1 /* Spectool signal graph 2 * 3 * GTK widget implementation 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 18 * Boston, MA 02111-1307, USA. 19 */ 20 21 #include "config.h" 22 23 #ifndef __SPECTOOL_SPECTRAL_WIDGET_H__ 24 #define __SPECTOOL_SPECTRAL_WIDGET_H__ 25 26 #ifdef HAVE_GTK 27 28 #include <glib.h> 29 #include <glib-object.h> 30 31 #include "spectool_container.h" 32 #include "spectool_gtk_hw_registry.h" 33 #include "spectool_gtk_widget.h" 34 35 G_BEGIN_DECLS 36 37 #define SPECTOOL_TYPE_SPECTRAL \ 38 (spectool_spectral_get_type()) 39 #define SPECTOOL_SPECTRAL(obj) \ 40 (G_TYPE_CHECK_INSTANCE_CAST((obj), \ 41 SPECTOOL_TYPE_SPECTRAL, SpectoolSpectral)) 42 #define SPECTOOL_SPECTRAL_CLASS(klass) \ 43 (G_TYPE_CHECK_CLASS_CAST((klass), \ 44 SPECTOOL_TYPE_SPECTRAL, SpectoolSpectralClass)) 45 #define IS_SPECTOOL_SPECTRAL(obj) \ 46 (G_TYPE_CHECK_INSTANCE_TYPE((obj), \ 47 SPECTOOL_TYPE_SPECTRAL)) 48 #define IS_SPECTOOL_SPECTRAL_CLASS(klass) \ 49 (G_TYPE_CHECK_CLASS_TYPE((class), \ 50 SPECTOOL_TYPE_SPECTRAL)) 51 52 typedef struct _SpectoolSpectral SpectoolSpectral; 53 typedef struct _SpectoolSpectralClass SpectoolSpectralClass; 54 55 #define SPECTOOL_SPECTRAL_NUM_SAMPLES 100 56 57 /* Access the color array */ 58 #define SPECTOOL_SPECTRAL_COLOR(a, b, c) ((a)[((b) * 3) + c]) 59 60 struct _SpectoolSpectral { 61 SpectoolWidget parent; 62 63 GtkWidget *sweepinfo; 64 65 GtkWidget *legend_pix; 66 67 float *colormap; 68 int colormap_len; 69 70 GdkPixmap **line_cache; 71 int line_cache_len; 72 int n_sweeps_delta; 73 74 int oldx, oldy; 75 }; 76 77 struct _SpectoolSpectralClass { 78 SpectoolWidgetClass parent_class; 79 }; 80 81 GType spectool_spectral_get_type(void); 82 GtkWidget *spectool_spectral_new(void); 83 void spectool_spectral_clear(void); 84 85 G_END_DECLS 86 87 #endif 88 #endif 89 90