Examples with Image com.jme3.texture.Image used on opensource projects

Example 16 with Image

use of com.jme3.texture.Image in project jmonkeyengine by jMonkeyEngine.

the class GeneratedTexture method generateSkyTexture.

/**
     * Creates a texture for the sky. The result texture has 6 layers.
     * @param size
     *            the size of the texture (width and height are equal)
     * @param horizontalColor
     *            the horizon color
     * @param zenithColor
     *            the zenith color
     * @param blenderContext
     *            the blender context
     * @return the sky texture
     */
public TextureCubeMap generateSkyTexture(int size, ColorRGBA horizontalColor, ColorRGBA zenithColor, BlenderContext blenderContext) {
    Image image = ImageUtils.createEmptyImage(Format.RGB8, size, size, 6);
    PixelInputOutput pixelIO = PixelIOFactory.getPixelIO(image.getFormat());
    TexturePixel pixel = new TexturePixel();
    float delta = 1 / (float) (size - 1);
    float sideV, sideS = 1, forwardU = 1, forwardV, upS;
    TempVars tempVars = TempVars.get();
    CastFunction castFunction = CAST_FUNCTIONS[blenderContext.getBlenderKey().getSkyGeneratedTextureShape().ordinal()];
    float castRadius = blenderContext.getBlenderKey().getSkyGeneratedTextureRadius();
    for (int x = 0; x < size; ++x) {
        sideV = 1;
        forwardV = 1;
        upS = 0;
        for (int y = 0; y < size; ++y) {
            castFunction.cast(tempVars.vect1.set(1, sideV, sideS), castRadius);
            textureGenerator.getPixel(pixel, tempVars.vect1.x, tempVars.vect1.y, tempVars.vect1.z);
            // right
            pixelIO.write(image, NEGATIVE_X, ImageUtils.color(pixel, horizontalColor, zenithColor), x, y);
            castFunction.cast(tempVars.vect1.set(0, sideV, 1 - sideS), castRadius);
            textureGenerator.getPixel(pixel, tempVars.vect1.x, tempVars.vect1.y, tempVars.vect1.z);
            // left
            pixelIO.write(image, POSITIVE_X, ImageUtils.color(pixel, horizontalColor, zenithColor), x, y);
            castFunction.cast(tempVars.vect1.set(forwardU, forwardV, 0), castRadius);
            textureGenerator.getPixel(pixel, tempVars.vect1.x, tempVars.vect1.y, tempVars.vect1.z);
            // front
            pixelIO.write(image, POSITIVE_Z, ImageUtils.color(pixel, horizontalColor, zenithColor), x, y);
            castFunction.cast(tempVars.vect1.set(1 - forwardU, forwardV, 1), castRadius);
            textureGenerator.getPixel(pixel, tempVars.vect1.x, tempVars.vect1.y, tempVars.vect1.z);
            // back
            pixelIO.write(image, NEGATIVE_Z, ImageUtils.color(pixel, horizontalColor, zenithColor), x, y);
            castFunction.cast(tempVars.vect1.set(forwardU, 0, upS), castRadius);
            textureGenerator.getPixel(pixel, tempVars.vect1.x, tempVars.vect1.y, tempVars.vect1.z);
            // top
            pixelIO.write(image, NEGATIVE_Y, ImageUtils.color(pixel, horizontalColor, zenithColor), x, y);
            castFunction.cast(tempVars.vect1.set(forwardU, 1, 1 - upS), castRadius);
            textureGenerator.getPixel(pixel, tempVars.vect1.x, tempVars.vect1.y, tempVars.vect1.z);
            // bottom
            pixelIO.write(image, POSITIVE_Y, ImageUtils.color(pixel, horizontalColor, zenithColor), x, y);
            sideV = FastMath.clamp(sideV - delta, 0, 1);
            forwardV = FastMath.clamp(forwardV - delta, 0, 1);
            upS = FastMath.clamp(upS + delta, 0, 1);
        }
        sideS = FastMath.clamp(sideS - delta, 0, 1);
        forwardU = FastMath.clamp(forwardU - delta, 0, 1);
    }
    tempVars.release();
    return new TextureCubeMap(image);
}

Example 17 with Image

use of com.jme3.texture.Image in project jmonkeyengine by jMonkeyEngine.

the class ImageUtils method convertToNormalMapTexture.

