diff options
Diffstat (limited to 'examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/imageanalyzer/ImageAnalyzer.java')
| -rwxr-xr-x | examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/imageanalyzer/ImageAnalyzer.java | 1858 |
1 files changed, 0 insertions, 1858 deletions
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/imageanalyzer/ImageAnalyzer.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/imageanalyzer/ImageAnalyzer.java deleted file mode 100755 index 29d962c66c..0000000000 --- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/imageanalyzer/ImageAnalyzer.java +++ /dev/null @@ -1,1858 +0,0 @@ -package org.eclipse.swt.examples.imageanalyzer;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved
- */
-
-import org.eclipse.swt.*;
-import org.eclipse.swt.widgets.*;
-import org.eclipse.swt.events.*;
-import org.eclipse.swt.layout.*;
-import org.eclipse.swt.graphics.*;
-import java.util.*;
-import java.text.MessageFormat;
-
-public class ImageAnalyzer {
- static ResourceBundle bundle = ResourceBundle.getBundle("examples_images");
-
- Display display;
- Shell shell;
- Canvas imageCanvas, paletteCanvas;
- Label typeLabel, sizeLabel, depthLabel, transparentPixelLabel,
- screenSizeLabel, backgroundPixelLabel, locationLabel,
- disposalMethodLabel, delayTimeLabel, repeatCountLabel,
- paletteLabel, dataLabel, statusLabel;
- Combo backgroundCombo, scaleXCombo, scaleYCombo, alphaCombo;
- Button incrementalCheck, transparentCheck, maskCheck, backgroundCheck;
- Button previousButton, nextButton, animateButton;
- Text dataText;
- Sash sash;
- Color whiteColor, blackColor, redColor, greenColor, blueColor, canvasBackground;
- Font fixedWidthFont;
- Cursor crossCursor;
- GC imageCanvasGC;
-
- int paletteWidth = 140; // recalculated and used as a width hint
- int ix = 0, iy = 0, py = 0; // used to scroll the image and palette
- float xscale = 1, yscale = 1; // used to scale the image
- int alpha = 255; // used to modify the alpha value of the image
- boolean incremental = false; // used to incrementally display an image
- boolean transparent = true; // used to display an image with transparency
- boolean showMask = false; // used to display an icon mask or transparent image mask
- boolean showBackground = false; // used to display the background of an animated image
- boolean animate = false; // used to animate a multi-image file
- Thread animateThread; // draws animated images
- Thread incrementalThread; // draws incremental images
- String lastPath; // used to seed the file dialog
- String fileName; // the current image file
- ImageLoader loader; // the loader for the current image file
- ImageData[] imageDataArray; // all image data read from the current file
- int imageDataIndex; // the index of the current image data
- ImageData imageData; // the currently-displayed image data
- Image image; // the currently-displayed image
- Vector incrementalEvents; // incremental image events
-
- static final int ALPHA_CONSTANT = 0;
- static final int ALPHA_X = 1;
- static final int ALPHA_Y = 2;
-
- public static void main(String [] args) {
- ImageAnalyzer imageAnalyzer = new ImageAnalyzer();
- imageAnalyzer.open();
- }
-
- void open() {
- // Create a window and set its title.
- shell = new Shell();
- shell.setText(bundle.getString("Image_analyzer"));
-
- // Hook resize and dispose listeners.
- shell.addControlListener(new ControlAdapter() {
- public void controlResized(ControlEvent event) {
- resizeShell(event);
- }
- });
- shell.addShellListener(new ShellAdapter() {
- public void shellClosed(ShellEvent event) {
- if (animate && animateThread != null) {
- // Stop the animation and wait for the
- // thread to die before disposing the shell.
- animate = false;
- while (animateThread.isAlive()) {
- if (!display.readAndDispatch()) display.sleep();
- }
- }
- }
- });
-
- // Create colors and fonts.
- display = shell.getDisplay();
- whiteColor = new Color(display, 255, 255, 255);
- blackColor = new Color(display, 0, 0, 0);
- redColor = new Color(display, 255, 0, 0);
- greenColor = new Color(display, 0, 255, 0);
- blueColor = new Color(display, 0, 0, 255);
- fixedWidthFont = new Font(display, "courier", 10, 0);
- crossCursor = new Cursor(display, SWT.CURSOR_CROSS);
-
- // Add a menu bar and widgets.
- Menu menuBar = createMenuBar();
- createWidgets();
- shell.pack();
-
- // Create a GC for drawing.
- imageCanvasGC = new GC(imageCanvas);
-
- // Open the window, and run an event loop until the window is closed.
- shell.open();
- while (!shell.isDisposed())
- if (!display.readAndDispatch()) display.sleep();
-
- // Clean up.
- if (image != null)
- image.dispose();
- whiteColor.dispose();
- blackColor.dispose();
- redColor.dispose();
- greenColor.dispose();
- blueColor.dispose();
- fixedWidthFont.dispose();
- crossCursor.dispose();
- imageCanvasGC.dispose();
- }
-
- void createWidgets() {
- // Add the widgets to the shell in a grid layout.
- GridLayout layout = new GridLayout();
- layout.marginHeight = 0;
- layout.numColumns = 2;
- shell.setLayout(layout);
-
- // Separate the menu bar from the rest of the widgets.
- Label separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
- GridData gridData = new GridData();
- gridData.horizontalSpan = 2;
- gridData.horizontalAlignment = GridData.FILL;
- separator.setLayoutData(gridData);
-
- // Add a composite to contain some control widgets across the top.
- Composite controls = new Composite(shell, SWT.NULL);
- RowLayout rowLayout = new RowLayout();
- rowLayout.marginTop = 0;
- rowLayout.marginBottom = 5;
- rowLayout.spacing = 8;
- controls.setLayout(rowLayout);
- gridData = new GridData();
- gridData.horizontalSpan = 2;
- controls.setLayoutData(gridData);
-
- // Combo to change the background.
- Group group = new Group(controls, SWT.NULL);
- group.setLayout(new RowLayout());
- group.setText(bundle.getString("Background"));
- backgroundCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
- backgroundCombo.setItems(new String[] {
- bundle.getString("None"),
- bundle.getString("White"),
- bundle.getString("Black"),
- bundle.getString("Red"),
- bundle.getString("Green"),
- bundle.getString("Blue")});
- backgroundCombo.select(backgroundCombo.indexOf(bundle.getString("White")));
- backgroundCombo.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- changeBackground();
- }
- });
-
-
- // Combo to change the x scale.
- String[] values = {
- "0.1", "0.2", "0.3", "0.4", "0.5", "0.6", "0.7", "0.8", "0.9", "1",
- "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "1.9", "2",
- "3", "4", "5", "6", "7", "8", "9", "10",};
- group = new Group(controls, SWT.NULL);
- group.setLayout(new RowLayout());
- group.setText(bundle.getString("X_scale"));
- scaleXCombo = new Combo(group, SWT.DROP_DOWN);
- for (int i = 0; i < values.length; i++) {
- scaleXCombo.add(values[i]);
- }
- scaleXCombo.select(scaleXCombo.indexOf("1"));
- scaleXCombo.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- scaleX();
- }
- });
-
- // Combo to change the y scale.
- group = new Group(controls, SWT.NULL);
- group.setLayout(new RowLayout());
- group.setText(bundle.getString("Y_scale"));
- scaleYCombo = new Combo(group, SWT.DROP_DOWN);
- for (int i = 0; i < values.length; i++) {
- scaleYCombo.add(values[i]);
- }
- scaleYCombo.select(scaleYCombo.indexOf("1"));
- scaleYCombo.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- scaleY();
- }
- });
-
- // Combo to change the alpha value.
- group = new Group(controls, SWT.NULL);
- group.setLayout(new RowLayout());
- group.setText(bundle.getString("Alpha_K"));
- alphaCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
- for (int i = 0; i <= 255; i += 5) {
- alphaCombo.add(String.valueOf(i));
- }
- alphaCombo.select(alphaCombo.indexOf("255"));
- alphaCombo.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- alpha();
- }
- });
-
- // Check box to request incremental display.
