Bufferedimage Getscaledinstance

Die Bilder werden in etwa auf die Fenstergröße skaliert (beim Öffnen). drawImage()方法的性能. EVALUATION It appears that the RenderedImage produced by reading slow. In this post I am going to demonstrate how to divide an image into equal parts. Instant java solutions, Java APIs, Java Examples, Java examples with source codes Instant Java Solutions Provided solutions for regular problem at every developer getting in java and web applications. We will paint an icon, scale an icon, create a custom icon, and put icons into various Swing components. The following code examples are extracted from open source projects. Image with an accessible buffer of image data. Free Cell Hints How to Scale a BufferedImage BufferedImage is the usual starting point for representing images within a Java program. public static java. The program runs well, however i found that the quality of the new image is not good, many rectangles appear in the image, especially when the dimensions of the new image are small (around 72 x 72 pixels). Normally, we find the default JDK XML parser to work just fine. hello i am using JPanel as my container of my frame then i really want to used a background picture in my Panel i really need help this is my code so far. Earlier notes explained how to open a file containing an image in whatever format and read it into a Java program as a BufferedImage object. Lire l'image comme un BufferedImage. 如何提高调整图像大小的g. The number and types of bands in the SampleModel of the Raster must match the number and types required by the ColorModel to represent its color and alpha components. 0_09-b03) Java HotSpot(TM) Client VM (build 1. 0_09" Java(TM) 2 Runtime Environment, Standard Edition (build 1. public static java. BufferedImage bufImg = new BufferedImage (width, height. Convert an image to a PDF using iText library for java - Img2PDFConverter. getScaledInstance es, también, que no es el más rápido o mejor calidad método A escala de un BufferedImage sí, usted tiene un número de diferentes opciones, pero la mayoría simplemente lleve el original y volverlo a pintar a otra imagen, la aplicación de algún tipo de ajuste de escala en el proceso. We demonstrates how to add a watermark to an image in java. Image class:. How to convert InputStream to others, BufferedImage to othres. jpg using Image I/O has a non-sRGB color space. The filter type can be used with the scaleType parameter in the method call below. I will be using a subclass of Image called BufferedImage for the same. *; import java. The image might be in 1 byte Greyscale, but Processing will convert it to 4 byte ARGB. The Java BufferedImage class has its own scaling method called getScaledInstance(). So instead of your last line of code where you are casting you would just do:. Platform information: Hardware: Pi3 OS: Raspbian Java Runtime Environment: java version "1. Das so erzeugte Bild kann dann in eine Komponente (Panel etc. ImageHDU hdu) throws nom. Maybe you just need such a downscaling App to create a lot of Thumbnails or provide different Image sizes to your user. I had faced it while i was trying to add some image to desktop Applications. Das so erzeugte Bild kann dann in eine Komponente (Panel etc. public static java. The alternative approach is to create a new BufferedImage and and draw a scaled version of the original on the new one. com sending image object through socket in java classic example Sending image through socket connection in java is not so difficult task. The time it takes you to complete the tutorial is almost wholly dependent on your Java skill-level. The number and types of bands in the SampleModel of the Raster must match the number and types required by the ColorModel to represent its color and alpha components. In effect, you could get an Image reference by doing: //where someBufferedImage is a BufferedImage Image img = (Image)someBufferedImage;. Graphics; import java. Here, you can also save the resized image in a file. Prinzipiell kann jede Methode der Java Bindings eine TimeoutException werfen. Instant java solutions, Java APIs, Java Examples, Java examples with source codes Instant Java Solutions Provided solutions for regular problem at every developer getting in java and web applications. BufferedImage com. GraphicsDevice; import java. SCALE_SMOOTH를 사용하면 새롭게 생성된 이미지의 품질이 떨어지지 않게 된다. How to convert InputStream to others, BufferedImage to othres. This example uses the getScaledInstance() Method out of the BufferedImage class, to create a scaled Image, the Method getScaledBufferedImage() converts the Image to an BufferedImage. package view. CapturedImage. The filter types are. 该BufferedImage子类描述了一个 Image 具有可访问的图像数据缓冲区。 A BufferedImage由一个 ColorModel 和一个 Raster 图像数据组成。 