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/* HSV color selector for GTK+
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*
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* Copyright (C) 1999 The Free Software Foundation
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*
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* Authors: Simon Budig <Simon.Budig@unix-ag.org> (original code)
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* Federico Mena-Quintero <federico@gimp.org> (cleanup for GTK+)
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* Jonathan Blandford <jrb@redhat.com> (cleanup for GTK+)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include <math.h>
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#include <string.h>
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#include "gdk/gdkkeysyms.h"
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#include "gtkhsv.h"
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#include "gtkbindings.h"
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#include "gtkmarshalers.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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/* Default width/height */
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#define DEFAULT_SIZE 100
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/* Default ring width */
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#define DEFAULT_RING_WIDTH 10
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/* Dragging modes */
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typedef enum {
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DRAG_NONE,
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DRAG_H,
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DRAG_SV
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} DragMode;
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/* Private part of the GtkHSV structure */
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typedef struct {
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/* Color value */
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double h;
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double s;
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double v;
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/* Size and ring width */
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int size;
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int ring_width;
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/* Window for capturing events */
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GdkWindow *window;
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/* Dragging mode */
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DragMode mode;
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guint focus_on_ring : 1;
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} HSVPrivate;
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/* Signal IDs */
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enum {
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CHANGED,
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MOVE,
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LAST_SIGNAL
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};
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static void gtk_hsv_destroy (GtkObject *object);
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static void gtk_hsv_map (GtkWidget *widget);
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static void gtk_hsv_unmap (GtkWidget *widget);
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static void gtk_hsv_realize (GtkWidget *widget);
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static void gtk_hsv_unrealize (GtkWidget *widget);
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static void gtk_hsv_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_hsv_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static gint gtk_hsv_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_hsv_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_hsv_motion (GtkWidget *widget,
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GdkEventMotion *event);
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static gint gtk_hsv_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gboolean gtk_hsv_grab_broken (GtkWidget *widget,
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GdkEventGrabBroken *event);
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static gboolean gtk_hsv_focus (GtkWidget *widget,
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GtkDirectionType direction);
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static void gtk_hsv_move (GtkHSV *hsv,
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GtkDirectionType dir);
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static guint hsv_signals[LAST_SIGNAL];
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G_DEFINE_TYPE (GtkHSV, gtk_hsv, GTK_TYPE_WIDGET)
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/* Class initialization function for the HSV color selector */
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static void
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gtk_hsv_class_init (GtkHSVClass *class)
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{
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GObjectClass *gobject_class;
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkHSVClass *hsv_class;
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GtkBindingSet *binding_set;
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gobject_class = (GObjectClass *) class;
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object_class = (GtkObjectClass *) class;
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widget_class = (GtkWidgetClass *) class;
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hsv_class = GTK_HSV_CLASS (class);
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object_class->destroy = gtk_hsv_destroy;
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widget_class->map = gtk_hsv_map;
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widget_class->unmap = gtk_hsv_unmap;
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widget_class->realize = gtk_hsv_realize;
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widget_class->unrealize = gtk_hsv_unrealize;
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widget_class->size_request = gtk_hsv_size_request;
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widget_class->size_allocate = gtk_hsv_size_allocate;
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widget_class->button_press_event = gtk_hsv_button_press;
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widget_class->button_release_event = gtk_hsv_button_release;
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widget_class->motion_notify_event = gtk_hsv_motion;
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widget_class->expose_event = gtk_hsv_expose;
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widget_class->focus = gtk_hsv_focus;
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widget_class->grab_broken_event = gtk_hsv_grab_broken;
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hsv_class->move = gtk_hsv_move;
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hsv_signals[CHANGED] =
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g_signal_new (I_("changed"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GtkHSVClass, changed),
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NULL, NULL,
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_gtk_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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hsv_signals[MOVE] =
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g_signal_new (I_("move"),
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G_OBJECT_CLASS_TYPE (object_class),
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G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
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G_STRUCT_OFFSET (GtkHSVClass, move),
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NULL, NULL,
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_gtk_marshal_VOID__ENUM,
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G_TYPE_NONE, 1,
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GTK_TYPE_DIRECTION_TYPE);
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binding_set = gtk_binding_set_by_class (class);
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gtk_binding_entry_add_signal (binding_set, GDK_Up, 0,
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"move", 1,
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G_TYPE_ENUM, GTK_DIR_UP);
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gtk_binding_entry_add_signal (binding_set, GDK_KP_Up, 0,
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"move", 1,
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G_TYPE_ENUM, GTK_DIR_UP);
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gtk_binding_entry_add_signal (binding_set, GDK_Down, 0,
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"move", 1,
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G_TYPE_ENUM, GTK_DIR_DOWN);
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gtk_binding_entry_add_signal (binding_set, GDK_KP_Down, 0,
