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gimp/libgimp/gimpdrawable_pdb.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
*
* gimpdrawable_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 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
* <https://www.gnu.org/licenses/>.
*/
/* NOTE: This file is auto-generated by pdbgen.pl */
#include "config.h"
#include <string.h>
#include "gimp.h"
/**
* SECTION: gimpdrawable
* @title: gimpdrawable
* @short_description: Functions to manipulate drawables.
*
* Functions to manipulate drawables.
**/
/**
* _gimp_drawable_get_format:
* @drawable_ID: The drawable.
*
* Returns the drawable's Babl format
*
* This procedure returns the drawable's Babl format.
*
* Returns: The drawable's Babl format.
*
* Since: 2.10
**/
gchar *
_gimp_drawable_get_format (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gchar *format = NULL;
return_vals = gimp_run_procedure ("gimp-drawable-get-format",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
format = g_strdup (return_vals[1].data.d_string);
gimp_destroy_params (return_vals, nreturn_vals);
return format;
}
/**
* _gimp_drawable_get_thumbnail_format:
* @drawable_ID: The drawable.
*
* Returns the drawable's thumbnail Babl format
*
* This procedure returns the drawable's thumbnail Babl format.
* Thumbnails are always 8-bit images, see gimp_drawable_thumbnail()
* and gimp_drawable_sub_thmbnail().
*
* Returns: The drawable's thumbnail Babl format.
*
* Since: 2.10.14
**/
gchar *
_gimp_drawable_get_thumbnail_format (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gchar *format = NULL;
return_vals = gimp_run_procedure ("gimp-drawable-get-thumbnail-format",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
format = g_strdup (return_vals[1].data.d_string);
gimp_destroy_params (return_vals, nreturn_vals);
return format;
}
/**
* gimp_drawable_type:
* @drawable_ID: The drawable.
*
* Returns the drawable's type.
*
* This procedure returns the drawable's type.
*
* Returns: The drawable's type.
**/
GimpImageType
gimp_drawable_type (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
GimpImageType type = 0;
return_vals = gimp_run_procedure ("gimp-drawable-type",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
type = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return type;
}
/**
* gimp_drawable_type_with_alpha:
* @drawable_ID: The drawable.
*
* Returns the drawable's type with alpha.
*
* This procedure returns the drawable's type as if had an alpha
* channel. If the type is currently Gray, for instance, the returned
* type would be GrayA. If the drawable already has an alpha channel,
* the drawable's type is simply returned.
*
* Returns: The drawable's type with alpha.
**/
GimpImageType
gimp_drawable_type_with_alpha (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
GimpImageType type_with_alpha = 0;
return_vals = gimp_run_procedure ("gimp-drawable-type-with-alpha",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
type_with_alpha = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return type_with_alpha;
}
/**
* gimp_drawable_has_alpha:
* @drawable_ID: The drawable.
*
* Returns TRUE if the drawable has an alpha channel.
*
* This procedure returns whether the specified drawable has an alpha
* channel. This can only be true for layers, and the associated type
* will be one of: { RGBA , GRAYA, INDEXEDA }.
*
* Returns: Does the drawable have an alpha channel?
**/
gboolean
gimp_drawable_has_alpha (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean has_alpha = FALSE;
return_vals = gimp_run_procedure ("gimp-drawable-has-alpha",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
has_alpha = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return has_alpha;
}
/**
* gimp_drawable_is_rgb:
* @drawable_ID: The drawable.
*
* Returns whether the drawable is an RGB type.
*
* This procedure returns TRUE if the specified drawable is of type {
* RGB, RGBA }.
*
* Returns: TRUE if the drawable is an RGB type.
**/
gboolean
gimp_drawable_is_rgb (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean is_rgb = FALSE;
return_vals = gimp_run_procedure ("gimp-drawable-is-rgb",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
is_rgb = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return is_rgb;
}
/**
* gimp_drawable_is_gray:
* @drawable_ID: The drawable.
*
* Returns whether the drawable is a grayscale type.
*
* This procedure returns TRUE if the specified drawable is of type {
* Gray, GrayA }.
