本文整理了Java中org.eclipse.swt.graphics.GC.getAlpha()方法的一些代码示例，展示了GC.getAlpha()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.getAlpha()方法的具体详情如下：
包路径：org.eclipse.swt.graphics.GC
类名称：GC
方法名：getAlpha

GC.getAlpha介绍

[英]Returns the receiver's alpha value. The alpha value is between 0 (transparent) and 255 (opaque).
[中]返回接收器的alpha值。alpha值介于0（透明）和255（不透明）之间。

代码示例

代码示例来源：origin: pentaho/pentaho-kettle

public int getAlpha() {
 return gc.getAlpha();
}

代码示例来源：origin: pentaho/pentaho-kettle

public int getAlpha() {
 return gc.getAlpha();
}

代码示例来源：origin: com.eclipsesource.tabris/tabris

private void doDispatch() {
 int lineWidth = gc.getLineWidth();
 Color foreground = gc.getForeground();
 int alpha = gc.getAlpha();
 dispatchOperations();
 restoreLastSettings( lineWidth, foreground, alpha );
}

代码示例来源：origin: stefanhaustein/flowgrid

public static void drawHalo(GC gc, int x, int y, int r, Color color) {
    Color background = gc.getBackground();
    int alpha = gc.getAlpha();
    gc.setAlpha(127);
    gc.setBackground(color);
    gc.fillOval(x - r, y - r, 2 * r, 2 * r);
    gc.setAlpha(alpha);
    gc.setBackground(background);
  }
}

代码示例来源：origin: BiglySoftware/BiglyBT

private void draw(GC gc,float x,float y,float h,DHTControlContact contact,int distance,float error) {
 if(x == 0 && y == 0) return;
 if(error > 1) error = 1;
 int errDisplay = (int) (100 * error);
 int x0 = scale.getX(x,y);
 int y0 = scale.getY(x,y);
 Image img = ImageRepository.getCountryFlag( contact.getTransportContact().getTransportAddress().getAddress(), true );
 if ( img != null ){
   Rectangle bounds = img.getBounds();
   int old = gc.getAlpha();
   gc.setAlpha( 150 );
   gc.drawImage( img, x0-bounds.width/2, y0-bounds.height);
   gc.setAlpha( old );
 }
 gc.fillRectangle(x0-1,y0-1,3,3);
 //int elevation =(int) ( 200*h/(scale.maxY-scale.minY));
 //gc.drawLine(x0,y0,x0,y0-elevation);
 //String text = /*contact.getTransportContact().getAddress().getAddress().getHostAddress() + " (" + */distance + " ms \nerr:"+errDisplay+"%";
 String text = /*contact.getTransportContact().getAddress().getAddress().getHostAddress() + " (" + */distance + " ms "+errDisplay+"%";
 int lineReturn = text.indexOf("\n");
 int xOffset = gc.getFontMetrics().getAverageCharWidth() * (lineReturn != -1 ? lineReturn:text.length()) / 2;
 gc.drawText(text,x0-xOffset,y0,true);
 currentPositions.add( new Object[]{ x0, y0, h, contact, x, y, distance });
}

代码示例来源：origin: BiglySoftware/BiglyBT

@Override
public void cellPaint(GC gc, TableCellSWT cell) {
 Object ds = cell.getDataSource();
 if (!(ds instanceof TorrentOpenFileOptions)) {
   return;
 }
 TorrentOpenFileOptions tfi = (TorrentOpenFileOptions) ds;
 float pct = tfi.lSize / (float) tfi.parent.getTorrent().getSize();
 Rectangle bounds = cell.getBounds();
  bounds.width = (int) (bounds.width * pct);
  if (bounds.width > 2) {
    bounds.x++;
    bounds.y++;
    bounds.height -= 2;
    bounds.width -= 2;
   gc.setBackground(gc.getForeground());
   int alpha = gc.getAlpha();
   gc.setAlpha(10);
   gc.fillRectangle(bounds);
   gc.setAlpha(alpha);
  }
}

代码示例来源：origin: BiglySoftware/BiglyBT

&& gc.getAlpha() == 255) {
clipping = gc.getClipping();
gc.setAdvanced(false);

代码示例来源：origin: com.googlecode.gstreamer-java/gstreamer-java

if (alpha != gc.getAlpha())
  gc.setAlpha(alpha);

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

private void handleDrawRequest(GC gc, int x, int y, int w, int h) {
  int startLine= fTextWidget.getLineIndex(y);
  int endLine= fTextWidget.getLineIndex(y + h - 1);
  if (startLine <= endLine && startLine < fTextWidget.getLineCount()) {
    // avoid painting into the margins:
    Rectangle clipping= gc.getClipping();
    Rectangle clientArea= fTextWidget.getClientArea();
    int leftMargin= fTextWidget.getLeftMargin();
    int rightMargin= fTextWidget.getRightMargin();
    clientArea.x+= leftMargin;
    clientArea.width-= leftMargin + rightMargin;
    clipping.intersect(clientArea);
    gc.setClipping(clientArea);
    if (fIsAdvancedGraphicsPresent) {
      int alpha= gc.getAlpha();
      gc.setAlpha(fAlpha);
      drawLineRange(gc, startLine, endLine, x, w);
      gc.setAlpha(alpha);
    } else {
      drawLineRange(gc, startLine, endLine, x, w);
    }
    gc.setClipping(clipping);
  }
}

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

private void handleDrawRequest(GC gc, int x, int y, int w, int h) {
  int startLine= fTextWidget.getLineIndex(y);
  int endLine= fTextWidget.getLineIndex(y + h - 1);
  if (startLine <= endLine && startLine < fTextWidget.getLineCount()) {
    
    // avoid painting into the margins:
    Rectangle clipping= gc.getClipping();
    Rectangle clientArea= fTextWidget.getClientArea();
    int leftMargin= fTextWidget.getLeftMargin();
    int rightMargin= fTextWidget.getRightMargin();
    clientArea.x+= leftMargin;
    clientArea.width-= leftMargin + rightMargin;
    clipping.intersect(clientArea);
    gc.setClipping(clientArea);
    if (fIsAdvancedGraphicsPresent) {
      int alpha= gc.getAlpha();
      gc.setAlpha(fAlpha);
      drawLineRange(gc, startLine, endLine, x, w);
      gc.setAlpha(alpha);
    } else {
      drawLineRange(gc, startLine, endLine, x, w);
    }
    gc.setClipping(clipping);
  }
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.e4.ui.css.swt

final int oldAlpha = gc.getAlpha();

代码示例来源：origin: BiglySoftware/BiglyBT

byte proficiency = columnInfo.getProficiency();
if (proficiency > 0 && proficiency < profText.length) {
  int alpha = gc.getAlpha();
  gc.setAlpha(0xA0);
  GCStringPrinter.printString(gc,

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

int alpha = gc.getAlpha();
try{
  int linesTyle = gc.getLineStyle();

代码示例来源：origin: BiglySoftware/BiglyBT

int alpha = gc.getAlpha();
gc.setAlpha(0x40);
sp.printString(gc, cellBounds, style);

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

int oldAlpha = gc.getAlpha ();
boolean oldAdvanced = gc.getAdvanced ();
int oldAntialias = gc.getAntialias ();