/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others
*
* 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 .
*/
#include "config.h"
#include
#include
#include "libpikamath/pikamath.h"
#include "libpikacolor/pikacolor.h"
#include "libpikawidgets/pikawidgets.h"
#include "tools-types.h"
#include "config/pikacoreconfig.h"
#include "core/pika.h"
#include "core/pikadrawable.h"
#include "core/pikaimage.h"
#include "core/pikatoolinfo.h"
#include "widgets/pikacolorframe.h"
#include "widgets/pikahelp-ids.h"
#include "widgets/pikawidgets-utils.h"
#include "display/pikadisplay.h"
#include "display/pikatoolgui.h"
#include "pikacolorpickeroptions.h"
#include "pikacolorpickertool.h"
#include "pikatoolcontrol.h"
#include "pika-intl.h"
/* local function prototypes */
static void pika_color_picker_tool_constructed (GObject *object);
static void pika_color_picker_tool_dispose (GObject *object);
static void pika_color_picker_tool_control (PikaTool *tool,
PikaToolAction action,
PikaDisplay *display);
static void pika_color_picker_tool_modifier_key (PikaTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
PikaDisplay *display);
static void pika_color_picker_tool_oper_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
gboolean proximity,
PikaDisplay *display);
static void pika_color_picker_tool_picked (PikaColorTool *color_tool,
const PikaCoords *coords,
PikaDisplay *display,
PikaColorPickState pick_state,
const Babl *sample_format,
gpointer pixel,
const PikaRGB *color);
static void pika_color_picker_tool_info_create (PikaColorPickerTool *picker_tool,
PikaDisplay *display);
static void pika_color_picker_tool_info_response (PikaToolGui *gui,
gint response_id,
PikaColorPickerTool *picker_tool);
static void pika_color_picker_tool_info_update (PikaColorPickerTool *picker_tool,
PikaDisplay *display,
gboolean sample_average,
const Babl *sample_format,
gpointer pixel,
const PikaRGB *color,
gint x,
gint y);
G_DEFINE_TYPE (PikaColorPickerTool, pika_color_picker_tool,
PIKA_TYPE_COLOR_TOOL)
#define parent_class pika_color_picker_tool_parent_class
void
pika_color_picker_tool_register (PikaToolRegisterCallback callback,
gpointer data)
{
(* callback) (PIKA_TYPE_COLOR_PICKER_TOOL,
PIKA_TYPE_COLOR_PICKER_OPTIONS,
pika_color_picker_options_gui,
PIKA_CONTEXT_PROP_MASK_FOREGROUND |
PIKA_CONTEXT_PROP_MASK_BACKGROUND,
"pika-color-picker-tool",
_("Color Picker"),
_("Color Picker Tool: Set colors from image pixels"),
N_("C_olor Picker"), "O",
NULL, PIKA_HELP_TOOL_COLOR_PICKER,
PIKA_ICON_TOOL_COLOR_PICKER,
data);
}
static void
pika_color_picker_tool_class_init (PikaColorPickerToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaToolClass *tool_class = PIKA_TOOL_CLASS (klass);
PikaColorToolClass *color_tool_class = PIKA_COLOR_TOOL_CLASS (klass);
object_class->constructed = pika_color_picker_tool_constructed;
object_class->dispose = pika_color_picker_tool_dispose;
tool_class->control = pika_color_picker_tool_control;
tool_class->modifier_key = pika_color_picker_tool_modifier_key;
tool_class->oper_update = pika_color_picker_tool_oper_update;
color_tool_class->picked = pika_color_picker_tool_picked;
}
static void
pika_color_picker_tool_init (PikaColorPickerTool *picker_tool)
{
PikaColorTool *color_tool = PIKA_COLOR_TOOL (picker_tool);
color_tool->pick_target = PIKA_COLOR_PICK_TARGET_FOREGROUND;
}
static void
pika_color_picker_tool_constructed (GObject *object)
{
PikaTool *tool = PIKA_TOOL (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
pika_color_tool_enable (PIKA_COLOR_TOOL (object),
PIKA_COLOR_TOOL_GET_OPTIONS (tool));
}
static void
pika_color_picker_tool_dispose (GObject *object)
{
PikaColorPickerTool *picker_tool = PIKA_COLOR_PICKER_TOOL (object);
g_clear_object (&picker_tool->gui);
picker_tool->color_area = NULL;
picker_tool->color_frame1 = NULL;
picker_tool->color_frame2 = NULL;
