import java.math.*; import javax.imageio.*; import java.awt.image.*; import java.awt.event.*; import java.awt.*; import java.security.spec.*; import java.security.*; import java.lang.management.*; import java.lang.ref.*; import java.lang.reflect.*; import java.net.*; import java.io.*; import javax.swing.table.*; import javax.swing.text.*; import javax.swing.event.*; import javax.swing.*; import java.util.concurrent.atomic.*; import java.util.concurrent.*; import java.util.regex.*; import java.util.List; import java.util.zip.*; import java.util.*; import com.googlecode.charts4j.*; import static com.googlecode.charts4j.Color.*; import static com.googlecode.charts4j.Shape.*; import static com.googlecode.charts4j.UrlUtil.normalize; import java.awt.Color; import java.awt.Shape; public class main { static class RGB { public final float r, g, b; public RGB(float r, float g, float b) { this.r = r; this.g = g; this.b = b; } public RGB(double r, double g, double b) { this.r = (float) r; this.g = (float) g; this.b = (float) b; } public RGB(double brightness) { this.r = this.g = this.b = (float) brightness; } public RGB(Color color) { this.r = color.getRed()/255f; this.g = color.getGreen()/255f; this.b = color.getBlue()/255f; } public RGB(String hex) { r = Integer.parseInt(hex.substring(0, 2), 16)/255f; g = Integer.parseInt(hex.substring(2, 4), 16)/255f; b = Integer.parseInt(hex.substring(4, 6), 16)/255f; } public float getComponent(int i) { return i == 0 ? r : i == 1 ? g : b; } public Color getColor() { return new Color(r, g, b); } public static RGB newSafe(float r, float g, float b) { return new RGB(Math.max(0, Math.min(1, r)), Math.max(0, Math.min(1, g)), Math.max(0, Math.min(1, b))); } public int asInt() { return getColor().getRGB() & 0xFFFFFF; } public float getBrightness() { return (r+g+b)/3.0f; } public String getHexString() { return Integer.toHexString(asInt() | 0xFF000000).substring(2).toUpperCase(); } @Override public boolean equals(Object o) { if (this == o) return true; if (!(o instanceof RGB)) return false; RGB rgb = (RGB) o; if (Float.compare(rgb.b, b) != 0) return false; if (Float.compare(rgb.g, g) != 0) return false; if (Float.compare(rgb.r, r) != 0) return false; return true; } @Override public int hashCode() { int result = (r != +0.0f ? Float.floatToIntBits(r) : 0); result = 31 * result + (g != +0.0f ? Float.floatToIntBits(g) : 0); result = 31 * result + (b != +0.0f ? Float.floatToIntBits(b) : 0); return result; } public boolean isBlack() { return r == 0f && g == 0f && b == 0f; } public boolean isWhite() { return r == 1f && g == 1f && b == 1f; } public String toString() { return getHexString(); } } static class RGBImage { private BufferedImage bufferedImage; private File file; private int width, height; private int[] pixels; // color returned when getPixel is called with out-of-bounds position private int background = 0xFFFFFF; public RGBImage(BufferedImage image) { this(image, null); } public RGBImage(BufferedImage image, File file) { this.file = file; bufferedImage = image; width = image.getWidth(); height = image.getHeight(); pixels = new int[width*height]; PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, width, height, pixels, 0, width); try { if (!pixelGrabber.grabPixels()) throw new RuntimeException("Could not grab pixels"); cleanPixels(); // set upper byte to 0 } catch (InterruptedException e) { throw new RuntimeException(e); } } /** We assume it's a file name to load from */ public RGBImage(String file) throws IOException { this(new File(file)); } public RGBImage(Dimension size, Color color) { this(size.width, size.height, color); } public RGBImage(Dimension size, RGB color) { this(size.width, size.height, color); } private void cleanPixels() { for (int i = 0; i < pixels.length; i++) pixels[i] &= 0xFFFFFF; } public RGBImage(int width, int height, int[] pixels) { this.width = width; this.height = height; this.pixels = pixels; } public RGBImage(int w, int h, RGB[] pixels) { this.width = w; this.height = h; this.pixels = asInts(pixels); } public static int[] asInts(RGB[] pixels) { int[] ints = new int[pixels.length]; for (int i = 0; i < pixels.length; i++) ints[i] = pixels[i] == null ? 