1、nifty gui1.3中修改代码,使其支持中文的输入:

com.jme3.input.awt.AwtKeyInput类,添加toAWTCode(int key)方法,将jme3中的keyCode转换成awt中的keyCode:

 public static int toAWTCode(int key) {
        switch (key) {
            case KEY_ESCAPE:
                return KeyEvent.VK_ESCAPE;
            case KEY_1:
                return KeyEvent.VK_1;
            case KEY_2:
                return KeyEvent.VK_2;
            case KEY_3:
                return KeyEvent.VK_3;
            case KEY_4:
                return KeyEvent.VK_4;
            case KEY_5:
                return KeyEvent.VK_5;
            case KEY_6:
                return KeyEvent.VK_6;
            case KEY_7:
                return KeyEvent.VK_7;
            case KEY_8:
                return KeyEvent.VK_8;
            case KEY_9:
                return KeyEvent.VK_9;
            case KEY_0:
                return KeyEvent.VK_0;
            case KEY_MINUS:
                return KeyEvent.VK_MINUS;
            case KEY_EQUALS:
                return KeyEvent.VK_EQUALS;
            case KEY_BACK:
                return KeyEvent.VK_BACK_SPACE;
            case KEY_TAB:
                return KeyEvent.VK_TAB;
            case KEY_Q:
                return KeyEvent.VK_Q;
            case KEY_W:
                return KeyEvent.VK_W;
            case KEY_E:
                return KeyEvent.VK_E;
            case KEY_R:
                return KeyEvent.VK_R;
            case KEY_T:
                return KeyEvent.VK_T;
            case KEY_Y:
                return KeyEvent.VK_Y;
            case KEY_U:
                return KeyEvent.VK_U;
            case KEY_I:
                return KeyEvent.VK_I;
            case KEY_O:
                return KeyEvent.VK_O;
            case KEY_P:
                return KeyEvent.VK_P;
            case KEY_LBRACKET:
                return KeyEvent.VK_OPEN_BRACKET;
            case KEY_RBRACKET:
                return KeyEvent.VK_CLOSE_BRACKET;
            case KEY_RETURN:
                return KeyEvent.VK_ENTER;
            case KEY_LCONTROL:
                return KeyEvent.VK_CONTROL;
            case KEY_A:
                return KeyEvent.VK_A;
            case KEY_S:
                return KeyEvent.VK_S;
            case KEY_D:
                return KeyEvent.VK_D;
            case KEY_F:
                return KeyEvent.VK_F;
            case KEY_G:
                return KeyEvent.VK_G;
            case KEY_H:
                return KeyEvent.VK_H;
            case KEY_J:
                return KeyEvent.VK_J;
            case KEY_K:
                return KeyEvent.VK_K;
            case KEY_L:
                return KeyEvent.VK_L;
            case KEY_SEMICOLON:
                return KeyEvent.VK_SEMICOLON;
            case KEY_APOSTROPHE:
                return KeyEvent.VK_QUOTE;
            case KEY_GRAVE:
                return KeyEvent.VK_DEAD_GRAVE;
            case KEY_LSHIFT:
                return KeyEvent.VK_SHIFT;
            case KEY_BACKSLASH:
                return KeyEvent.VK_BACK_SLASH;
            case KEY_Z:
                return KeyEvent.VK_Z;
            case KEY_X:
                return KeyEvent.VK_X;
            case KEY_C:
                return KeyEvent.VK_C;
            case KEY_V:
                return KeyEvent.VK_V;
            case KEY_B:
                return KeyEvent.VK_B;
            case KEY_N:
                return KeyEvent.VK_N;
            case KEY_M:
                return KeyEvent.VK_M;
            case KEY_COMMA:
                return KeyEvent.VK_COMMA;
            case KEY_PERIOD:
                return KeyEvent.VK_PERIOD;
            case KEY_SLASH:
                return KeyEvent.VK_SLASH;
            case KEY_RSHIFT:
                return KeyEvent.VK_SHIFT;
            case KEY_MULTIPLY:
                return KeyEvent.VK_MULTIPLY;
            case KEY_SPACE:
                return KeyEvent.VK_SPACE;
            case KEY_CAPITAL:
                return KeyEvent.VK_CAPS_LOCK;
            case KEY_F1:
                return KeyEvent.VK_F1;
