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

Example 61 with Path

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

the class GraphicAntialiasTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    if (ovalColorGB != null && ovalColorGB.getBgColor1() != null)
        gc.setBackground(ovalColorGB.getBgColor1());
    gc.setAntialias(aliasValues[aliasCombo.getSelectionIndex()]);
    Path path = new Path(device);
    float offsetX = 2 * width / 3f, offsetY = height / 3f;
    for (int i = 0; i < 25; i++) {
        path.addArc(offsetX - (50 * i), offsetY - (25 * i), 50 + (100 * i), 25 + (50 * i), 0, 360);
    }
    gc.fillPath(path);
    path.dispose();
}

Example 62 with Path

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

the class GraphicsExample method checkAdvancedGraphics.

boolean checkAdvancedGraphics() {
    if (advanceGraphicsInit)
        return advanceGraphics;
    advanceGraphicsInit = true;
    Display display = parent.getDisplay();
    try {
        Path path = new Path(display);
        path.dispose();
    } catch (SWTException e) {
        Shell shell = display.getActiveShell(), newShell = null;
        if (shell == null)
            shell = newShell = new Shell(display);
        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();
        if (newShell != null)
            newShell.dispose();
        return false;
    }
    return advanceGraphics = true;
}

Example 63 with Path

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

the class LineJoinTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    gc.setLineWidth(20);
    gc.setLineJoin(joinValues[joinCb.getSelectionIndex()]);
    // set the foreground color or pattern
    Pattern pattern = null;
    if (shapeColor.getBgColor1() != null) {
        gc.setForeground(shapeColor.getBgColor1());
    } else if (shapeColor.getBgImage() != null) {
        pattern = new Pattern(device, shapeColor.getBgImage());
        gc.setForegroundPattern(pattern);
    }
    // draw the shape
    Path path = new Path(device);
    path.moveTo(width / 2, 25);
    path.lineTo(2 * width / 3, height / 3);
    path.lineTo(width - 25, height / 2);
    path.lineTo(2 * width / 3, 2 * height / 3);
    path.lineTo(width / 2, height - 25);
    path.lineTo(width / 3, 2 * height / 3);
    path.lineTo(25, height / 2);
    path.lineTo(width / 3, height / 3);
    path.lineTo(width / 2, 25);
    path.close();
    gc.drawPath(path);
    path.dispose();
    if (pattern != null)
        pattern.dispose();
}

Example 64 with Path

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

the class PathClippingAnimTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    // top triangle
    Path path = new Path(device);
    path.moveTo(width / 2, 0);
    path.lineTo(width / 2 + 100, 173);
    path.lineTo(width / 2 - 100, 173);
    path.lineTo(width / 2, 0);
    // bottom triangle
    Path path2 = new Path(device);
    path2.moveTo(width / 2, height);
    path2.lineTo(width / 2 + 100, height - 173);
    path2.lineTo(width / 2 - 100, height - 173);
    path2.lineTo(width / 2, height);
    // left triangle
    Path path3 = new Path(device);
    path3.moveTo(0, height / 2);
    path3.lineTo(173, height / 2 - 100);
    path3.lineTo(173, height / 2 + 100);
    path3.lineTo(0, height / 2);
    // right triangle
    Path path4 = new Path(device);
    path4.moveTo(width, height / 2);
    path4.lineTo(width - 173, height / 2 - 100);
    path4.lineTo(width - 173, height / 2 + 100);
    path4.lineTo(width, height / 2);
    // circle
    Path path5 = new Path(device);
    path5.moveTo((width - 200) / 2, (height - 200) / 2);
    path5.addArc((width - 200) / 2, (height - 200) / 2, 200, 200, 0, 360);
    // top rectangle
    Path path6 = new Path(device);
    path6.addRectangle((width - 40) / 2, 175, 40, ((height - 200) / 2) - 177);
    // bottom rectangle
    Path path7 = new Path(device);
    path7.addRectangle((width - 40) / 2, ((height - 200) / 2) + 202, 40, (height - 175) - (((height - 200) / 2) + 202));
    // left rectangle
    Path path8 = new Path(device);
    path8.addRectangle(175, (height - 40) / 2, ((width - 200) / 2) - 177, 40);
    // right rectangle
    Path path9 = new Path(device);
    path9.addRectangle((width - 200) / 2 + 202, (height - 40) / 2, (width - 175) - ((width - 200) / 2 + 202), 40);
    path.addPath(path2);
    path.addPath(path3);
    path.addPath(path4);
    path.addPath(path5);
    path.addPath(path6);
    path.addPath(path7);
    path.addPath(path8);
    path.addPath(path9);
    gc.setClipping(path);
    Pattern pattern = null;
    if (background.getBgColor1() != null) {
        gc.setBackground(background.getBgColor1());
    } else if (background.getBgImage() != null) {
        pattern = new Pattern(device, background.getBgImage());
        gc.setBackgroundPattern(pattern);
    }
    gc.setLineWidth(2);
    gc.fillRectangle((width - rectWidth) / 2, (height - rectHeight) / 2, rectWidth, rectHeight);
    gc.drawPath(path);
    if (pattern != null)
        pattern.dispose();
    path9.dispose();
    path8.dispose();
    path7.dispose();
    path6.dispose();
    path5.dispose();
    path4.dispose();
    path3.dispose();
    path2.dispose();
    path.dispose();
}