0 : pixels[i].getColor().getRGB(); return ints; } public RGBImage(int w, int h) { this(w, h, Color.black); } public RGBImage(int w, int h, RGB rgb) { this.width = w; this.height = h; this.pixels = new int[w*h]; int col = rgb.asInt(); if (col != 0) for (int i = 0; i < pixels.length; i++) pixels[i] = col; } public RGBImage(RGBImage image) { this(image.width, image.height, copyPixels(image.pixels)); } public RGBImage(int width, int height, Color color) { this(width, height, new RGB(color)); } public RGBImage(File file) throws IOException { this(javax.imageio.ImageIO.read(file)); } private static int[] copyPixels(int[] pixels) { int[] copy = new int[pixels.length]; System.arraycopy(pixels, 0, copy, 0, pixels.length); return copy; } public int getIntPixel(int x, int y) { if (inRange(x, y)) return pixels[y * width + x]; else return background; } public static RGB asRGB(int packed) { int r = (packed >> 16) & 0xFF; int g = (packed >> 8) & 0xFF; int b = packed & 0xFF; return new RGB(r / 255f, g / 255f, b / 255f); } public RGB getRGB(int x, int y) { if (inRange(x, y)) return asRGB(pixels[y * width + x]); else return new RGB(background); } /** alias of getRGB - I kept typing getPixel instead of getRGB all the time, so I finally created it */ public RGB getPixel(int x, int y) { return getRGB(x, y); } public int getWidth() { return width; } public int getHeight() { return height; } /** Attention: cached, i.e. does not change when image itself changes */ /** @NotNull */ public BufferedImage getBufferedImage() { if (bufferedImage == null) { bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); //bufferedImage.setData(Raster.createRaster(new SampleModel())); for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) bufferedImage.setRGB(x, y, pixels[y*width+x]); } return bufferedImage; } public RGBImage clip(Rectangle r) { r = fixClipRect(r); int[] newPixels; try { newPixels = new int[r.width*r.height]; } catch (RuntimeException e) { System.out.println(r); throw e; } for (int y = 0; y < r.height; y++) { System.arraycopy(pixels, (y+r.y)*width+r.x, newPixels, y*r.width, r.width); } return new RGBImage(r.width, r.height, newPixels); } private Rectangle fixClipRect(Rectangle r) { r = r.intersection(new Rectangle(0, 0, width, height)); if (r.isEmpty()) r = new Rectangle(r.x, r.y, 0, 0); return r; } public File getFile() { return file; } /** can now also do GIF (not just JPEG) */ public static RGBImage load(String fileName) { return load(new File(fileName)); } /** can now also do GIF (not just JPEG) */ public static RGBImage load(File file) { try { BufferedImage bufferedImage = javax.imageio.ImageIO.read(file); return new RGBImage(bufferedImage); } catch (IOException e) { throw new RuntimeException(e); } } public int getInt(int x, int y) { return pixels[y * width + x]; } public void save(File file) throws IOException { String name = file.getName().toLowerCase(); String type; if (name.endsWith(".png")) type = "png"; else if (name.endsWith(".jpg") || name.endsWith(".jpeg")) type = "jpeg"; else throw new IOException("Unknown image extension: " + name); javax.imageio.ImageIO.write(getBufferedImage(), type, file); } public static RGBImage dummyImage() { return new RGBImage(1, 1, new int[] {0xFFFFFF}); } public int[] getPixels() { return pixels; } public void setPixel(int x, int y, RGB rgb) { if (x >= 0 && y >= 0 && x < width && y < height) pixels[y*width+x] = rgb.asInt(); } public void setPixel(int x, int y, Color color) { setPixel(x, y, new RGB(color)); } public void setPixel(int x, int y, int rgb) { if (x >= 0 && y >= 0 && x < width && y < height) pixels[y*width+x] = rgb; } public RGBImage copy() { return new RGBImage(this); } public boolean inRange(int x, int y) { return x >= 0 && y >= 0 && x < width && y < height; } public int getBackground() { return background; } public void setBackground(int background) { this.background = background; } public Dimension getSize() { return new Dimension(width, height); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; RGBImage rgbImage = (RGBImage) o; if (height != rgbImage.height) return false; if (width != rgbImage.width) return false; if (!Arrays.equals(pixels, rgbImage.pixels)) return false; return true; } @Override public int hashCode() { int result = width; result = 31 * result + height; result = 31 * result + Arrays.hashCode(pixels); return result; } public String getHex(int x, int y) { return getPixel(x, y).getHexString(); } public RGBImage clip(int x, int y, int width, int height) { return clip(new Rectangle(x, y, width, height)); } public RGBImage clipLine(int y) { return clip(0, y, width, 1); } public int numPixels() { return width*height; } } abstract static class Surface extends JPanel { public Object AntiAlias = RenderingHints.VALUE_ANTIALIAS_ON; public Object Rendering = RenderingHints.VALUE_RENDER_SPEED; public AlphaComposite composite; public Paint texture; public BufferedImage bimg; public int imageType; public String name; public boolean clearSurface = true; // Demos using animated gif's that implement ImageObserver set dontThread. public boolean dontThread; protected long sleepAmount = 50; // max20 fps private long orig, start, frame; private Toolkit toolkit; private boolean