gimp/app/actions/gradient-editor-commands.c

739 lines
25 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "actions-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpgradient.h"
#include "widgets/gimpgradienteditor.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpuimanager.h"
#include "widgets/gimpviewabledialog.h"
#include "gradient-editor-commands.h"
#include "gimp-intl.h"
/* local function prototypes */
static void gradient_editor_split_uniform_response (GtkWidget *widget,
gint response_id,
GimpGradientEditor *editor);
static void gradient_editor_replicate_response (GtkWidget *widget,
gint response_id,
GimpGradientEditor *editor);
/* public functions */
void
gradient_editor_left_color_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
gimp_gradient_editor_edit_left_color (editor);
}
void
gradient_editor_left_color_type_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientColor color_type;
color_type = (GimpGradientColor) g_variant_get_int32 (value);
gimp_gradient_editor_get_selection (editor, &gradient, &left, NULL);
if (gradient &&
color_type >= 0 &&
color_type !=
gimp_gradient_segment_get_left_color_type (gradient, left))
{
GimpRGB color;
gimp_gradient_segment_get_left_flat_color (gradient,
GIMP_DATA_EDITOR (editor)->context,
left, &color);
gimp_data_freeze (GIMP_DATA (gradient));
gimp_gradient_segment_set_left_color_type (gradient, left, color_type);
if (color_type == GIMP_GRADIENT_COLOR_FIXED)
gimp_gradient_segment_set_left_color (gradient, left, &color);
gimp_data_thaw (GIMP_DATA (gradient));
}
}
void
gradient_editor_load_left_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
GimpGradientSegment *seg;
GimpRGB color;
GimpGradientColor color_type = GIMP_GRADIENT_COLOR_FIXED;
gint index = g_variant_get_int32 (value);
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
switch (index)
{
case GRADIENT_EDITOR_COLOR_NEIGHBOR_ENDPOINT:
if (left->prev != NULL)
seg = left->prev;
else
seg = gimp_gradient_segment_get_last (left);
color = seg->right_color;
color_type = seg->right_color_type;
break;
case GRADIENT_EDITOR_COLOR_OTHER_ENDPOINT:
color = right->right_color;
color_type = right->right_color_type;
break;
case GRADIENT_EDITOR_COLOR_FOREGROUND:
gimp_context_get_foreground (data_editor->context, &color);
break;
case GRADIENT_EDITOR_COLOR_BACKGROUND:
gimp_context_get_background (data_editor->context, &color);
break;
default: /* Load a color */
color = editor->saved_colors[index - GRADIENT_EDITOR_COLOR_FIRST_CUSTOM];
break;
}
gimp_data_freeze (GIMP_DATA (gradient));
gimp_gradient_segment_range_blend (gradient, left, right,
&color,
&right->right_color,
TRUE, TRUE);
gimp_gradient_segment_set_left_color_type (gradient, left, color_type);
gimp_data_thaw (GIMP_DATA (gradient));
}
void
gradient_editor_save_left_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
gint index = g_variant_get_int32 (value);
gimp_gradient_editor_get_selection (editor, &gradient, &left, NULL);
gimp_gradient_segment_get_left_color (gradient, left,
&editor->saved_colors[index]);
}
void
gradient_editor_right_color_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
gimp_gradient_editor_edit_right_color (editor);
}
void
gradient_editor_right_color_type_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *right;
GimpGradientColor color_type;
color_type = (GimpGradientColor) g_variant_get_int32 (value);
gimp_gradient_editor_get_selection (editor, &gradient, NULL, &right);
if (gradient &&
color_type >= 0 &&
color_type !=
gimp_gradient_segment_get_right_color_type (gradient, right))
{
GimpRGB color;
gimp_gradient_segment_get_right_flat_color (gradient,
GIMP_DATA_EDITOR (editor)->context,
right, &color);
gimp_data_freeze (GIMP_DATA (gradient));
gimp_gradient_segment_set_right_color_type (gradient, right, color_type);
if (color_type == GIMP_GRADIENT_COLOR_FIXED)
gimp_gradient_segment_set_right_color (gradient, right, &color);
gimp_data_thaw (GIMP_DATA (gradient));
}
}
void
gradient_editor_load_right_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
GimpGradientSegment *seg;
GimpRGB color;
GimpGradientColor color_type = GIMP_GRADIENT_COLOR_FIXED;
gint index = g_variant_get_int32 (value);
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
switch (index)
{
case GRADIENT_EDITOR_COLOR_NEIGHBOR_ENDPOINT:
if (right->next != NULL)
seg = right->next;
else