*
* Returns: TRUE if the drawable is a grayscale type.
**/
gboolean
gimp_drawable_is_gray (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean is_gray = FALSE;
return_vals = gimp_run_procedure ("gimp-drawable-is-gray",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
is_gray = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return is_gray;
}
/**
* gimp_drawable_is_indexed:
* @drawable_ID: The drawable.
*
* Returns whether the drawable is an indexed type.
*
* This procedure returns TRUE if the specified drawable is of type {
* Indexed, IndexedA }.
*
* Returns: TRUE if the drawable is an indexed type.
**/
gboolean
gimp_drawable_is_indexed (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean is_indexed = FALSE;
return_vals = gimp_run_procedure ("gimp-drawable-is-indexed",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
is_indexed = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return is_indexed;
}
/**
* gimp_drawable_bpp:
* @drawable_ID: The drawable.
*
* Returns the bytes per pixel.
*
* This procedure returns the number of bytes per pixel, which
* corresponds to the number of components unless
* gimp_plugin_enable_precision() was called.
*
* Returns: Bytes per pixel.
**/
gint
gimp_drawable_bpp (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gint bpp = 0;
return_vals = gimp_run_procedure ("gimp-drawable-bpp",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
bpp = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return bpp;
}
/**
* gimp_drawable_width:
* @drawable_ID: The drawable.
*
* Returns the width of the drawable.
*
* This procedure returns the specified drawable's width in pixels.
*
* Returns: Width of drawable.
**/
gint
gimp_drawable_width (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gint width = 0;
return_vals = gimp_run_procedure ("gimp-drawable-width",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
width = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return width;
}
/**
* gimp_drawable_height:
* @drawable_ID: The drawable.
*
* Returns the height of the drawable.
*
* This procedure returns the specified drawable's height in pixels.
*
* Returns: Height of drawable.
**/
gint
gimp_drawable_height (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gint height = 0;
return_vals = gimp_run_procedure ("gimp-drawable-height",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
height = return_vals[1].data.d_int32;
gimp_destroy_params (return_vals, nreturn_vals);
return height;
}
/**
* gimp_drawable_offsets:
* @drawable_ID: The drawable.
* @offset_x: x offset of drawable.
* @offset_y: y offset of drawable.
*
* Returns the offsets for the drawable.
*
* This procedure returns the specified drawable's offsets. This only
* makes sense if the drawable is a layer since channels are anchored.
* The offsets of a channel will be returned as 0.
*
* Returns: TRUE on success.
**/
gboolean
gimp_drawable_offsets (gint32 drawable_ID,
gint *offset_x,
gint *offset_y)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-offsets",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
*offset_x = 0;
*offset_y = 0;
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
if (success)
{
*offset_x = return_vals[1].data.d_int32;
*offset_y = return_vals[2].data.d_int32;
}
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* gimp_drawable_set_image:
* @drawable_ID: The drawable.
* @image_ID: The image.
*
* Deprecated: There is no replacement for this procedure.
*
* Returns: TRUE on success.
**/
gboolean
gimp_drawable_set_image (gint32 drawable_ID,
gint32 image_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-set-image",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
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_drawable_mask_bounds:
* @drawable_ID: The drawable.
* @x1: x coordinate of the upper left corner of selection bounds.
* @y1: y coordinate of the upper left corner of selection bounds.
* @x2: x coordinate of the lower right corner of selection bounds.
* @y2: y coordinate of the lower right corner of selection bounds.
*
* Find the bounding box of the current selection in relation to the
* specified drawable.
*
* This procedure returns whether there is a selection. If there is
* one, the upper left and lower right-hand corners of its bounding box
* are returned. These coordinates are specified relative to the
* drawable's origin, and bounded by the drawable's extents. Please
* note that the pixel specified by the lower right-hand 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).
* Note that the returned boolean does NOT correspond with the returned
* region being empty or not, it always returns whether the selection
* is non_empty. See gimp_drawable_mask_intersect() for a boolean
* return value which is more useful in most cases.
*
* Returns: TRUE if there is a selection.