perfMonitor, outputPerf; private int biw, bih; private boolean clearOnce; private boolean toBeInitialized = true; public Surface() { setDoubleBuffered(false); toolkit = getToolkit(); name = this.getClass().getName(); name = name.substring(name.indexOf(".", 7)+1); setImageType(0); // To launch an individual demo with the performance str output : // java -Djava2demo.perf= -cp Java2Demo.jar demos.Clipping.ClipAnim try { if (System.getProperty("java2demo.perf") != null) { perfMonitor = outputPerf = true; } } catch (Exception ex) { } } /*protected Image getImage(String name) { return DemoImages.getImage(name, this); } protected Font getFont(String name) { return DemoFonts.getFont(name); }*/ public int getImageType() { return imageType; } public void setImageType(int imgType) { if (imgType == 0) { imageType = 1; } else { imageType = imgType; } bimg = null; } public void setAntiAlias(boolean aa) { AntiAlias = aa ? RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF; } public void setRendering(boolean rd) { Rendering = rd ? RenderingHints.VALUE_RENDER_QUALITY : RenderingHints.VALUE_RENDER_SPEED; } public void setTexture(Object obj) { if (obj instanceof GradientPaint) { texture = new GradientPaint(0, 0, Color.white, getSize().width*2, 0, Color.green); } else { texture = (Paint) obj; } } public void setComposite(boolean cp) { composite = cp ? AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f) : null; } public void setMonitor(boolean pm) { perfMonitor = pm; } public void setSleepAmount(long amount) { sleepAmount = amount; } public long getSleepAmount() { return sleepAmount; } public BufferedImage createBufferedImage(Graphics2D g2, int w, int h, int imgType) { BufferedImage bi = null; if (imgType == 0) { bi = (BufferedImage) g2.getDeviceConfiguration(). createCompatibleImage(w, h); } else if (imgType > 0 && imgType < 14) { bi = new BufferedImage(w, h, imgType); } else if (imgType == 14) { bi = createBinaryImage(w, h, 2); } else if (imgType == 15) { bi = createBinaryImage(w, h, 4); } else if (imgType == 16) { bi = createSGISurface(w, h, 32); } else if (imgType == 17) { bi = createSGISurface(w, h, 16); } biw = w; bih = h; return bi; } // Lookup tables for BYTE_BINARY 1, 2 and 4 bits. static byte[] lut1Arr = new byte[] {0, (byte)255 }; static byte[] lut2Arr = new byte[] {0, (byte)85, (byte)170, (byte)255}; static byte[] lut4Arr = new byte[] {0, (byte)17, (byte)34, (byte)51, (byte)68, (byte)85,(byte) 102, (byte)119, (byte)136, (byte)153, (byte)170, (byte)187, (byte)204, (byte)221, (byte)238, (byte)255}; private BufferedImage createBinaryImage(int w, int h, int pixelBits) { int bytesPerRow = w * pixelBits / 8; if (w * pixelBits % 8 != 0) { bytesPerRow++; } byte[] imageData = new byte[h * bytesPerRow]; IndexColorModel cm = null; switch (pixelBits) { case 1: cm = new IndexColorModel(pixelBits, lut1Arr.length, lut1Arr, lut1Arr, lut1Arr); break; case 2: cm = new IndexColorModel(pixelBits, lut2Arr.length, lut2Arr, lut2Arr, lut2Arr); break; case 4: cm = new IndexColorModel(pixelBits, lut4Arr.length, lut4Arr, lut4Arr, lut4Arr); break; default: {new Exception("Invalid # of bit per pixel").printStackTrace();} } DataBuffer db = new DataBufferByte(imageData, imageData.length); WritableRaster r = Raster.createPackedRaster(db, w, h, pixelBits, null); return new BufferedImage(cm, r, false, null); } private BufferedImage createSGISurface(int w, int h, int pixelBits) { int rMask32 = 0xFF000000; int rMask16 = 0xF800; int gMask32 = 0x00FF0000; int gMask16 = 0x07C0; int bMask32 = 0x0000FF00; int bMask16 = 0x003E; DirectColorModel dcm = null; DataBuffer db = null; WritableRaster wr = null; switch (pixelBits) { case 16: short[] imageDataUShort = new short[w * h]; dcm = new DirectColorModel(16, rMask16, gMask16, bMask16); db = new DataBufferUShort(imageDataUShort, imageDataUShort.length); wr = Raster.createPackedRaster(db, w, h, w, new int[] {rMask16, gMask16, bMask16}, null); break; case 32: int[] imageDataInt = new int[w * h]; dcm = new DirectColorModel(32, rMask32, gMask32, bMask32); db = new DataBufferInt(imageDataInt, imageDataInt.length); wr = Raster.createPackedRaster(db, w, h, w, new int[] {rMask32, gMask32, bMask32}, null); break; default: {new Exception("Invalid # of bit per pixel").printStackTrace();} } return new BufferedImage(dcm, wr, false, null); } public Graphics2D createGraphics2D(int width, int height, BufferedImage bi, Graphics g) { Graphics2D g2 = null; if (bi != null) { g2 = bi.createGraphics(); } else { g2 = (Graphics2D) g; } g2.setBackground(getBackground()); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, AntiAlias); g2.setRenderingHint(RenderingHints.KEY_RENDERING, Rendering); if (clearSurface || clearOnce) { g2.clearRect(0, 