- group = new Group(controls, SWT.NULL);
- group.setLayout(new RowLayout());
- group.setText(bundle.getString("Display"));
- incrementalCheck = new Button(group, SWT.CHECK);
- incrementalCheck.setText(bundle.getString("Incremental"));
- incrementalCheck.setSelection(incremental);
- incrementalCheck.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- incremental = ((Button)event.widget).getSelection();
- }
- });
-
- // Check box to request transparent display.
- transparentCheck = new Button(group, SWT.CHECK);
- transparentCheck.setText(bundle.getString("Transparent"));
- transparentCheck.setSelection(transparent);
- transparentCheck.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- transparent = ((Button)event.widget).getSelection();
- if (image != null) {
- imageCanvas.redraw();
- }
- }
- });
-
- // Check box to request mask display.
- maskCheck = new Button(group, SWT.CHECK);
- maskCheck.setText(bundle.getString("Mask"));
- maskCheck.setSelection(showMask);
- maskCheck.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- showMask = ((Button)event.widget).getSelection();
- if (image != null) {
- imageCanvas.redraw();
- }
- }
- });
-
- // Check box to request background display.
- backgroundCheck = new Button(group, SWT.CHECK);
- backgroundCheck.setText(bundle.getString("Background"));
- backgroundCheck.setSelection(showBackground);
- backgroundCheck.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- showBackground = ((Button)event.widget).getSelection();
- }
- });
-
- // Group the animation buttons.
- group = new Group(controls, SWT.NULL);
- group.setLayout(new RowLayout());
- group.setText(bundle.getString("Animation"));
-
- // Push button to display the previous image in a multi-image file.
- previousButton = new Button(group, SWT.PUSH);
- previousButton.setText(bundle.getString("Previous"));
- previousButton.setEnabled(false);
- previousButton.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- previous();
- }
- });
-
- // Push button to display the next image in a multi-image file.
- nextButton = new Button(group, SWT.PUSH);
- nextButton.setText(bundle.getString("Next"));
- nextButton.setEnabled(false);
- nextButton.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- next();
- }
- });
-
- // Push button to toggle animation of a multi-image file.
- animateButton = new Button(group, SWT.PUSH);
- animateButton.setText(bundle.getString("Animate"));
- animateButton.setEnabled(false);
- animateButton.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- animate();
- }
- });
-
- // Separate the control widgets from the rest of the widgets.
-// Label separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
-// gridData = new GridData();
-// gridData.horizontalSpan = 2;
-// gridData.horizontalAlignment = GridData.FILL;
-// separator.setLayoutData(gridData);
-
- // Label to show the image file type.
- typeLabel = new Label(shell, SWT.NULL);
- typeLabel.setText(bundle.getString("Type_initial"));
- typeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Canvas to show the image.
- imageCanvas = new Canvas(shell, SWT.V_SCROLL | SWT.H_SCROLL | SWT.NO_REDRAW_RESIZE);
- imageCanvas.setBackground(whiteColor);
- imageCanvas.setCursor(crossCursor);
- gridData = new GridData();
- gridData.verticalSpan = 14;
- gridData.horizontalAlignment = GridData.FILL;
- gridData.verticalAlignment = GridData.FILL;
- gridData.grabExcessHorizontalSpace = true;
- gridData.grabExcessVerticalSpace = true;
- imageCanvas.setLayoutData(gridData);
- imageCanvas.addPaintListener(new PaintListener() {
- public void paintControl(PaintEvent event) {
- if (image != null)
- paintImage(event);
- }
- });
- imageCanvas.addMouseMoveListener(new MouseMoveListener() {
- public void mouseMove(MouseEvent event) {
- if (image != null) {
- showColorAt(event.x, event.y);
- }
- }
- });
-
- // Set up the image canvas scroll bars.
- ScrollBar horizontal = imageCanvas.getHorizontalBar();
- horizontal.setVisible(true);
- horizontal.setMinimum(0);
- horizontal.setEnabled(false);
- horizontal.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- scrollHorizontally((ScrollBar)event.widget);
- }
- });
- ScrollBar vertical = imageCanvas.getVerticalBar();
- vertical.setVisible(true);
- vertical.setMinimum(0);
- vertical.setEnabled(false);
- vertical.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- scrollVertically((ScrollBar)event.widget);
- }
- });
-
- // Label to show the image size.
- sizeLabel = new Label(shell, SWT.NULL);
- sizeLabel.setText(bundle.getString("Size_initial"));
- sizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show the image depth.
- depthLabel = new Label(shell, SWT.NULL);
- depthLabel.setText(bundle.getString("Depth_initial"));
- depthLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show the transparent pixel.
- transparentPixelLabel = new Label(shell, SWT.NULL);
- transparentPixelLabel.setText(bundle.getString("Transparent_pixel_initial"));
- transparentPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Separate the animation fields from the rest of the fields.
- separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
- separator.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show the logical screen size for animation.
- screenSizeLabel = new Label(shell, SWT.NULL);
- screenSizeLabel.setText(bundle.getString("Animation_size_initial"));
- screenSizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show the background pixel.
- backgroundPixelLabel = new Label(shell, SWT.NULL);
- backgroundPixelLabel.setText(bundle.getString("Background_pixel_initial"));
- backgroundPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show the image location (x, y).
- locationLabel = new Label(shell, SWT.NULL);
- locationLabel.setText(bundle.getString("Image_location_initial"));
- locationLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show the image disposal method.
- disposalMethodLabel = new Label(shell, SWT.NULL);
- disposalMethodLabel.setText(bundle.getString("Disposal_initial"));
- disposalMethodLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show the image delay time.
- delayTimeLabel = new Label(shell, SWT.NULL);
- delayTimeLabel.setText(bundle.getString("Delay_initial"));
- delayTimeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show the background pixel.
- repeatCountLabel = new Label(shell, SWT.NULL);
- repeatCountLabel.setText(bundle.getString("Repeats_initial"));
- repeatCountLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Separate the animation fields from the palette.
- separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
- separator.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Label to show if the image has a direct or indexed palette.
- paletteLabel = new Label(shell, SWT.NULL);
- paletteLabel.setText(bundle.getString("Palette_initial"));
- paletteLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
-
- // Canvas to show the image's palette.
- paletteCanvas = new Canvas(shell, SWT.BORDER | SWT.V_SCROLL | SWT.NO_REDRAW_RESIZE);
- paletteCanvas.setFont(fixedWidthFont);
- paletteCanvas.getVerticalBar().setVisible(true);
- gridData = new GridData();
- gridData.horizontalAlignment = GridData.FILL;
- gridData.verticalAlignment = GridData.FILL;
- GC gc = new GC(paletteLabel);
- paletteWidth = gc.stringExtent(bundle.getString("Max_length_string")).x;
- gc.dispose();
- gridData.widthHint = paletteWidth;
- gridData.heightHint = 16 * 11; // show at least 16 colors
- paletteCanvas.setLayoutData(gridData);
- paletteCanvas.addPaintListener(new PaintListener() {
- public void paintControl(PaintEvent event) {
- if (image != null)
- paintPalette(event);
- }
- });
-
- // Set up the palette canvas scroll bar.
- vertical = paletteCanvas.getVerticalBar();
- vertical.setVisible(true);
- vertical.setMinimum(0);
- vertical.setIncrement(10);
- vertical.setEnabled(false);
- vertical.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- scrollPalette((ScrollBar)event.widget);
- }
- });
-
- // Sash to see more of image or image data.
