private void newImage(Buffer buffer) { Object data = buffer.getData(); if (!(data instanceof int[])) return; RGBFormat format = (RGBFormat) buffer.getFormat(); DirectColorModel dcm = new DirectColorModel( format.getBitsPerPixel(), format.getRedMask(), format.getGreenMask(), format.getBlueMask()); sourceImage = new MemoryImageSource( format.getLineStride(), format.getSize().height, dcm, (int[]) data, 0, format.getLineStride()); sourceImage.setAnimated(true); sourceImage.setFullBufferUpdates(true); if (component != null) { destImage = component.createImage(sourceImage); component.prepareImage(destImage, component); } }
/** * Replaces text in the specified range with the replacement string. * * @param view The view * @param buffer The buffer * @param start The start offset * @param end The end offset * @return True if the operation was successful, false otherwise */ public static boolean replace(View view, Buffer buffer, int start, int end) { if (!buffer.isEditable()) return false; // component that will parent any dialog boxes Component comp = SearchDialog.getSearchDialog(view); if (comp == null) comp = view; boolean smartCaseReplace = getSmartCaseReplace(); try { buffer.beginCompoundEdit(); SearchMatcher matcher = getSearchMatcher(); if (matcher == null) return false; initReplace(); int retVal = 0; retVal += _replace(view, buffer, matcher, start, end, smartCaseReplace); if (retVal != 0) return true; } catch (Exception e) { handleError(comp, e); } finally { buffer.endCompoundEdit(); } return false; } // }}}
public void render(VisCanvas vc, VisLayer layer, VisCanvas.RenderInfo rinfo, GL gl) { synchronized (buffers) { for (Buffer b : buffers) { if (!b.isEnabled()) continue; synchronized (b) { for (VisObject vo : b.front) { if (vo != null) vo.render(vc, layer, rinfo, gl); } } } } }
public void captureImage() { String savepath = this.saveDirectory + "\\cam" + this.getDateFormatNow("yyyyMMdd_HHmmss-S") + ".jpg"; System.out.println("Capturing current image to " + savepath); // Grab a frame FrameGrabbingControl fgc = (FrameGrabbingControl) player.getControl("javax.media.control.FrameGrabbingControl"); buf = fgc.grabFrame(); // Convert it to an image btoi = new BufferToImage((VideoFormat) buf.getFormat()); img = btoi.createImage(buf); // save image saveJPG(img, savepath); // show the image // imgpanel.setImage(img); // images.add(img); images.add(savepath); if (images_lastadded.size() >= lastadded_max) { // Remove last images_lastadded.remove(images_lastadded.size() - 1); } images_lastadded.add(0, images.size() - 1); images_nevershown.add(0, images.size() - 1); forceNewImage(); }
/** Processes the data and renders it to a component */ public synchronized int process(Buffer buffer) { if (component == null) return BUFFER_PROCESSED_FAILED; Format inf = buffer.getFormat(); if (inf == null) return BUFFER_PROCESSED_FAILED; if (inf != inputFormat || !buffer.getFormat().equals(inputFormat)) { if (setInputFormat(inf) != null) return BUFFER_PROCESSED_FAILED; } Object data = buffer.getData(); if (!(data instanceof int[])) return BUFFER_PROCESSED_FAILED; if (lastBuffer != buffer) { lastBuffer = buffer; newImage(buffer); } sourceImage.newPixels(0, 0, inWidth, inHeight); Graphics g = component.getGraphics(); if (g != null) { if (reqBounds == null) { bounds = component.getBounds(); bounds.x = 0; bounds.y = 0; } else bounds = reqBounds; g.drawImage( destImage, bounds.x, bounds.y, bounds.width, bounds.height, 0, 0, inWidth, inHeight, component); } return BUFFER_PROCESSED_OK; }
