_colors: Returns the number of colors in the colormap array.
*
* Returns the image's colormap
*
* This procedure returns an actual pointer to the image's colormap, as
* well as the number of colors contained in the colormap. If the image
* is not of base type INDEXED, this pointer will be NULL.
*
* Returns: The image's colormap.
*/
guchar *
gimp_image_get_colormap (gint32 image_ID,
gint *num_colors)
{
gint num_bytes;
guchar *cmap;
cmap = _gimp_image_get_colormap (image_ID, &num_bytes);
if (num_colors)
*num_colors = num_bytes / 3;
return cmap;
}
/**
* gimp_image_set_colormap:
* @image_ID: The image.
* @colormap: The new colormap values.
* @num_colors: Number of colors in the colormap array.
*
* Sets the entries in the image's colormap.
*
* This procedure sets the entries in the specified image's colormap.
* The number of colors is specified by the \"num_colors\" parameter
* and corresponds to the number of INT8 triples that must be contained
* in the \"cmap\" array.
*
* Returns: TRUE on success.
*/
gboolean
gimp_image_set_colormap (gint32 image_ID,
const guchar *colormap,
gint num_colors)
{
return _gimp_image_set_colormap (image_ID, num_colors * 3, colormap);
}
guchar *
gimp_image_get_thumbnail_data (gint32 image_ID,
gint *width,
gint *height,
gint *bpp)
{
gint ret_width;
gint ret_height;
guchar *image_data;
gint data_size;
_gimp_image_thumbnail (image_ID,
*width,
*height,
&ret_width,
&ret_height,
bpp,
&data_size,
&image_data);
*width = ret_width;
*height = ret_height;
return image_data;
}
/**
* gimp_image_get_cmap:
* @image_ID: The image.
* @num_colors: Number of colors in the colormap array.
*
* This procedure is deprecated! Use gimp_image_get_colormap() instead.
*
* Returns: The image's colormap.
*/
guchar *
gimp_image_get_cmap (gint32 image_ID,
gint *num_colors)
{
return gimp_image_get_colormap (image_ID, num_colors);
}
/**
* gimp_image_set_cmap:
* @image_ID: The image.
* @cmap: The new colormap values.
* @num_colors: Number of colors in the colormap array.
*
* This procedure is deprecated! Use gimp_image_set_colormap() instead.
*
* Returns: TRUE on success.
*/
gboolean
gimp_image_set_cmap (gint32 image_ID,
const guchar *cmap,
gint num_colors)
{
return gimp_image_set_colormap (image_ID, cmap, num_colors);
}
/**
* gimp_image_get_layer_position:
* @image_ID: The image.
* @layer_ID: The layer.
*
* Deprecated: Use gimp_image_get_item_position() instead.
*
* Returns: The position of the layer in the layer stack.
*
* Since: GIMP 2.4
**/
gint
gimp_image_get_layer_position (gint32 image_ID,
gint32 layer_ID)
{
return gimp_image_get_item_position (image_ID, layer_ID);
}
/**
* gimp_image_raise_layer:
* @image_ID: The image.
* @layer_ID: The layer to raise.
*
* Deprecated: Use gimp_image_raise_item() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_raise_layer (gint32 image_ID,
gint32 layer_ID)
{
return gimp_image_raise_item (image_ID, layer_ID);
}
/**
* gimp_image_lower_layer:
* @image_ID: The image.
* @layer_ID: The layer to lower.
*
* Deprecated: Use gimp_image_lower_item() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_lower_layer (gint32 image_ID,
gint32 layer_ID)
{
return gimp_image_lower_item (image_ID, layer_ID);
}
/**
* gimp_image_raise_layer_to_top:
* @image_ID: The image.
* @layer_ID: The layer to raise to top.
*
* Deprecated: Use gimp_image_raise_item_to_top() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_raise_layer_to_top (gint32 image_ID,
gint32 layer_ID)
{
return gimp_image_raise_item_to_top (image_ID, layer_ID);
}
/**
* gimp_image_lower_layer_to_bottom:
* @image_ID: The image.
* @layer_ID: The layer to lower to bottom.
*
* Deprecated: Use gimp_image_lower_item_to_bottom() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_lower_layer_to_bottom (gint32 image_ID,
gint32 layer_ID)
{
return gimp_image_lower_item_to_bottom (image_ID, layer_ID);
}
/**
* gimp_image_get_channel_position:
* @image_ID: The image.
* @channel_ID: The channel.
*
* Deprecated: Use gimp_image_get_item_position() instead.
*
* Returns: The position of the channel in the channel stack.
*
* Since: GIMP 2.4
**/
gint
gimp_image_get_channel_position (gint32 image_ID,
gint32 channel_ID)
{
return gimp_image_get_item_position (image_ID, channel_ID);
}
/**
* gimp_image_raise_channel:
* @image_ID: The image.
* @channel_ID: The channel to raise.
*
* Deprecated: Use gimp_image_raise_item() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_raise_channel (gint32 image_ID,
gint32 channel_ID)
{
return gimp_image_raise_item (image_ID, channel_ID);
}
/**
* gimp_image_lower_channel:
* @image_ID: The image.
