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

Example 56 with Path

use of org.eclipse.swt.graphics.Path in project archi by archimatetool.

the class EquipmentFigure method drawCog.

/**
 * Draw a Cog with choosen number of "segments"
 */
protected void drawCog(Graphics graphics, Point center, int segments, int r1, int r2, int r3) {
    // Draw outer Cog
    PointList outer = new PointList();
    final double halfSeg = Math.PI / (2 * segments);
    final double delta = halfSeg / 4;
    for (int i = 0; i < segments; i++) {
        outer.addPoint(new PolarPoint(r2, 2 * Math.PI * i / segments - halfSeg).toAbsolutePoint(center));
        outer.addPoint(new PolarPoint(r3, 2 * Math.PI * i / segments - halfSeg + delta).toAbsolutePoint(center));
        outer.addPoint(new PolarPoint(r3, 2 * Math.PI * i / segments + halfSeg - delta).toAbsolutePoint(center));
        outer.addPoint(new PolarPoint(r2, 2 * Math.PI * i / segments + halfSeg).toAbsolutePoint(center));
    }
    graphics.drawPolygon(outer);
    // Draw inner circle
    Path path = new Path(null);
    path.addArc(center.x - r1, center.y - r1, 2 * r1, 2 * r1, 0, 360);
    graphics.drawPath(path);
    path.dispose();
}

Example 57 with Path

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

the class AdvancedGraphics method open.

public Shell open(final Display display) {
    final Shell shell = new Shell(display);
    // $NON-NLS-1$
    shell.setText(RESOURCE_BUNDLE.getString("AdvancedGraphics"));
    try {
        Path path = new Path(display);
        path.dispose();
    } catch (SWTException e) {
        MessageBox dialog = new MessageBox(shell, SWT.ICON_WARNING | SWT.OK);
        // $NON-NLS-1$
        dialog.setText(RESOURCE_BUNDLE.getString("Warning"));
        // $NON-NLS-1$
        dialog.setMessage(RESOURCE_BUNDLE.getString("LibNotFound"));
        dialog.open();
        shell.dispose();
        return null;
    }
    FontData fd = shell.getFont().getFontData()[0];
    final Font font = new Font(display, fd.getName(), 96, SWT.BOLD | SWT.ITALIC);
    final Image image = loadImage(display, AdvancedGraphics.class, "irmaos.jpg");
    final Rectangle rect = image.getBounds();
    shell.addListener(SWT.Paint, event -> {
        GC gc = event.gc;
        Transform tr = new Transform(display);
        tr.translate(rect.width / 4, rect.height / 2);
        tr.rotate(-30);
        if (image != null) {
            gc.drawImage(image, 0, 0, rect.width, rect.height, 0, 0, rect.width, rect.height);
        }
        gc.setAlpha(100);
        gc.setTransform(tr);
        Path path = new Path(display);
        path.addString("SWT", 0, 0, font);
        gc.setBackground(display.getSystemColor(SWT.COLOR_GREEN));
        gc.setForeground(display.getSystemColor(SWT.COLOR_BLUE));
        gc.fillPath(path);
        gc.drawPath(path);
        tr.dispose();
        path.dispose();
    });
    shell.setSize(shell.computeSize(rect.width, rect.height));
    shell.open();
    shell.addListener(SWT.Dispose, event -> {
        if (image != null)
            image.dispose();
        font.dispose();
    });
    return shell;
}

Example 58 with Path

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

the class BallTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    if (bc[0] == null) {
        bc[0] = new BallCollection(0, 0, 5, 5, 20, 20, new Color[] { device.getSystemColor(SWT.COLOR_GREEN) });
        bc[1] = new BallCollection(50, 300, 10, -5, 50, 10, new Color[] { device.getSystemColor(SWT.COLOR_BLUE) });
        bc[2] = new BallCollection(250, 100, -5, 8, 25, 12, new Color[] { device.getSystemColor(SWT.COLOR_RED) });
        bc[3] = new BallCollection(150, 400, 5, 8, 35, 14, new Color[] { device.getSystemColor(SWT.COLOR_BLACK) });
        bc[4] = new BallCollection(100, 250, -5, -18, 100, 5, new Color[] { device.getSystemColor(SWT.COLOR_MAGENTA) });
    }
    for (BallCollection ballCollection : bc) {
        for (int i = 0; i < ballCollection.prevx.size(); i++) {
            Transform transform = new Transform(device);
            transform.translate(ballCollection.prevx.get(ballCollection.prevx.size() - (i + 1)).floatValue(), ballCollection.prevy.get(ballCollection.prevy.size() - (i + 1)).floatValue());
            gc.setTransform(transform);
            transform.dispose();
            Path path = new Path(device);
            path.addArc(0, 0, ballCollection.ball_size, ballCollection.ball_size, 0, 360);
            gc.setAlpha(255 - i * (255 / ballCollection.capacity));
            gc.setBackground(ballCollection.colors[0]);
            gc.fillPath(path);
            gc.drawPath(path);
            path.dispose();
        }
    }
}