- sash = new Sash(shell, SWT.HORIZONTAL);
- gridData = new GridData();
- gridData.horizontalSpan = 2;
- gridData.horizontalAlignment = GridData.FILL;
- sash.setLayoutData(gridData);
- sash.addSelectionListener (new SelectionAdapter () {
- public void widgetSelected (SelectionEvent event) {
- if (event.detail != SWT.DRAG) {
- ((GridData)paletteCanvas.getLayoutData()).heightHint = SWT.DEFAULT;
- Rectangle paletteCanvasBounds = paletteCanvas.getBounds();
- int minY = paletteCanvasBounds.y + 20;
- Rectangle dataLabelBounds = dataLabel.getBounds();
- int maxY = statusLabel.getBounds().y - dataLabelBounds.height - 20;
- if (event.y > minY && event.y < maxY) {
- Rectangle oldSash = sash.getBounds();
- sash.setBounds(event.x, event.y, event.width, event.height);
- int diff = event.y - oldSash.y;
- Rectangle bounds = imageCanvas.getBounds();
- imageCanvas.setBounds(bounds.x, bounds.y, bounds.width, bounds.height + diff);
- bounds = paletteCanvasBounds;
- paletteCanvas.setBounds(bounds.x, bounds.y, bounds.width, bounds.height + diff);
- bounds = dataLabelBounds;
- dataLabel.setBounds(bounds.x, bounds.y + diff, bounds.width, bounds.height);
- bounds = dataText.getBounds();
- dataText.setBounds(bounds.x, bounds.y + diff, bounds.width, bounds.height - diff);
- //shell.layout(true);
- }
- }
- }
- });
-
- // Label to show data-specific fields.
- dataLabel = new Label(shell, SWT.NULL);
- dataLabel.setText(bundle.getString("Pixel_data_initial"));
- gridData = new GridData();
- gridData.horizontalSpan = 2;
- gridData.horizontalAlignment = GridData.FILL;
- dataLabel.setLayoutData(gridData);
-
- // Text to show a dump of the data.
- dataText = new Text(shell, SWT.BORDER | SWT.MULTI | SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL);
- dataText.setFont(fixedWidthFont);
- gridData = new GridData();
- gridData.horizontalSpan = 2;
- gridData.horizontalAlignment = GridData.FILL;
- gridData.verticalAlignment = GridData.FILL;
- gridData.heightHint = 128;
- gridData.grabExcessVerticalSpace = true;
- dataText.setLayoutData(gridData);
- dataText.addMouseListener(new MouseAdapter() {
- public void mouseDown(MouseEvent event) {
- if (image != null && event.button == 1) {
- showColorForData();
- }
- }
- });
- dataText.addKeyListener(new KeyAdapter() {
- public void keyPressed(KeyEvent event) {
- if (image != null) {
- showColorForData();
- }
- }
- });
-
- // Label to show status and cursor location in image.
- statusLabel = new Label(shell, SWT.NULL);
- statusLabel.setText("");
- gridData = new GridData();
- gridData.horizontalSpan = 2;
- gridData.horizontalAlignment = GridData.FILL;
- statusLabel.setLayoutData(gridData);
- }
-
- Menu createMenuBar() {
- // Menu bar.
- Menu menuBar = new Menu(shell, SWT.BAR);
- shell.setMenuBar(menuBar);
-
- createFileMenu(menuBar);
- createAlphaMenu(menuBar);
-
- return menuBar;
- }
-
- void createFileMenu(Menu menuBar) {
- // File menu
- MenuItem item = new MenuItem(menuBar, SWT.CASCADE);
- item.setText(bundle.getString("File"));
- Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
- item.setMenu(fileMenu);
-
- // File -> Open...
- item = new MenuItem(fileMenu, SWT.NULL);
- item.setText(bundle.getString("Open"));
- item.setAccelerator(SWT.CTRL + 'O');
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- menuOpen();
- }
- });
-
- // File -> Reopen
- item = new MenuItem(fileMenu, SWT.NULL);
- item.setText(bundle.getString("Reopen"));
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- menuReopen();
- }
- });
-
- new MenuItem(fileMenu, SWT.SEPARATOR);
-
- // File -> Save
- item = new MenuItem(fileMenu, SWT.NULL);
- item.setText(bundle.getString("Save"));
- item.setAccelerator(SWT.CTRL + 'S');
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- menuSave();
- }
- });
-
- // File -> Save As...
- item = new MenuItem(fileMenu, SWT.NULL);
- item.setText(bundle.getString("Save_as"));
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- menuSaveAs();
- }
- });
-
- // File -> Save Mask As...
- item = new MenuItem(fileMenu, SWT.NULL);
- item.setText(bundle.getString("Save_mask_as"));
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- menuSaveMaskAs();
- }
- });
-
- new MenuItem(fileMenu, SWT.SEPARATOR);
-
- // File -> Exit
- item = new MenuItem(fileMenu, SWT.NULL);
- item.setText(bundle.getString("Exit"));
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- animate = false; // stop any animation in progress
- shell.close();
- }
- });
-
- }
-
- void createAlphaMenu(Menu menuBar) {
- // Alpha menu
- MenuItem item = new MenuItem(menuBar, SWT.CASCADE);
- item.setText(bundle.getString("Alpha"));
- Menu alphaMenu = new Menu(shell, SWT.DROP_DOWN);
- item.setMenu(alphaMenu);
-
- // Alpha -> K
- item = new MenuItem(alphaMenu, SWT.NULL);
- item.setText("K");
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- menuComposeAlpha(ALPHA_CONSTANT);
- }
- });
-
- // Alpha -> (K + x) % 256
- item = new MenuItem(alphaMenu, SWT.NULL);
- item.setText("(K + x) % 256");
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- menuComposeAlpha(ALPHA_X);
- }
- });
-
- // Alpha -> (K + y) % 256
- item = new MenuItem(alphaMenu, SWT.NULL);
- item.setText("(K + y) % 256");
- item.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent event) {
- menuComposeAlpha(ALPHA_Y);
- }
- });
- }
-
- void menuComposeAlpha(int alpha_op) {
- if (image == null) return;
- animate = false; // stop any animation in progress
-
- Cursor waitCursor = new Cursor(display, SWT.CURSOR_WAIT);
- shell.setCursor(waitCursor);
- imageCanvas.setCursor(waitCursor);
- try {
- if (alpha_op == ALPHA_CONSTANT) {
- imageData.alpha = alpha;
- } else {
- imageData.alpha = -1;
- switch (alpha_op) {
- case ALPHA_X:
- for (int y = 0; y < imageData.height; y++) {
- for (int x = 0; x < imageData.width; x++) {
- imageData.setAlpha(x, y, (x + alpha) % 256);
- }
- }
- break;
- case ALPHA_Y:
- for (int y = 0; y < imageData.height; y++) {
- for (int x = 0; x < imageData.width; x++) {
- imageData.setAlpha(x, y, (y + alpha) % 256);
- }
- }
- break;
- default: break;
- }
- }
- displayImage(imageData);
- } finally {
- shell.setCursor(null);
- imageCanvas.setCursor(crossCursor);
- waitCursor.dispose();
- }
- }
-
- void menuOpen() {
- animate = false; // stop any animation in progress
- resetScaleCombos();
-
- // Get the user to choose an image file.
- FileDialog fileChooser = new FileDialog(shell, SWT.OPEN);
- if (lastPath != null)
- fileChooser.setFilterPath(lastPath);
- fileChooser.setFilterExtensions(new String[] { "*.bmp; *.gif; *.ico; *.jpg; *.pcx; *.png; *.tif", "*.bmp", "*.gif", "*.ico", "*.jpg", "*.pcx", "*.png", "*.tif" });
- fileChooser.setFilterNames(new String[] { bundle.getString("All_images") + " (bmp, gif, ico, jpg, pcx, png, tif)",
- "BMP (*.bmp)", "GIF (*.gif)", "ICO (*.ico)", "JPEG (*.jpg)", "PCX (*.pcx)", "PNG (*.png)", "TIFF (*.tif)" });
- String filename = fileChooser.open();
- lastPath = fileChooser.getFilterPath();
- if (filename == null)
- return;
-
- Cursor waitCursor = new Cursor(display, SWT.CURSOR_WAIT);
- shell.setCursor(waitCursor);
- imageCanvas.setCursor(waitCursor);
- try {
- loader = new ImageLoader();
- if (incremental) {
- // Prepare to handle incremental events.
