mirror of https://github.com/GNOME/gimp.git
761 lines
23 KiB
C
761 lines
23 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "appenv.h"
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#include "color_panel.h"
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#include "color_picker.h"
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#include "draw_core.h"
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#include "drawable.h"
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#include "gdisplay.h"
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#include "gimpui.h"
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#include "cursorutil.h"
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#include "info_dialog.h"
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#include "palette.h"
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#include "tools.h"
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#include "gimprc.h"
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#include "config.h"
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#include "libgimp/gimpintl.h"
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/* maximum information buffer size */
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#define MAX_INFO_BUF 8
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/* the color picker structures */
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typedef struct _ColorPickerOptions ColorPickerOptions;
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struct _ColorPickerOptions
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{
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ToolOptions tool_options;
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gboolean sample_merged;
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gboolean sample_merged_d;
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GtkWidget *sample_merged_w;
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gboolean sample_average;
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gboolean sample_average_d;
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GtkWidget *sample_average_w;
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gdouble average_radius;
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gdouble average_radius_d;
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GtkObject *average_radius_w;
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gboolean update_active;
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gboolean update_active_d;
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GtkWidget *update_active_w;
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};
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typedef struct _ColorPickerTool ColorPickerTool;
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struct _ColorPickerTool
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{
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DrawCore *core; /* Core select object */
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gint centerx; /* starting x coord */
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gint centery; /* starting y coord */
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};
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/* the color picker tool options */
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static ColorPickerOptions * color_picker_options = NULL;
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/* the color value */
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gint col_value[5] = { 0, 0, 0, 0, 0 };
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/* the color picker dialog */
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static gint update_type;
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static GimpImageType sample_type;
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static InfoDialog *color_picker_info = NULL;
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static ColorPanel *color_panel = NULL;
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static gchar red_buf [MAX_INFO_BUF];
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static gchar green_buf [MAX_INFO_BUF];
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static gchar blue_buf [MAX_INFO_BUF];
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static gchar alpha_buf [MAX_INFO_BUF];
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static gchar index_buf [MAX_INFO_BUF];
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static gchar gray_buf [MAX_INFO_BUF];
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static gchar hex_buf [MAX_INFO_BUF];
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/* local function prototypes */
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static void color_picker_button_press (Tool *, GdkEventButton *, gpointer);
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static void color_picker_button_release (Tool *, GdkEventButton *, gpointer);
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static void color_picker_motion (Tool *, GdkEventMotion *, gpointer);
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static void color_picker_cursor_update (Tool *, GdkEventMotion *, gpointer);
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static void color_picker_control (Tool *, ToolAction, gpointer);
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static void color_picker_info_window_close_callback (GtkWidget *, gpointer);
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static void color_picker_info_update (Tool *, gboolean);
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static gboolean pick_color_do (GimpImage *gimage,
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GimpDrawable *drawable,
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gint x,
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gint y,
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gboolean sample_merged,
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gboolean sample_average,
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gdouble average_radius,
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gboolean update_active,
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gint final);
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/* functions */
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static void
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color_picker_options_reset (void)
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{
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ColorPickerOptions *options = color_picker_options;
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->sample_merged_w),
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options->sample_merged_d);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->sample_average_w),
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options->sample_average_d);
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gtk_adjustment_set_value (GTK_ADJUSTMENT (options->average_radius_w),
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options->average_radius_d);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->update_active_w),
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options->update_active_d);
