Example usage for javax.media.j3d Texture RGB

Introduction

In this page you can find the example usage for javax.media.j3d Texture RGB.

Prototype

int RGB

To view the source code for javax.media.j3d Texture RGB.

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Document

Specifies Texture contains Red, Green and Blue color values.

Usage

From source file:MultiTextureTest.java

public Texture createLightMap() {

    int width = 128;
    int height = 128;
    BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    int[] rgbArray = new int[width * height];
    int index, index2;
    int rgbInc = 256 / (width / 2 - 20);
    int rgbValue = 0;
    int k = width / 2 - 5;
    int i, j, rgb;

    rgb = 0xff;/* w  w  w.j av  a2s . c  o m*/
    rgbValue = rgb | (rgb << 8) | (rgb << 16) | (rgb << 24);
    for (i = width / 2 - 1, j = 0; j < 10; j++, i--) {
        rgbArray[i] = rgbValue;
    }

    for (; i > 8; i--, rgb -= rgbInc) {
        rgbValue = rgb | (rgb << 8) | (rgb << 16) | (rgb << 24);
        rgbArray[i] = rgbValue;
    }

    for (; i >= 0; i--) {
        rgbArray[i] = rgbValue;
    }

    for (i = 0; i < width / 2; i++) {
        rgbValue = rgbArray[i];
        index = i;
        index2 = (width - i - 1);
        for (j = 0; j < height; j++) {
            rgbArray[index] = rgbArray[index2] = rgbValue;
            index += width;
            index2 += width;
        }
    }

    bimage.setRGB(0, 0, width, height, rgbArray, 0, width);

    ImageComponent2D grayImage = new ImageComponent2D(ImageComponent.FORMAT_RGB, bimage);

    lightTex = new Texture2D(Texture.BASE_LEVEL, Texture.RGB, width, height);
    lightTex.setImage(0, grayImage);

    return lightTex;
}

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From source file:SimpleTexture.java

/**
 * This defines the appearance with a texture. The texture is loaded from an
 * external file.//  w  ww  .  j  ava 2 s.c om
 * 
 * @return Appearance that uses the texture.
 */
protected Appearance DefineAppearance() {
    //Load the texture from the external image file
    TextureLoader textLoad = new TextureLoader("housebrick.jpg", this);
    //Access the image from the loaded texture
    ImageComponent2D textImage = textLoad.getImage();
    //Create a two dimensional texture
    Texture2D texture = new Texture2D(Texture2D.BASE_LEVEL, Texture.RGB, textImage.getWidth(),
            textImage.getHeight());
    //Set the texture from the image loaded
    texture.setImage(0, textImage);
    //Create the appearance that will use the texture
    Appearance app = new Appearance();
    app.setTexture(texture);
    //Define how the texture will be mapped onto the surface
    //by creating the appropriate texture attributes
    TextureAttributes textAttr = new TextureAttributes();
    textAttr.setTextureMode(TextureAttributes.REPLACE);
    app.setTextureAttributes(textAttr);
    app.setMaterial(new Material());
    return app;
}

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From source file:SimpleTextureGen.java

/**
 * This defines the appearance for the shape using a texture. It uses a
 * TextureLoader to load the texture image from an external file and a
 * TexCoordGeneration to define the texture coordinates.
 * /*from   w ww.ja  va  2 s. com*/
 * @return Appearance that uses a texture.
 */
protected Appearance DefineAppearance() {
    //This is used to automatically define the texture coordinates.
    //The coordinates are generated in object coordinates, but by
    //commented out the line with 'OBJECT_LINEAR' and uncommenting
    //the line 'EYE_LINEAR' the program will use eye coordinates.
    TexCoordGeneration textCoorder = new TexCoordGeneration(TexCoordGeneration.OBJECT_LINEAR,
            //TexCoordGeneration.EYE_LINEAR,
            TexCoordGeneration.TEXTURE_COORDINATE_2);
    //Load the texture from the external image file
    TextureLoader textLoad = new TextureLoader("housebrick.jpg", this);
    //Access the image from the loaded texture
    ImageComponent2D textImage = textLoad.getImage();
    //Create a two dimensional texture
    Texture2D texture = new Texture2D(Texture2D.BASE_LEVEL, Texture.RGB, textImage.getWidth(),
            textImage.getHeight());
    //Set the texture from the image loaded
    texture.setImage(0, textImage);
    //Create the appearance that will use the texture
    Appearance app = new Appearance();
    app.setTexture(texture);
    //Pass the coordinate generator to the appearance
    app.setTexCoordGeneration(textCoorder);
    //Define how the texture will be mapped onto the surface
    //by creating the appropriate texture attributes
    TextureAttributes textAttr = new TextureAttributes();
    textAttr.setTextureMode(TextureAttributes.REPLACE);
    app.setTextureAttributes(textAttr);
    app.setMaterial(new Material());
    return app;
}

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From source file:TextureTest.java

protected Shape3D createTextureGeometry(String szFile, boolean bWireframe) {
    // load all the texture data from the file and create the geometry
    // coordinates
    TextureGeometryInfo texInfo = createTextureCoordinates(szFile);

    if (texInfo == null) {
        System.err.println("Could not load texture info for file:" + szFile);
        return null;
    }//  w w w.  j  a va 2 s .  com

    // print some stats on the loaded file
    System.out.println("Loaded File: " + szFile);
    System.out.println("   Texture image: " + texInfo.m_szImage);
    System.out.println("   Texture coordinates: " + texInfo.m_TexCoordArray.length);

