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

Example 1 with Region

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

the class Marker method getHoverRegion.

/**
     * Gets the hover region. The direction of hover arrow can be changed so that hover is completely shown within
     * screen.
     * 
     * @param textExtent The text extent
     * @param showOnRight <tt>true</tt> to show hover on the right hand side of data point
     * @param showBelow <tt>true</tt> to show hover below data point
     * @return The hover region
     */
private static Region getHoverRegion(Point textExtent, boolean showOnRight, boolean showBelow) {
    Region region = new Region();
    int[] pointArray;
    if (showOnRight && showBelow) {
        pointArray = new int[] { 0, 0, OFFSET + 5, OFFSET, textExtent.x + MARGIN * 2 + OFFSET, OFFSET, textExtent.x + MARGIN * 2 + OFFSET, textExtent.y + OFFSET, OFFSET, textExtent.y + OFFSET, OFFSET, OFFSET + 5, 0, 0 };
    } else if (!showOnRight && showBelow) {
        pointArray = new int[] { OFFSET, OFFSET, textExtent.x + MARGIN * 2 + OFFSET - 5, OFFSET, textExtent.x + MARGIN * 2 + OFFSET * 2, 0, textExtent.x + MARGIN * 2 + OFFSET, OFFSET + 5, textExtent.x + MARGIN * 2 + OFFSET, textExtent.y + OFFSET, OFFSET, textExtent.y + OFFSET, OFFSET, OFFSET };
    } else if (showOnRight && !showBelow) {
        pointArray = new int[] { OFFSET, OFFSET, textExtent.x + MARGIN * 2 + OFFSET, OFFSET, textExtent.x + MARGIN * 2 + OFFSET, textExtent.y + OFFSET, OFFSET + 5, textExtent.y + OFFSET, 0, textExtent.y + OFFSET * 2, OFFSET, textExtent.y + OFFSET - 5, OFFSET, OFFSET };
    } else /* if (!showOnRight && !showBelow) */
    {
        pointArray = new int[] { OFFSET, OFFSET, textExtent.x + MARGIN * 2 + OFFSET, OFFSET, textExtent.x + MARGIN * 2 + OFFSET, textExtent.y + OFFSET - 5, textExtent.x + MARGIN * 2 + OFFSET * 2, textExtent.y + OFFSET * 2, textExtent.x + MARGIN * 2 + OFFSET - 5, textExtent.y + OFFSET, OFFSET, textExtent.y + OFFSET, OFFSET, OFFSET };
    }
    region.add(pointArray);
    return region;
}

Example 2 with Region

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

the class Marker method createHovers.

/**
     * Creates the hovers.
     */
private void createHovers() {
    // create hover keys
    List<String> keys = new ArrayList<String>();
    keys.add(TIME_KEY);
    for (ISeries series : chart.getSeriesSet().getSeries()) {
        keys.add(series.getId());
    }
    // create or reuse hovers
    Map<String, Shell> newHovers = new HashMap<String, Shell>();
    for (final String key : keys) {
        Shell hover = hovers.get(key);
        if (hover == null) {
            hover = createHover(key);
        }
        newHovers.put(key, hover);
    }
    // dispose unused hovers
    for (Entry<String, Shell> entrySet : hovers.entrySet()) {
        if (!keys.contains(entrySet.getKey())) {
            Shell hover = entrySet.getValue();
            Region region = hover.getRegion();
            if (region != null) {
                region.dispose();
            }
            hover.dispose();
        }
    }
    hovers = newHovers;
}

Example 3 with Region

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

the class Test_org_eclipse_swt_widgets_Shell method a_test_setRegion.

// TODO This test was not hooked for running with the runTest override. It fails on GTK/Cocoa. Investigate.
public void a_test_setRegion() {
    Region region = new Region();
    region.add(new Rectangle(10, 20, 100, 200));
    // test shell without style SWT.NO_TRIM
    assertNull(":a:", shell.getRegion());
    shell.setRegion(region);
    assertNull(":b:", shell.getRegion());
    shell.setRegion(null);
    assertNull(":c:", shell.getRegion());
    // test shell with style SWT.NO_TRIM
    Display display = shell.getDisplay();
    Shell shell2 = new Shell(display, SWT.NO_TRIM);
    assertNull(":d:", shell2.getRegion());
    shell2.setRegion(region);
    assertTrue(":e:", shell2.getRegion().handle == region.handle);
    region.dispose();
    assertTrue(":f:", shell2.getRegion().isDisposed());
    shell2.setRegion(null);
    assertNull(":g:", shell2.getRegion());
}

Example 4 with Region

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

the class KNIMECTabFolderRenderer method drawTabHeader.

