org.eclipse.swt.widgets.Canvas.getBackground()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.getBackground()方法的一些代码示例，展示了Canvas.getBackground()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.getBackground()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.Canvas
类名称：Canvas
方法名：getBackground

Canvas.getBackground介绍

暂无

代码示例

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. /**
  2.  * Returns a color based on the color configured for the given annotation type and the given scale factor.
  3.  *
  4.  * @param annotationType the annotation type
  5.  * @param scale the scale factor
  6.  * @return the computed color
  7.  */
  8. private Color getColor(Object annotationType, double scale) {
  9.   Color base= findColor(annotationType);
  10.   if (base == null)
  11.     return null;
  12.   RGB baseRGB= base.getRGB();
  13.   RGB background= fCanvas.getBackground().getRGB();
  14.   boolean darkBase= isDark(baseRGB);
  15.   boolean darkBackground= isDark(background);
  16.   if (darkBase && darkBackground)
  17.     background= new RGB(255, 255, 255);
  18.   else if (!darkBase && !darkBackground)
  19.     background= new RGB(0, 0, 0);
  20.   return fSharedTextColors.getColor(interpolate(baseRGB, background, scale));
  21. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. /**
  2.  * Returns a color based on the color configured for the given annotation type and the given scale factor.
  3.  *
  4.  * @param annotationType the annotation type
  5.  * @param scale the scale factor
  6.  * @return the computed color
  7.  */
  8. private Color getColor(Object annotationType, double scale) {
  9.   Color base= findColor(annotationType);
  10.   if (base == null)
  11.     return null;
  12.   RGB baseRGB= base.getRGB();
  13.   RGB background= fCanvas.getBackground().getRGB();
  14.   boolean darkBase= isDark(baseRGB);
  15.   boolean darkBackground= isDark(background);
  16.   if (darkBase && darkBackground)
  17.     background= new RGB(255, 255, 255);
  18.   else if (!darkBase && !darkBackground)
  19.     background= new RGB(0, 0, 0);
  20.   return fSharedTextColors.getColor(interpolate(baseRGB, background, scale));
  21. }

代码示例来源：origin: BiglySoftware/BiglyBT

  1. gc.setBackground(canvas.getBackground());
  2.   gc.fillRectangle(imgHaveAll.getBounds());
  3.   gc.setBackground(canvas.getBackground());
  4.   gc.fillRectangle(imgNoHave.getBounds());
  5. int iRow = 0;
  6. if (clearImage) {
  7.   gc.setBackground(canvas.getBackground());
  8.   gc.fillRectangle(bounds);

代码示例来源：origin: org.eclipse/org.eclipse.compare

  1. int w2= w/2;
  2. g.setBackground(canvas.getBackground());
  3. g.fillRectangle(x, 0, w, size.y);

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. /**
  2.  * Double buffer drawing.
  3.  *
  4.  * @param dest the GC to draw into
  5.  */
  6. private void doubleBufferPaint(GC dest) {
  7.   Point size= fCanvas.getSize();
  8.   if (size.x <= 0 || size.y <= 0)
  9.     return;
  10.   if (fBuffer != null) {
  11.     Rectangle r= fBuffer.getBounds();
  12.     if (r.width != size.x || r.height != size.y) {
  13.       fBuffer.dispose();
  14.       fBuffer= null;
  15.     }
  16.   }
  17.   if (fBuffer == null)
  18.     fBuffer= new Image(fCanvas.getDisplay(), size.x, size.y);
  19.   GC gc= new GC(fBuffer);
  20.   try {
  21.     gc.setBackground(fCanvas.getBackground());
  22.     gc.fillRectangle(0, 0, size.x, size.y);
  23.     cacheAnnotations();
  24.     doPaint(gc);
  25.   } finally {
  26.     gc.dispose();
  27.   }
  28.   dest.drawImage(fBuffer, 0, 0);
  29. }