seg = gimp_gradient_segment_get_first (right);
color = seg->left_color;
color_type = seg->left_color_type;
break;
case GRADIENT_EDITOR_COLOR_OTHER_ENDPOINT:
color = left->left_color;
color_type = left->left_color_type;
break;
case GRADIENT_EDITOR_COLOR_FOREGROUND:
gimp_context_get_foreground (data_editor->context, &color);
break;
case GRADIENT_EDITOR_COLOR_BACKGROUND:
gimp_context_get_background (data_editor->context, &color);
break;
default: /* Load a color */
color = editor->saved_colors[index - GRADIENT_EDITOR_COLOR_FIRST_CUSTOM];
break;
}
gimp_data_freeze (GIMP_DATA (gradient));
gimp_gradient_segment_range_blend (gradient, left, right,
&left->left_color,
&color,
TRUE, TRUE);
gimp_gradient_segment_set_right_color_type (gradient, left, color_type);
gimp_data_thaw (GIMP_DATA (gradient));
}
void
gradient_editor_save_right_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *right;
gint index = g_variant_get_int32 (value);
gimp_gradient_editor_get_selection (editor, &gradient, NULL, &right);
gimp_gradient_segment_get_right_color (gradient, right,
&editor->saved_colors[index]);
}
void
gradient_editor_blending_func_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
GEnumClass *enum_class = NULL;
GimpGradientSegmentType type;
type = (GimpGradientSegmentType) g_variant_get_int32 (value);
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
enum_class = g_type_class_ref (GIMP_TYPE_GRADIENT_SEGMENT_TYPE);
if (gradient && g_enum_get_value (enum_class, type))
{
gimp_gradient_segment_range_set_blending_function (gradient,
left, right,
type);
}
g_type_class_unref (enum_class);
}
void
gradient_editor_coloring_type_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
GEnumClass *enum_class = NULL;
GimpGradientSegmentColor color;
color = (GimpGradientSegmentColor) g_variant_get_int32 (value);
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
enum_class = g_type_class_ref (GIMP_TYPE_GRADIENT_SEGMENT_COLOR);
if (gradient && g_enum_get_value (enum_class, color))
{
gimp_gradient_segment_range_set_coloring_type (gradient,
left, right,
color);
}
g_type_class_unref (enum_class);
}
void
gradient_editor_flip_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_flip (gradient,
left, right,
&left, &right);
gimp_gradient_editor_set_selection (editor, left, right);
}
void
gradient_editor_replicate_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *scale;
GtkAdjustment *scale_data;
const gchar *title;
const gchar *desc;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
if (left == right)
{
title = _("Replicate Segment");
desc = _("Replicate Gradient Segment");
}
else
{
title = _("Replicate Selection");
desc = _("Replicate Gradient Selection");
}
dialog = gimp_viewable_dialog_new (g_list_prepend (NULL, gradient),
data_editor->context,
title,
"gimp-gradient-segment-replicate",
GIMP_ICON_GRADIENT, desc,
GTK_WIDGET (editor),
gimp_standard_help_func,
GIMP_HELP_GRADIENT_EDITOR_REPLICATE,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Replicate"), GTK_RESPONSE_OK,
NULL);
gimp_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect (dialog, "response",
G_CALLBACK (gradient_editor_replicate_response),
editor);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
/* Instructions */
if (left == right)
label = gtk_label_new (_("Select the number of times\n"
"to replicate the selected segment."));
else
label = gtk_label_new (_("Select the number of times\n"
"to replicate the selection."));
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
/* Scale */
scale_data = gtk_adjustment_new (2.0, 2.0, 21.0, 1.0, 1.0, 1.0);
scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, scale_data);
gtk_scale_set_digits (GTK_SCALE (scale), 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, TRUE, 4);
gtk_widget_show (scale);
g_object_set_data (G_OBJECT (dialog), "adjustment", scale_data);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
gtk_widget_show (dialog);
}
void
gradient_editor_split_midpoint_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_split_midpoint (gradient,
data_editor->context,
left, right,
editor->blend_color_space,
&left, &right);
gimp_gradient_editor_set_selection (editor, left, right);
}
void
gradient_editor_split_uniformly_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *scale;
GtkAdjustment *scale_data;
const gchar *title;
