Example usage for com.google.gwt.typedarrays.client ArrayBufferNative create

Introduction

In this page you can find the example usage for com.google.gwt.typedarrays.client ArrayBufferNative create.

Prototype

public static native ArrayBufferNative create(int length) ;

Source Link

Usage

From source file:java.nio.DirectByteBuffer.java

License:Apache License

DirectByteBuffer(int capacity) {
    this(ArrayBufferNative.create(capacity), capacity, 0);
}

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From source file:org.cruxframework.crux.core.client.utils.FileUtils.java

License:Apache License

/**
 * Create a new Blob from the dataURI string
 * @param dataURI/*from   ww w  .ja va 2  s.c om*/
 * @return
 */
public static Blob fromDataURI(String dataURI) {
    String[] strings = dataURI.split(",");

    String byteString = getByteString(strings[1], strings[0]);
    String mimeString = strings[0].split(":")[1].split(";")[0];

    int length = byteString.length();
    ArrayBuffer ab = ArrayBufferNative.create(length);
    Uint8Array ia = Uint8ArrayNative.create(ab);

    for (int i = 0; i < length; i++) {
        ia.set(i, StringUtils.charCodeAt(byteString, i));
    }

    return Blob.createIfSupported(ab, mimeString);
}

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From source file:org.uberfire.ext.editor.commons.client.file.exports.ImageFileExport.java

License:Apache License

/**
 * Creates a Blob instance for the raw image data-uri value.
 * @param data The image uri data./*from  ww  w  .  ja  va 2 s .  c  o  m*/
 * @param mimeType The media type for the generated blob.
 */
public static Blob dataImageAsBlob(final String data, final String mimeType) {
    final String byteString = Window.atob(data);
    final ArrayBuffer buffer = ArrayBufferNative.create(byteString.length());
    final Uint8Array ia = Uint8ArrayNative.create(buffer);
    for (int i = 0; i < byteString.length(); i++) {
        ia.set(i, byteString.charAt(i));
    }
    return new BlobImpl(new Object[] { ia }, BlobPropertyBag.create(mimeType));
}

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