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
pika_color_picker_tool_control (PikaTool *tool,
PikaToolAction action,
PikaDisplay *display)
{
PikaColorPickerTool *picker_tool = PIKA_COLOR_PICKER_TOOL (tool);
switch (action)
{
case PIKA_TOOL_ACTION_PAUSE:
case PIKA_TOOL_ACTION_RESUME:
break;
case PIKA_TOOL_ACTION_HALT:
if (picker_tool->gui)
pika_tool_gui_hide (picker_tool->gui);
break;
case PIKA_TOOL_ACTION_COMMIT:
break;
}
PIKA_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static void
pika_color_picker_tool_modifier_key (PikaTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
PikaDisplay *display)
{
PikaColorPickerOptions *options = PIKA_COLOR_PICKER_TOOL_GET_OPTIONS (tool);
if (key == pika_get_extend_selection_mask ())
{
g_object_set (options, "use-info-window", ! options->use_info_window,
NULL);
}
else if (key == pika_get_toggle_behavior_mask ())
{
switch (options->pick_target)
{
case PIKA_COLOR_PICK_TARGET_FOREGROUND:
g_object_set (options,
"pick-target", PIKA_COLOR_PICK_TARGET_BACKGROUND,
NULL);
break;
case PIKA_COLOR_PICK_TARGET_BACKGROUND:
g_object_set (options,
"pick-target", PIKA_COLOR_PICK_TARGET_FOREGROUND,
NULL);
break;
default:
break;
}
}
}
static void
pika_color_picker_tool_oper_update (PikaTool *tool,
const PikaCoords *coords,
GdkModifierType state,
gboolean proximity,
PikaDisplay *display)
{
PikaColorPickerTool *picker_tool = PIKA_COLOR_PICKER_TOOL (tool);
PikaColorPickerOptions *options = PIKA_COLOR_PICKER_TOOL_GET_OPTIONS (tool);
PIKA_COLOR_TOOL (tool)->pick_target = options->pick_target;
pika_tool_pop_status (tool, display);
if (proximity)
{
gchar *status_help = NULL;
GdkModifierType extend_mask = 0;
GdkModifierType toggle_mask;
if (! picker_tool->gui)
extend_mask = pika_get_extend_selection_mask ();
toggle_mask = pika_get_toggle_behavior_mask ();
switch (options->pick_target)
{
case PIKA_COLOR_PICK_TARGET_NONE:
status_help = pika_suggest_modifiers (_("Click in any image to view"
" its color"),
extend_mask & ~state,
NULL, NULL, NULL);
break;
case PIKA_COLOR_PICK_TARGET_FOREGROUND:
status_help = pika_suggest_modifiers (_("Click in any image to pick"
" the foreground color"),
(extend_mask | toggle_mask) &
~state,
NULL, NULL, NULL);
break;
case PIKA_COLOR_PICK_TARGET_BACKGROUND:
status_help = pika_suggest_modifiers (_("Click in any image to pick"
" the background color"),
(extend_mask | toggle_mask) &
~state,
NULL, NULL, NULL);
break;
case PIKA_COLOR_PICK_TARGET_PALETTE:
status_help = pika_suggest_modifiers (_("Click in any image to add"
" the color to the palette"),
extend_mask & ~state,
NULL, NULL, NULL);
break;
}
if (status_help != NULL)
{
pika_tool_push_status (tool, display, "%s", status_help);
g_free (status_help);
}
}
PIKA_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
display);
}
static void
pika_color_picker_tool_picked (PikaColorTool *color_tool,
const PikaCoords *coords,
PikaDisplay *display,
PikaColorPickState pick_state,
const Babl *sample_format,
gpointer pixel,
const PikaRGB *color)
{
PikaColorPickerTool *picker_tool = PIKA_COLOR_PICKER_TOOL (color_tool);
PikaColorPickerOptions *options;
options = PIKA_COLOR_PICKER_TOOL_GET_OPTIONS (color_tool);
if (options->use_info_window && ! picker_tool->gui)
pika_color_picker_tool_info_create (picker_tool, display);
if (picker_tool->gui &&
(options->use_info_window ||
pika_tool_gui_get_visible (picker_tool->gui)))
{
pika_color_picker_tool_info_update (picker_tool, display,
PIKA_COLOR_OPTIONS (options)->sample_average,
sample_format, pixel, color,
(gint) floor (coords->x),
(gint) floor (coords->y));
}
PIKA_COLOR_TOOL_CLASS (parent_class)->picked (color_tool,
coords, display, pick_state,
sample_format, pixel, color);
}
static void
pika_color_picker_tool_info_create (PikaColorPickerTool *picker_tool,
PikaDisplay *display)
{
Pika *pika = pika_display_get_pika (display);
PikaTool *tool = PIKA_TOOL (picker_tool);