public VideoTrack(PullSourceStream stream) throws ResourceUnavailableException { super(); this.stream = stream; // set format // read first frame to determine format final Buffer buffer = new Buffer(); readFrame(buffer); if (buffer.isDiscard() || buffer.isEOM()) throw new ResourceUnavailableException("Unable to read first frame"); // TODO: catch runtime exception too? // parse jpeg final java.awt.Image image; try { image = ImageIO.read( new ByteArrayInputStream( (byte[]) buffer.getData(), buffer.getOffset(), buffer.getLength())); } catch (IOException e) { logger.log(Level.WARNING, "" + e, e); throw new ResourceUnavailableException("Error reading image: " + e); } if (image == null) { logger.log(Level.WARNING, "Failed to read image (ImageIO.read returned null)."); throw new ResourceUnavailableException(); } if (frameContentType.equals("image/jpeg")) format = new JPEGFormat( new Dimension(image.getWidth(null), image.getHeight(null)), Format.NOT_SPECIFIED, Format.byteArray, -1.f, Format.NOT_SPECIFIED, Format.NOT_SPECIFIED); else if (frameContentType.equals("image/gif")) format = new GIFFormat( new Dimension(image.getWidth(null), image.getHeight(null)), Format.NOT_SPECIFIED, Format.byteArray, -1.f); else if (frameContentType.equals("image/png")) format = new PNGFormat( new Dimension(image.getWidth(null), image.getHeight(null)), Format.NOT_SPECIFIED, Format.byteArray, -1.f); else throw new ResourceUnavailableException( "Unsupported frame content type: " + frameContentType); // TODO: this discards first image. save and return first time // readFrame is called. }
/** * Finds the next instance of the search string in the specified buffer. * * @param view The view * @param buffer The buffer * @param start Location where to start the search * @param firstTime See {@link * SearchMatcher#nextMatch(CharSequence,boolean,boolean,boolean,boolean)}. * @since jEdit 4.1pre7 */ public static boolean find( View view, Buffer buffer, int start, boolean firstTime, boolean reverse) throws Exception { EditBus.send(new PositionChanging(view.getEditPane())); SearchMatcher matcher = getSearchMatcher(); if (matcher == null) { view.getToolkit().beep(); return false; } CharSequence text; boolean startOfLine; boolean endOfLine; if (reverse) { text = new ReverseCharSequence(buffer.getSegment(0, start)); startOfLine = true; endOfLine = (buffer.getLineEndOffset(buffer.getLineOfOffset(start)) - 1 == start); } else { text = buffer.getSegment(start, buffer.getLength() - start); startOfLine = (buffer.getLineStartOffset(buffer.getLineOfOffset(start)) == start); endOfLine = true; } String noWordSep = buffer.getStringProperty("noWordSep"); matcher.setNoWordSep(noWordSep); SearchMatcher.Match match = matcher.nextMatch(text, startOfLine, endOfLine, firstTime, reverse); if (match != null) { jEdit.commitTemporary(buffer); view.setBuffer(buffer, true); JEditTextArea textArea = view.getTextArea(); if (reverse) { textArea.setSelection(new Selection.Range(start - match.end, start - match.start)); // make sure end of match is visible textArea.scrollTo(start - match.start, false); textArea.moveCaretPosition(start - match.end); } else { textArea.setSelection(new Selection.Range(start + match.start, start + match.end)); textArea.moveCaretPosition(start + match.end); // make sure start of match is visible textArea.scrollTo(start + match.start, false); } return true; } else return false; } // }}}
// {{{ print() method public static void print(final View view, final Buffer buffer, boolean selection) { job = getPrintJob(buffer.getPath()); boolean header = jEdit.getBooleanProperty("print.header"); boolean footer = jEdit.getBooleanProperty("print.footer"); boolean lineNumbers = jEdit.getBooleanProperty("print.lineNumbers"); boolean color = jEdit.getBooleanProperty("print.color"); Font font = jEdit.getFontProperty("print.font"); BufferPrintable printable = new BufferPrintable(job, format, view, buffer, font, header, footer, lineNumbers, color); job.setPrintable(printable); if (!job.printDialog(format)) return; savePrintSpec(); printable.print(); } // }}}
