-/*
- Copyright (C) 2000-2002 Paul Davis
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id$
-*/
-
-#include <stdio.h>
-#include <math.h>
-#include <libgnomecanvas/libgnomecanvas.h>
-#include <string.h>
-#include <limits.h>
-
-#include <ardour/dB.h>
-
-#include "canvas-waveview.h"
-#include "rgb_macros.h"
-
-enum {
- ARG_0,
- ARG_DATA_SRC,
- ARG_CHANNEL,
- ARG_LENGTH_FUNCTION,
- ARG_PEAK_FUNCTION,
- ARG_GAIN_FUNCTION,
- ARG_GAIN_SRC,
- ARG_CACHE,
- ARG_CACHE_UPDATER,
- ARG_SAMPLES_PER_PIXEL,
- ARG_AMPLITUDE_ABOVE_AXIS,
- ARG_X,
- ARG_Y,
- ARG_HEIGHT,
- ARG_WAVE_COLOR,
- ARG_RECTIFIED,
- ARG_SOURCEFILE_LENGTH_FUNCTION,
- ARG_REGION_START
-};
-
-static void gnome_canvas_waveview_class_init (GnomeCanvasWaveViewClass *class);
-static void gnome_canvas_waveview_init (GnomeCanvasWaveView *waveview);
-static void gnome_canvas_waveview_set_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-static void gnome_canvas_waveview_get_arg (GtkObject *object,
- GtkArg *arg,
- guint arg_id);
-
-static void gnome_canvas_waveview_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags);
-static void gnome_canvas_waveview_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2);
-static double gnome_canvas_waveview_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item);
-
-static void gnome_canvas_waveview_render (GnomeCanvasItem *item, GnomeCanvasBuf *buf);
-static void gnome_canvas_waveview_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int w, int h);
-
-static void gnome_canvas_waveview_set_data_src (GnomeCanvasWaveView *, void *);
-static void gnome_canvas_waveview_set_channel (GnomeCanvasWaveView *, guint32);
-
-static gint32 gnome_canvas_waveview_ensure_cache (GnomeCanvasWaveView *waveview, gulong start_sample, gulong end_sample);
-
-static GnomeCanvasItemClass *parent_class;
-
-GtkType
-gnome_canvas_waveview_get_type (void)
-{
- static GtkType waveview_type = 0;
-
- if (!waveview_type) {
- GtkTypeInfo waveview_info = {
- "GnomeCanvasWaveView",
- sizeof (GnomeCanvasWaveView),
- sizeof (GnomeCanvasWaveViewClass),
- (GtkClassInitFunc) gnome_canvas_waveview_class_init,
- (GtkObjectInitFunc) gnome_canvas_waveview_init,
- NULL, /* reserved_1 */
- NULL, /* reserved_2 */
- (GtkClassInitFunc) NULL
- };
-
- waveview_type = gtk_type_unique (gnome_canvas_item_get_type (), &waveview_info);
- }
+ /*
+ Copyright (C) 2000-2002 Paul Davis
- return waveview_type;
-}
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-static void
-gnome_canvas_waveview_class_init (GnomeCanvasWaveViewClass *class)
-{
- GtkObjectClass *object_class;
- GnomeCanvasItemClass *item_class;
-
- object_class = (GtkObjectClass *) class;
- item_class = (GnomeCanvasItemClass *) class;
-
- parent_class = gtk_type_class (gnome_canvas_item_get_type ());
-
- gtk_object_add_arg_type ("GnomeCanvasWaveView::data_src", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_DATA_SRC);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::channel", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_CHANNEL);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::length_function", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_LENGTH_FUNCTION);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::sourcefile_length_function", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_SOURCEFILE_LENGTH_FUNCTION);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::peak_function", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_PEAK_FUNCTION);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::gain_function", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_GAIN_FUNCTION);