- loader.addImageLoaderListener(new ImageLoaderListener() {
- public void imageDataLoaded(ImageLoaderEvent event) {
- incrementalDataLoaded(event);
- }
- });
- incrementalThreadStart();
- }
- // Read the new image(s) from the chosen file.
- imageDataArray = loader.load(filename);
- if (imageDataArray.length > 0) {
-
- // Cache the filename.
- fileName = filename;
-
- // If there are multiple images in the file (typically GIF)
- // then enable the Previous, Next and Animate buttons.
- previousButton.setEnabled(imageDataArray.length > 1);
- nextButton.setEnabled(imageDataArray.length > 1);
- animateButton.setEnabled(imageDataArray.length > 1 && loader.logicalScreenWidth > 0 && loader.logicalScreenHeight > 0);
-
- // Display the first image in the file.
- imageDataIndex = 0;
- displayImage(imageDataArray[imageDataIndex]);
- resetScrollBars();
- }
- } catch (SWTException e) {
- showErrorDialog(bundle.getString("Loading_lc"), filename, e);
- } finally {
- shell.setCursor(null);
- imageCanvas.setCursor(crossCursor);
- waitCursor.dispose();
- }
- }
-
- /*
- * Called to start a thread that draws incremental images
- * as they are loaded.
- */
- void incrementalThreadStart() {
- incrementalEvents = new Vector();
- incrementalThread = new Thread("Incremental") {
- public void run() {
- // Draw the first ImageData increment.
- while (incrementalEvents != null) {
- // Synchronize so we don't try to remove when the vector is null.
- synchronized (ImageAnalyzer.this) {
- if (incrementalEvents != null) {
- if (incrementalEvents.size() > 0) {
- ImageLoaderEvent event = (ImageLoaderEvent) incrementalEvents.remove(0);
- if (image != null) image.dispose();
- image = new Image(null, event.imageData);
- imageData = event.imageData;
- imageCanvasGC.drawImage(
- image,
- 0,
- 0,
- imageData.width,
- imageData.height,
- imageData.x,
- imageData.y,
- imageData.width,
- imageData.height);
- } else {
- yield();
- }
- }
- }
- }
- display.wake();
- }
- };
- incrementalThread.setDaemon(true);
- incrementalThread.start();
- }
-
- /*
- * Called when incremental image data has been loaded,
- * for example, for interlaced GIF/PNG or progressive JPEG.
- */
- void incrementalDataLoaded(ImageLoaderEvent event) {
- // Synchronize so that we do not try to add while
- // the incremental drawing thread is removing.
- synchronized (this) {
- incrementalEvents.addElement(event);
- }
- }
-
- void menuSave() {
- if (image == null) return;
- animate = false; // stop any animation in progress
-
- // If the image file type is unknown, we can't 'Save',
- // so we have to use 'Save As...'.
- if (imageData.type == SWT.IMAGE_UNDEFINED) {
- menuSaveAs();
- return;
- }
-
- Cursor waitCursor = new Cursor(display, SWT.CURSOR_WAIT);
- shell.setCursor(waitCursor);
- imageCanvas.setCursor(waitCursor);
- try {
- // Save the current image to the current file.
- loader.data = new ImageData[] {imageData};
- loader.save(fileName, imageData.type);
-
- } catch (SWTException e) {
- showErrorDialog(bundle.getString("Saving_lc"), fileName, e);
- } finally {
- shell.setCursor(null);
- imageCanvas.setCursor(crossCursor);
- waitCursor.dispose();
- }
- }
-
- void menuSaveAs() {
- if (image == null) return;
- animate = false; // stop any animation in progress
-
- // Get the user to choose a file name and type to save.
- FileDialog fileChooser = new FileDialog(shell, SWT.SAVE);
- fileChooser.setFilterPath(lastPath);
- fileChooser.setFileName(fileName);
- fileChooser.setFilterExtensions(new String[] { "*.bmp", "*.gif", "*.ico", "*.jpg", "*.png" });
- fileChooser.setFilterNames(new String[] { "BMP (*.bmp)", "GIF (*.gif)", "ICO (*.ico)", "JPEG (*.jpg)", "PNG (*.png)" });
- String filename = fileChooser.open();
- lastPath = fileChooser.getFilterPath();
- if (filename == null)
- return;
-
- // Figure out what file type the user wants saved.
- // We need to rely on the file extension because FileDialog
- // does not have API for asking what filter type was selected.
- int filetype = determineFileType(filename);
- if (filetype == SWT.IMAGE_UNDEFINED) {
- MessageBox box = new MessageBox(shell, SWT.ICON_ERROR);
- box.setMessage(createMsg(bundle.getString("Unknown_extension"),
- filename.substring(filename.lastIndexOf('.') + 1)));
- box.open();
- return;
- }
-
- if (new java.io.File(filename).exists()) {
- MessageBox box = new MessageBox(shell, SWT.ICON_QUESTION | SWT.OK | SWT.CANCEL);
- box.setMessage(createMsg(bundle.getString("Overwrite"), filename));
- if (box.open() == SWT.CANCEL)
- return;
- }
-
- Cursor waitCursor = new Cursor(display, SWT.CURSOR_WAIT);
- shell.setCursor(waitCursor);
- imageCanvas.setCursor(waitCursor);
- try {
- // Save the current image to the specified file.
- loader.data = new ImageData[] {imageData};
- loader.save(filename, filetype);
-
- // Update the shell title and file type label,
- // and use the new file.
- fileName = filename;
- shell.setText(createMsg(bundle.getString("Analyzer_on"), filename));
- typeLabel.setText(createMsg(bundle.getString("Type_string"), fileTypeString(filetype)));
-
- } catch (SWTException e) {
- showErrorDialog(bundle.getString("Saving_lc"), filename, e);
- } finally {
- shell.setCursor(null);
- imageCanvas.setCursor(crossCursor);
- waitCursor.dispose();
- }
- }
-
- void menuSaveMaskAs() {
- if (image == null || !showMask) return;
- if (imageData.getTransparencyType() == SWT.TRANSPARENCY_NONE) return;
- animate = false; // stop any animation in progress
-
- // Get the user to choose a file name and type to save.
- FileDialog fileChooser = new FileDialog(shell, SWT.SAVE);
- fileChooser.setFilterPath(lastPath);
- fileChooser.setFileName(fileName);
- fileChooser.setFilterExtensions(new String[] { "*.bmp", "*.gif", "*.ico", "*.jpg", "*.png" });
- fileChooser.setFilterNames(new String[] { "BMP (*.bmp)", "GIF (*.gif)", "ICO (*.ico)", "JPEG (*.jpg)", "PNG (*.png)" });
- String filename = fileChooser.open();
- lastPath = fileChooser.getFilterPath();
- if (filename == null)
- return;
-
- // Figure out what file type the user wants saved.
- // We need to rely on the file extension because FileDialog
- // does not have API for asking what filter type was selected.
- int filetype = determineFileType(filename);
- if (filetype == SWT.IMAGE_UNDEFINED) {
- MessageBox box = new MessageBox(shell, SWT.ICON_ERROR);
- box.setMessage(createMsg(bundle.getString("Unknown_extension"),
- filename.substring(filename.lastIndexOf('.') + 1)));
- box.open();
- return;
- }
-
- if (new java.io.File(filename).exists()) {
- MessageBox box = new MessageBox(shell, SWT.ICON_QUESTION | SWT.OK | SWT.CANCEL);
- box.setMessage(createMsg(bundle.getString("Overwrite"), filename));
- if (box.open() == SWT.CANCEL)
- return;
- }
-
- Cursor waitCursor = new Cursor(display, SWT.CURSOR_WAIT);
- shell.setCursor(waitCursor);
- imageCanvas.setCursor(waitCursor);
- try {
- // Save the mask of the current image to the specified file.
