org.eclipse.swt.widgets.Canvas.getClientArea()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中org.eclipse.swt.widgets.Canvas.getClientArea()方法的一些代码示例，展示了Canvas.getClientArea()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。Canvas.getClientArea()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Canvas
类名称：Canvas
方法名：getClientArea

Canvas.getClientArea介绍

暂无

代码示例

代码示例来源：origin: pentaho/pentaho-kettle

  1. protected Point getArea() {
  2.  org.eclipse.swt.graphics.Rectangle rect = canvas.getClientArea();
  3.  Point area = new Point( rect.width, rect.height );
  4.  return area;
  5. }

代码示例来源：origin: pentaho/pentaho-kettle

  1. gc.fillRectangle( canvas.getClientArea() );
  2. return;
  3. gc.fillRectangle( canvas.getClientArea() );
  4. gc.setBackgroundPattern( null );
  5. return;

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

  1. @Override
  2. public void paintControl(final PaintEvent e) {
  3.   if(clockDrawer != null) {
  4.     Rectangle rc = canvas.getClientArea();
  5.     clockDrawer.drawClock(date, rc.x, rc.y, rc.width, rc.height, e.gc);
  6.   }
  7. }

代码示例来源：origin: rinde/RinSim

  1. org.eclipse.swt.graphics.Point getCenteredOrigin() {
  2.  final Rectangle rect = image.getBounds();
  3.  final Rectangle client = canvas.getClientArea();
  4.  final int zeroX = client.x + client.width / 2 - rect.width / 2;
  5.  final int zeroY = client.y + client.height / 2 - rect.height / 2;
  6.  return new org.eclipse.swt.graphics.Point(origin.x + zeroX, origin.y
  7.   + zeroY);
  8. }

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.rwt

  1. public static void renderClientArea( Canvas canvas ) {
  2.  renderProperty( canvas, PROP_CLIENT_AREA, canvas.getClientArea(), null );
  3. }

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

  1. void scrollHorizontally(ScrollBar scrollBar) {
  2.   if (image == null) return;
  3.   Rectangle canvasBounds = imageCanvas.getClientArea();
  4.   int width = Math.round(imageData.width * xscale);
  5.   int height = Math.round(imageData.height * yscale);
  6.   if (width > canvasBounds.width) {
  7.     // Only scroll if the image is bigger than the canvas.
  8.     int x = -scrollBar.getSelection();
  9.     if (x + width < canvasBounds.width) {
  10.       // Don't scroll past the end of the image.
  11.       x = canvasBounds.width - width;
  12.     }
  13.     imageCanvas.scroll(x, iy, ix, iy, width, height, false);
  14.     ix = x;
  15.   }
  16. }

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

  1. void scrollVertically(ScrollBar scrollBar) {
  2.   if (image == null) return;
  3.   Rectangle canvasBounds = imageCanvas.getClientArea();
  4.   int width = Math.round(imageData.width * xscale);
  5.   int height = Math.round(imageData.height * yscale);
  6.   if (height > canvasBounds.height) {
  7.     // Only scroll if the image is bigger than the canvas.
  8.     int y = -scrollBar.getSelection();
  9.     if (y + height < canvasBounds.height) {
  10.       // Don't scroll past the end of the image.
  11.       y = canvasBounds.height - height;
  12.     }
  13.     imageCanvas.scroll(ix, y, ix, iy, width, height, false);
  14.     iy = y;
  15.   }
  16. }

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.rwt

  1. @Override
  2. void internalSetRedraw( boolean redraw ) {
  3.  super.internalSetRedraw( redraw );
  4.  if( redraw ) {
  5.   repaint( getClientArea() );
  6.  }
  7. }

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

  1. /**
  2.  * Scrolls the canvas horizontally.
  3.  *
  4.  * @param scrollBar
  5.  */
  6. void scrollHorizontal (ScrollBar scrollBar) {
  7.   Rectangle bounds = canvas.getClientArea();
  8.   int x = -scrollBar.getSelection();
  9.   if (x + maxX < bounds.width) {
  10.     x = bounds.width - maxX;
  11.   }
  12.   canvas.scroll(x, cy, cx, cy, maxX, maxY, false);
  13.   cx = x;
  14. }

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

  1. /**
  2.  * Scrolls the canvas vertically.
  3.  *
  4.  * @param scrollBar
  5.  */
  6. void scrollVertical (ScrollBar scrollBar) {
  7.   Rectangle bounds = canvas.getClientArea();
  8.   int y = -scrollBar.getSelection();
  9.   if (y + maxY < bounds.height) {
  10.     y = bounds.height - maxY;
  11.   }
  12.   canvas.scroll(cx, y, cx, cy, maxX, maxY, false);
  13.   cy = y;
  14. }

代码示例来源：origin: com.github.rinde/rinsim-pdptw

  1. @Override
  2.  public void paintControl(@Nullable PaintEvent e) {
  3.   assert e != null;
  4.   timelineBar.update(timeline.getWidth());
  5.   e.gc.setBackground(
  6.    e.display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
  7.   e.gc.fillRectangle(0, 0,
  8.    barCanvas.get().getClientArea().width,
  9.    barCanvas.get().getClientArea().height);
  10.   e.gc.drawImage(timelineBar.contents, origin.x, 0);
  11.   e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_RED));
  12.   e.gc.drawLine(origin.x + (int) (currentTime / TIME_PER_PIXEL),
  13.    FONT_SIZE, origin.x + (int) (currentTime / TIME_PER_PIXEL),
  14.    barCanvas.get().getClientArea().height);
  15.  }
  16. });