    // create an Appearance and assign a Material
    Appearance app = new Appearance();

    PolygonAttributes polyAttribs = null;

    // create the PolygonAttributes and attach to the Appearance,
    // note that we use CULL_NONE so that the "rear" side of the geometry
    // is visible with the applied texture image
    if (bWireframe == false)
        polyAttribs = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0);
    else
        polyAttribs = new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_NONE, 0);

    app.setPolygonAttributes(polyAttribs);

    // load the texture image and assign to the appearance
    TextureLoader texLoader = new TextureLoader(texInfo.m_szImage, Texture.RGB, this);
    Texture tex = texLoader.getTexture();
    app.setTexture(tex);

    // create a GeometryInfo for the QuadArray that was populated.
    GeometryInfo gi = new GeometryInfo(GeometryInfo.POLYGON_ARRAY);
    gi.setCoordinates(texInfo.m_CoordArray);
    gi.setTextureCoordinates(texInfo.m_TexCoordArray);

    // use the triangulator utility to triangulate the polygon
    int[] stripCountArray = { texInfo.m_CoordArray.length };
    int[] countourCountArray = { stripCountArray.length };

    gi.setContourCounts(countourCountArray);
    gi.setStripCounts(stripCountArray);

    Triangulator triangulator = new Triangulator();
    triangulator.triangulate(gi);

    // generate normal vectors for the triangles, not
    // strictly necessary as we are not lighting the scene
    // but generally useful
    NormalGenerator normalGenerator = new NormalGenerator();
    normalGenerator.generateNormals(gi);

    // wrap the GeometryArray in a Shape3D and assign appearance
    return new Shape3D(gi.getGeometryArray(), app);
}

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From source file:TexCoordTest.java

void createAppearance(double yMaxHeight) {
    // create an Appearance and assign a Material
    m_Appearance = new Appearance();
    m_Appearance.setCapability(Appearance.ALLOW_TEXGEN_WRITE);

    Color3f black = new Color3f(0, 0.2f, 0);
    Color3f objColor = new Color3f(0.1f, 0.7f, 0.2f);
    m_Appearance.setMaterial(new Material(objColor, black, objColor, black, 0.8f));

    // load the texture image
    TextureLoader texLoader = new TextureLoader("stripes.gif", Texture.RGB, this);

    // clamp the coordinates in the S dimension, that way they
    // will not wrap when the calculated texture coordinate falls outside
    // the range 0 to 1. When the texture coordinate is outside this range
    // no texture coordinate will be used
    Texture tex = texLoader.getTexture();
    tex.setBoundaryModeS(Texture.CLAMP);

    // assign the texute image to the appearance
    m_Appearance.setTexture(tex);/*from  w w  w  . j  av  a2s  . c o  m*/

    // create the TexCoordGeneration object.
    // we are only using 1D texture coordinates (S) - texture coordinates
    // are calculated from a vertex's distance from the Y = 0 plane
    // the 4th parameter to the Vector4f is the distance in *texture
    // coordinates*
    // that we shift the texture coordinates by (i.e. Y = 0 corresponds to S
    // = 0.5)
    TexCoordGeneration texGen = new TexCoordGeneration(TexCoordGeneration.OBJECT_LINEAR,
            TexCoordGeneration.TEXTURE_COORDINATE_2, new Vector4f(0, (float) (1.0 / (2 * yMaxHeight)), 0, 0.5f),
            new Vector4f(0, 0, 0, 0), new Vector4f(0, 0, 0, 0));

    // create our "non-live" TexCoordGeneration object so we
    // can update the "genMode" parameter after we go live.
    m_TexGen = (TexCoordGeneration) texGen.cloneNodeComponent(true);

    // assign the TexCoordGeneration to the Appearance
    m_Appearance.setTexCoordGeneration(texGen);

    // we just glue the texture image to the surface, we are not
    // blending or modulating the texture image based on material
    // attributes. You can experiment with MODULATE or BLEND.
    TextureAttributes texAttribs = new TextureAttributes();
    texAttribs.setTextureMode(TextureAttributes.DECAL);
    m_Appearance.setTextureAttributes(texAttribs);
}

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From source file:J3dSwingFrame.java

/**
 * Set the texture on our goemetry/* www .j  av a 2  s.  c  om*/
 * <P>
 * Always specified as a URL so that we may fetch it from anywhere.
 * 
 * @param url
 *            The url to the image.
 */
public void setTexture(URL url) {
    Toolkit tk = Toolkit.getDefaultToolkit();
    Image src_img = tk.createImage(url);
    BufferedImage buf_img = null;

    if (!(src_img instanceof BufferedImage)) {
        // create a component anonymous inner class to give us the image
        // observer we need to get the width and height of the source image.
        Component obs = new Component() {
        };

        int width = src_img.getWidth(obs);
        int height = src_img.getHeight(obs);

        // construct the buffered image from the source data.
        buf_img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

        Graphics g = buf_img.getGraphics();
        g.drawImage(src_img, 0, 0, null);
        g.dispose();
    } else
        buf_img = (BufferedImage) src_img;

    src_img.flush();

    ImageComponent img_comp = new ImageComponent2D(ImageComponent.FORMAT_RGB, buf_img);

    texture = new Texture2D(Texture.BASE_LEVEL, Texture.RGB, img_comp.getWidth(), img_comp.getHeight());

    appearance.setTexture(texture);

    buf_img.flush();
}

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