com.badlogic.gdx.graphics.Pixmap Java Examples

public synchronized static SmartTexture createSolid( int color ) {
	final String key = "1x1:" + color;
	
	if (all.containsKey( key )) {
		
		return all.get( key );
		
	} else {
		
		Pixmap pixmap =new Pixmap( 1, 1, Pixmap.Format.RGBA8888 );
		// In the rest of the code ARGB is used
		pixmap.setColor( (color << 8) | (color >>> 24) );
		pixmap.fill();
		
		SmartTexture tx = new SmartTexture( pixmap );
		all.put( key, tx );
		
		return tx;
	}
}
 

public ToolHandle pick(ToolHandle[] handles, EditorScene scene, int screenX, int screenY) {
    begin(scene.viewport);
    renderPickableScene(handles, scene.sceneGraph.batch, scene.cam);
    end();
    Pixmap pm = getFrameBufferPixmap(scene.viewport);

    int x = screenX - scene.viewport.getScreenX();
    int y = screenY - (Gdx.graphics.getHeight() - (scene.viewport.getScreenY() + scene.viewport.getScreenHeight()));

    int id = PickerColorEncoder.decode(pm.getPixel(x, y));
    Log.trace("ToolHandlePicker", "Picking handle with id {}", id);
    for (ToolHandle handle : handles) {
        if (handle.getId() == id) {
            return handle;
        }
    }

    return null;
}
 

public MapLoader(World b2dWorld, com.artemis.World world, int level) {
    this.b2dWorld = b2dWorld;
    this.world = world;
    this.level = level;
    assetManager = GameManager.getInstance().getAssetManager();

    pixmap = assetManager.get("maps/level_" + level + ".png", Pixmap.class);
    switch (level) {
        case 5:
            tileTextureAtlas = assetManager.get("maps/area_3_tiles.pack", TextureAtlas.class);
            break;
        case 4:
        case 3:
            tileTextureAtlas = assetManager.get("maps/area_2_tiles.pack", TextureAtlas.class);
            break;
        case 2:
        case 1:
        default:
            tileTextureAtlas = assetManager.get("maps/area_1_tiles.pack", TextureAtlas.class);
            break;
    }

    mapWidth = pixmap.getWidth();
    mapHeight = pixmap.getHeight();
}
 

/**
 * @deprecated
 *
 * WARNING THIS IS FOR TESTING PURPOSES ONLY,
 * DO NOT USE AS THIS HAS HORRIBLE PERFORMANCE
 *
 * @param batch
 * @param parentAlpha
 */
public void drawPixmap(Batch batch, float parentAlpha) {
    SimplexNoise simplexNoise = new SimplexNoise();
    pixmap.setColor(0, 0, 0, 1f);
    pixmap.fill();
    for(int x = 0; x < 165; x++) {
        for(int y = 0; y < 100; y++) {
            float v = simplexNoise.query(x/165f, y/100f, frequency) *0.5f + 0.5f;
            pixmap.setColor(v, v, v, 1f);
            pixmap.drawPixel(x, y);
        }
    }

    Texture texture = new Texture(pixmap, Pixmap.Format.RGB888, false);
    batch.draw(texture, getX(), getY());
}
 

@Override
public void consumeCubemapData () {
	for(int level = 0 ; level<levels ; level++){
		for (int i = 0; i < 6; i++) {
			int index = level * 6 + i;
			if (data[index].getType() == TextureData.TextureDataType.Custom) {
				data[index].consumeCustomData(GL20.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i);
			} else {
				Pixmap pixmap = data[index].consumePixmap();
				boolean disposePixmap = data[index].disposePixmap();
				if (data[index].getFormat() != pixmap.getFormat()) {
					Pixmap tmp = new Pixmap(pixmap.getWidth(), pixmap.getHeight(), data[index].getFormat());
					tmp.setBlending(Blending.None);
					tmp.drawPixmap(pixmap, 0, 0, 0, 0, pixmap.getWidth(), pixmap.getHeight());
					if (data[index].disposePixmap()) pixmap.dispose();
					pixmap = tmp;
					disposePixmap = true;
				}
				Gdx.gl.glPixelStorei(GL20.GL_UNPACK_ALIGNMENT, 1);
				Gdx.gl.glTexImage2D(GL20.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, level, pixmap.getGLInternalFormat(), pixmap.getWidth(),
					pixmap.getHeight(), 0, pixmap.getGLFormat(), pixmap.getGLType(), pixmap.getPixels());
				if (disposePixmap) pixmap.dispose();
			}
		}
	}
}
 

