Examples with SWTGraphics org.eclipse.draw2d.SWTGraphics used on opensource projects

Example 1 with SWTGraphics

use of org.eclipse.draw2d.SWTGraphics in project cogtool by cogtool.

the class GraphicalWidgetBase method regenerateCaches.

protected void regenerateCaches(final int width, final int height) {
    // For performance reasons, we defer regeneration until we exit fast mode
    if (!this.fast) {
        if (View.isDrawingOK()) {
            // Recompute the cached data in the background
            //            new Thread () {
            //                public void run() {
            boolean needsRepaint = false;
            // Recompute the midground cache if it is dirty
            if (cachedMidgroundDirty) {
                needsRepaint = true;
                if ((width == 0) || (height == 0)) {
                    throw new IllegalArgumentException("Width or Height on a widget is 0. This " + "should have been prevented in setShape " + "Size");
                }
                // Create a temporary canvas on which to draw the midground
                Image img = new Image(null, width, height);
                GC gc = new GC(img);
                SWTGraphics g = new SWTGraphics(gc);
                g.setAntialias(SWT.OFF);
                // Use the renderer & clipper to paint the midground nicely
                g.setBackgroundColor(getSelectionColor());
                renderer.paintMidground(g);
                //      value.
                if (OSUtils.WINDOWS) {
                    ImageData id = img.getImageData();
                    id.alpha = displayAlpha.determineAlpha(false);
                    img.dispose();
                    img = new Image(null, id);
                }
                // WARNING: this might dispose img, or it might return it
                // DO NOT DISPOSE img!
                Image newFG = clipper.clip(img);
                // Clean the cache
                cachedMidgroundDirty = false;
                cachedMidground.dispose();
                cachedMidground = newFG;
                //                            cachedMidgroundData = newFG.getImageData();
                // Dispose of temporary resources
                //                            newFG.dispose();
                g.dispose();
                gc.dispose();
            }
            // Recompute the background cache if it is dirty
            if (cachedBackgroundDirty) {
                needsRepaint = true;
                Image newBG = null;
                // Check if background is present
                byte[] bgImageData = model.getImage();
                if (bgImageData != null) {
                    ImageData bg = new ImageData(new ByteArrayInputStream(bgImageData));
                    newBG = clipper.clip(new Image(null, bg.scaledTo(width, height)));
                }
                // Clean the cache
                cachedBackgroundDirty = false;
                if (cachedBackground != null) {
                    cachedBackground.dispose();
                }
                cachedBackground = newBG;
            }
            // Make sure the results of our update are shown
            if (needsRepaint && View.isDrawingOK()) {
                //                        WindowUtil.globalDisplay.syncExec(
                //                            new Runnable() {
                //                                public void run() {
                repaint();
            //                                 }
            //                            }
            //                        );
            }
        //                }
        //            }.start();
        }
    }
}

Example 2 with SWTGraphics

use of org.eclipse.draw2d.SWTGraphics in project archi by archimatetool.

the class ColoursFontsPreferencePage method createColoursTab.

private void createColoursTab() {
    // Reset everything
    resetColorsCache(false);
    fImageRegistry = new ImageRegistry();
    Composite client = new Composite(fTabfolder, SWT.NULL);
    client.setLayout(new GridLayout(2, false));
    TabItem item = new TabItem(fTabfolder, SWT.NONE);
    item.setText(Messages.ColoursFontsPreferencePage_23);
    item.setControl(client);
    Label label = new Label(client, SWT.NULL);
    label.setText(Messages.ColoursFontsPreferencePage_0);
    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = 2;
    label.setLayoutData(gd);
    // Tree
    fTreeViewer = new TreeViewer(client);
    gd = new GridData(GridData.FILL_BOTH);
    // need this to set a smaller height
    gd.heightHint = 80;
    fTreeViewer.getTree().setLayoutData(gd);
    // Tree Double-click listener
    fTreeViewer.addDoubleClickListener(new IDoubleClickListener() {