const gchar *desc;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
if (left == right)
{
title = _("Split Segment Uniformly");
desc = _("Split Gradient Segment Uniformly");
}
else
{
title = _("Split Segments Uniformly");
desc = _("Split Gradient Segments Uniformly");
}
dialog = gimp_viewable_dialog_new (g_list_prepend (NULL, gradient),
data_editor->context,
title,
"gimp-gradient-segment-split-uniformly",
GIMP_ICON_GRADIENT, desc,
GTK_WIDGET (editor),
gimp_standard_help_func,
GIMP_HELP_GRADIENT_EDITOR_SPLIT_UNIFORM,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("_Split"), GTK_RESPONSE_OK,
NULL);
gimp_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
g_signal_connect (dialog, "response",
G_CALLBACK (gradient_editor_split_uniform_response),
editor);
/* The main vbox */
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
vbox, TRUE, TRUE, 0);
gtk_widget_show (vbox);
/* Instructions */
if (left == right)
label = gtk_label_new (_("Select the number of uniform parts\n"
"in which to split the selected segment."));
else
label = gtk_label_new (_("Select the number of uniform parts\n"
"in which to split the segments in the selection."));
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
/* Scale */
scale_data = gtk_adjustment_new (2.0, 2.0, 21.0, 1.0, 1.0, 1.0);
scale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, scale_data);
gtk_scale_set_digits (GTK_SCALE (scale), 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 4);
gtk_widget_show (scale);
g_object_set_data (G_OBJECT (dialog), "adjustment", scale_data);
gtk_widget_set_sensitive (GTK_WIDGET (editor), FALSE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
gtk_widget_show (dialog);
}
void
gradient_editor_delete_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_delete (gradient,
left, right,
&left, &right);
gimp_gradient_editor_set_selection (editor, left, right);
}
void
gradient_editor_recenter_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_recenter_handles (gradient, left, right);
}
void
gradient_editor_redistribute_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_redistribute_handles (gradient, left, right);
}
void
gradient_editor_blend_color_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_blend (gradient, left, right,
&left->left_color,
&right->right_color,
TRUE, FALSE);
}
void
gradient_editor_blend_opacity_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_blend (gradient, left, right,
&left->left_color,
&right->right_color,
FALSE, TRUE);
}
void
gradient_editor_zoom_cmd_callback (GimpAction *action,
GVariant *value,
gpointer data)
{
GimpGradientEditor *editor = GIMP_GRADIENT_EDITOR (data);
GimpZoomType zoom_type = (GimpZoomType) g_variant_get_int32 (value);
gimp_gradient_editor_zoom (editor, zoom_type, 1.0);
}
/* private functions */
static void
gradient_editor_split_uniform_response (GtkWidget *widget,
gint response_id,
GimpGradientEditor *editor)
{
GtkAdjustment *adjustment;
gint split_parts;
adjustment = g_object_get_data (G_OBJECT (widget), "adjustment");
split_parts = RINT (gtk_adjustment_get_value (adjustment));
gtk_widget_destroy (widget);
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
if (response_id == GTK_RESPONSE_OK)
{
GimpDataEditor *data_editor = GIMP_DATA_EDITOR (editor);
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_split_uniform (gradient,
data_editor->context,
left, right,
split_parts,
editor->blend_color_space,
&left, &right);
gimp_gradient_editor_set_selection (editor, left, right);
}
}
static void
gradient_editor_replicate_response (GtkWidget *widget,
gint response_id,
GimpGradientEditor *editor)
{
GtkAdjustment *adjustment;
gint replicate_times;
adjustment = g_object_get_data (G_OBJECT (widget), "adjustment");
replicate_times = RINT (gtk_adjustment_get_value (adjustment));
gtk_widget_destroy (widget);
gtk_widget_set_sensitive (GTK_WIDGET (editor), TRUE);
gimp_ui_manager_update (gimp_editor_get_ui_manager (GIMP_EDITOR (editor)),
gimp_editor_get_popup_data (GIMP_EDITOR (editor)));
if (response_id == GTK_RESPONSE_OK)
{
GimpGradient *gradient;
GimpGradientSegment *left;
GimpGradientSegment *right;
gimp_gradient_editor_get_selection (editor, &gradient, &left, &right);
gimp_gradient_segment_range_replicate (gradient,
left, right,
replicate_times,
&left, &right);
gimp_gradient_editor_set_selection (editor, left, right);
}
}