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PIKApp/libpika/pikagradient_pdb.c

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Initial checkin of Pika from heckimp
2023-09-26 00:35:21 +02:00
/* LIBPIKA - The PIKA Library
* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
*
* pikagradient_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 "pika.h"
/**
* SECTION: pikagradient
* @title: pikagradient
* @short_description: Installable object used by the gradient rendering tool.
*
* Installable object used by the gradient rendering tool.
**/
/**
* pika_gradient_new:
* @name: The requested name of the new gradient.
*
* Creates a new gradient
*
* Creates a new gradient having no segments.
*
* Returns: (transfer none): The gradient.
*
* Since: 2.2
**/
PikaGradient *
pika_gradient_new (const gchar *name)
{
PikaValueArray *args;
PikaValueArray *return_vals;
PikaGradient *gradient = NULL;
args = pika_value_array_new_from_types (NULL,
G_TYPE_STRING, name,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-new",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
gradient = PIKA_VALUES_GET_GRADIENT (return_vals, 1);
pika_value_array_unref (return_vals);
return gradient;
}
/**
* pika_gradient_get_by_name:
* @name: The name of the gradient.
*
* Returns the gradient with the given name.
*
* Returns the gradient with the given name.
*
* Returns: (transfer none): The gradient.
*
* Since: 3.0
**/
PikaGradient *
pika_gradient_get_by_name (const gchar *name)
{
PikaValueArray *args;
PikaValueArray *return_vals;
PikaGradient *gradient = NULL;
args = pika_value_array_new_from_types (NULL,
G_TYPE_STRING, name,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-get-by-name",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
gradient = PIKA_VALUES_GET_GRADIENT (return_vals, 1);
pika_value_array_unref (return_vals);
return gradient;
}
/**
* pika_gradient_get_number_of_segments:
* @gradient: The gradient.
*
* Gets the number of segments of the gradient
*
* Gets the number of segments of the gradient
*
* Returns: Number of segments.
*
* Since: 2.6
**/
gint
pika_gradient_get_number_of_segments (PikaGradient *gradient)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gint num_segments = 0;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-get-number-of-segments",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
num_segments = PIKA_VALUES_GET_INT (return_vals, 1);
pika_value_array_unref (return_vals);
return num_segments;
}
/**
* pika_gradient_get_uniform_samples:
* @gradient: The gradient.
* @num_samples: The number of samples to take.
* @reverse: Use the reverse gradient.
* @num_color_samples: (out): Length of the color_samples array (4 * num_samples).
* @color_samples: (out) (array length=num_color_samples) (element-type gdouble) (transfer full): Color samples: { R1, G1, B1, A1, ..., Rn, Gn, Bn, An }.
*
* Sample the gradient in uniform parts.
*
* Samples colors uniformly across the gradient. It returns a list of
* floating-point values which correspond to the RGBA values for each
* sample. The minimum number of samples to take is 2, in which case
* the returned colors will correspond to the { 0.0, 1.0 } positions in
* the gradient. For example, if the number of samples is 3, the
* procedure will return the colors at positions { 0.0, 0.5, 1.0 }.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_get_uniform_samples (PikaGradient *gradient,
gint num_samples,
gboolean reverse,
gint *num_color_samples,
gdouble **color_samples)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, num_samples,
G_TYPE_BOOLEAN, reverse,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-get-uniform-samples",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*num_color_samples = 0;
*color_samples = NULL;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
{
*num_color_samples = PIKA_VALUES_GET_INT (return_vals, 1);
*color_samples = PIKA_VALUES_DUP_FLOAT_ARRAY (return_vals, 2);
}
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_get_custom_samples:
* @gradient: The gradient.
* @num_samples: The number of samples to take.
* @positions: (array length=num_samples) (element-type gdouble): The list of positions to sample along the gradient.
* @reverse: Use the reverse gradient.
* @num_color_samples: (out): Length of the color_samples array (4 * num_samples).
* @color_samples: (out) (array length=num_color_samples) (element-type gdouble) (transfer full): Color samples: { R1, G1, B1, A1, ..., Rn, Gn, Bn, An }.
