org.eclipse.swt.graphics.GC.copyArea()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.eclipse.swt.graphics.GC.copyArea()方法的一些代码示例，展示了GC.copyArea()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。GC.copyArea()方法的具体详情如下：
包路径：org.eclipse.swt.graphics.GC
类名称：GC
方法名：copyArea

GC.copyArea介绍

[英]Copies a rectangular area of the receiver at the source position onto the receiver at the destination position.
[中]将源位置接收器的矩形区域复制到目标位置的接收器上。

代码示例

代码示例来源：origin: stackoverflow.com

final Image image = new Image(display, browser.getBounds());
GC gc = new GC(browser);
gc.copyArea(image, 0, 0);
gc.dispose();

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.swt.win32.win32.x86

/**
 * Copies a rectangular area of the receiver at the source
 * position onto the receiver at the destination position.
 *
 * @param srcX the x coordinate in the receiver of the area to be copied
 * @param srcY the y coordinate in the receiver of the area to be copied
 * @param width the width of the area to copy
 * @param height the height of the area to copy
 * @param destX the x coordinate in the receiver of the area to copy to
 * @param destY the y coordinate in the receiver of the area to copy to
 *
 * @exception SWTException <ul>
 *    <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
 * </ul>
 */
public void copyArea (int srcX, int srcY, int width, int height, int destX, int destY) {
  copyArea (srcX, srcY, width, height, destX, destY, true);
}

代码示例来源：origin: org.eclipse.swt.cocoa.macosx/x86_64

/**
 * Copies a rectangular area of the receiver at the source
 * position onto the receiver at the destination position.
 *
 * @param srcX the x coordinate in the receiver of the area to be copied
 * @param srcY the y coordinate in the receiver of the area to be copied
 * @param width the width of the area to copy
 * @param height the height of the area to copy
 * @param destX the x coordinate in the receiver of the area to copy to
 * @param destY the y coordinate in the receiver of the area to copy to
 *
 * @exception SWTException <ul>
 *    <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
 * </ul>
 */
public void copyArea(int srcX, int srcY, int width, int height, int destX, int destY) {
  copyArea(srcX, srcY, width, height, destX, destY, true);
}
/**

代码示例来源：origin: org.piccolo2d/piccolo2d-swt

/**
 * Copies the image to the specified position.
 * 
 * @param img swt image to be copied
 * @param x x component of position
 * @param y y component of position
 */
public void copyArea(final org.eclipse.swt.graphics.Image img, final double x, final double y) {
  TEMP_POINT.setLocation(x, y);
  transform.transform(TEMP_POINT, TEMP_POINT);
  gc.copyArea(img, (int) (TEMP_POINT.getX() + 0.5), (int) (TEMP_POINT.getY() + 0.5));
}

代码示例来源：origin: stackoverflow.com

Image image = new Image(e.display, 1, 1);
GC gc = new GC((Canvas)e.widget);
gc.copyArea(image, e.x, e.y);

代码示例来源：origin: stackoverflow.com

Tree myWidget = treeViewer.getTree();
  Point size = myWidget.getSize();
  Image image = new Image(display, size.x, size.y);
  GC gc = new GC(myWidget);
  gc.copyArea(image, 0, 0);
  gc.dispose();

  // Get the ImageData and create a new printer Image from it
  ImageData imageData = image.getImageData();
  Image printImage = new Image(printer, imageData);

http://www.eclipse.org/swt/faq.php#noprintimage

代码示例来源：origin: org.piccolo2d/piccolo2d-swt

/** {@inheritDoc} */
public void copyArea(final int x, final int y, final int width, final int height, final int dx, final int dy) {
  TEMP_RECT.setRect(x, y, width, height);
  SWTShapeManager.transform(TEMP_RECT, transform);
  TEMP_POINT.setLocation(dx, dy);
  transform.transform(TEMP_POINT, TEMP_POINT);
  gc.copyArea((int) TEMP_RECT.getX(), (int) TEMP_RECT.getY(), (int) TEMP_RECT.getWidth(), (int) TEMP_RECT
      .getHeight(), (int) TEMP_POINT.getX(), (int) TEMP_POINT.getY());
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.ui.workbench

private void captureImages() {
  for (Iterator iterator = getStartRects().iterator(); iterator.hasNext();) {
    Rectangle rect = (Rectangle) iterator.next();
    Image image = new Image(display, rect.width, rect.height);
    GC gc = new GC(backingStore);
    gc.copyArea(image, rect.x, rect.y);
    gc.dispose();
    ImageCanvas canvas = new ImageCanvas(theShell, SWT.BORDER
        | SWT.NO_BACKGROUND, image);
    controls.add(canvas);
  }
}

