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gimp/libgimp/gimppath_pdb.c
Jehan dc3e815ff0 app, libgimp*, pdb, plug-ins: rename various public API name s/float/double/. 
Several types functions were using the wording "float" historically to
mean double-precision, e.g. the float array type (which was in fact a
double array). Or the scanner function gimp_scanner_parse_float() was in
fact returning a double value. What if we wanted someday to actually add
float (usually this naming means in C the single-precision IEEE 754
floating point representation) support? How would we name this?

Now technically it's not entirely wrong (a double is still a floating
point). So I've been wondering if that is because maybe we never planned
to have float and double precision may be good enough for all usage in a
plug-in API (which doesn't have to be as generic so the higher precision
is enough)? But how can we be sure? Also we already had some functions
using the wording double (e.g. gimp_procedure_add_double_argument()), so
let's just go the safe route and use the accurate wording.

The additional change in PDB is internal, but there too, I was also
finding very confusing that we were naming double-precision float as
'float' type. So I took the opportunity to update this. It doesn't
change any signature.

In fact the whole commit doesn't change any type or code logic, only
naming, except for one bug fix in the middle which I encountered while
renaming: in gimp_scanner_parse_deprecated_color(), I discovered a
hidden bug in scanning (color-hsv*) values, which was mistakenly using a
double type for an array of float.
2024-11-02 15:00:03 +01:00

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
*
* gimppath_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 "stamp-pdbgen.h"
#include "gimp.h"
/**
* SECTION: gimppath
* @title: gimppath
* @short_description: Functions for querying and manipulating path.
*
* Functions for querying and manipulating path.
**/
/**
* gimp_path_new:
* @image: The image.
* @name: the name of the new path object.
*
* Creates a new empty path object.
*
* Creates a new empty path object. The path object needs to be added
* to the image using gimp_image_insert_path().
*
* Returns: (transfer none):
* the current path object, 0 if no path exists in the image.
*
* Since: 2.4
**/
GimpPath *
gimp_path_new (GimpImage *image,
const gchar *name)
{
GimpValueArray *args;
GimpValueArray *return_vals;
GimpPath *path = NULL;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_IMAGE, image,
G_TYPE_STRING, name,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-new",
args);
gimp_value_array_unref (args);
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
path = GIMP_VALUES_GET_PATH (return_vals, 1);
gimp_value_array_unref (return_vals);
return path;
}
/**
* gimp_path_new_from_text_layer:
* @image: The image.
* @layer: The text layer.
*
* Creates a new path object from a text layer.
*
* Creates a new path object from a text layer. The path object needs
* to be added to the image using gimp_image_insert_path().
*
* Returns: (transfer none): The path of the text layer.
*
* Since: 2.6
**/
GimpPath *
gimp_path_new_from_text_layer (GimpImage *image,
GimpLayer *layer)
{
GimpValueArray *args;
GimpValueArray *return_vals;
GimpPath *path = NULL;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_IMAGE, image,
GIMP_TYPE_LAYER, layer,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-new-from-text-layer",
args);
gimp_value_array_unref (args);
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
path = GIMP_VALUES_GET_PATH (return_vals, 1);
gimp_value_array_unref (return_vals);
return path;
}
/**
* gimp_path_copy:
* @path: The path object to copy.
*
* Copy a path object.
*
* This procedure copies the specified path object and returns the
* copy.
*
* Returns: (transfer none): The newly copied path object.
*
* Since: 2.6
**/
GimpPath *
gimp_path_copy (GimpPath *path)
{
GimpValueArray *args;
GimpValueArray *return_vals;
GimpPath *path_copy = NULL;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-copy",
args);
gimp_value_array_unref (args);
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
path_copy = GIMP_VALUES_GET_PATH (return_vals, 1);
gimp_value_array_unref (return_vals);
return path_copy;
}
/**
* gimp_path_get_strokes:
* @path: The path object.
* @num_strokes: (out): The number of strokes returned.
*
* List the strokes associated with the passed path.
