Examples with Image org.eclipse.swt.graphics.Image used on opensource projects

Example 1 with Image

use of org.eclipse.swt.graphics.Image in project cogtool by cogtool.

the class WebCrawlImportDialog method makeToolBarButton.

public ToolBar makeToolBarButton(Composite comp, SelectionListener listener, questionImages question) {
    ToolBar toolBar = new ToolBar(comp, SWT.FLAT);
    ToolItem item = new ToolItem(toolBar, SWT.NONE);
    Image image = null;
    if (question == questionImages.PLUS_IMAGE) {
        image = OSUtils.MACOSX ? imagePlusMac : imagePlus;
    } else if (question == questionImages.MINUS_IMAGE) {
        image = OSUtils.MACOSX ? imageMinusMac : imageMinus;
    } else if (question == questionImages.QUESTION_IMAGE) {
        image = OSUtils.MACOSX ? questionImageMac : questionImage;
    } else if (question == questionImages.QUESTION_SHADOW) {
        image = OSUtils.MACOSX ? questionImageMacShadow : questionImage;
    }
    item.setImage(image);
    item.addSelectionListener(listener);
    return toolBar;
}

Example 2 with Image

use of org.eclipse.swt.graphics.Image in project cogtool by cogtool.

the class FrameUIModel method dispose.

/**
     * Disposes of the frameUIModel
     * Disposes of the image background if any
     * Disposes of each Graphical widget
     * Disposes of all handlers used in the frame and the design.
     *
     */
public void dispose() {
    // Clear the background image
    // This should be handled by the AUIModel.imageCache
    Image img = backgroundImage.getImage();
    if (img != null) {
        // In case the ImageFigure needs to recover any internal handles
        backgroundImage.setImage(null);
        img.dispose();
    }
    // Clear the graphical widgets
    Iterator<GraphicalWidget<?>> gws = figureList.values().iterator();
    while (gws.hasNext()) {
        GraphicalWidget<?> gw = gws.next();
        gw.dispose();
    }
    // clears the contents
    contents.dispose();
    // remove any handlers used.
    frame.removeAllHandlers(this);
    frame.getDesign().removeAllHandlers(this);
    isDisposed = true;
}

Example 3 with Image

use of org.eclipse.swt.graphics.Image in project cogtool by cogtool.

the class ImportCogToolXML method parseFrame.

