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-rw-r--r--app/tools/gimpcolorpickertool.c455
1 files changed, 455 insertions, 0 deletions
diff --git a/app/tools/gimpcolorpickertool.c b/app/tools/gimpcolorpickertool.c
new file mode 100644
index 0000000..7e9b117
--- /dev/null
+++ b/app/tools/gimpcolorpickertool.c
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+/* GIMP - The GNU Image Manipulation Program
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpmath/gimpmath.h"
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "tools-types.h"
+
+#include "config/gimpcoreconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimpdrawable.h"
+#include "core/gimpimage.h"
+#include "core/gimptoolinfo.h"
+
+#include "widgets/gimpcolorframe.h"
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "display/gimpdisplay.h"
+#include "display/gimptoolgui.h"
+
+#include "gimpcolorpickeroptions.h"
+#include "gimpcolorpickertool.h"
+#include "gimptoolcontrol.h"
+
+#include "gimp-intl.h"
+
+
+/* local function prototypes */
+
+static void gimp_color_picker_tool_constructed (GObject *object);
+static void gimp_color_picker_tool_dispose (GObject *object);
+
+static void gimp_color_picker_tool_control (GimpTool *tool,
+ GimpToolAction action,
+ GimpDisplay *display);
+static void gimp_color_picker_tool_modifier_key (GimpTool *tool,
+ GdkModifierType key,
+ gboolean press,
+ GdkModifierType state,
+ GimpDisplay *display);
+static void gimp_color_picker_tool_oper_update (GimpTool *tool,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ gboolean proximity,
+ GimpDisplay *display);
+
+static void gimp_color_picker_tool_picked (GimpColorTool *color_tool,
+ const GimpCoords *coords,
+ GimpDisplay *display,
+ GimpColorPickState pick_state,
+ const Babl *sample_format,
+ gpointer pixel,
+ const GimpRGB *color);
+
+static void gimp_color_picker_tool_info_create (GimpColorPickerTool *picker_tool,
+ GimpDisplay *display);
+static void gimp_color_picker_tool_info_response (GimpToolGui *gui,
+ gint response_id,
+ GimpColorPickerTool *picker_tool);
+static void gimp_color_picker_tool_info_update (GimpColorPickerTool *picker_tool,
+ GimpDisplay *display,
+ gboolean sample_average,
+ const Babl *sample_format,
+ gpointer pixel,
+ const GimpRGB *color,
+ gint x,
+ gint y);
+
+
+G_DEFINE_TYPE (GimpColorPickerTool, gimp_color_picker_tool,
+ GIMP_TYPE_COLOR_TOOL)
+
+#define parent_class gimp_color_picker_tool_parent_class
+
+
+void
+gimp_color_picker_tool_register (GimpToolRegisterCallback callback,
+ gpointer data)
+{
+ (* callback) (GIMP_TYPE_COLOR_PICKER_TOOL,
+ GIMP_TYPE_COLOR_PICKER_OPTIONS,
+ gimp_color_picker_options_gui,
+ GIMP_CONTEXT_PROP_MASK_FOREGROUND |
+ GIMP_CONTEXT_PROP_MASK_BACKGROUND,
+ "gimp-color-picker-tool",
+ _("Color Picker"),
+ _("Color Picker Tool: Set colors from image pixels"),
+ N_("C_olor Picker"), "O",
+ NULL, GIMP_HELP_TOOL_COLOR_PICKER,
+ GIMP_ICON_TOOL_COLOR_PICKER,
+ data);
+}
+
+static void
+gimp_color_picker_tool_class_init (GimpColorPickerToolClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
+ GimpColorToolClass *color_tool_class = GIMP_COLOR_TOOL_CLASS (klass);
+
+ object_class->constructed = gimp_color_picker_tool_constructed;
+ object_class->dispose = gimp_color_picker_tool_dispose;
+
+ tool_class->control = gimp_color_picker_tool_control;
+ tool_class->modifier_key = gimp_color_picker_tool_modifier_key;
+ tool_class->oper_update = gimp_color_picker_tool_oper_update;
+
+ color_tool_class->picked = gimp_color_picker_tool_picked;
+}
+
+static void
+gimp_color_picker_tool_init (GimpColorPickerTool *picker_tool)
+{
+ GimpColorTool *color_tool = GIMP_COLOR_TOOL (picker_tool);
+
+ color_tool->pick_target = GIMP_COLOR_PICK_TARGET_FOREGROUND;
+}
+
+static void
+gimp_color_picker_tool_constructed (GObject *object)
+{
+ GimpTool *tool = GIMP_TOOL (object);
