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

Example 6 with Pattern

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

the class GraphicsExample method createCanvas.

void createCanvas(Composite parent) {
    int style = SWT.NO_BACKGROUND;
    if (dbItem.getSelection())
        style |= SWT.DOUBLE_BUFFERED;
    canvas = new Canvas(parent, style);
    canvas.addListener(SWT.Paint, event -> {
        GC gc = event.gc;
        Rectangle rect = canvas.getClientArea();
        Device device = gc.getDevice();
        Pattern pattern = null;
        if (background.getBgColor1() != null) {
            if (background.getBgColor2() != null) {
                // gradient
                pattern = new Pattern(device, 0, 0, rect.width, rect.height, background.getBgColor1(), background.getBgColor2());
                gc.setBackgroundPattern(pattern);
            } else {
                // solid color
                gc.setBackground(background.getBgColor1());
            }
        } else if (background.getBgImage() != null) {
            // image
            pattern = new Pattern(device, background.getBgImage());
            gc.setBackgroundPattern(pattern);
        }
        gc.fillRectangle(rect);
        GraphicsTab tab = getTab();
        if (tab != null)
            tab.paint(gc, rect.width, rect.height);
        if (pattern != null)
            pattern.dispose();
    });
}

Example 7 with Pattern

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

the class Bulb method paintClientArea.

@Override
protected void paintClientArea(Graphics graphics) {
    graphics.setAntialias(SWT.ON);
    if (effect3D && GraphicsUtil.testPatternSupported(graphics)) {
        // Fills the circle with solid bulb color
        graphics.setBackgroundColor(bulbColor);
        graphics.fillOval(bounds);
        // diagonal linear gradient
        Pattern p = GraphicsUtil.createScaledPattern(graphics, Display.getCurrent(), bounds.x, bounds.y, bounds.x + getWidth(), bounds.y + getHeight(), COLOR_WHITE, 255, bulbColor, 0);
        try {
            graphics.setBackgroundPattern(p);
            graphics.fillOval(bounds);
            p.dispose();
        } catch (Exception e) {
            p.dispose();
        }
    } else {
        graphics.setBackgroundColor(bulbColor);
        graphics.fillOval(bounds);
    }
    super.paintClientArea(graphics);
}

Example 8 with Pattern

use of org.eclipse.swt.graphics.Pattern in project nebula.widgets.nattable by eclipse.

the class BackgroundImagePainter method paintCell.

@Override
public void paintCell(ILayerCell cell, GC gc, Rectangle rectangle, IConfigRegistry configRegistry) {
    if (this.bgImage != null) {
        // Save GC settings
        Color originalBackground = gc.getBackground();
        Color originalForeground = gc.getForeground();
        Pattern pattern = new Pattern(Display.getCurrent(), this.bgImage);
        gc.setBackgroundPattern(pattern);
        gc.fillRectangle(rectangle);
        gc.setBackgroundPattern(null);
        pattern.dispose();
        if (isNotNull(this.separatorColor)) {
            gc.setForeground(this.separatorColor);
            gc.drawLine(rectangle.x - 1, rectangle.y, rectangle.x - 1, rectangle.y + rectangle.height);
            gc.drawLine(rectangle.x - 1 + rectangle.width, rectangle.y, rectangle.x - 1 + rectangle.width, rectangle.y + rectangle.height);
        }
        // Restore original GC settings
        gc.setBackground(originalBackground);
        gc.setForeground(originalForeground);
    }
    // Draw interior
    Rectangle interiorBounds = new Rectangle(rectangle.x + 2, rectangle.y + 2, rectangle.width - 4, rectangle.height - 4);
    super.paintCell(cell, gc, interiorBounds, configRegistry);
}

Example 9 with Pattern

use of org.eclipse.swt.graphics.Pattern in project nebula.widgets.nattable by eclipse.

the class PercentageBarDecorator method paintCell.