* @channel_ID: The channel to lower.
*
* Deprecated: Use gimp_image_lower_item() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_lower_channel (gint32 image_ID,
gint32 channel_ID)
{
return gimp_image_lower_item (image_ID, channel_ID);
}
/**
* gimp_image_get_vectors_position:
* @image_ID: The image.
* @vectors_ID: The vectors object.
*
* Deprecated: Use gimp_image_get_item_position() instead.
*
* Returns: The position of the vectors object in the vectors stack.
*
* Since: GIMP 2.4
**/
gint
gimp_image_get_vectors_position (gint32 image_ID,
gint32 vectors_ID)
{
return gimp_image_get_item_position (image_ID, vectors_ID);
}
/**
* gimp_image_raise_vectors:
* @image_ID: The image.
* @vectors_ID: The vectors object to raise.
*
* Deprecated: Use gimp_image_raise_item() instead.
*
* Returns: TRUE on success.
*
* Since: GIMP 2.4
**/
gboolean
gimp_image_raise_vectors (gint32 image_ID,
gint32 vectors_ID)
{
return gimp_image_raise_item (image_ID, vectors_ID);
}
/**
* gimp_image_lower_vectors:
* @image_ID: The image.
* @vectors_ID: The vectors object to lower.
*
* Deprecated: Use gimp_image_lower_item() instead.
*
* Returns: TRUE on success.
*
* Since: GIMP 2.4
**/
gboolean
gimp_image_lower_vectors (gint32 image_ID,
gint32 vectors_ID)
{
return gimp_image_lower_item (image_ID, vectors_ID);
}
/**
* gimp_image_raise_vectors_to_top:
* @image_ID: The image.
* @vectors_ID: The vectors object to raise to top.
*
* Deprecated: Use gimp_image_raise_item_to_top() instead.
*
* Returns: TRUE on success.
*
* Since: GIMP 2.4
**/
gboolean
gimp_image_raise_vectors_to_top (gint32 image_ID,
gint32 vectors_ID)
{
return gimp_image_raise_item_to_top (image_ID, vectors_ID);
}
/**
* gimp_image_lower_vectors_to_bottom:
* @image_ID: The image.
* @vectors_ID: The vectors object to lower to bottom.
*
* Deprecated: Use gimp_image_lower_item_to_bottom() instead.
*
* Returns: TRUE on success.
*
* Since: GIMP 2.4
**/
gboolean
gimp_image_lower_vectors_to_bottom (gint32 image_ID,
gint32 vectors_ID)
{
return gimp_image_lower_item_to_bottom (image_ID, vectors_ID);
}
/**
* gimp_image_parasite_find:
* @image_ID: The image.
* @name: The name of the parasite to find.
*
* Deprecated: Use gimp_image_get_parasite() instead.
*
* Returns: The found parasite.
**/
GimpParasite *
gimp_image_parasite_find (gint32 image_ID,
const gchar *name)
{
return gimp_image_get_parasite (image_ID, name);
}
/**
* gimp_image_parasite_attach:
* @image_ID: The image.
* @parasite: The parasite to attach to an image.
*
* Deprecated: Use gimp_image_attach_parasite() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_parasite_attach (gint32 image_ID,
const GimpParasite *parasite)
{
return gimp_image_attach_parasite (image_ID, parasite);
}
/**
* gimp_image_parasite_detach:
* @image_ID: The image.
* @name: The name of the parasite to detach from an image.
*
* Deprecated: Use gimp_image_detach_parasite() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_parasite_detach (gint32 image_ID,
const gchar *name)
{
return gimp_image_detach_parasite (image_ID, name);
}
/**
* gimp_image_parasite_list:
* @image_ID: The image.
* @num_parasites: The number of attached parasites.
* @parasites: The names of currently attached parasites.
*
* Deprecated: Use gimp_image_get_parasite_list() instead.
*
* Returns: TRUE on success.
**/
gboolean
gimp_image_parasite_list (gint32 image_ID,
gint *num_parasites,
gchar ***parasites)
{
*parasites = gimp_image_get_parasite_list (image_ID, num_parasites);
return *parasites != NULL;
}
/**
* gimp_image_attach_new_parasite:
* @image_ID: the ID of the image to attach the #GimpParasite to.
* @name: the name of the #GimpParasite to create and attach.
* @flags: the flags set on the #GimpParasite.
* @size: the size of the parasite data in bytes.
* @data: a pointer to the data attached with the #GimpParasite.
*
* Convenience function that creates a parasite and attaches it
* to GIMP.
*
* Deprecated: Use gimp_image_attach_parasite() instead.
*
* Return value: TRUE on successful creation and attachment of
* the new parasite.
*
* See Also: gimp_image_parasite_attach()
*/
gboolean
gimp_image_attach_new_parasite (gint32 image_ID,
const gchar *name,
gint flags,
gint size,
gconstpointer data)
{
GimpParasite *parasite = gimp_parasite_new (name, flags, size, data);
gboolean success;
success = gimp_image_attach_parasite (image_ID, parasite);
gimp_parasite_free (parasite);
return success;
}