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ gimp_color_tool_enable (GIMP_COLOR_TOOL (object),
+ GIMP_COLOR_TOOL_GET_OPTIONS (tool));
+}
+
+static void
+gimp_color_picker_tool_dispose (GObject *object)
+{
+ GimpColorPickerTool *picker_tool = GIMP_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
+gimp_color_picker_tool_control (GimpTool *tool,
+ GimpToolAction action,
+ GimpDisplay *display)
+{
+ GimpColorPickerTool *picker_tool = GIMP_COLOR_PICKER_TOOL (tool);
+
+ switch (action)
+ {
+ case GIMP_TOOL_ACTION_PAUSE:
+ case GIMP_TOOL_ACTION_RESUME:
+ break;
+
+ case GIMP_TOOL_ACTION_HALT:
+ if (picker_tool->gui)
+ gimp_tool_gui_hide (picker_tool->gui);
+ break;
+
+ case GIMP_TOOL_ACTION_COMMIT:
+ break;
+ }
+
+ GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
+}
+
+static void
+gimp_color_picker_tool_modifier_key (GimpTool *tool,
+ GdkModifierType key,
+ gboolean press,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpColorPickerOptions *options = GIMP_COLOR_PICKER_TOOL_GET_OPTIONS (tool);
+
+ if (key == gimp_get_extend_selection_mask ())
+ {
+ g_object_set (options, "use-info-window", ! options->use_info_window,
+ NULL);
+ }
+ else if (key == gimp_get_toggle_behavior_mask ())
+ {
+ switch (options->pick_target)
+ {
+ case GIMP_COLOR_PICK_TARGET_FOREGROUND:
+ g_object_set (options,
+ "pick-target", GIMP_COLOR_PICK_TARGET_BACKGROUND,
+ NULL);
+ break;
+
+ case GIMP_COLOR_PICK_TARGET_BACKGROUND:
+ g_object_set (options,
+ "pick-target", GIMP_COLOR_PICK_TARGET_FOREGROUND,
+ NULL);
+ break;
+
+ default:
+ break;
+ }
+
+ }
+}
+
+static void
+gimp_color_picker_tool_oper_update (GimpTool *tool,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ gboolean proximity,
+ GimpDisplay *display)
+{
+ GimpColorPickerTool *picker_tool = GIMP_COLOR_PICKER_TOOL (tool);
+ GimpColorPickerOptions *options = GIMP_COLOR_PICKER_TOOL_GET_OPTIONS (tool);
+
+ GIMP_COLOR_TOOL (tool)->pick_target = options->pick_target;
+
+ gimp_tool_pop_status (tool, display);
+
+ if (proximity)
+ {
+ gchar *status_help = NULL;
+ GdkModifierType extend_mask = 0;
+ GdkModifierType toggle_mask;
+
+ if (! picker_tool->gui)
+ extend_mask = gimp_get_extend_selection_mask ();
+
+ toggle_mask = gimp_get_toggle_behavior_mask ();
+
+ switch (options->pick_target)
+ {
+ case GIMP_COLOR_PICK_TARGET_NONE:
+ status_help = gimp_suggest_modifiers (_("Click in any image to view"
+ " its color"),
+ extend_mask & ~state,
+ NULL, NULL, NULL);
+ break;
+
+ case GIMP_COLOR_PICK_TARGET_FOREGROUND:
+ status_help = gimp_suggest_modifiers (_("Click in any image to pick"
+ " the foreground color"),
+ (extend_mask | toggle_mask) &
+ ~state,
+ NULL, NULL, NULL);
+ break;
+
+ case GIMP_COLOR_PICK_TARGET_BACKGROUND:
+ status_help = gimp_suggest_modifiers (_("Click in any image to pick"
+ " the background color"),
+ (extend_mask | toggle_mask) &
+ ~state,
+ NULL, NULL, NULL);
+ break;
+
+ case GIMP_COLOR_PICK_TARGET_PALETTE:
+ status_help = gimp_suggest_modifiers (_("Click in any image to add"
+ " the color to the palette"),
+ extend_mask & ~state,
+ NULL, NULL, NULL);
+ break;
+ }
+
+ if (status_help != NULL)
+ {
+ gimp_tool_push_status (tool, display, "%s", status_help);
+ g_free (status_help);
+ }
+ }
+
+ GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
+ display);
+}
+
+static void
+gimp_color_picker_tool_picked (GimpColorTool *color_tool,
+ const GimpCoords *coords,
+ GimpDisplay *display,
+ GimpColorPickState pick_state,
+ const Babl *sample_format,
+ gpointer pixel,
+ const GimpRGB *color)
+{
+ GimpColorPickerTool *picker_tool = GIMP_COLOR_PICKER_TOOL (color_tool);
+ GimpColorPickerOptions *options;
+
+ options = GIMP_COLOR_PICKER_TOOL_GET_OPTIONS (color_tool);
+
+ if (options->use_info_window && ! picker_tool->gui)
+ gimp_color_picker_tool_info_create (picker_tool, display);
+
+ if (picker_tool->gui &&
+ (options->use_info_window ||