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::gain_src", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_GAIN_SRC);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::cache", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_CACHE);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::cache_updater", GTK_TYPE_POINTER, GTK_ARG_READWRITE, ARG_CACHE_UPDATER);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::samples_per_unit", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_SAMPLES_PER_PIXEL);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::amplitude_above_axis", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_AMPLITUDE_ABOVE_AXIS);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::x", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_X);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::y", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_Y);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::height", GTK_TYPE_DOUBLE, GTK_ARG_READWRITE, ARG_HEIGHT);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::wave_color", GTK_TYPE_INT, GTK_ARG_READWRITE, ARG_WAVE_COLOR);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::rectified", GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_RECTIFIED);
- gtk_object_add_arg_type ("GnomeCanvasWaveView::region_start", GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_REGION_START);
-
- object_class->set_arg = gnome_canvas_waveview_set_arg;
- object_class->get_arg = gnome_canvas_waveview_get_arg;
-
- item_class->update = gnome_canvas_waveview_update;
- item_class->bounds = gnome_canvas_waveview_bounds;
- item_class->point = gnome_canvas_waveview_point;
- item_class->render = gnome_canvas_waveview_render;
- item_class->draw = gnome_canvas_waveview_draw;
-}
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ $Id$
+ */
+
+ #include <stdio.h>
+ #include <math.h>
+ #include <libgnomecanvas/libgnomecanvas.h>
+ #include <string.h>
+ #include <limits.h>
+
+ #include <ardour/dB.h>
+
+ #include "canvas-waveview.h"
+ #include "rgb_macros.h"
+
+ enum {
+ PROP_0,
+ PROP_DATA_SRC,
+ PROP_CHANNEL,
+ PROP_LENGTH_FUNCTION,
+ PROP_SOURCEFILE_LENGTH_FUNCTION,
+ PROP_PEAK_FUNCTION,
+ PROP_GAIN_FUNCTION,
+ PROP_GAIN_SRC,
+ PROP_CACHE,
+ PROP_CACHE_UPDATER,
+ PROP_SAMPLES_PER_UNIT,
+ PROP_AMPLITUDE_ABOVE_AXIS,
+ PROP_X,
+ PROP_Y,
+ PROP_HEIGHT,
+ PROP_WAVE_COLOR,
+ PROP_RECTIFIED,
+ PROP_REGION_START
+ };
+
+ static void gnome_canvas_waveview_class_init (GnomeCanvasWaveViewClass *class);
+
+ static void gnome_canvas_waveview_init (GnomeCanvasWaveView *waveview);
+
+ static void gnome_canvas_waveview_destroy (GtkObject *object);
+
+ static void gnome_canvas_waveview_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+ static void gnome_canvas_waveview_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+ static void gnome_canvas_waveview_update (GnomeCanvasItem *item,
+ double *affine,
+ ArtSVP *clip_path,
+ int flags);
+
+ static void gnome_canvas_waveview_bounds (GnomeCanvasItem *item,
+ double *x1,
+ double *y1,
+ double *x2,
+ double *y2);
+
+ static double gnome_canvas_waveview_point (GnomeCanvasItem *item,
+ double x,
+ double y,
+ int cx,
+ int cy,
+ GnomeCanvasItem **actual_item);
+
+ static void gnome_canvas_waveview_render (GnomeCanvasItem *item,
+ GnomeCanvasBuf *buf);
+
+ static void gnome_canvas_waveview_draw (GnomeCanvasItem *item,
+ GdkDrawable *drawable,
+ int x,
+ int y,
+ int w,
+ int h);
+
+ static void gnome_canvas_waveview_set_data_src (GnomeCanvasWaveView *,
+ void *);
+
+ static void gnome_canvas_waveview_set_channel (GnomeCanvasWaveView *,
+ guint32);
