Example usage for android.graphics BitmapFactory decodeFile

Introduction

In this page you can find the example usage for android.graphics BitmapFactory decodeFile.

Prototype

public static Bitmap decodeFile(String pathName)

Source Link

Document

Decode a file path into a bitmap.

Usage

From source file:Main.java

public static Bitmap decodeBitmapFromFileToSize(String filePath, int reqWidth, int reqHeight,
        boolean maintainAspectRatio) {
    Bitmap original = BitmapFactory.decodeFile(filePath);
    if (original == null) {
        return null;
    }// ww  w  .  j  ava  2  s.c om
    if (original.getWidth() == reqWidth || original.getHeight() == reqHeight) {
        return original;
    }

    if (maintainAspectRatio) {
        int oriWidth = original.getWidth(), oriHeight = original.getHeight();
        if (oriWidth >= oriHeight) {
            float aRatio = (float) oriHeight / (float) oriWidth;
            reqHeight = (int) (reqWidth * aRatio);
        } else if (oriHeight > oriWidth) {
            float aRatio = (float) oriWidth / (float) oriHeight;
            reqWidth = (int) (reqHeight * aRatio);
        }
    }

    Bitmap scaled = Bitmap.createScaledBitmap(original, reqWidth, reqHeight, false);
    if (scaled == null) {
        return original;
    }
    if (scaled != original) {
        original.recycle();
        original = null;
    }
    return scaled;
}

From source file:Main.java

public static Bitmap getIconForAppPath(Context context) {
    String path = context.getFilesDir().getPath() + "/crop.png";
    File file = new File(path);
    if (file.exists()) {
        return BitmapFactory.decodeFile(path);
    }//from   w  w w .  j av a  2  s  .c  o m
    return null;
}

From source file:Main.java

public static Bitmap getBitmap(String name) {
    String path = Environment.getExternalStorageDirectory().getPath() + "/Chaoke/" + name;
    System.out.println(Environment.getExternalStorageDirectory().getPath() + "/Chaoke/" + name);
    return BitmapFactory.decodeFile(path);
}

From source file:Main.java

public static Bitmap getDiskBitmap(String pathString) {
    Bitmap bitmap = null;/*www  .j  av  a2s  .co m*/
    try {
        File file = new File(pathString);
        if (file.exists()) {
            bitmap = BitmapFactory.decodeFile(pathString);
        }
    } catch (Exception e) {
        // TODO: handle exception  
    }

    return bitmap;
}

From source file:Main.java

@SuppressWarnings("deprecation")
public static Drawable getDrawableFromFile(File pngFile, int density) {
    Bitmap bmp = BitmapFactory.decodeFile(pngFile.getPath());
    bmp.setDensity(density);/*w w w. j  a v a 2  s.  co m*/

    return new BitmapDrawable(bmp);
}

From source file:Main.java

public static void initializeFiles(List<String> filePathNameList, List<Bitmap> imageBitMaps, int offset,
        int size) {
    for (int i = 0; i < (offset + size); i++) {
        if (new File(filePathNameList.get(i)).exists()) {
            imageBitMaps.add(BitmapFactory.decodeFile(filePathNameList.get(i)));
        }/*from   ww  w  .ja  va2  s  .  c  o  m*/
    }
}

From source file:Main.java

public static Bitmap getBitmapFromLocal(String fileName) {
    Bitmap bitmap = null;/*from   w ww .  jav a2 s.co m*/
    String pathName = Environment.getExternalStorageDirectory() + "/boc_container/" + fileName;
    File file = new File(pathName);
    if (file.exists()) {
        bitmap = BitmapFactory.decodeFile(pathName);
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap getRotatedImg(String path) {
    int angle = getBitmapRotation(path);
    Matrix matrix = new Matrix();
    matrix.postRotate(angle);//from   ww  w . j a  va 2  s.  co m
    Bitmap bitmap = BitmapFactory.decodeFile(path);
    try {
        bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap getImg(String url) {
    if (!isMounted())
        return null;

    File imgFile = new File(CACHEDIR, getName(url));
    if (imgFile.exists()) {
        return BitmapFactory.decodeFile(imgFile.getAbsolutePath());
    }//from   www .j av  a  2 s  .  c  om

    return null;
}

From source file:Main.java

public static Bitmap loadFromFile(String filename) {
    try {/*from ww  w .  j ava  2  s  .  c  o  m*/
        File f = new File(filename);
        if (!f.exists()) {
            return null;
        }
        Bitmap tmp = BitmapFactory.decodeFile(filename);
        return tmp;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}