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

Example 1 with Transform

use of org.eclipse.swt.graphics.Transform in project translationstudio8 by heartsome.

the class GridLayerPrinter method print.

public void print(final Shell shell) {
    final Printer printer = setupPrinter(shell);
    if (printer == null) {
        return;
    }
    setGridLayerSize(printer.getPrinterData());
    Display.getDefault().asyncExec(new Runnable() {

        public void run() {
            if (printer.startJob("NatTable")) {
                final Rectangle printerClientArea = computePrintArea(printer);
                final Point scaleFactor = computeScaleFactor(printer);
                final Point pageCount = getPageCount(printer);
                GC gc = new GC(printer);
                // Print pages Left to Right and then Top to Down
                int currentPage = 1;
                for (int verticalPageNumber = 0; verticalPageNumber < pageCount.y; verticalPageNumber++) {
                    for (int horizontalPageNumber = 0; horizontalPageNumber < pageCount.x; horizontalPageNumber++) {
                        // Calculate bounds for the next page
                        Rectangle printBounds = new Rectangle((printerClientArea.width / scaleFactor.x) * horizontalPageNumber, ((printerClientArea.height - FOOTER_HEIGHT_IN_PRINTER_DPI) / scaleFactor.y) * verticalPageNumber, printerClientArea.width / scaleFactor.x, (printerClientArea.height - FOOTER_HEIGHT_IN_PRINTER_DPI) / scaleFactor.y);
                        if (shouldPrint(printer.getPrinterData(), currentPage)) {
                            printer.startPage();
                            Transform printerTransform = new Transform(printer);
                            // Adjust for DPI difference between display and printer
                            printerTransform.scale(scaleFactor.x, scaleFactor.y);
                            // Adjust for margins
                            printerTransform.translate(printerClientArea.x / scaleFactor.x, printerClientArea.y / scaleFactor.y);
                            // Grid will nor automatically print the pages at the left margin.
                            // Example: page 1 will print at x = 0, page 2 at x = 100, page 3 at x = 300
                            // Adjust to print from the left page margin. i.e x = 0
                            printerTransform.translate(-1 * printBounds.x, -1 * printBounds.y);
                            gc.setTransform(printerTransform);
                            printGrid(gc, printBounds);
                            printFooter(gc, currentPage, printBounds);
                            printer.endPage();
                            printerTransform.dispose();
                        }
                        currentPage++;
                    }
                }
                printer.endJob();
                gc.dispose();
                printer.dispose();
            }
            restoreGridLayerState();
        }

        private void printGrid(GC gc, Rectangle printBounds) {
            gridLayer.getLayerPainter().paintLayer(gridLayer, gc, 0, 0, printBounds, configRegistry);
        }

        private void printFooter(GC gc, int totalPageCount, Rectangle printBounds) {
            gc.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_BLACK));
            gc.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
            gc.drawLine(printBounds.x, printBounds.y + printBounds.height + 10, printBounds.x + printBounds.width, printBounds.y + printBounds.height + 10);
            gc.drawText("Page " + totalPageCount, printBounds.x, printBounds.y + printBounds.height + 15);
            // Approximate width of the date string: 140
            gc.drawText(footerDate, printBounds.x + printBounds.width - 140, printBounds.y + printBounds.height + 15);
        }
    });
}

Example 2 with Transform

use of org.eclipse.swt.graphics.Transform 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 3 with Transform

use of org.eclipse.swt.graphics.Transform 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 4 with Transform

use of org.eclipse.swt.graphics.Transform 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);
}