            case KEY_F2:
                return KeyEvent.VK_F2;
            case KEY_F3:
                return KeyEvent.VK_F3;
            case KEY_F4:
                return KeyEvent.VK_F4;
            case KEY_F5:
                return KeyEvent.VK_F5;
            case KEY_F6:
                return KeyEvent.VK_F6;
            case KEY_F7:
                return KeyEvent.VK_F7;
            case KEY_F8:
                return KeyEvent.VK_F8;
            case KEY_F9:
                return KeyEvent.VK_F9;
            case KEY_F10:
                return KeyEvent.VK_F10;
            case KEY_NUMLOCK:
                return KeyEvent.VK_NUM_LOCK;
            case KEY_SCROLL:
                return KeyEvent.VK_SCROLL_LOCK;
            case KEY_NUMPAD7:
                return KeyEvent.VK_NUMPAD7;
            case KEY_NUMPAD8:
                return KeyEvent.VK_NUMPAD8;
            case KEY_NUMPAD9:
                return KeyEvent.VK_NUMPAD9;
            case KEY_SUBTRACT:
                return KeyEvent.VK_SUBTRACT;
            case KEY_NUMPAD4:
                return KeyEvent.VK_NUMPAD4;
            case KEY_NUMPAD5:
                return KeyEvent.VK_NUMPAD5;
            case KEY_NUMPAD6:
                return KeyEvent.VK_NUMPAD6;
            case KEY_ADD:
                return KeyEvent.VK_ADD;
            case KEY_NUMPAD1:
                return KeyEvent.VK_NUMPAD1;
            case KEY_NUMPAD2:
                return KeyEvent.VK_NUMPAD2;
            case KEY_NUMPAD3:
                return KeyEvent.VK_NUMPAD3;
            case KEY_NUMPAD0:
                return KeyEvent.VK_NUMPAD0;
            case KEY_DECIMAL:
                return KeyEvent.VK_DECIMAL;
            case KEY_F11:
                return KeyEvent.VK_F11;
            case KEY_F12:
                return KeyEvent.VK_F12;
            case KEY_F13:
                return KeyEvent.VK_F13;
            case KEY_F14:
                return KeyEvent.VK_F14;
            case KEY_F15:
                return KeyEvent.VK_F15;
            case KEY_KANA:
                return KeyEvent.VK_KANA;
            case KEY_CONVERT:
                return KeyEvent.VK_CONVERT;
            case KEY_NOCONVERT:
                return KeyEvent.VK_NONCONVERT;
            case KEY_NUMPADEQUALS:
                return KeyEvent.VK_EQUALS;
            case KEY_CIRCUMFLEX:
                return KeyEvent.VK_CIRCUMFLEX;
            case KEY_AT:
                return KeyEvent.VK_AT;
            case KEY_COLON:
                return KeyEvent.VK_COLON;
            case KEY_UNDERLINE:
                return KeyEvent.VK_UNDERSCORE;
            case KEY_STOP:
                return KeyEvent.VK_STOP;
            case KEY_NUMPADENTER:
                return KeyEvent.VK_ENTER;
            case KEY_RCONTROL:
                return KeyEvent.VK_CONTROL;
            case KEY_NUMPADCOMMA:
                return KeyEvent.VK_COMMA;
            case KEY_DIVIDE:
                return KeyEvent.VK_DIVIDE;
            case KEY_PAUSE:
                return KeyEvent.VK_PAUSE;
            case KEY_HOME:
                return KeyEvent.VK_HOME;
            case KEY_UP:
                return KeyEvent.VK_UP;
            case KEY_PRIOR:
                return KeyEvent.VK_PAGE_UP;
            case KEY_LEFT:
                return KeyEvent.VK_LEFT;
            case KEY_RIGHT:
                return KeyEvent.VK_RIGHT;
            case KEY_END:
                return KeyEvent.VK_END;
            case KEY_DOWN:
                return KeyEvent.VK_DOWN;
            case KEY_NEXT:
                return KeyEvent.VK_PAGE_DOWN;
            case KEY_INSERT:
                return KeyEvent.VK_INSERT;
            case KEY_DELETE:
                return KeyEvent.VK_DELETE;
            case KEY_LMENU:
                return KeyEvent.VK_ALT; //todo: location left
            case KEY_RMENU:
                return KeyEvent.VK_ALT; //todo: location right
        }
        logger.warning("unsupported key:" + key);
        return 0x10000 + key;
    }

