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

Example 6 with Device

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

the class ImageTransformTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    Image image = GraphicsExample.loadImage(device, GraphicsExample.class, "ace_club.jpg");
    Transform transform = new Transform(device);
    // scale image
    transform.scale(scaleSpinnerX.getSelection() / 100f, scaleSpinnerY.getSelection() / 100f);
    // translate image
    transform.translate(translateSpinnerX.getSelection(), translateSpinnerY.getSelection());
    // rotate on center of image
    Rectangle rect = image.getBounds();
    transform.translate(rect.width / 2, rect.height / 2);
    transform.rotate(rotateSpinner.getSelection());
    transform.translate(-rect.width / 2, -rect.height / 2);
    if (invertButton.getSelection()) {
        transform.invert();
    }
    gc.setTransform(transform);
    gc.drawImage(image, 0, 0);
    transform.dispose();
    image.dispose();
}

Example 7 with Device

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

the class MazeTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    Device device = gc.getDevice();
    if (image == null) {
        image = example.loadImage(device, "maze.bmp");
    }
    // draw maze
    Rectangle bounds = image.getBounds();
    int x = (width - bounds.width) / 2;
    int y = (height - bounds.height) / 2;
    gc.drawImage(image, x, y);
    // draw correct oval
    gc.setBackground(device.getSystemColor(SWT.COLOR_RED));
    gc.fillOval(x + xcoord, y + ycoord, 16, 16);
    gc.drawOval(x + xcoord, y + ycoord, 15, 15);
    // draw wrong oval 1
    gc.setBackground(device.getSystemColor(SWT.COLOR_BLUE));
    gc.fillOval(x + xcoord2, y + ycoord2, 16, 16);
    gc.drawOval(x + xcoord2, y + ycoord2, 15, 15);
    // draw wrong oval 2
    gc.setBackground(device.getSystemColor(SWT.COLOR_GREEN));
    gc.fillOval(x + xcoord3, y + ycoord3, 16, 16);
    gc.drawOval(x + xcoord3, y + ycoord3, 15, 15);
    if (isDone2) {
        Image helpImg = example.loadImage(device, "help.gif");
        gc.drawImage(helpImg, x + xcoord2 + 16, y + ycoord2 - 16);
        helpImg.dispose();
    }
    if (isDone3) {
        Image helpImg = example.loadImage(device, "help.gif");
        gc.drawImage(helpImg, x + xcoord3 + 16, y + ycoord3 - 16);
        helpImg.dispose();
    }
}

Example 8 with Device

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

the class PathTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    Pattern pattern = null;
    if (fillColor.getBgColor1() != null) {
        gc.setBackground(fillColor.getBgColor1());
    } else if (fillColor.getBgImage() != null) {
        pattern = new Pattern(device, fillColor.getBgImage());
        gc.setBackgroundPattern(pattern);
    }
    gc.setLineWidth(5);
    gc.setForeground(device.getSystemColor(SWT.COLOR_BLACK));
    // arc
    Path path = new Path(device);
    path.addArc((width - 250) / 2, (height - 400) / 2, 500, 400, 90, 180);
    if (closeButton.getSelection())
        path.close();
    if (fillButton.getSelection())
        gc.fillPath(path);
    if (drawButton.getSelection())
        gc.drawPath(path);
    path.dispose();
    // shape on left
    Transform transform = new Transform(device);
    transform.translate((width - 250) / 4, height / 2 - 150);
    gc.setTransform(transform);
    transform.dispose();
    path = new Path(device);
    path.cubicTo(-150, 100, 150, 200, 0, 300);
    if (closeButton.getSelection())
        path.close();
    if (fillButton.getSelection())
        gc.fillPath(path);
    if (drawButton.getSelection())
        gc.drawPath(path);
    path.dispose();
    gc.setTransform(null);
    // shape on right
    path = new Path(device);
    path.moveTo(3 * (width - 250) / 4 - 25 + 250, height / 2);
    path.lineTo(3 * (width - 250) / 4 + 50 + 250, height / 2 - 200);
    path.lineTo(3 * (width - 250) / 4 + 50 + 250, height / 2 + 50);
    path.lineTo(3 * (width - 250) / 4 - 25 + 250, height / 2 + 150);
    path.lineTo(3 * (width - 250) / 4 + 25 + 250, height / 2 + 50);
    if (closeButton.getSelection())
        path.close();
    if (fillButton.getSelection())
        gc.fillPath(path);
    if (drawButton.getSelection())
        gc.drawPath(path);
    path.dispose();
    if (pattern != null)
        pattern.dispose();
}

Example 9 with Device

use of org.eclipse.swt.graphics.Device 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();
}

Example 10 with Device

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

the class CardsTab method paint.

@Override
public void paint(GC gc, int width, int height) {
    if (!example.checkAdvancedGraphics())
        return;
    Device device = gc.getDevice();
    if (ace_club == null) {
        ace_club = GraphicsExample.loadImage(device, GraphicsExample.class, "ace_club.jpg");
        ace_spade = GraphicsExample.loadImage(device, GraphicsExample.class, "ace_spade.jpg");
        ace_diamond = GraphicsExample.loadImage(device, GraphicsExample.class, "ace_diamond.jpg");
        ace_hearts = GraphicsExample.loadImage(device, GraphicsExample.class, "ace_hearts.jpg");
    }
    clubWidth = ace_club.getBounds().width;
    diamondWidth = ace_diamond.getBounds().width;
    heartWidth = ace_hearts.getBounds().width;
    spadeHeight = ace_spade.getBounds().height;
    Transform transform;
    // ace of clubs
    transform = new Transform(device);
    transform.translate((int) movClubX, (int) movClubY);
    transform.scale(scaleWidth, scaleWidth);
    // rotate on center of image
    Rectangle rect = ace_club.getBounds();
    transform.translate(rect.width / 2, rect.height / 2);
    transform.rotate(rotationAngle);
    transform.translate(-rect.width / 2, -rect.height / 2);
    gc.setTransform(transform);
    transform.dispose();
    gc.drawImage(ace_club, 0, 0);
    // ace of diamonds
    transform = new Transform(device);
    transform.translate((int) movDiamondX, (int) movDiamondY);
    transform.scale(scaleWidth, scaleWidth);
    gc.setTransform(transform);
    transform.dispose();
    gc.drawImage(ace_diamond, 0, 0);
    // ace of hearts
    transform = new Transform(device);
    transform.translate(movHeart, height / 2);
    transform.scale(heartScale, 0.5f * scale);
    gc.setTransform(transform);
    transform.dispose();
    gc.drawImage(ace_hearts, 0, 0);
    // ace of spades
    transform = new Transform(device);
    transform.translate(movSpade, movSpade);
    transform.scale(0.5f * scale, spadeScale);
    gc.setTransform(transform);
    transform.dispose();
    gc.drawImage(ace_spade, 0, 0);
}