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}
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static ColorPickerOptions *
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color_picker_options_new (void)
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{
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ColorPickerOptions *options;
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GtkWidget *vbox;
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GtkWidget *abox;
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GtkWidget *table;
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GtkWidget *label;
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GtkWidget *scale;
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/* the new color picker tool options structure */
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options = g_new (ColorPickerOptions, 1);
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tool_options_init ((ToolOptions *) options,
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_("Color Picker"),
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color_picker_options_reset);
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options->sample_merged = options->sample_merged_d = FALSE;
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options->sample_average = options->sample_average_d = FALSE;
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options->average_radius = options->average_radius_d = 1.0;
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options->update_active = options->update_active_d = TRUE;
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/* the main vbox */
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vbox = options->tool_options.main_vbox;
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/* the sample merged toggle button */
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options->sample_merged_w =
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gtk_check_button_new_with_label (_("Sample Merged"));
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->sample_merged_w),
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options->sample_merged_d);
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gtk_box_pack_start (GTK_BOX (vbox), options->sample_merged_w, FALSE, FALSE, 0);
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gtk_signal_connect (GTK_OBJECT (options->sample_merged_w), "toggled",
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GTK_SIGNAL_FUNC (gimp_toggle_button_update),
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&options->sample_merged);
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gtk_widget_show (options->sample_merged_w);
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/* the sample average options */
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table = gtk_table_new (2, 2, FALSE);
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gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
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gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
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options->sample_average_w =
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gtk_check_button_new_with_label (_("Sample Average"));
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gtk_table_attach (GTK_TABLE (table), options->sample_average_w, 0, 1, 0, 1,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->sample_average_w),
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options->sample_average_d);
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gtk_signal_connect (GTK_OBJECT (options->sample_average_w), "toggled",
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GTK_SIGNAL_FUNC (gimp_toggle_button_update),
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&options->sample_average);
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gtk_widget_show (options->sample_average_w);
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label = gtk_label_new (_("Radius:"));
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gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
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gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
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GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (label);
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/* the feather radius scale */
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abox = gtk_alignment_new (0.5, 1.0, 1.0, 0.0);
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gtk_table_attach (GTK_TABLE (table), abox, 1, 2, 0, 2,
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GTK_EXPAND | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
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gtk_widget_show (abox);
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options->average_radius_w =
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gtk_adjustment_new (options->average_radius_d, 1.0, 15.0, 2.0, 2.0, 0.0);
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scale = gtk_hscale_new (GTK_ADJUSTMENT (options->average_radius_w));
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gtk_scale_set_digits (GTK_SCALE (scale), 0);
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gtk_container_add (GTK_CONTAINER (abox), scale);
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gtk_widget_set_sensitive (scale, options->sample_average_d);
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gtk_object_set_data (GTK_OBJECT (options->sample_average_w), "set_sensitive",
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scale);
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gtk_widget_set_sensitive (label, options->sample_average_d);
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gtk_object_set_data (GTK_OBJECT (scale), "set_sensitive",
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label);
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gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
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gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
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gtk_signal_connect (GTK_OBJECT (options->average_radius_w), "value_changed",
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GTK_SIGNAL_FUNC (gimp_double_adjustment_update),
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&options->average_radius);
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gtk_widget_show (scale);
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gtk_widget_show (table);
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/* the update active color toggle button */
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options->update_active_w =
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gtk_check_button_new_with_label (_("Update Active Color"));
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->update_active_w),
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options->update_active_d);
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gtk_box_pack_start (GTK_BOX (vbox), options->update_active_w, FALSE, FALSE, 0);
