org.newdawn.slick.opengl.InternalTextureLoader Java Examples

/**
 * Create an image based on a file at the specified location
 * 
 * @param ref The location of the image file to load
 * @param flipped True if the image should be flipped on the y-axis on load
 * @param f The filtering method to use when scaling this image
 * @param transparent The color to treat as transparent
 * @throws SlickException Indicates a failure to load the image
 */
public Image(String ref, boolean flipped, int f, Color transparent) throws SlickException {
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	this.transparent = transparent;
	this.flipped = flipped;
	
	try {
		this.ref = ref;
		int[] trans = null;
		if (transparent != null) {
			trans = new int[3];
			trans[0] = (int) (transparent.r * 255);
			trans[1] = (int) (transparent.g * 255);
			trans[2] = (int) (transparent.b * 255);
		}
		texture = InternalTextureLoader.get().getTexture(ref, flipped, filter, trans);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to load image from: "+ref, e);
	}
}
 

/**
 * Load the image
 * 
 * @param in The input stream to read the image from
 * @param ref The name that should be assigned to the image
 * @param flipped True if the image should be flipped on the y-axis  on load
 * @param f The filter to use when scaling this image
 * @param transparent The color to treat as transparent
 * @throws SlickException Indicates a failure to load the image
 */
private void load(InputStream in, String ref, boolean flipped, int f, Color transparent) throws SlickException {
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	
	try {
		this.ref = ref;
		int[] trans = null;
		if (transparent != null) {
			trans = new int[3];
			trans[0] = (int) (transparent.r * 255);
			trans[1] = (int) (transparent.g * 255);
			trans[2] = (int) (transparent.b * 255);
		}
		texture = InternalTextureLoader.get().getTexture(in, ref, flipped, filter, trans);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to load image from: "+ref, e);
	}
}
 

/**
 * Initialise the PBuffer that will be used to render to
 * 
 * @throws SlickException
 */
private void init() throws SlickException {
	try {
		Texture tex = InternalTextureLoader.get().createTexture(image.getWidth(), image.getHeight(), image.getFilter());

		pbuffer = new Pbuffer(screenWidth, screenHeight, new PixelFormat(8, 0, 0), null, null);
		// Initialise state of the pbuffer context.
		pbuffer.makeCurrent();

		initGL();
		image.draw(0,0);
		GL11.glBindTexture(GL11.GL_TEXTURE_2D, tex.getTextureID());
		GL11.glCopyTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, 0, 0, 
							  tex.getTextureWidth(), 
							  tex.getTextureHeight(), 0);
		image.setTexture(tex);
		
		Display.makeCurrent();
	} catch (Exception e) {
		Log.error(e);
		throw new SlickException("Failed to create PBuffer for dynamic image. OpenGL driver failure?");
	}
}
 

/**
 * Create an image based on a file at the specified location
 * 
 * @param ref The location of the image file to load
 * @param flipped True if the image should be flipped on the y-axis on load
 * @param f The filtering method to use when scaling this image
 * @param transparent The color to treat as transparent
 * @throws SlickException Indicates a failure to load the image
 */
public Image(String ref, boolean flipped, int f, Color transparent) throws SlickException {
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	this.transparent = transparent;
	this.flipped = flipped;
	
	try {
		this.ref = ref;
		int[] trans = null;
		if (transparent != null) {
			trans = new int[3];
			trans[0] = (int) (transparent.r * 255);
			trans[1] = (int) (transparent.g * 255);
			trans[2] = (int) (transparent.b * 255);
		}
		texture = InternalTextureLoader.get().getTexture(ref, flipped, filter, trans);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to load image from: "+ref, e);
	}
}
 

/**
 * Initialise the PBuffer that will be used to render to
 * 
 * @throws SlickException
 */
private void init() throws SlickException {
	try {
		Texture tex = InternalTextureLoader.get().createTexture(image.getWidth(), image.getHeight(), image.getFilter());
		
		final RenderTexture rt = new RenderTexture(false, true, false, false, RenderTexture.RENDER_TEXTURE_2D, 0);
		pbuffer = new Pbuffer(screenWidth, screenHeight, new PixelFormat(8, 0, 0), rt, null);