*
* Returns an Array with the stroke-IDs associated with the passed
* path.
*
* Returns: (array length=num_strokes) (element-type gint32) (transfer full):
* List of the strokes belonging to the path.
* The returned value must be freed with g_free().
*
* Since: 2.4
**/
gint *
gimp_path_get_strokes (GimpPath *path,
gsize *num_strokes)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gint *stroke_ids = NULL;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-get-strokes",
args);
gimp_value_array_unref (args);
*num_strokes = 0;
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
{
stroke_ids = GIMP_VALUES_DUP_INT32_ARRAY (return_vals, 1, num_strokes);
}
gimp_value_array_unref (return_vals);
return stroke_ids;
}
/**
* gimp_path_stroke_get_length:
* @path: The path object.
* @stroke_id: The stroke ID.
* @precision: The precision used for approximating straight portions of the stroke.
*
* Measure the length of the given stroke.
*
* Measure the length of the given stroke.
*
* Returns: The length (in pixels) of the given stroke.
*
* Since: 2.4
**/
gdouble
gimp_path_stroke_get_length (GimpPath *path,
gint stroke_id,
gdouble precision)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gdouble length = 0.0;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, precision,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-get-length",
args);
gimp_value_array_unref (args);
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
length = GIMP_VALUES_GET_DOUBLE (return_vals, 1);
gimp_value_array_unref (return_vals);
return length;
}
/**
* gimp_path_stroke_get_point_at_dist:
* @path: The path object.
* @stroke_id: The stroke ID.
* @dist: The given distance.
* @precision: The precision used for the approximation.
* @x_point: (out): The x position of the point.
* @y_point: (out): The y position of the point.
* @slope: (out): The slope (dy / dx) at the specified point.
* @valid: (out): Indicator for the validity of the returned data.
*
* Get point at a specified distance along the stroke.
*
* This will return the x,y position of a point at a given distance
* along the stroke. The distance will be obtained by first digitizing
* the curve internally and then walking along the curve. For a closed
* stroke the start of the path is the first point on the path that was
* created. This might not be obvious. If the stroke is not long
* enough, a \"valid\" flag will be FALSE.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_stroke_get_point_at_dist (GimpPath *path,
gint stroke_id,
gdouble dist,
gdouble precision,
gdouble *x_point,
gdouble *y_point,
gdouble *slope,
gboolean *valid)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, dist,
G_TYPE_DOUBLE, precision,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-get-point-at-dist",
args);
gimp_value_array_unref (args);
*x_point = 0.0;
*y_point = 0.0;
*slope = 0.0;
*valid = FALSE;
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
if (success)
{
*x_point = GIMP_VALUES_GET_DOUBLE (return_vals, 1);
*y_point = GIMP_VALUES_GET_DOUBLE (return_vals, 2);
*slope = GIMP_VALUES_GET_DOUBLE (return_vals, 3);
*valid = GIMP_VALUES_GET_BOOLEAN (return_vals, 4);
}
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_remove_stroke:
* @path: The path object.
* @stroke_id: The stroke ID.
*
* remove the stroke from a path object.
*
* Remove the stroke from a path object.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_remove_stroke (GimpPath *path,
gint stroke_id)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-remove-stroke",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_stroke_close:
* @path: The path object.
* @stroke_id: The stroke ID.
*
* closes the specified stroke.
*
* Closes the specified stroke.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_stroke_close (GimpPath *path,
gint stroke_id)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-close",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_stroke_reverse:
* @path: The path object.
* @stroke_id: The stroke ID.
*
* reverses the specified stroke.
*
* Reverses the specified stroke.
*
* Returns: TRUE on success.
*
* Since: 3.0
**/
gboolean
gimp_path_stroke_reverse (GimpPath *path,
gint stroke_id)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-reverse",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_stroke_translate:
* @path: The path object.
* @stroke_id: The stroke ID.
* @off_x: Offset in x direction.
* @off_y: Offset in y direction.
*
* translate the given stroke.
