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

Example 26 with Region

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

the class Marker method disposeHovers.

/**
     * Disposes the hovers.
     */
private void disposeHovers() {
    for (Shell hover : hovers.values()) {
        Region region = hover.getRegion();
        if (region != null) {
            region.dispose();
        }
        hover.dispose();
    }
    hovers.clear();
    texts.clear();
    if (lineHover != null && !lineHover.isDisposed()) {
        lineHover.setVisible(false);
    }
}

Example 27 with Region

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

the class Marker method configureHover.

/**
     * Configures the hover.
     * 
     * @param hover The hover
     * @param text The hover text
     * @param x The x coordinate in pixels
     * @param y The y coordinate in pixels
     * @param showBelow <tt>true</tt> to show hover below data point
     */
private void configureHover(Shell hover, String text, final int x, int y, boolean showBelow) {
    // set size
    Point textExtent = getExtent(hover, text);
    Point hoverSize = new Point(textExtent.x + MARGIN * 2 + OFFSET * 2, textExtent.y + OFFSET * 2);
    hover.setSize(hoverSize);
    // set location
    //        boolean showOnRight = Display.getDefault().map(chart.getPlotArea(), null, x + hoverSize.x, y).x < (Display.getDefault()
    //                .getBounds().width - x);
    boolean showOnRight = chart.getPlotArea().getSize().x - hoverSize.x > x;
    int hoverX = showOnRight ? x : x - hoverSize.x;
    int hoverY = showBelow ? y : y - hoverSize.y;
    hover.setLocation(chart.getPlotArea().toDisplay(hoverX, hoverY));
    // set region
    Region region = hover.getRegion();
    if (region != null) {
        region.dispose();
    }
    region = getHoverRegion(textExtent, showOnRight, showBelow);
    hover.setRegion(region);
    hover.redraw();
    hover.setVisible(true);
}

Example 28 with Region

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

the class KNIMECTabFolderRenderer method drawTabBody.

void drawTabBody(final GC gc, final Rectangle bounds, final int state) {
    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 = Math.max(parent.getTabHeight() + INNER_KEYLINE + OUTER_KEYLINE + (shadowEnabled ? BOTTOM_DROP_WIDTH : 0), 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;
    // Body
    index = 0;
    int[] ltt = drawCircle(circX, circY, radius, LEFT_TOP);
    System.arraycopy(ltt, 0, points, index, ltt.length);
    index += ltt.length;
    int[] lbb = drawCircle(circX, circY + height - (radius * 2), radius, LEFT_BOTTOM);
    System.arraycopy(lbb, 0, points, index, lbb.length);
    index += lbb.length;
    int[] rb = drawCircle(circX + width - (radius * 2), circY + height - (radius * 2), radius, RIGHT_BOTTOM);
    System.arraycopy(rb, 0, points, index, rb.length);
    index += rb.length;
    int[] rt = drawCircle(circX + width - (radius * 2), circY, radius, RIGHT_TOP);
    System.arraycopy(rt, 0, points, index, rt.length);
    index += rt.length;
    points[index++] = circX;
    points[index++] = circY - radius;
    int[] tempPoints = new int[index];
    System.arraycopy(points, 0, tempPoints, 0, index);
    gc.fillPolygon(tempPoints);
    // Fill in parent background for non-rectangular shape
    Region r = new Region();
    r.add(bounds);
    r.subtract(tempPoints);
    gc.setBackground(parent.getParent().getBackground());
    Display display = parent.getDisplay();
    Region clipping = new Region();
    gc.getClipping(clipping);
    r.intersect(clipping);
    gc.setClipping(r);
    Rectangle mappedBounds = display.map(parent, parent.getParent(), bounds);
    parent.getParent().drawBackground(gc, bounds.x, bounds.y, bounds.width, bounds.height, mappedBounds.x, mappedBounds.y);
    // Shadow
    if (shadowEnabled) {
        drawShadow(display, bounds, gc);
    }
    gc.setClipping(clipping);
    clipping.dispose();
    r.dispose();
    // Remember for use in header drawing
    shape = tempPoints;
}

Example 29 with Region

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

the class Test_org_eclipse_swt_graphics_Region method test_equalsLjava_lang_Object.

@Test
public void test_equalsLjava_lang_Object() {
    Rectangle rect1 = new Rectangle(25, 100, 200, 780);
    Rectangle rect2 = new Rectangle(30, 105, 205, 785);
    Region reg1 = new Region(display);
    reg1.add(rect1);
    Region reg2 = reg1;
    if (!reg1.equals(reg2)) {
        reg1.dispose();
        reg2.dispose();
        fail("references to the same instance of Region should be considered equal");
    }
    reg2 = new Region(display);
    reg2.add(rect1);
    // Currently, Regions are only "equal" if they have the same handle.
    // This is so that identical objects are properly hashed.
    // We are considering adding a new method that will compare Regions for the same area.
    // if (!reg1.equals(reg2)) {
    // reg1.dispose();
    // reg2.dispose();
    // fail("two instances of Region representing the same area should be considered equal");
    // }
    reg2.dispose();
    reg2 = new Region(display);
    if (reg1.equals(reg2)) {
        reg1.dispose();
        reg2.dispose();
        fail("Non empty region considered equal to empty one");
    }
    reg2.add(rect2);
    if (reg1.equals(reg2)) {
        reg1.dispose();
        reg2.dispose();
        fail("two different regions considered equal");
    }
    reg1.dispose();
    reg2.dispose();
}

Example 30 with Region

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

the class Test_org_eclipse_swt_graphics_Region method test_addLorg_eclipse_swt_graphics_Rectangle.

@Test
public void test_addLorg_eclipse_swt_graphics_Rectangle() {
    Region reg = new Region(display);
    // add a rectangle
    reg.add(new Rectangle(0, 0, 100, 50));
    // add a second rectangle
    reg.add(new Rectangle(200, 200, 10, 10));
    try {
        reg.add((Rectangle) null);
        fail("no exception thrown for adding a null rectangle");
    } catch (IllegalArgumentException e) {
    }
    reg.dispose();
    try {
        reg.add(new Rectangle(20, 30, 10, 5));
        fail("no exception thrown for adding a rectangle after Region got disposed");
    } catch (SWTException e) {
    }
}