		// Initialise state of the pbuffer context.
		pbuffer.makeCurrent();

		initGL();
		GL.glBindTexture(GL11.GL_TEXTURE_2D, tex.getTextureID());
		pbuffer.releaseTexImage(Pbuffer.FRONT_LEFT_BUFFER);
		image.draw(0,0);
		image.setTexture(tex);
		
		Display.makeCurrent();
	} catch (Exception e) {
		Log.error(e);
		throw new SlickException("Failed to create PBuffer for dynamic image. OpenGL driver failure?");
	}
}
 

/**
 * Load the image
 * 
 * @param in The input stream to read the image from
 * @param ref The name that should be assigned to the image
 * @param flipped True if the image should be flipped on the y-axis  on load
 * @param f The filter to use when scaling this image
 * @param transparent The color to treat as transparent
 * @throws SlickException Indicates a failure to load the image
 */
private void load(InputStream in, String ref, boolean flipped, int f, Color transparent) throws SlickException {
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	
	try {
		this.ref = ref;
		int[] trans = null;
		if (transparent != null) {
			trans = new int[3];
			trans[0] = (int) (transparent.r * 255);
			trans[1] = (int) (transparent.g * 255);
			trans[2] = (int) (transparent.b * 255);
		}
		texture = InternalTextureLoader.get().getTexture(in, ref, flipped, filter, trans);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to load image from: "+ref, e);
	}
}
 

/**
 * Load the image
 * 
 * @param in The input stream to read the image from
 * @param ref The name that should be assigned to the image
 * @param flipped True if the image should be flipped on the y-axis  on load
 * @param f The filter to use when scaling this image
 * @param transparent The color to treat as transparent
 * @throws SlickException Indicates a failure to load the image
 */
private void load(InputStream in, String ref, boolean flipped, int f, Color transparent) throws SlickException {
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	
	try {
		this.ref = ref;
		int[] trans = null;
		if (transparent != null) {
			trans = new int[3];
			trans[0] = (int) (transparent.r * 255);
			trans[1] = (int) (transparent.g * 255);
			trans[2] = (int) (transparent.b * 255);
		}
		texture = InternalTextureLoader.get().getTexture(in, ref, flipped, filter, trans);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to load image from: "+ref, e);
	}
}
 

/**
 * Create an image based on a file at the specified location
 * 
 * @param ref The location of the image file to load
 * @param flipped True if the image should be flipped on the y-axis on load
 * @param f The filtering method to use when scaling this image
 * @param transparent The color to treat as transparent
 * @throws SlickException Indicates a failure to load the image
 */
public Image(String ref, boolean flipped, int f, Color transparent) throws SlickException {
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	this.transparent = transparent;
	this.flipped = flipped;
	
	try {
		this.ref = ref;
		int[] trans = null;
		if (transparent != null) {
			trans = new int[3];
			trans[0] = (int) (transparent.r * 255);
			trans[1] = (int) (transparent.g * 255);
			trans[2] = (int) (transparent.b * 255);
		}
		texture = InternalTextureLoader.get().getTexture(ref, flipped, filter, trans);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to load image from: "+ref, e);
	}
}
 

/**
 * Create an empty image
 * 
 * @param width The width of the image
 * @param height The height of the image
 * @param f The filter to apply to scaling the new image
 * @throws SlickException Indicates a failure to create the underlying resource
 */
public Image(int width, int height, int f) throws SlickException {
	ref = super.toString();
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	
	try {
		texture = InternalTextureLoader.get().createTexture(width, height, this.filter);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to create empty image "+width+"x"+height);
	}
	
	init();
}
 

/**
 * Indicate if we're going to use deferred loading. (Also clears the current list)
 * 
 * @param loading True if we should use deferred loading
 */
public static void setDeferredLoading(boolean loading) {
	single = new LoadingList();
	
	InternalTextureLoader.get().setDeferredLoading(loading);
	SoundStore.get().setDeferredLoading(loading);
}
 

/**
 * Initialise the FBO that will be used to render to
 * 
 * @throws SlickException
 */
private void init() throws SlickException {
	IntBuffer buffer = BufferUtils.createIntBuffer(1);
	EXTFramebufferObject.glGenFramebuffersEXT(buffer); 
	FBO = buffer.get();