/**
     * This method converts the given texture into normal-map texture.
     * 
     * @param source
     *            the source texture
     * @param strengthFactor
     *            the normal strength factor
     * @return normal-map texture
     */
public static Image convertToNormalMapTexture(Image source, float strengthFactor) {
    BufferedImage sourceImage = ImageToAwt.convert(source, false, false, 0);
    BufferedImage heightMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
    BufferedImage bumpMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
    ColorConvertOp gscale = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
    gscale.filter(sourceImage, heightMap);
    Vector3f S = new Vector3f();
    Vector3f T = new Vector3f();
    Vector3f N = new Vector3f();
    for (int x = 0; x < bumpMap.getWidth(); ++x) {
        for (int y = 0; y < bumpMap.getHeight(); ++y) {
            // generating bump pixel
            S.x = 1;
            S.y = 0;
            S.z = strengthFactor * ImageUtils.getHeight(heightMap, x + 1, y) - strengthFactor * ImageUtils.getHeight(heightMap, x - 1, y);
            T.x = 0;
            T.y = 1;
            T.z = strengthFactor * ImageUtils.getHeight(heightMap, x, y + 1) - strengthFactor * ImageUtils.getHeight(heightMap, x, y - 1);
            float den = (float) Math.sqrt(S.z * S.z + T.z * T.z + 1);
            N.x = -S.z;
            N.y = -T.z;
            N.z = 1;
            N.divideLocal(den);
            // setting thge pixel in the result image
            bumpMap.setRGB(x, y, ImageUtils.vectorToColor(N.x, N.y, N.z));
        }
    }
    return ImageUtils.toJmeImage(bumpMap, source.getFormat());
}

Example 18 with Image

use of com.jme3.texture.Image in project jmonkeyengine by jMonkeyEngine.

the class ImageUtils method merge.

/**
     * This method merges two given images. The result is stored in the
     * 'target' image.
     * 
     * @param targetImage
     *            the target image
     * @param sourceImage
     *            the source image
     */
public static void merge(Image targetImage, Image sourceImage) {
    if (sourceImage.getDepth() != targetImage.getDepth()) {
        throw new IllegalArgumentException("The given images should have the same depth to merge them!");
    }
    if (sourceImage.getWidth() != targetImage.getWidth()) {
        throw new IllegalArgumentException("The given images should have the same width to merge them!");
    }
    if (sourceImage.getHeight() != targetImage.getHeight()) {
        throw new IllegalArgumentException("The given images should have the same height to merge them!");
    }
    PixelInputOutput sourceIO = PixelIOFactory.getPixelIO(sourceImage.getFormat());
    PixelInputOutput targetIO = PixelIOFactory.getPixelIO(targetImage.getFormat());
    TexturePixel sourcePixel = new TexturePixel();
    TexturePixel targetPixel = new TexturePixel();
    int depth = targetImage.getDepth() == 0 ? 1 : targetImage.getDepth();
    for (int layerIndex = 0; layerIndex < depth; ++layerIndex) {
        for (int x = 0; x < sourceImage.getWidth(); ++x) {
            for (int y = 0; y < sourceImage.getHeight(); ++y) {
                sourceIO.read(sourceImage, layerIndex, sourcePixel, x, y);
                targetIO.read(targetImage, layerIndex, targetPixel, x, y);
                targetPixel.merge(sourcePixel);
                targetIO.write(targetImage, layerIndex, targetPixel, x, y);
            }
        }
    }
}

Example 19 with Image

use of com.jme3.texture.Image in project jmonkeyengine by jMonkeyEngine.

the class TextureHelper method getTexture.