@Override public void readFrame(Buffer buffer) { // example data: // --ssBoundary8345 // Content-Type: image/jpeg // Content-Length: 114587 try { String line; // eat leading blank lines while (true) { line = readLine(MAX_LINE_LENGTH); if (line == null) { buffer.setEOM(true); buffer.setLength(0); return; } if (!line.trim().equals("")) break; // end of header } if (boundary == null) { boundary = line.trim(); // TODO: we should be able to get // this from the content type, but // the content type has this // stripped out. So we'll just take // the first nonblank line to be the // boundary. // System.out.println("boundary: " + boundary); } else { if (!line.trim().equals(boundary)) { // throw new IOException("Expected boundary: " + // toPrintable(line)); // TODO: why do we seem to get these when playing back // mmr files recorded using FmjTranscode? logger.warning("Expected boundary (frame " + framesRead + "): " + toPrintable(line)); // handle streams that are truncated in the middle of a // frame: final int eatResult = eatUntil(boundary); // TODO: no // need to // store the // data logger.info( "Ignored bytes (eom after=" + (eatResult < 0) + "): " + (eatResult < 0 ? (-1 * eatResult - 1) : eatResult)); if (eatResult < 0) { buffer.setEOM(true); buffer.setLength(0); return; } // now read boundary line = readLine(MAX_LINE_LENGTH); if (!line.trim().equals(boundary)) { throw new RuntimeException("No boundary found after eatUntil(boundary)"); // should // never // happen } } } final Properties properties = new Properties(); while (true) { line = readLine(MAX_LINE_LENGTH); if (line == null) { buffer.setEOM(true); buffer.setLength(0); return; } if (line.trim().equals("")) break; // end of header if (!parseProperty(line, properties)) throw new IOException("Expected property: " + toPrintable(line)); } final String contentType = properties.getProperty("Content-Type".toUpperCase()); if (contentType == null) { logger.warning("Header properties: " + properties); throw new IOException("Expected Content-Type in header"); } // check supported content types: if (!isSupportedFrameContentType(contentType)) { throw new IOException("Unsupported Content-Type: " + contentType); } if (frameContentType == null) { frameContentType = contentType; } else { if (!contentType.equals(frameContentType)) throw new IOException( "Content type changed during stream from " + frameContentType + " to " + contentType); } // TODO: check that size doesn't change throughout final byte[] data; final String contentLenStr = properties.getProperty("Content-Length".toUpperCase()); if (contentLenStr != null) { // if we know the content length, use it final int contentLen; try { contentLen = Integer.parseInt(contentLenStr); } catch (NumberFormatException e) { throw new IOException("Invalid content length: " + contentLenStr); } // now, read the content-length bytes data = readFully(contentLen); // TODO: don't realloc each // time } else { // if we don't know the content length, just read until we // find the boundary. // Some IP cameras don't specify it, like // http://webcam-1.duesseldorf.it-on.net/cgi-bin/nph-update.cgi data = readUntil(boundary); } // ext final String timestampStr = properties.getProperty(TIMESTAMP_KEY.toUpperCase()); if (timestampStr != null) { try { final long timestamp = Long.parseLong(timestampStr); buffer.setTimeStamp(timestamp); } catch (NumberFormatException e) { logger.log(Level.WARNING, "" + e, e); } } if (data == null) { buffer.setEOM(true); buffer.setLength(0); return; } buffer.setData(data); buffer.setOffset(0); buffer.setLength(data.length); ++framesRead; } catch (IOException e) { throw new RuntimeException(e); } }