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gtk_signal_connect (GTK_OBJECT (options->update_active_w), "toggled",
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GTK_SIGNAL_FUNC (gimp_toggle_button_update),
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&options->update_active);
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gtk_widget_show (options->update_active_w);
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return options;
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}
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static void
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color_picker_button_press (Tool *tool,
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GdkEventButton *bevent,
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gpointer gdisp_ptr)
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{
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GDisplay * gdisp;
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ColorPickerTool *cp_tool;
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gint x, y;
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gdisp = (GDisplay *) gdisp_ptr;
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cp_tool = (ColorPickerTool *) tool->private;
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/* Make the tool active and set it's gdisplay & drawable */
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tool->gdisp_ptr = gdisp;
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tool->drawable = gimage_active_drawable (gdisp->gimage);
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tool->state = ACTIVE;
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/* create the info dialog if it doesn't exist */
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if (! color_picker_info)
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{
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GtkWidget *hbox;
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color_picker_info = info_dialog_new (_("Color Picker"),
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tools_help_func, NULL);
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/* if the gdisplay is for a color image, the dialog must have RGB */
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switch (drawable_type (tool->drawable))
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{
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case RGB_GIMAGE: case RGBA_GIMAGE:
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info_dialog_add_label (color_picker_info, _("Red:"), red_buf);
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info_dialog_add_label (color_picker_info, _("Green:"), green_buf);
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info_dialog_add_label (color_picker_info, _("Blue:"), blue_buf);
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info_dialog_add_label (color_picker_info, _("Alpha:"), alpha_buf);
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info_dialog_add_label (color_picker_info, _("Hex Triplet:"), hex_buf);
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break;
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case INDEXED_GIMAGE: case INDEXEDA_GIMAGE:
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info_dialog_add_label (color_picker_info, _("Index:"), index_buf);
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info_dialog_add_label (color_picker_info, _("Alpha:"), alpha_buf);
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info_dialog_add_label (color_picker_info, _("Red:"), red_buf);
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info_dialog_add_label (color_picker_info, _("Green:"), green_buf);
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info_dialog_add_label (color_picker_info, _("Blue:"), blue_buf);
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info_dialog_add_label (color_picker_info, _("Hex Triplet"), hex_buf);
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break;
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case GRAY_GIMAGE: case GRAYA_GIMAGE:
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info_dialog_add_label (color_picker_info, _("Intensity:"), gray_buf);
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info_dialog_add_label (color_picker_info, _("Alpha:"), alpha_buf);
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info_dialog_add_label (color_picker_info, _("Hex Triplet:"), hex_buf);
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break;
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default :
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break;
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}
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hbox = gtk_hbox_new (FALSE, 4);
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gtk_box_pack_start (GTK_BOX (color_picker_info->vbox), hbox,
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FALSE, FALSE, 0);
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gtk_widget_show (hbox);
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gtk_widget_reparent (color_picker_info->info_table, hbox);
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color_panel = color_panel_new (NULL, 48, 64);
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gtk_box_pack_start (GTK_BOX (hbox), color_panel->color_panel_widget,
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FALSE, FALSE, 0);
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gtk_widget_show (color_panel->color_panel_widget);
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/* create the action area */
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gimp_dialog_create_action_area
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(GTK_DIALOG (color_picker_info->shell),
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_("Close"), color_picker_info_window_close_callback,
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color_picker_info, NULL, NULL, TRUE, FALSE,
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NULL);
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}
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/* Keep the coordinates of the target */
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gdisplay_untransform_coords (gdisp, bevent->x, bevent->y,
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&cp_tool->centerx, &cp_tool->centery, FALSE, 1);
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gdk_pointer_grab (gdisp->canvas->window, FALSE,
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(GDK_POINTER_MOTION_HINT_MASK |
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GDK_BUTTON1_MOTION_MASK |
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GDK_BUTTON_RELEASE_MASK),
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NULL, NULL, bevent->time);
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/* First, transform the coordinates to gimp image space */
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gdisplay_untransform_coords (gdisp, bevent->x, bevent->y, &x, &y,
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FALSE, FALSE);
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/* if the shift key is down, create a new color.
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* otherwise, modify the current color.