修改com.jme3.input.lwjgl.LwjglKeyInput中的update方法,使其能处理接收到的中文字符:


package com.jme3.input.lwjgl;

import com.jme3.input.KeyInput;
import com.jme3.input.event.KeyInputEvent;
import com.jme3.input.RawInputListener;
import com.jme3.system.lwjgl.LwjglAbstractDisplay;
import com.jme3.system.lwjgl.LwjglTimer;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.SwingUtilities;
import org.lwjgl.LWJGLException;
import org.lwjgl.Sys;
import org.lwjgl.input.Keyboard;

public class LwjglKeyInput implements KeyInput {

    private static final Logger logger = Logger.getLogger(LwjglKeyInput.class.getName());

    private LwjglAbstractDisplay context;

    private RawInputListener listener;

    public LwjglKeyInput(LwjglAbstractDisplay context) {
        this.context = context;
    }

    public void initialize() {
        if (!context.isRenderable())
            return;

        try {
            Keyboard.create();
            Keyboard.enableRepeatEvents(true);
            logger.info("Keyboard created.");
        } catch (LWJGLException ex) {
            logger.log(Level.SEVERE, "Error while creating keyboard.", ex);
        }
    }

    public int getKeyCount() {
        return Keyboard.KEYBOARD_SIZE;
    }

    char chcode = 0;

    public void update() {
        if (!context.isRenderable())
            return;

        Keyboard.poll();
        while (Keyboard.next()) {
            //不支持中文的
//            int keyCode = Keyboard.getEventKey();
//            char keyChar = Keyboard.getEventCharacter();
//            System.out.println("keyCode=========" + keyCode);
//            System.out.println("character==========" + keyChar);
//            boolean pressed = Keyboard.getEventKeyState();
//            boolean down = Keyboard.isRepeatEvent();
//            long time = Keyboard.getEventNanoseconds();
//            KeyInputEvent evt = new KeyInputEvent(keyCode, keyChar, pressed, down);
//            evt.setTime(time);
//            listener.onKeyEvent(evt);

            //注意:以后如果有部分特殊按键输入出问题的话,最有可能出问题的地方时keyCode的重新计算

            //若接受到的是中文
            char character = Keyboard.getEventCharacter();
            if (chcode == 0) {
                chcode = character;
                if (character > 127) {
                    return;
                }
            } else {
                chcode = (char) (character + (chcode << 8));
            }

            try {
                SwingUtilities.invokeAndWait(new Runnable() {
                    public void run() {
                        long time = Keyboard.getEventNanoseconds();
                        if (Keyboard.getEventKeyState()) // if pressed
                        {
                            sendEvent(time, Keyboard.getEventKey(), chcode, true);
                        } else {
                            sendEvent(time, Keyboard.getEventKey(), chcode, false);
                        }
                        chcode = 0;
                    }
                });
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (InvocationTargetException e) {
                e.printStackTrace();
            }
        }
    }

    private Map<Int, Char> characters = new HashMap<Int, Char>();
    private static Int anInt = new Int(0);


    private void handEvent(long time, int keyCode, char character, boolean pressed) {
        KeyInputEvent evt = new KeyInputEvent(keyCode, character, pressed, Keyboard.isRepeatEvent());
        evt.setTime(time);
        listener.onKeyEvent(evt);
    }

    private void sendEvent(long time, int keyCode2, char character, boolean pressed) {
        int keyCode = com.jme3.input.awt.AwtKeyInput.toAWTCode(keyCode2);
        try {
            if (keyCode != 0) {
//                if (character == '\0') {
//                    character = KeyEvent.CHAR_UNDEFINED;
//                }
                if (pressed) {
//                    if (character != KeyEvent.CHAR_UNDEFINED) {
                    if (character <= 255) {
                        //英文和特殊字符,即之前不支持中文时的字符
                        handEvent(time, keyCode2, character, pressed);
                    }

                    anInt.value = keyCode;
                    Char c = characters.get(anInt);
                    if (c == null) {
                        characters.put(new Int(keyCode), new Char(character));
                    } else {
                        c.value = character;
                    }
                }
                if (!pressed) {
                    anInt.value = keyCode;
                    if (character > 255 && character < 65535) {
                        char s = new String(new byte[]{(byte) (character / 256), (byte) (character % 256)}, "gbk").toCharArray()[0];
                        //中文
                        handEvent(time, keyCode, s, true);
                        handEvent(time, keyCode, s, false);

