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

Example 56 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class CTable method initImages.

static void initImages(final Display display) {
    PaletteData arrowPalette = new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255));
    if (display.getData(ID_ARROWDOWN) == null) {
        ImageData arrowDown = new ImageData(7, 4, 1, arrowPalette, 1, new byte[] { 0x00, (byte) 0x83, (byte) 0xC7, (byte) 0xEF });
        arrowDown.transparentPixel = 0x1;
        /* use white for transparency */
        display.setData(ID_ARROWDOWN, new Image(display, arrowDown));
    }
    if (display.getData(ID_ARROWUP) == null) {
        ImageData arrowUp = new ImageData(7, 4, 1, arrowPalette, 1, new byte[] { (byte) 0xEF, (byte) 0xC7, (byte) 0x83, 0x00 });
        arrowUp.transparentPixel = 0x1;
        /* use white for transparency */
        display.setData(ID_ARROWUP, new Image(display, arrowUp));
    }
    PaletteData checkMarkPalette = new PaletteData(new RGB(0, 0, 0), new RGB(252, 3, 251));
    byte[] checkbox = new byte[] { 0, 0, 127, -64, 127, -64, 127, -64, 127, -64, 127, -64, 127, -64, 127, -64, 127, -64, 127, -64, 0, 0 };
    ImageData checkmark = new ImageData(7, 7, 1, checkMarkPalette, 1, new byte[] { -4, -8, 112, 34, 6, -114, -34 });
    checkmark.transparentPixel = 1;
    if (display.getData(ID_CHECKMARK) == null) {
        display.setData(ID_CHECKMARK, new Image(display, checkmark));
    }
    if (display.getData(ID_UNCHECKED) == null) {
        PaletteData uncheckedPalette = new PaletteData(new RGB(128, 128, 128), new RGB(255, 255, 255));
        ImageData unchecked = new ImageData(11, 11, 1, uncheckedPalette, 2, checkbox);
        display.setData(ID_UNCHECKED, new Image(display, unchecked));
    }
    if (display.getData(ID_GRAYUNCHECKED) == null) {
        PaletteData grayUncheckedPalette = new PaletteData(new RGB(128, 128, 128), new RGB(192, 192, 192));
        ImageData grayUnchecked = new ImageData(11, 11, 1, grayUncheckedPalette, 2, checkbox);
        display.setData(ID_GRAYUNCHECKED, new Image(display, grayUnchecked));
    }
    display.disposeExec(() -> {
        Image unchecked = (Image) display.getData(ID_UNCHECKED);
        if (unchecked != null)
            unchecked.dispose();
        Image grayUnchecked = (Image) display.getData(ID_GRAYUNCHECKED);
        if (grayUnchecked != null)
            grayUnchecked.dispose();
        Image checkmark1 = (Image) display.getData(ID_CHECKMARK);
        if (checkmark1 != null)
            checkmark1.dispose();
        Image arrowDown = (Image) display.getData(ID_ARROWDOWN);
        if (arrowDown != null)
            arrowDown.dispose();
        Image arrowUp = (Image) display.getData(ID_ARROWUP);
        if (arrowUp != null)
            arrowUp.dispose();
        display.setData(ID_UNCHECKED, null);
        display.setData(ID_GRAYUNCHECKED, null);
        display.setData(ID_CHECKMARK, null);
        display.setData(ID_ARROWDOWN, null);
        display.setData(ID_ARROWUP, null);
    });
}

Example 57 with ImageData

use of org.eclipse.swt.graphics.ImageData in project yamcs-studio by yamcs.

the class SWTResourceManager method getImage.

/**
 * Returns an {@link Image} encoded by the specified {@link InputStream}.
 *
 * @param stream
 *            the {@link InputStream} encoding the image data
 * @return the {@link Image} encoded by the specified input stream
 */
protected static Image getImage(InputStream stream) throws IOException {
    try {
        Display display = Display.getCurrent();
        ImageData data = new ImageData(stream);
        if (data.transparentPixel > 0) {
            return new Image(display, data, data.getTransparencyMask());
        }
        return new Image(display, data);
    } finally {
        stream.close();
    }
}

Example 58 with ImageData

use of org.eclipse.swt.graphics.ImageData in project yamcs-studio by yamcs.

the class AnimatedSVGCache method addImage.