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"move", 1,
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G_TYPE_ENUM, GTK_DIR_DOWN);
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gtk_binding_entry_add_signal (binding_set, GDK_Right, 0,
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"move", 1,
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G_TYPE_ENUM, GTK_DIR_RIGHT);
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gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, 0,
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"move", 1,
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G_TYPE_ENUM, GTK_DIR_RIGHT);
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gtk_binding_entry_add_signal (binding_set, GDK_Left, 0,
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"move", 1,
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G_TYPE_ENUM, GTK_DIR_LEFT);
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gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, 0,
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"move", 1,
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G_TYPE_ENUM, GTK_DIR_LEFT);
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g_type_class_add_private (gobject_class, sizeof (HSVPrivate));
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}
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/* Object initialization function for the HSV color selector */
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static void
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gtk_hsv_init (GtkHSV *hsv)
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{
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HSVPrivate *priv;
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priv = G_TYPE_INSTANCE_GET_PRIVATE (hsv, GTK_TYPE_HSV, HSVPrivate);
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hsv->priv = priv;
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gtk_widget_set_has_window (GTK_WIDGET (hsv), FALSE);
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gtk_widget_set_can_focus (GTK_WIDGET (hsv), TRUE);
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priv->h = 0.0;
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priv->s = 0.0;
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priv->v = 0.0;
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priv->size = DEFAULT_SIZE;
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priv->ring_width = DEFAULT_RING_WIDTH;
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}
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/* Destroy handler for the HSV color selector */
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static void
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gtk_hsv_destroy (GtkObject *object)
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{
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GTK_OBJECT_CLASS (gtk_hsv_parent_class)->destroy (object);
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}
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fb6fa5 |
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/* Default signal handlers */
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fb6fa5 |
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/* Map handler for the HSV color selector */
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fb6fa5 |
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static void
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gtk_hsv_map (GtkWidget *widget)
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{
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fb6fa5 |
GtkHSV *hsv;
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HSVPrivate *priv;
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fb6fa5 |
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hsv = GTK_HSV (widget);
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priv = hsv->priv;
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fb6fa5 |
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GTK_WIDGET_CLASS (gtk_hsv_parent_class)->map (widget);
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gdk_window_show (priv->window);
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|
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}
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fb6fa5 |
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/* Unmap handler for the HSV color selector */
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fb6fa5 |
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static void
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gtk_hsv_unmap (GtkWidget *widget)
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fb6fa5 |
{
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fb6fa5 |
GtkHSV *hsv;
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fb6fa5 |
HSVPrivate *priv;
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fb6fa5 |
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hsv = GTK_HSV (widget);
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fb6fa5 |
priv = hsv->priv;
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fb6fa5 |
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gdk_window_hide (priv->window);
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fb6fa5 |
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fb6fa5 |
GTK_WIDGET_CLASS (gtk_hsv_parent_class)->unmap (widget);
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|
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fb6fa5 |
}
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|
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fb6fa5 |
|
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fb6fa5 |
/* Realize handler for the HSV color selector */
|
|
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fb6fa5 |
static void
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|
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fb6fa5 |
gtk_hsv_realize (GtkWidget *widget)
|
|
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fb6fa5 |
{
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|
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fb6fa5 |
GtkHSV *hsv;
|
|
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fb6fa5 |
HSVPrivate *priv;
|
|
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fb6fa5 |
GdkWindowAttr attr;
|
|
Packit Service |
fb6fa5 |
int attr_mask;
|
|
Packit Service |
fb6fa5 |
GdkWindow *parent_window;
|
|
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fb6fa5 |
|
|
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fb6fa5 |
hsv = GTK_HSV (widget);
|
|
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fb6fa5 |
priv = hsv->priv;
|
|
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fb6fa5 |
|
|
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fb6fa5 |
gtk_widget_set_realized (widget, TRUE);
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|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Create window */
|
|
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fb6fa5 |
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attr.window_type = GDK_WINDOW_CHILD;
|
|
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fb6fa5 |
attr.x = widget->allocation.x;
|
|
Packit Service |
fb6fa5 |
attr.y = widget->allocation.y;
|
|
Packit Service |
fb6fa5 |
attr.width = widget->allocation.width;
|
|
Packit Service |
fb6fa5 |
attr.height = widget->allocation.height;
|
|
Packit Service |
fb6fa5 |
attr.wclass = GDK_INPUT_ONLY;
|
|
Packit Service |
fb6fa5 |
attr.event_mask = gtk_widget_get_events (widget);
|
|
Packit Service |
fb6fa5 |
attr.event_mask |= (GDK_KEY_PRESS_MASK
|
|
Packit Service |
fb6fa5 |
| GDK_BUTTON_PRESS_MASK
|
|
Packit Service |
fb6fa5 |
| GDK_BUTTON_RELEASE_MASK
|
|
Packit Service |
fb6fa5 |
| GDK_POINTER_MOTION_MASK
|
|
Packit Service |
fb6fa5 |
| GDK_ENTER_NOTIFY_MASK
|
|
Packit Service |
fb6fa5 |
| GDK_LEAVE_NOTIFY_MASK);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
attr_mask = GDK_WA_X | GDK_WA_Y;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
parent_window = gtk_widget_get_parent_window (widget);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
widget->window = parent_window;
|
|
Packit Service |
fb6fa5 |
g_object_ref (widget->window);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv->window = gdk_window_new (parent_window, &attr, attr_mask);
|
|
Packit Service |
fb6fa5 |
gdk_window_set_user_data (priv->window, hsv);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
widget->style = gtk_style_attach (widget->style, widget->window);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Unrealize handler for the HSV color selector */
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_unrealize (GtkWidget *widget)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv;
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gdk_window_set_user_data (priv->window, NULL);
|
|
Packit Service |
fb6fa5 |
gdk_window_destroy (priv->window);
|
|
Packit Service |
fb6fa5 |
priv->window = NULL;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
GTK_WIDGET_CLASS (gtk_hsv_parent_class)->unrealize (widget);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Size_request handler for the HSV color selector */
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_size_request (GtkWidget *widget,
