Example usage for android.graphics BitmapFactory decodeResource

Introduction

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

Prototype

public static Bitmap decodeResource(Resources res, int id, Options opts)

Source Link

Document

Synonym for opening the given resource and calling #decodeResourceStream .

Usage

From source file:Main.java

public static Bitmap decodeResource(Context context, int id, BitmapFactory.Options options) {
    Resources resources = context.getResources();
    try {/*from  w w w .ja va  2  s. co m*/
        return BitmapFactory.decodeResource(resources, id, options);
    } catch (OutOfMemoryError e) {
        Log.e(LOGTAG, "decodeResource() OOM! Resource id=" + id, e);
        return null;
    }
}

From source file:Main.java

public static Bitmap decodeSampledBitmapFromRes(Context context, int id, int reqWidth, int reqHeight) {
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;/*from  w  w  w .  j  av a 2s . c om*/
    BitmapFactory.decodeResource(context.getResources(), id, options);
    options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeResource(context.getResources(), id, options);
}

From source file:Main.java

public static Bitmap getSmallBmpFromResource(Context context, int id, int targetW, int targetH) {
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;//from   w ww . j  a  va 2s.c o m
    BitmapFactory.decodeResource(context.getResources(), id, options);
    // Calculate inSampleSize
    options.inSampleSize = calculateInSampleSize(options, targetW, targetH);
    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeResource(context.getResources(), id, options);
}

From source file:Main.java

public static Bitmap getFitSampleBitmap(Resources resources, int resId, int width, int height) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;/*from w w  w .java 2  s.c om*/
    BitmapFactory.decodeResource(resources, resId, options);
    options.inSampleSize = getFitInSampleSize(width, height, options);
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeResource(resources, resId, options);
}

From source file:Main.java

public static Bitmap decodeBitmapFromResource(Resources res, int resId, int reqWidth, int reqHeight) {
    // First decode with inJustDecodeBounds=true to check dimensions
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;//from ww  w.ja v a2  s.  c  o m
    BitmapFactory.decodeResource(res, resId, options);

    // Calculate inSampleSize
    options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeResource(res, resId, options);
}

From source file:Main.java

protected static int bindTexture(Context context, int drawable) {
    BitmapFactory.Options option = new BitmapFactory.Options();
    option.inScaled = false;/*from   w ww . j ava 2  s  .  c  o  m*/
    return bindTexture(BitmapFactory.decodeResource(context.getResources(), drawable, option));
}

From source file:Main.java

/**
 * toSpannableString/*  www . j a va  2s  .  c om*/
 * @return SpannableString
 * @throws
 */
public static SpannableString toSpannableString(Context context, String text) {
    if (!TextUtils.isEmpty(text)) {
        SpannableString spannableString = new SpannableString(text);
        int start = 0;
        Pattern pattern = Pattern.compile("\\\\ue[a-z0-9]{3}", Pattern.CASE_INSENSITIVE);
        Matcher matcher = pattern.matcher(text);
        while (matcher.find()) {
            String faceText = matcher.group();
            String key = faceText.substring(1);
            BitmapFactory.Options options = new BitmapFactory.Options();
            Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(),
                    context.getResources().getIdentifier(key, "drawable", context.getPackageName()), options);
            ImageSpan imageSpan = new ImageSpan(context, bitmap);
            int startIndex = text.indexOf(faceText, start);
            int endIndex = startIndex + faceText.length();
            if (startIndex >= 0)
                spannableString.setSpan(imageSpan, startIndex, endIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            start = (endIndex - 1);
        }

        return spannableString;
    } else {
        return new SpannableString("");
    }
}

From source file:Main.java

public static Bitmap decodeInSampleSize(Resources res, int resId, int reqWidth, int reqHeight) {
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;// w w  w . j a va  2 s  .c  om
    BitmapFactory.decodeResource(res, resId, options);
    options.inSampleSize = calculateSize(options, reqWidth, reqHeight);
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeResource(res, resId, options);
}

From source file:Main.java

/**
 * Retrieve a bitmap that can be used for comparison on any density
 * @param resources//from   w ww.  j  ava  2s.co  m
 * @return the {@link Bitmap} or <code>null</code>
 */
public static Bitmap getUnscaledBitmap(Resources resources, int resId) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inScaled = false;
    return BitmapFactory.decodeResource(resources, resId, options);
}

From source file:Main.java

/**
 * @param imageResId/*from  w w w  . ja v  a2 s .com*/
 * @return
 */
public static int[] getActualImageDimension(Context context, int imageResId) {
    int[] imageSize = new int[2];
    BitmapFactory.Options decodeOptions = new BitmapFactory.Options();
    // If we have to resize this image, first get the natural bounds.
    decodeOptions.inJustDecodeBounds = true;
    BitmapFactory.decodeResource(context.getResources(), imageResId, decodeOptions);
    int actualWidth = decodeOptions.outWidth;
    int actualHeight = decodeOptions.outHeight;
    imageSize[0] = actualWidth;
    imageSize[1] = actualHeight;
    return imageSize;
}