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. /**
  2.  * Double buffer drawing.
  3.  *
  4.  * @param dest the GC to draw into
  5.  */
  6. private void doubleBufferPaint(GC dest) {
  7.   Point size= fCanvas.getSize();
  8.   if (size.x <= 0 || size.y <= 0)
  9.     return;
  10.   if (fBuffer != null) {
  11.     Rectangle r= fBuffer.getBounds();
  12.     if (r.width != size.x || r.height != size.y) {
  13.       fBuffer.dispose();
  14.       fBuffer= null;
  15.     }
  16.   }
  17.   if (fBuffer == null)
  18.     fBuffer= new Image(fCanvas.getDisplay(), size.x, size.y);
  19.   GC gc= new GC(fBuffer);
  20.   try {
  21.     gc.setBackground(fCanvas.getBackground());
  22.     gc.fillRectangle(0, 0, size.x, size.y);
  23.     cacheAnnotations();
  24.     doPaint(gc);
  25.   } finally {
  26.     gc.dispose();
  27.   }
  28.   dest.drawImage(fBuffer, 0, 0);
  29. }

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. gc.setFont(fCachedTextWidget.getFont());
  2. try {
  3.   gc.setBackground(fCanvas.getBackground());
  4.   gc.fillRectangle(0, 0, size.x, size.y);

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. gc.setFont(fCachedTextWidget.getFont());
  2. try {
  3.   gc.setBackground(fCanvas.getBackground());
  4.   gc.fillRectangle(0, 0, size.x, size.y);

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

  1. int w2= w/2;
  2. g.setBackground(canvas.getBackground());
  3. g.fillRectangle(x, 0, w, size.y);

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface.text

  1. gc.setFont(fTextViewer.getTextWidget().getFont());
  2. try {
  3.   gc.setBackground(fCanvas.getBackground());
  4.   gc.fillRectangle(0, 0, size.x, size.y);

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface.text

  1. gc.setFont(fTextViewer.getTextWidget().getFont());
  2. try {
  3.   gc.setBackground(fCanvas.getBackground());
  4.   gc.fillRectangle(0, 0, size.x, size.y);

代码示例来源：origin: BiglySoftware/BiglyBT

  1. @Override
  2.   public void run() {
  3.     if(!canvas.isDisposed() && images != null) {
  4.       currentImage++;
  5.       if(currentImage >= images.length) {
  6.         currentImage = 0;
  7.       }
  8.       if(currentImage < images.length) {
  9.         Image image = images[currentImage];
  10.         if(image != null && !image.isDisposed()) {
  11.           Rectangle imageBounds = image.getBounds();
  12.           Image tempImage = new Image(canvas.getDisplay(),new Rectangle( 0, 0, imageBounds.width, imageBounds.height ));
  13.           GC gcImage = new GC(tempImage);
  14.           gcImage.setBackground( canvas.getBackground());
  15.           gcImage.fillRectangle( new Rectangle( 0, 0, imageBounds.width, imageBounds.width ));
  16.           gcImage.drawImage(image, 0, 0 );
  17.           GC gc = new GC(canvas);
  18.           Point canvasSize = canvas.getSize();
  19.           gc.drawImage( tempImage, (canvasSize.x-imageBounds.width)/2, (canvasSize.y-imageBounds.height)/2);
  20.           tempImage.dispose();
  21.           gcImage.dispose();
  22.           gc.dispose();
  23.         }
  24.       }
  25.     }
  26.   }
  27. });

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

  1. display.syncExec(() -> canvasBackground = imageCanvas.getBackground());

代码示例来源：origin: org.eclipse/org.eclipse.compare

  1. int w= size.x;
  2. g.setBackground(canvas.getBackground());
  3. g.fillRectangle(x+1, 0, w-2, size.y);

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

  1. int w= size.x;
  2. g.setBackground(canvas.getBackground());
  3. g.fillRectangle(x+1, 0, w-2, size.y);

代码示例来源：origin: BiglySoftware/BiglyBT

  1. gcImg.setBackground(peerInfoCanvas.getBackground());
  2. gcImg.fillRectangle(0, 0, bounds.width, iNeededHeight);

代码示例来源：origin: BiglySoftware/BiglyBT

  1. gcImg.setBackground(fileInfoCanvas.getBackground());
  2. gcImg.fillRectangle(0, 0, bounds.width, bounds.height);

代码示例来源：origin: BiglySoftware/BiglyBT

  1. gcImg.setBackground(pieceInfoCanvas.getBackground());
  2. gcImg.fillRectangle(0, 0, bounds.width, iNeededHeight);
  3.   gcImg.setBackground(pieceInfoCanvas.getBackground());
  4.   gcImg.fillRectangle(iCol * BLOCK_SIZE, iRow * BLOCK_SIZE, BLOCK_SIZE,
  5.       BLOCK_SIZE);

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