+
+ static gint32 gnome_canvas_waveview_ensure_cache (GnomeCanvasWaveView *waveview,
+ gulong start_sample,
+ gulong end_sample);
+
+ static GnomeCanvasItemClass *parent_class;
+
+ GType
+ gnome_canvas_waveview_get_type (void)
+ {
+ static GType waveview_type;
+
+ if (!waveview_type) {
+ static const GTypeInfo object_info = {
+ sizeof (GnomeCanvasWaveViewClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) gnome_canvas_waveview_class_init,
+ (GClassFinalizeFunc) NULL,
+ NULL, /* class_data */
+ sizeof (GnomeCanvasWaveView),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) gnome_canvas_waveview_init,
+ NULL /* value_table */
+ };
+
+ waveview_type = g_type_register_static (GNOME_TYPE_CANVAS_ITEM, "GnomeCanvasWaveView",
+ &object_info, 0);
+ }
+
+ return waveview_type;
+ }
+
+ static void
+ gnome_canvas_waveview_class_init (GnomeCanvasWaveViewClass *class)
+ {
+ GObjectClass *gobject_class;
+ GtkObjectClass *object_class;
+ GnomeCanvasItemClass *item_class;
+
+ gobject_class = (GObjectClass *) class;
+ object_class = (GtkObjectClass *) class;
+ item_class = (GnomeCanvasItemClass *) class;
+
+ parent_class = g_type_class_peek_parent (class);
+
+ gobject_class->set_property = gnome_canvas_waveview_set_property;
+ gobject_class->get_property = gnome_canvas_waveview_get_property;
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_DATA_SRC,
+ g_param_spec_pointer ("data_src", NULL, NULL,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_CHANNEL,
+ g_param_spec_uint ("channel", NULL, NULL,
+ 0, G_MAXUINT, 0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_LENGTH_FUNCTION,
+ g_param_spec_pointer ("length_function", NULL, NULL,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_SOURCEFILE_LENGTH_FUNCTION,
+ g_param_spec_pointer ("sourcefile_length_function", NULL, NULL,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_PEAK_FUNCTION,
+ g_param_spec_pointer ("peak_function", NULL, NULL,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_GAIN_FUNCTION,
+ g_param_spec_pointer ("gain_function", NULL, NULL,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_GAIN_SRC,
+ g_param_spec_pointer ("gain_src", NULL, NULL,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_CACHE,
+ g_param_spec_pointer ("cache", NULL, NULL,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_CACHE_UPDATER,
+ g_param_spec_boolean ("cache_updater", NULL, NULL,
+ FALSE,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_SAMPLES_PER_UNIT,
+ g_param_spec_double ("samples_per_unit", NULL, NULL,
+ 0.0, G_MAXDOUBLE, 0.0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_AMPLITUDE_ABOVE_AXIS,
+ g_param_spec_double ("amplitude_above_axis", NULL, NULL,
+ 0.0, G_MAXDOUBLE, 0.0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_X,
+ g_param_spec_double ("x", NULL, NULL,
+ 0.0, G_MAXDOUBLE, 0.0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_Y,
+ g_param_spec_double ("y", NULL, NULL,
+ 0.0, G_MAXDOUBLE, 0.0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_HEIGHT,
+ g_param_spec_double ("height", NULL, NULL,
+ 0.0, G_MAXDOUBLE, 0.0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_WAVE_COLOR,
+ g_param_spec_uint ("wave_color", NULL, NULL,
+ 0, G_MAXUINT, 0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_RECTIFIED,
+ g_param_spec_boolean ("rectified", NULL, NULL,
+ FALSE,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ g_object_class_install_property
+ (gobject_class,
+ PROP_REGION_START,
+ g_param_spec_uint ("region_start", NULL, NULL,
+ 0, G_MAXUINT, 0,
+ (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+ object_class->destroy = gnome_canvas_waveview_destroy;
