Image 图像保存在JavaFX中,jpg为粉色
我想将图像从ImageView保存到具有不同分辨率的文件中。按.png格式执行,结果与预期一致。至于.jpg,我把所有的文件都改成粉红色 诀窍在哪里?代码如下:Image 图像保存在JavaFX中,jpg为粉色,image,save,png,javafx,jpeg,Image,Save,Png,Javafx,Jpeg,我想将图像从ImageView保存到具有不同分辨率的文件中。按.png格式执行,结果与预期一致。至于.jpg,我把所有的文件都改成粉红色 诀窍在哪里?代码如下: Object[] imagesFromFotoListView = ta.myFotoListView.getItems().toArray(); new File(localDir).mkdirs(); for (int i = 0; i < imagesFromFotoListView.length; i++) {
Object[] imagesFromFotoListView = ta.myFotoListView.getItems().toArray();
new File(localDir).mkdirs();
for (int i = 0; i < imagesFromFotoListView.length; i++) {
new File(localDir + "/" + i).mkdirs();
final ImageView iv = new ImageView((Image) imagesFromFotoListView[i]);
ImageIO.write(SwingFXUtils.fromFXImage(iv.snapshot(null, null), null), "jpg", new File(localModelFotoDir + "/" + i + "/large.jpg")); // JPG THAT FAILS PINK.
BufferedImage bi = SwingFXUtils.fromFXImage(iv.snapshot(null, null), null);
int resolution[] = new int[]{500, 250, 75};
for (int j = 0; j < resolution.length; j++) {
BufferedImage resizedBImage;
if (bi.getWidth() == bi.getHeight()) {
resizedBImage = resizeBufferedImage(bi, Scalr.Method.ULTRA_QUALITY, Scalr.Mode.AUTOMATIC, resolution[j], resolution[j]);
} else if (bi.getWidth() > bi.getHeight()) {
resizedBImage = resizeBufferedImage(bi, Scalr.Method.ULTRA_QUALITY, Scalr.Mode.AUTOMATIC, resolution[j], (int) ((double) resolution[j] * bi.getHeight() / bi.getWidth()));
} else {
resizedBImage = resizeBufferedImage(bi, Scalr.Method.ULTRA_QUALITY, Scalr.Mode.AUTOMATIC, (int) ((double) resolution[j] * bi.getWidth() / bi.getHeight()), resolution[j]);
}
Image resizedI = (Image) SwingFXUtils.toFXImage(resizedBImage, null);
ImageIO.write(SwingFXUtils.fromFXImage((Image) SwingFXUtils.toFXImage(resizedBImage, null), null), "png", new File(localModelFotoDir + "/" + i + "/" + resolution[j] + ".png")); // PNG THAT GOES WELL
}
}
Object[]imagesFromFotoListView=ta.myFotoListView.getItems().toArray();
新文件(localDir.mkdirs();
对于(int i=0;ibi.getHeight()){
resizedBImage=resizeBufferedImage(bi,Scalr.Method.ULTRA_QUALITY,Scalr.Mode.AUTOMATIC,分辨率[j],(int)((双)分辨率[j]*bi.getHeight()/bi.getWidth());
}否则{
resizedBImage=resizeBufferedImage(bi,Scalr.Method.ULTRA_QUALITY,Scalr.Mode.AUTOMATIC,(int)((双)分辨率[j]*bi.getWidth()/bi.getHeight()),分辨率[j]);
}
Image resizedI=(Image)SwingFXUtils.toFXImage(resizedBImage,null);
ImageIO.write(SwingFXUtils.fromFXImage((Image)SwingFXUtils.toFXImage(resizedBImage,null),null),“png”,新文件(localmodelfotdir+“/”+i+“/”+分辨率[j]+“.png”);///png运行良好
}
}
更新
此问题已针对Java 8修复:
看起来您在ImageIO或JavaFX图像处理库中遇到了现有的bug
.jpg
保存。我还重新安排了代码,使其更短。解决办法是:
// Get buffered image:
BufferedImage image = SwingFXUtils.fromFXImage(myJavaFXImage, null);
// Remove alpha-channel from buffered image:
BufferedImage imageRGB = new BufferedImage(
image.getWidth(),
image.getHeight(),
BufferedImage.OPAQUE);
Graphics2D graphics = imageRGB.createGraphics();
graphics.drawImage(image, 0, 0, null);
ImageIO.write(imageRGB, "jpg", new File("/mydir/foto.jpg"));
graphics.dispose();
在Java 8中修复:第一个链接不是公开的,它需要身份验证。是的,leonbloy,但是,然后在JavaFX问题跟踪程序中查看所有问题。我注意到你的库leonbloy,也许你可以,它们肯定与图像处理有关。如果有兴趣,请联系。