+ gimp_tool_gui_get_visible (picker_tool->gui)))
+ {
+ gimp_color_picker_tool_info_update (picker_tool, display,
+ GIMP_COLOR_OPTIONS (options)->sample_average,
+ sample_format, pixel, color,
+ (gint) floor (coords->x),
+ (gint) floor (coords->y));
+ }
+
+ GIMP_COLOR_TOOL_CLASS (parent_class)->picked (color_tool,
+ coords, display, pick_state,
+ sample_format, pixel, color);
+}
+
+static void
+gimp_color_picker_tool_info_create (GimpColorPickerTool *picker_tool,
+ GimpDisplay *display)
+{
+ GimpTool *tool = GIMP_TOOL (picker_tool);
+ GimpToolOptions *options = GIMP_TOOL_GET_OPTIONS (tool);
+ GimpContext *context = GIMP_CONTEXT (tool->tool_info->tool_options);
+ GimpDisplayShell *shell = gimp_display_get_shell (display);
+ GimpImage *image = gimp_display_get_image (display);
+ GimpDrawable *drawable = gimp_image_get_active_drawable (image);
+ GtkWidget *hbox;
+ GtkWidget *frame;
+ GimpRGB color;
+
+ picker_tool->gui = gimp_tool_gui_new (tool->tool_info,
+ NULL,
+ _("Color Picker Information"),
+ NULL, NULL,
+ gtk_widget_get_screen (GTK_WIDGET (shell)),
+ gimp_widget_get_monitor (GTK_WIDGET (shell)),
+ TRUE,
+
+ _("_Close"), GTK_RESPONSE_CLOSE,
+
+ NULL);
+
+ gimp_tool_gui_set_auto_overlay (picker_tool->gui, TRUE);
+ gimp_tool_gui_set_focus_on_map (picker_tool->gui, FALSE);
+ gimp_tool_gui_set_viewable (picker_tool->gui, GIMP_VIEWABLE (drawable));
+
+ g_signal_connect (picker_tool->gui, "response",
+ G_CALLBACK (gimp_color_picker_tool_info_response),
+ picker_tool);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ gtk_box_pack_start (GTK_BOX (gimp_tool_gui_get_vbox (picker_tool->gui)),
+ hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ picker_tool->color_frame1 = gimp_color_frame_new ();
+ gimp_color_frame_set_color_config (GIMP_COLOR_FRAME (picker_tool->color_frame1),
+ context->gimp->config->color_management);
+ gimp_color_frame_set_has_coords (GIMP_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 = gimp_color_frame_new ();
+ gimp_color_frame_set_color_config (GIMP_COLOR_FRAME (picker_tool->color_frame2),
+ context->gimp->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);
+ gimp_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);
+
+ gimp_rgba_set (&color, 0.0, 0.0, 0.0, 0.0);
+ picker_tool->color_area =
+ gimp_color_area_new (&color,
+ gimp_drawable_has_alpha (drawable) ?
+ GIMP_COLOR_AREA_LARGE_CHECKS :
+ GIMP_COLOR_AREA_FLAT,
+ GDK_BUTTON1_MASK | GDK_BUTTON2_MASK);
+ gimp_color_area_set_color_config (GIMP_COLOR_AREA (picker_tool->color_area),
+ context->gimp->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);
+}
+
+static void
+gimp_color_picker_tool_info_response (GimpToolGui *gui,
+ gint response_id,
+ GimpColorPickerTool *picker_tool)
+{
+ GimpTool *tool = GIMP_TOOL (picker_tool);
+
+ gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, NULL);
+}
+
+static void
+gimp_color_picker_tool_info_update (GimpColorPickerTool *picker_tool,
+ GimpDisplay *display,
+ gboolean sample_average,
+ const Babl *sample_format,
+ gpointer pixel,
+ const GimpRGB *color,
+ gint x,
+ gint y)
+{
+ GimpTool *tool = GIMP_TOOL (picker_tool);
+ GimpImage *image = gimp_display_get_image (display);
+ GimpDrawable *drawable = gimp_image_get_active_drawable (image);
+
+ tool->display = display;
+
+ gimp_tool_gui_set_shell (picker_tool->gui,
+ gimp_display_get_shell (display));
+ gimp_tool_gui_set_viewable (picker_tool->gui,
+ GIMP_VIEWABLE (drawable));
+
+ gimp_color_area_set_color (GIMP_COLOR_AREA (picker_tool->color_area),
+ color);
+
+ gimp_color_frame_set_color (GIMP_COLOR_FRAME (picker_tool->color_frame1),
+ sample_average, sample_format, pixel, color,
+ x, y);
+ gimp_color_frame_set_color (GIMP_COLOR_FRAME (picker_tool->color_frame2),
+ sample_average, sample_format, pixel, color,
+ x, y);
+
+ gimp_tool_gui_show (picker_tool->gui);
+}
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