        @Override
        public void doubleClick(DoubleClickEvent event) {
            Object[] selected = ((IStructuredSelection) fTreeViewer.getSelection()).toArray();
            if (isValidTreeSelection(selected)) {
                RGB newRGB = openColorDialog(selected[0]);
                if (newRGB != null) {
                    for (Object object : selected) {
                        setColor(object, newRGB);
                    }
                }
            }
        }
    });
    // Tree Selection Changed Listener
    fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            Object[] selected = ((IStructuredSelection) event.getSelection()).toArray();
            fEditFillColorButton.setEnabled(isValidTreeSelection(selected));
            fResetFillColorButton.setEnabled(isValidTreeSelection(selected));
        }
    });
    // Tree Content Provider
    fTreeViewer.setContentProvider(new ITreeContentProvider() {

        @Override
        public void dispose() {
        }

        @Override
        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }

        @Override
        public Object[] getElements(Object inputElement) {
            if (inputElement instanceof String) {
                return new Object[] { new TreeGrouping(Messages.ColoursFontsPreferencePage_32, ArchimateModelUtils.getStrategyClasses()), new TreeGrouping(Messages.ColoursFontsPreferencePage_7, ArchimateModelUtils.getBusinessClasses()), new TreeGrouping(Messages.ColoursFontsPreferencePage_8, ArchimateModelUtils.getApplicationClasses()), new TreeGrouping(Messages.ColoursFontsPreferencePage_9, ArchimateModelUtils.getTechnologyClasses()), new TreeGrouping(Messages.ColoursFontsPreferencePage_33, ArchimateModelUtils.getPhysicalClasses()), new TreeGrouping(Messages.ColoursFontsPreferencePage_10, ArchimateModelUtils.getMotivationClasses()), new TreeGrouping(Messages.ColoursFontsPreferencePage_11, ArchimateModelUtils.getImplementationMigrationClasses()), new TreeGrouping(Messages.ColoursFontsPreferencePage_17, ArchimateModelUtils.getOtherClasses()), new TreeGrouping(Messages.ColoursFontsPreferencePage_34, new Object[] { IArchimatePackage.eINSTANCE.getDiagramModelNote(), IArchimatePackage.eINSTANCE.getDiagramModelGroup() }), DEFAULT_ELEMENT_LINE_COLOR, DEFAULT_CONNECTION_LINE_COLOR };
            }
            return null;
        }

        @Override
        public Object[] getChildren(Object parentElement) {
            if (parentElement instanceof TreeGrouping) {
                return ((TreeGrouping) parentElement).children;
            }
            return null;
        }

        @Override
        public Object getParent(Object element) {
            return null;
        }

        @Override
        public boolean hasChildren(Object element) {
            return element instanceof TreeGrouping;
        }
    });
    // Tree Label Provider
    fTreeViewer.setLabelProvider(new LabelProvider() {

        @Override
        public String getText(Object element) {
            if (element instanceof EClass) {
                return ArchiLabelProvider.INSTANCE.getDefaultName((EClass) element);
            }
            if (element instanceof TreeGrouping) {
                return ((TreeGrouping) element).title;
            }
            if (element instanceof String) {
                String s = (String) element;
                if (s.equals(DEFAULT_ELEMENT_LINE_COLOR)) {
                    return Messages.ColoursFontsPreferencePage_12;
                }
                if (s.equals(DEFAULT_CONNECTION_LINE_COLOR)) {
                    return Messages.ColoursFontsPreferencePage_18;
                }
            }
            return null;
        }

        @Override
        public Image getImage(Object element) {
            if (element instanceof TreeGrouping) {
                return IArchiImages.ImageFactory.getImage(IArchiImages.ECLIPSE_IMAGE_FOLDER);
            }
            return getColorSwatch(element);
        }

