Пример #1
0
 /** Opens a stack of images. */
 ImagePlus openStack(ColorModel cm, boolean show) {
   ImageStack stack = new ImageStack(fi.width, fi.height, cm);
   long skip = fi.getOffset();
   Object pixels;
   try {
     ImageReader reader = new ImageReader(fi);
     InputStream is = createInputStream(fi);
     if (is == null) return null;
     IJ.resetEscape();
     for (int i = 1; i <= fi.nImages; i++) {
       if (!silentMode) IJ.showStatus("Reading: " + i + "/" + fi.nImages);
       if (IJ.escapePressed()) {
         IJ.beep();
         IJ.showProgress(1.0);
         silentMode = false;
         return null;
       }
       pixels = reader.readPixels(is, skip);
       if (pixels == null) break;
       stack.addSlice(null, pixels);
       skip = fi.gapBetweenImages;
       if (!silentMode) IJ.showProgress(i, fi.nImages);
     }
     is.close();
   } catch (Exception e) {
     IJ.log("" + e);
   } catch (OutOfMemoryError e) {
     IJ.outOfMemory(fi.fileName);
     stack.trim();
   }
   if (!silentMode) IJ.showProgress(1.0);
   if (stack.getSize() == 0) return null;
   if (fi.sliceLabels != null && fi.sliceLabels.length <= stack.getSize()) {
     for (int i = 0; i < fi.sliceLabels.length; i++) stack.setSliceLabel(fi.sliceLabels[i], i + 1);
   }
   ImagePlus imp = new ImagePlus(fi.fileName, stack);
   if (fi.info != null) imp.setProperty("Info", fi.info);
   if (show) imp.show();
   imp.setFileInfo(fi);
   setCalibration(imp);
   ImageProcessor ip = imp.getProcessor();
   if (ip.getMin() == ip.getMax()) // find stack min and max if first slice is blank
   setStackDisplayRange(imp);
   if (!silentMode) IJ.showProgress(1.0);
   silentMode = false;
   return imp;
 }
Пример #2
0
 public void run(String arg) {
   imp = IJ.getImage();
   Roi roi = imp.getRoi();
   if (roi != null && !roi.isArea()) imp.killRoi(); // ignore any line selection
   ImageProcessor ip = imp.getProcessor();
   if (!showDialog(ip)) return;
   if (ip.getWidth() > 1 && ip.getHeight() > 1) ip.setInterpolate(interpolate);
   else ip.setInterpolate(false);
   ip.setBackgroundValue(bgValue);
   imp.startTiming();
   try {
     if (newWindow && imp.getStackSize() > 1 && processStack) createNewStack(imp, ip);
     else scale(ip);
   } catch (OutOfMemoryError o) {
     IJ.outOfMemory("Scale");
   }
   IJ.showProgress(1.0);
 }
Пример #3
0
 // Use double buffer to reduce flicker when drawing complex ROIs.
 // Author: Erik Meijering
 void paintDoubleBuffered(Graphics g) {
   final int srcRectWidthMag = (int) (srcRect.width * magnification);
   final int srcRectHeightMag = (int) (srcRect.height * magnification);
   if (offScreenImage == null
       || offScreenWidth != srcRectWidthMag
       || offScreenHeight != srcRectHeightMag) {
     offScreenImage = createImage(srcRectWidthMag, srcRectHeightMag);
     offScreenWidth = srcRectWidthMag;
     offScreenHeight = srcRectHeightMag;
   }
   Roi roi = imp.getRoi();
   try {
     if (imageUpdated) {
       imageUpdated = false;
       imp.updateImage();
     }
     Graphics offScreenGraphics = offScreenImage.getGraphics();
     Java2.setBilinearInterpolation(offScreenGraphics, Prefs.interpolateScaledImages);
     Image img = imp.getImage();
     if (img != null)
       offScreenGraphics.drawImage(
           img,
           0,
           0,
           srcRectWidthMag,
           srcRectHeightMag,
           srcRect.x,
           srcRect.y,
           srcRect.x + srcRect.width,
           srcRect.y + srcRect.height,
           null);
     if (overlay != null) drawOverlay(offScreenGraphics);
     if (showAllROIs) drawAllROIs(offScreenGraphics);
     if (roi != null) drawRoi(roi, offScreenGraphics);
     if (srcRect.width < imageWidth || srcRect.height < imageHeight)
       drawZoomIndicator(offScreenGraphics);
     if (IJ.debugMode) showFrameRate(offScreenGraphics);
     g.drawImage(offScreenImage, 0, 0, null);
   } catch (OutOfMemoryError e) {
     IJ.outOfMemory("Paint");
   }
 }
Пример #4
0
 public void paint(Graphics g) {
   Roi roi = imp.getRoi();
   if (roi != null || showAllROIs || overlay != null) {
     if (roi != null) roi.updatePaste();
     if (!IJ.isMacOSX() && imageWidth != 0) {
       paintDoubleBuffered(g);
       return;
     }
   }
   try {
     if (imageUpdated) {
       imageUpdated = false;
       imp.updateImage();
     }
     Java2.setBilinearInterpolation(g, Prefs.interpolateScaledImages);
     Image img = imp.getImage();
     if (img != null)
       g.drawImage(
           img,
           0,
           0,
           (int) (srcRect.width * magnification),
           (int) (srcRect.height * magnification),
           srcRect.x,
           srcRect.y,
           srcRect.x + srcRect.width,
           srcRect.y + srcRect.height,
           null);
     if (overlay != null) drawOverlay(g);
     if (showAllROIs) drawAllROIs(g);
     if (roi != null) drawRoi(roi, g);
     if (srcRect.width < imageWidth || srcRect.height < imageHeight) drawZoomIndicator(g);
     if (IJ.debugMode) showFrameRate(g);
   } catch (OutOfMemoryError e) {
     IJ.outOfMemory("Paint");
   }
 }