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

Example 1 with PaletteData

use of org.eclipse.swt.graphics.PaletteData in project tdi-studio-se by Talend.

the class InsertionIndicator method addListeners.

/**
     * DOC amaumont Comment method "addListeners".
     */
private void addListeners() {
    Listener paintListener = new Listener() {

        public void handleEvent(Event event) {
            Composite composite = (Composite) event.widget;
            Rectangle bounds = composite.getBounds();
            // //////////////////////////////////////////////////////////
            // draw image filled with transparent pixels
            RGB transparentColor = new RGB(0, 255, 0);
            PaletteData paletteData = new PaletteData(new RGB[] { transparentColor });
            ImageData imageData = new ImageData(bounds.width, bounds.height, 1, paletteData);
            int transparentPixelValue = imageData.palette.getPixel(transparentColor);
            imageData.transparentPixel = transparentPixelValue;
            GC gc = event.gc;
            final Image image = new Image(gc.getDevice(), imageData);
            gc.drawImage(image, 0, 0);
            image.dispose();
            // ////////////////////////////////////////////////////////////////////////////
            // //////////////////////////////////////////////////////////
            // draw left arrow
            int yCenter = bounds.height / 2;
            int widthExternalArrow = 10;
            gc.setBackground(colorIndicator);
            gc.setForeground(colorIndicator);
            if (composite == leftArrowDraggingIndicator) {
                // external left arrow
                Point leftCrossPoint = new Point(widthExternalArrow, yCenter);
                gc.fillPolygon(new int[] { 0, 0, leftCrossPoint.x, leftCrossPoint.y, 0, bounds.height });
                gc.drawLine(leftCrossPoint.x, leftCrossPoint.y, bounds.width, leftCrossPoint.y);
            } else {
                // external right arrow
                Point rightCrossPoint = new Point(bounds.width - widthExternalArrow, yCenter);
                gc.fillPolygon(new int[] { bounds.width, 0, rightCrossPoint.x, rightCrossPoint.y, bounds.width, bounds.height });
                gc.drawLine(rightCrossPoint.x, rightCrossPoint.y, -bounds.width, rightCrossPoint.y);
            }
        }
    };
    leftArrowDraggingIndicator.addListener(SWT.Paint, paintListener);
    rightArrowDraggingIndicator.addListener(SWT.Paint, paintListener);
}

Example 2 with PaletteData

use of org.eclipse.swt.graphics.PaletteData 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 3 with PaletteData

use of org.eclipse.swt.graphics.PaletteData in project knime-core by knime.

the class KNIMECTabFolderRenderer method blur.

public ImageData blur(final Image src, final int radius, final int sigma) {
    float[] kernel = create1DKernel(radius, sigma);
    ImageData imgPixels = src.getImageData();
    int width = imgPixels.width;
    int height = imgPixels.height;
    int[] inPixels = new int[width * height];
    int[] outPixels = new int[width * height];
    int offset = 0;
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            RGB rgb = imgPixels.palette.getRGB(imgPixels.getPixel(x, y));
            if (rgb.red == 255 && rgb.green == 255 && rgb.blue == 255) {
                inPixels[offset] = (rgb.red << 16) | (rgb.green << 8) | rgb.blue;
            } else {
                inPixels[offset] = (imgPixels.getAlpha(x, y) << 24) | (rgb.red << 16) | (rgb.green << 8) | rgb.blue;
            }
            offset++;
        }
    }
    convolve(kernel, inPixels, outPixels, width, height, true);
    convolve(kernel, outPixels, inPixels, height, width, true);
    ImageData dst = new ImageData(imgPixels.width, imgPixels.height, 24, new PaletteData(0xff0000, 0xff00, 0xff));
    dst.setPixels(0, 0, inPixels.length, inPixels, 0);
    offset = 0;
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            if (inPixels[offset] == -1) {
                dst.setAlpha(x, y, 0);
            } else {
                int a = (inPixels[offset] >> 24) & 0xff;
                // if (a < 150) a = 0;
                dst.setAlpha(x, y, a);
            }
            offset++;
        }
    }
    return dst;
}

Example 4 with PaletteData

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

the class Test_org_eclipse_swt_graphics_GC method test_copyAreaLorg_eclipse_swt_graphics_ImageII.