+
+ item_class->update = gnome_canvas_waveview_update;
+ item_class->bounds = gnome_canvas_waveview_bounds;
+ item_class->point = gnome_canvas_waveview_point;
+ item_class->render = gnome_canvas_waveview_render;
+ item_class->draw = gnome_canvas_waveview_draw;
+ }
GnomeCanvasWaveViewCache*
gnome_canvas_waveview_cache_new ()
waveview->reload_cache_in_render = FALSE;
waveview->wave_color = RGBA_TO_UINT(44,35,126,255);
+}
+
+static void
+gnome_canvas_waveview_destroy (GtkObject *object)
+{
+ GnomeCanvasWaveView *waveview;
- GNOME_CANVAS_ITEM(waveview)->object.flags |= GNOME_CANVAS_ITEM_NO_AUTO_REDRAW;
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GNOME_IS_CANVAS_WAVEVIEW (object));
+
+ waveview = GNOME_CANVAS_WAVEVIEW (object);
+
+ if (GTK_OBJECT_CLASS (parent_class)->destroy)
+ (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
#define DEBUG_CACHE 0
gulong npeaks;
gulong offset;
gulong ostart;
- gulong present_frames;
- gulong present_entries;
gulong copied;
GnomeCanvasWaveViewCache *cache;
float* gain;
/* but make sure it doesn't extend beyond the end of the source material */
- rf3 = (gulong) (waveview->sourcefile_length_function (waveview->data_src)) + 1;
- rf3 -= new_cache_start;
+ rf3 = (gulong) (waveview->sourcefile_length_function (waveview->data_src, waveview->samples_per_unit)) + 1;
+ if (rf3 < new_cache_start) {
+ rf3 = 0;
+ } else {
+ rf3 -= new_cache_start;
+ }
#if DEBUG_CACHE
fprintf (stderr, "\n\nAVAILABLE FRAMES = %lu of %lu, start = %lu, sstart = %lu, cstart = %lu\n",
- rf3, waveview->sourcefile_length_function (waveview->data_src),
+ rf3, waveview->sourcefile_length_function (waveview->data_src, waveview->samples_per_unit),
waveview->region_start, start_sample, new_cache_start);
#endif
#if DEBUG_CACHE
fprintf (stderr, "new cache = %lu - %lu\n", new_cache_start, new_cache_end);
- fprintf(stderr,"required_cach_entries = %lu, samples_per_unit = %f\n",
- required_cache_entries,waveview->samples_per_unit);
+ fprintf(stderr,"required_cach_entries = %lu, samples_per_unit = %f req frames = %lu\n",
+ required_cache_entries,waveview->samples_per_unit, required_frames);
#endif
if (required_cache_entries > cache->allocated) {
// fprintf(stderr,"length == %lu\n",waveview->length_function (waveview->data_src));
// required_frames = MIN (waveview->length_function (waveview->data_src) - new_cache_start, required_frames);
+
npeaks = (gulong) floor (required_frames / waveview->samples_per_unit);
- npeaks = MAX (1, npeaks);
required_frames = npeaks * waveview->samples_per_unit;
#if DEBUG_CACHE
// start_sample, end_sample);
#endif
- waveview->peak_function (waveview->data_src, npeaks, new_cache_start, required_frames, cache->data + offset, waveview->channel,waveview->samples_per_unit);
+ if (required_frames) {
+ waveview->peak_function (waveview->data_src, npeaks, new_cache_start, required_frames, cache->data + offset, waveview->channel,waveview->samples_per_unit);
- /* take into account any copied peaks */
-
- npeaks += copied;
+ /* take into account any copied peaks */
+
+ npeaks += copied;
+ } else {
+ npeaks = copied;
+ }
if (npeaks < cache->allocated) {
#if DEBUG_CACHE
*/
static void
-gnome_canvas_waveview_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
+gnome_canvas_waveview_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+
{
GnomeCanvasItem *item;
GnomeCanvasWaveView *waveview;
- int redraw;
- int calc_bounds;
+ int redraw = FALSE;
+ int calc_bounds = FALSE;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GNOME_IS_CANVAS_WAVEVIEW (object));
item = GNOME_CANVAS_ITEM (object);
