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Viewing changes to src/gui/libgtkwaveform/gtkwavebuffer.c

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Kobras
  • Date: 2002-04-09 17:14:12 UTC
  • Revision ID: james.westby@ubuntu.com-20020409171412-jzpnov7mbz2w6zsr
Tags: upstream-0.6.2
Import upstream version 0.6.2

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src/gui/libgtkwaveform/gtkwavebuffer.c
 
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/* gtkwavebuffer.c: interface class for read-only wave data
 
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 * Copyright (c) 2000 David A. Bartold
 
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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 Library 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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 * Library General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU Library 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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#include <glib.h>
 
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#include "gtkwavebuffer.h"
 
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#include <gtk/gtksignal.h>
 
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static void gtk_wave_buffer_class_init      (GtkWaveBufferClass *klass);
 
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static void gtk_wave_buffer_init            (GtkWaveBuffer      *wavebuffer);
 
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GtkType
 
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gtk_wave_buffer_get_type (void)
 
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{
 
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  static GtkType wavebuffer_type = 0;
 
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  if (!wavebuffer_type)
 
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    {
 
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      static const GtkTypeInfo wavebuffer_info =
 
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      {
 
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        "GtkWaveBuffer",
 
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        sizeof (GtkWaveBuffer),
 
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        sizeof (GtkWaveBufferClass),
 
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        (GtkClassInitFunc) gtk_wave_buffer_class_init,
 
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        (GtkObjectInitFunc) gtk_wave_buffer_init,
 
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        /* reserved_1 */ NULL,
 
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        /* reserved_2 */ NULL,
 
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        (GtkClassInitFunc) NULL
 
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      };
 
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      wavebuffer_type = gtk_type_unique (GTK_TYPE_OBJECT, &wavebuffer_info);
 
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    }
 
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  return wavebuffer_type;
 
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}
 
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static void
 
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gtk_wave_buffer_class_init (GtkWaveBufferClass *klass)
 
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{
 
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  GtkObjectClass *object_class;
 
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  GtkType type;
 
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  type = gtk_wave_buffer_get_type ();
 
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  object_class = (GtkObjectClass *) klass;
 
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  klass->get_datatype = NULL;
 
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  klass->get_length = NULL;
 
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  klass->get_num_channels = NULL;
 
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  klass->get_samples = NULL;
 
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  modified_signal =
 
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    gtk_signal_new ("modified",
 
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                    GTK_RUN_FIRST,
 
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                    type,
 
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                    GTK_SIGNAL_OFFSET (GtkWaveBufferClass, modified),
 
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                    gtk_marshal_NONE__POINTER,
 
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                    GTK_TYPE_NONE,
 
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                    1, GTK_TYPE_POINTER);
 
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  insert_data_signal =
 
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    gtk_signal_new ("insert_data",
 
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                    GTK_RUN_FIRST,
 
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                    type,
 
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                    GTK_SIGNAL_OFFSET (GtkWaveBufferClass, insert_data),
 
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                    gtk_marshal_NONE__POINTER,
 
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                    GTK_TYPE_NONE,
 
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                    1, GTK_TYPE_POINTER);
 
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  delete_data_signal =
 
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    gtk_signal_new ("delete_data",
 
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                    GTK_RUN_FIRST,
 
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                    type,
 
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                    GTK_SIGNAL_OFFSET (GtkWaveBufferClass, delete_data),
 
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                    gtk_marshal_NONE__POINTER,
 
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                    GTK_TYPE_NONE,
 
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                    1, GTK_TYPE_POINTER);
 
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  gtk_object_class_add_signals (object_class, &modified_signal, 1);
 
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  gtk_object_class_add_signals (object_class, &insert_data_signal, 1);
 
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  gtk_object_class_add_signals (object_class, &delete_data_signal, 1);
 
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  klass->modified = NULL;
 
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  klass->insert_data = NULL;
 
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  klass->delete_data = NULL;
 
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}
 
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static void
 
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gtk_wave_buffer_init (GtkWaveBuffer *wavebuffer)
 
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{
 
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}
 
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guint32
 
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gtk_wave_buffer_get_num_channels (GtkWaveBuffer *wavebuffer)
 
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{
 
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  return GTK_WAVE_BUFFER_CLASS (G_OBJECT_GET_CLASS (wavebuffer))->get_num_channels (wavebuffer);
 
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}
 
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guint32
 
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gtk_wave_buffer_get_rate (GtkWaveBuffer *wavebuffer)
 
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{
 
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  return GTK_WAVE_BUFFER_CLASS (G_OBJECT_GET_CLASS (wavebuffer))->get_rate (wavebuffer);
 
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}
 
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guint32
 
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gtk_wave_buffer_get_length (GtkWaveBuffer *wavebuffer)
 
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{
 
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  return GTK_WAVE_BUFFER_CLASS (G_OBJECT_GET_CLASS (wavebuffer))->get_length (wavebuffer);
 
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}
 
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GWavefileType
 
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gtk_wave_buffer_get_datatype (GtkWaveBuffer *wavebuffer)
 
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{
 
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  return GTK_WAVE_BUFFER_CLASS (G_OBJECT_GET_CLASS (wavebuffer))->get_datatype (wavebuffer);
 
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}
 
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void
 
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gtk_wave_buffer_get_samples (GtkWaveBuffer *wavebuffer,
 
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                             guint32        start,
 
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                             guint32        length,
 
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                             guint32        channel_mask,
 
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                             gpointer       data)
 
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{
 
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  GTK_WAVE_BUFFER_CLASS (G_OBJECT_GET_CLASS (wavebuffer))->get_samples (wavebuffer, start, length, channel_mask, data);
 
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}