/**
     * Imports a frame
     * @param node
     */
private Frame parseFrame(Design design, Node node) throws IOException {
    NodeList children = node.getChildNodes();
    if (children != null) {
        String frameName = getAttributeValue(node, NAME_ATTR);
        if ((frameName == null) || frameName.equals("")) {
            failedObjectErrors.add("Cannot create a frame with an empty name.");
            return null;
        }
        // This adds the created frame to the design
        Frame frame = getFrame(design, frameName);
        addAttributes(frame, node);
        Frame.setFrameDevices(frame, design.getDeviceTypes());
        TransitionSource keyboardDevice = frame.getInputDevice(DeviceType.Keyboard);
        TransitionSource voiceDevice = frame.getInputDevice(DeviceType.Voice);
        // Some widgets have parents; so as not to require that
        // all widgets of a frame occur in a particular order, we must
        // resolve the parent names after all widgets have been parsed.
        // Maps the child widget to the name of its parent
        Map<ChildWidget, String> pendingParentSets = new LinkedHashMap<ChildWidget, String>();
        // Some attributes refer to widget names; must resolve these
        // after all widgets have been created.
        // Currently, the only such attribute that applies to widgets
        // is WidgetAttributes.SELECTION_ATTR
        // Maps the attributed object to the widget name that is
        // the value of the WidgetAttributes.SELECTION_ATTR attribute
        Map<IAttributed, String> pendingAttrSets = new HashMap<IAttributed, String>();
        // Some element groups may be referenced as members of other
        // groups before being defined; this map will hold them
        Map<String, FrameElementGroup> pendingGrps = new HashMap<String, FrameElementGroup>();
        // Some remote labels may not be defined before they're referenced
        // so keep track of those cases.  Maps the owner object to
        // the name of the remote label
        Map<FrameElement, String> pendingRemoteLabels = new HashMap<FrameElement, String>();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            String nodeName = child.getNodeName();
            if (nodeName.equalsIgnoreCase(BKG_IMAGE_PATH_ELT)) {
                String backgroundImagePath = getElementText(child);
                byte[] image = loadImage(backgroundImagePath);
                if (image != null) {
                    frameLoader.set(frame, Frame.backgroundVAR, image);
                    frame.setAttribute(WidgetAttributes.IMAGE_PATH_ATTR, backgroundImagePath);
                }
            } else if (nodeName.equalsIgnoreCase(BKG_IMAGE_DATA_ELT)) {
                String backgroundImageData = getElementText(child);
                String imageName = getAttributeValue(child, NAME_ATTR);
                byte[] image = null;
                if (backgroundImageData != "") {
                    image = Base64.decode(backgroundImageData);
                    if ((imageName != null) && !imageName.equals("")) {
                        cachedImages.put(imageName, image);
                    }
                } else if ((imageName != null) && !imageName.equals("")) {
                    // If imageName specified but there is no data, trust and
                    // try to find the last image data associated with that
                    // name in the cache.
                    image = cachedImages.get(imageName);
                }
                if (image != null) {
                    frameLoader.set(frame, Frame.backgroundVAR, image);
                    if ((imageName != null) && !imageName.equals("")) {
                        frame.setAttribute(WidgetAttributes.IMAGE_PATH_ATTR, imageName);
                    }
                }
            } else if (nodeName.equalsIgnoreCase(ORIGIN_ELT)) {
                double x = Double.parseDouble(getAttributeValue(child, X_ATTR));
                double y = Double.parseDouble(getAttributeValue(child, Y_ATTR));
                DoublePoint origin = new DoublePoint(x, y);
                frameLoader.set(frame, Frame.originVAR, origin);
            } else if (nodeName.equalsIgnoreCase(SPEAKER_TEXT_ELT)) {
                frameLoader.set(frame, Frame.speakerTextVAR, getElementText(child));
            } else if (nodeName.equalsIgnoreCase(LISTEN_TIME_SECS_ELT)) {
                frameLoader.set(frame, Frame.listenTimeVAR, Double.parseDouble(getElementText(child)));
            } else if (nodeName.equalsIgnoreCase(WIDGET_ELT)) {
