gimp/libgimp/gimpimage.c

757 lines
16 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include "gimp.h"
gint32
gimp_image_new (guint width,
guint height,
GImageType type)
{
GParam *return_vals;
int nreturn_vals;
gint32 image_ID;
return_vals = gimp_run_procedure ("gimp_image_new",
&nreturn_vals,
PARAM_INT32, width,
PARAM_INT32, height,
PARAM_INT32, type,
PARAM_END);
image_ID = -1;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
image_ID = return_vals[1].data.d_image;
gimp_destroy_params (return_vals, nreturn_vals);
return image_ID;
}
void
gimp_image_delete (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_delete",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
guint
gimp_image_width (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
int result;
return_vals = gimp_run_procedure ("gimp_image_width",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
result = 0;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
result = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return result;
}
guint
gimp_image_height (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
int result;
return_vals = gimp_run_procedure ("gimp_image_height",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
result = 0;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
result = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return result;
}
GImageType
gimp_image_base_type (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
int result;
return_vals = gimp_run_procedure ("gimp_image_base_type",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
result = 0;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
result = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return result;
}
gint32
gimp_image_floating_selection (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
gint32 layer_ID;
return_vals = gimp_run_procedure ("gimp_image_floating_selection",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
layer_ID = 0;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
layer_ID = return_vals[1].data.d_layer;
gimp_destroy_params (return_vals, nreturn_vals);
return layer_ID;
}
void
gimp_image_add_channel (gint32 image_ID,
gint32 channel_ID,
int position)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_add_channel",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_CHANNEL, channel_ID,
PARAM_INT32, position,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_add_layer (gint32 image_ID,
gint32 layer_ID,
int position)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_add_layer",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_LAYER, layer_ID,
PARAM_INT32, position,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_add_layer_mask (gint32 image_ID,
gint32 layer_ID,
gint32 mask_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_add_layer_mask",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_LAYER, layer_ID,
PARAM_CHANNEL, mask_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_disable_undo (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_disable_undo",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_enable_undo (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_enable_undo",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_clean_all (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_clean_all",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_flatten (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_flatten",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_lower_channel (gint32 image_ID,
gint32 channel_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_lower_channel",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_CHANNEL, channel_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_lower_layer (gint32 image_ID,
gint32 layer_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_lower_layer",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_LAYER, layer_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
gint32
gimp_image_merge_visible_layers (gint32 image_ID,
gint merge_type)
{
GParam *return_vals;
int nreturn_vals;
gint32 layer_ID;
return_vals = gimp_run_procedure ("gimp_image_merge_visible_layers",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_INT32, merge_type,
PARAM_END);
layer_ID = -1;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
layer_ID = return_vals[0].data.d_layer;
gimp_destroy_params (return_vals, nreturn_vals);
return layer_ID;
}
gint32
gimp_image_pick_correlate_layer (gint32 image_ID,
gint x,
gint y)
{
GParam *return_vals;
int nreturn_vals;
gint32 layer_ID;
return_vals = gimp_run_procedure ("gimp_image_pick_correlate_layer",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_INT32, x,
PARAM_INT32, y,
PARAM_END);
layer_ID = -1;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
layer_ID = return_vals[0].data.d_layer;
gimp_destroy_params (return_vals, nreturn_vals);
return layer_ID;
}
void
gimp_image_raise_channel (gint32 image_ID,
gint32 channel_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_raise_channel",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_CHANNEL, channel_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_raise_layer (gint32 image_ID,
gint32 layer_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_raise_layer",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_LAYER, layer_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_remove_channel (gint32 image_ID,
gint32 channel_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_remove_channel",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_CHANNEL, channel_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_remove_layer (gint32 image_ID,
gint32 layer_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_remove_layer",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_LAYER, layer_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_remove_layer_mask (gint32 image_ID,
gint32 layer_ID,
gint mode)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_remove_layer_mask",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_LAYER, layer_ID,
PARAM_INT32, mode,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_resize (gint32 image_ID,
