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/*
* The Mana World
* Copyright (C) 2009 The Mana World Development Team
*
* This file is part of The Mana World.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "resources/wallpaper.h"
#include "log.h"
#include "utils/strprintf.h"
#include <algorithm>
#include <cstring>
#include <vector>
#include <physfs.h>
#define WALLPAPER_FOLDER "graphics/images/"
#define WALLPAPER_BASE "login_wallpaper"
struct WallpaperSize
{
int width;
int height;
};
static std::vector<WallpaperSize> wallpaperSizes;
static bool haveBackup; // Is the backup (no size given) version available?
bool wallpaperCompare(WallpaperSize a, WallpaperSize 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()
{
wallpaperSizes.clear();
size_t baseLen = strlen(WALLPAPER_BASE);
haveBackup = false;
char **imgs = PHYSFS_enumerateFiles(WALLPAPER_FOLDER);
for (char **i = imgs; *i != NULL; i++)
{
if (strncmp(*i, WALLPAPER_BASE, baseLen) == 0)
{
int width;
int height;
if (strlen(*i) == baseLen + 4)
{
if (haveBackup)
logger->log("Duplicate default wallpaper!");
else
haveBackup = true;
}
else if (sscanf(*i, WALLPAPER_BASE "_%dx%d.png",
&width, &height) == 2)
{
WallpaperSize wp;
wp.width = width;
wp.height = height;
wallpaperSizes.push_back(wp);
}
}
}
PHYSFS_freeList(imgs);
std::sort(wallpaperSizes.begin(), wallpaperSizes.end(), wallpaperCompare);
}
std::string Wallpaper::getWallpaper(int width, int height)
{
std::vector<WallpaperSize>::iterator iter;
WallpaperSize wp;
for (iter = wallpaperSizes.begin(); iter != wallpaperSizes.end(); iter++)
{
wp = *iter;
if (wp.width <= width && wp.height <= height)
{
return std::string(strprintf(WALLPAPER_FOLDER WALLPAPER_BASE
"_%dx%d.png", wp.width, wp.height));
}
}
if (haveBackup)
return std::string(WALLPAPER_FOLDER WALLPAPER_BASE ".png");
return std::string();
}
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