@Override
public void paintCell(ILayerCell cell, GC gc, Rectangle rectangle, IConfigRegistry configRegistry) {
    Pattern originalBackgroundPattern = gc.getBackgroundPattern();
    double factor = Math.min(1.0, ((Number) cell.getDataValue()).doubleValue());
    factor = Math.max(0.0, factor);
    Rectangle bar = new Rectangle(rectangle.x, rectangle.y, (int) (rectangle.width * factor), rectangle.height);
    Color color1 = CellStyleUtil.getCellStyle(cell, configRegistry).getAttributeValue(PERCENTAGE_BAR_COMPLETE_REGION_START_COLOR);
    Color color2 = CellStyleUtil.getCellStyle(cell, configRegistry).getAttributeValue(PERCENTAGE_BAR_COMPLETE_REGION_END_COLOR);
    if (color1 == null) {
        color1 = DEFAULT_COMPLETE_REGION_START_COLOR;
    }
    if (color2 == null) {
        color2 = DEFAULT_COMPLETE_REGION_END_COLOR;
    }
    Pattern pattern = new Pattern(Display.getCurrent(), rectangle.x, rectangle.y, rectangle.x + rectangle.width, rectangle.y + rectangle.height, color1, color2);
    gc.setBackgroundPattern(pattern);
    gc.fillRectangle(bar);
    gc.setBackgroundPattern(originalBackgroundPattern);
    pattern.dispose();
    Color incompleteRegionColor = CellStyleUtil.getCellStyle(cell, configRegistry).getAttributeValue(PERCENTAGE_BAR_INCOMPLETE_REGION_COLOR);
    if (incompleteRegionColor != null) {
        Region incompleteRegion = new Region();
        incompleteRegion.add(rectangle);
        incompleteRegion.subtract(bar);
        Color originalBackgroundColor = gc.getBackground();
        gc.setBackground(incompleteRegionColor);
        gc.fillRectangle(incompleteRegion.getBounds());
        gc.setBackground(originalBackgroundColor);
        incompleteRegion.dispose();
    }
    super.paintCell(cell, gc, rectangle, configRegistry);
}

Example 10 with Pattern

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

the class EllipseFigure method fillShape.

@Override
protected void fillShape(Graphics graphics) {
    if (support3D == null) {
        support3D = GraphicsUtil.testPatternSupported(graphics);
    }
    var figureBounds = getClientArea();
    if (!transparent) {
        graphics.pushState();
        if (isEnabled()) {
            graphics.setBackgroundColor(getBackgroundColor());
        }
        Pattern pattern = null;
        if (gradient && support3D && isEnabled()) {
            pattern = setGradientPattern(graphics, figureBounds, backGradientStartColor, getBackgroundColor());
        }
        graphics.fillOval(figureBounds);
        if (pattern != null) {
            pattern.dispose();
        }
        graphics.popState();
    }
    if (getFill() > 0) {
        Rectangle fillRectangle;
        if (horizontalFill) {
            var newW = (int) Math.round(figureBounds.width * (getFill() / 100));
            fillRectangle = new Rectangle(figureBounds.x, figureBounds.y, newW, figureBounds.height);
        } else {
            var newH = (int) Math.round(figureBounds.height * (getFill() / 100));
            fillRectangle = new Rectangle(figureBounds.x, figureBounds.y + figureBounds.height - newH, figureBounds.width, newH);
        }
        graphics.pushState();
        graphics.setClip(fillRectangle);
        if (isEnabled()) {
            graphics.setBackgroundColor(getForegroundColor());
        }
        Pattern pattern = null;
        if (gradient && support3D && isEnabled()) {
            pattern = setGradientPattern(graphics, figureBounds, foreGradientStartColor, getForegroundColor());
        }
        graphics.fillOval(figureBounds);
        if (pattern != null) {
            pattern.dispose();
        }
        graphics.popState();
    }
}