|
|
Packit Service |
fb6fa5 |
GtkRequisition *requisition)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
gint focus_width;
|
|
Packit Service |
fb6fa5 |
gint focus_pad;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_widget_style_get (widget,
|
|
Packit Service |
fb6fa5 |
"focus-line-width", &focus_width,
|
|
Packit Service |
fb6fa5 |
"focus-padding", &focus_pad,
|
|
Packit Service |
fb6fa5 |
NULL);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
requisition->width = priv->size + 2 * (focus_width + focus_pad);
|
|
Packit Service |
fb6fa5 |
requisition->height = priv->size + 2 * (focus_width + focus_pad);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Size_allocate handler for the HSV color selector */
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_size_allocate (GtkWidget *widget,
|
|
Packit Service |
fb6fa5 |
GtkAllocation *allocation)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv;
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
widget->allocation = *allocation;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (gtk_widget_get_realized (widget))
|
|
Packit Service |
fb6fa5 |
gdk_window_move_resize (priv->window,
|
|
Packit Service |
fb6fa5 |
allocation->x,
|
|
Packit Service |
fb6fa5 |
allocation->y,
|
|
Packit Service |
fb6fa5 |
allocation->width,
|
|
Packit Service |
fb6fa5 |
allocation->height);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Utility functions */
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11)
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Converts from HSV to RGB */
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
hsv_to_rgb (gdouble *h,
|
|
Packit Service |
fb6fa5 |
gdouble *s,
|
|
Packit Service |
fb6fa5 |
gdouble *v)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
gdouble hue, saturation, value;
|
|
Packit Service |
fb6fa5 |
gdouble f, p, q, t;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (*s == 0.0)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
*h = *v;
|
|
Packit Service |
fb6fa5 |
*s = *v;
|
|
Packit Service |
fb6fa5 |
*v = *v; /* heh */
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
hue = *h * 6.0;
|
|
Packit Service |
fb6fa5 |
saturation = *s;
|
|
Packit Service |
fb6fa5 |
value = *v;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (hue == 6.0)
|
|
Packit Service |
fb6fa5 |
hue = 0.0;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
f = hue - (int) hue;
|
|
Packit Service |
fb6fa5 |
p = value * (1.0 - saturation);
|
|
Packit Service |
fb6fa5 |
q = value * (1.0 - saturation * f);
|
|
Packit Service |
fb6fa5 |
t = value * (1.0 - saturation * (1.0 - f));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
switch ((int) hue)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
case 0:
|
|
Packit Service |
fb6fa5 |
*h = value;
|
|
Packit Service |
fb6fa5 |
*s = t;
|
|
Packit Service |
fb6fa5 |
*v = p;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case 1:
|
|
Packit Service |
fb6fa5 |
*h = q;
|
|
Packit Service |
fb6fa5 |
*s = value;
|
|
Packit Service |
fb6fa5 |
*v = p;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case 2:
|
|
Packit Service |
fb6fa5 |
*h = p;
|
|
Packit Service |
fb6fa5 |
*s = value;
|
|
Packit Service |
fb6fa5 |
*v = t;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case 3:
|
|
Packit Service |
fb6fa5 |
*h = p;
|
|
Packit Service |
fb6fa5 |
*s = q;
|
|
Packit Service |
fb6fa5 |
*v = value;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case 4:
|
|
Packit Service |
fb6fa5 |
*h = t;
|
|
Packit Service |
fb6fa5 |
*s = p;
|
|
Packit Service |
fb6fa5 |
*v = value;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case 5:
|
|
Packit Service |
fb6fa5 |
*h = value;
|
|
Packit Service |
fb6fa5 |
*s = p;
|
|
Packit Service |
fb6fa5 |
*v = q;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
default:
|
|
Packit Service |
fb6fa5 |
g_assert_not_reached ();
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Converts from RGB to HSV */
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
rgb_to_hsv (gdouble *r,
|
|
Packit Service |
fb6fa5 |
gdouble *g,
|
|
Packit Service |
fb6fa5 |
gdouble *b)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
gdouble red, green, blue;
|
|
Packit Service |
fb6fa5 |
gdouble h, s, v;
|
|
Packit Service |
fb6fa5 |
gdouble min, max;
|
|
Packit Service |
fb6fa5 |
gdouble delta;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
red = *r;
|
|
Packit Service |
fb6fa5 |
green = *g;
|
|
Packit Service |
fb6fa5 |
blue = *b;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
h = 0.0;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (red > green)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
if (red > blue)
|
|
Packit Service |
fb6fa5 |
max = red;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
max = blue;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (green < blue)
|
|
Packit Service |
fb6fa5 |
min = green;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
min = blue;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
if (green > blue)
|
|
Packit Service |
fb6fa5 |
max = green;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
max = blue;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (red < blue)
|
|
Packit Service |
fb6fa5 |
min = red;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
min = blue;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
v = max;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (max != 0.0)
|
|
Packit Service |
fb6fa5 |
s = (max - min) / max;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
s = 0.0;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (s == 0.0)
|
|
Packit Service |
fb6fa5 |
h = 0.0;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
delta = max - min;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (red == max)
|
|
Packit Service |
fb6fa5 |
h = (green - blue) / delta;
|
|
Packit Service |
fb6fa5 |
else if (green == max)
|
|
Packit Service |
fb6fa5 |
h = 2 + (blue - red) / delta;
|
|
Packit Service |
fb6fa5 |
else if (blue == max)
|
|
Packit Service |
fb6fa5 |
h = 4 + (red - green) / delta;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
h /= 6.0;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (h < 0.0)
|
|
Packit Service |
fb6fa5 |
h += 1.0;
|
|
Packit Service |
fb6fa5 |
else if (h > 1.0)
|
|
Packit Service |
fb6fa5 |
h -= 1.0;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
*r = h;
|
|
Packit Service |
fb6fa5 |
*g = s;
|
|
Packit Service |
fb6fa5 |
*b = v;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Computes the vertices of the saturation/value triangle */
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
compute_triangle (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
gint *hx,
|
|
Packit Service |
fb6fa5 |
gint *hy,
|
|
Packit Service |
fb6fa5 |
gint *sx,
|
|
Packit Service |
fb6fa5 |
gint *sy,
|
|
Packit Service |
fb6fa5 |
gint *vx,
|
|
Packit Service |
fb6fa5 |
gint *vy)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
gdouble center_x;
|
|
Packit Service |
fb6fa5 |
gdouble center_y;
|
|
Packit Service |
fb6fa5 |
gdouble inner, outer;
|
|
Packit Service |
fb6fa5 |
gdouble angle;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
center_x = GTK_WIDGET (hsv)->allocation.width / 2.0;
|
|
Packit Service |
fb6fa5 |
center_y = GTK_WIDGET (hsv)->allocation.height / 2.0;
|
|
Packit Service |
fb6fa5 |
outer = priv->size / 2.0;
|
|
Packit Service |
fb6fa5 |
inner = outer - priv->ring_width;
|
|
Packit Service |
fb6fa5 |
angle = priv->h * 2.0 * G_PI;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
*hx = floor (center_x + cos (angle) * inner + 0.5);
|
|
Packit Service |
fb6fa5 |
*hy = floor (center_y - sin (angle) * inner + 0.5);
|
|
Packit Service |
fb6fa5 |
*sx = floor (center_x + cos (angle + 2.0 * G_PI / 3.0) * inner + 0.5);
|
|
Packit Service |
fb6fa5 |
*sy = floor (center_y - sin (angle + 2.0 * G_PI / 3.0) * inner + 0.5);
|
|
Packit Service |
fb6fa5 |
*vx = floor (center_x + cos (angle + 4.0 * G_PI / 3.0) * inner + 0.5);
|
|
Packit Service |
fb6fa5 |
*vy = floor (center_y - sin (angle + 4.0 * G_PI / 3.0) * inner + 0.5);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Computes whether a point is inside the hue ring */
|
|
Packit Service |
fb6fa5 |
static gboolean
|
|
Packit Service |
fb6fa5 |
is_in_ring (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
gdouble x,
|
|
Packit Service |
fb6fa5 |
gdouble y)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
gdouble dx, dy, dist;
|
|
Packit Service |
fb6fa5 |
gdouble center_x;
|
|
Packit Service |
fb6fa5 |
gdouble center_y;
|
|
Packit Service |
fb6fa5 |
gdouble inner, outer;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
center_x = GTK_WIDGET (hsv)->allocation.width / 2.0;
|
|
Packit Service |
fb6fa5 |
center_y = GTK_WIDGET (hsv)->allocation.height / 2.0;
|
|
Packit Service |
fb6fa5 |
outer = priv->size / 2.0;
|
|
Packit Service |
fb6fa5 |
inner = outer - priv->ring_width;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
dx = x - center_x;
|
|
Packit Service |
fb6fa5 |
dy = center_y - y;
|
|
Packit Service |
fb6fa5 |
dist = dx * dx + dy * dy;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return (dist >= inner * inner && dist <= outer * outer);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Computes a saturation/value pair based on the mouse coordinates */
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