                    } else {
                        //英文和特殊字符,即之前不支持中文时的字符
                        handEvent(time, keyCode2, character, false);
                    }
                }
            }
        } catch (Exception e) {
//             logger.info("");
        }
    }

    private static class Int {
        public Int(int value) {
            this.value = value;
        }

        public boolean equals(Object obj) {
            return obj instanceof Int && ((Int) obj).value == value;
        }

        public int hashCode() {
            return value;
        }

        int value;
    }

    private static class Char {
        public Char(char value) {
            this.value = value;
        }

        char value;
    }

    public void destroy() {
        if (!context.isRenderable())
            return;

        Keyboard.destroy();
        logger.info("Keyboard destroyed.");
    }

    public boolean isInitialized() {
        return Keyboard.isCreated();
    }

    public void setInputListener(RawInputListener listener) {
        this.listener = listener;
    }

    public long getInputTimeNanos() {
        return Sys.getTime() * LwjglTimer.LWJGL_TIME_TO_NANOS;
    }
}

2、上面只是能接收到中文了,但是仍还不能显示中文在界面上,下面将渲染包含中文字符在界面上。

在com.jme3.niftygui包中添加类RenderFontAWT:

 
package com.jme3.niftygui;

import de.lessvoid.nifty.spi.render.RenderFont;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.image.BufferedImage;
 
public class RenderFontAWT implements RenderFont {

    private FontMetrics fontMetrics;

    public RenderFontAWT() {
        BufferedImage image = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB_PRE);
        Font awtFont = new Font("黑体", java.awt.Font.PLAIN, 12);
        fontMetrics = image.createGraphics().getFontMetrics(awtFont);
    }

    @Override
    public int getWidth(String text) {
        if (text.length() == 0) {
            return 0;
        }
        return fontMetrics.stringWidth(text);
    }

    @Override
    public int getHeight() {
        return (fontMetrics.getMaxAscent() + fontMetrics.getMaxDescent());
    }

    @Override
    public Integer getCharacterAdvance(char currentCharacter, char nextCharacter, float size) {
        return null;
    }

    @Override
    public void dispose() {
        //To change body of implemented methods use File | Settings | File Templates.
    }
}

在com.jme3.niftygui包中添加类RenderDeviceAWT:

package com.jme3.niftygui;

import com.jme3.material.Material;
import com.jme3.material.RenderState;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Matrix4f;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.Renderer;
import com.jme3.scene.Geometry;
import com.jme3.scene.Mesh;
import com.jme3.scene.VertexBuffer;
import com.jme3.scene.VertexBuffer.Format;
import com.jme3.scene.VertexBuffer.Type;
import com.jme3.scene.VertexBuffer.Usage;
import com.jme3.scene.shape.Quad;
import com.jme3.texture.Texture;
import com.jme3.texture.Texture2D;
import com.jme3.util.BufferUtils;
import de.lessvoid.nifty.render.BlendMode;
import de.lessvoid.nifty.spi.render.*;
import de.lessvoid.nifty.tools.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.Transparency;
import java.awt.image.BufferedImage;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
 
public class RenderDeviceAWT implements RenderDevice {
    private FontMetrics fontMetrics;
    private Font awtFont = null;
    private NiftyJmeDisplay display;
    private RenderManager rm;
    private Renderer r;

    private final Quad quad = new Quad(1, -1, true);
    private final Geometry quadGeom = new Geometry("nifty-quad", quad);
    private final Material niftyMat;

    private boolean clipWasSet = false;
    private BlendMode blendMode = null;

    private VertexBuffer quadDefaultTC = quad.getBuffer(Type.TexCoord);
    private VertexBuffer quadModTC = quadDefaultTC.clone();
    private VertexBuffer quadColor;

    private Matrix4f tempMat = new Matrix4f();
    private ColorRGBA tempColor = new ColorRGBA();

    public RenderDeviceAWT(NiftyJmeDisplay display) {
        this.display = display;
        BufferedImage image = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB_PRE);
        awtFont = new Font("黑体", java.awt.Font.PLAIN, 12);
        fontMetrics = image.createGraphics().getFontMetrics(awtFont);
        quadColor = new VertexBuffer(Type.Color);
        quadColor.setNormalized(true);
        ByteBuffer bb = BufferUtils.createByteBuffer(4 * 4);
        quadColor.setupData(Usage.Stream, 4, Format.UnsignedByte, bb);
        quad.setBuffer(quadColor);
        quadModTC.setUsage(Usage.Stream);
        niftyMat = new Material(display.getAssetManager(), "Common/MatDefs/Nifty/Nifty.j3md");
        niftyMat.getAdditionalRenderState().setDepthTest(false);
    }

    public void setRenderManager(RenderManager rm) {
        this.rm = rm;
        this.r = rm.getRenderer();
    }