0, width, height); clearOnce = false; } if (texture != null) { // set composite to opaque for texture fills g2.setComposite(AlphaComposite.SrcOver); g2.setPaint(texture); g2.fillRect(0, 0, width, height); } if (composite != null) { g2.setComposite(composite); } return g2; } public abstract void render(int w, int h, Graphics2D g); /** * It's possible to turn off double-buffering for just the repaint * calls invoked directly on the non double buffered component. * This can be done by overriding paintImmediately() (which is called * as a result of repaint) and getting the current RepaintManager and * turning off double buffering in the RepaintManager before calling * super.paintImmediately(g). */ public void paintImmediately(int x,int y,int w, int h) { RepaintManager repaintManager = null; boolean save = true; if (!isDoubleBuffered()) { repaintManager = RepaintManager.currentManager(this); save = repaintManager.isDoubleBufferingEnabled(); repaintManager.setDoubleBufferingEnabled(false); } super.paintImmediately(x, y, w, h); if (repaintManager != null) { repaintManager.setDoubleBufferingEnabled(save); } } public void paint(Graphics g) { Dimension d = getSize(); if (imageType == 1) bimg = null; else if (bimg == null || biw != d.width || bih != d.height) { bimg = createBufferedImage((Graphics2D)g, d.width, d.height, imageType-2); clearOnce = true; toBeInitialized = true; } if (toBeInitialized) { toBeInitialized = false; startClock(); } Graphics2D g2 = createGraphics2D(d.width, d.height, bimg, g); render(d.width, d.height, g2); g2.dispose(); if (bimg != null) { g.drawImage(bimg, 0, 0, null); toolkit.sync(); } } public void startClock() { orig = System.currentTimeMillis(); start = orig; frame = 0; } private static final int REPORTFRAMES = 30; public static void setAlpha(Graphics2D g, float alpha) { g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha)); } } static class ImageSurface extends Surface { private BufferedImage image; private double zoomX = 1, zoomY = 1; private Rectangle selection; public ImageSurface() { this(new RGBImage(1, 1, new int[] { 0xFFFFFF })); } public ImageSurface(RGBImage image) { this(image.getBufferedImage()); } public ImageSurface(BufferedImage image) { clearSurface = false; this.image = image; /*addMouseMotionListener(new MouseAdapter() { public void mouseMoved(MouseEvent e) { getMousePosition() } });*/ } public ImageSurface(RGBImage image, double zoom) { this(image); setZoom(zoom); } public void render(int w, int h, Graphics2D g) { g.setColor(Color.white); g.fillRect(0, 0, w, h); if (image != null) g.drawImage(image, 0, 0, getZoomedWidth(), getZoomedHeight(), null); if (selection != null) { // drawRect is inclusive, selection is exclusive, so... whatever, tests show it's cool. drawSelectionRect(g, selection, Color.green, Color.white); } } public void drawSelectionRect(Graphics2D g, Rectangle selection, Color green, Color white) { g.setColor(green); int top = (int) (selection.y * zoomY); int bottom = (int) ((selection.y+selection.height) * zoomY); int left = (int) (selection.x * zoomX); int right = (int) ((selection.x+selection.width) * zoomX); g.drawRect(left-1, top-1, right-left+1, bottom-top+1); g.setColor(white); g.drawRect(left - 2, top - 2, right - left + 3, bottom - top + 3); } public void setZoom(double zoom) { setZoom(zoom, zoom); } public void setZoom(double zoomX, double zoomY) { this.zoomX = zoomX; this.zoomY = zoomY; revalidate(); repaint(); } public Dimension getMinimumSize() { int w = getZoomedWidth(); int h = getZoomedHeight(); Dimension min = super.getMinimumSize(); return new Dimension(Math.max(w, min.width), Math.max(h, min.height)); } private int getZoomedHeight() { return (int) (image.getHeight() * zoomY); } private int getZoomedWidth() { return (int) (image.getWidth() * zoomX); } public void setImage(RGBImage image) { setImage(image.getBufferedImage()); } public void setImage(BufferedImage image) { this.image = image; revalidate(); repaint(); } public BufferedImage getImage() { return image; } public double getZoomX() { return zoomX; } public double getZoomY() { return zoomY; } public Dimension getPreferredSize() { return new Dimension(getZoomedWidth(), getZoomedHeight()); } /** returns a scrollpane with the scroll-mode prevent-garbage-drawing fix applied */ public JScrollPane makeScrollPane() { JScrollPane scrollPane = new JScrollPane(this); scrollPane.getViewport().setScrollMode(JViewport.BACKINGSTORE_SCROLL_MODE); return scrollPane; } public void zoomToDisplaySize() { if (image == null) return; Dimension display = getDisplaySize(); double xRatio = display.width/(double) image.getWidth(); double yRatio = display.height/(double) image.getHeight(); setZoom(Math.min(xRatio, yRatio)); revalidate(); } /** tricky