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*/
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if (bevent->state & GDK_SHIFT_MASK)
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{
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color_picker_info_update
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(tool, pick_color_do (gdisp->gimage, tool->drawable, x, y,
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color_picker_options->sample_merged,
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color_picker_options->sample_average,
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color_picker_options->average_radius,
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color_picker_options->update_active,
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COLOR_NEW));
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update_type = COLOR_UPDATE_NEW;
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}
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else
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{
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color_picker_info_update
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(tool, pick_color_do (gdisp->gimage, tool->drawable, x, y,
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color_picker_options->sample_merged,
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color_picker_options->sample_average,
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color_picker_options->average_radius,
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color_picker_options->update_active,
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COLOR_UPDATE));
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update_type = COLOR_UPDATE;
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}
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/* Start drawing the colorpicker tool */
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draw_core_start (cp_tool->core, gdisp->canvas->window, tool);
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}
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static void
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color_picker_button_release (Tool *tool,
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GdkEventButton *bevent,
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gpointer gdisp_ptr)
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{
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GDisplay *gdisp;
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ColorPickerTool *cp_tool;
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gint x, y;
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gdk_pointer_ungrab (bevent->time);
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gdk_flush ();
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gdisp = (GDisplay *) gdisp_ptr;
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cp_tool = (ColorPickerTool *) tool->private;
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/* First, transform the coordinates to gimp image space */
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gdisplay_untransform_coords (gdisp, bevent->x, bevent->y, &x, &y,
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FALSE, FALSE);
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color_picker_info_update
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(tool, pick_color_do (gdisp->gimage, tool->drawable, x, y,
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color_picker_options->sample_merged,
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color_picker_options->sample_average,
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color_picker_options->average_radius,
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color_picker_options->update_active,
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update_type));
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draw_core_stop (cp_tool->core, tool);
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tool->state = INACTIVE;
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}
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static void
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color_picker_motion (Tool *tool,
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GdkEventMotion *mevent,
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gpointer gdisp_ptr)
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{
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GDisplay *gdisp;
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ColorPickerTool *cp_tool;
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gint x, y;
