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/*
* The Mana Client
* Copyright (C) 2009 The Mana World Development Team
* Copyright (C) 2009-2012 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>
struct WallpaperData
{
std::string filename;
int width;
int height;
};
inline std::ostream& operator <<(std::ostream &os, const WallpaperData &d)
{
os << d.filename << "[" << d.width << "x" << d.height << "]";
return os;
}
static std::vector<WallpaperData> wallpaperData;
static bool haveBackup; // Is the backup (no size given) version available?
static std::string wallpaperPath;
static std::string wallpaperFile;
static void initWallpaperPaths()
{
// Init the path
wallpaperPath = paths.getStringValue("wallpapers");
if (wallpaperPath.empty())
{
wallpaperPath = branding.getStringValue("wallpapersPath");
if (wallpaperPath.empty())
wallpaperPath = "graphics/images/";
}
// Init the default file
wallpaperFile = paths.getStringValue("wallpaperFile");
if (wallpaperFile.empty())
{
wallpaperFile = branding.getStringValue("wallpaperFile");
if (wallpaperFile.empty())
wallpaperFile = "login_wallpaper.png";
}
}
/**
* Comparison function that puts the largest wallpaper first.
*/
bool wallpaperCompare(const WallpaperData &a, const WallpaperData &b)
{
int aa = a.width * a.height;
int ab = b.width * b.height;
return (aa > ab || (aa == ab && a.width > b.width));
}
void Wallpaper::loadWallpapers()
{
wallpaperData.clear();
initWallpaperPaths();
char **fileNames = PHYSFS_enumerateFiles(wallpaperPath.c_str());
for (char **fileName = fileNames; *fileName; fileName++)
{
int width;
int height;
// If the backup file is found, we tell it.
if (strncmp(*fileName, wallpaperFile.c_str(), strlen(*fileName)) == 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 = *fileName;
filename = filename.substr(0, filename.rfind("_"));
// Check that the base filename doesn't have any '%' markers.
if (filename.find("%") == std::string::npos)
{
// Then, append the width and height search mask.
filename.append("_%dx%d.png");
if (sscanf(*fileName, filename.c_str(), &width, &height) == 2)
{
WallpaperData wp;
wp.filename = wallpaperPath;
wp.filename.append(*fileName);
wp.width = width;
wp.height = height;
wallpaperData.push_back(wp);
}
}
}
PHYSFS_freeList(fileNames);
std::sort(wallpaperData.begin(), wallpaperData.end(), wallpaperCompare);
}
std::string Wallpaper::getWallpaper(int width, int height)
{
if (wallpaperData.empty())
return haveBackup ? (wallpaperPath + wallpaperFile) : std::string();
WallpaperData wallpaper;
// Search for the smallest wallpaper at least as large as the screen
std::vector<WallpaperData>::iterator iter;
for (iter = wallpaperData.begin(); iter != wallpaperData.end(); iter++)
{
const WallpaperData &wp = *iter;
if (wp.width >= width && wp.height >= height)
{
if (wallpaper.filename.empty() ||
(wallpaper.width < wp.width &&
wallpaper.height < wp.height))
{
wallpaper = wp;
}
}
}
// When no fitting wallpaper was found yet, pick the biggest one
if (wallpaper.filename.empty())
{
wallpaper = wallpaperData.front();
}
return wallpaper.filename;
}
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