compute_sv (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
gdouble x,
|
|
Packit Service |
fb6fa5 |
gdouble y,
|
|
Packit Service |
fb6fa5 |
gdouble *s,
|
|
Packit Service |
fb6fa5 |
gdouble *v)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
int ihx, ihy, isx, isy, ivx, ivy;
|
|
Packit Service |
fb6fa5 |
double hx, hy, sx, sy, vx, vy;
|
|
Packit Service |
fb6fa5 |
double center_x;
|
|
Packit Service |
fb6fa5 |
double center_y;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
compute_triangle (hsv, &ihx, &ihy, &isx, &isy, &ivx, &ivy);
|
|
Packit Service |
fb6fa5 |
center_x = GTK_WIDGET (hsv)->allocation.width / 2.0;
|
|
Packit Service |
fb6fa5 |
center_y = GTK_WIDGET (hsv)->allocation.height / 2.0;
|
|
Packit Service |
fb6fa5 |
hx = ihx - center_x;
|
|
Packit Service |
fb6fa5 |
hy = center_y - ihy;
|
|
Packit Service |
fb6fa5 |
sx = isx - center_x;
|
|
Packit Service |
fb6fa5 |
sy = center_y - isy;
|
|
Packit Service |
fb6fa5 |
vx = ivx - center_x;
|
|
Packit Service |
fb6fa5 |
vy = center_y - ivy;
|
|
Packit Service |
fb6fa5 |
x -= center_x;
|
|
Packit Service |
fb6fa5 |
y = center_y - y;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (vx * (x - sx) + vy * (y - sy) < 0.0)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
*s = 1.0;
|
|
Packit Service |
fb6fa5 |
*v = (((x - sx) * (hx - sx) + (y - sy) * (hy-sy))
|
|
Packit Service |
fb6fa5 |
/ ((hx - sx) * (hx - sx) + (hy - sy) * (hy - sy)));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (*v < 0.0)
|
|
Packit Service |
fb6fa5 |
*v = 0.0;
|
|
Packit Service |
fb6fa5 |
else if (*v > 1.0)
|
|
Packit Service |
fb6fa5 |
*v = 1.0;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
else if (hx * (x - sx) + hy * (y - sy) < 0.0)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
*s = 0.0;
|
|
Packit Service |
fb6fa5 |
*v = (((x - sx) * (vx - sx) + (y - sy) * (vy - sy))
|
|
Packit Service |
fb6fa5 |
/ ((vx - sx) * (vx - sx) + (vy - sy) * (vy - sy)));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (*v < 0.0)
|
|
Packit Service |
fb6fa5 |
*v = 0.0;
|
|
Packit Service |
fb6fa5 |
else if (*v > 1.0)
|
|
Packit Service |
fb6fa5 |
*v = 1.0;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
else if (sx * (x - hx) + sy * (y - hy) < 0.0)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
*v = 1.0;
|
|
Packit Service |
fb6fa5 |
*s = (((x - vx) * (hx - vx) + (y - vy) * (hy - vy)) /
|
|
Packit Service |
fb6fa5 |
((hx - vx) * (hx - vx) + (hy - vy) * (hy - vy)));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (*s < 0.0)
|
|
Packit Service |
fb6fa5 |
*s = 0.0;
|
|
Packit Service |
fb6fa5 |
else if (*s > 1.0)
|
|
Packit Service |
fb6fa5 |
*s = 1.0;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
*v = (((x - sx) * (hy - vy) - (y - sy) * (hx - vx))
|
|
Packit Service |
fb6fa5 |
/ ((vx - sx) * (hy - vy) - (vy - sy) * (hx - vx)));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (*v<= 0.0)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
*v = 0.0;
|
|
Packit Service |
fb6fa5 |
*s = 0.0;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
if (*v > 1.0)
|
|
Packit Service |
fb6fa5 |
*v = 1.0;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (fabs (hy - vy) < fabs (hx - vx))
|
|
Packit Service |
fb6fa5 |
*s = (x - sx - *v * (vx - sx)) / (*v * (hx - vx));
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
*s = (y - sy - *v * (vy - sy)) / (*v * (hy - vy));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (*s < 0.0)
|
|
Packit Service |
fb6fa5 |
*s = 0.0;
|
|
Packit Service |
fb6fa5 |
else if (*s > 1.0)
|
|
Packit Service |
fb6fa5 |
*s = 1.0;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Computes whether a point is inside the saturation/value triangle */
|
|
Packit Service |
fb6fa5 |
static gboolean
|
|
Packit Service |
fb6fa5 |
is_in_triangle (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
gdouble x,
|
|
Packit Service |
fb6fa5 |
gdouble y)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
int hx, hy, sx, sy, vx, vy;
|
|
Packit Service |
fb6fa5 |
double det, s, v;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
compute_triangle (hsv, &hx, &hy, &sx, &sy, &vx, &vy;;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
det = (vx - sx) * (hy - sy) - (vy - sy) * (hx - sx);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
s = ((x - sx) * (hy - sy) - (y - sy) * (hx - sx)) / det;
|
|
Packit Service |
fb6fa5 |
v = ((vx - sx) * (y - sy) - (vy - sy) * (x - sx)) / det;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return (s >= 0.0 && v >= 0.0 && s + v <= 1.0);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Computes a value based on the mouse coordinates */
|
|
Packit Service |
fb6fa5 |
static double
|
|
Packit Service |
fb6fa5 |
compute_v (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
gdouble x,
|
|
Packit Service |
fb6fa5 |
gdouble y)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
double center_x;
|
|
Packit Service |
fb6fa5 |
double center_y;
|
|
Packit Service |
fb6fa5 |
double dx, dy;
|
|
Packit Service |
fb6fa5 |
double angle;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
center_x = GTK_WIDGET (hsv)->allocation.width / 2.0;
|
|
Packit Service |
fb6fa5 |
center_y = GTK_WIDGET (hsv)->allocation.height / 2.0;
|
|
Packit Service |
fb6fa5 |
dx = x - center_x;
|
|
Packit Service |
fb6fa5 |
dy = center_y - y;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
angle = atan2 (dy, dx);
|
|
Packit Service |
fb6fa5 |
if (angle < 0.0)
|
|
Packit Service |
fb6fa5 |
angle += 2.0 * G_PI;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return angle / (2.0 * G_PI);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Event handlers */
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
set_cross_grab (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
guint32 time)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
GdkCursor *cursor;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
cursor = gdk_cursor_new_for_display (gtk_widget_get_display (GTK_WIDGET (hsv)),
|
|
Packit Service |
fb6fa5 |
GDK_CROSSHAIR);
|
|
Packit Service |
fb6fa5 |
gdk_pointer_grab (priv->window, FALSE,
|
|
Packit Service |
fb6fa5 |
(GDK_POINTER_MOTION_MASK
|
|
Packit Service |
fb6fa5 |
| GDK_POINTER_MOTION_HINT_MASK
|
|
Packit Service |
fb6fa5 |
| GDK_BUTTON_RELEASE_MASK),
|
|
Packit Service |
fb6fa5 |
NULL,
|
|
Packit Service |
fb6fa5 |
cursor,
|
|
Packit Service |
fb6fa5 |
time);
|
|
Packit Service |
fb6fa5 |
gdk_cursor_unref (cursor);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
static gboolean
|
|
Packit Service |
fb6fa5 |
gtk_hsv_grab_broken (GtkWidget *widget,
|
|
Packit Service |
fb6fa5 |
GdkEventGrabBroken *event)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv->mode = DRAG_NONE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return TRUE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Button_press_event handler for the HSV color selector */
|
|
Packit Service |
fb6fa5 |
static gint
|
|
Packit Service |
fb6fa5 |
gtk_hsv_button_press (GtkWidget *widget,
|
|
Packit Service |
fb6fa5 |
GdkEventButton *event)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv;
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
double x, y;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (priv->mode != DRAG_NONE || event->button != 1)
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
x = event->x;
|
|
Packit Service |
fb6fa5 |
y = event->y;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (is_in_ring (hsv, x, y))
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
priv->mode = DRAG_H;
|
|
Packit Service |
fb6fa5 |
set_cross_grab (hsv, event->time);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_color (hsv,
|
|
Packit Service |
fb6fa5 |
compute_v (hsv, x, y),
|
|
Packit Service |
fb6fa5 |
priv->s,
|
|
Packit Service |
fb6fa5 |
priv->v);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_widget_grab_focus (widget);
|
|
Packit Service |
fb6fa5 |
priv->focus_on_ring = TRUE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return TRUE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (is_in_triangle (hsv, x, y))
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
gdouble s, v;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv->mode = DRAG_SV;
|
|
Packit Service |
fb6fa5 |
set_cross_grab (hsv, event->time);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
compute_sv (hsv, x, y, &s, &v);
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_color (hsv, priv->h, s, v);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_widget_grab_focus (widget);
|
|
Packit Service |
fb6fa5 |
priv->focus_on_ring = FALSE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return TRUE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Button_release_event handler for the HSV color selector */
|
|
Packit Service |
fb6fa5 |
static gint
|
|
Packit Service |
fb6fa5 |
gtk_hsv_button_release (GtkWidget *widget,
|
|
Packit Service |
fb6fa5 |
GdkEventButton *event)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv;
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
DragMode mode;
|
|
Packit Service |
fb6fa5 |
gdouble x, y;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (priv->mode == DRAG_NONE || event->button != 1)
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Set the drag mode to DRAG_NONE so that signal handlers for "catched"
|
|
Packit Service |
fb6fa5 |
* can see that this is the final color state.