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gdisp = (GDisplay *) gdisp_ptr;
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cp_tool = (ColorPickerTool *) tool->private;
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/* undraw the current tool */
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draw_core_pause (cp_tool->core, tool);
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/* First, transform the coordinates to gimp image space */
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gdisplay_untransform_coords (gdisp, mevent->x, mevent->y, &x, &y,
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FALSE, FALSE);
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gdisplay_untransform_coords (gdisp, mevent->x, mevent->y,
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&cp_tool->centerx, &cp_tool->centery,
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FALSE, TRUE);
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color_picker_info_update
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(tool, pick_color_do (gdisp->gimage, tool->drawable, x, y,
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color_picker_options->sample_merged,
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color_picker_options->sample_average,
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color_picker_options->average_radius,
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color_picker_options->update_active,
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update_type));
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/* redraw the current tool */
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draw_core_resume (cp_tool->core, tool);
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}
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static void
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color_picker_cursor_update (Tool *tool,
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GdkEventMotion *mevent,
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gpointer gdisp_ptr)
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{
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GDisplay *gdisp;
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gint x, y;
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gdisp = (GDisplay *) gdisp_ptr;
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gdisplay_untransform_coords (gdisp, mevent->x, mevent->y, &x, &y,
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FALSE, FALSE);
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if (gimage_pick_correlate_layer (gdisp->gimage, x, y))
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gdisplay_install_tool_cursor (gdisp, GIMP_COLOR_PICKER_CURSOR);
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else
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gdisplay_install_tool_cursor (gdisp, GDK_TOP_LEFT_ARROW);
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}
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static void
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color_picker_control (Tool *tool,
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ToolAction action,
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gpointer gdisp_ptr)
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{
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ColorPickerTool * cp_tool;
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cp_tool = (ColorPickerTool *) tool->private;
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switch (action)
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{
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case PAUSE :
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draw_core_pause (cp_tool->core, tool);
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break;
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case RESUME :
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draw_core_resume (cp_tool->core, tool);
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break;
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case HALT :
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draw_core_stop (cp_tool->core, tool);
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info_dialog_popdown (color_picker_info);
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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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typedef guchar * (*GetColorFunc) (GtkObject *, int, int);
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static gboolean