guint new_width,
guint new_height,
gint offset_x,
gint offset_y)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_resize",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_INT32, new_width,
PARAM_INT32, new_height,
PARAM_INT32, offset_x,
PARAM_INT32, offset_y,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
gint32
gimp_image_get_active_channel (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
gint32 channel_ID;
return_vals = gimp_run_procedure ("gimp_image_get_active_channel",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
channel_ID = -1;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
channel_ID = return_vals[1].data.d_channel;
gimp_destroy_params (return_vals, nreturn_vals);
return channel_ID;
}
gint32
gimp_image_get_active_layer (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
gint32 layer_ID;
return_vals = gimp_run_procedure ("gimp_image_get_active_layer",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
layer_ID = -1;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
layer_ID = return_vals[1].data.d_layer;
gimp_destroy_params (return_vals, nreturn_vals);
return layer_ID;
}
gint32*
gimp_image_get_channels (gint32 image_ID,
gint *nchannels)
{
GParam *return_vals;
int nreturn_vals;
gint32 *channels;
return_vals = gimp_run_procedure ("gimp_image_get_channels",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
channels = NULL;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
{
*nchannels = return_vals[1].data.d_int32;
channels = g_new (gint32, *nchannels);
memcpy (channels, return_vals[2].data.d_int32array, *nchannels * 4);
}
gimp_destroy_params (return_vals, nreturn_vals);
return channels;
}
guchar*
gimp_image_get_cmap (gint32 image_ID,
gint *ncolors)
{
GParam *return_vals;
int nreturn_vals;
guchar *cmap;
return_vals = gimp_run_procedure ("gimp_image_get_cmap",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
cmap = NULL;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
{
*ncolors = return_vals[1].data.d_int32 / 3;
cmap = g_new (guchar, *ncolors * 3);
memcpy (cmap, return_vals[2].data.d_int8array, *ncolors * 3);
}
gimp_destroy_params (return_vals, nreturn_vals);
return cmap;
}
gint
gimp_image_get_component_active (gint32 image_ID,
gint component)
{
GParam *return_vals;
int nreturn_vals;
int result;
return_vals = gimp_run_procedure ("gimp_image_get_component_active",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
result = FALSE;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
result = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return result;
}
gint
gimp_image_get_component_visible (gint32 image_ID,
gint component)
{
GParam *return_vals;
int nreturn_vals;
int result;
return_vals = gimp_run_procedure ("gimp_image_get_component_visible",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
result = FALSE;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
result = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return result;
}
char*
gimp_image_get_filename (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
char *filename;
return_vals = gimp_run_procedure ("gimp_image_get_filename",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
filename = NULL;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
filename = g_strdup (return_vals[1].data.d_string);
gimp_destroy_params (return_vals, nreturn_vals);
return filename;
}
gint32*
gimp_image_get_layers (gint32 image_ID,
gint *nlayers)
{
GParam *return_vals;
int nreturn_vals;
gint32 *layers;
return_vals = gimp_run_procedure ("gimp_image_get_layers",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
layers = NULL;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
{
*nlayers = return_vals[1].data.d_int32;
layers = g_new (gint32, *nlayers);
memcpy (layers, return_vals[2].data.d_int32array, *nlayers * 4);
}
gimp_destroy_params (return_vals, nreturn_vals);
return layers;
}
gint32
gimp_image_get_selection (gint32 image_ID)
{
GParam *return_vals;
int nreturn_vals;
gint32 selection_ID;
return_vals = gimp_run_procedure ("gimp_image_get_selection",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
selection_ID = -1;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
selection_ID = return_vals[1].data.d_selection;
gimp_destroy_params (return_vals, nreturn_vals);
return selection_ID;
}
void
gimp_image_set_active_channel (gint32 image_ID,
gint32 channel_ID)
{
GParam *return_vals;
int nreturn_vals;
if (channel_ID == -1)
{
return_vals = gimp_run_procedure ("gimp_image_unset_active_channel",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_END);
}
else
{
return_vals = gimp_run_procedure ("gimp_image_set_active_channel",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_CHANNEL, channel_ID,
PARAM_END);
}
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_set_active_layer (gint32 image_ID,
gint32 layer_ID)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_set_active_layer",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_LAYER, layer_ID,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_set_cmap (gint32 image_ID,
guchar *cmap,
gint ncolors)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_set_cmap",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_INT32, ncolors * 3,
PARAM_INT8ARRAY, cmap,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_set_component_active (gint32 image_ID,
gint component,
gint active)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_set_component_active",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_INT32, component,
PARAM_INT32, active,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_set_component_visible (gint32 image_ID,
gint component,
gint visible)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_set_component_visible",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_INT32, component,
PARAM_INT32, visible,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
void
gimp_image_set_filename (gint32 image_ID,
char *name)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_image_set_filename",
&nreturn_vals,
PARAM_IMAGE, image_ID,
PARAM_STRING, name,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}