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
mode = priv->mode;
|
|
Packit Service |
fb6fa5 |
priv->mode = DRAG_NONE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
x = event->x;
|
|
Packit Service |
fb6fa5 |
y = event->y;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (mode == DRAG_H)
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_color (hsv, compute_v (hsv, x, y), priv->s, priv->v);
|
|
Packit Service |
fb6fa5 |
else if (mode == DRAG_SV) {
|
|
Packit Service |
fb6fa5 |
double s, v;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
compute_sv (hsv, x, y, &s, &v);
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_color (hsv, priv->h, s, v);
|
|
Packit Service |
fb6fa5 |
} else
|
|
Packit Service |
fb6fa5 |
g_assert_not_reached ();
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gdk_display_pointer_ungrab (gdk_window_get_display (event->window),
|
|
Packit Service |
fb6fa5 |
event->time);
|
|
Packit Service |
fb6fa5 |
return TRUE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Motion_notify_event handler for the HSV color selector */
|
|
Packit Service |
fb6fa5 |
static gint
|
|
Packit Service |
fb6fa5 |
gtk_hsv_motion (GtkWidget *widget,
|
|
Packit Service |
fb6fa5 |
GdkEventMotion *event)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv;
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
double x, y;
|
|
Packit Service |
fb6fa5 |
GdkModifierType mods;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (priv->mode == DRAG_NONE)
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gdk_event_request_motions (event);
|
|
Packit Service |
fb6fa5 |
x = event->x;
|
|
Packit Service |
fb6fa5 |
y = event->y;
|
|
Packit Service |
fb6fa5 |
mods = event->state;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (priv->mode == DRAG_H)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_color (hsv, compute_v (hsv, x, y), priv->s, priv->v);
|
|
Packit Service |
fb6fa5 |
return TRUE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
else if (priv->mode == DRAG_SV)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
double s, v;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
compute_sv (hsv, x, y, &s, &v);
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_color (hsv, priv->h, s, v);
|
|
Packit Service |
fb6fa5 |
return TRUE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
g_assert_not_reached ();
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Redrawing */
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Paints the hue ring */
|
|
Packit Service |
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static void
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paint_ring (GtkHSV *hsv,
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cairo_t *cr,
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gint x,
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gint y,
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gint width,
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gint height)
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{
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GtkWidget *widget = GTK_WIDGET (hsv);
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HSVPrivate *priv;
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int xx, yy;
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gdouble dx, dy, dist;
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gdouble center_x;
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gdouble center_y;
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gdouble inner, outer;
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guint32 *buf, *p;
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gdouble angle;
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gdouble hue;
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gdouble r, g, b;
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cairo_surface_t *source;
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cairo_t *source_cr;
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gint stride;
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gint focus_width;
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gint focus_pad;
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gtk_widget_style_get (widget,
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"focus-line-width", &focus_width,
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"focus-padding", &focus_pad,
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NULL);
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priv = hsv->priv;
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center_x = widget->allocation.width / 2.0;
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center_y = widget->allocation.height / 2.0;
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outer = priv->size / 2.0;
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inner = outer - priv->ring_width;
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/* Create an image initialized with the ring colors */
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stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, width);
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buf = g_new (guint32, height * stride / 4);
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for (yy = 0; yy < height; yy++)
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{
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p = buf + yy * width;
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dy = -(yy + y - center_y);
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for (xx = 0; xx < width; xx++)
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{
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dx = xx + x - center_x;
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dist = dx * dx + dy * dy;
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if (dist < ((inner-1) * (inner-1)) || dist > ((outer+1) * (outer+1)))
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{
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*p++ = 0;
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continue;
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}
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angle = atan2 (dy, dx);
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if (angle < 0.0)
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angle += 2.0 * G_PI;
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hue = angle / (2.0 * G_PI);
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r = hue;
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g = 1.0;
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b = 1.0;
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hsv_to_rgb (&r, &g, &b);
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*p++ = (((int)floor (r * 255 + 0.5) << 16) |
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((int)floor (g * 255 + 0.5) << 8) |
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(int)floor (b * 255 + 0.5));
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}
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}
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source = cairo_image_surface_create_for_data ((unsigned char *)buf,
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CAIRO_FORMAT_RGB24,
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width, height, stride);
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/* Now draw the value marker onto the source image, so that it
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* will get properly clipped at the edges of the ring
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*/
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source_cr = cairo_create (source);
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r = priv->h;
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g = 1.0;
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b = 1.0;
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hsv_to_rgb (&r, &g, &b);
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if (INTENSITY (r, g, b) > 0.5)
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cairo_set_source_rgb (source_cr, 0., 0., 0.);
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else
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cairo_set_source_rgb (source_cr, 1., 1., 1.);
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cairo_move_to (source_cr, -x + center_x, - y + center_y);
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cairo_line_to (source_cr,
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-x + center_x + cos (priv->h * 2.0 * G_PI) * priv->size / 2,
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-y + center_y - sin (priv->h * 2.0 * G_PI) * priv->size / 2);
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cairo_stroke (source_cr);
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cairo_destroy (source_cr);
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/* Draw the ring using the source image */
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cairo_save (cr);
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cairo_set_source_surface (cr, source, x, y);
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cairo_surface_destroy (source);
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cairo_set_line_width (cr, priv->ring_width);
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cairo_new_path (cr);
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cairo_arc (cr,
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center_x, center_y,
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priv->size / 2. - priv->ring_width / 2.,
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0, 2 * G_PI);
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cairo_stroke (cr);
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cairo_restore (cr);
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g_free (buf);
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}
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/* Converts an HSV triplet to an integer RGB triplet */
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static void
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get_color (gdouble h,
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gdouble s,
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gdouble v,
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gint *r,
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gint *g,
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gint *b)
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{
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hsv_to_rgb (&h, &s, &v);
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*r = floor (h * 255 + 0.5);
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*g = floor (s * 255 + 0.5);
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*b = floor (v * 255 + 0.5);
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}
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#define SWAP(a, b, t) ((t) = (a), (a) = (b), (b) = (t))
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#define LERP(a, b, v1, v2, i) (((v2) - (v1) != 0) \
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? ((a) + ((b) - (a)) * ((i) - (v1)) / ((v2) - (v1))) \
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: (a))
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/* Number of pixels we extend out from the edges when creating
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* color source to avoid artifacts
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*/