Example 65 with Path

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

the class PathClippingTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    int clipping = clippingCb.getSelectionIndex();
    switch(clipping) {
        case // circles
        0:
            Path path = new Path(device);
            path.addArc((width - width / 5) / 2, (height - height / 5) / 2, width / 5, height / 5, 0, 360);
            path.addArc(5 * (width - width / 8) / 12, 4 * (height - height / 8) / 12, width / 8, height / 8, 0, 360);
            path.addArc(7 * (width - width / 8) / 12, 8 * (height - height / 8) / 12, width / 8, height / 8, 0, 360);
            path.addArc(6 * (width - width / 12) / 12, 3 * (height - height / 12) / 12, width / 12, height / 12, 0, 360);
            path.addArc(6 * (width - width / 12) / 12, 9 * (height - height / 12) / 12, width / 12, height / 12, 0, 360);
            path.addArc(11.5f * (width - width / 18) / 20, 5 * (height - height / 18) / 18, width / 18, height / 18, 0, 360);
            path.addArc(8.5f * (width - width / 18) / 20, 13 * (height - height / 18) / 18, width / 18, height / 18, 0, 360);
            gc.setClipping(path);
            path.dispose();
            break;
        case // rectangle
        1:
            path = new Path(device);
            path.addRectangle(100, 100, width - 200, height - 200);
            path.addRectangle(120, 120, width - 240, height - 240);
            path.addRectangle(140, 140, width - 280, height - 280);
            gc.setClipping(path);
            path.dispose();
            break;
        case // circle
        2:
            path = new Path(device);
            path.addArc(100, 100, width - 200, height - 200, 0, 360);
            path.addArc((width - width / 5) / 2, (height - height / 5) / 2, width / 5, height / 5, 0, 360);
            path.addArc(5 * (width - width / 8) / 12, 4 * (height - height / 8) / 12, width / 8, height / 8, 0, 360);
            path.addArc(7 * (width - width / 8) / 12, 8 * (height - height / 8) / 12, width / 8, height / 8, 0, 360);
            path.addArc(6 * (width - width / 12) / 12, 3 * (height - height / 12) / 12, width / 12, height / 12, 0, 360);
            path.addArc(6 * (width - width / 12) / 12, 9 * (height - height / 12) / 12, width / 12, height / 12, 0, 360);
            path.addArc(11.5f * (width - width / 18) / 20, 5 * (height - height / 18) / 18, width / 18, height / 18, 0, 360);
            path.addArc(8.5f * (width - width / 18) / 20, 13 * (height - height / 18) / 18, width / 18, height / 18, 0, 360);
            gc.setClipping(path);
            path.dispose();
            break;
        case // word
        3:
            path = new Path(device);
            // $NON-NLS-1$
            String text = GraphicsExample.getResourceString("SWT");
            Font font = new Font(device, "Times", 200, SWT.NORMAL);
            gc.setFont(font);
            Point size = gc.stringExtent(text);
            path.addString(text, (width - size.x) / 2, (height - size.y) / 2, font);
            font.dispose();
            gc.setClipping(path);
            path.dispose();
            break;
        case // star
        4:
            path = new Path(device);
            path.lineTo(width / 2, 0);
            path.lineTo(5 * width / 8, height / 3);
            path.lineTo(width, height / 3);
            path.lineTo(3 * width / 4, 10 * height / 16);
            path.lineTo(7 * width / 8, height);
            path.lineTo(width / 2, 3 * height / 4);
            path.lineTo(width / 8, height);
            path.lineTo(width / 4, 10 * height / 16);
            path.lineTo(0, height / 3);
            path.lineTo(3 * width / 8, height / 3);
            path.lineTo(width / 2, 0);
            Path ovalPath = new Path(device);
            ovalPath.addArc(90, 90, width - 180, height - 180, 0, 360);
            path.addPath(ovalPath);
            gc.setClipping(path);
            ovalPath.dispose();
            path.dispose();
            break;
        case // triangles
        5:
            path = new Path(device);
            path.addRectangle(0, 0, width, height);
            path.lineTo(width / 4, 0);
            path.lineTo(width / 4, height / 2);
            path.lineTo(0, height / 2);
            path.lineTo(width / 4, 0);
            Path path2 = new Path(device);
            path2.lineTo(width / 2, 0);
            path2.lineTo(width / 4, height / 2);
            path2.lineTo(3 * width / 4, height / 2);
            path2.lineTo(width / 2, 0);
            Path path3 = new Path(device);
            path3.lineTo(3 * width / 4, 0);
            path3.lineTo(3 * width / 4, height / 2);
            path3.lineTo(width, height / 2);
            path3.lineTo(3 * width / 4, 0);
            Path path4 = new Path(device);
            path4.lineTo(0, height);
            path4.lineTo(width / 4, height / 2);
            path4.lineTo(width / 2, height);
            path4.lineTo(0, height);
            Path path5 = new Path(device);
            path5.lineTo(width / 2, height);
            path5.lineTo(3 * width / 4, height / 2);
            path5.lineTo(width, height);
            path5.lineTo(width / 2, height);
            path.addPath(path2);
            path.addPath(path3);
            path.addPath(path4);
            path.addPath(path5);
            gc.setClipping(path);
            path5.dispose();
            path4.dispose();
            path3.dispose();
            path2.dispose();
            path.dispose();
            break;
        case // default
        6:
            gc.setClipping(0, 0, width, height);
            break;
    }
    Pattern pattern = null;
    if (background.getBgColor1() != null) {
        gc.setBackground(background.getBgColor1());
    } else if (background.getBgImage() != null) {
        pattern = new Pattern(device, background.getBgImage());
        gc.setBackgroundPattern(pattern);
    }
    gc.fillRectangle(0, 0, width, height);
    if (pattern != null)
        pattern.dispose();
}