mirror of https://github.com/GNOME/gimp.git
650 lines
16 KiB
C
650 lines
16 KiB
C
/* LIBGIMP - The GIMP Library
|
|
* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
|
|
*
|
|
* gimpselection_pdb.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 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
|
|
* 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, 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 "gimp.h"
|
|
|
|
/**
|
|
* gimp_selection_bounds:
|
|
* @image_ID: The image.
|
|
* @non_empty: True if there is a selection.
|
|
* @x1: x coordinate of upper left corner of selection bounds.
|
|
* @y1: y coordinate of upper left corner of selection bounds.
|
|
* @x2: x coordinate of lower right corner of selection bounds.
|
|
* @y2: y coordinate of lower right corner of selection bounds.
|
|
*
|
|
* Find the bounding box of the current selection.
|
|
*
|
|
* This procedure returns whether there is a selection for the
|
|
* specified image. If there is one, the upper left and lower right
|
|
* corners of the bounding box are returned. These coordinates are
|
|
* relative to the image. Please note that the pixel specified by the
|
|
* lower righthand coordinate of the bounding box is not part of the
|
|
* selection. The selection ends at the upper left corner of this
|
|
* pixel. This means the width of the selection can be calculated as
|
|
* (x2 - x1), its height as (y2 - y1).
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_bounds (gint32 image_ID,
|
|
gboolean *non_empty,
|
|
gint *x1,
|
|
gint *y1,
|
|
gint *x2,
|
|
gint *y2)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_bounds",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_END);
|
|
|
|
*non_empty = FALSE;
|
|
*x1 = 0;
|
|
*y1 = 0;
|
|
*x2 = 0;
|
|
*y2 = 0;
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
if (success)
|
|
{
|
|
*non_empty = return_vals[1].data.d_int32;
|
|
*x1 = return_vals[2].data.d_int32;
|
|
*y1 = return_vals[3].data.d_int32;
|
|
*x2 = return_vals[4].data.d_int32;
|
|
*y2 = return_vals[5].data.d_int32;
|
|
}
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_value:
|
|
* @image_ID: The image.
|
|
* @x: x coordinate of value.
|
|
* @y: y coordinate of value.
|
|
*
|
|
* Find the value of the selection at the specified coordinates.
|
|
*
|
|
* This procedure returns the value of the selection at the specified
|
|
* coordinates. If the coordinates lie out of bounds, 0 is returned.
|
|
*
|
|
* Returns: Value of the selection.
|
|
*/
|
|
gint
|
|
gimp_selection_value (gint32 image_ID,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gint value = 0;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_value",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_INT32, x,
|
|
GIMP_PDB_INT32, y,
|
|
GIMP_PDB_END);
|
|
|
|
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
|
|
value = return_vals[1].data.d_int32;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_is_empty:
|
|
* @image_ID: The image.
|
|
*
|
|
* Determine whether the selection is empty.
|
|
*
|
|
* This procedure returns non-zero if the selection for the specified
|
|
* image is not empty.
|
|
*
|
|
* Returns: Is the selection empty?
|
|
*/
|
|
gboolean
|
|
gimp_selection_is_empty (gint32 image_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean is_empty = FALSE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_is_empty",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_END);
|
|
|
|
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
|
|
is_empty = return_vals[1].data.d_int32;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return is_empty;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_translate:
|
|
* @image_ID: The image.
|
|
* @offx: x offset for translation.
|
|
* @offy: y offset for translation.
|
|
*
|
|
* Translate the selection by the specified offsets.
|
|
*
|
|
* This procedure actually translates the selection for the specified
|
|
* image by the specified offsets. Regions that are translated from
|
|
* beyond the bounds of the image are set to empty. Valid regions of
|
|
* the selection which are translated beyond the bounds of the image
|
|
* because of this call are lost.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_translate (gint32 image_ID,
|
|
gint offx,
|
|
gint offy)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_translate",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_INT32, offx,
|
|
GIMP_PDB_INT32, offy,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* _gimp_selection_float:
|
|
* @drawable_ID: The drawable from which to float selection.
|
|
* @offx: x offset for translation.
|
|
* @offy: y offset for translation.
|
|
*
|
|
* Float the selection from the specified drawable with initial offsets
|
|
* as specified.
|
|
*
|
|
* This procedure determines the region of the specified drawable that
|
|
* lies beneath the current selection. The region is then cut from the
|
|
* drawable and the resulting data is made into a new layer which is
|
|
* instantiated as a floating selection. The offsets allow initial
|
|
* positioning of the new floating selection.
|
|
*
|
|
* Returns: The floated layer.
|
|
*/
|
|
gint32
|
|
_gimp_selection_float (gint32 drawable_ID,
|
|
gint offx,
|
|
gint offy)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gint32 layer_ID = -1;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_float",
|
|
&nreturn_vals,
|
|
GIMP_PDB_DRAWABLE, drawable_ID,
|
|
GIMP_PDB_INT32, offx,
|
|
GIMP_PDB_INT32, offy,
|
|
GIMP_PDB_END);
|
|
|
|
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
|
|
layer_ID = return_vals[1].data.d_layer;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return layer_ID;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_clear:
|
|
* @image_ID: The image.
|
|
*
|
|
* Set the selection to none, clearing all previous content.
|
|
*
|
|
* This procedure sets the selection mask to empty, assigning the value
|
|
* 0 to every pixel in the selection channel.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_clear (gint32 image_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_clear",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_invert:
|
|
* @image_ID: The image.
|
|
*
|
|
* Invert the selection mask.
|
|
*
|
|
* This procedure inverts the selection mask. For every pixel in the
|
|
* selection channel, its new value is calculated as (255 - old_value).