    // TODO: Cursor support
    public MouseCursor createMouseCursor(String str, int x, int y){
        return new MouseCursor() {
            public void dispose() {
            }
        };
    }

    public void enableMouseCursor(MouseCursor cursor){
    }

    public void disableMouseCursor(){
    }

    public RenderImage createImage(String filename, boolean linear) {
        return new RenderImageJme(filename, linear, display);
    }

    public RenderFont createFont(String filename) {
//        return new RenderFontJme(filename, display);
        return new RenderFontAWT();
    }

    public void beginFrame() {
    }

    public void endFrame() {
    }

    public int getWidth() {
        return display.getWidth();
    }

    public int getHeight() {
        return display.getHeight();
    }

    public void clear() {
    }

    public void setBlendMode(BlendMode blendMode) {
        if (this.blendMode != blendMode) {
            this.blendMode = blendMode;
        }
    }

    private RenderState.BlendMode convertBlend(){
        if (blendMode == null)
            return RenderState.BlendMode.Off;
        else if (blendMode == BlendMode.BLEND)
            return RenderState.BlendMode.Alpha;
        else if (blendMode == BlendMode.MULIPLY)
            return RenderState.BlendMode.Modulate;
        else
            throw new UnsupportedOperationException();
    }

    private int convertColor(Color color){
        int color2 = 0;
        color2 |= ((int)(255.0 * color.getAlpha())) << 24;
        color2 |= ((int)(255.0 * color.getBlue())) << 16;
        color2 |= ((int)(255.0 * color.getGreen())) << 8;
        color2 |= ((int)(255.0 * color.getRed()));
        return color2;
    }

    private ColorRGBA convertColor(Color inColor, ColorRGBA outColor){
        return outColor.set(inColor.getRed(), inColor.getGreen(), inColor.getBlue(), inColor.getAlpha());
    }

    private void setColor(Color color){
        ByteBuffer buf = (ByteBuffer) quadColor.getData();
        buf.rewind();

        int color2 = convertColor(color);
        buf.putInt(color2);
        buf.putInt(color2);
        buf.putInt(color2);
        buf.putInt(color2);

        buf.flip();
        quadColor.updateData(buf);
    }

    public void renderFont(RenderFont font, String str, int x, int y, Color color, float size) {
        //多行时还不知道有没有问题
        if (str.length() == 0) {
            return;
        }
//        if (font instanceof TextRenderer.RenderFontNull) {
//            return;
//        }
        Texture texture = createTexture2D(str);

        // WARNING: Not compatible with OpenGL1 implementations..
        niftyMat.setColor("Color", convertColor(color, tempColor));

        niftyMat.setBoolean("UseTex", true);
        niftyMat.setTexture("Texture", texture);
//        niftyMat.setInt("m_Mode", 3);
        niftyMat.getAdditionalRenderState().setBlendMode(convertBlend());

        float width = texture.getImage().getWidth();
        float height = texture.getImage().getHeight();

        Mesh text1 = new Quad(width, height);
        Geometry text2 = new Geometry("text", text1);

        float x0 = x + 0.5f * width * (1f - size);
        float y0 = y + 0.5f * height * (1f - size) + height;

        tempMat.loadIdentity();
        tempMat.setTranslation(x0, getHeight() - y0, 0);
        tempMat.setScale(size, size, 0);
        rm.setWorldMatrix(tempMat);
        niftyMat.render(text2, rm);
    }

    private Texture2D createTexture2D(String str) {
        BufferedImage bi = new BufferedImage(fontMetrics.stringWidth(str), fontMetrics.getMaxAscent() + fontMetrics.getMaxDescent(),
                BufferedImage.TYPE_INT_ARGB);
         java.awt.Color renderColor = java.awt.Color.WHITE;
        Graphics2D g = (Graphics2D) bi.getGraphics();
        g.setColor(renderColor);
        g.setBackground(java.awt.Color.WHITE);
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setFont(awtFont);
        g.drawString(str, 0, fontMetrics.getMaxAscent() - 1);
        Texture2D texture2d = new Texture2D(load(bi, true));
        texture2d.setMagFilter(Texture.MagFilter.Bilinear);
        texture2d.setMinFilter(Texture.MinFilter.BilinearNoMipMaps);
        return texture2d;
    }