/** * Blocks and reads into a <tt>Buffer</tt> from this <tt>PullBufferStream</tt>. * * @param buffer the <tt>Buffer</tt> this <tt>PullBufferStream</tt> is to read into * @throws IOException if an I/O error occurs while this <tt>PullBufferStream</tt> reads into the * specified <tt>Buffer</tt> * @see AbstractVideoPullBufferStream#doRead(Buffer) */ @Override protected void doRead(Buffer buffer) throws IOException { /* * Determine the Format in which we're expected to output. We cannot * rely on the Format always being specified in the Buffer because it is * not its responsibility, the DataSource of this ImageStream knows the * output Format. */ Format format = buffer.getFormat(); if (format == null) { format = getFormat(); if (format != null) buffer.setFormat(format); } if (format instanceof AVFrameFormat) { Object o = buffer.getData(); AVFrame frame; if (o instanceof AVFrame) frame = (AVFrame) o; else { frame = new AVFrame(); buffer.setData(frame); } AVFrameFormat avFrameFormat = (AVFrameFormat) format; Dimension size = avFrameFormat.getSize(); ByteBuffer data = readScreenNative(size); if (data != null) { if (frame.avpicture_fill(data, avFrameFormat) < 0) { data.free(); throw new IOException("avpicture_fill"); } } else { /* * This can happen when we disconnect a monitor from computer * before or during grabbing. */ throw new IOException("Failed to grab screen."); } } else { byte[] bytes = (byte[]) buffer.getData(); Dimension size = ((VideoFormat) format).getSize(); bytes = readScreen(bytes, size); buffer.setData(bytes); buffer.setOffset(0); buffer.setLength(bytes.length); } buffer.setHeader(null); buffer.setTimeStamp(System.nanoTime()); buffer.setSequenceNumber(seqNo); buffer.setFlags(Buffer.FLAG_SYSTEM_TIME | Buffer.FLAG_LIVE_DATA); seqNo++; }
public int process(Buffer inBuffer, Buffer outBuffer) { try { if (frameConverter == null) { frameConverter = new BufferToImage((VideoFormat) inBuffer.getFormat()); } // Convert the Buffer to an AWT Image. Image frameImage = frameConverter.createImage(inBuffer); // Derive a JAI image from the AWT image. PlanarImage jaiImage = JAI.create("AWTImage", frameImage); int index; boolean emboss = false; if (control != null) { index = control.getEffectIndex(); if (control.getEffectName().equals("None")) { outBuffer.setData(inBuffer.getData()); outBuffer.setFormat(inBuffer.getFormat()); outBuffer.setFlags(inBuffer.getFlags()); outBuffer.setLength(inBuffer.getLength()); return BUFFER_PROCESSED_OK; } if (control.getEffectName().equals("Emboss")) { emboss = true; // Special case } } else index = 0; if (kernels[index] == null) { kernels[index] = new KernelJAI(3, 3, matrices[index]); } jaiImage = JAI.create("convolve", jaiImage, kernels[index]); if (emboss) { // add 128 to make it brighter double[] constants = new double[] {128., 128., 128.}; ParameterBlock pb = new ParameterBlock(); pb.addSource(jaiImage); pb.add(constants); jaiImage = JAI.create("addconst", pb, null); } // Now convert the image to a buffer BufferedImage bim = jaiImage.getAsBufferedImage(); Buffer out = ImageToBuffer.createBuffer(bim, 15.F); if (out == null) { if (debug) { System.out.println("ImageToBuffer returned null"); } return BUFFER_PROCESSED_FAILED; } outBuffer.setData(out.getData()); outBuffer.setFormat(out.getFormat()); outBuffer.setFlags(out.getFlags()); outBuffer.setLength(out.getLength()); } catch (Exception e) { System.err.println(e); return BUFFER_PROCESSED_FAILED; } catch (Error e) { System.err.println(e); return BUFFER_PROCESSED_FAILED; } return BUFFER_PROCESSED_OK; }
