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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/resources/wallpaper.cpp
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/resources/wallpaper.cpp')
-rw-r--r--src/resources/wallpaper.cpp172
1 files changed, 172 insertions, 0 deletions
diff --git a/src/resources/wallpaper.cpp b/src/resources/wallpaper.cpp
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+/*
+ * The Mana Client
+ * Copyright (C) 2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ *
+ * This file is part of The Mana Client.
+ *
+ * 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
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "resources/wallpaper.h"
+
+#include "resources/resourcemanager.h"
+#include "log.h"
+
+#include "utils/stringutils.h"
+#include "configuration.h"
+
+#include <physfs.h>
+
+#include <algorithm>
+#include <cstring>
+#include <time.h>
+#include <vector>
+
+//define WALLPAPER_FOLDER "graphics/images/"
+//define WALLPAPER_BASE "login_wallpaper.png"
+
+struct WallpaperData
+{
+ std::string filename;
+ int width;
+ int height;
+};
+
+bool wallpaperCompare(WallpaperData a, WallpaperData b);
+
+static std::vector<WallpaperData> wallpaperData;
+static bool haveBackup; // Is the backup (no size given) version available?
+
+static std::string wallpaperPath;
+static std::string wallpaperFile;
+
+// Search for the wallpaper path values sequentially..
+static void initDefaultWallpaperPaths()
+{
+ ResourceManager *resman = ResourceManager::getInstance();
+
+ // Init the path
+ wallpaperPath = branding.getStringValue("wallpapersPath");
+
+ if (!wallpaperPath.empty() && resman->isDirectory(wallpaperPath))
+ return;
+ else
+ wallpaperPath = paths.getValue("wallpapers", "graphics/images/");
+
+ // Init the default file
+ wallpaperFile = branding.getStringValue("wallpaperFile");
+
+ if (!wallpaperFile.empty())
+ return;
+ else
+ wallpaperFile = paths.getValue("wallpaperFile", "login_wallpaper.png");
+}
+
+bool wallpaperCompare(WallpaperData a, WallpaperData b)
+{
+ int aa = a.width * a.height;
+ int ab = b.width * b.height;
+
+ return (aa > ab || (aa == ab && a.width > b.width));
+}
+#include <iostream>
+void Wallpaper::loadWallpapers()
+{
+ wallpaperData.clear();
+
+ initDefaultWallpaperPaths();
+
+ char **imgs = PHYSFS_enumerateFiles(wallpaperPath.c_str());
+
+ for (char **i = imgs; *i != NULL; i++)
+ {
+ int width;
+ int height;
+
+ // If the backup file is found, we tell it.
+ if (strncmp (*i, wallpaperFile.c_str(), strlen(*i)) == 0)
+ haveBackup = true;
+
+ // If the image format is terminated by: "_<width>x<height>.png"
+ // It is taken as a potential wallpaper.
+
+ // First, get the base filename of the image:
+ std::string filename = *i;
+ unsigned long separator = filename.rfind("_");
+ filename = filename.substr(0, separator);
+
+ // Check that the base filename doesn't have any '%' markers.
+ separator = filename.find("%");
+ if (separator == std::string::npos)
+ {
+ // Then, append the width and height search mask.
+ filename.append("_%dx%d.png");
+
+ if (sscanf(*i, filename.c_str(), &width, &height) == 2)
+ {
+ WallpaperData wp;
+ wp.filename = wallpaperPath;
+ wp.filename.append(*i);
+ wp.width = width;
+ wp.height = height;
+ wallpaperData.push_back(wp);
+ }
+ }
+ }
+
+ PHYSFS_freeList(imgs);
+
+ std::sort(wallpaperData.begin(), wallpaperData.end(), wallpaperCompare);
+}
+
+std::string Wallpaper::getWallpaper(int width, int height)
+{
+ std::vector<WallpaperData>::iterator iter;
+ WallpaperData wp;
+
+ // Wallpaper filename container
+ std::vector<std::string> wallPaperVector;
+
+ for (iter = wallpaperData.begin(); iter != wallpaperData.end(); iter++)
+ {
+ wp = *iter;
+ if (wp.width <= width && wp.height <= height)
+ wallPaperVector.push_back(wp.filename);
+ }
+
+ if (!wallPaperVector.empty())
+ {
+ // If we've got more than one occurence of a valid wallpaper...
+ if (wallPaperVector.size() > 0)
+ {
+ // Return randomly a wallpaper between vector[0] and
+ // vector[vector.size() - 1]
+ srand((unsigned) time(0));
+ return wallPaperVector[int(static_cast<double>(
+ wallPaperVector.size()) * rand() / (RAND_MAX + 1.0))];
+ }
+ else // If there at least one, we return it
+ {
+ return wallPaperVector[0];
+ }
+ }
+
+ // Return the backup file if everything else failed...
+ if (haveBackup)
+ return std::string(wallpaperPath + wallpaperFile);
+
+ // Return an empty string if everything else failed
+ return std::string();
+}