| 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ |
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| 2 | /* This file is part of the GtkHTML library |
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| 3 | Copyright (C) 1999 Helix Code, Inc. |
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| 4 | |
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| 5 | This library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Library General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | This library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Library General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Library General Public License |
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| 16 | along with this library; see the file COPYING.LIB. If not, write to |
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| 17 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 18 | Boston, MA 02111-1307, USA. |
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| 19 | */ |
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| 20 | |
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| 21 | #ifndef _HTMLDRAWQUEUE_H |
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| 22 | #define _HTMLDRAWQUEUE_H |
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| 23 | |
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| 24 | #include "htmltypes.h" |
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| 25 | #include <gdk/gdktypes.h> |
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| 26 | #include <gdk-pixbuf/gdk-pixbuf.h> |
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| 27 | |
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| 28 | struct _HTMLDrawQueueClearElement { |
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| 29 | gint x, y; |
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| 30 | guint width, height; |
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| 31 | GdkColor *background_color; |
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| 32 | GdkPixbuf *background_image; |
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| 33 | guint background_image_x_offset, background_image_y_offset; |
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| 34 | }; |
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| 35 | |
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| 36 | struct _HTMLDrawQueue { |
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| 37 | /* The associated engine. */ |
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| 38 | HTMLEngine *engine; |
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| 39 | |
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| 40 | /* Elements to be drawn. */ |
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| 41 | GList *elems; |
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| 42 | /* Pointer to the last element in the list, for faster appending. */ |
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| 43 | GList *last; |
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| 44 | |
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| 45 | /* Elements to be cleared (HTMLDrawQueueClearElement). */ |
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| 46 | GList *clear_elems; |
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| 47 | /* Pointer to the last element. */ |
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| 48 | GList *clear_last; |
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| 49 | }; |
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| 50 | |
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| 51 | |
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| 52 | /* Creation/destruction. */ |
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| 53 | HTMLDrawQueue *html_draw_queue_new (HTMLEngine *engine); |
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| 54 | void html_draw_queue_destroy (HTMLDrawQueue *queue); |
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| 55 | void html_draw_queue_flush (HTMLDrawQueue *queue); |
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| 56 | void html_draw_queue_clear (HTMLDrawQueue *queue); |
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| 57 | |
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| 58 | /* Adding objects. */ |
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| 59 | void html_draw_queue_add (HTMLDrawQueue *queue, |
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| 60 | HTMLObject *object); |
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| 61 | |
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| 62 | /* Adding clear areas. */ |
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| 63 | void html_draw_queue_add_clear (HTMLDrawQueue *queue, |
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| 64 | gint x, |
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| 65 | gint y, |
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| 66 | guint width, |
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| 67 | guint height, |
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| 68 | const GdkColor *background_color); |
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| 69 | void html_draw_queue_add_clear_with_background (HTMLDrawQueue *queue, |
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| 70 | gint x, |
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| 71 | gint y, |
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| 72 | guint width, |
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| 73 | guint height, |
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| 74 | GdkPixbuf *background_image, |
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| 75 | guint image_x_offset, |
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| 76 | guint image_y_offset); |
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| 77 | |
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| 78 | #endif /* _HTMLDRAWQUEUE_H */ |
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