- ImageData maskImageData = imageData.getTransparencyMask();
- loader.data = new ImageData[] {maskImageData};
- loader.save(filename, filetype);
-
- } catch (SWTException e) {
- showErrorDialog(bundle.getString("Saving_lc"), filename, e);
- } finally {
- shell.setCursor(null);
- imageCanvas.setCursor(crossCursor);
- waitCursor.dispose();
- }
- }
-
- void menuReopen() {
- if (fileName == null) return;
- animate = false; // stop any animation in progress
- resetScrollBars();
- resetScaleCombos();
-
- Cursor waitCursor = new Cursor(display, SWT.CURSOR_WAIT);
- shell.setCursor(waitCursor);
- imageCanvas.setCursor(waitCursor);
- try {
- loader = new ImageLoader();
- ImageData[] newImageData = loader.load(fileName);
- imageDataIndex = 0;
- displayImage(newImageData[imageDataIndex]);
-
- } catch (SWTException e) {
- showErrorDialog(bundle.getString("Reloading_lc"), fileName, e);
- } finally {
- shell.setCursor(null);
- imageCanvas.setCursor(crossCursor);
- waitCursor.dispose();
- }
- }
-
- void changeBackground() {
- String background = backgroundCombo.getText();
- if (background.equals(bundle.getString("White"))) {
- imageCanvas.setBackground(whiteColor);
- } else if (background.equals(bundle.getString("Black"))) {
- imageCanvas.setBackground(blackColor);
- } else if (background.equals(bundle.getString("Red"))) {
- imageCanvas.setBackground(redColor);
- } else if (background.equals(bundle.getString("Green"))) {
- imageCanvas.setBackground(greenColor);
- } else if (background.equals(bundle.getString("Blue"))) {
- imageCanvas.setBackground(blueColor);
- } else {
- imageCanvas.setBackground(null);
- }
- // Fill the image canvas with the background color.
- Rectangle clientArea = imageCanvas.getClientArea();
- imageCanvasGC.fillRectangle(
- clientArea.x,
- clientArea.y,
- clientArea.width,
- clientArea.height);
- if (image != null) {
- imageCanvas.redraw();
- }
- }
-
- /*
- * Called when the ScaleX combo selection changes.
- */
- void scaleX() {
- try {
- xscale = Float.parseFloat(scaleXCombo.getText());
- } catch (NumberFormatException e) {
- xscale = 1;
- scaleXCombo.select(scaleXCombo.indexOf("1"));
- }
- if (image != null) {
- resizeScrollBars();
- imageCanvas.redraw();
- }
- }
-
- /*
- * Called when the ScaleY combo selection changes.
- */
- void scaleY() {
- try {
- yscale = Float.parseFloat(scaleYCombo.getText());
- } catch (NumberFormatException e) {
- yscale = 1;
- scaleYCombo.select(scaleYCombo.indexOf("1"));
- }
- if (image != null) {
- resizeScrollBars();
- imageCanvas.redraw();
- }
- }
-
- /*
- * Called when the Alpha combo selection changes.
- */
- void alpha() {
- try {
- alpha = Integer.parseInt(alphaCombo.getText());
- } catch (NumberFormatException e) {
- alphaCombo.select(alphaCombo.indexOf("255"));
- alpha = 255;
- }
- }
-
- /*
- * Called when the mouse moves in the image canvas.
- * Show the color of the image at the point under the mouse.
- */
- void showColorAt(int mx, int my) {
- int x = mx - imageData.x - ix;
- int y = my - imageData.y - iy;
- showColorForPixel(x, y);
- }
-
- /*
- * Called when a mouse down or key press is detected
- * in the data text. Show the color of the pixel at
- * the caret position in the data text.
- */
- void showColorForData() {
- int delimiterLength = dataText.getLineDelimiter().length();
- int charactersPerLine = 6 + 3 * imageData.bytesPerLine + delimiterLength;
- int position = dataText.getCaretPosition();
- int y = position / charactersPerLine;
- if ((position - y * charactersPerLine) < 6 || ((y + 1) * charactersPerLine - position) <= delimiterLength) {
- statusLabel.setText("");
- return;
- }
- int dataPosition = position - 6 * (y + 1) - delimiterLength * y;
- int byteNumber = dataPosition / 3;
- int where = dataPosition - byteNumber * 3;
- int xByte = byteNumber % imageData.bytesPerLine;
- int x = -1;
- int depth = imageData.depth;
- if (depth == 1) { // 8 pixels per byte (can only show 3 of 8)
- if (where == 0) x = xByte * 8;
- if (where == 1) x = xByte * 8 + 3;
- if (where == 2) x = xByte * 8 + 7;
- }
- if (depth == 2) { // 4 pixels per byte (can only show 3 of 4)
- if (where == 0) x = xByte * 4;
- if (where == 1) x = xByte * 4 + 1;
- if (where == 2) x = xByte * 4 + 3;
- }
- if (depth == 4) { // 2 pixels per byte
- if (where == 0) x = xByte * 2;
- if (where == 1) x = xByte * 2;
- if (where == 2) x = xByte * 2 + 1;
- }
- if (depth == 8) { // 1 byte per pixel
- x = xByte;
- }
- if (depth == 16) { // 2 bytes per pixel
- x = xByte / 2;
- }
- if (depth == 24) { // 3 bytes per pixel
- x = xByte / 3;
- }
- if (depth == 32) { // 4 bytes per pixel
- x = xByte / 4;
- }
- if (x != -1) {
- showColorForPixel(x, y);
- } else {
- statusLabel.setText("");
- }
- }
-
- /*
- * Set the status label to show color information
- * for the specified pixel in the image.
- */
- void showColorForPixel(int x, int y) {
- if (x >= 0 && x < imageData.width && y >= 0 && y < imageData.height) {
- int pixel = imageData.getPixel(x, y);
- RGB rgb = imageData.palette.getRGB(pixel);
-
- Object[] args = {new Integer(x),
- new Integer(y),
- new Integer(pixel),
- Integer.toHexString(pixel),
- rgb};
- if(pixel == imageData.transparentPixel){
- statusLabel.setText(createMsg(bundle.getString("Color_at_trans"), args));
- } else {
- statusLabel.setText(createMsg(bundle.getString("Color_at"), args));
- }
- } else {
- statusLabel.setText("");
- }
- }
-
- /*
- * Called when the Animate button is pressed.
- */
- void animate() {
- animate = !animate;
- if (animate && image != null && imageDataArray.length > 1) {
- animateThread = new Thread(bundle.getString("Animation")) {
- public void run() {
- // Pre-animation widget setup.
- preAnimation();
-
- // Animate.
- try {
- animateLoop();
- } catch (final SWTException e) {
- display.syncExec(new Runnable() {
- public void run() {
- showErrorDialog(createMsg(bundle.getString("Creating_image"),
- new Integer(imageDataIndex+1)),
- fileName, e);
- }
- });
- }
-
- // Post animation widget reset.
- postAnimation();
- }
- };
- animateThread.setDaemon(true);
- animateThread.start();
- }
- }
-
- /*
- * Loop through all of the images in a multi-image file
- * and display them one after another.
- */
- void animateLoop() {
- // Create an off-screen image to draw on, and a GC to draw with.
- // Both are disposed after the animation.
- Image offScreenImage = new Image(null, loader.logicalScreenWidth, loader.logicalScreenHeight);
- GC offScreenImageGC = new GC(offScreenImage);
-
- try {
- // Use syncExec to get the background color of the imageCanvas.
- display.syncExec(new Runnable() {
- public void run() {
- canvasBackground = imageCanvas.getBackground();
- }
- });
-
- // Fill the off-screen image with the background color of the canvas.