    private com.jme3.texture.Image load(BufferedImage img, boolean flipY) {
        int width = img.getWidth();
        int height = img.getHeight();

        switch (img.getType()) {
            case BufferedImage.TYPE_3BYTE_BGR: // most common in JPEG images
                byte[] dataBuf = extractImageData(img);
                if (flipY) {
                    flipImage(dataBuf, width, height, 24);
                }
                ByteBuffer data = BufferUtils.createByteBuffer(img.getWidth() * img.getHeight() * 3);
                data.put(dataBuf);
                return new com.jme3.texture.Image(com.jme3.texture.Image.Format.BGR8, width, height, data);
            case BufferedImage.TYPE_BYTE_GRAY: // grayscale fonts
                byte[] dataBuf2 = extractImageData(img);
                if (flipY) {
                    flipImage(dataBuf2, width, height, 8);
                }
                ByteBuffer data2 = BufferUtils.createByteBuffer(img.getWidth() * img.getHeight());
                data2.put(dataBuf2);
                return new com.jme3.texture.Image(com.jme3.texture.Image.Format.Luminance8, width, height, data2);
            default:
                break;
        }

        if (img.getTransparency() == Transparency.OPAQUE) {
            ByteBuffer data = BufferUtils.createByteBuffer(img.getWidth() * img.getHeight() * 3);
            // no alpha
            for (int y = 0; y < height; y++) {
                for (int x = 0; x < width; x++) {
                    int ny = y;
                    if (flipY) {
                        ny = height - y - 1;
                    }

                    int rgb = img.getRGB(x, ny);
                    byte r = (byte) ((rgb & 0x00FF0000) >> 16);
                    byte g = (byte) ((rgb & 0x0000FF00) >> 8);
                    byte b = (byte) ((rgb & 0x000000FF));
                    data.put(r).put(g).put(b);
                }
            }
            data.flip();
            return new com.jme3.texture.Image(com.jme3.texture.Image.Format.RGB8, width, height, data);
        } else {
            ByteBuffer data = BufferUtils.createByteBuffer(img.getWidth() * img.getHeight() * 4);
            // no alpha
            for (int y = 0; y < height; y++) {
                for (int x = 0; x < width; x++) {
                    int ny = y;
                    if (flipY) {
                        ny = height - y - 1;
                    }

                    int rgb = img.getRGB(x, ny);
                    byte a = (byte) ((rgb & 0xFF000000) >> 24);
                    byte r = (byte) ((rgb & 0x00FF0000) >> 16);
                    byte g = (byte) ((rgb & 0x0000FF00) >> 8);
                    byte b = (byte) ((rgb & 0x000000FF));
                    data.put(r).put(g).put(b).put(a);
                }
            }
            data.flip();
            return new com.jme3.texture.Image(com.jme3.texture.Image.Format.RGBA8, width, height, data);
        }
    }

    private byte[] extractImageData(BufferedImage img) {
        DataBuffer buf = img.getRaster().getDataBuffer();
        switch (buf.getDataType()) {
            case DataBuffer.TYPE_BYTE:
                DataBufferByte byteBuf = (DataBufferByte) buf;
                return byteBuf.getData();
        }
        return null;
    }

    private void flipImage(byte[] img, int width, int height, int bpp) {
        int scSz = (width * bpp) / 8;
        byte[] sln = new byte[scSz];
        int y2;
        for (int y1 = 0; y1 < height / 2; y1++) {
            y2 = height - y1 - 1;
            System.arraycopy(img, y1 * scSz, sln, 0, scSz);
            System.arraycopy(img, y2 * scSz, img, y1 * scSz, scSz);
            System.arraycopy(sln, 0, img, y2 * scSz, scSz);
        }
    }

    public void renderImage(RenderImage image, int x, int y, int w, int h,
                            int srcX, int srcY, int srcW, int srcH,
                            Color color, float scale,
                            int centerX, int centerY) {

