Example usage for com.google.gwt.typedarrays.client Uint8ArrayNative set

Introduction

In this page you can find the example usage for com.google.gwt.typedarrays.client Uint8ArrayNative set.

Prototype

private native void set(JavaScriptObject array, int offset) ;

Source Link

Usage

From source file:org.oscim.gdx.client.GdxGL.java

License:Apache License

@Override
public void glTexImage2D(int target, int level, int internalformat, int width, int height, int border,
        int format, int type, Buffer pixels) {

    if (pixels == null) {
        gl.texImage2D(target, level, internalformat, width, height, border, format, type, null);
        return;/*  w  ww .  j  av  a  2  s  .  c o m*/
    }

    Pixmap pixmap = Pixmap.pixmaps.get(((IntBuffer) pixels).get(0));
    if (pixmap != null) {
        gl.texImage2D(target, level, internalformat, format, type, pixmap.getCanvasElement());
    } else if (format == GL.ALPHA) {
        int tmp[] = new int[(width * height) >> 2];
        ((IntBuffer) pixels).get(tmp);

        Uint8ArrayNative v = com.google.gwt.typedarrays.client.Uint8ArrayNative.create(width * height);

        for (int i = 0, n = (width * height) >> 2; i < n; i++) {
            v.set(i * 4 + 3, (tmp[i] >> 24) & 0xff);
            v.set(i * 4 + 2, (tmp[i] >> 16) & 0xff);
            v.set(i * 4 + 1, (tmp[i] >> 8) & 0xff);
            v.set(i * 4 + 0, (tmp[i]) & 0xff);
        }
        gl.texImage2D(target, level, internalformat, width, height, 0, format, type, v);
    }
}

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From source file:org.oscim.gdx.client.GwtGLAdapter.java

License:Open Source License

@Override
public void glTexImage2D(int target, int level, int internalformat, int width, int height, int border,
        int format, int type, Buffer pixels) {

    if (pixels == null) {
        gl.texImage2D(target, level, internalformat, width, height, border, format, type, null);
        return;//from   w ww .j av a 2 s .c  om
    }

    Pixmap pixmap = Pixmap.pixmaps.get(((IntBuffer) pixels).get(0));
    if (pixmap != null) {
        gl.texImage2D(target, level, internalformat, format, type, pixmap.getCanvasElement());
    } else if (format == GL20.GL_ALPHA) {
        int tmp[] = new int[(width * height) >> 2];
        ((IntBuffer) pixels).get(tmp);

        Uint8ArrayNative v = com.google.gwt.typedarrays.client.Uint8ArrayNative.create(width * height);

        for (int i = 0, n = (width * height) >> 2; i < n; i++) {
            v.set(i * 4 + 3, (tmp[i] >> 24) & 0xff);
            v.set(i * 4 + 2, (tmp[i] >> 16) & 0xff);
            v.set(i * 4 + 1, (tmp[i] >> 8) & 0xff);
            v.set(i * 4 + 0, (tmp[i]) & 0xff);
        }
        gl.texImage2D(target, level, internalformat, width, height, 0, format, type, v);
    }
}

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