magic to get parent scroll pane */ private Dimension getDisplaySize() { Container c = getParent(); while (c != null) { if (c instanceof JScrollPane) return c.getSize(); c = c.getParent(); } return getSize(); } public void setSelection(Rectangle r) { selection = r; repaint(); } public Rectangle getSelection() { return selection; } public RGBImage getRGBImage() { return new RGBImage(getImage()); } } static String title = "A Chart!", valuesTitle = "Woot?"; public static void main(String[] args) throws Exception { // Make values final int NUM_POINTS = 25; final double[] values = new double[NUM_POINTS]; for (int i = 0; i < NUM_POINTS; i++) values[i] = (Math.cos(30*i*Math.PI/180)*10 + 50)*i/20; Line line1 = Plots.newLine(Data.newData(values), com.googlecode.charts4j.Color.newColor("CA3D05"), valuesTitle); line1.setLineStyle(LineStyle.newLineStyle(3, 1, 0)); line1.addShapeMarkers(DIAMOND, newColor("CA3D05"), 12); line1.addShapeMarkers(DIAMOND, WHITE, 8); // Defining chart. LineChart chart = GCharts.newLineChart(line1); chart.setSize(600, 450); chart.setTitle(title, WHITE, 14); chart.addHorizontalRangeMarker(40, 60, newColor(RED, 30)); chart.addVerticalRangeMarker(70, 90, newColor(GREEN, 30)); chart.setGrid(25, 25, 3, 2); // Defining axis info and styles AxisStyle axisStyle = AxisStyle.newAxisStyle(WHITE, 12, AxisTextAlignment.CENTER); AxisLabels xAxis = AxisLabelsFactory.newAxisLabels("Nov", "Dec", "Jan", "Feb", "Mar"); xAxis.setAxisStyle(axisStyle); AxisLabels xAxis2 = AxisLabelsFactory.newAxisLabels("2007", "2007", "2008", "2008", "2008"); xAxis2.setAxisStyle(axisStyle); AxisLabels yAxis = AxisLabelsFactory.newAxisLabels("", "25", "50", "75", "100"); AxisLabels xAxis3 = AxisLabelsFactory.newAxisLabels("Month", 50.0); xAxis3.setAxisStyle(AxisStyle.newAxisStyle(WHITE, 14, AxisTextAlignment.CENTER)); yAxis.setAxisStyle(axisStyle); AxisLabels yAxis2 = AxisLabelsFactory.newAxisLabels("Hits", 50.0); yAxis2.setAxisStyle(AxisStyle.newAxisStyle(WHITE, 14, AxisTextAlignment.CENTER)); yAxis2.setAxisStyle(axisStyle); // Adding axis info to chart. chart.addXAxisLabels(xAxis); chart.addXAxisLabels(xAxis2); chart.addXAxisLabels(xAxis3); chart.addYAxisLabels(yAxis); chart.addYAxisLabels(yAxis2); // Defining background and chart fills. chart.setBackgroundFill(Fills.newSolidFill(newColor("1F1D1D"))); LinearGradientFill fill = Fills.newLinearGradientFill(0, newColor("363433"), 100); fill.addColorAndOffset(newColor("2E2B2A"), 0); chart.setAreaFill(fill); String url = chart.toURLString(); print("URL: " + url); showImage(url, "A Chart!"); } static StringBuffer print_log; static void print() { print(""); } static void print(Object o) { String s = String.valueOf(o) + "\n"; synchronized(StringBuffer.class) { if (print_log == null) print_log = new StringBuffer(); } print_log.append(s); System.out.print(s); } static void print(long l) { print(String.valueOf(l)); } static ImageSurface showImage(String snippetIDOrURL, String title) { return showImage(loadImage(snippetIDOrURL), title); } static ImageSurface showImage(BufferedImage img, String title) { ImageSurface is = showImage(img); getFrame(is).setTitle(title); return is; } static ImageSurface showImage(BufferedImage img) { JFrame frame = new JFrame("JavaX"); ImageSurface is = new ImageSurface(img); frame.getContentPane().add(new JScrollPane(is)); frame.pack(); centerFrame(frame); frame.setVisible(true); return is; } static ImageSurface showImage(RGBImage img) { return showImage(img.getBufferedImage()); } static ImageSurface showImage(RGBImage img, String title) { ImageSurface is = showImage(img.getBufferedImage()); getFrame(is).setTitle(title); return is; } static ImageSurface showImage(String imageID) { return showImage(loadImage(imageID)); } static ImageSurface showImage(RGBImage img, ImageSurface surface) { if (surface == null) return showImage(img); else { surface.setImage(img); return surface; } } static void centerFrame(JFrame frame) { frame.setLocationRelativeTo(null); // magic trick } static JFrame getFrame(Object o) { if (!