        RenderImageJme jmeImage = (RenderImageJme) image;
        Texture2D texture = jmeImage.getTexture();

        niftyMat.getAdditionalRenderState().setBlendMode(convertBlend());
        niftyMat.setColor("Color", ColorRGBA.White);
        niftyMat.setTexture("Texture", texture);
        niftyMat.setBoolean("UseTex", true);
        setColor(color);

        float imageWidth = texture.getImage().getWidth();
        float imageHeight = texture.getImage().getHeight();
        FloatBuffer texCoords = (FloatBuffer) quadModTC.getData();

        float startX = srcX / imageWidth;
        float startY = srcY / imageHeight;
        float endX = startX + (srcW / imageWidth);
        float endY = startY + (srcH / imageHeight);

        startY = 1f - startY;
        endY = 1f - endY;

        texCoords.rewind();
        texCoords.put(startX).put(startY);
        texCoords.put(endX).put(startY);
        texCoords.put(endX).put(endY);
        texCoords.put(startX).put(endY);
        texCoords.flip();
        quadModTC.updateData(texCoords);

        quad.clearBuffer(VertexBuffer.Type.TexCoord);
        quad.setBuffer(quadModTC);

        float x0 = centerX + (x - centerX) * scale;
        float y0 = centerY + (y - centerY) * scale;

        tempMat.loadIdentity();
        tempMat.setTranslation(x0, getHeight() - y0, 0);
        tempMat.setScale(w * scale, h * scale, 0);

        rm.setWorldMatrix(tempMat);
        niftyMat.render(quadGeom, rm);
    }

    public void renderImage(RenderImage image, int x, int y, int width, int height,
                            Color color, float imageScale) {

        RenderImageJme jmeImage = (RenderImageJme) image;

        niftyMat.getAdditionalRenderState().setBlendMode(convertBlend());
        niftyMat.setColor("Color", ColorRGBA.White);
        niftyMat.setTexture("Texture", jmeImage.getTexture());
        niftyMat.setBoolean("UseTex", true);
        setColor(color);

        quad.clearBuffer(VertexBuffer.Type.TexCoord);
        quad.setBuffer(quadDefaultTC);

        float x0 = x + 0.5f * width * (1f - imageScale);
        float y0 = y + 0.5f * height * (1f - imageScale);

        tempMat.loadIdentity();
        tempMat.setTranslation(x0, getHeight() - y0, 0);
        tempMat.setScale(width * imageScale, height * imageScale, 0);

        rm.setWorldMatrix(tempMat);
        niftyMat.render(quadGeom, rm);
    }

    public void renderQuad(int x, int y, int width, int height, Color color) {
        niftyMat.getAdditionalRenderState().setBlendMode(convertBlend());
        niftyMat.setColor("Color", ColorRGBA.White);
        niftyMat.clearParam("Texture");
        niftyMat.setBoolean("UseTex", false);
        setColor(color);

        tempMat.loadIdentity();
        tempMat.setTranslation(x, getHeight() - y, 0);
        tempMat.setScale(width, height, 0);

        rm.setWorldMatrix(tempMat);
        niftyMat.render(quadGeom, rm);
    }

    public void renderQuad(int x, int y, int width, int height,
                           Color topLeft, Color topRight, Color bottomRight, Color bottomLeft) {

        VertexBuffer colors = quad.getBuffer(VertexBuffer.Type.Color);
        ByteBuffer buf = (ByteBuffer) colors.getData();
        buf.rewind();
        buf.putInt(convertColor(bottomRight));
        buf.putInt(convertColor(bottomLeft));
        buf.putInt(convertColor(topLeft));
        buf.putInt(convertColor(topRight));
        buf.flip();
        colors.updateData(buf);

        niftyMat.getAdditionalRenderState().setBlendMode(convertBlend());
        niftyMat.setColor("Color", ColorRGBA.White);
        niftyMat.clearParam("Texture");
        niftyMat.setBoolean("UseTex", false);

        tempMat.loadIdentity();
        tempMat.setTranslation(x, getHeight() - y, 0);
        tempMat.setScale(width, height, 0);

        rm.setWorldMatrix(tempMat);
        niftyMat.render(quadGeom, rm);
    }

    public void enableClip(int x0, int y0, int x1, int y1) {
        clipWasSet = true;
        r.setClipRect(x0, getHeight() - y1, x1 - x0, y1 - y0);
    }

    public void disableClip() {
        if (clipWasSet) {
            r.clearClipRect();
            clipWasSet = false;
        }
    }