void drawTabHeader(final GC gc, final Rectangle bounds, final int state) {
    // gc.setClipping(bounds.x, bounds.y, bounds.width,
    // parent.getTabHeight() + 1);
    boolean onBottom = parent.getTabPosition() == SWT.BOTTOM;
    int[] points = new int[1024];
    int index = 0;
    int radius = cornerSize / 2;
    int marginWidth = parent.marginWidth;
    int marginHeight = parent.marginHeight;
    int delta = INNER_KEYLINE + OUTER_KEYLINE + 2 * (shadowEnabled ? SIDE_DROP_WIDTH : 0) + 2 * marginWidth;
    int width = bounds.width - delta;
    int height = bounds.height - INNER_KEYLINE - OUTER_KEYLINE - 2 * marginHeight - (shadowEnabled ? BOTTOM_DROP_WIDTH : 0);
    int circX = bounds.x + delta / 2 + radius;
    int circY = bounds.y + radius;
    // Fill in background
    Region clipping = new Region();
    gc.getClipping(clipping);
    Region region = new Region();
    region.add(shape);
    region.intersect(clipping);
    gc.setClipping(region);
    // TODO: this needs
    int header = shadowEnabled ? onBottom ? 6 : 3 : 1;
    // to be added to
    // computeTrim for
    // HEADER
    Rectangle trim = computeTrim(PART_HEADER, state, 0, 0, 0, 0);
    trim.width = bounds.width - trim.width;
    // XXX: The magic numbers need to be cleaned up. See https://bugs.eclipse.org/425777 for details.
    trim.height = (parent.getTabHeight() + (onBottom ? 7 : 4)) - trim.height;
    trim.x = -trim.x;
    trim.y = onBottom ? bounds.height - parent.getTabHeight() - 1 - header : -trim.y;
    draw(PART_BACKGROUND, SWT.NONE, trim, gc);
    gc.setClipping(clipping);
    clipping.dispose();
    region.dispose();
    int[] ltt = drawCircle(circX + 1, circY + 1, radius, LEFT_TOP);
    System.arraycopy(ltt, 0, points, index, ltt.length);
    index += ltt.length;
    int[] lbb = drawCircle(circX + 1, circY + height - (radius * 2) - 2, radius, LEFT_BOTTOM);
    System.arraycopy(lbb, 0, points, index, lbb.length);
    index += lbb.length;
    int[] rb = drawCircle(circX + width - (radius * 2) - 2, circY + height - (radius * 2) - 2, radius, RIGHT_BOTTOM);
    System.arraycopy(rb, 0, points, index, rb.length);
    index += rb.length;
    int[] rt = drawCircle(circX + width - (radius * 2) - 2, circY + 1, radius, RIGHT_TOP);
    System.arraycopy(rt, 0, points, index, rt.length);
    index += rt.length;
    points[index++] = points[0];
    points[index++] = points[1];
    int[] tempPoints = new int[index];
    System.arraycopy(points, 0, tempPoints, 0, index);
    if (outerKeyline == null) {
        outerKeyline = gc.getDevice().getSystemColor(SWT.COLOR_BLACK);
    }
    gc.setForeground(outerKeyline);
    gc.drawPolyline(shape);
}

Example 5 with Region

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

the class RegionClippingTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    // array of coordinate points of polygon 1 (region 1)
    int[] polygon1 = new int[] { 10, height / 2, 9 * width / 16, 10, 9 * width / 16, height - 10 };
    Region region1 = new Region(device);
    region1.add(polygon1);
    // array of coordinate points of polygon 2 (region 2)
    int[] polygon2 = new int[] { 9 * width / 16, 10, 9 * width / 16, height / 8, 7 * width / 16, 2 * height / 8, 9 * width / 16, 3 * height / 8, 7 * width / 16, 4 * height / 8, 9 * width / 16, 5 * height / 8, 7 * width / 16, 6 * height / 8, 9 * width / 16, 7 * height / 8, 9 * width / 16, height - 10, width - 10, height / 2 };
    Region region2 = new Region(device);
    region2.add(polygon2);
    gc.setAlpha(127);
    int clippingIndex = clippingCb.getSelectionIndex();
    switch(clippingIndex) {
        case 0:
            // region 1
            gc.setClipping(region1);
            gc.setBackground(colorGB1.getBgColor1());
            gc.fillPolygon(polygon1);
            break;
        case 1:
            // region 2
            gc.setClipping(region2);
            gc.setBackground(colorGB2.getBgColor1());
            gc.fillPolygon(polygon2);
            break;
        case 2:
            // add
            region1.add(region2);
            break;
        case 3:
            // sub
            region1.subtract(region2);
            break;
        case 4:
            // intersect
            region1.intersect(region2);
            break;
    }
    if (clippingIndex > 1) {
        gc.setClipping(region1);
        gc.setBackground(colorGB1.getBgColor1());
        gc.fillPolygon(polygon1);
        gc.setBackground(colorGB2.getBgColor1());
        gc.fillPolygon(polygon2);
    }
    region1.dispose();
    region2.dispose();
}