	// for some reason FBOs won't work on textures unless you've absolutely just
	// created them.
	try {
		Texture tex = InternalTextureLoader.get().createTexture(image.getWidth(), image.getHeight(), image.getFilter());
		
		EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, FBO);
		EXTFramebufferObject.glFramebufferTexture2DEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, 
													   EXTFramebufferObject.GL_COLOR_ATTACHMENT0_EXT,
													   GL11.GL_TEXTURE_2D, tex.getTextureID(), 0);
		
		completeCheck();
		unbind();
		
		// Clear our destination area before using it
		clear();
		flush();
		
		// keep hold of the original content
		drawImage(image, 0, 0);
		image.setTexture(tex);
		
	} catch (Exception e) {
		throw new SlickException("Failed to create new texture for FBO");
	}
}
 

/**
 * Create an image from a image data source. Note that this method uses 
 * 
 * @param data The pixelData to use to create the image
 * @param f The filter to use when scaling this image
 */
public Image(ImageData data, int f) {
	try {
		this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
		texture = InternalTextureLoader.get().getTexture(data, this.filter);
		ref = texture.toString();
	} catch (IOException e) {
		Log.error(e);
	}
}
 

/**
 * Create an empty image
 * 
 * @param width The width of the image
 * @param height The height of the image
 * @param f The filter to apply to scaling the new image
 * @throws SlickException Indicates a failure to create the underlying resource
 */
public Image(int width, int height, int f) throws SlickException {
	ref = super.toString();
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	
	try {
		texture = InternalTextureLoader.get().createTexture(width, height, this.filter);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to create empty image "+width+"x"+height);
	}
	
	init();
}
 

/**
 * @see org.newdawn.slick.GameContainer#reinit()
 */
public void reinit() throws SlickException {
	InternalTextureLoader.get().clear();
	SoundStore.get().clear();
	initSystem();
	enterOrtho();
	
	try {
		game.init(this);
	} catch (SlickException e) {
		Log.error(e);
		running = false;
	}
}
 

/**
 * Initialise GL state
 */
protected void initGL() {
   try {
      InternalTextureLoader.get().clear();
      SoundStore.get().clear();

      container.initApplet();
   } catch (Exception e) {
      Log.error(e);
      container.stopApplet();
   }
}
 

/**
 * Actions to perform before destroying the game container.
 */
private void close_sub() {
	// save user options
	Options.saveOptions();

	// reset cursor
	UI.getCursor().reset();

	// destroy images
	InternalTextureLoader.get().clear();

	// reset image references
	GameImage.clearReferences();
	GameData.Grade.clearReferences();
	Beatmap.clearBackgroundImageCache();

	// prevent loading tracks from re-initializing OpenAL
	MusicController.reset();

	// stop any playing track
	SoundController.stopTrack();

	// reset BeatmapSetList data
	BeatmapGroup.set(BeatmapGroup.ALL);
	BeatmapSortOrder.set(BeatmapSortOrder.TITLE);
	if (BeatmapSetList.get() != null)
		BeatmapSetList.get().reset();

	// delete OpenGL objects involved in the Curve rendering
	CurveRenderState.shutdown();
	LegacyCurveRenderState.shutdown();

	// destroy watch service
	if (!Options.isWatchServiceEnabled())
		BeatmapWatchService.destroy();
	BeatmapWatchService.removeListeners();

	// delete temporary directory
	Utils.deleteDirectory(Options.TEMP_DIR);
}
 

/**
 * Create an image from a image data source. Note that this method uses 
 * 
 * @param data The pixelData to use to create the image
 * @param f The filter to use when scaling this image
 */
public Image(ImageData data, int f) {
	try {
		this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
		texture = InternalTextureLoader.get().getTexture(data, this.filter);
		ref = texture.toString();
	} catch (IOException e) {
		Log.error(e);
	}
}
 

/**
 * Create an empty image
 * 
 * @param width The width of the image
 * @param height The height of the image
 * @param f The filter to apply to scaling the new image
 * @throws SlickException Indicates a failure to create the underlying resource
 */
public Image(int width, int height, int f) throws SlickException {
	ref = super.toString();
	this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
	
	try {
		texture = InternalTextureLoader.get().createTexture(width, height, this.filter);
	} catch (IOException e) {
		Log.error(e);
		throw new SlickException("Failed to create empty image "+width+"x"+height);
	}
	
	init();
}
 

public void destroyImages() {
	InternalTextureLoader.get().clear();
	GameImage.destroyImages();
	GameData.Grade.destroyImages();
	Beatmap.destroyBackgroundImageCache();
	FrameBufferCache.shutdown();
}
 