Example 59 with Path

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

the class CountDownTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    // diameter of the circle in pixels
    int diameter = ((width < height) ? width - 25 : height - 25);
    if (!getAnimation() && nextNumber == 0) {
        Font font = new Font(device, getPlatformFontFace(1), diameter / 2, SWT.NONE);
        gc.setFont(font);
        // display "SWT"
        gc.setForeground(device.getSystemColor(SWT.COLOR_DARK_BLUE));
        gc.setTextAntialias(SWT.ON);
        // determine the dimensions of the word
        String text = GraphicsExample.getResourceString("SWT");
        Point point = gc.stringExtent(text);
        int textWidth = point.x;
        int textHeight = point.y;
        gc.drawString(text, (width - textWidth) / 2, (height - textHeight) / 2, true);
        font.dispose();
    } else {
        Font font = new Font(device, getPlatformFontFace(0), 6 * diameter / 10, SWT.NONE);
        gc.setFont(font);
        // set attributes from controls
        gc.setLineWidth(lineWidthSpinner.getSelection());
        // round line ends
        gc.setLineCap(lineCap);
        // smooth jagged edges
        gc.setAntialias(antialias);
        // smooth jagged edges
        gc.setTextAntialias(antialias);
        // draw the circles
        Path path = new Path(device);
        path.addArc((width - diameter) / 2, (height - diameter) / 2, diameter, diameter, 0, 360);
        path.addArc((width - diameter + 50) / 2, (height - diameter + 50) / 2, diameter - 50, diameter - 50, 0, 360);
        gc.drawPath(path);
        gc.setBackground(device.getSystemColor(SWT.COLOR_RED));
        gc.fillPath(path);
        path.dispose();
        Point point = gc.stringExtent(Integer.valueOf(nextNumber).toString());
        int textWidth = point.x;
        int textHeight = point.y;
        // draw the number
        gc.drawString(Integer.valueOf(nextNumber).toString(), (width - textWidth) / 2, (height - textHeight) / 2, true);
        // draw the rotating arm
        Transform transform = new Transform(device);
        transform.translate(width / 2, height / 2);
        transform.rotate(angle);
        gc.setTransform(transform);
        gc.setForeground(device.getSystemColor(SWT.COLOR_RED));
        gc.drawLine(0, 0, diameter / 2, 0);
        transform.dispose();
        font.dispose();
    }
}

Example 60 with Path

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

the class CurvesTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    Font font = new Font(device, getPlatformFont(), 16, SWT.ITALIC);
    gc.setFont(font);
    gc.setLineWidth(5);
    Transform transform;
    // ----- cubic curve -----
    cubXPos = width / 5;
    cubYPos = height / 3;
    transform = new Transform(device);
    transform.translate(cubXPos, cubYPos);
    gc.setTransform(transform);
    transform.dispose();
    gc.setForeground(device.getSystemColor(SWT.COLOR_RED));
    gc.drawString(GraphicsExample.getResourceString("Cubic"), 25, -70, true);
    Path path = new Path(device);
    path.cubicTo(133 + cubDiffX1, -60 + cubDiffY1, 266 + cubDiffX2, 60 + cubDiffY2, 400 + cubEndDiffX, 0 + cubEndDiffY);
    gc.drawPath(path);
    path.dispose();
    gc.setTransform(null);
    gc.setForeground(device.getSystemColor(SWT.COLOR_DARK_BLUE));
    gc.drawRectangle(cubHndl1.x + (int) cubXPos, cubHndl1.y + (int) cubYPos, cubHndl1.width, cubHndl1.height);
    gc.drawRectangle(cubHndl2.x + (int) cubXPos, cubHndl2.y + (int) cubYPos, cubHndl2.width, cubHndl2.height);
    gc.drawRectangle(cubEndHndl.x + (int) cubXPos, cubEndHndl.y + (int) cubYPos, cubEndHndl.width, cubEndHndl.height);
    // ----- quadratic curve -----
    quadXPos = width / 5;
    quadYPos = 2 * height / 3;
    transform = new Transform(device);
    transform.translate(quadXPos, quadYPos);
    gc.setTransform(transform);
    transform.dispose();
    gc.setForeground(device.getSystemColor(SWT.COLOR_GREEN));
    gc.drawString(GraphicsExample.getResourceString("Quadratic"), 0, -50, true);
    path = new Path(device);
    path.quadTo(200 + quadDiffX, 150 + quadDiffY, 400 + quadEndDiffX, 0 + quadEndDiffY);
    gc.drawPath(path);
    path.dispose();
    gc.setTransform(null);
    gc.setForeground(device.getSystemColor(SWT.COLOR_GRAY));
    gc.drawRectangle(quadHndl.x + (int) quadXPos, quadHndl.y + (int) quadYPos, quadHndl.width, quadHndl.height);
    gc.drawRectangle(quadEndHndl.x + (int) quadXPos, quadEndHndl.y + (int) quadYPos, quadEndHndl.width, quadEndHndl.height);
    font.dispose();
}