**/
gboolean
gimp_drawable_mask_bounds (gint32 drawable_ID,
gint *x1,
gint *y1,
gint *x2,
gint *y2)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean non_empty = FALSE;
return_vals = gimp_run_procedure ("gimp-drawable-mask-bounds",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_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 non_empty;
}
/**
* gimp_drawable_mask_intersect:
* @drawable_ID: The drawable.
* @x: x coordinate of the upper left corner of the intersection.
* @y: y coordinate of the upper left corner of the intersection.
* @width: width of the intersection.
* @height: height of the intersection.
*
* Find the bounding box of the current selection in relation to the
* specified drawable.
*
* This procedure returns whether there is an intersection between the
* drawable and the selection. Unlike gimp_drawable_mask_bounds(), the
* intersection's bounds are returned as x, y, width, height.
* If there is no selection this function returns TRUE and the returned
* bounds are the extents of the whole drawable.
*
* Returns: TRUE if the returned area is not empty.
*
* Since: 2.2
**/
gboolean
gimp_drawable_mask_intersect (gint32 drawable_ID,
gint *x,
gint *y,
gint *width,
gint *height)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean non_empty = FALSE;
return_vals = gimp_run_procedure ("gimp-drawable-mask-intersect",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
{
non_empty = return_vals[1].data.d_int32;
*x = return_vals[2].data.d_int32;
*y = return_vals[3].data.d_int32;
*width = return_vals[4].data.d_int32;
*height = return_vals[5].data.d_int32;
}
gimp_destroy_params (return_vals, nreturn_vals);
return non_empty;
}
/**
* gimp_drawable_merge_shadow:
* @drawable_ID: The drawable.
* @undo: Push merge to undo stack?
*
* Merge the shadow buffer with the specified drawable.
*
* This procedure combines the contents of the drawable's shadow buffer
* (for temporary processing) with the specified drawable. The 'undo'
* parameter specifies whether to add an undo step for the operation.
* Requesting no undo is useful for such applications as 'auto-apply'.
*
* Returns: TRUE on success.
**/
gboolean
gimp_drawable_merge_shadow (gint32 drawable_ID,
gboolean undo)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-merge-shadow",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, undo,
GIMP_PDB_END);
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* gimp_drawable_free_shadow:
* @drawable_ID: The drawable.
*
* Free the specified drawable's shadow data (if it exists).
*
* This procedure is intended as a memory saving device. If any shadow
* memory has been allocated, it will be freed automatically when the
* drawable is removed from the image, or when the plug-in procedure
* which allocated it returns.
*
* Returns: TRUE on success.
*
* Since: 2.6
**/
gboolean
gimp_drawable_free_shadow (gint32 drawable_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-free-shadow",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_END);
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* gimp_drawable_update:
* @drawable_ID: The drawable.
* @x: x coordinate of upper left corner of update region.
* @y: y coordinate of upper left corner of update region.
* @width: Width of update region.
* @height: Height of update region.
*
* Update the specified region of the drawable.
*
* This procedure updates the specified region of the drawable. The (x,
* y) coordinate pair is relative to the drawable's origin, not to the
* image origin. Therefore, the entire drawable can be updated using
* (0, 0, width, height).
*
* Returns: TRUE on success.
**/
gboolean
gimp_drawable_update (gint32 drawable_ID,
gint x,
gint y,
gint width,
gint height)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-update",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, x,
GIMP_PDB_INT32, y,
GIMP_PDB_INT32, width,
GIMP_PDB_INT32, height,
GIMP_PDB_END);
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* gimp_drawable_get_pixel:
* @drawable_ID: The drawable.
* @x_coord: The x coordinate.
* @y_coord: The y coordinate.
* @num_channels: The number of channels for the pixel.
*
* Gets the value of the pixel at the specified coordinates.
*
* This procedure gets the pixel value at the specified coordinates.
* The 'num_channels' argument must always be equal to the
* bytes-per-pixel value for the specified drawable.
*
* Returns: The pixel value.