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#define PAD 3
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/* Paints the HSV triangle */
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static void
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paint_triangle (GtkHSV *hsv,
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cairo_t *cr,
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gint x,
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gint y,
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gint width,
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gint height)
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{
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GtkWidget *widget = GTK_WIDGET (hsv);
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HSVPrivate *priv;
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gint hx, hy, sx, sy, vx, vy; /* HSV vertices */
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gint x1, y1, r1, g1, b1; /* First vertex in scanline order */
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gint x2, y2, r2, g2, b2; /* Second vertex */
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gint x3, y3, r3, g3, b3; /* Third vertex */
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gint t;
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guint32 *buf, *p, c;
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gint xl, xr, rl, rr, gl, gr, bl, br; /* Scanline data */
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gint xx, yy;
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gint x_interp, y_interp;
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gint x_start, x_end;
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cairo_surface_t *source;
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gdouble r, g, b;
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gchar *detail;
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gint stride;
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priv = hsv->priv;
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fb6fa5 |
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/* Compute triangle's vertices */
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compute_triangle (hsv, &hx, &hy, &sx, &sy, &vx, &vy;;
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x1 = hx;
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y1 = hy;
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get_color (priv->h, 1.0, 1.0, &r1, &g1, &b1;;
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x2 = sx;
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y2 = sy;
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get_color (priv->h, 1.0, 0.0, &r2, &g2, &b2;;
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x3 = vx;
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y3 = vy;
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get_color (priv->h, 0.0, 1.0, &r3, &g3, &b3;;
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if (y2 > y3)
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{
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SWAP (x2, x3, t);
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SWAP (y2, y3, t);
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SWAP (r2, r3, t);
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SWAP (g2, g3, t);
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SWAP (b2, b3, t);
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}
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fb6fa5 |
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if (y1 > y3)
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{
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SWAP (x1, x3, t);
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SWAP (y1, y3, t);
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SWAP (r1, r3, t);
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SWAP (g1, g3, t);
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SWAP (b1, b3, t);
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}
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fb6fa5 |
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fb6fa5 |
if (y1 > y2)
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{
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SWAP (x1, x2, t);
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SWAP (y1, y2, t);
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fb6fa5 |
SWAP (r1, r2, t);
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SWAP (g1, g2, t);
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SWAP (b1, b2, t);
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fb6fa5 |
}
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fb6fa5 |
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fb6fa5 |
/* Shade the triangle */
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fb6fa5 |
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fb6fa5 |
stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, width);
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buf = g_new (guint32, height * stride / 4);
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fb6fa5 |
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fb6fa5 |
for (yy = 0; yy < height; yy++)
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{
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p = buf + yy * width;
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fb6fa5 |
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if (yy + y >= y1 - PAD && yy + y < y3 + PAD) {
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y_interp = CLAMP (yy + y, y1, y3);
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fb6fa5 |
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if (y_interp < y2)
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{
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xl = LERP (x1, x2, y1, y2, y_interp);
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fb6fa5 |
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rl = LERP (r1, r2, y1, y2, y_interp);
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gl = LERP (g1, g2, y1, y2, y_interp);
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bl = LERP (b1, b2, y1, y2, y_interp);
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fb6fa5 |
}
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fb6fa5 |
else
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fb6fa5 |
{
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fb6fa5 |
xl = LERP (x2, x3, y2, y3, y_interp);
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fb6fa5 |
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fb6fa5 |
rl = LERP (r2, r3, y2, y3, y_interp);
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fb6fa5 |
gl = LERP (g2, g3, y2, y3, y_interp);
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fb6fa5 |
bl = LERP (b2, b3, y2, y3, y_interp);
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fb6fa5 |
}
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fb6fa5 |
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fb6fa5 |
xr = LERP (x1, x3, y1, y3, y_interp);
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fb6fa5 |
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fb6fa5 |
rr = LERP (r1, r3, y1, y3, y_interp);
|
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gr = LERP (g1, g3, y1, y3, y_interp);
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fb6fa5 |
br = LERP (b1, b3, y1, y3, y_interp);
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fb6fa5 |
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fb6fa5 |
if (xl > xr)
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fb6fa5 |
{
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fb6fa5 |
SWAP (xl, xr, t);
|
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fb6fa5 |
SWAP (rl, rr, t);
|
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fb6fa5 |
SWAP (gl, gr, t);
|
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fb6fa5 |
SWAP (bl, br, t);
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fb6fa5 |
}
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fb6fa5 |
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fb6fa5 |
x_start = MAX (xl - PAD, x);
|
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fb6fa5 |
x_end = MIN (xr + PAD, x + width);
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fb6fa5 |
x_start = MIN (x_start, x_end);
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fb6fa5 |
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fb6fa5 |
c = (rl << 16) | (gl << 8) | bl;
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fb6fa5 |
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fb6fa5 |
for (xx = x; xx < x_start; xx++)
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fb6fa5 |
*p++ = c;
|
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fb6fa5 |
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fb6fa5 |
for (; xx < x_end; xx++)
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fb6fa5 |
{
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fb6fa5 |
x_interp = CLAMP (xx, xl, xr);
|
|
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fb6fa5 |
|
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fb6fa5 |
*p++ = ((LERP (rl, rr, xl, xr, x_interp) << 16) |
|
|
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fb6fa5 |
(LERP (gl, gr, xl, xr, x_interp) << 8) |
|
|
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fb6fa5 |
LERP (bl, br, xl, xr, x_interp));
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
c = (rr << 16) | (gr << 8) | br;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
for (; xx < x + width; xx++)
|
|
Packit Service |
fb6fa5 |
*p++ = c;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
source = cairo_image_surface_create_for_data ((unsigned char *)buf,
|
|
Packit Service |
fb6fa5 |
CAIRO_FORMAT_RGB24,
|
|
Packit Service |
fb6fa5 |
width, height, stride);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Draw a triangle with the image as a source */
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
cairo_set_source_surface (cr, source, x, y);
|
|
Packit Service |
fb6fa5 |
cairo_surface_destroy (source);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
cairo_move_to (cr, x1, y1);
|
|
Packit Service |
fb6fa5 |
cairo_line_to (cr, x2, y2);
|
|
Packit Service |
fb6fa5 |
cairo_line_to (cr, x3, y3);
|
|
Packit Service |
fb6fa5 |
cairo_close_path (cr);
|
|
Packit Service |
fb6fa5 |
cairo_fill (cr);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
g_free (buf);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Draw value marker */
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
xx = floor (sx + (vx - sx) * priv->v + (hx - vx) * priv->s * priv->v + 0.5);
|
|
Packit Service |
fb6fa5 |
yy = floor (sy + (vy - sy) * priv->v + (hy - vy) * priv->s * priv->v + 0.5);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
r = priv->h;
|
|
Packit Service |
fb6fa5 |
g = priv->s;
|
|
Packit Service |
fb6fa5 |
b = priv->v;
|
|
Packit Service |
fb6fa5 |
hsv_to_rgb (&r, &g, &b);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (INTENSITY (r, g, b) > 0.5)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
detail = "colorwheel_light";
|
|
Packit Service |
fb6fa5 |
cairo_set_source_rgb (cr, 0., 0., 0.);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
detail = "colorwheel_dark";
|
|
Packit Service |
fb6fa5 |
cairo_set_source_rgb (cr, 1., 1., 1.);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
#define RADIUS 4
|
|
Packit Service |
fb6fa5 |
#define FOCUS_RADIUS 6
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
