private static void save_image(Color[][] imagePixels, String image_filename) { int width = imagePixels.length; int height = imagePixels[0].length; BufferedImage outputImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); for (int x = 0; x < width; x++) for (int y = 0; y < height; y++) outputImage.setRGB(x, y, imagePixels[x][y].getRGB()); try { ImageIO.write(outputImage, "png", new File(image_filename)); } catch (java.io.IOException e) { ErrorExit("Unable to write %s: %s\n", image_filename, e.getMessage()); } System.err.printf("Wrote a %d by %d image\n", width, height); }
private static Color[][] load_image(String image_filename) { BufferedImage inputImage = null; try { System.err.printf("Reading image from %s\n", image_filename); inputImage = ImageIO.read(new File(image_filename)); } catch (java.io.IOException e) { ErrorExit("Unable to open %s: %s\n", image_filename, e.getMessage()); } int width = inputImage.getWidth(); int height = inputImage.getHeight(); Color[][] imagePixels = new Color[width][height]; for (int x = 0; x < width; x++) for (int y = 0; y < height; y++) imagePixels[x][y] = new Color(inputImage.getRGB(x, y)); System.err.printf("Read a %d by %d image\n", width, height); return imagePixels; }
/** * Parses the files passed into the <CODE>setTemplateFiles</CODE> method. The data extracted from * the template files is returned. */ public void parse() { setMessage("Parsing Files"); templates.clear(); importedFieldCount = 0; importedMacroCount = 0; File[] templateFiles = getTemplateFiles(); resetParseCanceled(); int totalFileSize = 0; for (int i = 0; i < templateFiles.length; i++) if (templateFiles[i].exists()) totalFileSize += (int) templateFiles[i].length(); setProgressMaximum(totalFileSize); int progress = 0; setProgressValue(0); setProgressIndeterminate(false); for (int i = 0; i < templateFiles.length; i++) { String currentFilePath = templateFiles[i].getAbsolutePath(); Timestamp modifiedDate = new Timestamp(templateFiles[i].lastModified()); Template currentTemplate = new Template(currentFilePath, modifiedDate); String[] nameParts = templateFiles[i].getName().split("\\."); if (nameParts != null && nameParts.length > 0) currentTemplate.setID(nameParts[0]); templates.add(currentTemplate); try { BufferedReader iStream = new BufferedReader(new FileReader(templateFiles[i])); try { String currentLine = iStream.readLine(); Signal currentSignal = null, archiveTag = null; ArchiveRequest request = null; ArchiveGroup group = null; HashMap archiveSignals = new HashMap(); int lineNumber = 0; int braceCount = 0; while (currentLine != null) // null indicates EOF { lineNumber++; if (currentLine.trim().startsWith("#")) // Comments start with # { // Comments start with #. Archive information is embedded in comments. ArchiveGroup newGroup = parseArchiveGroupTag(currentLine, currentTemplate); if (newGroup != null) group = newGroup; else { ArchiveRequest newRequest = parseArchiveRequestTag(currentLine, group, currentTemplate); if (newRequest != null) request = newRequest; else { Signal newArchiveTag = parseArchiveTag(currentLine); if (newArchiveTag != null) { if (archiveTag != null) // Tag was not used in request. Use for defaults. archiveSignals.put(archiveTag.getID(), archiveTag); archiveTag = newArchiveTag; } } } } else { Matcher macroMatcher = macroPattern.matcher(currentLine); if (macroMatcher.find()) { String macro = macroMatcher.group(1); if (!currentTemplate.containsMacro(macro)) { importedMacroCount++; currentTemplate.addMacro(macro); } } int linePosition = 0; int lineLength = currentLine.length(); while (linePosition < lineLength) { int openBracePosition = currentLine.indexOf('{', linePosition); int closeBracePosition = currentLine.indexOf('}', linePosition); if (currentSignal == null || braceCount == 0) { // Got no signal or the brace was never opened... Matcher recordMatcher = recordPattern.matcher(currentLine); if (recordMatcher.find(linePosition)) if (openBracePosition < 0 || recordMatcher.start() < openBracePosition) { linePosition = recordMatcher.end(); SignalType currentSignalType = new SignalType(); String recordType = recordMatcher.group(1); currentSignalType.setRecordType(new EpicsRecordType(recordType)); String signalID = recordMatcher.group(2); currentSignal = new Signal(signalID); currentSignal.setType(currentSignalType); if (archiveTag != null) archiveSignals.put(archiveTag.getID(), archiveTag); // Use as defaults. archiveTag = (Signal) archiveSignals.get(signalID); if (archiveTag != null) { currentSignal.setArchiveIndicator("Y"); currentSignal.setArchiveType(archiveTag.getArchiveType()); currentSignal.setArchiveFrequency(archiveTag.getArchiveFrequency()); // Must use a new instance of signal since each request has different // values for type, frequency, etc. if (request != null && request.getSignal(signalID) == null) request.addSignal(new Signal(signalID)); currentSignal.setArchiveIndicator("Y"); currentSignal.setArchiveType(archiveTag.getArchiveType()); currentSignal.setArchiveFrequency(archiveTag.getArchiveFrequency()); } currentTemplate.addSignal(currentSignal); archiveTag = null; // Reset so is not used twice. continue; // Go back and check the line position against length. } } if (braceCount == 0 && currentSignal != null && openBracePosition >= linePosition) { // Got the signal, need the open brace. linePosition = openBracePosition + 1; braceCount++; continue; // Go back and check the line position against length. } if (braceCount > 0) { // Looking for fields or the close brace. Matcher fieldMatcher = fieldPattern.matcher(currentLine); if (fieldMatcher.find(linePosition)) if (closeBracePosition < 0 || fieldMatcher.start() < closeBracePosition) { // Found a field... linePosition = fieldMatcher.end(); SignalField currentField = new SignalField(); String currentFieldID = fieldMatcher.group(1); currentField.setType(new SignalFieldType(currentFieldID)); currentField.setValue(fieldMatcher.group(2)); currentSignal.addField(currentField); importedFieldCount++; continue; } if (closeBracePosition >= 0) { // Found end of current signal. braceCount--; linePosition = closeBracePosition + 1; currentSignal = null; continue; } } linePosition = lineLength; if (isParseCanceled()) break; } } progress += currentLine.length() + 1; setProgressValue(progress); currentLine = iStream.readLine(); if (isParseCanceled()) break; } } finally { iStream.close(); } } catch (java.io.FileNotFoundException ex) { StringBuffer errorMessage = new StringBuffer("<HTML><FONT COLOR=RED>Unable to open file '"); errorMessage.append(templateFiles[i].getAbsoluteFile()); errorMessage.append("'.</FONT></HTML>"); addMessage(errorMessage.toString()); } catch (java.io.IOException ex) { ex.printStackTrace(); StringBuffer errorMessage = new StringBuffer("<HTML><FONT COLOR=RED>IO Error: "); errorMessage.append(ex.getMessage()); errorMessage.append("</FONT></HTML>"); addMessage(errorMessage.toString()); } if (isParseCanceled()) break; } }