@Override
public Pixmap load(GLTFImage glImage) {
	if(glImage.uri == null){
		throw new GLTFIllegalException("GLTF image URI cannot be null");
	}else if(glImage.uri.startsWith("data:")){
		// data:application/octet-stream;base64,
		String [] headerBody = glImage.uri.split(",", 2);
		String header = headerBody[0];
		System.out.println(header);
		String body = headerBody[1];
		byte [] data = Base64Coder.decode(body);
		return PixmapBinaryLoaderHack.load(data, 0, data.length);
	}else{
		return new Pixmap(path.child(glImage.uri));
	}
}
 

public Texture render() {
  Pixmap pl2Pixmap = new Pixmap(Palette.COLORS, size, Pixmap.Format.RGBA8888);
  ByteBuffer buffer = pl2Pixmap.getPixels();
  for (int i = 0, j = 0; i < size; i++) {
    //buffer.put(colormaps[i]);
    for (int k = 0; k < Palette.COLORS; k++, j += 4) {
      buffer.put(j, colormaps[i][k]);
    }
  }

  buffer.rewind();
  Texture texture = new Texture(pl2Pixmap);
  //texture.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear);
  texture.setWrap(Texture.TextureWrap.ClampToEdge, Texture.TextureWrap.ClampToEdge);
  pl2Pixmap.dispose();
  return texture;
}
 

/**
 * Splits the image 
 * @param image
 * @param width
 * @param height
 * @param row
 * @param col
 * @return
 */
public static Pixmap[] splitPixmap(Pixmap image, int width, int height, int row, int col) {                
    int total = col * row; // total returned images
    int frame = 0; // frame counter

    int w = width / col;
    int h = height / row;

    Pixmap[] images = new Pixmap[total];

    for (int j = 0; j < row; j++) {
        for (int i = 0; i < col; i++) {                
            Pixmap region = new Pixmap(w, h, image.getFormat());
            region.drawPixmap(image, 0, 0, i * w, j * h, w, h);
            
            images[frame++] = region;
        }
    }

    return images;
}
 

@Override
public void loadDirection(int d, boolean combineFrames) {
  if (textures == null) textures = new Texture[header.directions][];
  else if (textures[d] != null) return;
  preloadDirection(d, combineFrames);

  Pixmap[] pixmaps = this.pixmaps[d];
  textures[d] = new Texture[pixmaps.length];
  for (int p = 0; p < pixmaps.length; p++) {
    Pixmap pixmap = pixmaps[p];
    Texture texture = new Texture(new PixmapTextureData(pixmap, null, false, false, false));
    //texture.setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear);
    texture.setWrap(Texture.TextureWrap.ClampToEdge, Texture.TextureWrap.ClampToEdge);
    textures[d][p] = texture;
  }

  regions[d] = new TextureRegion[pixmaps.length];
  for (int p = 0; p < pixmaps.length; p++) {
    regions[d][p] = new TextureRegion(textures[d][p]);
  }
}
 

public BGImageProcessor(int size, int maxgen) {
	bgacache = new Texture[size];
	bgacacheid = new int[size];
	cache = new PixmapResourcePool(maxgen) {

		protected Pixmap convert(Pixmap pixmap) {
			int bgasize = Math.max(pixmap.getHeight(), pixmap.getWidth());
			if ( bgasize <=256 ){
				final int fixx = (256 - pixmap.getWidth()) / 2;
				Pixmap fixpixmap = new Pixmap(256, 256, pixmap.getFormat());
				fixpixmap.drawPixmap(pixmap, 0, 0, pixmap.getWidth(), pixmap.getHeight(),
						fixx, 0, pixmap.getWidth(), pixmap.getHeight());
				pixmap.dispose();
				return fixpixmap;
			}
			return pixmap;
		}
	};
}
 

public static int getPixelMirrored(Pixmap pixmap, int x, int y, Mirror mirror) {
	int widthMinusOne = pixmap.getWidth() - 1;
	int heightMinusOne = pixmap.getHeight() - 1;

	int px = x, py = y;