(o instanceof Component)) return null; Component c = (Component) ( o); while (c != null) { if (c instanceof JFrame) return (JFrame) c; c = c.getParent(); } return null; } static boolean loadImage_useImageCache = true; static RGBImage loadImage(String snippetIDOrURL) { try { if (isURL(snippetIDOrURL)) return new RGBImage(ImageIO.read(new URL(snippetIDOrURL))); if (!isSnippetID(snippetIDOrURL)) fail("Not a URL or snippet ID: " + snippetIDOrURL); String snippetID = "" + parseSnippetID(snippetIDOrURL); try { // TODO: androidify File dir = new File(System.getProperty("user.home"), ".tinybrain/image-cache"); if (loadImage_useImageCache) { dir.mkdirs(); File file = new File(dir, snippetID + ".png"); if (file.exists() && file.length() != 0) try { return new RGBImage(ImageIO.read(file)); } catch (Throwable e) { e.printStackTrace(); // fall back to loading from sourceforge } } String imageURL = snippetImageURL(snippetID); System.err.println("Loading image: " + imageURL); BufferedImage image = ImageIO.read(new URL(imageURL)); if (loadImage_useImageCache) { File tempFile = new File(dir, snippetID + ".tmp." + System.currentTimeMillis()); ImageIO.write(image, "png", tempFile); tempFile.renameTo(new File(dir, snippetID + ".png")); //Log.info("Cached image."); } //Log.info("Loaded image."); return new RGBImage(image); } catch (IOException e) { throw new RuntimeException(e); } } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static RuntimeException fail() { throw new RuntimeException("fail"); } static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); } static RuntimeException fail(String msg) { throw new RuntimeException(unnull(msg)); } static RuntimeException fail(String msg, Object... args) { throw new RuntimeException(format(msg, args)); } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) fail("0 is not a snippet ID"); return id; } static boolean isURL(String s) { return s.startsWith("http://") || s.startsWith("https://"); } static String snippetImageURL(String snippetID) { long id = parseSnippetID(snippetID); String url; if (id == 1000010 || id == 1000012) url = "http://tinybrain.de:8080/tb/show-blobimage.php?id=" + id; else url = "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + id + "&contentType=image/png"; return url; } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } static String unnull(String s) { return s == null ? "" : s; } static List unnull(List l) { return l == null ? emptyList() : l; } static String format(String pat, Object... args) { return format3(pat, args); } static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return snippetID; } static String format3(String pat, Object... args) { if (args.length == 0) return pat; List tok = javaTokPlusPeriod(pat); int argidx = 0; for (int i = 1; i < tok.size(); i += 2) if (tok.get(i).equals("*")) tok.set(i, format3_formatArg(argidx < args.length ? args[argidx++] : "null")); return join(tok); } static String format3_formatArg(Object arg) { if (arg == null) return "null"; if (arg instanceof String) { String s = (String) arg; return isIdentifier(s) || isNonNegativeInteger(s) ? s : quote(s); } if (arg instanceof Integer || arg instanceof Long) return String.valueOf(arg); return quote(structure(arg)); } static List emptyList() { return Collections.emptyList(); } static boolean isIdentifier(String s) { return isJavaIdentifier(s); } static boolean isNonNegativeInteger(String s) { return s != null && Pattern.matches("\\d+", s); } static String structure(Object o) { return structure(o, 0); } // leave to false, unless unstructure() breaks static boolean structure_allowShortening = false; static String structure(Object o, int stringSizeLimit) { if (o == null) return "null"; String name = o.getClass().getName(); StringBuilder buf = new StringBuilder(); if (o instanceof Collection) { // TODO: store the type (e.g. HashSet/TreeSet) for (Object x : (Collection) o) { if (buf.length() != 0) buf.append(", "); buf.append(structure(x, stringSizeLimit)); } return "[" + buf + "]"; } if (o instanceof Map) { for (Object e : ((Map) o).entrySet()) { if (buf.length() != 0) buf.append(", "); buf.append(structure(((Map.Entry) e).getKey(), stringSizeLimit)); buf.append("="); buf.append(structure(((Map.Entry) e).getValue(), stringSizeLimit)); } return (o instanceof HashMap ? "hashmap" : "") + "{" + buf + "}"; } if (o.getClass().isArray()) { int n = Array.getLength(o); for (int i = 0; i < n; i++) { if (buf.length() != 0) buf.append(", "); buf.append(structure(Array.get(o, i), stringSizeLimit)); } return "array{" + buf + "}"; } if (o instanceof String) return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o); if (o instanceof Class) return "class(" + quote(((Class) o).getName()) + ")"; if (o instanceof Throwable) return "exception(" + quote(((Throwable) o).getMessage()) + ")"; if (o instanceof BigInteger) return "bigint(" + o + ")"; if (o instanceof Double) return "d(" + quote(str(o)) + ")"; // Need more cases? This should cover all library classes... if (name.startsWith("java.") || name.startsWith("javax.")) return String.valueOf(o); String shortName = o.getClass().getName().replaceAll("^main\\$", ""); int numFields = 0; String fieldName = ""; if (shortName.equals("DynamicObject")) { shortName = (String) get(o, "className"); Map fieldValues = (Map) get(o, "fieldValues"); for (String _fieldName : fieldValues.keySet()) { fieldName = _fieldName; Object value = fieldValues.get(fieldName); if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure(value, stringSizeLimit)); } ++numFields; } } else { // regular class // TODO: go to superclasses too Field[] fields = o.getClass().getDeclaredFields(); for (Field field : fields) { if ((field.getModifiers() & Modifier.STATIC) != 0) continue; Object value; try { field.setAccessible(true); value = field.get(o); } catch (Exception e) { value = "?"; } fieldName = field.getName(); // put special cases here... if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure(value, stringSizeLimit)); } ++numFields; } } String b = buf.toString(); if (numFields == 1 && structure_allowShortening) b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one String s = shortName; if (buf.length() != 0) s += "(" + b + ")"; return s; } static String quote(String s) { if (s == null) return "null"; return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\""; } static String quote(long l) { return quote("" + l); } // This is made for NL parsing. // It's javaTok extended with "..." token, "$n" and "#n" and // special quotes (which are converted to normal ones). static List javaTokPlusPeriod(String s) { List tok = new ArrayList(); int l = s.length(); int i = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(s.substring(i, j)); i = j; if (i >= l) break; c = s.charAt(i); cc = s.substring(i, Math.min(i+2, l)); // scan for non-whitespace if (c == '\u201C' || c == '\u201D') c = '"'; // normalize quotes if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { char _c = s.charAt(j); if (_c == '\u201C' || _c == '\u201D') _c = '"'; // normalize quotes if (_c == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } if (j-1 >= i+1) { tok.add(opener + s.substring(i+1, j-1) + opener); i = j; continue; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // for things like "this one's" else if (Character.isDigit(c)) do ++j; while (j < l && Character.isDigit(s.charAt(j))); else if (cc.equals("[[")) { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (s.substring(j, Math.min(j+3, l)).equals("...")) j += 3; else if (c == '$' || c == '#') do ++j; while (j < l && Character.isDigit(s.charAt(j))); else ++j; tok.add(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } public static String join(String glue, Iterable strings) { StringBuilder buf = new StringBuilder(); Iterator i = strings.iterator(); if (i.hasNext()) { buf.append(i.next()); while (i.hasNext()) buf.append(glue).append(i.next()); } return buf.toString(); } public static String join(String glue, String[] strings) { return join(glue, Arrays.asList(strings)); } public static String join(Iterable strings) { return join("", strings); } public static String join(String[] strings) { return join("", strings); } static String shorten(String s, int max) { if (s == null) return ""; return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "..."; } // get purpose 1: access a list/array (safer version of x.get(y)) static A get(List l, int idx) { return idx >= 0 && idx < l(l) ? l.get(idx) : null; } static A get(A[] l, int idx) { return idx >= 0 && idx < l(l) ? l[idx] : null; } // get purpose 2: access a field by reflection static Object get(Object o, String field) { if (o instanceof Class) return get((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return call(get_raw(o, "fieldValues"), "get", field); return get_raw(o, field); } static Object get_raw(Object o, String field) { try { Field f = get_findField(o.getClass(), field); f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field get_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static Field get_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static String str(Object o) { return String.valueOf(o); } static boolean isJavaIdentifier(String s) { if (s.length() == 0 || !Character.isJavaIdentifierStart(s.charAt(0))) return false; for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i))) return false; return true; } static int l(Object[] array) { return array == null ? 0 : array.length; } static int l(byte[] array) { return array == null ? 0 : array.length; } static int l(int[] array) { return array == null ? 0 : array.length; } static int l(Collection c) { return c == null ? 0 : c.size(); } static int l(Map m) { return m == null ? 0 : m.size(); } static int l(String s) { return s == null ? 