Wallpaper Class Reference

#include <wallpaper.h>

Static Public Member Functions
static void	loadWallpapers ()
static std::string	getWallpaper (const int width, const int height)

Detailed Description

Handles organizing and choosing of wallpapers.

Definition at line 34 of file wallpaper.h.

Member Function Documentation

getWallpaper()

std::string Wallpaper::getWallpaper ( const int  width, const int  height  )

static

Returns the largest wallpaper for the given resolution, or the default wallpaper if none are found.

Parameters

width	the desired width
height	the desired height

Returns

the file to use, or empty if no wallpapers are useable

Definition at line 137 of file wallpaper.cpp.

{
    WallpaperData wp;
 
    // Wallpaper filename container
    StringVect wallPaperVector;
 
    FOR_EACH (STD_VECTOR<WallpaperData>::const_iterator, iter, wallpaperData)
    {
        wp = *iter;
        if (wp.width <= width && wp.height <= height)
            wallPaperVector.push_back(wp.filename);
    }
 
    // If we've got more than one occurence of a valid wallpaper...
    if (!wallPaperVector.empty())
    {
        // Return randomly a wallpaper between vector[0] and
        // vector[vector.size() - 1]
        srand(CAST_U32(time(nullptr)));
        return wallPaperVector[CAST_S32(static_cast<double>(
            wallPaperVector.size()) * rand() / (RAND_MAX + 1.0))];
    }
 
    // Return the backup file if everything else failed...
    if (haveBackup)
        return pathJoin(wallpaperPath, wallpaperFile);
 
    // Return an empty string if everything else failed
    return std::string();
}

References CAST_S32, CAST_U32, WallpaperData::filename, FOR_EACH, haveBackup, WallpaperData::height, pathJoin(), wallpaperData, wallpaperFile, wallpaperPath, and WallpaperData::width.

Referenced by PRAGMA45(), Desktop::setBestFittingWallpaper(), TestLauncher::testFps2(), TestLauncher::testFps3(), and TestLauncher::testRescale().

loadWallpapers()

void Wallpaper::loadWallpapers ( )

static

Reads the folder that contains wallpapers and organizes the wallpapers found by area, width, and height.

Definition at line 88 of file wallpaper.cpp.

{
    wallpaperData.clear();
    initDefaultWallpaperPaths();
    VirtFs::List *const imgs = VirtFs::enumerateFiles(wallpaperPath);
 
    FOR_EACH (StringVectCIter, i, imgs->names)
    {
        // First, get the base filename of the image:
        std::string filename = *i;
        const std::string name = filename;
        // If the backup file is found, we tell it.
        if (filename.find(wallpaperFile) != std::string::npos)
            haveBackup = true;
 
        // If the image format is terminated by: "_<width>x<height>.png"
        // It is taken as a potential wallpaper.
 
        size_t 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("_%10dx%10d.png");
 
            int width;
            int height;
            if (sscanf(name.c_str(),
                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);
            }
        }
    }
 
    VirtFs::freeList(imgs);
    std::sort(wallpaperData.begin(), wallpaperData.end(), &wallpaperCompare);
}

References VirtFs::enumerateFiles(), WallpaperData::filename, FOR_EACH, VirtFs::freeList(), haveBackup, WallpaperData::height, initDefaultWallpaperPaths(), VirtFs::List::names, wallpaperCompare(), wallpaperData, wallpaperFile, wallpaperPath, and WallpaperData::width.

Referenced by Desktop::Desktop(), PRAGMA45(), Desktop::reloadWallpaper(), TestLauncher::testFps2(), TestLauncher::testFps3(), and TestLauncher::testRescale().

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The documentation for this class was generated from the following files:

• src/resources/wallpaper.h (986a3bf)
• src/resources/wallpaper.cpp (986a3bf)