*
* Sample the gradient in custom positions.
*
* Samples the color of the gradient at positions from a list. The left
* endpoint of the gradient corresponds to position 0.0, and the right
* endpoint corresponds to 1.0. Returns a list of floating-point
* values, four for each sample (RGBA.)
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_get_custom_samples (PikaGradient *gradient,
gint num_samples,
const gdouble *positions,
gboolean reverse,
gint *num_color_samples,
gdouble **color_samples)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, num_samples,
PIKA_TYPE_FLOAT_ARRAY, NULL,
G_TYPE_BOOLEAN, reverse,
G_TYPE_NONE);
pika_value_set_float_array (pika_value_array_index (args, 2), positions, num_samples);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-get-custom-samples",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*num_color_samples = 0;
*color_samples = NULL;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
{
*num_color_samples = PIKA_VALUES_GET_INT (return_vals, 1);
*color_samples = PIKA_VALUES_DUP_FLOAT_ARRAY (return_vals, 2);
}
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_get_left_color:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @color: (out caller-allocates): The return color.
* @opacity: (out): The opacity of the endpoint.
*
* Gets the left endpoint color of the segment
*
* Gets the left endpoint color of the indexed segment of the gradient.
* Returns an error when the segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_get_left_color (PikaGradient *gradient,
gint segment,
PikaRGB *color,
gdouble *opacity)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-get-left-color",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*opacity = 0.0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
{
PIKA_VALUES_GET_RGB (return_vals, 1, &*color);
*opacity = PIKA_VALUES_GET_DOUBLE (return_vals, 2);
}
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_set_left_color:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @color: The color to set.
* @opacity: The opacity to set for the endpoint.
*
* Sets the left endpoint color of a segment
*
* Sets the color of the left endpoint the indexed segment of the
* gradient.
* Returns an error when gradient is not editable or index is out of
* range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_set_left_color (PikaGradient *gradient,
gint segment,
const PikaRGB *color,
gdouble opacity)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
PIKA_TYPE_RGB, color,
G_TYPE_DOUBLE, opacity,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-set-left-color",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_get_right_color:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @color: (out caller-allocates): The return color.
* @opacity: (out): The opacity of the endpoint.
*
* Gets the right endpoint color of the segment
*
* Gets the color of the right endpoint color of the segment of the
* gradient.
* Returns an error when the segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_get_right_color (PikaGradient *gradient,
gint segment,
PikaRGB *color,
gdouble *opacity)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-get-right-color",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*opacity = 0.0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
{
PIKA_VALUES_GET_RGB (return_vals, 1, &*color);
*opacity = PIKA_VALUES_GET_DOUBLE (return_vals, 2);
}
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_set_right_color:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @color: The color to set.
* @opacity: The opacity to set for the endpoint.
*
* Sets the right endpoint color of the segment
*
* Sets the right endpoint color of the segment of the gradient.
* Returns an error when gradient is not editable or segment index is
* out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_set_right_color (PikaGradient *gradient,
gint segment,
const PikaRGB *color,
gdouble opacity)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
PIKA_TYPE_RGB, color,
G_TYPE_DOUBLE, opacity,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-set-right-color",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_get_left_pos:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @pos: (out): The return position.
*
* Gets the left endpoint position of a segment
*
* Gets the position of the left endpoint of the segment of the
* gradient.
* Returns an error when the segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_get_left_pos (PikaGradient *gradient,
gint segment,
gdouble *pos)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-get-left-pos",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*pos = 0.0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
*pos = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_set_left_pos:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @pos: The position to set the guidepoint to.
* @final_pos: (out): The return position.
*
* Sets the left endpoint position of the segment
*
* Sets the position of the left endpoint of the segment of the
* gradient. The final position will be the given fraction from the
* midpoint to the left to the midpoint of the current segment.
* Returns the final position. Returns an error when gradient is not
* editable or segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_set_left_pos (PikaGradient *gradient,
gint segment,
gdouble pos,
gdouble *final_pos)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_DOUBLE, pos,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-set-left-pos",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*final_pos = 0.0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
*final_pos = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_get_middle_pos:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @pos: (out): The return position.
