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curve.hh

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00001 /* GFC-UI: GTK+ Foundation Classes (User Interface Library) 00002 * Copyright (C) 2002-2004 The GFC Development Team. 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU Library General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Library General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 */ 00018 00023 00024 #ifndef GFC_GTK_CURVE_HH 00025 #define GFC_GTK_CURVE_HH 00026 00027 #ifndef GFC_GTK_DRAWING_AREA_HH 00028 #include <gfc/gtk/drawingarea.hh> 00029 #endif 00030 00031 #ifndef __GTK_CURVE_H__ 00032 #include <gtk/gtkcurve.h> 00033 #endif 00034 00035 namespace GFC { 00036 00037 namespace Gtk { 00038 00042 00043 enum CurveType 00044 { 00045 CURVE_TYPE_LINEAR = GTK_CURVE_TYPE_LINEAR, 00046 CURVE_TYPE_SPLINE = GTK_CURVE_TYPE_SPLINE, 00047 CURVE_TYPE_FREE = GTK_CURVE_TYPE_FREE 00048 }; 00049 00065 00066 class Curve : public DrawingArea 00067 { 00068 friend class G::Object; 00069 00070 Curve(const Curve&); 00071 Curve& operator=(const Curve&); 00072 00073 protected: 00076 00077 explicit Curve(GtkCurve *curve, bool owns_reference = false); 00084 00088 00089 typedef G::Signal<void> CurveTypeChangedSignalType; 00090 typedef G::SignalProxy<TypeInstance, CurveTypeChangedSignalType> CurveTypeChangedSignalProxy; 00091 static const CurveTypeChangedSignalType curve_type_changed_signal; 00096 00098 00099 public: 00102 00103 Curve(); 00105 00106 virtual ~Curve(); 00108 00112 00113 GtkCurve* gtk_curve() const; 00115 00116 operator GtkCurve* () const; 00118 00119 void get_vector(int count, float data[]) const; 00123 00127 00128 void reset(); 00132 00133 void set_gamma(float gamma); 00140 00141 void set_range(float min_x, float max_x, float min_y, float max_y); 00149 00150 void set_vector(int count, float data[]); 00154 00155 void set_curve_type(CurveType type); 00161 00165 00166 const CurveTypeChangedSignalProxy sig_curve_type_changed(); 00168 00170 }; 00171 00172 } // namespace Gtk 00173 00174 } // namespace GFC 00175 00176 #include <gfc/gtk/inline/curve.inl> 00177 00178 #endif // GFC_GTK_CURVE_HH 00179

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