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.rwt

  1. @Override
  2. public void preserveValues( Canvas canvas ) {
  3.  WidgetLCAUtil.preserveBackgroundGradient( canvas );
  4.  WidgetLCAUtil.preserveRoundedBorder( canvas );
  5.  WidgetLCAUtil.preserveProperty( canvas, PROP_CLIENT_AREA, canvas.getClientArea() );
  6. }

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

  1. @Override
  2. public void handleEvent(Event e) {
  3.   Rectangle bounds = paletteCanvas.getClientArea();
  4.   Color color = getColorAt(bounds, e.x, e.y);
  5.   if (e.button == 1) setForegroundColor(color);
  6.   else setBackgroundColor(color);
  7. }
  8. private Color getColorAt(Rectangle bounds, int x, int y) {

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

  1. void scrollPalette(ScrollBar scrollBar) {
  2.   if (image == null) return;
  3.   Rectangle canvasBounds = paletteCanvas.getClientArea();
  4.   int paletteHeight = imageData.palette.getRGBs().length * 10 + 20;
  5.   if (paletteHeight > canvasBounds.height) {
  6.     // Only scroll if the palette is bigger than the canvas.
  7.     int y = -scrollBar.getSelection();
  8.     if (y + paletteHeight < canvasBounds.height) {
  9.       // Don't scroll past the end of the palette.
  10.       y = canvasBounds.height - paletteHeight;
  11.     }
  12.     paletteCanvas.scroll(0, y, 0, py, paletteWidth, paletteHeight, false);
  13.     py = y;
  14.   }
  15. }

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.rwt

  1. @Override
  2. void notifyResize( Point oldSize ) {
  3.  super.notifyResize( oldSize );
  4.  if( !oldSize.equals( getSize() ) ) {
  5.   repaint( getClientArea() );
  6.  }
  7. }

代码示例来源：origin: com.github.rinde/rinsim-problem

  1. @Override
  2.  public void paintControl(PaintEvent e) {
  3.   timeline.update();
  4.   e.gc.drawImage(timeline.contents, origin.x, origin.y);
  5.   e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_RED));
  6.   e.gc.drawLine(origin.x + (int) (currentTime / timeline.timePerPixel),
  7.     0, origin.x + (int) (currentTime / timeline.timePerPixel),
  8.     canvas.getClientArea().height);
  9.   hBar.setMaximum(timeline.getWidth() == 0 ? 1 : timeline.getWidth() + 20);
  10.   vBar.setMaximum(timeline.getHeight() + 5);
  11.   hBar.setThumb(Math.min(timeline.getWidth() + 20,
  12.     canvas.getClientArea().width));
  13.   vBar.setThumb(Math.min(timeline.getHeight() + 5,
  14.     canvas.getClientArea().height));
  15.  }
  16. });

代码示例来源：origin: rinde/RinSim

  1. void updateScrollbars(boolean adaptToScrollbar) {
  2.  final Rectangle rect = image.getBounds();
  3.  final Rectangle client = canvas.getClientArea();
  4.  hBar.setMaximum(rect.width);
  5.  vBar.setMaximum(rect.height);
  6.  hBar.setThumb(Math.min(rect.width, client.width));
  7.  vBar.setThumb(Math.min(rect.height, client.height));
  8.  if (!adaptToScrollbar) {
  9.   final org.eclipse.swt.graphics.Point center = getCenteredOrigin();
  10.   hBar.setSelection(-center.x);
  11.   vBar.setSelection(-center.y);
  12.  }
  13. }

代码示例来源：origin: BiglySoftware/BiglyBT

  1. @Override
  2.   public void handleEvent(Event e) {
  3.     Rectangle clientArea = ((Canvas) e.widget).getClientArea();
  4.     e.gc.setForeground(Colors.getSystemColor(e.display, SWT.COLOR_WIDGET_NORMAL_SHADOW));
  5.     e.gc.drawRectangle(clientArea);
  6.     clientArea.y++;
  7.     e.gc.setForeground(Colors.getSystemColor(e.display, SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW));
  8.     e.gc.drawRectangle(clientArea);
  9.   }
  10. });

代码示例来源：origin: BiglySoftware/BiglyBT

  1. @Override
  2.   public void handleEvent(Event e) {
  3.     Rectangle clientArea = ((Canvas) e.widget).getClientArea();
  4.     e.gc.setForeground(Colors.getSystemColor(e.display, SWT.COLOR_WIDGET_NORMAL_SHADOW));
  5.     e.gc.drawRectangle(clientArea);
  6.     clientArea.y++;
  7.     e.gc.setForeground(Colors.getSystemColor(e.display, SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW));
  8.     e.gc.drawRectangle(clientArea);
  9.   }
  10. });

代码示例来源：origin: com.github.rinde/rinsim-problem

  1. @Override
  2.  public void paintControl(PaintEvent e) {
  3.   timelineBar.update(timeline.getWidth());
  4.   e.gc.drawImage(timelineBar.contents, origin.x, 0);
  5.   e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_RED));
  6.   e.gc.drawLine(origin.x + (int) (currentTime / timeline.timePerPixel),
  7.     10, origin.x + (int) (currentTime / timeline.timePerPixel),
  8.     barCanvas.getClientArea().height);
  9.  }
  10. });

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