*
* Translate the given stroke.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_stroke_translate (GimpPath *path,
gint stroke_id,
gdouble off_x,
gdouble off_y)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, off_x,
G_TYPE_DOUBLE, off_y,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-translate",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_stroke_scale:
* @path: The path object.
* @stroke_id: The stroke ID.
* @scale_x: Scale factor in x direction.
* @scale_y: Scale factor in y direction.
*
* scales the given stroke.
*
* Scale the given stroke.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_stroke_scale (GimpPath *path,
gint stroke_id,
gdouble scale_x,
gdouble scale_y)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, scale_x,
G_TYPE_DOUBLE, scale_y,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-scale",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_stroke_rotate:
* @path: The path object.
* @stroke_id: The stroke ID.
* @center_x: X coordinate of the rotation center.
* @center_y: Y coordinate of the rotation center.
* @angle: angle to rotate about.
*
* rotates the given stroke.
*
* Rotates the given stroke around given center by angle (in degrees).
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_stroke_rotate (GimpPath *path,
gint stroke_id,
gdouble center_x,
gdouble center_y,
gdouble angle)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, center_x,
G_TYPE_DOUBLE, center_y,
G_TYPE_DOUBLE, angle,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-rotate",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_stroke_flip:
* @path: The path object.
* @stroke_id: The stroke ID.
* @flip_type: Flip orientation, either vertical or horizontal.
* @axis: axis coordinate about which to flip, in pixels.
*
* flips the given stroke.
*
* Rotates the given stroke around given center by angle (in degrees).
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_stroke_flip (GimpPath *path,
gint stroke_id,
GimpOrientationType flip_type,
gdouble axis)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
GIMP_TYPE_ORIENTATION_TYPE, flip_type,
G_TYPE_DOUBLE, axis,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-flip",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_stroke_flip_free:
* @path: The path object.
* @stroke_id: The stroke ID.
* @x1: X coordinate of the first point of the flipping axis.
* @y1: Y coordinate of the first point of the flipping axis.
* @x2: X coordinate of the second point of the flipping axis.
* @y2: Y coordinate of the second point of the flipping axis.
*
* flips the given stroke about an arbitrary axis.
*
* Flips the given stroke about an arbitrary axis. Axis is defined by
* two coordinates in the image (in pixels), through which the flipping
* axis passes.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_stroke_flip_free (GimpPath *path,
gint stroke_id,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, x1,
G_TYPE_DOUBLE, y1,
G_TYPE_DOUBLE, x2,
G_TYPE_DOUBLE, y2,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-flip-free",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_stroke_get_points:
* @path: The path object.
* @stroke_id: The stroke ID.
* @num_points: (out): The number of floats returned.
* @controlpoints: (out) (array length=num_points) (element-type gdouble) (transfer full): List of the control points for the stroke (x0, y0, x1, y1, ...).
* @closed: (out): Whether the stroke is closed or not.
*
* returns the control points of a stroke.
*
* returns the control points of a stroke. The interpretation of the
* coordinates returned depends on the type of the stroke. For Gimp 2.4
* this is always a bezier stroke, where the coordinates are the
* control points.
*
* Returns: type of the stroke (always GIMP_PATH_STROKE_TYPE_BEZIER for now).
*
* Since: 2.4
**/
GimpPathStrokeType
gimp_path_stroke_get_points (GimpPath *path,
gint stroke_id,
gsize *num_points,
gdouble **controlpoints,
gboolean *closed)
{
GimpValueArray *args;
GimpValueArray *return_vals;
GimpPathStrokeType type = 0;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-get-points",
args);
gimp_value_array_unref (args);
*num_points = 0;
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
{
type = GIMP_VALUES_GET_ENUM (return_vals, 1);
*controlpoints = GIMP_VALUES_DUP_DOUBLE_ARRAY (return_vals, 2, num_points);
*closed = GIMP_VALUES_GET_BOOLEAN (return_vals, 3);
}
gimp_value_array_unref (return_vals);
return type;
}
/**
* gimp_path_stroke_new_from_points:
* @path: The path object.