代码示例来源：origin: stackoverflow.com

gc.copyArea(image, this.getShell().getBounds().x, this.getShell().getBounds().y);
gc.dispose();

代码示例来源：origin: stackoverflow.com

GC gc = new GC(viewer.getControl());
Rectangle bounds = viewer.getControl().getBounds();
Image image = new Image(viewer.getControl().getDisplay(), bounds);
try {
  gc.copyArea(image, 0, 0);
  ImageLoader imageLoader = new ImageLoader();
  imageLoader.data = new ImageData[] { image.getImageData() };
  imageLoader.save("c:\\out.png", SWT.IMAGE_PNG);
} finally {
  image.dispose();
  gc.dispose();
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

void onScrollVertical (Event event) {
  ScrollBar vBar = getVerticalBar ();
  if (vBar == null) return;
  int newSelection = vBar.getSelection ();
  update ();
  GC gc = new GC (this);
  gc.copyArea (
    0, 0,
    clientArea.width, clientArea.height,
    0, (topIndex - newSelection) * itemHeight);
  gc.dispose ();
  topIndex = newSelection;
}
void onSpace () {

代码示例来源：origin: org.eclipse.mylyn.commons/screenshots

public void run() {
    disposeImageResources();
    Rectangle displayBounds = display.getBounds();
    originalImage = new Image(display, displayBounds.width, displayBounds.height);
    workImage = new Image(display, displayBounds.width, displayBounds.height);
    GC gc = new GC(display);
    gc.copyArea(originalImage, displayBounds.x, displayBounds.y);
    gc.copyArea(workImage, displayBounds.x, displayBounds.y);
    gc.dispose();
    workImageGC = new GC(workImage);
    workImageGC.setLineCap(SWT.CAP_ROUND);
    scrolledComposite.setEnabled(true);
    clearSelection();
    refreshCanvasSize();
    wizardShell.setVisible(true);
    stateChanged();
  }
});

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

void onArrowLeft (int stateMask) {
  if (horizontalOffset == 0) return;
  int newSelection = Math.max (0, horizontalOffset - SIZE_HORIZONTALSCROLL);
  update ();
  GC gc = new GC (this);
  gc.copyArea (
    0, 0,
    clientArea.width, clientArea.height,
    horizontalOffset - newSelection, 0);
  gc.dispose ();
  if (header.getVisible ()) {
    header.update ();
    Rectangle headerClientArea = header.getClientArea ();
    gc = new GC (header);
    gc.copyArea (
      0, 0,
      headerClientArea.width, headerClientArea.height,
      horizontalOffset - newSelection, 0);
    gc.dispose();
  }
  horizontalOffset = newSelection;
  ScrollBar hBar = getHorizontalBar ();
  if (hBar != null) hBar.setSelection (horizontalOffset);
}
void onArrowRight (int stateMask) {

代码示例来源：origin: org.xworker/xworker_swt

public static ClipScreen create(){
  //获取display
  Display display = Display.getCurrent();
  boolean closeDisplayOnEnd = false;
  if(display == null){
    display = new Display();
    closeDisplayOnEnd = true;
  }
  
  //截取屏幕
  Rectangle screenREc = display.getBounds();
  Image screenImage = new Image(display, screenREc.width, screenREc.height);
  GC gc = new GC(display);
  gc.copyArea(screenImage, 0, 0);
  gc.dispose();
  
  ClipScreen dialog = new ClipScreen(display, screenImage, closeDisplayOnEnd);
  return dialog;
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.examples

void onScrollHorizontal (Event event) {
  ScrollBar hBar = getHorizontalBar ();
  if (hBar == null) return;
  int newSelection = hBar.getSelection ();
  update ();
  if (itemsCount > 0) {
    GC gc = new GC (this);
    gc.copyArea (
      0, 0,
      clientArea.width, clientArea.height,
      horizontalOffset - newSelection, 0);
    gc.dispose ();
  } else {
    redraw ();    /* ensure that static focus rectangle updates properly */
  }

  if (drawCount <= 0 && header.isVisible ()) {
    header.update ();
    Rectangle headerClientArea = header.getClientArea ();
    GC gc = new GC (header);
    gc.copyArea (
      0, 0,
      headerClientArea.width, headerClientArea.height,
      horizontalOffset - newSelection, 0);
    gc.dispose ();
  }
  horizontalOffset = newSelection;
}
void onScrollVertical (Event event) {