Example 5 with Transform

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

the class CurvesSWTTab 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(2);
    Transform transform;
    // ----- letter s -----
    sXPos = 4 * width / 16;
    sYPos = (height - 150) / 2;
    transform = new Transform(device);
    transform.translate(sXPos, sYPos);
    gc.setTransform(transform);
    transform.dispose();
    gc.setForeground(device.getSystemColor(SWT.COLOR_DARK_BLUE));
    gc.drawString(GraphicsExample.getResourceString("Cubic"), 0, 175, true);
    Path path = new Path(device);
    path.cubicTo(-200 + sDiffX1, 50 + sDiffY1, 200 + sDiffX2, 100 + sDiffY2, 0, 150);
    gc.drawPath(path);
    path.dispose();
    // draw the spline points
    gc.setTransform(null);
    gc.drawRectangle(sRect1.x + (int) sXPos, sRect1.y + (int) sYPos, sRect1.width, sRect1.height);
    gc.drawRectangle(sRect2.x + (int) sXPos, sRect2.y + (int) sYPos, sRect2.width, sRect2.height);
    // ----- letter w -----
    wXPos = 6 * width / 16;
    wYPos = (height - 150) / 2;
    transform = new Transform(device);
    transform.translate(wXPos, wYPos);
    gc.setTransform(transform);
    transform.dispose();
    gc.setForeground(device.getSystemColor(SWT.COLOR_GRAY));
    gc.drawString(GraphicsExample.getResourceString("Quadratic"), 0, -50, true);
    gc.drawString(GraphicsExample.getResourceString("Quadratic"), 110, -50, true);
    path = new Path(device);
    path.quadTo(100 + wDiffX1, 300 + wDiffY1, 100, 0);
    path.quadTo(100 + wDiffX2, 300 + wDiffY2, 200, 0);
    gc.drawPath(path);
    path.dispose();
    gc.setTransform(null);
    gc.drawRectangle(wRect1.x + (int) wXPos, wRect1.y + (int) wYPos, wRect1.width, wRect1.height);
    gc.drawRectangle(wRect2.x + (int) wXPos, wRect2.y + (int) wYPos, wRect2.width, wRect2.height);
    // ----- top of letter t -----
    topTXPos = 11 * width / 16;
    topTYPos = (height - 150) / 2;
    transform = new Transform(device);
    transform.translate(topTXPos, topTYPos);
    gc.setTransform(transform);
    transform.dispose();
    gc.setForeground(device.getSystemColor(SWT.COLOR_YELLOW));
    gc.drawString(GraphicsExample.getResourceString("Cubic"), 25, -50, true);
    path = new Path(device);
    path.cubicTo(33 + tTopDiffX1, -20 + tTopDiffY1, 66 + tTopDiffX2, 20 + tTopDiffY2, 100, 0);
    gc.drawPath(path);
    path.dispose();
    gc.setTransform(null);
    gc.drawRectangle(tTopRect1.x + (int) topTXPos, tTopRect1.y + (int) topTYPos, tTopRect1.width, tTopRect1.height);
    gc.drawRectangle(tTopRect2.x + (int) topTXPos, tTopRect2.y + (int) topTYPos, tTopRect2.width, tTopRect2.height);
    // ----- vertical bar of letter t -----
    botTXPos = 12 * width / 16;
    botTYPos = (height - 150) / 2;
    transform = new Transform(device);
    transform.translate(botTXPos, botTYPos);
    gc.setTransform(transform);
    transform.dispose();
    gc.setForeground(device.getSystemColor(SWT.COLOR_RED));
    gc.drawString(GraphicsExample.getResourceString("Cubic"), 0, 175, true);
    path = new Path(device);
    path.cubicTo(-33 + tBotDiffX1, 50 + tBotDiffY1, 33 + tBotDiffX2, 100 + tBotDiffY2, 0, 150);
    gc.drawPath(path);
    path.dispose();
    gc.setTransform(null);
    gc.drawRectangle(tBottomRect1.x + (int) botTXPos, tBottomRect1.y + (int) botTYPos, tBottomRect1.width, tBottomRect1.height);
    gc.drawRectangle(tBottomRect2.x + (int) botTXPos, tBottomRect2.y + (int) botTYPos, tBottomRect2.width, tBottomRect2.height);
    font.dispose();
}