* @type: type of the stroke (always GIMP_PATH_STROKE_TYPE_BEZIER for now).
* @num_points: The number of elements in the array, i.e. the number of controlpoints in the stroke * 2 (x- and y-coordinate).
* @controlpoints: (array length=num_points) (element-type gdouble): List of the x- and y-coordinates of the control points.
* @closed: Whether the stroke is to be closed or not.
*
* Adds a stroke of a given type to the path object.
*
* Adds a stroke of a given type to the path object. The coordinates of
* the control points can be specified. For now only strokes of the
* type GIMP_PATH_STROKE_TYPE_BEZIER are supported. The control points
* are specified as a pair of double values for the x- and
* y-coordinate. The Bezier stroke type needs a multiple of three
* control points. Each Bezier segment endpoint (anchor, A) has two
* additional control points (C) associated. They are specified in the
* order CACCACCAC...
*
* Returns: The stroke ID of the newly created stroke.
*
* Since: 2.4
**/
gint
gimp_path_stroke_new_from_points (GimpPath *path,
GimpPathStrokeType type,
gsize num_points,
const gdouble *controlpoints,
gboolean closed)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gint stroke_id = 0;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
GIMP_TYPE_PATH_STROKE_TYPE, type,
GIMP_TYPE_DOUBLE_ARRAY, NULL,
G_TYPE_BOOLEAN, closed,
G_TYPE_NONE);
gimp_value_set_double_array (gimp_value_array_index (args, 2), controlpoints, num_points);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-new-from-points",
args);
gimp_value_array_unref (args);
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
stroke_id = GIMP_VALUES_GET_INT (return_vals, 1);
gimp_value_array_unref (return_vals);
return stroke_id;
}
/**
* gimp_path_stroke_interpolate:
* @path: The path object.
* @stroke_id: The stroke ID.
* @precision: The precision used for the approximation.
* @num_coords: (out): The number of floats returned.
* @closed: (out): Whether the stroke is closed or not.
*
* returns polygonal approximation of the stroke.
*
* returns polygonal approximation of the stroke.
*
* Returns: (array length=num_coords) (element-type gdouble) (transfer full):
* List of the coords along the path (x0, y0, x1, y1, ...).
* The returned value must be freed with g_free().
*
* Since: 2.4
**/
gdouble *
gimp_path_stroke_interpolate (GimpPath *path,
gint stroke_id,
gdouble precision,
gsize *num_coords,
gboolean *closed)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gdouble *coords = NULL;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, precision,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-stroke-interpolate",
args);
gimp_value_array_unref (args);
*num_coords = 0;
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
{
coords = GIMP_VALUES_DUP_DOUBLE_ARRAY (return_vals, 1, num_coords);
*closed = GIMP_VALUES_GET_BOOLEAN (return_vals, 2);
}
gimp_value_array_unref (return_vals);
return coords;
}
/**
* gimp_path_bezier_stroke_new_moveto:
* @path: The path object.
* @x0: The x-coordinate of the moveto.
* @y0: The y-coordinate of the moveto.
*
* Adds a bezier stroke with a single moveto to the path object.
*
* Adds a bezier stroke with a single moveto to the path object.
*
* Returns: The resulting stroke.
*
* Since: 2.4
**/
gint
gimp_path_bezier_stroke_new_moveto (GimpPath *path,
gdouble x0,
gdouble y0)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gint stroke_id = 0;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_DOUBLE, x0,
G_TYPE_DOUBLE, y0,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-bezier-stroke-new-moveto",
args);
gimp_value_array_unref (args);
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
stroke_id = GIMP_VALUES_GET_INT (return_vals, 1);
gimp_value_array_unref (return_vals);
return stroke_id;
}
/**
* gimp_path_bezier_stroke_lineto:
* @path: The path object.
* @stroke_id: The stroke ID.
* @x0: The x-coordinate of the lineto.
* @y0: The y-coordinate of the lineto.