	if (mirror == Mirror.X || mirror == Mirror.XY) {
		px = widthMinusOne - x;
	}

	if (mirror == Mirror.Y || mirror == Mirror.XY) {
		py = heightMinusOne - y;
	}

	return pixmap.getPixel(px, py);
}
 

public void setCursor(DC dc, Index colormap, int id) {
  if (cursor == null) {
    Pixmap pixmap = new Pixmap(1, 1, Pixmap.Format.RGBA8888);
    cursor = Gdx.graphics.newCursor(pixmap, 0, 0);
    Gdx.graphics.setCursor(cursor);
  }

  this.dc = dc;
  if (colormap != null) {
    transform = colormap;
    transformColor = id;
  } else {
    transform = null;
    transformColor = 0;
  }
}
 

public static Sprite create() {
	int w = View.width() / 100;
	int h = w;
	Pixmap pix = new Pixmap(w, h, Pixmap.Format.RGBA8888);
	pix.setColor(1f, 1f, 1f, 0.8f);
	pix.drawLine(w/2, 0, w/2, h);
	pix.drawLine(0, h/2, w, h/2);
	pix.setColor(0f, 0f, 0f, 0f);
	pix.drawPixel(w/2, h/2);
	Texture tex = new Texture(pix);
	Sprite sprite = new Sprite(tex);
	return sprite;
	// TODO we don't dispose anything, this is just a temporary crosshair
}
 

public MotionBlurEffect(Pixmap.Format pixelFormat, MixEffect.Method mixMethod, float blurFactor) {
	mixFilter = register(new MixEffect(mixMethod));
	mixFilter.setMixFactor(blurFactor);

	copyFilter = register(new CopyEffect());

	localBuffer = new VfxFrameBufferQueue(pixelFormat,
			// On WebGL (GWT) we cannot render from/into the same texture simultaneously.
			// Will use ping-pong approach to avoid "writing into itself".
			Gdx.app.getType() == Application.ApplicationType.WebGL ? 2 : 1
	);
}
 

private static void gaussianPixmap(Pixmap in, double[][] doubleOut) {
  double[][] doubleIn = new double[in.getWidth()][in.getHeight()];

  pixmapToDouble(in, doubleIn);

  for (int i = 0; i < doubleOut.length; i++) {
    for (int j = 0; j < doubleOut[i].length; j++) {
      doubleOut[i][j] = 0;
    }
  }

  Pixmap out = gaussianLocal.get();

  int offsetX = (in.getWidth() - out.getWidth()) / 2;
  int offsetY = (in.getHeight() - out.getHeight()) / 2;

  for (int x = 0; x < out.getWidth(); x++) {
    for (int y = 0; y < out.getHeight(); y++) {
      double d = 0;

      for (int ox = -gaussianRadius; ox <= gaussianRadius; ox++) {
        for (int oy = -gaussianRadius; oy <= gaussianRadius; oy++) {
          d += doubleIn[x + ox + offsetX][y + oy + offsetY] * gwm[ox + gaussianRadius][oy + gaussianRadius];
        }
      }

      doubleOut[x][y] = d;
    }
  }
}
 

public VfxRenderContext(Pixmap.Format pixelFormat, int bufferWidth, int bufferHeight) {
    this.bufferPool = new VfxFrameBufferPool(pixelFormat, bufferWidth, bufferHeight, 8);
    this.bufferRenderer = new VfxFrameBufferRenderer();
    this.pixelFormat = pixelFormat;
    this.bufferWidth = bufferWidth;
    this.bufferHeight = bufferHeight;
}
 

public void setEncoding(Pixmap.Format encoding) {
    if (this.encoding == encoding) return;

    this.encoding = encoding;

    if (eventDispatcher != null) {
        eventDispatcher.postEvent(new FileTypePropertyChangedEvent(this, FileTypePropertyChangedEvent.Property.JPEG_ENCODING));
    }
}
 

protected void setImage(ModelEntry entry) {
	if(entry.screenshot != null){
		if(entry.url != null){
			HttpRequest httpRequest = new HttpRequest(HttpMethods.GET);
			httpRequest.setUrl(entry.url + entry.screenshot);

			Gdx.net.sendHttpRequest(httpRequest, new SafeHttpResponseListener(){
				@Override
				protected void handleData(byte[] bytes) {
					Pixmap pixmap = PixmapBinaryLoaderHack.load(bytes, 0, bytes.length);
					ui.setImage(new Texture(pixmap));
					pixmap.dispose();
				}
				@Override
				protected void handleError(Throwable t) {
					Gdx.app.error(TAG, "request error", t);
				}
				@Override
				protected void handleEnd() {
				}
			});
		}else{
			FileHandle file = rootFolder.child(entry.name).child(entry.screenshot);
			if(file.exists()){
				ui.setImage(new Texture(file));
			}else{
				Gdx.app.error("DEMO UI", "file not found " + file.path());
			}
		}
	}
}
 