PikaToolOptions *options = PIKA_TOOL_GET_OPTIONS (tool);
PikaContext *context = PIKA_CONTEXT (tool->tool_info->tool_options);
PikaDisplayShell *shell = pika_display_get_shell (display);
PikaImage *image = pika_display_get_image (display);
GList *drawables = pika_image_get_selected_drawables (image);
GtkWidget *hbox;
GtkWidget *frame;
PikaRGB color;
picker_tool->gui = pika_tool_gui_new (tool->tool_info,
NULL,
_("Color Picker Information"),
NULL, NULL,
pika_widget_get_monitor (GTK_WIDGET (shell)),
TRUE,
_("_Close"), GTK_RESPONSE_CLOSE,
NULL);
pika_tool_gui_set_auto_overlay (picker_tool->gui, TRUE);
pika_tool_gui_set_focus_on_map (picker_tool->gui, FALSE);
pika_tool_gui_set_viewables (picker_tool->gui, drawables);
g_signal_connect (picker_tool->gui, "response",
G_CALLBACK (pika_color_picker_tool_info_response),
picker_tool);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (pika_tool_gui_get_vbox (picker_tool->gui)),
hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
picker_tool->color_frame1 = pika_color_frame_new (pika);
pika_color_frame_set_color_config (PIKA_COLOR_FRAME (picker_tool->color_frame1),
context->pika->config->color_management);
pika_color_frame_set_has_coords (PIKA_COLOR_FRAME (picker_tool->color_frame1),
TRUE);
g_object_bind_property (options, "frame1-mode",
picker_tool->color_frame1, "mode",
G_BINDING_BIDIRECTIONAL |
G_BINDING_SYNC_CREATE);
gtk_box_pack_start (GTK_BOX (hbox), picker_tool->color_frame1,
FALSE, FALSE, 0);
gtk_widget_show (picker_tool->color_frame1);
picker_tool->color_frame2 = pika_color_frame_new (pika);
pika_color_frame_set_color_config (PIKA_COLOR_FRAME (picker_tool->color_frame2),
context->pika->config->color_management);
g_object_bind_property (options, "frame2-mode",
picker_tool->color_frame2, "mode",
G_BINDING_BIDIRECTIONAL |
G_BINDING_SYNC_CREATE);
gtk_box_pack_start (GTK_BOX (hbox), picker_tool->color_frame2,
FALSE, FALSE, 0);
gtk_widget_show (picker_tool->color_frame2);
frame = gtk_frame_new (NULL);
pika_widget_set_fully_opaque (frame, TRUE);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
pika_rgba_set (&color, 0.0, 0.0, 0.0, 0.0);
picker_tool->color_area =
pika_color_area_new (&color,
drawables && pika_drawable_has_alpha (drawables->data) ?
PIKA_COLOR_AREA_LARGE_CHECKS :
PIKA_COLOR_AREA_FLAT,
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK);
pika_color_area_set_color_config (PIKA_COLOR_AREA (picker_tool->color_area),
context->pika->config->color_management);
gtk_widget_set_size_request (picker_tool->color_area, 48, -1);
gtk_drag_dest_unset (picker_tool->color_area);
gtk_container_add (GTK_CONTAINER (frame), picker_tool->color_area);
gtk_widget_show (picker_tool->color_area);
g_list_free (drawables);
}
static void
pika_color_picker_tool_info_response (PikaToolGui *gui,
gint response_id,
PikaColorPickerTool *picker_tool)
{
PikaTool *tool = PIKA_TOOL (picker_tool);
pika_tool_control (tool, PIKA_TOOL_ACTION_HALT, NULL);
}
static void
pika_color_picker_tool_info_update (PikaColorPickerTool *picker_tool,
PikaDisplay *display,
gboolean sample_average,
const Babl *sample_format,
gpointer pixel,
const PikaRGB *color,
gint x,
gint y)
{
PikaTool *tool = PIKA_TOOL (picker_tool);
PikaImage *image = pika_display_get_image (display);
GList *drawables = pika_image_get_selected_drawables (image);
tool->display = display;
pika_tool_gui_set_shell (picker_tool->gui,
pika_display_get_shell (display));
pika_tool_gui_set_viewables (picker_tool->gui, drawables);
g_list_free (drawables);
pika_color_area_set_color (PIKA_COLOR_AREA (picker_tool->color_area),
color);
pika_color_frame_set_color (PIKA_COLOR_FRAME (picker_tool->color_frame1),
sample_average, sample_format, pixel, color,
x, y);
pika_color_frame_set_color (PIKA_COLOR_FRAME (picker_tool->color_frame2),
sample_average, sample_format, pixel, color,
x, y);
pika_tool_gui_show (picker_tool->gui);
}