@Test
public void test_copyAreaLorg_eclipse_swt_graphics_ImageII() {
    Color white = display.getSystemColor(SWT.COLOR_WHITE);
    Color blue = display.getSystemColor(SWT.COLOR_BLUE);
    RGB whiteRGB = getRealRGB(white);
    RGB blueRGB = getRealRGB(blue);
    gc.setBackground(white);
    gc.fillRectangle(image.getBounds());
    gc.setBackground(blue);
    gc.fillRectangle(5, 0, 6, 1);
    Image image = new Image(display, 12, 12);
    gc.copyArea(image, 0, 0);
    ImageData imageData = image.getImageData();
    PaletteData palette = imageData.palette;
    if (DPIUtil.getDeviceZoom() != 100) {
        // TODO Fix non integer scaling factors.
        if (SwtTestUtil.verbose) {
            System.out.println("Excluded test_copyAreaLorg_eclipse_swt_graphics_ImageII(org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_GC)");
        }
        image.dispose();
        return;
    }
    int pixel = imageData.getPixel(4, 0);
    assertEquals(":a:", whiteRGB, palette.getRGB(pixel));
    pixel = imageData.getPixel(5, 0);
    assertEquals(":b:", blueRGB, palette.getRGB(pixel));
    pixel = imageData.getPixel(10, 0);
    assertEquals(":c:", blueRGB, palette.getRGB(pixel));
    pixel = imageData.getPixel(11, 0);
    assertEquals(":d:", whiteRGB, palette.getRGB(pixel));
    image.dispose();
}

Example 5 with PaletteData

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

the class Test_org_eclipse_swt_graphics_GC method test_drawImageLorg_eclipse_swt_graphics_ImageIIIIIIII.

@Test
public void test_drawImageLorg_eclipse_swt_graphics_ImageIIIIIIII() {
    Color c1 = new Color(display, 255, 0, 0);
    Color c2 = new Color(display, 0, 0, 0);
    Color c3 = new Color(display, 255, 255, 0);
    PaletteData paletteData = new PaletteData(c1.getRGB(), c2.getRGB(), c3.getRGB());
    ImageData data = new ImageData(30, 30, 8, paletteData);
    for (int y = 0; y < data.height; y++) {
        for (int x = 0; x < data.width; x++) {
            if (x > y)
                data.setPixel(x, y, paletteData.getPixel(c1.getRGB()));
            else if (x < y)
                data.setPixel(x, y, paletteData.getPixel(c2.getRGB()));
            else
                data.setPixel(x, y, paletteData.getPixel(c3.getRGB()));
        }
    }
    Image image = new Image(display, data);
    data = image.getImageData();
    data.transparentPixel = paletteData.getPixel(c1.getRGB());
    Image imageTransparent = new Image(display, data);
    data.transparentPixel = -1;
    for (int y = 0; y < data.height; y++) {
        for (int x = 0; x < data.width; x++) {
            data.setAlpha(x, y, 127);
        }
    }
    Image imageAlpha = new Image(display, data);
    gc.drawImage(image, 10, 5, 20, 15, 100, 120, 50, 60);
    gc.drawImage(imageTransparent, 10, 5, 20, 15, 100, 120, 10, 10);
    gc.drawImage(imageAlpha, 10, 5, 20, 15, 100, 120, 20, 15);
    try {
        gc.drawImage(null, 10, 5, 20, 15, 100, 120, 50, 60);
        // should never get here
        fail("No exception thrown");
    } catch (IllegalArgumentException e) {
    }
    image.dispose();
    imageAlpha.dispose();
    imageTransparent.dispose();
    c1.dispose();
    c2.dispose();
    c3.dispose();
}