**/
guint8 *
gimp_drawable_get_pixel (gint32 drawable_ID,
gint x_coord,
gint y_coord,
gint *num_channels)
{
GimpParam *return_vals;
gint nreturn_vals;
guint8 *pixel = NULL;
return_vals = gimp_run_procedure ("gimp-drawable-get-pixel",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, x_coord,
GIMP_PDB_INT32, y_coord,
GIMP_PDB_END);
*num_channels = 0;
if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
{
*num_channels = return_vals[1].data.d_int32;
pixel = g_new (guint8, *num_channels);
memcpy (pixel,
return_vals[2].data.d_int8array,
*num_channels * sizeof (guint8));
}
gimp_destroy_params (return_vals, nreturn_vals);
return pixel;
}
/**
* gimp_drawable_set_pixel:
* @drawable_ID: The drawable.
* @x_coord: The x coordinate.
* @y_coord: The y coordinate.
* @num_channels: The number of channels for the pixel.
* @pixel: The pixel value.
*
* Sets the value of the pixel at the specified coordinates.
*
* This procedure sets the pixel value at the specified coordinates.
* The 'num_channels' argument must always be equal to the
* bytes-per-pixel value for the specified drawable. Note that this
* function is not undoable, you should use it only on drawables you
* just created yourself.
*
* Returns: TRUE on success.
**/
gboolean
gimp_drawable_set_pixel (gint32 drawable_ID,
gint x_coord,
gint y_coord,
gint num_channels,
const guint8 *pixel)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-set-pixel",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, x_coord,
GIMP_PDB_INT32, y_coord,
GIMP_PDB_INT32, num_channels,
GIMP_PDB_INT8ARRAY, pixel,
GIMP_PDB_END);
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* gimp_drawable_fill:
* @drawable_ID: The drawable.
* @fill_type: The type of fill.
*
* Fill the drawable with the specified fill mode.
*
* This procedure fills the drawable. If the fill mode is foreground
* the current foreground color is used. If the fill mode is
* background, the current background color is used. If the fill type
* is white, then white is used. Transparent fill only affects layers
* with an alpha channel, in which case the alpha channel is set to
* transparent. If the drawable has no alpha channel, it is filled to
* white. No fill leaves the drawable's contents undefined.
* This procedure is unlike gimp_edit_fill() or the bucket fill tool
* because it fills regardless of a selection. Its main purpose is to
* fill a newly created drawable before adding it to the image. This
* operation cannot be undone.
*
* Returns: TRUE on success.
**/
gboolean
gimp_drawable_fill (gint32 drawable_ID,
GimpFillType fill_type)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-fill",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, fill_type,
GIMP_PDB_END);
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* gimp_drawable_offset:
* @drawable_ID: The drawable to offset.
* @wrap_around: wrap image around or fill vacated regions.
* @fill_type: fill vacated regions of drawable with background or transparent.
* @offset_x: offset by this amount in X direction.
* @offset_y: offset by this amount in Y direction.
*
* Offset the drawable by the specified amounts in the X and Y
* directions
*
* This procedure offsets the specified drawable by the amounts
* specified by 'offset_x' and 'offset_y'. If 'wrap_around' is set to
* TRUE, then portions of the drawable which are offset out of bounds
* are wrapped around. Alternatively, the undefined regions of the
* drawable can be filled with transparency or the background color, as
* specified by the 'fill-type' parameter.
*
* Returns: TRUE on success.
**/
gboolean
gimp_drawable_offset (gint32 drawable_ID,
gboolean wrap_around,
GimpOffsetType fill_type,
gint offset_x,
gint offset_y)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-offset",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, wrap_around,
GIMP_PDB_INT32, fill_type,
GIMP_PDB_INT32, offset_x,
GIMP_PDB_INT32, offset_y,
GIMP_PDB_END);
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* _gimp_drawable_thumbnail:
* @drawable_ID: The drawable.
* @width: The requested thumbnail width.
* @height: The requested thumbnail height.
* @actual_width: The previews width.
* @actual_height: The previews height.
* @bpp: The previews bpp.
* @thumbnail_data_count: The number of bytes in thumbnail data.
* @thumbnail_data: The thumbnail data.
*
* Get a thumbnail of a drawable.