/** * Replaces all occurrences of the search string with the replacement string. * * @param view The view * @param dontOpenChangedFiles Whether to open changed files or to autosave them quietly * @return the number of modified files */ public static boolean replaceAll(View view, boolean dontOpenChangedFiles) { // component that will parent any dialog boxes Component comp = SearchDialog.getSearchDialog(view); if (comp == null) comp = view; if (fileset.getFileCount(view) == 0) { GUIUtilities.error(comp, "empty-fileset", null); return false; } record(view, "replaceAll(view)", true, true); view.showWaitCursor(); boolean smartCaseReplace = getSmartCaseReplace(); int fileCount = 0; int occurCount = 0; try { SearchMatcher matcher = getSearchMatcher(); if (matcher == null) return false; initReplace(); String path = fileset.getFirstFile(view); loop: while (path != null) { Buffer buffer = jEdit.openTemporary(view, null, path, false); /* this is stupid and misleading. * but 'path' is not used anywhere except * the above line, and if this is done * after the 'continue', then we will * either hang, or be forced to duplicate * it inside the buffer == null, or add * a 'finally' clause. you decide which one's * worse. */ path = fileset.getNextFile(view, path); if (buffer == null) continue loop; // Wait for buffer to finish loading if (buffer.isPerformingIO()) VFSManager.waitForRequests(); if (!buffer.isEditable()) continue loop; // Leave buffer in a consistent state if // an error occurs int retVal = 0; try { buffer.beginCompoundEdit(); retVal = _replace(view, buffer, matcher, 0, buffer.getLength(), smartCaseReplace); } finally { buffer.endCompoundEdit(); } if (retVal != 0) { fileCount++; occurCount += retVal; if (dontOpenChangedFiles) { buffer.save(null, null); } else { jEdit.commitTemporary(buffer); jEdit.getBufferSetManager().addBuffer(view, buffer); } } } } catch (Exception e) { handleError(comp, e); } finally { view.hideWaitCursor(); } /* Don't do this when playing a macro, cos it's annoying */ if (!BeanShell.isScriptRunning()) { Object[] args = {Integer.valueOf(occurCount), Integer.valueOf(fileCount)}; view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args)); if (occurCount == 0) view.getToolkit().beep(); } return (fileCount != 0); } // }}}
/** * Replaces the current selection with the replacement string. * * @param view The view * @return True if the operation was successful, false otherwise */ public static boolean replace(View view) { // component that will parent any dialog boxes Component comp = SearchDialog.getSearchDialog(view); if (comp == null) comp = view; JEditTextArea textArea = view.getTextArea(); Buffer buffer = view.getBuffer(); if (!buffer.isEditable()) return false; boolean smartCaseReplace = getSmartCaseReplace(); Selection[] selection = textArea.getSelection(); if (selection.length == 0) { view.getToolkit().beep(); return false; } record(view, "replace(view)", true, false); // a little hack for reverse replace and find int caret = textArea.getCaretPosition(); Selection s = textArea.getSelectionAtOffset(caret); if (s != null) caret = s.getStart(); try { buffer.beginCompoundEdit(); SearchMatcher matcher = getSearchMatcher(); if (matcher == null) return false; initReplace(); int retVal = 0; for (int i = 0; i < selection.length; i++) { s = selection[i]; retVal += replaceInSelection(view, textArea, buffer, matcher, smartCaseReplace, s); } if (reverse) { // so that Replace and Find continues from // the right location textArea.moveCaretPosition(caret); } else { s = textArea.getSelectionAtOffset(textArea.getCaretPosition()); if (s != null) textArea.moveCaretPosition(s.getEnd()); } if (!BeanShell.isScriptRunning()) { Object[] args = {Integer.valueOf(retVal), Integer.valueOf(1)}; view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args)); } if (retVal == 0) { view.getToolkit().beep(); return false; } return true; } catch (Exception e) { handleError(comp, e); } finally { buffer.endCompoundEdit(); } return false; } // }}}