cairo_new_path (cr);
|
|
Packit Service |
fb6fa5 |
cairo_arc (cr, xx, yy, RADIUS, 0, 2 * G_PI);
|
|
Packit Service |
fb6fa5 |
cairo_stroke (cr);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Draw focus outline */
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (gtk_widget_has_focus (widget) &&
|
|
Packit Service |
fb6fa5 |
!priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
gint focus_width;
|
|
Packit Service |
fb6fa5 |
gint focus_pad;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_widget_style_get (widget,
|
|
Packit Service |
fb6fa5 |
"focus-line-width", &focus_width,
|
|
Packit Service |
fb6fa5 |
"focus-padding", &focus_pad,
|
|
Packit Service |
fb6fa5 |
NULL);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_paint_focus (widget->style, widget->window,
|
|
Packit Service |
fb6fa5 |
gtk_widget_get_state (widget),
|
|
Packit Service |
fb6fa5 |
NULL, widget, detail,
|
|
Packit Service |
fb6fa5 |
widget->allocation.x + xx - FOCUS_RADIUS - focus_width - focus_pad,
|
|
Packit Service |
fb6fa5 |
widget->allocation.y + yy - FOCUS_RADIUS - focus_width - focus_pad,
|
|
Packit Service |
fb6fa5 |
2 * (FOCUS_RADIUS + focus_width + focus_pad),
|
|
Packit Service |
fb6fa5 |
2 * (FOCUS_RADIUS + focus_width + focus_pad));
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Paints the contents of the HSV color selector */
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
paint (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
cairo_t *cr,
|
|
Packit Service |
fb6fa5 |
gint x,
|
|
Packit Service |
fb6fa5 |
gint y,
|
|
Packit Service |
fb6fa5 |
gint width,
|
|
Packit Service |
fb6fa5 |
gint height)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
paint_ring (hsv, cr, x, y, width, height);
|
|
Packit Service |
fb6fa5 |
paint_triangle (hsv, cr, x, y, width, height);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Expose_event handler for the HSV color selector */
|
|
Packit Service |
fb6fa5 |
static gint
|
|
Packit Service |
fb6fa5 |
gtk_hsv_expose (GtkWidget *widget,
|
|
Packit Service |
fb6fa5 |
GdkEventExpose *event)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv;
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
GdkRectangle rect, dest;
|
|
Packit Service |
fb6fa5 |
cairo_t *cr;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (!(event->window == widget->window && gtk_widget_is_drawable (widget)))
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
rect.x = widget->allocation.x;
|
|
Packit Service |
fb6fa5 |
rect.y = widget->allocation.y;
|
|
Packit Service |
fb6fa5 |
rect.width = widget->allocation.width;
|
|
Packit Service |
fb6fa5 |
rect.height = widget->allocation.height;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (!gdk_rectangle_intersect (&event->area, &rect, &dest))
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
cr = gdk_cairo_create (widget->window);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
cairo_translate (cr, widget->allocation.x, widget->allocation.y);
|
|
Packit Service |
fb6fa5 |
paint (hsv, cr,
|
|
Packit Service |
fb6fa5 |
dest.x - widget->allocation.x,
|
|
Packit Service |
fb6fa5 |
dest.y - widget->allocation.y,
|
|
Packit Service |
fb6fa5 |
dest.width, dest.height);
|
|
Packit Service |
fb6fa5 |
cairo_destroy (cr);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (gtk_widget_has_focus (widget) && priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
gtk_paint_focus (widget->style, widget->window,
|
|
Packit Service |
fb6fa5 |
gtk_widget_get_state (widget),
|
|
Packit Service |
fb6fa5 |
&event->area, widget, NULL,
|
|
Packit Service |
fb6fa5 |
widget->allocation.x,
|
|
Packit Service |
fb6fa5 |
widget->allocation.y,
|
|
Packit Service |
fb6fa5 |
widget->allocation.width,
|
|
Packit Service |
fb6fa5 |
widget->allocation.height);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
static gboolean
|
|
Packit Service |
fb6fa5 |
gtk_hsv_focus (GtkWidget *widget,
|
|
Packit Service |
fb6fa5 |
GtkDirectionType dir)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
GtkHSV *hsv;
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hsv = GTK_HSV (widget);
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (!gtk_widget_has_focus (widget))
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
if (dir == GTK_DIR_TAB_BACKWARD)
|
|
Packit Service |
fb6fa5 |
priv->focus_on_ring = FALSE;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
priv->focus_on_ring = TRUE;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_widget_grab_focus (GTK_WIDGET (hsv));
|
|
Packit Service |
fb6fa5 |
return TRUE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
switch (dir)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_UP:
|
|
Packit Service |
fb6fa5 |
if (priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
priv->focus_on_ring = TRUE;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_DOWN:
|
|
Packit Service |
fb6fa5 |
if (priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
priv->focus_on_ring = FALSE;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_LEFT:
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_TAB_BACKWARD:
|
|
Packit Service |
fb6fa5 |
if (priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
priv->focus_on_ring = TRUE;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_RIGHT:
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_TAB_FORWARD:
|
|
Packit Service |
fb6fa5 |
if (priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
priv->focus_on_ring = FALSE;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
return FALSE;
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_widget_queue_draw (GTK_WIDGET (hsv));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return TRUE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/**
|
|
Packit Service |
fb6fa5 |
* gtk_hsv_new:
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Creates a new HSV color selector.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Return value: A newly-created HSV color selector.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Since: 2.14
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
GtkWidget*
|
|
Packit Service |
fb6fa5 |
gtk_hsv_new (void)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
return g_object_new (GTK_TYPE_HSV, NULL);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/**
|
|
Packit Service |
fb6fa5 |
* gtk_hsv_set_color:
|
|
Packit Service |
fb6fa5 |
* @hsv: An HSV color selector
|
|
Packit Service |
fb6fa5 |
* @h: Hue
|
|
Packit Service |
fb6fa5 |
* @s: Saturation
|
|
Packit Service |
fb6fa5 |
* @v: Value
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Sets the current color in an HSV color selector.
|
|
Packit Service |
fb6fa5 |
* Color component values must be in the [0.0, 1.0] range.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Since: 2.14
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_color (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
gdouble h,
|
|
Packit Service |
fb6fa5 |
gdouble s,
|
|
Packit Service |
fb6fa5 |
gdouble v)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (GTK_IS_HSV (hsv));
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (h >= 0.0 && h <= 1.0);
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (s >= 0.0 && s <= 1.0);
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (v >= 0.0 && v <= 1.0);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv->h = h;
|
|
Packit Service |
fb6fa5 |
priv->s = s;
|
|
Packit Service |
fb6fa5 |
priv->v = v;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
g_signal_emit (hsv, hsv_signals[CHANGED], 0);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_widget_queue_draw (GTK_WIDGET (hsv));
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/**
|
|
Packit Service |
fb6fa5 |
* gtk_hsv_get_color:
|
|
Packit Service |
fb6fa5 |
* @hsv: An HSV color selector
|
|
Packit Service |
fb6fa5 |
* @h: (out): Return value for the hue
|
|
Packit Service |
fb6fa5 |
* @s: (out): Return value for the saturation
|
|
Packit Service |
fb6fa5 |
* @v: (out): Return value for the value
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Queries the current color in an HSV color selector.
|
|
Packit Service |
fb6fa5 |
* Returned values will be in the [0.0, 1.0] range.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Since: 2.14
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_get_color (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
double *h,
|
|
Packit Service |
fb6fa5 |
double *s,
|
|
Packit Service |
fb6fa5 |
double *v)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (GTK_IS_HSV (hsv));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (h)
|
|
Packit Service |
fb6fa5 |
*h = priv->h;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (s)
|
|
Packit Service |
fb6fa5 |
*s = priv->s;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (v)
|
|
Packit Service |
fb6fa5 |
*v = priv->v;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/**
|
|
Packit Service |
fb6fa5 |
* gtk_hsv_set_metrics:
|
|
Packit Service |
fb6fa5 |
* @hsv: An HSV color selector
|
|
Packit Service |
fb6fa5 |
* @size: Diameter for the hue ring
|
|
Packit Service |
fb6fa5 |
* @ring_width: Width of the hue ring
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Sets the size and ring width of an HSV color selector.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Since: 2.14
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_metrics (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
gint size,
|
|
Packit Service |
fb6fa5 |
gint ring_width)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
int same_size;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (GTK_IS_HSV (hsv));
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (size > 0);
|
|
Packit Service |
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g_return_if_fail (ring_width > 0);
|
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fb6fa5 |
g_return_if_fail (2 * ring_width + 1 <= size);
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fb6fa5 |
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fb6fa5 |
priv = hsv->priv;
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fb6fa5 |
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fb6fa5 |
same_size = (priv->size == size);
|
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fb6fa5 |
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Packit Service |
fb6fa5 |
priv->size = size;
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fb6fa5 |
priv->ring_width = ring_width;
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Packit Service |
fb6fa5 |
|
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Packit Service |
fb6fa5 |
if (same_size)
|
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Packit Service |
fb6fa5 |
gtk_widget_queue_draw (GTK_WIDGET (hsv));
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Packit Service |
fb6fa5 |
else
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fb6fa5 |
gtk_widget_queue_resize (GTK_WIDGET (hsv));
|
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fb6fa5 |
}
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Packit Service |
fb6fa5 |
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Packit Service |
fb6fa5 |
/**
|
|
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fb6fa5 |
* gtk_hsv_get_metrics:
|
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Packit Service |
fb6fa5 |
* @hsv: An HSV color selector
|
|
Packit Service |
fb6fa5 |
* @size: (out): Return value for the diameter of the hue ring
|
|
Packit Service |
fb6fa5 |
* @ring_width: (out): Return value for the width of the hue ring
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Queries the size and ring width of an HSV color selector.