- offScreenImageGC.setBackground(canvasBackground);
- offScreenImageGC.fillRectangle(
- 0,
- 0,
- loader.logicalScreenWidth,
- loader.logicalScreenHeight);
-
- // Draw the current image onto the off-screen image.
- offScreenImageGC.drawImage(
- image,
- 0,
- 0,
- imageData.width,
- imageData.height,
- imageData.x,
- imageData.y,
- imageData.width,
- imageData.height);
-
- int repeatCount = loader.repeatCount;
- while (animate && (loader.repeatCount == 0 || repeatCount > 0)) {
- if (imageData.disposalMethod == SWT.DM_FILL_BACKGROUND) {
- // Fill with the background color before drawing.
- Color bgColor = null;
- int backgroundPixel = loader.backgroundPixel;
- if (showBackground && backgroundPixel != -1) {
- // Fill with the background color.
- RGB backgroundRGB = imageData.palette.getRGB(backgroundPixel);
- bgColor = new Color(null, backgroundRGB);
- }
- try {
- offScreenImageGC.setBackground(bgColor != null ? bgColor : canvasBackground);
- offScreenImageGC.fillRectangle(
- imageData.x,
- imageData.y,
- imageData.width,
- imageData.height);
- } finally {
- if (bgColor != null) bgColor.dispose();
- }
- } else if (imageData.disposalMethod == SWT.DM_FILL_PREVIOUS) {
- // Restore the previous image before drawing.
- offScreenImageGC.drawImage(
- image,
- 0,
- 0,
- imageData.width,
- imageData.height,
- imageData.x,
- imageData.y,
- imageData.width,
- imageData.height);
- }
-
- // Get the next image data.
- imageDataIndex = (imageDataIndex + 1) % imageDataArray.length;
- imageData = imageDataArray[imageDataIndex];
- image.dispose();
- image = new Image(null, imageData);
-
- // Draw the new image data.
- offScreenImageGC.drawImage(
- image,
- 0,
- 0,
- imageData.width,
- imageData.height,
- imageData.x,
- imageData.y,
- imageData.width,
- imageData.height);
-
- // Draw the off-screen image to the screen.
- imageCanvasGC.drawImage(offScreenImage, 0, 0);
-
- // Sleep for the specified delay time before drawing again.
- try {
- Thread.sleep(visibleDelay(imageData.delayTime * 10));
- } catch (InterruptedException e) {
- }
-
- // If we have just drawn the last image in the set,
- // then decrement the repeat count.
- if (imageDataIndex == imageDataArray.length - 1) repeatCount--;
- }
- } finally {
- offScreenImage.dispose();
- offScreenImageGC.dispose();
- }
- }
-
- /*
- * Pre animation setup.
- */
- void preAnimation() {
- display.syncExec(new Runnable() {
- public void run() {
- // Change the label of the Animate button to 'Stop'.
- animateButton.setText(bundle.getString("Stop"));
-
- // Disable anything we don't want the user
- // to select during the animation.
- previousButton.setEnabled(false);
- nextButton.setEnabled(false);
- backgroundCombo.setEnabled(false);
- scaleXCombo.setEnabled(false);
- scaleYCombo.setEnabled(false);
- alphaCombo.setEnabled(false);
- incrementalCheck.setEnabled(false);
- transparentCheck.setEnabled(false);
- maskCheck.setEnabled(false);
- // leave backgroundCheck enabled
-
- // Reset the scale combos and scrollbars.
- resetScaleCombos();
- resetScrollBars();
- }
- });
- }
-
- /*
- * Post animation reset.
- */
- void postAnimation() {
- display.syncExec(new Runnable() {
- public void run() {
- // Enable anything we disabled before the animation.
- previousButton.setEnabled(true);
- nextButton.setEnabled(true);
- backgroundCombo.setEnabled(true);
- scaleXCombo.setEnabled(true);
- scaleYCombo.setEnabled(true);
- alphaCombo.setEnabled(true);
- incrementalCheck.setEnabled(true);
- transparentCheck.setEnabled(true);
- maskCheck.setEnabled(true);
-
- // Reset the label of the Animate button.
- animateButton.setText(bundle.getString("Animate"));
-
- if (animate) {
- // If animate is still true, we finished the
- // full number of repeats. Leave the image as-is.
- animate = false;
- } else {
- // Redisplay the current image and its palette.
- displayImage(imageDataArray[imageDataIndex]);
- }
- }
- });
- }
-
- /*
- * Called when the Previous button is pressed.
- * Display the previous image in a multi-image file.
- */
- void previous() {
- if (image != null && imageDataArray.length > 1) {
- if (imageDataIndex == 0) {
- imageDataIndex = imageDataArray.length;
- }
- imageDataIndex = imageDataIndex - 1;
- displayImage(imageDataArray[imageDataIndex]);
- }
- }
-
- /*
- * Called when the Next button is pressed.
- * Display the next image in a multi-image file.
- */
- void next() {
- if (image != null && imageDataArray.length > 1) {
- imageDataIndex = (imageDataIndex + 1) % imageDataArray.length;
- displayImage(imageDataArray[imageDataIndex]);
- }
- }
-
- void displayImage(ImageData newImageData) {
- if (incremental && incrementalThread != null) {
- // Tell the incremental thread to stop drawing.
- synchronized (this) {
- incrementalEvents = null;
- }
-
- // Wait until the incremental thread is done.
- while (incrementalThread.isAlive()) {
- if (!display.readAndDispatch()) display.sleep();
- }
- }
-
- // Dispose of the old image, if there was one.
- if (image != null) image.dispose();
-
- try {
- // Cache the new image and imageData.
- image = new Image(null, newImageData);
- imageData = newImageData;
-
- } catch (SWTException e) {
- showErrorDialog(bundle.getString("Creating_from") + " ", fileName, e);
- image = null;
- return;
- }
-
- // Update the widgets with the new image info.
- String string = createMsg(bundle.getString("Analyzer_on"), fileName);
- shell.setText(string);
-
- if(imageDataArray.length > 1){
- string = createMsg(bundle.getString("Type_index"),
- new Object[] {fileTypeString(imageData.type),
- new Integer(imageDataIndex + 1),
- new Integer(imageDataArray.length)});
- } else {
- string = createMsg(bundle.getString("Type_string"), fileTypeString(imageData.type));
- }
- typeLabel.setText(string);
-
- string = createMsg(bundle.getString("Size_value"),
- new Object[] {new Integer(imageData.width),
- new Integer(imageData.height)});
- sizeLabel.setText(string);
-
- string = createMsg(bundle.getString("Depth_value"), new Integer(imageData.depth));
- depthLabel.setText(string);
-
- string = createMsg(bundle.getString("Transparent_pixel_value"), pixelInfo(imageData.transparentPixel));
- transparentPixelLabel.setText(string);
-
- string = createMsg(bundle.getString("Animation_size_value"),
- new Object[] {new Integer(loader.logicalScreenWidth),
- new Integer(loader.logicalScreenHeight)});
- screenSizeLabel.setText(string);
-
- string = createMsg(bundle.getString("Background_pixel_value"), pixelInfo(loader.backgroundPixel));
- backgroundPixelLabel.setText(string);
-
- string = createMsg(bundle.getString("Image_location_value"),
- new Object[] {new Integer(imageData.x), new Integer(imageData.y)});
- locationLabel.setText(string);
-
- string = createMsg(bundle.getString("Disposal_value"),
- new Object[] {new Integer(imageData.disposalMethod),
- disposalString(imageData.disposalMethod)});
- disposalMethodLabel.setText(string);
-
- int delay = imageData.delayTime * 10;
- int delayUsed = visibleDelay(delay);
- if(delay != delayUsed){
- string = createMsg(bundle.getString("Delay_value"),
- new Object[] {new Integer(delay), new Integer(delayUsed)});
- } else {
- string = createMsg(bundle.getString("Delay_used"), new Integer(delay));
- }
- delayTimeLabel.setText(string);
-
- if(loader.repeatCount == 0){
- string = createMsg( bundle.getString("Repeats_forever"), new Integer(loader.repeatCount));
- } else {
- string = createMsg(bundle.getString("Repeats_value"), new Integer(loader.repeatCount));
- }
- repeatCountLabel.setText(string);
-
- if(imageData.palette.isDirect){
- string = bundle.getString("Palette_direct");
- } else {
- string = createMsg(bundle.getString("Palette_value"), new Integer(imageData.palette.getRGBs().length));
- }
- paletteLabel.setText(string);
-
- string = createMsg(bundle.getString("Pixel_data_value"),
- new Object[] {new Integer(imageData.bytesPerLine),
- new Integer(imageData.scanlinePad),
- depthInfo(imageData.depth)});
- dataLabel.setText(string);
-
- dataText.setText(dataHexDump(dataText.getLineDelimiter()));
- statusLabel.setText("");
-
- // Redraw both canvases.