/**
 * Create an image from a image data source. Note that this method uses 
 * 
 * @param data The pixelData to use to create the image
 * @param f The filter to use when scaling this image
 */
public Image(ImageData data, int f) {
	try {
		this.filter = f == FILTER_LINEAR ? SGL.GL_LINEAR : SGL.GL_NEAREST;
		texture = InternalTextureLoader.get().getTexture(data, this.filter);
		ref = texture.toString();
	} catch (IOException e) {
		Log.error(e);
	}
}
 

/**
 * Load a texture into OpenGL from a BufferedImage
 * 
 * @param resourceName
 *            The location of the resource to load
 * @param resourceimage
 *            The BufferedImage we are converting
 * @param target
 *            The GL target to load the texture against
 * @param dstPixelFormat
 *            The pixel format of the screen
 * @param minFilter
 *            The minimising filter
 * @param magFilter
 *            The magnification filter
 * @return The loaded texture
 * @throws IOException
 *             Indicates a failure to access the resource
 */
public static Texture getTexture(String resourceName,
		BufferedImage resourceimage, int target, int dstPixelFormat,
		int minFilter, int magFilter) throws IOException {
	ImageIOImageData data = new ImageIOImageData();int srcPixelFormat = 0;

	// create the texture ID for this texture
	int textureID = InternalTextureLoader.createTextureID();
	TextureImpl texture = new TextureImpl(resourceName, target, textureID);

	// Enable texturing
	Renderer.get().glEnable(SGL.GL_TEXTURE_2D);

	// bind this texture
	Renderer.get().glBindTexture(target, textureID);

	BufferedImage bufferedImage = resourceimage;
	texture.setWidth(bufferedImage.getWidth());
	texture.setHeight(bufferedImage.getHeight());

	if (bufferedImage.getColorModel().hasAlpha()) {
		srcPixelFormat = SGL.GL_RGBA;
	} else {
		srcPixelFormat = SGL.GL_RGB;
	}

	// convert that image into a byte buffer of texture data
	ByteBuffer textureBuffer = data.imageToByteBuffer(bufferedImage, false, false, null);
	texture.setTextureHeight(data.getTexHeight());
	texture.setTextureWidth(data.getTexWidth());
	texture.setAlpha(data.getDepth() == 32);
	
	if (target == SGL.GL_TEXTURE_2D) {
		Renderer.get().glTexParameteri(target, SGL.GL_TEXTURE_MIN_FILTER, minFilter);
		Renderer.get().glTexParameteri(target, SGL.GL_TEXTURE_MAG_FILTER, magFilter);
		
        if (Renderer.get().canTextureMirrorClamp()) {
        	Renderer.get().glTexParameteri(SGL.GL_TEXTURE_2D, SGL.GL_TEXTURE_WRAP_S, SGL.GL_MIRROR_CLAMP_TO_EDGE_EXT);
        	Renderer.get().glTexParameteri(SGL.GL_TEXTURE_2D, SGL.GL_TEXTURE_WRAP_T, SGL.GL_MIRROR_CLAMP_TO_EDGE_EXT);
        } else {
        	Renderer.get().glTexParameteri(SGL.GL_TEXTURE_2D, SGL.GL_TEXTURE_WRAP_S, SGL.GL_CLAMP);
        	Renderer.get().glTexParameteri(SGL.GL_TEXTURE_2D, SGL.GL_TEXTURE_WRAP_T, SGL.GL_CLAMP);
        }
	}

	Renderer.get().glTexImage2D(target, 
                     0, 
                     dstPixelFormat, 
                     texture.getTextureWidth(), 
                     texture.getTextureHeight(), 
                     0, 
                     srcPixelFormat, 
                     SGL.GL_UNSIGNED_BYTE, 
                     textureBuffer); 

	return texture;
}
 

/**
 * Check if we're using deferred loading 
 * 
 * @return True if we're using deferred loading
 */
public static boolean isDeferredLoading() {
	return InternalTextureLoader.get().isDeferredLoading();
}