                IWidget w = parseWidget(design, frame, pendingParentSets, pendingAttrSets, pendingRemoteLabels, child);
                if (w != null) {
                    frame.addWidget(w);
                } else {
                    w = new Widget(null, WidgetType.Noninteractive);
                    Image wImage = GraphicsUtil.getImageFromResource("edu/cmu/cs/hcii/cogtool/resources/warning.jpg");
                    //w.setImage(wImage.getBytes());
                    frame.addWidget(w);
                }
            } else if (nodeName.equalsIgnoreCase(ELTGROUP_ELT)) {
                FrameElementGroup g = parseEltGroup(design, frame, pendingGrps, child);
                if (g != null) {
                    String eltGrpName = g.getName();
                    pendingGrps.remove(eltGrpName);
                    eltGrpName = NamedObjectUtil.makeNameUnique(eltGrpName, frame.getEltGroups());
                    g.setName(eltGrpName);
                    frame.addEltGroup(g);
                }
            } else if (nodeName.equalsIgnoreCase(KEYBOARD_TRANSITIONS_ELT)) {
                if (keyboardDevice != null) {
                    parseTransitions(design, keyboardDevice, child);
                } else {
                    failedObjectErrors.add("Keyboard transitions require that Design have a Keyboard device");
                }
            } else if (nodeName.equalsIgnoreCase(VOICE_TRANSITIONS_ELT)) {
                if (voiceDevice != null) {
                    parseTransitions(design, voiceDevice, child);
                } else {
                    failedObjectErrors.add("Voice transitions require that Design have a Voice device");
                }
            }
        }
        if (frame.getName() != null) {
            // Handle any forward references for remote labels
            Iterator<Map.Entry<FrameElement, String>> labelRefs = pendingRemoteLabels.entrySet().iterator();
            while (labelRefs.hasNext()) {
                Map.Entry<FrameElement, String> labelRef = labelRefs.next();
                setRemoteLabel(frame, labelRef.getValue(), labelRef.getKey(), null);
            }
            // If any "pending" element groups still exist, then there
            // is an error -- an element group that didn't exist!
            Iterator<FrameElementGroup> missingGrps = pendingGrps.values().iterator();
            StringBuilder errorMsg = new StringBuilder();
            while (missingGrps.hasNext()) {
                FrameElementGroup missingGrp = missingGrps.next();
                errorMsg.append("Missing widget or group, named: ");
                errorMsg.append(missingGrp.getName());
                errorMsg.append(" as member of the following groups: ");
                Iterator<FrameElementGroup> inGrps = missingGrp.getEltGroups().iterator();
                String separator = "";
                while (inGrps.hasNext()) {
                    errorMsg.append(separator + inGrps.next().getName());
                    separator = ", ";
                }
                failedObjectErrors.add(errorMsg.toString());
                errorMsg.delete(0, errorMsg.length());
            }
            Iterator<Map.Entry<ChildWidget, String>> childToParentSet = pendingParentSets.entrySet().iterator();
            // relationships
            while (childToParentSet.hasNext()) {
                Map.Entry<ChildWidget, String> childToParent = childToParentSet.next();
                String parentName = childToParent.getValue();
                if (!"".equals(parentName)) {
                    ChildWidget child = childToParent.getKey();
                    AParentWidget parent = (AParentWidget) frame.getWidget(parentName);
                    parent.addItem(child);
                    child.setParent(parent);
                }
            }
            Iterator<Map.Entry<IAttributed, String>> selnAttrToSet = pendingAttrSets.entrySet().iterator();
            // that used widget names as values.
            while (selnAttrToSet.hasNext()) {
                Map.Entry<IAttributed, String> selnAttr = selnAttrToSet.next();
                String widgetName = selnAttr.getValue();
                IWidget attrValue = "".equals(widgetName) ? null : frame.getWidget(widgetName);
                // At the moment, all occurrences that use pendingAttrSets
                // are instances of PullDownHeader for
                // WidgetAttributes.SELECTION_ATTR
                selnAttr.getKey().setAttribute(WidgetAttributes.SELECTION_ATTR, attrValue);
            }
            return frame;
        }
    }
    return null;
}