- paletteCanvas.redraw();
- imageCanvas.redraw();
- }
-
- void paintImage(PaintEvent event) {
- Image paintImage = image;
- int transparentPixel = imageData.transparentPixel;
- if (transparentPixel != -1 && !transparent) {
- imageData.transparentPixel = -1;
- paintImage = new Image(display, imageData);
- }
- int w = Math.round(imageData.width * xscale);
- int h = Math.round(imageData.height * yscale);
- event.gc.drawImage(
- paintImage,
- 0,
- 0,
- imageData.width,
- imageData.height,
- ix + imageData.x,
- iy + imageData.y,
- w,
- h);
- if (showMask && (imageData.getTransparencyType() != SWT.TRANSPARENCY_NONE)) {
- ImageData maskImageData = imageData.getTransparencyMask();
- Image maskImage = new Image(display, maskImageData);
- event.gc.drawImage(
- maskImage,
- 0,
- 0,
- imageData.width,
- imageData.height,
- w + 10 + ix + imageData.x,
- iy + imageData.y,
- w,
- h);
- maskImage.dispose();
- }
- if (transparentPixel != -1 && !transparent) {
- imageData.transparentPixel = transparentPixel;
- paintImage.dispose();
- }
- }
-
- void paintPalette(PaintEvent event) {
- GC gc = event.gc;
- gc.fillRectangle(paletteCanvas.getClientArea());
- if (imageData.palette.isDirect) {
- // For a direct palette, display the masks.
- int y = py + 10;
- int xTab = 50;
- gc.drawString("rMsk", 10, y, true);
- gc.drawString(toHex4ByteString(imageData.palette.redMask), xTab, y, true);
- gc.drawString("gMsk", 10, y+=12, true);
- gc.drawString(toHex4ByteString(imageData.palette.greenMask), xTab, y, true);
- gc.drawString("bMsk", 10, y+=12, true);
- gc.drawString(toHex4ByteString(imageData.palette.blueMask), xTab, y, true);
- gc.drawString("rShf", 10, y+=12, true);
- gc.drawString(Integer.toString(imageData.palette.redShift), xTab, y, true);
- gc.drawString("gShf", 10, y+=12, true);
- gc.drawString(Integer.toString(imageData.palette.greenShift), xTab, y, true);
- gc.drawString("bShf", 10, y+=12, true);
- gc.drawString(Integer.toString(imageData.palette.blueShift), xTab, y, true);
- } else {
- // For an indexed palette, display the palette colors and indices.
- RGB[] rgbs = imageData.palette.getRGBs();
- if (rgbs != null) {
- int xTab1 = 40, xTab2 = 100;
- for (int i = 0; i < rgbs.length; i++) {
- int y = (i+1) * 10 + py;
- gc.drawString(String.valueOf(i), 10, y, true);
- gc.drawString(toHexByteString(rgbs[i].red) + toHexByteString(rgbs[i].green) + toHexByteString(rgbs[i].blue), xTab1, y, true);
- Color color = new Color(display, rgbs[i]);
- gc.setBackground(color);
- gc.fillRectangle(xTab2, y+2, 10, 10);
- color.dispose();
- }
- }
- }
- }
-
- void resizeShell(ControlEvent event) {
- if (image == null || shell.isDisposed())
- return;
- resizeScrollBars();
- }
-
- // Reset the scale combos to 1.
- void resetScaleCombos() {
- xscale = 1; yscale = 1;
- scaleXCombo.select(scaleXCombo.indexOf("1"));
- scaleYCombo.select(scaleYCombo.indexOf("1"));
- }
-
- // Reset the scroll bars to 0.
- void resetScrollBars() {
- if (image == null) return;
- ix = 0; iy = 0; py = 0;
- resizeScrollBars();
- imageCanvas.getHorizontalBar().setSelection(0);
- imageCanvas.getVerticalBar().setSelection(0);
- paletteCanvas.getVerticalBar().setSelection(0);
- }
-
- void resizeScrollBars() {
- // Set the max and thumb for the image canvas scroll bars.
- ScrollBar horizontal = imageCanvas.getHorizontalBar();
- ScrollBar vertical = imageCanvas.getVerticalBar();
- Rectangle canvasBounds = imageCanvas.getClientArea();
- int width = Math.round(imageData.width * xscale);
- if (width > canvasBounds.width) {
- // The image is wider than the canvas.
- horizontal.setEnabled(true);
- horizontal.setMaximum(width);
- horizontal.setThumb(canvasBounds.width);
- horizontal.setPageIncrement(canvasBounds.width);
- } else {
- // The canvas is wider than the image.
- horizontal.setEnabled(false);
- if (ix != 0) {
- // Make sure the image is completely visible.
- ix = 0;
- imageCanvas.redraw();
- }
- }
- int height = Math.round(imageData.height * yscale);
- if (height > canvasBounds.height) {
- // The image is taller than the canvas.
- vertical.setEnabled(true);
- vertical.setMaximum(height);
- vertical.setThumb(canvasBounds.height);
- vertical.setPageIncrement(canvasBounds.height);
- } else {
- // The canvas is taller than the image.
- vertical.setEnabled(false);
- if (iy != 0) {
- // Make sure the image is completely visible.
- iy = 0;
- imageCanvas.redraw();
- }
- }
-
- // Set the max and thumb for the palette canvas scroll bar.
- vertical = paletteCanvas.getVerticalBar();
- if (imageData.palette.isDirect) {
- vertical.setEnabled(false);
- } else { // indexed palette
- canvasBounds = paletteCanvas.getClientArea();
- int paletteHeight = imageData.palette.getRGBs().length * 10 + 20; // 10 pixels each index + 20 for margins.
- vertical.setEnabled(true);
- vertical.setMaximum(paletteHeight);
- vertical.setThumb(canvasBounds.height);
- vertical.setPageIncrement(canvasBounds.height);
- }
- }
-
- /*
- * Called when the image canvas' horizontal scrollbar is selected.
- */
- void scrollHorizontally(ScrollBar scrollBar) {
- if (image == null) return;
- Rectangle canvasBounds = imageCanvas.getClientArea();
- int width = Math.round(imageData.width * xscale);
- int height = Math.round(imageData.height * yscale);
- if (width > canvasBounds.width) {
- // Only scroll if the image is bigger than the canvas.
- int x = -scrollBar.getSelection();
- if (x + width < canvasBounds.width) {
- // Don't scroll past the end of the image.
- x = canvasBounds.width - width;
- }
- imageCanvas.scroll(x, iy, ix, iy, width, height, false);
- ix = x;
- }
- }
-
- /*
- * Called when the image canvas' vertical scrollbar is selected.
- */
- void scrollVertically(ScrollBar scrollBar) {
- if (image == null) return;
- Rectangle canvasBounds = imageCanvas.getClientArea();
- int width = Math.round(imageData.width * xscale);
- int height = Math.round(imageData.height * yscale);
- if (height > canvasBounds.height) {
- // Only scroll if the image is bigger than the canvas.