        // Create a coloured image based on colour and add to the image registry
        private Image getColorSwatch(Object object) {
            String key = getColorKey(object);
            Image image = fImageRegistry.get(key);
            if (image == null) {
                image = new Image(Display.getCurrent(), 16, 16);
                GC gc = new GC(image);
                SWTGraphics graphics = new SWTGraphics(gc);
                graphics.setBackgroundColor(fColorsCache.get(object));
                graphics.fillRectangle(0, 0, 15, 15);
                graphics.drawRectangle(0, 0, 15, 15);
                gc.dispose();
                graphics.dispose();
                fImageRegistry.put(key, image);
            }
            return image;
        }
    });
    // fTreeViewer.setAutoExpandLevel(2);
    // Set Content in Tree
    // $NON-NLS-1$
    fTreeViewer.setInput("");
    // Buttons
    Composite buttonClient = new Composite(client, SWT.NULL);
    gd = new GridData(SWT.TOP, SWT.TOP, false, false);
    buttonClient.setLayoutData(gd);
    buttonClient.setLayout(new GridLayout());
    // Edit...
    fEditFillColorButton = new Button(buttonClient, SWT.PUSH);
    fEditFillColorButton.setText(Messages.ColoursFontsPreferencePage_13);
    fEditFillColorButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fEditFillColorButton.setEnabled(false);
    fEditFillColorButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent event) {
            Object[] selected = ((IStructuredSelection) fTreeViewer.getSelection()).toArray();
            if (isValidTreeSelection(selected)) {
                RGB newRGB = openColorDialog(selected[0]);
                if (newRGB != null) {
                    for (Object object : selected) {
                        setColor(object, newRGB);
                    }
                }
            }
        }
    });
    // Reset
    fResetFillColorButton = new Button(buttonClient, SWT.PUSH);
    fResetFillColorButton.setText(Messages.ColoursFontsPreferencePage_14);
    fResetFillColorButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fResetFillColorButton.setEnabled(false);
    fResetFillColorButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent event) {
            Object[] selected = ((IStructuredSelection) fTreeViewer.getSelection()).toArray();
            if (isValidTreeSelection(selected)) {
                for (Object object : selected) {
                    resetColorToInbuiltDefault(object);
                }
            }
        }
    });
    // Import Scheme
    Button importButton = new Button(buttonClient, SWT.PUSH);
    importButton.setText(Messages.ColoursFontsPreferencePage_2);
    importButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    importButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            try {
                importUserColors();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });
    // Export Scheme
    Button exportButton = new Button(buttonClient, SWT.PUSH);
    exportButton.setText(Messages.ColoursFontsPreferencePage_3);
    exportButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    exportButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            try {
                exportUserColors();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });
    Group elementColorGroup = new Group(client, SWT.NULL);
    elementColorGroup.setLayout(new GridLayout(2, false));
    elementColorGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    elementColorGroup.setText(Messages.ColoursFontsPreferencePage_20);
    // Derive element line colours
    fDeriveElementLineColorsButton = new Button(elementColorGroup, SWT.CHECK);
    fDeriveElementLineColorsButton.setText(Messages.ColoursFontsPreferencePage_19);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = 2;
    fDeriveElementLineColorsButton.setLayoutData(gd);
    fDeriveElementLineColorsButton.setSelection(getPreferenceStore().getBoolean(DERIVE_ELEMENT_LINE_COLOR));
    fDeriveElementLineColorsButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            fElementLineColorContrastSpinner.setEnabled(fDeriveElementLineColorsButton.getSelection());
            fContrastFactorLabel.setEnabled(fDeriveElementLineColorsButton.getSelection());
        }
    });
    fContrastFactorLabel = new Label(elementColorGroup, SWT.NULL);
    fContrastFactorLabel.setText(Messages.ColoursFontsPreferencePage_21);
    fElementLineColorContrastSpinner = new Spinner(elementColorGroup, SWT.BORDER);
    fElementLineColorContrastSpinner.setMinimum(1);
    fElementLineColorContrastSpinner.setMaximum(10);
    fElementLineColorContrastSpinner.setSelection(getPreferenceStore().getInt(DERIVE_ELEMENT_LINE_COLOR_FACTOR));
    label = new Label(elementColorGroup, SWT.NULL);
    label.setText(Messages.ColoursFontsPreferencePage_22);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = 2;
    // Persist user default colours
    fPersistUserDefaultColors = new Button(client, SWT.CHECK);
    fPersistUserDefaultColors.setText(Messages.ColoursFontsPreferencePage_1);
    fPersistUserDefaultColors.setLayoutData(gd);
    fPersistUserDefaultColors.setSelection(getPreferenceStore().getBoolean(SAVE_USER_DEFAULT_COLOR));
    // Use colours in application
    fShowUserDefaultFillColorsInApplication = new Button(client, SWT.CHECK);
    fShowUserDefaultFillColorsInApplication.setText(Messages.ColoursFontsPreferencePage_6);
    fShowUserDefaultFillColorsInApplication.setLayoutData(gd);
    fShowUserDefaultFillColorsInApplication.setSelection(getPreferenceStore().getBoolean(SHOW_FILL_COLORS_IN_GUI));
}