*
* Gets the midpoint position of the segment
*
* Gets the position of the midpoint of the segment of the gradient.
* Returns an error when the segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_get_middle_pos (PikaGradient *gradient,
gint segment,
gdouble *pos)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-get-middle-pos",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*pos = 0.0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
*pos = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_set_middle_pos:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @pos: The position to set the guidepoint to.
* @final_pos: (out): The return position.
*
* Sets the midpoint position of the segment
*
* Sets the midpoint position of the segment of the gradient. The final
* position will be the given fraction between the two endpoints of the
* segment.
* Returns the final position. Returns an error when gradient is not
* editable or segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_set_middle_pos (PikaGradient *gradient,
gint segment,
gdouble pos,
gdouble *final_pos)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_DOUBLE, pos,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-set-middle-pos",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*final_pos = 0.0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
*final_pos = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_get_right_pos:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @pos: (out): The return position.
*
* Gets the right endpoint position of the segment
*
* Gets the position of the right endpoint of the segment of the
* gradient.
* Returns an error when the segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_get_right_pos (PikaGradient *gradient,
gint segment,
gdouble *pos)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-get-right-pos",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*pos = 0.0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
*pos = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_set_right_pos:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @pos: The position to set the right endpoint to.
* @final_pos: (out): The return position.
*
* Sets the right endpoint position of the segment
*
* Sets the right endpoint position of the segment of the gradient. The
* final position will be the given fraction from the midpoint of the
* current segment to the midpoint of the segment to the right.
* Returns the final position. Returns an error when gradient is not
* editable or segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_set_right_pos (PikaGradient *gradient,
gint segment,
gdouble pos,
gdouble *final_pos)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_DOUBLE, pos,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-set-right-pos",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*final_pos = 0.0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
*final_pos = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_get_blending_function:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @blend_func: (out): The blending function of the segment.
*
* Gets the gradient segment's blending function
*
* Gets the blending function of the segment at the index.
* Returns an error when the segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_get_blending_function (PikaGradient *gradient,
gint segment,
PikaGradientSegmentType *blend_func)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-get-blending-function",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*blend_func = 0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
*blend_func = PIKA_VALUES_GET_ENUM (return_vals, 1);
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_get_coloring_type:
* @gradient: The gradient.
* @segment: The index of a segment within the gradient.
* @coloring_type: (out): The coloring type of the segment.
*
* Gets the gradient segment's coloring type
*
* Gets the coloring type of the segment at the index.
* Returns an error when the segment index is out of range.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_get_coloring_type (PikaGradient *gradient,
gint segment,
PikaGradientSegmentColor *coloring_type)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-get-coloring-type",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
*coloring_type = 0;
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
if (success)
*coloring_type = PIKA_VALUES_GET_ENUM (return_vals, 1);
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_set_blending_function:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
* @blending_function: The blending function.
*
* Sets the blending function of a range of segments
*
* Sets the blending function of a range of segments.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_set_blending_function (PikaGradient *gradient,
gint start_segment,
gint end_segment,
PikaGradientSegmentType blending_function)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
PIKA_TYPE_GRADIENT_SEGMENT_TYPE, blending_function,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-set-blending-function",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_set_coloring_type:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
* @coloring_type: The coloring type.
*
* Sets the coloring type of a range of segments
*
* Sets the coloring type of a range of segments.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_set_coloring_type (PikaGradient *gradient,
gint start_segment,
gint end_segment,
PikaGradientSegmentColor coloring_type)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
PIKA_TYPE_GRADIENT_SEGMENT_COLOR, coloring_type,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-set-coloring-type",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_flip:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
*
* Flip the segment range
*
* Reverses the order of segments in a range, and swaps the left and
* right colors in each segment. As if the range as a 1D line were
* rotated in a plane.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_flip (PikaGradient *gradient,
gint start_segment,
gint end_segment)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-flip",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_replicate:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
* @replicate_times: The number of replicas for each segment.
