X-Git-Url: http://git.maemo.org/git/?p=mafwsubrenderer;a=blobdiff_plain;f=gst-plugins-base-subtitles0.10%2Fgst-libs%2Fgst%2Finterfaces%2Fcolorbalancechannel.c;fp=gst-plugins-base-subtitles0.10%2Fgst-libs%2Fgst%2Finterfaces%2Fcolorbalancechannel.c;h=ae22fba845d4edd1397bd577ac0b5b1afdd920d6;hp=0000000000000000000000000000000000000000;hb=57ba96e291a055f69dbfd4ae9f1ae2390e36986e;hpb=be2c98fb83895d10ac44af7b9a9c3e00ca54bf49 diff --git a/gst-plugins-base-subtitles0.10/gst-libs/gst/interfaces/colorbalancechannel.c b/gst-plugins-base-subtitles0.10/gst-libs/gst/interfaces/colorbalancechannel.c new file mode 100644 index 0000000..ae22fba --- /dev/null +++ b/gst-plugins-base-subtitles0.10/gst-libs/gst/interfaces/colorbalancechannel.c @@ -0,0 +1,124 @@ +/* GStreamer Color Balance + * Copyright (C) 2003 Ronald Bultje + * + * colorbalancechannel.c: colorbalance channel object design + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "colorbalancechannel.h" + +/** + * SECTION:gstcolorbalancechannel + * @short_description: Object representing a channel from the #GstColorBalance + * interface. + * + * The #GstColorBalanceChannel object represents a parameter + * for modifying the color balance implemented by an element providing the + * #GstColorBalance interface. For example, Hue or Saturation. + * + */ + +enum +{ + /* FILL ME */ + SIGNAL_VALUE_CHANGED, + LAST_SIGNAL +}; + +static void gst_color_balance_channel_class_init (GstColorBalanceChannelClass * + klass); +static void gst_color_balance_channel_init (GstColorBalanceChannel * balance); +static void gst_color_balance_channel_dispose (GObject * object); + +static GObjectClass *parent_class = NULL; +static guint signals[LAST_SIGNAL] = { 0 }; + +GType +gst_color_balance_channel_get_type (void) +{ + static GType gst_color_balance_channel_type = 0; + + if (!gst_color_balance_channel_type) { + static const GTypeInfo color_balance_channel_info = { + sizeof (GstColorBalanceChannelClass), + NULL, + NULL, + (GClassInitFunc) gst_color_balance_channel_class_init, + NULL, + NULL, + sizeof (GstColorBalanceChannel), + 0, + (GInstanceInitFunc) gst_color_balance_channel_init, + NULL + }; + + gst_color_balance_channel_type = + g_type_register_static (G_TYPE_OBJECT, + "GstColorBalanceChannel", &color_balance_channel_info, 0); + } + + return gst_color_balance_channel_type; +} + +static void +gst_color_balance_channel_class_init (GstColorBalanceChannelClass * klass) +{ + GObjectClass *object_klass = (GObjectClass *) klass; + + parent_class = g_type_class_peek_parent (klass); + + /** + * GstColorBalanceChannel::value-changed: + * @channel: The #GstColorBalanceChannel + * @value: The new value + * + * Fired when the value of the indicated channel has changed. + */ + signals[SIGNAL_VALUE_CHANGED] = + g_signal_new ("value-changed", G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GstColorBalanceChannelClass, + value_changed), + NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); + + object_klass->dispose = gst_color_balance_channel_dispose; +} + +static void +gst_color_balance_channel_init (GstColorBalanceChannel * channel) +{ + channel->label = NULL; + channel->min_value = channel->max_value = 0; +} + +static void +gst_color_balance_channel_dispose (GObject * object) +{ + GstColorBalanceChannel *channel = GST_COLOR_BALANCE_CHANNEL (object); + + if (channel->label) + g_free (channel->label); + + channel->label = NULL; + + if (parent_class->dispose) + parent_class->dispose (object); +}