0 : s.length(); } // varargs assignment fixer for a single string array argument static Object call(Object o, String method, String[] arg) { return call(o, method, new Object[] {arg}); } static Object call(Object o, String method, Object... args) { try { if (o instanceof Class) { Method m = call_findStaticMethod((Class) o, method, args, false); m.setAccessible(true); return m.invoke(null, args); } else { Method m = call_findMethod(o, method, args, false); m.setAccessible(true); return m.invoke(o, args); } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName()); } static Method call_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && call_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName()); } private static boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } // extended over Class.isInstance() to handle primitive types static boolean isInstanceX(Class type, Object arg) { if (type == boolean.class) return arg instanceof Boolean; if (type == int.class) return arg instanceof Integer; if (type == long.class) return arg instanceof Long; if (type == float.class) return arg instanceof Float; if (type == short.class) return arg instanceof Short; if (type == char.class) return arg instanceof Character; if (type == byte.class) return arg instanceof Byte; if (type == double.class) return arg instanceof Double; return type.isInstance(arg); } static Class getClass(String name) { try { return Class.forName(name); } catch (ClassNotFoundException e) { return null; } } static void save(String varName) { saveLocally(varName); } static void save(String progID, String varName) { saveLocally(progID, varName); } static boolean equals(Object a, Object b) { return a == null ? b == null : a.equals(b); } static void saveLocally(String variableName) { saveLocally(programID(), variableName); } static synchronized void saveLocally(String progID, String variableName) { File textFile = new File(programDir(progID), variableName + ".text"); File structureFile = new File(programDir(progID), variableName + ".structure"); Object x = get(main.class, variableName); if (x == null) { textFile.delete(); structureFile.delete(); } else if (x instanceof String) { structureFile.delete(); saveTextFile(textFile, (String) x); } else { textFile.delete(); saveTextFile(structureFile, structure(x)); } } static File programDir() { return programDir(getProgramID()); } static File programDir(String snippetID) { return new File(userHome(), "JavaX-Data/" + formatSnippetID(snippetID)); } static String programID() { return getProgramID(); } /** writes safely (to temp file, then rename) */ public static void saveTextFile(String fileName, String contents) throws IOException { File file = new File(fileName); File parentFile = file.getParentFile(); if (parentFile != null) parentFile.mkdirs(); String tempFileName = fileName + "_temp"; if (contents != null) { FileOutputStream fileOutputStream = new FileOutputStream(tempFileName); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8"); PrintWriter printWriter = new PrintWriter(outputStreamWriter); printWriter.print(contents); printWriter.close(); } if (file.exists() && !file.delete()) throw new IOException("Can't delete " + fileName); if (contents != null) if (!new File(tempFileName).renameTo(file)) throw new IOException("Can't rename " + tempFileName + " to " + fileName); } public static void saveTextFile(File fileName, String contents) { try { saveTextFile(fileName.getPath(), contents); } catch (IOException e) { throw new RuntimeException(e); } } static String programID; static String getProgramID() { return programID; } // TODO: ask JavaX instead static String getProgramID(Class c) { return or((String) getOpt(c, "programID"), "?"); } static String _userHome; static String userHome() { if (_userHome == null) { if (isAndroid()) _userHome = "/storage/sdcard0/"; else _userHome = System.getProperty("user.home"); //System.out.println("userHome: " + _userHome); } return _userHome; } static String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } static A or(A a, A b) { return a != null ? a : b; } static Object getOpt(Object o, String field) { if (o == null) return null; if (o instanceof Class) return getOpt((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return call(getOpt_raw(o, "fieldValues"), "get", field); if (o instanceof Map) return ((Map) o).get(field); return getOpt_raw(o, field); } static Object getOpt_raw(Object o, String field) { try { Field f = getOpt_findField(o.getClass(), field); if (f == null) return null; f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object getOpt(Class c, String field) { try { Field f = getOpt_findStaticField(c, field); if (f == null) return null; f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field getOpt_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static Field getOpt_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static boolean isAndroid() { return System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0; } }