/**
 * Construct Cubemap data for MipMap cubemap.
 * @param files texture files in following order : 
 * level 0 (positive X, negative X, positive Y, negative Y, positive Z, negative Z)
 * level 1 (positive X, negative X, positive Y, negative Y, positive Z, negative Z)
 * and so on. Where level 0 is the biggest texture. Expected levels x 6 files.
 * @param levels mipmap levels
 */
public FacedMultiCubemapData(FileHandle[] files, int levels)
{
	this.levels = levels;
	data = new TextureData[6 * levels];
	for(int level = 0 ; level<levels ; level++){
		for(int face = 0 ; face < 6 ; face++){
			int index = level*6+face;
			FileHandle file = files[index];
			data[index] = new PixmapTextureData(new Pixmap(file), null, false, true);
		}
	}
}
 

/**
 * Creates an radiance map, to be used with {@link net.mgsx.gltf.scene3d.attributes.PBRCubemapAttribute#SpecularEnv}
 * generated cubemap contains mipmaps in order to perform roughness in PBR shading
 * @param levels mipMapLevels how many mipmaps level, eg. 10 levels produce a 1024x1024 cubemap with mipmaps.
 * @return generated cubemap, caller is responsible to dispose it when no longer used.
 */
public Cubemap buildRadianceMap(final int mipMapLevels){
	Pixmap[] maps = new Pixmap[mipMapLevels * 6];
	int index = 0;
	for(int level=0 ; level<mipMapLevels ; level++){
		int size = 1 << (mipMapLevels - level - 1);
		FrameBuffer fbo = new FrameBuffer(Format.RGBA8888, size, size, false);
		fbo.begin();
		for(int s=0 ; s<6 ; s++){
			Gdx.gl.glClearColor(0, 0, 0, 0);
			Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
			
			CubemapSide side = CubemapSide.values()[s];
			
			float blur = (float)level / (float)mipMapLevels;
			
			renderGradient(side, blur);
			renderLights(side, false);
			
			maps[index] = ScreenUtils.getFrameBufferPixmap(0, 0, size, size);
			index++;
		}
		fbo.end();
		fbo.dispose();
	}
	FacedMultiCubemapData data = new FacedMultiCubemapData(maps, mipMapLevels);
	Cubemap map = new Cubemap(data);
	map.setFilter(TextureFilter.MipMap, TextureFilter.Linear);
	return map;
}
 

public static Pixmap load(byte [] encodedData, int offset, int len){
	if(Gdx.app.getType() == ApplicationType.WebGL){
		throw new GdxRuntimeException("load pixmap from bytes not supported for WebGL");
	}else{
		// call new Pixmap(encodedData, offset, len); via reflection to
		// avoid compilation error with GWT.
		try {
			return (Pixmap)ClassReflection.getConstructor(Pixmap.class, byte[].class, int.class, int.class).newInstance(encodedData, offset, len);
		} catch (ReflectionException e) {
			throw new GdxRuntimeException(e);
		}
	}
}
 

public void load(Array<GLTFImage> glImages) {
	if(glImages != null){
		for(int i=0 ; i<glImages.size ; i++){
			GLTFImage glImage = glImages.get(i);
			Pixmap pixmap = dataFileResolver.load(glImage);
			pixmaps.add(pixmap);
		}
	}
}
 

@Override
public void dispose() {
	for(Pixmap pixmap : pixmaps){
		pixmap.dispose();
	}
	pixmaps.clear();
}
 

public Texture createTexture(Color color) {
  Pixmap pixmap = new Pixmap(1, 1, Pixmap.Format.RGBA8888);
  pixmap.setColor(color);
  pixmap.fill();
  Texture texture = new Texture(pixmap);
  pixmap.dispose();
  return texture;
}
 