Example 3 with SWTGraphics

use of org.eclipse.draw2d.SWTGraphics in project archi by archimatetool.

the class DiagramUtils method createModelReferencedImage.

private static ModelReferencedImage createModelReferencedImage(IFigure figure, double scale, int margin) {
    if (scale <= 0) {
        scale = 1;
    }
    if (scale > 5) {
        scale = 5;
    }
    Rectangle bounds = getMinimumBounds(figure);
    if (bounds == null) {
        // At least a minimum
        bounds = new Rectangle(0, 0, 100, 100);
    } else {
        bounds.expand(margin / scale, margin / scale);
    }
    Image image = new Image(Display.getDefault(), (int) (bounds.width * scale), (int) (bounds.height * scale));
    GC gc = new GC(image);
    SWTGraphics swtGraphics = new SWTGraphics(gc);
    Graphics graphics = swtGraphics;
    // If scaled, then scale now
    if (scale != 1) {
        graphics = new ScaledGraphics(swtGraphics);
        graphics.scale(scale);
    }
    // Compensate for negative co-ordinates
    graphics.translate(bounds.x * -1, bounds.y * -1);
    // Paint onto graphics
    figure.paint(graphics);
    // Dispose
    gc.dispose();
    graphics.dispose();
    if (swtGraphics != graphics) {
        swtGraphics.dispose();
    }
    return new ModelReferencedImage(image, bounds);
}

Example 4 with SWTGraphics

use of org.eclipse.draw2d.SWTGraphics in project dbeaver by dbeaver.

the class ERDExportRasterImage method exportDiagram.