public Image addImage(BufferedImage awtImage) {
    if (filled) {
        return null;
    }
    if (entries.size() == maxSize) {
        flush();
    }
    Image image = null;
    long currentWaitTime = Long.MAX_VALUE;
    if (!initialized) {
        // Initialize
        for (TimedElement te : timedDocumentRoot.getChildren()) {
            timeHandlers.put(te, new TimedElementHandler(te));
        }
        entries.clear();
        filled = false;
        repeatCount = 0;
        initialized = true;
    } else {
        // Compare time of each element with previous call
        for (TimedElement te : timedDocumentRoot.getChildren()) {
            if (timeHandlers.get(te) != null && timeHandlers.get(te).update(te) && timeHandlers.get(te).getWaitTime() < currentWaitTime) {
                // Take the minimum
                currentWaitTime = timeHandlers.get(te).getWaitTime();
            }
        }
        // Check if all images have been cached
        filled = hasRepeated();
        // Avoid first repeat
        if (filled && repeatCount == 0) {
            repeatCount++;
            // Reset time counters
            timeHandlers.clear();
            for (TimedElement te : timedDocumentRoot.getChildren()) {
                timeHandlers.put(te, new TimedElementHandler(te));
            }
            filled = false;
        }
    }
    if (filled) {
        // End of the loop, back to first image
        entries.get(0).setWaitTime(currentWaitTime);
        return entries.get(0).getImage();
    }
    ImageData imageData = SVGUtils.toSWT(swtDisplay, awtImage);
    image = new Image(swtDisplay, imageData);
    // Avoid first repeat
    if (repeatCount == 0) {
        return image;
    }
    entries.add(new Entry(currentWaitTime, image));
    return image;
}

Example 59 with ImageData

use of org.eclipse.swt.graphics.ImageData in project yamcs-studio by yamcs.

the class FilePathDialogWithFilter method displayOverview.

private void displayOverview(IPath imgPath) {
    if (imgPath == null || imgPath.isEmpty())
        return;
    try {
        ImageData data = null;
        if (GIF_EXT.equalsIgnoreCase(imgPath.getFileExtension()) || PNG_EXT.equalsIgnoreCase(imgPath.getFileExtension())) {
            final InputStream inputStream = ResourceUtil.pathToInputStream(imgPath);
            ImageData tmpData = new ImageData(inputStream);
            float ratio = (float) tmpData.width / tmpData.height;
            if (ratio >= 1 && tmpData.width > MAX_ICON_WIDTH) {
                float ratio2 = (float) MAX_ICON_WIDTH / tmpData.width;
                data = tmpData.scaledTo(MAX_ICON_WIDTH, Math.round((float) tmpData.height * ratio2));
            } else if (ratio < 1 && tmpData.height > MAX_ICON_HEIGHT) {
                float ratio2 = (float) MAX_ICON_HEIGHT / tmpData.height;
                data = tmpData.scaledTo(Math.round((float) tmpData.width * ratio2), MAX_ICON_HEIGHT);
            } else {
                data = tmpData;
            }
        } else if (SVG_EXT.equalsIgnoreCase(imgPath.getFileExtension())) {
            final InputStream inputStream = ResourceUtil.pathToInputStream(imgPath);
            data = SVGUtils.loadSVG(imgPath, inputStream, MAX_ICON_WIDTH, MAX_ICON_HEIGHT);
        }
        if (data != null && data.width <= MAX_ICON_WIDTH && data.height <= MAX_ICON_HEIGHT && imgOverview != null) {
            Image img = new Image(Display.getCurrent(), data);
            imgOverview.setImage(img);
        }
    } catch (Exception e) {
        OPIBuilderPlugin.getLogger().log(Level.WARNING, "Error loading file overview: " + imgPath, e);
    }
}

Example 60 with ImageData

use of org.eclipse.swt.graphics.ImageData in project yamcs-studio by yamcs.

the class GIFSymbolImage method syncLoadImage.

// ************************************************************
// Image loading
// ************************************************************
@Override
public void syncLoadImage() {
    if (imagePath == null)
        return;
    loadingImage = true;
    if (animated) {
        stopAnimation();
        showIndex = 0;
        animationIndex = 0;
    }
    InputStream stream = null;
    Image tempImage = null;
    try {
        stream = ResourceUtil.pathToInputStream(imagePath.toPortableString());
        ImageData[] dataArray = loader.load(stream);
        if (dataArray == null || dataArray.length < 1)
            return;
        originalImageDataArray = dataArray;
        originalImageData = originalImageDataArray[0];
        animated = originalImageDataArray.length > 1;
    } catch (Exception e) {
        Activator.getLogger().log(Level.WARNING, "ERROR in loading PNG image " + imagePath, e);
    } finally {
        try {
            if (stream != null)
                stream.close();
            if (tempImage != null && !tempImage.isDisposed())
                tempImage.dispose();
        } catch (IOException e) {
            Activator.getLogger().log(Level.WARNING, "ERROR in closing GIF image stream ", e);
        }
    }
    loadingImage = false;
    resetData();
    if (animated)
        startAnimation();
}