*
* Extends a bezier stroke with a lineto.
*
* Extends a bezier stroke with a lineto.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_bezier_stroke_lineto (GimpPath *path,
gint stroke_id,
gdouble x0,
gdouble y0)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, x0,
G_TYPE_DOUBLE, y0,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-bezier-stroke-lineto",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_bezier_stroke_conicto:
* @path: The path object.
* @stroke_id: The stroke ID.
* @x0: The x-coordinate of the control point.
* @y0: The y-coordinate of the control point.
* @x1: The x-coordinate of the end point.
* @y1: The y-coordinate of the end point.
*
* Extends a bezier stroke with a conic bezier spline.
*
* Extends a bezier stroke with a conic bezier spline. Actually a cubic
* bezier spline gets added that realizes the shape of a conic bezier
* spline.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_bezier_stroke_conicto (GimpPath *path,
gint stroke_id,
gdouble x0,
gdouble y0,
gdouble x1,
gdouble y1)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, x0,
G_TYPE_DOUBLE, y0,
G_TYPE_DOUBLE, x1,
G_TYPE_DOUBLE, y1,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-bezier-stroke-conicto",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_bezier_stroke_cubicto:
* @path: The path object.
* @stroke_id: The stroke ID.
* @x0: The x-coordinate of the first control point.
* @y0: The y-coordinate of the first control point.
* @x1: The x-coordinate of the second control point.
* @y1: The y-coordinate of the second control point.
* @x2: The x-coordinate of the end point.
* @y2: The y-coordinate of the end point.
*
* Extends a bezier stroke with a cubic bezier spline.
*
* Extends a bezier stroke with a cubic bezier spline.
*
* Returns: TRUE on success.
*
* Since: 2.4
**/
gboolean
gimp_path_bezier_stroke_cubicto (GimpPath *path,
gint stroke_id,
gdouble x0,
gdouble y0,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gboolean success = TRUE;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_INT, stroke_id,
G_TYPE_DOUBLE, x0,
G_TYPE_DOUBLE, y0,
G_TYPE_DOUBLE, x1,
G_TYPE_DOUBLE, y1,
G_TYPE_DOUBLE, x2,
G_TYPE_DOUBLE, y2,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-bezier-stroke-cubicto",
args);
gimp_value_array_unref (args);
success = GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS;
gimp_value_array_unref (return_vals);
return success;
}
/**
* gimp_path_bezier_stroke_new_ellipse:
* @path: The path object.
* @x0: The x-coordinate of the center.
* @y0: The y-coordinate of the center.
* @radius_x: The radius in x direction.
* @radius_y: The radius in y direction.
* @angle: The angle the x-axis of the ellipse (radians, counterclockwise).
*
* Adds a bezier stroke describing an ellipse the path object.
*
* Adds a bezier stroke describing an ellipse on the path object.
*
* Returns: The resulting stroke.
*
* Since: 2.4
**/
gint
gimp_path_bezier_stroke_new_ellipse (GimpPath *path,
gdouble x0,
gdouble y0,
gdouble radius_x,
gdouble radius_y,
gdouble angle)
{
GimpValueArray *args;
GimpValueArray *return_vals;
gint stroke_id = 0;
args = gimp_value_array_new_from_types (NULL,
GIMP_TYPE_PATH, path,
G_TYPE_DOUBLE, x0,
G_TYPE_DOUBLE, y0,
G_TYPE_DOUBLE, radius_x,
G_TYPE_DOUBLE, radius_y,
G_TYPE_DOUBLE, angle,
G_TYPE_NONE);
return_vals = _gimp_pdb_run_procedure_array (gimp_get_pdb (),
"gimp-path-bezier-stroke-new-ellipse",
args);
gimp_value_array_unref (args);
if (GIMP_VALUES_GET_ENUM (return_vals, 0) == GIMP_PDB_SUCCESS)
stroke_id = GIMP_VALUES_GET_INT (return_vals, 1);
gimp_value_array_unref (return_vals);
return stroke_id;
}
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