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_invert (gint32 image_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_invert",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_sharpen:
|
|
* @image_ID: The image.
|
|
*
|
|
* Sharpen the selection mask.
|
|
*
|
|
* This procedure sharpens the selection mask. For every pixel in the
|
|
* selection channel, if the value is > 0, the new pixel is assigned
|
|
* a value of 255. This removes any \"anti-aliasing\" that might exist
|
|
* in the selection mask's boundary.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_sharpen (gint32 image_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_sharpen",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_all:
|
|
* @image_ID: The image.
|
|
*
|
|
* Select all of the image.
|
|
*
|
|
* This procedure sets the selection mask to completely encompass the
|
|
* image. Every pixel in the selection channel is set to 255.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_all (gint32 image_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_all",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_none:
|
|
* @image_ID: The image.
|
|
*
|
|
* Deselect the entire image.
|
|
*
|
|
* This procedure deselects the entire image. Every pixel in the
|
|
* selection channel is set to 0.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_none (gint32 image_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_none",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_feather:
|
|
* @image_ID: The image.
|
|
* @radius: Radius of feather (in pixels).
|
|
*
|
|
* Feather the image's selection
|
|
*
|
|
* This procedure feathers the selection. Feathering is implemented
|
|
* using a gaussian blur.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_feather (gint32 image_ID,
|
|
gdouble radius)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_feather",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_FLOAT, radius,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_border:
|
|
* @image_ID: The image.
|
|
* @radius: Radius of border (in pixels).
|
|
*
|
|
* Border the image's selection
|
|
*
|
|
* This procedure borders the selection. Bordering creates a new
|
|
* selection which is defined along the boundary of the previous
|
|
* selection at every point within the specified radius.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_border (gint32 image_ID,
|
|
gint radius)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_border",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_INT32, radius,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_grow:
|
|
* @image_ID: The image.
|
|
* @steps: Steps of grow (in pixels).
|
|
*
|
|
* Grow the image's selection
|
|
*
|
|
* This procedure grows the selection. Growing involves expanding the
|
|
* boundary in all directions by the specified pixel amount.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_grow (gint32 image_ID,
|
|
gint steps)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_grow",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_INT32, steps,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_shrink:
|
|
* @image_ID: The image.
|
|
* @radius: Radius of shrink (in pixels).
|
|
*
|
|
* Shrink the image's selection
|
|
*
|
|
* This procedure shrinks the selection. Shrinking invovles trimming
|
|
* the existing selection boundary on all sides by the specified number
|
|
* of pixels.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_shrink (gint32 image_ID,
|
|
gint radius)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_shrink",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_INT32, radius,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_layer_alpha:
|
|
* @layer_ID: Layer with alpha.
|
|
*
|
|
* Transfer the specified layer's alpha channel to the selection mask.
|
|
*
|
|
* This procedure requires a layer with an alpha channel. The alpha
|
|
* channel information is used to create a selection mask such that for
|
|
* any pixel in the image defined in the specified layer, that layer
|
|
* pixel's alpha value is transferred to the selection mask. If the
|
|
* layer is undefined at a particular image pixel, the associated
|
|
* selection mask value is set to 0.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_layer_alpha (gint32 layer_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_layer_alpha",
|
|
&nreturn_vals,
|
|
GIMP_PDB_LAYER, layer_ID,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_load:
|
|
* @channel_ID: The channel.
|
|
*
|
|
* Transfer the specified channel to the selection mask.
|
|
*
|
|
* This procedure loads the specified channel into the selection mask.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_load (gint32 channel_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_load",
|
|
&nreturn_vals,
|
|
GIMP_PDB_CHANNEL, channel_ID,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_save:
|
|
* @image_ID: The image.
|
|
*
|
|
* Copy the selection mask to a new channel.
|
|
*
|
|
* This procedure copies the selection mask and stores the content in a
|
|
* new channel. The new channel is automatically inserted into the
|
|
* image's list of channels.
|
|
*
|
|
* Returns: The new channel.
|
|
*/
|
|
gint32
|
|
gimp_selection_save (gint32 image_ID)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gint32 channel_ID = -1;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_save",
|
|
&nreturn_vals,
|
|
GIMP_PDB_IMAGE, image_ID,
|
|
GIMP_PDB_END);
|
|
|
|
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
|
|
channel_ID = return_vals[1].data.d_channel;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return channel_ID;
|
|
}
|
|
|
|
/**
|
|
* gimp_selection_combine:
|
|
* @channel_ID: The channel.
|
|
* @operation: The selection operation.
|
|
*
|
|
* Combines the specified channel with the selection mask.
|
|
*
|
|
* This procedure combines the specified channel into the selection
|
|
* mask.
|
|
*
|
|
* Returns: TRUE on success.
|
|
*/
|
|
gboolean
|
|
gimp_selection_combine (gint32 channel_ID,
|
|
GimpChannelOps operation)
|
|
{
|
|
GimpParam *return_vals;
|
|
gint nreturn_vals;
|
|
gboolean success = TRUE;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_selection_combine",
|
|
&nreturn_vals,
|
|
GIMP_PDB_CHANNEL, channel_ID,
|
|
GIMP_PDB_INT32, operation,
|
|
GIMP_PDB_END);
|
|
|
|
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return success;
|
|
}
|