waveview = GNOME_CANVAS_WAVEVIEW (object);
- redraw = FALSE;
- calc_bounds = FALSE;
-
- switch (arg_id) {
- case ARG_DATA_SRC:
- gnome_canvas_waveview_set_data_src (waveview, GTK_VALUE_POINTER(*arg));
+ switch (prop_id) {
+ case PROP_DATA_SRC:
+ gnome_canvas_waveview_set_data_src (waveview, g_value_get_pointer(value));
redraw = TRUE;
break;
- case ARG_CHANNEL:
- gnome_canvas_waveview_set_channel (waveview, GTK_VALUE_UINT(*arg));
+ case PROP_CHANNEL:
+ gnome_canvas_waveview_set_channel (waveview, g_value_get_uint(value));
redraw = TRUE;
break;
- case ARG_LENGTH_FUNCTION:
- waveview->length_function = GTK_VALUE_POINTER(*arg);
+ case PROP_LENGTH_FUNCTION:
+ waveview->length_function = g_value_get_pointer(value);
redraw = TRUE;
break;
- case ARG_SOURCEFILE_LENGTH_FUNCTION:
- waveview->sourcefile_length_function = GTK_VALUE_POINTER(*arg);
+ case PROP_SOURCEFILE_LENGTH_FUNCTION:
+ waveview->sourcefile_length_function = g_value_get_pointer(value);
redraw = TRUE;
break;
- case ARG_PEAK_FUNCTION:
- waveview->peak_function = GTK_VALUE_POINTER(*arg);
+ case PROP_PEAK_FUNCTION:
+ waveview->peak_function = g_value_get_pointer(value);
redraw = TRUE;
break;
- case ARG_GAIN_FUNCTION:
- waveview->gain_curve_function = GTK_VALUE_POINTER(*arg);
+ case PROP_GAIN_FUNCTION:
+ waveview->gain_curve_function = g_value_get_pointer(value);
redraw = TRUE;
break;
- case ARG_GAIN_SRC:
- waveview->gain_src = GTK_VALUE_POINTER(*arg);
+ case PROP_GAIN_SRC:
+ waveview->gain_src = g_value_get_pointer(value);
if (waveview->cache_updater) {
waveview->cache->start = 0;
waveview->cache->end = 0;
calc_bounds = TRUE;
break;
- case ARG_CACHE:
- waveview->cache = GTK_VALUE_POINTER(*arg);
+ case PROP_CACHE:
+ waveview->cache = g_value_get_pointer(value);
redraw = TRUE;
break;
- case ARG_CACHE_UPDATER:
- waveview->cache_updater = GTK_VALUE_BOOL(*arg);
+ case PROP_CACHE_UPDATER:
+ waveview->cache_updater = g_value_get_boolean(value);
redraw = TRUE;
break;
- case ARG_SAMPLES_PER_PIXEL:
- if ((waveview->samples_per_unit = GTK_VALUE_DOUBLE(*arg)) < 1.0) {
+ case PROP_SAMPLES_PER_UNIT:
+ if ((waveview->samples_per_unit = g_value_get_double(value)) < 1.0) {
waveview->samples_per_unit = 1.0;
}
if (waveview->cache_updater) {
calc_bounds = TRUE;
break;
- case ARG_AMPLITUDE_ABOVE_AXIS:
- waveview->amplitude_above_axis = GTK_VALUE_DOUBLE(*arg);
+ case PROP_AMPLITUDE_ABOVE_AXIS:
+ waveview->amplitude_above_axis = g_value_get_double(value);
redraw = TRUE;
break;
- case ARG_X:
- if (waveview->x != GTK_VALUE_DOUBLE (*arg)) {
- waveview->x = GTK_VALUE_DOUBLE (*arg);
+ case PROP_X:
+ if (waveview->x != g_value_get_double (value)) {
+ waveview->x = g_value_get_double (value);
calc_bounds = TRUE;
}
break;
- case ARG_Y:
- if (waveview->y != GTK_VALUE_DOUBLE (*arg)) {
- waveview->y = GTK_VALUE_DOUBLE (*arg);
+ case PROP_Y:
+ if (waveview->y != g_value_get_double (value)) {
+ waveview->y = g_value_get_double (value);
calc_bounds = TRUE;
}
break;
- case ARG_HEIGHT:
- if (waveview->height != fabs (GTK_VALUE_DOUBLE (*arg))) {
- waveview->height = fabs (GTK_VALUE_DOUBLE (*arg));
+ case PROP_HEIGHT:
+ if (waveview->height != fabs (g_value_get_double (value))) {
+ waveview->height = fabs (g_value_get_double (value));
redraw = TRUE;
}
break;
- case ARG_WAVE_COLOR:
- if (waveview->wave_color != GTK_VALUE_INT(*arg)) {
- waveview->wave_color = GTK_VALUE_INT(*arg);
+ case PROP_WAVE_COLOR:
+ if (waveview->wave_color != g_value_get_uint(value)) {
+ waveview->wave_color = g_value_get_uint(value);
redraw = TRUE;
}
break;
- case ARG_RECTIFIED:
- if (waveview->rectified != GTK_VALUE_BOOL(*arg)) {
- waveview->rectified = GTK_VALUE_BOOL(*arg);