@Override
public void loadResources() {
    int w = Gdx.graphics.getWidth();
    int h = Gdx.graphics.getHeight();
    nextFbo = new FrameBuffer(Pixmap.Format.RGBA8888, w, h, true);
    currFbo = new FrameBuffer(Pixmap.Format.RGBA8888, w, h, true);
}
 

public Halo() {
	super();
	
	if (!TextureCache.contains( CACHE_KEY )) {
		Pixmap pixmap = new Pixmap(RADIUS * 2, RADIUS * 2, Pixmap.Format.RGBA8888);
		pixmap.setColor( 0xFFFFFF0A );
		for (int i = 0; i < 50; i++) {
			pixmap.fillCircle(RADIUS, RADIUS, (int)(RADIUS * (i+1)/50f));
		}
		TextureCache.add( CACHE_KEY, new SmartTexture( pixmap ) );
	}
	
	texture( CACHE_KEY );
}
 

@Override
public void frameEnd() {
  if (!state.compareAndSet(1,  2)) return;

  Pixmap pixmap = ScreenUtils.getFrameBufferPixmap(0, 0, screenshotWidth, screenshotHeight);
  frameBuffer.end();

  Adapter.getInterface().resize(oldWidth, oldHeight);

  writeScreenshot(pixmap);
}
 

DixieMap(final int[] data, final int w, final int h, final Pixmap.Format f) {
	super(w, h, f);

	int x, y;

	for (y = 0; y < h; y++) {
		for (x = 0; x < w; x++) {
			final int pxl_ARGB8888 = data[x + y * w];
			final int pxl_RGBA8888 = ((pxl_ARGB8888 >> 24) & 0x000000ff) | ((pxl_ARGB8888 << 8) & 0xffffff00);
			// convert ARGB8888 > RGBA8888
			drawPixel(x, y, pxl_RGBA8888);
		}
	}
}
 

/**
 * Creates texture region from byte[].
 * <p>
 * GWT platform requires additional step (as far as i know) to deal with Pixmap. It is need to load Image element
 * and wait until it is loaded.
 *
 * @param bytes    Image byte[] representation, not null
 * @param consumer Consumer where you should deal with region, not null
 */
public static void createTextureFromBytes(byte[] bytes, final Consumer<TextureRegion> consumer) {
    String base64 = "data:image/png;base64," + new String(Base64Coder.encode(bytes));
    final Image image = new Image();
    image.setVisible(false);
    image.addLoadHandler(new LoadHandler() {
        @Override
        public void onLoad(LoadEvent event) {
            ImageElement imageElement = image.getElement().cast();
            Pixmap pixmap = new Pixmap(imageElement);
            GdxFIRLogger.log("Image loaded");
            final int orgWidth = pixmap.getWidth();
            final int orgHeight = pixmap.getHeight();
            int width = MathUtils.nextPowerOfTwo(orgWidth);
            int height = MathUtils.nextPowerOfTwo(orgHeight);
            final Pixmap potPixmap = new Pixmap(width, height, pixmap.getFormat());
            potPixmap.drawPixmap(pixmap, 0, 0, 0, 0, pixmap.getWidth(), pixmap.getHeight());
            pixmap.dispose();
            TextureRegion region = new TextureRegion(new Texture(potPixmap), 0, 0, orgWidth, orgHeight);
            potPixmap.dispose();
            RootPanel.get().remove(image);
            consumer.accept(region);
        }
    });
    image.setUrl(base64);
    RootPanel.get().add(image);
}
 

/**
 * Transforms byte[] to Texture Region.
 * <p>
 * If you are going to call this method inside firebase callback remember to wrap it<p>
 * into {@code Gdx.app.postRunnable(Runnable)}.
 * The texture will be changed so that it has sides with length of power of 2.
 *
 * @param bytes Byte array with image description
 * @return Texture region representation of given byte array
 */
public TextureRegion createTextureFromBytes(byte[] bytes) {
    Pixmap pixmap = new Pixmap(bytes, 0, bytes.length);
    final int orgWidth = pixmap.getWidth();
    final int orgHeight = pixmap.getHeight();
    int width = MathUtils.nextPowerOfTwo(orgWidth);
    int height = MathUtils.nextPowerOfTwo(orgHeight);
    final Pixmap potPixmap = new Pixmap(width, height, pixmap.getFormat());
    potPixmap.drawPixmap(pixmap, 0, 0, 0, 0, pixmap.getWidth(), pixmap.getHeight());
    pixmap.dispose();
    TextureRegion region = new TextureRegion(new Texture(potPixmap), 0, 0, orgWidth, orgHeight);
    potPixmap.dispose();
    return region;
}