*
* This function gets data from which a thumbnail of a drawable preview
* can be created. Maximum x or y dimension is 1024 pixels. The pixels
* are returned in RGB[A] or GRAY[A] format. The bpp return value gives
* the number of bytes in the image.
*
* Returns: TRUE on success.
**/
gboolean
_gimp_drawable_thumbnail (gint32 drawable_ID,
gint width,
gint height,
gint *actual_width,
gint *actual_height,
gint *bpp,
gint *thumbnail_data_count,
guint8 **thumbnail_data)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-thumbnail",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, width,
GIMP_PDB_INT32, height,
GIMP_PDB_END);
*actual_width = 0;
*actual_height = 0;
*bpp = 0;
*thumbnail_data_count = 0;
*thumbnail_data = NULL;
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
if (success)
{
*actual_width = return_vals[1].data.d_int32;
*actual_height = return_vals[2].data.d_int32;
*bpp = return_vals[3].data.d_int32;
*thumbnail_data_count = return_vals[4].data.d_int32;
*thumbnail_data = g_new (guint8, *thumbnail_data_count);
memcpy (*thumbnail_data,
return_vals[5].data.d_int8array,
*thumbnail_data_count * sizeof (guint8));
}
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* _gimp_drawable_sub_thumbnail:
* @drawable_ID: The drawable.
* @src_x: The x coordinate of the area.
* @src_y: The y coordinate of the area.
* @src_width: The width of the area.
* @src_height: The height of the area.
* @dest_width: The thumbnail width.
* @dest_height: The thumbnail height.
* @width: The previews width.
* @height: The previews height.
* @bpp: The previews bpp.
* @thumbnail_data_count: The number of bytes in thumbnail data.
* @thumbnail_data: The thumbnail data.
*
* Get a thumbnail of a sub-area of a drawable drawable.
*
* This function gets data from which a thumbnail of a drawable preview
* can be created. Maximum x or y dimension is 1024 pixels. The pixels
* are returned in RGB[A] or GRAY[A] format. The bpp return value gives
* the number of bytes in the image.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
_gimp_drawable_sub_thumbnail (gint32 drawable_ID,
gint src_x,
gint src_y,
gint src_width,
gint src_height,
gint dest_width,
gint dest_height,
gint *width,
gint *height,
gint *bpp,
gint *thumbnail_data_count,
guint8 **thumbnail_data)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-sub-thumbnail",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, src_x,
GIMP_PDB_INT32, src_y,
GIMP_PDB_INT32, src_width,
GIMP_PDB_INT32, src_height,
GIMP_PDB_INT32, dest_width,
GIMP_PDB_INT32, dest_height,
GIMP_PDB_END);
*width = 0;
*height = 0;
*bpp = 0;
*thumbnail_data_count = 0;
*thumbnail_data = NULL;
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
if (success)
{
*width = return_vals[1].data.d_int32;
*height = return_vals[2].data.d_int32;
*bpp = return_vals[3].data.d_int32;
*thumbnail_data_count = return_vals[4].data.d_int32;
*thumbnail_data = g_new (guint8, *thumbnail_data_count);
memcpy (*thumbnail_data,
return_vals[5].data.d_int8array,
*thumbnail_data_count * sizeof (guint8));
}
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
/**
* gimp_drawable_foreground_extract:
* @drawable_ID: The drawable.
* @mode: The algorithm to use.
* @mask_ID: Tri-Map.
*
* Extract the foreground of a drawable using a given trimap.
*
* Image Segmentation by Uniform Color Clustering, see
* https://www.inf.fu-berlin.de/inst/pubs/tr-b-05-07.pdf
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_drawable_foreground_extract (gint32 drawable_ID,
GimpForegroundExtractMode mode,
gint32 mask_ID)
{
GimpParam *return_vals;
gint nreturn_vals;
gboolean success = TRUE;
return_vals = gimp_run_procedure ("gimp-drawable-foreground-extract",
&nreturn_vals,
GIMP_PDB_DRAWABLE, drawable_ID,
GIMP_PDB_INT32, mode,
GIMP_PDB_DRAWABLE, mask_ID,
GIMP_PDB_END);
success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
gimp_destroy_params (return_vals, nreturn_vals);
return success;
}
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