- int y = -scrollBar.getSelection();
- if (y + height < canvasBounds.height) {
- // Don't scroll past the end of the image.
- y = canvasBounds.height - height;
- }
- imageCanvas.scroll(ix, y, ix, iy, width, height, false);
- iy = y;
- }
- }
-
- /*
- * Called when the palette canvas' vertical scrollbar is selected.
- */
- void scrollPalette(ScrollBar scrollBar) {
- if (image == null) return;
- Rectangle canvasBounds = paletteCanvas.getClientArea();
- int paletteHeight = imageData.palette.getRGBs().length * 10 + 20;
- if (paletteHeight > canvasBounds.height) {
- // Only scroll if the palette is bigger than the canvas.
- int y = -scrollBar.getSelection();
- if (y + paletteHeight < canvasBounds.height) {
- // Don't scroll past the end of the palette.
- y = canvasBounds.height - paletteHeight;
- }
- paletteCanvas.scroll(0, y, 0, py, paletteWidth, paletteHeight, false);
- py = y;
- }
- }
-
- /*
- * Return a String containing a line-by-line dump of
- * the data in the current imageData. The lineDelimiter
- * parameter must be a string of length 1 or 2.
- */
- String dataHexDump(String lineDelimiter) {
- if (image == null) return "";
- char[] dump = new char[imageData.height * (6 + 3 * imageData.bytesPerLine + lineDelimiter.length())];
- int index = 0;
- for (int i = 0; i < imageData.data.length; i++) {
- if (i % imageData.bytesPerLine == 0) {
- int line = i / imageData.bytesPerLine;
- dump[index++] = Character.forDigit(line / 1000 % 10, 10);
- dump[index++] = Character.forDigit(line / 100 % 10, 10);
- dump[index++] = Character.forDigit(line / 10 % 10, 10);
- dump[index++] = Character.forDigit(line % 10, 10);
- dump[index++] = ':';
- dump[index++] = ' ';
- }
- byte b = imageData.data[i];
- dump[index++] = Character.forDigit((b & 0xF0) >> 4, 16);
- dump[index++] = Character.forDigit(b & 0x0F, 16);
- dump[index++] = ' ';
- if ((i + 1) % imageData.bytesPerLine == 0) {
- dump[index++] = lineDelimiter.charAt(0);
- if (lineDelimiter.length() > 1)
- dump[index++] = lineDelimiter.charAt(1);
- }
- }
- return new String(dump);
- }
-
- /*
- * Open an error dialog displaying the specified information.
- */
- void showErrorDialog(String operation, String filename, SWTException e) {
- MessageBox box = new MessageBox(shell, SWT.ICON_ERROR);
- String message = createMsg(bundle.getString("Error"), new String[] {operation, filename});
-
- String errorMessage = e.getMessage();
- if (e.throwable != null) {
- errorMessage += ":\n" + e.throwable.toString();
- }
- box.setMessage(message + errorMessage);
- box.open();
- }
-
- /*
- * Return a String describing how to analyze the bytes
- * in the hex dump.
- */
- static String depthInfo(int depth) {
- Object[] args = {new Integer(depth), ""};
-
- switch(depth){
- case 1:
- args[1] = createMsg(bundle.getString("Multi_pixels"),
- new Object[] {new Integer(8), " [01234567]"});
- break;
- case 2:
- args[1] = createMsg(bundle.getString("Multi_pixels"),
- new Object[] {new Integer(4), "[00112233]"});
- break;
- case 4:
- args[1] = createMsg(bundle.getString("Multi_pixels"),
- new Object[] {new Integer(2), "[00001111]"});
- break;
- case 8:
- args[1] = bundle.getString("One_byte");
- break;
- case 16:
- args[1] = createMsg(bundle.getString("Multi_bytes"), new Integer(2));
- break;
- case 24:
- args[1] = createMsg(bundle.getString("Multi_bytes"), new Integer(3));
- break;
- case 32:
- args[1] = createMsg(bundle.getString("Multi_bytes"), new Integer(4));
- break;
- default:
- args[1] = bundle.getString("Unsupported_lc");
- }
- return createMsg(bundle.getString("Depth_info"), args);
- }
-
- /*
- * Return the specified number of milliseconds.
- * If the specified number of milliseconds is too small
- * to see a visual change, then return a higher number.
- */
- static int visibleDelay(int ms) {
- if (ms < 20) return ms + 30;
- if (ms < 30) return ms + 10;
- return ms;
- }
-
-
- /*
- * Return the specified byte value as a hex string,
- * preserving leading 0's.
- */
- static String toHexByteString(int i) {
- if (i <= 0x0f)
- return "0" + Integer.toHexString(i);
- return Integer.toHexString(i & 0xff);
- }
-
- /*
- * Return the specified 4-byte value as a hex string,
- * preserving leading 0's.
- * (a bit 'brute force'... should probably use a loop...)
- */
- static String toHex4ByteString(int i) {
- String hex = Integer.toHexString(i);
- if (hex.length() == 1)
- return "0000000" + hex;
- if (hex.length() == 2)
- return "000000" + hex;
- if (hex.length() == 3)
- return "00000" + hex;
- if (hex.length() == 4)
- return "0000" + hex;
- if (hex.length() == 5)
- return "000" + hex;
- if (hex.length() == 6)
- return "00" + hex;
- if (hex.length() == 7)
- return "0" + hex;
- return hex;
- }
-
- /*
- * Return a String describing the specified
- * transparent or background pixel.
- */
- static String pixelInfo(int pixel) {
- if (pixel == -1)
- return pixel + " (" + bundle.getString("None_lc") + ")";
- else
- return pixel + " (0x" + Integer.toHexString(pixel) + ")";
- }
-
- /*
- * Return a String describing the specified disposal method.
- */
- static String disposalString(int disposalMethod) {
- switch (disposalMethod) {
- case SWT.DM_FILL_NONE: return bundle.getString("None_lc");
- case SWT.DM_FILL_BACKGROUND: return bundle.getString("Background_lc");
- case SWT.DM_FILL_PREVIOUS: return bundle.getString("Previous_lc");
- }
- return bundle.getString("Unspecified_lc");
- }
-
- /*
- * Return a String describing the specified image file type.
- */
- static String fileTypeString(int filetype) {
- if (filetype == SWT.IMAGE_BMP)
- return "BMP";
- if (filetype == SWT.IMAGE_GIF)
- return "GIF";
- if (filetype == SWT.IMAGE_ICO)
- return "ICO";
- if (filetype == SWT.IMAGE_JPEG)
- return "JPEG";
- if (filetype == SWT.IMAGE_PNG)
- return "PNG";
- return bundle.getString("Unknown_ac");
- }
-
- /*
- * Return the specified file's image type, based on its extension.
- * Note that this is not a very robust way to determine image type,
- * and it is only to be used in the absence of any better method.
- */
- static int determineFileType(String filename) {
- String ext = filename.substring(filename.lastIndexOf('.') + 1);
- if (ext.equalsIgnoreCase("bmp"))
- return SWT.IMAGE_BMP;
- if (ext.equalsIgnoreCase("gif"))
- return SWT.IMAGE_GIF;
- if (ext.equalsIgnoreCase("ico"))
- return SWT.IMAGE_ICO;
- if (ext.equalsIgnoreCase("jpg") || ext.equalsIgnoreCase("jpeg"))
- return SWT.IMAGE_JPEG;
- if (ext.equalsIgnoreCase("png"))
- return SWT.IMAGE_PNG;
- return SWT.IMAGE_UNDEFINED;
- }
-
- static String createMsg(String msg, Object[] args){
- MessageFormat formatter = new MessageFormat(msg);
- return formatter.format(args);
- }
- static String createMsg(String msg, Object arg){
- MessageFormat formatter = new MessageFormat(msg);
- return formatter.format(new Object[]{arg});
- }
-
-}
-
-
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