gtkhtml/htmldrawqueue.h

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /* This file is part of the GtkHTML library
   3  * Copyright (C) 1999 Helix Code, Inc.
   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 License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19 */
  20
  21 #ifndef _HTMLDRAWQUEUE_H
  22 #define _HTMLDRAWQUEUE_H
  23
  24 #include <gtk/gtk.h>
  25 #include "htmltypes.h"
  26
  27 struct _HTMLDrawQueueClearElement {
  28         gint x, y;
  29         guint width, height;
  30         GdkColor *background_color;
  31         GdkPixbuf *background_image;
  32         guint background_image_x_offset, background_image_y_offset;
  33 };
  34
  35 struct _HTMLDrawQueue {
  36         /* The associated engine.  */
  37         HTMLEngine *engine;
  38
  39         /* Elements to be drawn.  */
  40         GList *elems;
  41         /* Pointer to the last element in the list, for faster appending.  */
  42         GList *last;
  43
  44         /* Elements to be cleared (HTMLDrawQueueClearElement).  */
  45         GList *clear_elems;
  46         /* Pointer to the last element.  */
  47         GList *clear_last;
  48 };
  49
  50 \f
  51 /* Creation/destruction.  */
  52 HTMLDrawQueue *html_draw_queue_new      (HTMLEngine    *engine);
  53 void           html_draw_queue_destroy  (HTMLDrawQueue *queue);
  54 void           html_draw_queue_flush    (HTMLDrawQueue *queue);
  55 void           html_draw_queue_clear    (HTMLDrawQueue *queue);
  56
  57 /* Adding objects.  */
  58 void           html_draw_queue_add      (HTMLDrawQueue *queue,
  59                                          HTMLObject    *object);
  60
  61 /* Adding clear areas.  */
  62 void  html_draw_queue_add_clear                  (HTMLDrawQueue  *queue,
  63                                                   gint            x,
  64                                                   gint            y,
  65                                                   guint           width,
  66                                                   guint           height,
  67                                                   const GdkColor *background_color);
  68 void  html_draw_queue_add_clear_with_background  (HTMLDrawQueue  *queue,
  69                                                   gint            x,
  70                                                   gint            y,
  71                                                   guint           width,
  72                                                   guint           height,
  73                                                   GdkPixbuf      *background_image,
  74                                                   guint           image_x_offset,
  75                                                   guint           image_y_offset);
  76
  77 #endif /* _HTMLDRAWQUEUE_H */