}

修改com.jme3.niftygui.NiftyJmeDisplay类,将其中用到RenderDeviceJme的地方改成RenderDeviceAWT即可:

package com.jme3.niftygui;

import com.jme3.asset.AssetInfo;
import com.jme3.asset.AssetKey;
import com.jme3.asset.AssetManager;
import com.jme3.audio.AudioRenderer;
import com.jme3.input.InputManager;
import com.jme3.post.SceneProcessor;
import com.jme3.renderer.RenderManager;
import com.jme3.renderer.Renderer;
import com.jme3.renderer.ViewPort;
import com.jme3.renderer.queue.RenderQueue;
import com.jme3.texture.FrameBuffer;
import de.lessvoid.nifty.Nifty;
import de.lessvoid.nifty.spi.render.RenderDevice;
import de.lessvoid.nifty.tools.TimeProvider;
import de.lessvoid.nifty.tools.resourceloader.ResourceLoader;
import de.lessvoid.nifty.tools.resourceloader.ResourceLocation;
import java.io.InputStream;
import java.net.URL;

public class NiftyJmeDisplay implements SceneProcessor {

    protected boolean inited = false;
    protected Nifty nifty;
    protected AssetManager assetManager;
    protected RenderManager renderManager;
//    protected RenderDeviceJme renderDev;
    protected RenderDeviceAWT renderDev;
    protected InputSystemJme inputSys;
    protected SoundDeviceJme soundDev;
    protected Renderer renderer;
    protected ViewPort vp;
  
    protected ResourceLocationJme resourceLocation;

    protected int w, h;

    protected class ResourceLocationJme implements ResourceLocation {

        public InputStream getResourceAsStream(String path) {
            AssetKey<Object> key = new AssetKey<Object>(path);
            AssetInfo info = assetManager.locateAsset(key);
            return info.openStream();
        }

        public URL getResource(String path) {
            throw new UnsupportedOperationException();
        }
    }

    //Empty constructor needed for jMP to create replacement input system
    public NiftyJmeDisplay() {
    }
  
    public NiftyJmeDisplay(AssetManager assetManager,
                           InputManager inputManager,
                           AudioRenderer audioRenderer,
                           ViewPort vp){
        this.assetManager = assetManager;

        w = vp.getCamera().getWidth();
        h = vp.getCamera().getHeight();

        resourceLocation = new ResourceLocationJme();
        ResourceLoader.removeAllResourceLocations();
        ResourceLoader.addResourceLocation(resourceLocation);

        soundDev = new SoundDeviceJme(assetManager, audioRenderer);
//        renderDev = new RenderDeviceJme(this);
        renderDev = new RenderDeviceAWT(this);
        inputSys = new InputSystemJme(inputManager);
        if (inputManager != null)
            inputManager.addRawInputListener(inputSys);
      
        nifty = new Nifty(renderDev, soundDev, inputSys, new TimeProvider());
        inputSys.setNifty(nifty);
    }

    public void initialize(RenderManager rm, ViewPort vp) {
        this.renderManager = rm;
        renderDev.setRenderManager(rm);
        inited = true;
        this.vp = vp;
        this.renderer = rm.getRenderer();
      
        inputSys.setHeight(vp.getCamera().getHeight());
    }

    public Nifty getNifty() {
        return nifty;
    }

//    RenderDeviceJme getRenderDevice() {
    RenderDevice getRenderDevice() {
        return renderDev;
    }

    AssetManager getAssetManager() {
        return assetManager;
    }

    RenderManager getRenderManager() {
        return renderManager;
    }

    int getHeight() {
        return h;
    }

    int getWidth() {
        return w;
    }

    Renderer getRenderer(){
        return renderer;
    }

    public void reshape(ViewPort vp, int w, int h) {
        this.w = w;
        this.h = h;
        inputSys.setHeight(h);
    }

    public boolean isInitialized() {
        return inited;
    }

    public void preFrame(float tpf) {
    }

    public void postQueue(RenderQueue rq) {
        // render nifty before anything else
        renderManager.setCamera(vp.getCamera(), true);
        //nifty.update();
        nifty.render(false);
        renderManager.setCamera(vp.getCamera(), false);
    }

    public void postFrame(FrameBuffer out) {
    }

    public void cleanup() {
        inited = false;
//        nifty.exit();
    }

}