@Override
public void exportDiagram(EntityDiagram diagram, IFigure figure, DiagramPart diagramPart, File targetFile) throws DBException {
    String filePath = targetFile.getAbsolutePath().toLowerCase();
    int imageType = SWT.IMAGE_BMP;
    if (filePath.endsWith(".jpg")) {
        imageType = SWT.IMAGE_JPEG;
    } else if (filePath.endsWith(".png")) {
        imageType = SWT.IMAGE_PNG;
    } else if (filePath.endsWith(".gif")) {
        imageType = SWT.IMAGE_GIF;
    }
    Rectangle contentBounds = figure instanceof FreeformLayeredPane ? ((FreeformLayeredPane) figure).getFreeformExtent() : figure.getBounds();
    try {
        if (contentBounds.isEmpty()) {
            throw new DBException("Can't save empty diagram");
        }
        try (FileOutputStream fos = new FileOutputStream(targetFile)) {
            Rectangle r = figure.getBounds();
            GC gc = null;
            Graphics graphics = null;
            try {
                Image image = new Image(null, contentBounds.width + MARGIN_X * 4, contentBounds.height + MARGIN_Y * 4);
                try {
                    gc = new GC(image);
                    // gc.setClipping(0, 0, contentBounds.width + MARGIN_X * 2, contentBounds.height + MARGIN_Y * 2);
                    graphics = new SWTGraphics(gc);
                    graphics.translate(r.x * -1 + MARGIN_X, r.y * -1 + MARGIN_Y);
                    figure.paint(graphics);
                    ImageLoader imageLoader = new ImageLoader();
                    imageLoader.data = new ImageData[1];
                    if (imageType != SWT.IMAGE_JPEG) {
                        // Convert to 8bit color
                        imageLoader.data[0] = ImageUtils.makeWebImageData(image);
                    } else {
                        // Use maximum colors for JPEG
                        imageLoader.data[0] = image.getImageData();
                    }
                    imageLoader.save(fos, imageType);
                } finally {
                    UIUtils.dispose(image);
                }
            } finally {
                if (graphics != null) {
                    graphics.dispose();
                }
                UIUtils.dispose(gc);
            }
            fos.flush();
        }
        UIUtils.launchProgram(filePath);
    } catch (Throwable e) {
        DBUserInterface.getInstance().showError("Save ERD as image", null, e);
    }
}

Example 5 with SWTGraphics

use of org.eclipse.draw2d.SWTGraphics in project dbeaver by dbeaver.

the class ERDExportRasterImage method exportDiagram.

@Override
public void exportDiagram(EntityDiagram diagram, IFigure figure, DiagramPart diagramPart, File targetFile) throws DBException {
    int imageType = SWT.IMAGE_BMP;
    {
        String filePath = targetFile.getName().toLowerCase();
        if (filePath.endsWith(".jpg")) {
            imageType = SWT.IMAGE_JPEG;
        } else if (filePath.endsWith(".png")) {
            imageType = SWT.IMAGE_PNG;
        } else if (filePath.endsWith(".gif")) {
            imageType = SWT.IMAGE_GIF;
        }
    }
    Rectangle contentBounds = figure instanceof FreeformLayeredPane ? ((FreeformLayeredPane) figure).getFreeformExtent() : figure.getBounds();
    try {
        if (contentBounds.isEmpty()) {
            throw new DBException("Can't serializeDiagram empty diagram");
        }
        try (FileOutputStream fos = new FileOutputStream(targetFile)) {
            Rectangle r = figure.getBounds();
            GC gc = null;
            Graphics graphics = null;
            try {
                Image image = new Image(null, contentBounds.width + MARGIN_X * 4, contentBounds.height + MARGIN_Y * 4);
                try {
                    gc = new GC(image);
                    // gc.setClipping(0, 0, contentBounds.width + MARGIN_X * 2, contentBounds.height + MARGIN_Y * 2);
                    graphics = new SWTGraphics(gc);
                    graphics.translate(r.x * -1 + MARGIN_X, r.y * -1 + MARGIN_Y);
                    figure.paint(graphics);
                    ImageLoader imageLoader = new ImageLoader();
                    imageLoader.data = new ImageData[1];
                    if (imageType == SWT.IMAGE_GIF) {
                        // Convert to 8bit color
                        imageLoader.data[0] = ImageUtils.makeWebImageData(image);
                    } else {
                        // Use maximum colors for JPEG, PNG
                        imageLoader.data[0] = ImageUtils.getImageDataAtCurrentZoom(image);
                    }
                    imageLoader.save(fos, imageType);
                } finally {
                    UIUtils.dispose(image);
                }
            } finally {
                if (graphics != null) {
                    graphics.dispose();
                }
                UIUtils.dispose(gc);
            }
            fos.flush();
        }
        UIUtils.launchProgram(targetFile.getAbsolutePath());
    } catch (Throwable e) {
        DBWorkbench.getPlatformUI().showError("Save ERD as image", null, e);
    }
}