462 lines
18 KiB
C
462 lines
18 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikamath/pikamath.h"
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#include "libpikacolor/pikacolor.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "tools-types.h"
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#include "config/pikacoreconfig.h"
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#include "core/pika.h"
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#include "core/pikadrawable.h"
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#include "core/pikaimage.h"
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#include "core/pikatoolinfo.h"
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#include "widgets/pikacolorframe.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikawidgets-utils.h"
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#include "display/pikadisplay.h"
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#include "display/pikatoolgui.h"
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#include "pikacolorpickeroptions.h"
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#include "pikacolorpickertool.h"
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#include "pikatoolcontrol.h"
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#include "pika-intl.h"
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/* local function prototypes */
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static void pika_color_picker_tool_constructed (GObject *object);
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static void pika_color_picker_tool_dispose (GObject *object);
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static void pika_color_picker_tool_control (PikaTool *tool,
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PikaToolAction action,
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PikaDisplay *display);
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static void pika_color_picker_tool_modifier_key (PikaTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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PikaDisplay *display);
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static void pika_color_picker_tool_oper_update (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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PikaDisplay *display);
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static void pika_color_picker_tool_picked (PikaColorTool *color_tool,
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const PikaCoords *coords,
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PikaDisplay *display,
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PikaColorPickState pick_state,
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const Babl *sample_format,
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gpointer pixel,
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const PikaRGB *color);
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static void pika_color_picker_tool_info_create (PikaColorPickerTool *picker_tool,
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PikaDisplay *display);
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static void pika_color_picker_tool_info_response (PikaToolGui *gui,
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gint response_id,
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PikaColorPickerTool *picker_tool);
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static void pika_color_picker_tool_info_update (PikaColorPickerTool *picker_tool,
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PikaDisplay *display,
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gboolean sample_average,
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const Babl *sample_format,
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gpointer pixel,
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const PikaRGB *color,
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gint x,
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gint y);
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G_DEFINE_TYPE (PikaColorPickerTool, pika_color_picker_tool,
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PIKA_TYPE_COLOR_TOOL)
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#define parent_class pika_color_picker_tool_parent_class
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void
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pika_color_picker_tool_register (PikaToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (PIKA_TYPE_COLOR_PICKER_TOOL,
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PIKA_TYPE_COLOR_PICKER_OPTIONS,
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pika_color_picker_options_gui,
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PIKA_CONTEXT_PROP_MASK_FOREGROUND |
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PIKA_CONTEXT_PROP_MASK_BACKGROUND,
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"pika-color-picker-tool",
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_("Color Picker"),
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_("Color Picker Tool: Set colors from image pixels"),
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N_("C_olor Picker"), "O",
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NULL, PIKA_HELP_TOOL_COLOR_PICKER,
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PIKA_ICON_TOOL_COLOR_PICKER,
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data);
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}
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static void
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pika_color_picker_tool_class_init (PikaColorPickerToolClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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PikaToolClass *tool_class = PIKA_TOOL_CLASS (klass);
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PikaColorToolClass *color_tool_class = PIKA_COLOR_TOOL_CLASS (klass);
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object_class->constructed = pika_color_picker_tool_constructed;
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object_class->dispose = pika_color_picker_tool_dispose;
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tool_class->control = pika_color_picker_tool_control;
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tool_class->modifier_key = pika_color_picker_tool_modifier_key;
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tool_class->oper_update = pika_color_picker_tool_oper_update;
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color_tool_class->picked = pika_color_picker_tool_picked;
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}
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static void
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pika_color_picker_tool_init (PikaColorPickerTool *picker_tool)
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{
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PikaColorTool *color_tool = PIKA_COLOR_TOOL (picker_tool);
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color_tool->pick_target = PIKA_COLOR_PICK_TARGET_FOREGROUND;
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}
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static void
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pika_color_picker_tool_constructed (GObject *object)
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{
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PikaTool *tool = PIKA_TOOL (object);
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G_OBJECT_CLASS (parent_class)->constructed (object);
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pika_color_tool_enable (PIKA_COLOR_TOOL (object),
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PIKA_COLOR_TOOL_GET_OPTIONS (tool));
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}
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static void
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pika_color_picker_tool_dispose (GObject *object)
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{
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PikaColorPickerTool *picker_tool = PIKA_COLOR_PICKER_TOOL (object);
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g_clear_object (&picker_tool->gui);
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picker_tool->color_area = NULL;
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picker_tool->color_frame1 = NULL;
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picker_tool->color_frame2 = NULL;
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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pika_color_picker_tool_control (PikaTool *tool,
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PikaToolAction action,
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PikaDisplay *display)
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{
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PikaColorPickerTool *picker_tool = PIKA_COLOR_PICKER_TOOL (tool);
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switch (action)
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{
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case PIKA_TOOL_ACTION_PAUSE:
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case PIKA_TOOL_ACTION_RESUME:
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break;
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case PIKA_TOOL_ACTION_HALT:
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if (picker_tool->gui)
