Example usage for android.graphics Bitmap getRowBytes

Introduction

In this page you can find the example usage for android.graphics Bitmap getRowBytes.

Prototype

public final int getRowBytes() 

Source Link

Document

Return the number of bytes between rows in the bitmap's pixels.

Usage

From source file:org.nativescript.widgets.image.Cache.java

/**
 * Get the size in bytes of a bitmap in a BitmapDrawable. Note that from Android 4.4 (KitKat)
 * onward this returns the allocated memory size of the bitmap which can be larger than the
 * actual bitmap data byte count (in the case it was re-used).
 *
 * @param bitmap//from w  w  w. ja  va 2  s .  c o  m
 * @return size in bytes
 */
@TargetApi(VERSION_CODES.KITKAT)
public static int getBitmapSize(Bitmap bitmap) {
    // From KitKat onward use getAllocationByteCount() as allocated bytes can potentially be
    // larger than bitmap byte count.
    if (Utils.hasKitKat()) {
        return bitmap.getAllocationByteCount();
    }

    if (Utils.hasHoneycombMR1()) {
        return bitmap.getByteCount();
    }

    // Pre HC-MR1
    return bitmap.getRowBytes() * bitmap.getHeight();
}

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From source file:com.inter.trade.imageframe.ImageCache.java

/**
 * Get the size in bytes of a bitmap in a BitmapDrawable.
 * @param value/*w ww .  j  a  v  a 2s.c  o  m*/
 * @return size in bytes
 */
public static int getBitmapSize(BitmapDrawable value) {
    Bitmap bitmap = value.getBitmap();

    //        if (Utils.hasHoneycombMR1()) {
    //            return bitmap.getByteCount();
    //        }
    // Pre HC-MR1
    return bitmap.getRowBytes() * bitmap.getHeight();
}

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From source file:com.globant.mobile.handson.media.BitmapCache.java

/**
 * Get the size in bytes of a bitmap in a BitmapDrawable.
 * @param value/*from  ww w .jav a  2 s. c o m*/
 * @return size in bytes
 */
@TargetApi(12)
public static int getBitmapSize(BitmapDrawable value) {
    Bitmap bitmap = value.getBitmap();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
        return bitmap.getByteCount();
    }
    // Pre HC-MR1
    return bitmap.getRowBytes() * bitmap.getHeight();
}

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From source file:net.wespot.pim.utils.images.ImageCache.java

/**
 * Get the size in bytes of a bitmap in a BitmapDrawable. Note that from Android 4.4 (KitKat)
 * onward this returns the allocated memory size of the bitmap which can be larger than the
 * actual bitmap data byte count (in the case it was re-used).
 *
 * @param value/*from  www.  java 2s  . c om*/
 * @return size in bytes
 */
public static int getBitmapSize(BitmapDrawable value) {
    Bitmap bitmap = value.getBitmap();

    if (Utils.hasHoneycombMR1()) {
        return bitmap.getByteCount();
    }

    // Pre HC-MR1
    return bitmap.getRowBytes() * bitmap.getHeight();
}

---

From source file:Main.java

/**
 * @return size in bytes of the underlying bitmap
 *//*  ww  w. ja  v a2 s.  c o  m*/
@SuppressLint("NewApi")
public static int getSizeInBytes(@Nullable Bitmap bitmap) {
    if (bitmap == null) {
        return 0;
    }

    // There's a known issue in KitKat where getAllocationByteCount() can throw an NPE. This was
    // apparently fixed in MR1: http://bit.ly/1IvdRpd. So we do a version check here, and
    // catch any potential NPEs just to be safe.
    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
        try {
            return bitmap.getAllocationByteCount();
        } catch (NullPointerException npe) {
            // Swallow exception and try fallbacks.
        }
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
        return bitmap.getByteCount();
    }

    // Estimate for earlier platforms.
    return bitmap.getWidth() * bitmap.getRowBytes();
}

---

From source file:com.cloudsynch.quickshare.utils.thumbnail.ImageCache.java

/**
 * Get the size in bytes of a bitmap in a BitmapDrawable.
 * /*from w w  w. j  a  v  a2 s .  c o m*/
 * @param value
 * @return size in bytes
 */
@TargetApi(12)
public static int getBitmapSize(BitmapDrawable value) {
    Bitmap bitmap = value.getBitmap();

    // if (Utils.hasHoneycombMR1()) {
    // return bitmap.getByteCount();
    // }
    // Pre HC-MR1
    return bitmap.getRowBytes() * bitmap.getHeight();
}

---

From source file:Main.java

/**
 * @return size in bytes of the underlying bitmap
 *///from www  . j  av  a2s .  c o  m
@SuppressLint("NewApi")
public static int getSizeInBytes(@Nullable Bitmap bitmap) {
    if (bitmap == null) {
        return 0;
    }

    // There's a known issue in KitKat where getAllocationByteCount() can throw an NPE. This was
    // apparently fixed in MR1: http://bit.ly/1IvdRpd. So we do a version check here, and
    // catch any potential NPEs just to be safe.
    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
        try {
            return bitmap.getAllocationByteCount();
        } catch (NullPointerException npe) {
            // Swallow exception and try fallbacks.
        }
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
        return bitmap.getByteCount();
    }

    // Estimate for earlier platforms. Same code as getByteCount() for Honeycomb.
    return bitmap.getRowBytes() * bitmap.getHeight();
}