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pick_color_do (GimpImage *gimage,
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GimpDrawable *drawable,
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gint x,
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gint y,
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gboolean sample_merged,
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gboolean sample_average,
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gdouble average_radius,
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gboolean update_active,
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gint final)
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{
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guchar *color;
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gint offx, offy;
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gint has_alpha;
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gint is_indexed;
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GetColorFunc get_color_func;
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GtkObject *get_color_obj;
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if (!drawable && !sample_merged)
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return FALSE;
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if (!sample_merged)
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{
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drawable_offsets (drawable, &offx, &offy);
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x -= offx;
|
|
y -= offy;
|
|
|
|
sample_type = gimp_drawable_type (drawable);
|
|
is_indexed = gimp_drawable_is_indexed (drawable);
|
|
|
|
get_color_func = (GetColorFunc) gimp_drawable_get_color_at;
|
|
get_color_obj = GTK_OBJECT (drawable);
|
|
}
|
|
else
|
|
{
|
|
sample_type = gimp_image_composite_type (gimage);
|
|
is_indexed = FALSE;
|
|
|
|
get_color_func = (GetColorFunc) gimp_image_get_color_at;
|
|
get_color_obj = GTK_OBJECT (gimage);
|
|
}
|
|
|
|
has_alpha = TYPE_HAS_ALPHA (sample_type);
|
|
|
|
if (!(color = (*get_color_func) (get_color_obj, x, y)))
|
|
return FALSE;
|
|
|
|
if (sample_average)
|
|
{
|
|
gint i, j;
|
|
gint count = 0;
|
|
gint color_avg[4] = { 0, 0, 0, 0 };
|
|
guchar *tmp_color;
|
|
gint radius = (gint) average_radius;
|
|
|
|
for (i = x - radius; i <= x + radius; i++)
|
|
for (j = y - radius; j <= y + radius; j++)
|
|
if ((tmp_color = (*get_color_func) (get_color_obj, i, j)))
|
|
{
|
|
count++;
|
|
|
|
color_avg[RED_PIX] += tmp_color[RED_PIX];
|
|
color_avg[GREEN_PIX] += tmp_color[GREEN_PIX];
|
|
color_avg[BLUE_PIX] += tmp_color[BLUE_PIX];
|
|
if (has_alpha)
|
|
color_avg[ALPHA_PIX] += tmp_color[3];
|
|
|
|
g_free (tmp_color);
|
|
}
|
|
|
|
color[RED_PIX] = (guchar) (color_avg[RED_PIX] / count);
|
|
color[GREEN_PIX] = (guchar) (color_avg[GREEN_PIX] / count);
|
|
color[BLUE_PIX] = (guchar) (color_avg[BLUE_PIX] / count);
|
|
if (has_alpha)
|
|
color[ALPHA_PIX] = (guchar) (color_avg[3] / count);
|
|
|
|
is_indexed = FALSE;
|
|
}
|
|
|
|
col_value[RED_PIX] = color[RED_PIX];
|
|
col_value[GREEN_PIX] = color[GREEN_PIX];
|
|
col_value[BLUE_PIX] = color[BLUE_PIX];
|
|
if (has_alpha)
|
|
col_value[ALPHA_PIX] = color[3];
|
|
if (is_indexed)
|
|
col_value[4] = color[4];
|
|
|
|
if (update_active)
|
|
palette_set_active_color (col_value [RED_PIX],
|
|
col_value [GREEN_PIX],
|
|
col_value [BLUE_PIX],
|
|
final);
|
|
|
|
g_free (color);
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
pick_color (GimpImage *gimage,
|
|
GimpDrawable *drawable,
|
|
gint x,
|
|
gint y,
|
|
gboolean sample_merged,
|
|
gboolean sample_average,
|
|
gdouble average_radius,
|
|
gint final)
|
|
{
|
|
return pick_color_do (gimage, drawable,
|
|
x, y,
|
|
sample_merged,
|
|
sample_average,
|
|
average_radius,
|
|
TRUE,
|
|
final);
|
|
}
|
|
|
|
static void
|
|
colorpicker_draw (Tool *tool)
|
|
{
|
|
GDisplay * gdisp;
|
|
ColorPickerTool * cp_tool;
|
|
gint tx, ty;
|
|
gint radiusx, radiusy;
|
|
gint cx, cy;
|
|
|
|
if (! color_picker_options->sample_average)
|
|
return;
|
|
|
|
gdisp = (GDisplay *) tool->gdisp_ptr;
|
|
cp_tool = (ColorPickerTool *) tool->private;
|
|
|
|
gdisplay_transform_coords (gdisp, cp_tool->centerx, cp_tool->centery,
|
|
&tx, &ty, TRUE);
|
|
|
|
radiusx = SCALEX (gdisp, color_picker_options->average_radius);
|
|
radiusy = SCALEY (gdisp, color_picker_options->average_radius);
|
|
cx = SCALEX (gdisp, 1);
|
|
cy = SCALEY (gdisp, 1);
|
|
|
|
/* Draw the circle around the collecting area */
|
|
gdk_draw_rectangle (cp_tool->core->win, cp_tool->core->gc, 0,
|
|
tx - radiusx,
|
|
ty - radiusy,
|
|
2 * radiusx + cx, 2 * radiusy + cy);
|
|
|
|
if(radiusx > 1 && radiusy > 1)