*
* Replicate the segment range
*
* Replicates a segment range a given number of times. Instead of the
* original segment range, several smaller scaled copies of it will
* appear in equal widths.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_replicate (PikaGradient *gradient,
gint start_segment,
gint end_segment,
gint replicate_times)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_INT, replicate_times,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-replicate",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_split_midpoint:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
*
* Splits each segment in the segment range at midpoint
*
* Splits each segment in the segment range at its midpoint.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_split_midpoint (PikaGradient *gradient,
gint start_segment,
gint end_segment)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-split-midpoint",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_split_uniform:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
* @split_parts: The number of uniform divisions to split each segment to.
*
* Splits each segment in the segment range uniformly
*
* Splits each segment in the segment range uniformly into to the
* number of parts given.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_split_uniform (PikaGradient *gradient,
gint start_segment,
gint end_segment,
gint split_parts)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_INT, split_parts,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-split-uniform",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_delete:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
*
* Delete the segment range
*
* Deletes a range of segments.
* Returns an error when a segment index is out of range, or gradient
* is not editable. Deleting all the segments is undefined behavior.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_delete (PikaGradient *gradient,
gint start_segment,
gint end_segment)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-delete",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_redistribute_handles:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
*
* Uniformly redistribute the segment range's handles
*
* Redistributes the handles of the segment range of the gradient, so
* they'll be evenly spaced. A handle is where two segments meet.
* Segments will then have the same width.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_redistribute_handles (PikaGradient *gradient,
gint start_segment,
gint end_segment)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-redistribute-handles",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_blend_colors:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
*
* Blend the colors of the segment range.
*
* Blends the colors (but not the opacity) of the range of segments.
* The colors' transition will then be uniform across the range.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_blend_colors (PikaGradient *gradient,
gint start_segment,
gint end_segment)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-blend-colors",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_blend_opacity:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
*
* Blend the opacity of the segment range.
*
* Blends the opacity (but not the colors) of the range of segments.
* The opacity's transition will then be uniform across the range.
* Returns an error when a segment index is out of range, or gradient
* is not editable.
*
* Returns: TRUE on success.
*
* Since: 2.2
**/
gboolean
pika_gradient_segment_range_blend_opacity (PikaGradient *gradient,
gint start_segment,
gint end_segment)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gboolean success = TRUE;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-blend-opacity",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS;
pika_value_array_unref (return_vals);
return success;
}
/**
* pika_gradient_segment_range_move:
* @gradient: The gradient.
* @start_segment: Index of the first segment to operate on.
* @end_segment: Index of the last segment to operate on. If negative, the range will extend to the end segment.
* @delta: The delta to move the segment range.
* @control_compress: Whether or not to compress the neighboring segments.
*
* Move the position of an entire segment range by a delta.
*
* Moves the position of an entire segment range by a delta. The actual
* delta (which is returned) will be limited by the control points of
* the neighboring segments.
* Returns the actual delta. Returns an error when a segment index is
* out of range, or gradient is not editable.
*
* Returns: The final delta by which the range moved.
*
* Since: 2.2
**/
gdouble
pika_gradient_segment_range_move (PikaGradient *gradient,
gint start_segment,
gint end_segment,
gdouble delta,
gboolean control_compress)
{
PikaValueArray *args;
PikaValueArray *return_vals;
gdouble final_delta = 0.0;
args = pika_value_array_new_from_types (NULL,
PIKA_TYPE_GRADIENT, gradient,
G_TYPE_INT, start_segment,
G_TYPE_INT, end_segment,
G_TYPE_DOUBLE, delta,
G_TYPE_BOOLEAN, control_compress,
G_TYPE_NONE);
Updated with upstream update
2023-10-30 23:55:30 +01:00
return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (),
"pika-gradient-segment-range-move",
args);
Initial checkin of Pika from heckimp
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pika_value_array_unref (args);
if (PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS)
final_delta = PIKA_VALUES_GET_DOUBLE (return_vals, 1);
pika_value_array_unref (return_vals);
return final_delta;
}