|
|
Packit Service |
fb6fa5 |
*
|
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Packit Service |
fb6fa5 |
* Since: 2.14
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_get_metrics (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
gint *size,
|
|
Packit Service |
fb6fa5 |
gint *ring_width)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (GTK_IS_HSV (hsv));
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (size)
|
|
Packit Service |
fb6fa5 |
*size = priv->size;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (ring_width)
|
|
Packit Service |
fb6fa5 |
*ring_width = priv->ring_width;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/**
|
|
Packit Service |
fb6fa5 |
* gtk_hsv_is_adjusting:
|
|
Packit Service |
fb6fa5 |
* @hsv: A #GtkHSV
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* An HSV color selector can be said to be adjusting if multiple rapid
|
|
Packit Service |
fb6fa5 |
* changes are being made to its value, for example, when the user is
|
|
Packit Service |
fb6fa5 |
* adjusting the value with the mouse. This function queries whether
|
|
Packit Service |
fb6fa5 |
* the HSV color selector is being adjusted or not.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Return value: %TRUE if clients can ignore changes to the color value,
|
|
Packit Service |
fb6fa5 |
* since they may be transitory, or %FALSE if they should consider
|
|
Packit Service |
fb6fa5 |
* the color value status to be final.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Since: 2.14
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
gboolean
|
|
Packit Service |
fb6fa5 |
gtk_hsv_is_adjusting (GtkHSV *hsv)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
g_return_val_if_fail (GTK_IS_HSV (hsv), FALSE);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
return priv->mode != DRAG_NONE;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/**
|
|
Packit Service |
fb6fa5 |
* gtk_hsv_to_rgb:
|
|
Packit Service |
fb6fa5 |
* @h: Hue
|
|
Packit Service |
fb6fa5 |
* @s: Saturation
|
|
Packit Service |
fb6fa5 |
* @v: Value
|
|
Packit Service |
fb6fa5 |
* @r: (out): Return value for the red component
|
|
Packit Service |
fb6fa5 |
* @g: (out): Return value for the green component
|
|
Packit Service |
fb6fa5 |
* @b: (out): Return value for the blue component
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Converts a color from HSV space to RGB.
|
|
Packit Service |
fb6fa5 |
* Input values must be in the [0.0, 1.0] range;
|
|
Packit Service |
fb6fa5 |
* output values will be in the same range.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Since: 2.14
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_to_rgb (gdouble h,
|
|
Packit Service |
fb6fa5 |
gdouble s,
|
|
Packit Service |
fb6fa5 |
gdouble v,
|
|
Packit Service |
fb6fa5 |
gdouble *r,
|
|
Packit Service |
fb6fa5 |
gdouble *g,
|
|
Packit Service |
fb6fa5 |
gdouble *b)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (h >= 0.0 && h <= 1.0);
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (s >= 0.0 && s <= 1.0);
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (v >= 0.0 && v <= 1.0);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hsv_to_rgb (&h, &s, &v);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (r)
|
|
Packit Service |
fb6fa5 |
*r = h;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (g)
|
|
Packit Service |
fb6fa5 |
*g = s;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (b)
|
|
Packit Service |
fb6fa5 |
*b = v;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/**
|
|
Packit Service |
fb6fa5 |
* gtk_rgb_to_hsv:
|
|
Packit Service |
fb6fa5 |
* @r: Red
|
|
Packit Service |
fb6fa5 |
* @g: Green
|
|
Packit Service |
fb6fa5 |
* @b: Blue
|
|
Packit Service |
fb6fa5 |
* @h: (out): Return value for the hue component
|
|
Packit Service |
fb6fa5 |
* @s: (out): Return value for the saturation component
|
|
Packit Service |
fb6fa5 |
* @v: (out): Return value for the value component
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Converts a color from RGB space to HSV.
|
|
Packit Service |
fb6fa5 |
* Input values must be in the [0.0, 1.0] range;
|
|
Packit Service |
fb6fa5 |
* output values will be in the same range.
|
|
Packit Service |
fb6fa5 |
*
|
|
Packit Service |
fb6fa5 |
* Since: 2.14
|
|
Packit Service |
fb6fa5 |
*/
|
|
Packit Service |
fb6fa5 |
void
|
|
Packit Service |
fb6fa5 |
gtk_rgb_to_hsv (gdouble r,
|
|
Packit Service |
fb6fa5 |
gdouble g,
|
|
Packit Service |
fb6fa5 |
gdouble b,
|
|
Packit Service |
fb6fa5 |
gdouble *h,
|
|
Packit Service |
fb6fa5 |
gdouble *s,
|
|
Packit Service |
fb6fa5 |
gdouble *v)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (r >= 0.0 && r <= 1.0);
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (g >= 0.0 && g <= 1.0);
|
|
Packit Service |
fb6fa5 |
g_return_if_fail (b >= 0.0 && b <= 1.0);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
rgb_to_hsv (&r, &g, &b);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (h)
|
|
Packit Service |
fb6fa5 |
*h = r;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (s)
|
|
Packit Service |
fb6fa5 |
*s = g;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
if (v)
|
|
Packit Service |
fb6fa5 |
*v = b;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
static void
|
|
Packit Service |
fb6fa5 |
gtk_hsv_move (GtkHSV *hsv,
|
|
Packit Service |
fb6fa5 |
GtkDirectionType dir)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
HSVPrivate *priv;
|
|
Packit Service |
fb6fa5 |
gdouble hue, sat, val;
|
|
Packit Service |
fb6fa5 |
gint hx, hy, sx, sy, vx, vy; /* HSV vertices */
|
|
Packit Service |
fb6fa5 |
gint x, y; /* position in triangle */
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
priv = hsv->priv;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
hue = priv->h;
|
|
Packit Service |
fb6fa5 |
sat = priv->s;
|
|
Packit Service |
fb6fa5 |
val = priv->v;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
compute_triangle (hsv, &hx, &hy, &sx, &sy, &vx, &vy;;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
x = floor (sx + (vx - sx) * priv->v + (hx - vx) * priv->s * priv->v + 0.5);
|
|
Packit Service |
fb6fa5 |
y = floor (sy + (vy - sy) * priv->v + (hy - vy) * priv->s * priv->v + 0.5);
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
#define HUE_DELTA 0.002
|
|
Packit Service |
fb6fa5 |
switch (dir)
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_UP:
|
|
Packit Service |
fb6fa5 |
if (priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
hue += HUE_DELTA;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
y -= 1;
|
|
Packit Service |
fb6fa5 |
compute_sv (hsv, x, y, &sat, &val;;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_DOWN:
|
|
Packit Service |
fb6fa5 |
if (priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
hue -= HUE_DELTA;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
y += 1;
|
|
Packit Service |
fb6fa5 |
compute_sv (hsv, x, y, &sat, &val;;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_LEFT:
|
|
Packit Service |
fb6fa5 |
if (priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
hue += HUE_DELTA;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
x -= 1;
|
|
Packit Service |
fb6fa5 |
compute_sv (hsv, x, y, &sat, &val;;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
case GTK_DIR_RIGHT:
|
|
Packit Service |
fb6fa5 |
if (priv->focus_on_ring)
|
|
Packit Service |
fb6fa5 |
hue -= HUE_DELTA
|
|
Packit Service |
fb6fa5 |
;
|
|
Packit Service |
fb6fa5 |
else
|
|
Packit Service |
fb6fa5 |
{
|
|
Packit Service |
fb6fa5 |
x += 1;
|
|
Packit Service |
fb6fa5 |
compute_sv (hsv, x, y, &sat, &val;;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
default:
|
|
Packit Service |
fb6fa5 |
/* we don't care about the tab directions */
|
|
Packit Service |
fb6fa5 |
break;
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
/* Wrap */
|
|
Packit Service |
fb6fa5 |
if (hue < 0.0)
|
|
Packit Service |
fb6fa5 |
hue = 1.0;
|
|
Packit Service |
fb6fa5 |
else if (hue > 1.0)
|
|
Packit Service |
fb6fa5 |
hue = 0.0;
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
gtk_hsv_set_color (hsv, hue, sat, val);
|
|
Packit Service |
fb6fa5 |
}
|
|
Packit Service |
fb6fa5 |
|
|
Packit Service |
fb6fa5 |
#define __GTK_HSV_C__
|
|
Packit Service |
fb6fa5 |
#include "gtkaliasdef.c"
|