---

From source file:Main.java

public static byte[] makeFontBitmap(String font, String code, int size, float[] arrayOfPos) {
    Log.v(TAG, String.format("makeFontBitmap called(Java): font=%s code=%s", font, code));
    Canvas c = new Canvas();
    Paint p = new Paint();
    //        Log.v(TAG, "get density");
    float density = context.getResources().getDisplayMetrics().density;
    Log.v(TAG, String.format("makeFontBitmap density: %f", density));
    p.setTextSize((float) size * density);
    p.setAntiAlias(true);//  www  . ja v  a 2  s  . c  o  m

    Rect textBounds = new Rect();
    p.getTextBounds(code, 0, code.length(), textBounds);
    Log.v(TAG, String.format("makeFontBitmap textBounds: %d,%d,%d,%d", textBounds.left, textBounds.top,
            textBounds.right, textBounds.bottom));

    Rect textBoundsAxA = new Rect();
    String axa = String.format("A%sA", code);
    p.getTextBounds(axa, 0, axa.length(), textBoundsAxA);
    Rect textBoundsAA = new Rect();
    String aa = "AA";
    p.getTextBounds(aa, 0, aa.length(), textBoundsAA);

    // cache.distDelta = Vec2(0, 0);
    arrayOfPos[0] = textBounds.left;
    arrayOfPos[1] = textBounds.top;

    // cache.srcWidth = Vec2(16, 16);
    arrayOfPos[2] = textBounds.width();
    arrayOfPos[3] = textBounds.height();

    // cache.step = 16;
    //      arrayOfPos[4] = textBounds.width() + 1;
    arrayOfPos[4] = textBoundsAxA.width() - textBoundsAA.width();

    if (textBounds.width() == 0 || textBounds.height() == 0) {
        Log.v(TAG, "makeFontBitmap: empty");
        return null;
    }

    Bitmap b = Bitmap.createBitmap(textBounds.width(), textBounds.height(), Bitmap.Config.ARGB_8888);
    c.setBitmap(b);

    Rect r = new Rect(0, 0, textBounds.width(), textBounds.height());
    //      p.setColor(Color.RED);
    p.setARGB(0, 0, 0, 0);
    c.drawRect(r, p);
    p.setARGB(255, 255, 255, 255);

    //        Log.v(TAG, "makeFontBitmap: drawText");
    c.drawText(code, -textBounds.left, -textBounds.top, p);
    Log.v(TAG, String.format("makeFontBitmap: w=%.2f h=%.2f", arrayOfPos[2], arrayOfPos[3]));

    ByteBuffer buf = ByteBuffer.allocate(textBounds.width() * textBounds.height() * 4);
    //      ByteBuffer buf = ByteBuffer.allocate(b.getRowBytes());
    Log.v(TAG, String.format("makeFontBitmap: b.getRowBytes() %d", b.getRowBytes()));
    buf.position(0);
    b.copyPixelsToBuffer(buf);
    Log.v(TAG, String.format("makeFontBitmap results: capacity=%d", buf.capacity()));

    //      byte bytes[] = buf.array();
    //      for (int i = 0; i < size * size * 2; i++)
    //         bytes[i] = (byte)(Math.random() * 255);
    return buf.array();
}

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From source file:Main.java

/**
 * Returns the in memory size of the given {@link Bitmap} in bytes.
 *//*from   w  ww .  j ava  2  s .c  om*/
@TargetApi(Build.VERSION_CODES.KITKAT)
public static int getBitmapByteSize(Bitmap bitmap) {
    // The return value of getAllocationByteCount silently changes for recycled bitmaps from the
    // internal buffer size to row bytes * height. To avoid random inconsistencies in caches, we
    // instead assert here.
    if (bitmap.isRecycled()) {
        throw new IllegalStateException("Cannot obtain size for recycled Bitmap: " + bitmap + "["
                + bitmap.getWidth() + "x" + bitmap.getHeight() + "] " + bitmap.getConfig());
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        // Workaround for KitKat initial release NPE in Bitmap, fixed in MR1. See issue #148.
        try {
            return bitmap.getAllocationByteCount();
        } catch (NullPointerException e) {
            // Do nothing.
        }
    }
    return bitmap.getHeight() * bitmap.getRowBytes();
}

---

From source file:com.lovebridge.chat.view.ImageCache.java

/**
 * Get the size in bytes of a bitmap in a BitmapDrawable. Note that from
 * Android 4.4 (KitKat) onward this returns the allocated memory size of the
 * bitmap which can be larger than the actual bitmap data byte count (in the
 * case it was re-used).//from   ww w  .ja  va2 s . co m
 *
 * @param value
 * @return size in bytes
 */
@TargetApi(19)
public static int getBitmapSize(BitmapDrawable value) {
    Bitmap bitmap = value.getBitmap();
    // From KitKat onward use getAllocationByteCount() as allocated bytes
    // can potentially be
    // larger than bitmap byte count.
    // if (Utils.hasKitKat()) {
    // return bitmap.getAllocationByteCount();
    // }
    if (com.lovebridge.chat.utils.Utils.hasHoneycombMR1()) {
        return bitmap.getByteCount();
    }
    // Pre HC-MR1
    return bitmap.getRowBytes() * bitmap.getHeight();
}

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