代码示例来源：origin: org.eclipse.platform/org.eclipse.ui.workbench

@Override
  public void initialize(AnimationEngine engine) {
    display = getAnimationShell().getDisplay();

    Rectangle psRect = getAnimationShell().getBounds();
    theShell = new Shell(getAnimationShell(), SWT.NO_TRIM | SWT.ON_TOP);
    theShell.setBounds(getAnimationShell().getBounds());

    // Capture the background image
    backingStore = new Image(theShell.getDisplay(), psRect);
    GC gc = new GC(display);
    gc.copyArea(backingStore, psRect.x, psRect.y);
    gc.dispose();
//        changeCoordinates();
//        captureImages();
    theShell.setBackgroundImage(backingStore);
    theShell.setVisible(true);
    display.update();

  }

代码示例来源：origin: BiglySoftware/BiglyBT

private void updateGraph(CLabelPadding label, Image img,
    long newVal, long[] max) {
  GC gc = new GC(img);
  try {
   long val = newVal;
   Rectangle bounds = img.getBounds();
   final int padding = 2;
   int x = bounds.width - padding - padding;
   if (val > max[0]) {
     int y = 20 - (int) (max[0] * 20 / val);
     gc.setBackground(label.getBackground());
     gc.fillRectangle(padding, 0, x, y);
     // gc.drawImage(imgRec, 1, 0, x, 20, 0, y, x, 20 - y);
     gc.copyArea(padding + 1, 0, x, 20, padding, y);
     max[0] = val;
   } else {
     gc.copyArea(padding + 1, 0, x, 20, padding, 0);
     // gc.drawImage(imgRec, 1, 0, x, 20, 0, 0, x, 20);
   }
   gc.setForeground(label.getBackground());
   int breakPoint = 20 - (max[0] == 0 ? 0
       : (int) (val * 20 / max[0]));
   gc.drawLine(x, 0, x, breakPoint);
   gc.setForeground(Colors.blues[5]);
   gc.drawLine(x, breakPoint, x, 20);
  } finally {
   gc.dispose();
  }
  label.redraw();
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.ui.workbench

@Override
public void initialize(AnimationEngine engine) {
  Rectangle psRect = getBaseShell().getBounds();
  getAnimationShell().setBounds(psRect);
  // Capture the background image
  Display display = getBaseShell().getDisplay();
  backingStore = new Image(display, psRect);
  GC gc = new GC(display);
  // gc.copyArea(backingStore, psRect.x, psRect.y);
  gc.copyArea(backingStore, psRect.x, psRect.y);
  gc.dispose();
  getAnimationShell().setAlpha(254);
  getAnimationShell().setBackgroundImage(backingStore);
  getAnimationShell().setVisible(true);
}

代码示例来源：origin: org.eclipse.xtext/ui

public void freeze() {
  release();
  if (sourceViewer instanceof SourceViewer) {
    Control viewerControl = ((SourceViewer) sourceViewer).getControl();
    if (viewerControl instanceof Composite) {
      Composite composite = (Composite) viewerControl;
      Display display = composite.getDisplay();
      // Flush pending redraw requests:
      while (!display.isDisposed() && display.readAndDispatch()) {
      }
      // Copy editor area:
      GC gc = new GC(composite);
      Point size;
      try {
        size = composite.getSize();
        image = new Image(gc.getDevice(), size.x, size.y);
        gc.copyArea(image, 0, 0);
      } finally {
        gc.dispose();
        gc = null;
      }
      // Persist editor area while executing refactoring:
      label = new Label(composite, SWT.NONE);
      label.setImage(image);
      label.setBounds(0, 0, size.x, size.y);
      label.moveAbove(null);
    }
  }
}

代码示例来源：origin: org.xworker/xworker_swt

gc.copyArea(screenImage, x, y);
gc.dispose();

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