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pika_tool_gui_hide (picker_tool->gui);
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break;
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case PIKA_TOOL_ACTION_COMMIT:
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break;
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}
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PIKA_TOOL_CLASS (parent_class)->control (tool, action, display);
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}
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static void
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pika_color_picker_tool_modifier_key (PikaTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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PikaDisplay *display)
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{
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PikaColorPickerOptions *options = PIKA_COLOR_PICKER_TOOL_GET_OPTIONS (tool);
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if (key == pika_get_extend_selection_mask ())
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{
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g_object_set (options, "use-info-window", ! options->use_info_window,
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NULL);
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}
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else if (key == pika_get_toggle_behavior_mask ())
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{
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switch (options->pick_target)
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{
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case PIKA_COLOR_PICK_TARGET_FOREGROUND:
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g_object_set (options,
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"pick-target", PIKA_COLOR_PICK_TARGET_BACKGROUND,
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NULL);
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break;
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case PIKA_COLOR_PICK_TARGET_BACKGROUND:
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g_object_set (options,
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"pick-target", PIKA_COLOR_PICK_TARGET_FOREGROUND,
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NULL);
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break;
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default:
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break;
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}
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}
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}
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static void
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pika_color_picker_tool_oper_update (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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PikaDisplay *display)
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{
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PikaColorPickerTool *picker_tool = PIKA_COLOR_PICKER_TOOL (tool);
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PikaColorPickerOptions *options = PIKA_COLOR_PICKER_TOOL_GET_OPTIONS (tool);
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PIKA_COLOR_TOOL (tool)->pick_target = options->pick_target;
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pika_tool_pop_status (tool, display);
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if (proximity)
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{
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gchar *status_help = NULL;
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GdkModifierType extend_mask = 0;
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GdkModifierType toggle_mask;
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if (! picker_tool->gui)
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extend_mask = pika_get_extend_selection_mask ();
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toggle_mask = pika_get_toggle_behavior_mask ();
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switch (options->pick_target)
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{
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case PIKA_COLOR_PICK_TARGET_NONE:
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status_help = pika_suggest_modifiers (_("Click in any image to view"
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" its color"),
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extend_mask & ~state,
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NULL, NULL, NULL);
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break;
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case PIKA_COLOR_PICK_TARGET_FOREGROUND:
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status_help = pika_suggest_modifiers (_("Click in any image to pick"
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" the foreground color"),
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(extend_mask | toggle_mask) &
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~state,
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NULL, NULL, NULL);
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break;
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case PIKA_COLOR_PICK_TARGET_BACKGROUND:
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status_help = pika_suggest_modifiers (_("Click in any image to pick"
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" the background color"),
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(extend_mask | toggle_mask) &
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~state,
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NULL, NULL, NULL);
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break;
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case PIKA_COLOR_PICK_TARGET_PALETTE:
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status_help = pika_suggest_modifiers (_("Click in any image to add"
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" the color to the palette"),
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extend_mask & ~state,
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NULL, NULL, NULL);
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break;
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}
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if (status_help != NULL)
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{
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pika_tool_push_status (tool, display, "%s", status_help);
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g_free (status_help);
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}
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}
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PIKA_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
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display);
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}
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static void
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pika_color_picker_tool_picked (PikaColorTool *color_tool,
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const PikaCoords *coords,
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PikaDisplay *display,
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PikaColorPickState pick_state,
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const Babl *sample_format,
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gpointer pixel,
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const PikaRGB *color)
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{
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PikaColorPickerTool *picker_tool = PIKA_COLOR_PICKER_TOOL (color_tool);
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PikaColorPickerOptions *options;
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options = PIKA_COLOR_PICKER_TOOL_GET_OPTIONS (color_tool);
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if (options->use_info_window && ! picker_tool->gui)
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pika_color_picker_tool_info_create (picker_tool, display);
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if (picker_tool->gui &&
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(options->use_info_window ||
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pika_tool_gui_get_visible (picker_tool->gui)))
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{
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pika_color_picker_tool_info_update (picker_tool, display,
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PIKA_COLOR_OPTIONS (options)->sample_average,
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sample_format, pixel, color,
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(gint) floor (coords->x),
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(gint) floor (coords->y));
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}
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PIKA_COLOR_TOOL_CLASS (parent_class)->picked (color_tool,
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coords, display, pick_state,
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sample_format, pixel, color);
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}
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static void
