From 7aae8cc5262c1b36e3196845d62489b76af9063f Mon Sep 17 00:00:00 2001 From: Dana Jansens Date: Mon, 21 Dec 2009 10:53:41 -0500 Subject: Set up work for making a 3.5 prerelease. Set version stuff to 3.5.0-rc1. Copy the CHANGELOG from 3.4-working. Rename the obt-4.0 and obrender-4.0 pkgconfig stuff to obt-3.5 and obrender-3.5 Rename the "render" directory to "obrender" so that the public headers can be installed in --- obrender/imagecache.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 obrender/imagecache.h (limited to 'obrender/imagecache.h') diff --git a/obrender/imagecache.h b/obrender/imagecache.h new file mode 100644 index 00000000..4ad2deae --- /dev/null +++ b/obrender/imagecache.h @@ -0,0 +1,51 @@ +/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- + + imagecache.h for the Openbox window manager + Copyright (c) 2008 Dana Jansens + + 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. + + See the COPYING file for a copy of the GNU General Public License. +*/ + +#ifndef __imagecache_h +#define __imagecache_h + +#include + +struct _RrImagePic; + +guint RrImagePicHash(const struct _RrImagePic *p); + +/*! Create a new image cache. An image cache is basically a hash table to look + up RrImages. Each RrImage in the cache may contain one or more Pictures, + that is one or more actual copies of image data at various sizes. For eg, + for a window, all of its various icons are loaded into the same RrImage. + When an RrImage is drawn and a picture inside it needs to be resized, that + is also saved within the RrImage. + + For each picture that an RrImage has, the picture is hashed and that is used + as a key to find the RrImage. So, given any picture in any RrImage in the + cache, if you hash it, you will find the RrImage. +*/ +struct _RrImageCache { + gint ref; + /*! When an original picture is resized for an RrImage, the resized picture + is saved in the RrImage. This specifies how many pictures should be + saved at a time. When this is exceeded, the least recently used + "resized" picture is deleted. + */ + gint max_resized_saved; + + GHashTable *table; +}; + +#endif -- cgit v1.2.3