Example 4 with Image

use of org.eclipse.swt.graphics.Image in project cogtool by cogtool.

the class DesignExportToHTML method exportToHTML.

public void exportToHTML(Design d, String dir, Cancelable cancelState, ProgressCallback progressState) {
    // No need to duplicate here; we're already in the child thread
    // and the design had to have been duplicated in the main thread!
    design = d;
    destDirectory = dir;
    // Performed by the child thread
    // Create a file object for DestDir and test if it is actually
    // a directory
    parentDir = new File(destDirectory);
    if (!parentDir.isDirectory()) {
        // If there is no directory specified, we should fail here.
        throw new IllegalArgumentException("Create Web pages called " + "without a directory");
    }
    Set<Frame> frameSet = design.getFrames();
    int frameCount = frameSet.size();
    // Start at 0 leaving one extra "count" for overlib copy
    // Use "double" to force proper division when setting progress below
    double progressCount = 0.0;
    // call buildFrameList to build the lookup maps.
    buildFrameList();
    Iterator<Frame> iter = frameSet.iterator();
    ImageLoader imageLoader = new ImageLoader();
    String html = null;
    Image img = null;
    //Note: Very long while loop in terms of code
    while ((!cancelState.isCanceled()) && iter.hasNext()) {
        Frame frame = iter.next();
        try {
            //below function, "buildFrameImage", takes in a frame and returns its image
            img = buildFrameImage(frame);
            imageLoader.data = new ImageData[] { img.getImageData() };
            String imageName = getFrameFileName(frame, ".jpg");
            // create new FILE handler for the new imageSaver's use
            File imageFile = new File(parentDir, imageName);
            try {
                imageLoader.save(imageFile.getCanonicalPath(), SWT.IMAGE_JPEG);
            } catch (IOException ex) {
                // We can continue even with exceptions on individual images
                throw new ImageException("Failed saving image for HTML export", ex);
            }
        } finally {
            // dispose the image, it's not needed any more.
            img.dispose();
        }
        try {
            // write HTML to destDir
            FileWriter fileOut = null;
            BufferedWriter writer = null;
            try {
                // Use the local file name, and not the complete path.
                html = buildFrameHTML(frame);
                File htmlFile = new File(parentDir, getFrameFileName(frame, ".html"));
                fileOut = new FileWriter(htmlFile);
                writer = new BufferedWriter(fileOut);
                writer.write(html);
            } finally {
                if (writer != null) {
                    writer.close();
                } else if (fileOut != null) {
                    fileOut.close();
                }
            }
        } catch (IOException ex) {
            throw new ExportIOException("Could not save HTML for export ", ex);
        }
        // Update the progress count
        progressCount += 1.0;
        progressState.updateProgress(progressCount / frameCount, SWTStringUtil.insertEllipsis(frame.getName(), 250, StringUtil.NO_FRONT, SWTStringUtil.DEFAULT_FONT));
    //end of getting frames
    }
    //make sure user did not cancel, and then create folder "build"
    if (!cancelState.isCanceled()) {
        File buildDir = new File(parentDir, "build");
        if (!buildDir.exists()) {
            if (!buildDir.mkdir()) {
                throw new ExportIOException("Could not create build directory");
            }
        }
        try {
            // Write out the index page.
            FileWriter fileOut = null;
            BufferedWriter writer = null;
            try {
                // Use the local file name, and not the complete path.
                //This creates the main page, needs a little styling
                html = buildIndexPage();
                File htmlFile = new File(parentDir, "index.html");
                fileOut = new FileWriter(htmlFile);
                writer = new BufferedWriter(fileOut);
                writer.write(html);
            } finally {
                if (writer != null) {
                    writer.close();
                } else if (fileOut != null) {
                    fileOut.close();
                }
            }
        } catch (IOException ex) {
            throw new ExportIOException("Could not save index.html for export ", ex);
        }
        //Here we import all the resources from the standard directory
        InputStream overlibStream = ClassLoader.getSystemResourceAsStream("edu/cmu/cs/hcii/cogtool/resources/ExportToHTML/overlib.js");
        if (overlibStream == null) {
            throw new ExportIOException("Could not locate overlib.js resource");
        }
        File overlibFile = new File(buildDir, "overlib.js");
        InputStream containerCoreStream = ClassLoader.getSystemResourceAsStream("edu/cmu/cs/hcii/cogtool/resources/ExportToHTML/container_core.js");
        if (containerCoreStream == null) {
            throw new ExportIOException("Could not locate container_core.js resource");
        }
        File containerCoreFile = new File(buildDir, "container_core.js");
        InputStream fontsStream = ClassLoader.getSystemResourceAsStream("edu/cmu/cs/hcii/cogtool/resources/ExportToHTML/fonts-min.css");
        if (fontsStream == null) {
            throw new ExportIOException("Could not locate fonts-min.css resource");
        }
        File fontsFile = new File(buildDir, "fonts-min.css");
        InputStream menuStyleStream = ClassLoader.getSystemResourceAsStream("edu/cmu/cs/hcii/cogtool/resources/ExportToHTML/menu.css");
        if (menuStyleStream == null) {
            throw new ExportIOException("Could not locate menu.css resource");
        }
        File menuStyleFile = new File(buildDir, "menu.css");
        InputStream menuStream = ClassLoader.getSystemResourceAsStream("edu/cmu/cs/hcii/cogtool/resources/ExportToHTML/menu.js");
        if (menuStream == null) {
            throw new ExportIOException("Could not locate menu.js resource");
        }
        File menuFile = new File(buildDir, "menu.js");
        //As you can see, lots of yahoo fancy shmancy
        InputStream eventStream = ClassLoader.getSystemResourceAsStream("edu/cmu/cs/hcii/cogtool/resources/ExportToHTML/yahoo-dom-event.js");
        if (eventStream == null) {
            throw new ExportIOException("Could not locate yahoo-dom-event.js resource");
        }
        File eventFile = new File(buildDir, "yahoo-dom-event.js");
        InputStream spriteStream = ClassLoader.getSystemResourceAsStream("edu/cmu/cs/hcii/cogtool/resources/ExportToHTML/sprite.png");
        if (spriteStream == null) {
            throw new ExportIOException("Could not locate sprite.png resource");
        }
        File spriteFile = new File(buildDir, "sprite.png");
        try {
            FileUtil.copyStreamToFile(overlibStream, overlibFile);
            FileUtil.copyStreamToFile(containerCoreStream, containerCoreFile);
            FileUtil.copyStreamToFile(fontsStream, fontsFile);
            FileUtil.copyStreamToFile(menuStyleStream, menuStyleFile);
            FileUtil.copyStreamToFile(menuStream, menuFile);
            FileUtil.copyStreamToFile(eventStream, eventFile);
            FileUtil.copyStreamToFile(spriteStream, spriteFile);
        } catch (IOException ex) {
            throw new ExportIOException("Failed to create file", ex);
        }
    }
    // clear the look up object
    frameLookUp.clear();
    frameLookUp = null;
}

Example 5 with Image

use of org.eclipse.swt.graphics.Image in project cogtool by cogtool.

the class GraphicsUtil method getImageBounds.

/**
     * A utility to load an image and then dispose it from a byte array.
     * This utility returns the size of the image.
     * This is not a good function to call often. its SLOW.
     *
     * If the image is null, then returns a new rectangle (0,0,0,0);
     * TODO: should this return null
     * @param image
     * @return
     */
public static DoubleRectangle getImageBounds(byte[] image) {
    if (image == null) {
        return new DoubleRectangle(0, 0, 0, 0);
    }
    try {
        Image img = new Image(null, new ByteArrayInputStream(image));
        Rectangle rect = img.getBounds();
        img.dispose();
        return new DoubleRectangle(rect.x, rect.y, rect.width, rect.height);
    } catch (SWTException ex) {
        throw new ImageException("Failed to get image bounds.", ex);
    }
}