///////////////////////////////////////////////////////////////////////////////
// 
// This file is part of Serleena.
// 
// The MIT License (MIT)
//
// Copyright (C) 2015 Antonio Cavestro, Gabriele Pozzan, Matteo Lisotto, 
//   Nicola Mometto, Filippo Sestini, Tobia Tesan, Sebastiano Valle.    
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to 
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////


package com.kyloth.serleena.persistence.sqlite;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

import java.io.File;

public class FilesystemRasterSource implements IRasterSource {
    private File sourceDir;

    public FilesystemRasterSource(File sourceDir) {
        this.sourceDir = sourceDir;
    }

    @Override
    public Bitmap getRaster(String uuid) throws NoSuchRasterException {
        File file = new File(sourceDir, uuid + ".jpg");
        if (file.exists()) {
            Bitmap raster = BitmapFactory.decodeFile(file.getAbsolutePath());
            if (raster != null)
                return raster;
        }
        throw new NoSuchRasterException();
    }

}

///////////////////////////////////////////////////////////////////////////////
// 
// This file is part of Serleena.
// 
// The MIT License (MIT)
//
// Copyright (C) 2015 Antonio Cavestro, Gabriele Pozzan, Matteo Lisotto, 
//   Nicola Mometto, Filippo Sestini, Tobia Tesan, Sebastiano Valle.    
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to 
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////


package com.kyloth.serleena.persistence.sqlite;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

import java.io.File;

public class FilesystemRasterSource implements IRasterSource {
    private File sourceDir;

    public FilesystemRasterSource(File sourceDir) {
        this.sourceDir = sourceDir;
    }

    @Override
    public Bitmap getRaster(String uuid) throws NoSuchRasterException {
        File file = new File(sourceDir, uuid + ".png");
        if (file.exists()) {
            Bitmap raster = BitmapFactory.decodeFile(file.getAbsolutePath());
            if (raster != null)
                return raster;
        }
        throw new NoSuchRasterException();
    }

}

Usa formato PNG in FilesystemRasterSource