|
|
{
|
|
gdk_draw_rectangle (cp_tool->core->win, cp_tool->core->gc, 0,
|
|
tx - radiusx + 2,
|
|
ty - radiusy + 2,
|
|
2 * radiusx + cx - 4, 2 * radiusy + cy - 4);
|
|
}
|
|
}
|
|
|
|
static void
|
|
color_picker_info_update (Tool *tool,
|
|
gboolean valid)
|
|
{
|
|
if (!valid)
|
|
{
|
|
if (GTK_WIDGET_IS_SENSITIVE (color_panel->color_panel_widget))
|
|
gtk_widget_set_sensitive (color_panel->color_panel_widget, FALSE);
|
|
|
|
g_snprintf (red_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (green_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (blue_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (alpha_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (index_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (gray_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (hex_buf, MAX_INFO_BUF, _("N/A"));
|
|
}
|
|
else
|
|
{
|
|
guchar col[3];
|
|
|
|
if (! GTK_WIDGET_IS_SENSITIVE (color_panel->color_panel_widget))
|
|
gtk_widget_set_sensitive (color_panel->color_panel_widget, TRUE);
|
|
|
|
switch (sample_type)
|
|
{
|
|
case RGB_GIMAGE: case RGBA_GIMAGE:
|
|
g_snprintf (red_buf, MAX_INFO_BUF, "%d", col_value [RED_PIX]);
|
|
g_snprintf (green_buf, MAX_INFO_BUF, "%d", col_value [GREEN_PIX]);
|
|
g_snprintf (blue_buf, MAX_INFO_BUF, "%d", col_value [BLUE_PIX]);
|
|
if (sample_type == RGBA_GIMAGE)
|
|
g_snprintf (alpha_buf, MAX_INFO_BUF, "%d", col_value [ALPHA_PIX]);
|
|
else
|
|
g_snprintf (alpha_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (hex_buf, MAX_INFO_BUF, "#%.2x%.2x%.2x",
|
|
col_value [RED_PIX],
|
|
col_value [GREEN_PIX],
|
|
col_value [BLUE_PIX]);
|
|
col[0] = col_value [RED_PIX];
|
|
col[1] = col_value [GREEN_PIX];
|
|
col[2] = col_value [BLUE_PIX];
|
|
break;
|
|
|
|
case INDEXED_GIMAGE: case INDEXEDA_GIMAGE:
|
|
g_snprintf (index_buf, MAX_INFO_BUF, "%d", col_value [4]);
|
|
if (sample_type == INDEXEDA_GIMAGE)
|
|
g_snprintf (alpha_buf, MAX_INFO_BUF, "%d", col_value [ALPHA_PIX]);
|
|
else
|
|
g_snprintf (alpha_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (red_buf, MAX_INFO_BUF, "%d", col_value [RED_PIX]);
|
|
g_snprintf (green_buf, MAX_INFO_BUF, "%d", col_value [GREEN_PIX]);
|
|
g_snprintf (blue_buf, MAX_INFO_BUF, "%d", col_value [BLUE_PIX]);
|
|
g_snprintf (hex_buf, MAX_INFO_BUF, "#%.2x%.2x%.2x",
|
|
col_value [RED_PIX],
|
|
col_value [GREEN_PIX],
|
|
col_value [BLUE_PIX]);
|
|
col[0] = col_value [RED_PIX];
|
|
col[1] = col_value [GREEN_PIX];
|
|
col[2] = col_value [BLUE_PIX];
|
|
break;
|
|
|
|
case GRAY_GIMAGE: case GRAYA_GIMAGE:
|
|
g_snprintf (gray_buf, MAX_INFO_BUF, "%d", col_value [GRAY_PIX]);
|
|
if (sample_type == GRAYA_GIMAGE)
|
|
g_snprintf (alpha_buf, MAX_INFO_BUF, "%d", col_value [ALPHA_PIX]);
|
|
else
|
|
g_snprintf (alpha_buf, MAX_INFO_BUF, _("N/A"));
|
|
g_snprintf (hex_buf, MAX_INFO_BUF, "#%.2x%.2x%.2x",
|
|
col_value [GRAY_PIX],
|
|
col_value [GRAY_PIX],
|
|
col_value [GRAY_PIX]);
|
|
col[0] = col_value [GRAY_PIX];
|
|
col[1] = col_value [GRAY_PIX];
|
|
col[2] = col_value [GRAY_PIX];
|
|
break;
|
|
}
|
|
|
|
color_panel_set_color (color_panel, col);
|
|
}
|
|
|
|
info_dialog_update (color_picker_info);
|
|
info_dialog_popup (color_picker_info);
|
|
}
|
|
|
|
static void
|
|
color_picker_info_window_close_callback (GtkWidget *widget,
|
|
gpointer client_data)
|
|
{
|
|
info_dialog_popdown ((InfoDialog *) client_data);
|
|
}
|
|
|
|
Tool *
|
|
tools_new_color_picker ()
|
|
{
|
|
Tool * tool;
|
|
ColorPickerTool * private;
|
|
|
|
/* The tool options */
|
|
if (! color_picker_options)
|
|
{
|
|
color_picker_options = color_picker_options_new ();
|
|
tools_register (COLOR_PICKER, (ToolOptions *) color_picker_options);
|
|
}
|
|
|
|
tool = tools_new_tool (COLOR_PICKER);
|
|
private = g_new (ColorPickerTool, 1);
|
|
|
|
private->core = draw_core_new (colorpicker_draw);
|
|
|
|
tool->preserve = FALSE; /* Don't preserve on drawable change */
|
|
|
|
tool->private = (void *) private;
|
|
|
|
tool->button_press_func = color_picker_button_press;
|
|
tool->button_release_func = color_picker_button_release;
|
|
tool->motion_func = color_picker_motion;
|
|
tool->cursor_update_func = color_picker_cursor_update;
|
|
tool->control_func = color_picker_control;
|
|
|
|
return tool;
|
|
}
|
|
|
|
void
|
|
tools_free_color_picker (Tool *tool)
|
|
{
|
|
ColorPickerTool * cp_tool;
|
|
|
|
cp_tool = (ColorPickerTool *) tool->private;
|
|
|
|
if (tool->state == ACTIVE)
|
|
draw_core_stop (cp_tool->core, tool);
|
|
|
|
draw_core_free (cp_tool->core);
|
|
|
|
if (color_picker_info)
|
|
{
|
|
info_dialog_free (color_picker_info);
|
|
color_picker_info = NULL;
|
|
|
|
color_panel_free (color_panel);
|
|
color_panel = NULL;
|
|
}
|
|
|
|
g_free (cp_tool);
|
|
}
|