/** * Finds the next occurrence of the search string. * * @param view The view * @return True if the operation was successful, false otherwise */ public static boolean find(View view) { // component that will parent any dialog boxes Component comp = SearchDialog.getSearchDialog(view); if (comp == null || !comp.isShowing()) comp = view; String path = fileset.getNextFile(view, null); if (path == null) { GUIUtilities.error(comp, "empty-fileset", null); return false; } try { view.showWaitCursor(); SearchMatcher matcher = getSearchMatcher(); if (matcher == null) { view.getToolkit().beep(); return false; } record(view, "find(view)", false, true); boolean repeat = false; loop: for (; ; ) { while (path != null) { Buffer buffer = jEdit.openTemporary(view, null, path, false); /* this is stupid and misleading. * but 'path' is not used anywhere except * the above line, and if this is done * after the 'continue', then we will * either hang, or be forced to duplicate * it inside the buffer == null, or add * a 'finally' clause. you decide which one's * worse. */ if (reverse) { path = fileset.getPrevFile(view, path); } else { path = fileset.getNextFile(view, path); } if (buffer == null) continue loop; // Wait for the buffer to load if (!buffer.isLoaded()) VFSManager.waitForRequests(); int start; if (view.getBuffer() == buffer && !repeat) { JEditTextArea textArea = view.getTextArea(); Selection s = textArea.getSelectionAtOffset(textArea.getCaretPosition()); if (s == null) start = textArea.getCaretPosition(); else if (reverse) start = s.getStart(); else start = s.getEnd(); } else if (reverse) start = buffer.getLength(); else start = 0; if (find(view, buffer, start, repeat, reverse)) return true; } if (repeat) { if (!BeanShell.isScriptRunning()) { view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.search-not-found")); view.getToolkit().beep(); } return false; } boolean restart; // if auto wrap is on, always restart search. // if auto wrap is off, and we're called from // a macro, stop search. If we're called // interactively, ask the user what to do. if (wrap) { if (!BeanShell.isScriptRunning()) { view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.auto-wrap")); // beep if beep property set if (jEdit.getBooleanProperty("search.beepOnSearchAutoWrap")) { view.getToolkit().beep(); } } restart = true; } else if (BeanShell.isScriptRunning()) { restart = false; } else { Integer[] args = {Integer.valueOf(reverse ? 1 : 0)}; int result = GUIUtilities.confirm( comp, "keepsearching", args, JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE); restart = (result == JOptionPane.YES_OPTION); } if (restart) { // start search from beginning path = fileset.getFirstFile(view); repeat = true; } else break loop; } } catch (Exception e) { handleError(comp, e); } finally { view.hideWaitCursor(); } return false; } // }}}
/** Should be somewhere else... */ private static int getColumnOnOtherLine(Buffer buffer, int line, int col) { int returnValue = buffer.getOffsetOfVirtualColumn(line, col, null); if (returnValue == -1) return buffer.getLineEndOffset(line) - 1; else return buffer.getLineStartOffset(line) + returnValue; } // }}}
@Override public void read(Buffer buffer) throws IOException { pbs.read(buffer); // Remap the time stamps so it won't wrap around // while changing to a new file. if (buffer.getTimeStamp() != Buffer.TIME_UNKNOWN) { long diff = buffer.getTimeStamp() - lastTS; lastTS = buffer.getTimeStamp(); if (diff > 0) timeStamp += diff; buffer.setTimeStamp(timeStamp); } // If this track is to be used as the master time base, // we'll need to compute the master time based on this track. if (useAsMaster) { if (buffer.getFormat() instanceof AudioFormat) { AudioFormat af = (AudioFormat) buffer.getFormat(); masterAudioLen += buffer.getLength(); long t = af.computeDuration(masterAudioLen); if (t > 0) { masterTime = t; } else { masterTime = buffer.getTimeStamp(); } } else { masterTime = buffer.getTimeStamp(); } } if (buffer.isEOM()) { tInfo.done = true; if (!ds.handleEOM(tInfo)) { // This is not the last processor to be done. // We'll need to un-set the EOM flag. buffer.setEOM(false); buffer.setDiscard(true); } } }