+ case PROP_RECTIFIED:
+ if (waveview->rectified != g_value_get_boolean(value)) {
+ waveview->rectified = g_value_get_boolean(value);
redraw = TRUE;
}
break;
- case ARG_REGION_START:
- waveview->region_start = GTK_VALUE_UINT(*arg);
+ case PROP_REGION_START:
+ waveview->region_start = g_value_get_uint(value);
redraw = TRUE;
calc_bounds = TRUE;
break;
}
static void
-gnome_canvas_waveview_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
+gnome_canvas_waveview_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- GnomeCanvasWaveView *waveview;
+
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GNOME_IS_CANVAS_WAVEVIEW (object));
- waveview = GNOME_CANVAS_WAVEVIEW (object);
+ GnomeCanvasWaveView *waveview = GNOME_CANVAS_WAVEVIEW (object);
- switch (arg_id) {
- case ARG_DATA_SRC:
- GTK_VALUE_POINTER(*arg) = waveview->data_src;
+ switch (prop_id) {
+ case PROP_DATA_SRC:
+ g_value_set_pointer(value, waveview->data_src);
break;
- case ARG_CHANNEL:
- GTK_VALUE_UINT(*arg) = waveview->channel;
+ case PROP_CHANNEL:
+ g_value_set_uint(value, waveview->channel);
break;
- case ARG_LENGTH_FUNCTION:
- GTK_VALUE_POINTER(*arg) = waveview->length_function;
+ case PROP_LENGTH_FUNCTION:
+ g_value_set_pointer(value, waveview->length_function);
break;
- case ARG_SOURCEFILE_LENGTH_FUNCTION:
- GTK_VALUE_POINTER(*arg) = waveview->sourcefile_length_function;
+ case PROP_SOURCEFILE_LENGTH_FUNCTION:
+ g_value_set_pointer(value, waveview->sourcefile_length_function);
break;
- case ARG_PEAK_FUNCTION:
- GTK_VALUE_POINTER(*arg) = waveview->peak_function;
+ case PROP_PEAK_FUNCTION:
+ g_value_set_pointer(value, waveview->peak_function);
break;
- case ARG_GAIN_FUNCTION:
- GTK_VALUE_POINTER(*arg) = waveview->gain_curve_function;
+ case PROP_GAIN_FUNCTION:
+ g_value_set_pointer(value, waveview->gain_curve_function);
break;
- case ARG_GAIN_SRC:
- GTK_VALUE_POINTER(*arg) = waveview->gain_src;
+ case PROP_GAIN_SRC:
+ g_value_set_pointer(value, waveview->gain_src);
break;
- case ARG_CACHE:
- GTK_VALUE_POINTER(*arg) = waveview->cache;
+ case PROP_CACHE:
+ g_value_set_pointer(value, waveview->cache);
break;
- case ARG_CACHE_UPDATER:
- GTK_VALUE_BOOL(*arg) = waveview->cache_updater;
+ case PROP_CACHE_UPDATER:
+ g_value_set_boolean(value, waveview->cache_updater);
break;
- case ARG_SAMPLES_PER_PIXEL:
- GTK_VALUE_DOUBLE(*arg) = waveview->samples_per_unit;
+ case PROP_SAMPLES_PER_UNIT:
+ g_value_set_double(value, waveview->samples_per_unit);
break;
- case ARG_AMPLITUDE_ABOVE_AXIS:
- GTK_VALUE_DOUBLE(*arg) = waveview->amplitude_above_axis;
+ case PROP_AMPLITUDE_ABOVE_AXIS:
+ g_value_set_double(value, waveview->amplitude_above_axis);
break;
- case ARG_X:
- GTK_VALUE_DOUBLE (*arg) = waveview->x;
+ case PROP_X:
+ g_value_set_double (value, waveview->x);
break;
- case ARG_Y:
- GTK_VALUE_DOUBLE (*arg) = waveview->y;
+ case PROP_Y:
+ g_value_set_double (value, waveview->y);
break;
- case ARG_HEIGHT:
- GTK_VALUE_DOUBLE (*arg) = waveview->height;
+ case PROP_HEIGHT:
+ g_value_set_double (value, waveview->height);
break;
- case ARG_WAVE_COLOR:
- GTK_VALUE_INT (*arg) = waveview->wave_color;
+ case PROP_WAVE_COLOR:
+ g_value_set_uint (value, waveview->wave_color);
break;
- case ARG_RECTIFIED:
- GTK_VALUE_BOOL (*arg) = waveview->rectified;
+ case PROP_RECTIFIED:
+ g_value_set_boolean (value, waveview->rectified);
- case ARG_REGION_START:
- GTK_VALUE_UINT (*arg) = waveview->region_start;
+ case PROP_REGION_START:
+ g_value_set_uint (value, waveview->region_start);
default:
- arg->type = GTK_TYPE_INVALID;
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
projects / ardour.git / blobdiff