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pika_color_picker_tool_info_create (PikaColorPickerTool *picker_tool,
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PikaDisplay *display)
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{
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Pika *pika = pika_display_get_pika (display);
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PikaTool *tool = PIKA_TOOL (picker_tool);
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PikaToolOptions *options = PIKA_TOOL_GET_OPTIONS (tool);
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PikaContext *context = PIKA_CONTEXT (tool->tool_info->tool_options);
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PikaDisplayShell *shell = pika_display_get_shell (display);
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PikaImage *image = pika_display_get_image (display);
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GList *drawables = pika_image_get_selected_drawables (image);
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GtkWidget *hbox;
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GtkWidget *frame;
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PikaRGB color;
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picker_tool->gui = pika_tool_gui_new (tool->tool_info,
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NULL,
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_("Color Picker Information"),
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NULL, NULL,
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pika_widget_get_monitor (GTK_WIDGET (shell)),
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TRUE,
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_("_Close"), GTK_RESPONSE_CLOSE,
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NULL);
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pika_tool_gui_set_auto_overlay (picker_tool->gui, TRUE);
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pika_tool_gui_set_focus_on_map (picker_tool->gui, FALSE);
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pika_tool_gui_set_viewables (picker_tool->gui, drawables);
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g_signal_connect (picker_tool->gui, "response",
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G_CALLBACK (pika_color_picker_tool_info_response),
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picker_tool);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_box_pack_start (GTK_BOX (pika_tool_gui_get_vbox (picker_tool->gui)),
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hbox, FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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picker_tool->color_frame1 = pika_color_frame_new (pika);
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pika_color_frame_set_color_config (PIKA_COLOR_FRAME (picker_tool->color_frame1),
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context->pika->config->color_management);
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pika_color_frame_set_has_coords (PIKA_COLOR_FRAME (picker_tool->color_frame1),
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TRUE);
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g_object_bind_property (options, "frame1-mode",
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picker_tool->color_frame1, "mode",
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G_BINDING_BIDIRECTIONAL |
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G_BINDING_SYNC_CREATE);
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gtk_box_pack_start (GTK_BOX (hbox), picker_tool->color_frame1,
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FALSE, FALSE, 0);
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gtk_widget_show (picker_tool->color_frame1);
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picker_tool->color_frame2 = pika_color_frame_new (pika);
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pika_color_frame_set_color_config (PIKA_COLOR_FRAME (picker_tool->color_frame2),
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context->pika->config->color_management);
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g_object_bind_property (options, "frame2-mode",
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picker_tool->color_frame2, "mode",
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G_BINDING_BIDIRECTIONAL |
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G_BINDING_SYNC_CREATE);
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gtk_box_pack_start (GTK_BOX (hbox), picker_tool->color_frame2,
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FALSE, FALSE, 0);
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gtk_widget_show (picker_tool->color_frame2);
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frame = gtk_frame_new (NULL);
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pika_widget_set_fully_opaque (frame, TRUE);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
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gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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pika_rgba_set (&color, 0.0, 0.0, 0.0, 0.0);
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picker_tool->color_area =
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pika_color_area_new (&color,
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drawables && pika_drawable_has_alpha (drawables->data) ?
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PIKA_COLOR_AREA_LARGE_CHECKS :
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PIKA_COLOR_AREA_FLAT,
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GDK_BUTTON1_MASK | GDK_BUTTON2_MASK);
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pika_color_area_set_color_config (PIKA_COLOR_AREA (picker_tool->color_area),
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context->pika->config->color_management);
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gtk_widget_set_size_request (picker_tool->color_area, 48, -1);
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gtk_drag_dest_unset (picker_tool->color_area);
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gtk_container_add (GTK_CONTAINER (frame), picker_tool->color_area);
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gtk_widget_show (picker_tool->color_area);
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g_list_free (drawables);
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}
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static void
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pika_color_picker_tool_info_response (PikaToolGui *gui,
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gint response_id,
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PikaColorPickerTool *picker_tool)
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{
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PikaTool *tool = PIKA_TOOL (picker_tool);
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pika_tool_control (tool, PIKA_TOOL_ACTION_HALT, NULL);
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}
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static void
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pika_color_picker_tool_info_update (PikaColorPickerTool *picker_tool,
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PikaDisplay *display,
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gboolean sample_average,
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const Babl *sample_format,
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gpointer pixel,
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const PikaRGB *color,
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gint x,
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gint y)
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{
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PikaTool *tool = PIKA_TOOL (picker_tool);
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PikaImage *image = pika_display_get_image (display);
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GList *drawables = pika_image_get_selected_drawables (image);
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tool->display = display;
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pika_tool_gui_set_shell (picker_tool->gui,
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pika_display_get_shell (display));
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pika_tool_gui_set_viewables (picker_tool->gui, drawables);
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g_list_free (drawables);
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pika_color_area_set_color (PIKA_COLOR_AREA (picker_tool->color_area),
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color);
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pika_color_frame_set_color (PIKA_COLOR_FRAME (picker_tool->color_frame1),
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sample_average, sample_format, pixel, color,
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x, y);
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pika_color_frame_set_color (PIKA_COLOR_FRAME (picker_tool->color_frame2),
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sample_average, sample_format, pixel, color,
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x, y);
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pika_tool_gui_show (picker_tool->gui);
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}
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