Merge "Fine scale the decoded result to match the desired sampleSize." into nyc-dev

    const unsigned int mSize;

};

// Necessary for decodes when the native decoder cannot scale to appropriately match the sampleSize

// (for example, RAW). If the sampleSize divides evenly into the dimension, we require that the

// scale matches exactly. If sampleSize does not divide evenly, we allow the decoder to choose how

// best to round.

static bool needsFineScale(const int fullSize, const int decodedSize, const int sampleSize) {

    if (fullSize % sampleSize == 0 && fullSize / sampleSize != decodedSize) {

        return true;

    } else if ((fullSize / sampleSize + 1) != decodedSize &&

               (fullSize / sampleSize) != decodedSize) {

        return true;

    }

    return false;

}

static bool needsFineScale(const SkISize fullSize, const SkISize decodedSize,

                           const int sampleSize) {

    return needsFineScale(fullSize.width(), decodedSize.width(), sampleSize) ||

           needsFineScale(fullSize.height(), decodedSize.height(), sampleSize);

}

static jobject doDecode(JNIEnv* env, SkStreamRewindable* stream, jobject padding, jobject options) {

    // This function takes ownership of the input stream.  Since the SkAndroidCodec

    // will take ownership of the stream, we don't necessarily need to take ownership

            }

        }

    }

    const bool willScale = scale != 1.0f;

    // Create the codec.

    NinePatchPeeker peeker;

        prefColorType = kN32_SkColorType;

    }

    // Determine the output size and return if the client only wants the size.

    // Determine the output size.

    SkISize size = codec->getSampledDimensions(sampleSize);

    int scaledWidth = size.width();

    int scaledHeight = size.height();

    bool willScale = false;

    // Apply a fine scaling step if necessary.

    if (needsFineScale(codec->getInfo().dimensions(), size, sampleSize)) {

        willScale = true;

        scaledWidth = codec->getInfo().width() / sampleSize;

        scaledHeight = codec->getInfo().height() / sampleSize;

    }

    // Set the options and return if the client only wants the size.

    if (options != NULL) {

        jstring mimeType = encodedFormatToString(env, codec->getEncodedFormat());

        if (env->ExceptionCheck()) {

            return nullObjectReturn("OOM in encodedFormatToString()");

        }

        env->SetIntField(options, gOptions_widthFieldID, size.width());

        env->SetIntField(options, gOptions_heightFieldID, size.height());

        env->SetIntField(options, gOptions_widthFieldID, scaledWidth);

        env->SetIntField(options, gOptions_heightFieldID, scaledHeight);

        env->SetObjectField(options, gOptions_mimeFieldID, mimeType);

        if (onlyDecodeSize) {

        }

    }

    // Scale is necessary due to density differences.

    if (scale != 1.0f) {

        willScale = true;

        scaledWidth = static_cast<int>(scaledWidth * scale + 0.5f);

        scaledHeight = static_cast<int>(scaledHeight * scale + 0.5f);

    }

    android::Bitmap* reuseBitmap = nullptr;

    unsigned int existingBufferSize = 0;

    if (javaBitmap != NULL) {

            return nullObjectReturn("codec->getAndroidPixels() failed.");

    }

    int scaledWidth = size.width();

    int scaledHeight = size.height();

    if (willScale) {

        scaledWidth = int(scaledWidth * scale + 0.5f);

        scaledHeight = int(scaledHeight * scale + 0.5f);

    }

    jbyteArray ninePatchChunk = NULL;

    if (peeker.mPatch != NULL) {

        if (willScale) {