src/laugh-layout.h

   1 /*
   2  * Laugh.
   3  *
   4  * An glib SMIL library.
   5  *
   6  * Authored By Koos Vriezen  <koos.vriezen@gmail.com>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the
  20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21  * Boston, MA 02111-1307, USA.
  22  */
  23
  24 #ifndef _LAUGH_LAYOUT_H
  25 #define _LAUGH_LAYOUT_H
  26
  27 #include "laugh-dom.h"
  28
  29 G_BEGIN_DECLS
  30
  31 #define LAUGH_TYPE_LAYOUT laugh_layout_get_type()
  32
  33 #define LAUGH_LAYOUT(obj) \
  34   (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
  35   LAUGH_TYPE_LAYOUT, LaughLayout))
  36
  37 #define LAUGH_TYPE_LAYOUT_CLASS(klass) \
  38   (G_TYPE_CHECK_CLASS_CAST ((klass), \
  39   LAUGH_TYPE_LAYOUT, LaughLayoutClass))
  40
  41 #define LAUGH_IS_LAYOUT(obj) \
  42   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
  43   LAUGH_TYPE_LAYOUT))
  44
  45 #define LAUGH_IS_LAYOUT_CLASS(klass) \
  46   (G_TYPE_CHECK_CLASS_TYPE ((klass), \
  47   LAUGH_TYPE_LAYOUT))
  48
  49 #define LAUGH_LAYOUT_GET_CLASS(obj) \
  50   (G_TYPE_INSTANCE_GET_CLASS ((obj), \
  51   LAUGH_TYPE_LAYOUT, LaughLayoutClass))
  52
  53 typedef struct _LaughLayout        LaughLayout;
  54 typedef struct _LaughLayoutClass   LaughLayoutClass;
  55 typedef struct _LaughLayoutPrivate LaughLayoutPrivate;
  56 typedef struct _LaughSize LaughSize;
  57 typedef struct _LaughSizeSetting LaughSizeSetting;
  58
  59 struct _LaughSize
  60 {
  61     float perc_size;
  62     float abs_size;
  63     gboolean is_set;
  64 };
  65
  66 struct _LaughSizeSetting
  67 {
  68     LaughSize left;
  69     LaughSize top;
  70     LaughSize width;
  71     LaughSize height;
  72     LaughSize right;
  73     LaughSize bottom;
  74 };
  75
  76 struct _LaughLayout
  77 {
  78     LaughNode parent;
  79
  80     /*< public >*/
  81     LaughSizeSetting size_setting;
  82
  83     /*< private >*/
  84     LaughLayoutPrivate *priv;
  85 };
  86
  87 struct _LaughLayoutClass
  88 {
  89     LaughNodeClass parent_class;
  90 };
  91
  92 GType laugh_layout_get_type (void) G_GNUC_CONST;
  93
  94 void laugh_size_set_string (LaughSize *size, const gchar *value);
  95
  96 float laugh_size_get_size (LaughSize *size, float relative_to);
  97
  98 void laugh_size_setting_get (LaughSizeSetting *sizes, float pw, float ph,
  99                 float *x, float *y, float *w, float *h);
 100
 101 LaughNode *laugh_layout_new (LaughDocument *doc, LaughNodeTagId id,
 102         GHashTable *attributes);
 103
 104 G_END_DECLS
 105
 106 #endif