/**
     * This class returns a texture read from the file or from packed blender
     * data. The returned texture has the name set to the value of its blender
     * type.
     * 
     * @param textureStructure
     *            texture structure filled with data
     * @param blenderContext
     *            the blender context
     * @return the texture that can be used by JME engine
     * @throws BlenderFileException
     *             this exception is thrown when the blend file structure is
     *             somehow invalid or corrupted
     */
public Texture getTexture(Structure textureStructure, Structure mTex, BlenderContext blenderContext) throws BlenderFileException {
    Texture result = (Texture) blenderContext.getLoadedFeature(textureStructure.getOldMemoryAddress(), LoadedDataType.FEATURE);
    if (result != null) {
        return result;
    }
    if ("ID".equals(textureStructure.getType())) {
        LOGGER.fine("Loading texture from external blend file.");
        return (Texture) this.loadLibrary(textureStructure);
    }
    int type = ((Number) textureStructure.getFieldValue("type")).intValue();
    int imaflag = ((Number) textureStructure.getFieldValue("imaflag")).intValue();
    switch(type) {
        case // (it is first because probably this will be most commonly used)
        TEX_IMAGE:
            Pointer pImage = (Pointer) textureStructure.getFieldValue("ima");
            if (pImage.isNotNull()) {
                Structure image = pImage.fetchData().get(0);
                Texture loadedTexture = this.loadImageAsTexture(image, imaflag, blenderContext);
                if (loadedTexture != null) {
                    result = loadedTexture;
                    this.applyColorbandAndColorFactors(textureStructure, result.getImage(), blenderContext);
                }
            }
            break;
        case TEX_CLOUDS:
        case TEX_WOOD:
        case TEX_MARBLE:
        case TEX_MAGIC:
        case TEX_BLEND:
        case TEX_STUCCI:
        case TEX_NOISE:
        case TEX_MUSGRAVE:
        case TEX_VORONOI:
        case TEX_DISTNOISE:
            result = new GeneratedTexture(textureStructure, mTex, textureGeneratorFactory.createTextureGenerator(type), blenderContext);
            break;
        case // No texture, do nothing
        TEX_NONE:
            break;
        case TEX_POINTDENSITY:
        case TEX_VOXELDATA:
        case TEX_PLUGIN:
        case TEX_ENVMAP:
        case TEX_OCEAN:
            LOGGER.log(Level.WARNING, "Unsupported texture type: {0} for texture: {1}", new Object[] { type, textureStructure.getName() });
            break;
        default:
            throw new BlenderFileException("Unknown texture type: " + type + " for texture: " + textureStructure.getName());
    }
    if (result != null) {
        result.setName(textureStructure.getName());
        result.setWrap(WrapMode.Repeat);
        // decide if the mipmaps will be generated
        switch(blenderContext.getBlenderKey().getMipmapGenerationMethod()) {
            case ALWAYS_GENERATE:
                result.setMinFilter(MinFilter.Trilinear);
                break;
            case NEVER_GENERATE:
                break;
            case GENERATE_WHEN_NEEDED:
                if ((imaflag & 0x04) != 0) {
                    result.setMinFilter(MinFilter.Trilinear);
                }
                break;
            default:
                throw new IllegalStateException("Unknown mipmap generation method: " + blenderContext.getBlenderKey().getMipmapGenerationMethod());
        }
        if (type != TEX_IMAGE) {
            // only generated textures should have this key
            result.setKey(new GeneratedTextureKey(textureStructure.getName()));
        }
        if (LOGGER.isLoggable(Level.FINE)) {
            LOGGER.log(Level.FINE, "Adding texture {0} to the loaded features with OMA = {1}", new Object[] { result.getName(), textureStructure.getOldMemoryAddress() });
        }
        blenderContext.addLoadedFeatures(textureStructure.getOldMemoryAddress(), LoadedDataType.STRUCTURE, textureStructure);
        blenderContext.addLoadedFeatures(textureStructure.getOldMemoryAddress(), LoadedDataType.FEATURE, result);
    }
    return result;
}

Example 20 with Image

use of com.jme3.texture.Image in project jmonkeyengine by jMonkeyEngine.

the class TextureHelper method getSubimage.

/**
     * This method returns subimage of the give image. The subimage is
     * constrained by the rectangle coordinates. The source image is unchanged.
     * 
     * @param image
     *            the image to be subimaged
     * @param minX
     *            minimum X position
     * @param minY
     *            minimum Y position
     * @param maxX
     *            maximum X position
     * @param maxY
     *            maximum Y position
     * @return a part of the given image
     */
public Image getSubimage(Image image, int minX, int minY, int maxX, int maxY) {
    if (minY > maxY) {
        throw new IllegalArgumentException("Minimum Y value is higher than maximum Y value!");
    }
    if (minX > maxX) {
        throw new IllegalArgumentException("Minimum Y value is higher than maximum Y value!");
    }
    if (image.getData().size() > 1) {
        throw new IllegalArgumentException("Only flat images are allowed for subimage operation!");
    }
    if (image.getMipMapSizes() != null) {
        LOGGER.warning("Subimaging image with mipmaps is not yet supported!");
    }
    int width = maxX - minX;
    int height = maxY - minY;
    ByteBuffer data = BufferUtils.createByteBuffer(width * height * (image.getFormat().getBitsPerPixel() >> 3));
    Image result = new Image(image.getFormat(), width, height, data, ColorSpace.sRGB);
    PixelInputOutput pixelIO = PixelIOFactory.getPixelIO(image.getFormat());
    TexturePixel pixel = new TexturePixel();
    for (int x = minX; x < maxX; ++x) {
        for (int y = minY; y < maxY; ++y) {
            pixelIO.read(image, 0, pixel, x, y);
            pixelIO.write(result, 0, pixel, x - minX, y - minY);
        }
    }
    return result;
}