在数量和类型的带 SampleModel 的 Raster必须由所要求的数量和类型相匹配 ColorModel,以表示其颜色和alpha分量。. com sending image object through socket in java classic example Sending image through socket connection in java is not so difficult task. Java graphics code example to resize (scale) images. GraphicsConfiguration; import java. net/view/1059. The following code examples are extracted from open source projects. Step by step way is given below. This article propose a way to protect a file upload feature against submission of file containing malicious code. getScaledInstance() with the lines 34-38 highlighted below. In this article we will find out how to create thumbnails from images with Java. If you find this site useful, consider making a small donation to show your support for this Web site and its content, tia!. *; import java. import static javax. Program : import javax. the ImageIO class to read or write image files, and working with an Image or a BufferedImage object when dealing with the object in memory. Can anyone point me in the right direction? Here is my code:. I had faced it while i was trying to add some image to desktop Applications. Puedes usar bufferedImage. Image になってしまうので、 ImageIO. The method also provides the ability to add filtering. 이미지의 축소 Image img의 getScaledInstance() 축소된 이미지 그리기 BufferedImage bi의 Graphics를 이용해서 그린다. Hi , I am using Tesseract1 through Tess4j on Windows 64 bit to convert small Image (100*20). But anyway my question is way I get an classcastexception: Exception in thread "AWT-EventQueue-0" java. write を使うためには、 java. getScaledInstance(. [JAVA>Diff]Sample program how to use Java's diff Library(JRCS Library) Sample program how to use Java's diff Library and output difference between 2 arrays. When drawing in images of class java. Cells component. というわけで、なんでか知らんけどJavaで画像を弄らんといけなくなった。手っ取り早く画像処理をしてみたい。そんな人のために書くことにしたよ。. I can do this using a buffered image however the image type I have is Image. 0 In this project, i want to put Dynemic image on JLabel which gets the Image Path from Database. Any Raster used to construct a BufferedImage must therefore have minX=0 and minY=0. If you are getting back a sun. setIcon(new ImageIcon(resize)); public BufferedImage getScaledInstance(BufferedImage image, int width, int height, GraphicsConfiguration gc). Pure Java AWT BufferedImage implementation. In this series of tutorials we download the source code of minicraft and we study it and modify it in an eclipse project. html](http://baike. Here is the original code we used to resize image icons:. Step by step way is given below. I took a little heat on a method I had to resize an image and I'm hoping I can get a little help on the best way to do it. getAlphaRaster extracted from open source projects. (BufferedImage) img. 0 In this project, i want to put Dynemic image on JLabel which gets the Image Path from Database. ImageIO; import javax. com "Java Source Code Warehouse" project. The following are Jave code examples for showing how to use getGraphics() of the java. The method also provides the ability to add filtering. easywayprogramming. 이미지의 축소 Image img의 getScaledInstance() 축소된 이미지 그리기 BufferedImage bi의 Graphics를 이용해서 그린다. Halaman sedang dalam pengolahan, silahkan tinggalkan saran dan Komentar terbaik anda untuk Halaman saya demi perbaikan yang lebih menyeluruh lagi dikemudian hari, terima kasih atas kunjungannya. As you can see in the code below I try to cast the Image to a BufferedImage, apply the greyscale then cast is back to an Image. FULL PRODUCT VERSION : java version "1. public BufferedImage getClippedImage(final int page, final int imageNumber) throws PdfException return getClippedImage ( page, getImageName ( page, imageNumber )) ; * extract any image from any page - recommended you process images on each page in turn as quicker. ImageIcon; Here Image class is used to hold image resource while BufferedImage and ImageIcon are used to split image to multiple images. Das so erzeugte Bild kann dann in eine Komponente (Panel etc. These are the top rated real world Java examples of java. Skip to content. ToolkitImage cannot be cast to java. com 最全面,最专业的源代码分享网站,近万名用户分享超过数万份高质量的java/jquery/bootstrap/html/css源代码. The BufferedImage subclass describes an java. This technical tip shows how developers can generate a thumbnail Image from a Worksheet using Aspose. Devo ridimensionare un'immagine, utilizzo il seguente codice che funziona ma mi cambia i colori dell'imamgine (l'immagine di partenza è un file jpg 640*480 con colori grigio e azzurro e mi ritrovo un'immagine 150*112 rossastra. BufferedImage, int), createThumbnail(java. I had faced it while i was trying to add some image to desktop Applications. Free Cell Hints How to Scale a BufferedImage BufferedImage is the usual starting point for representing images within a Java program. scale image - posted in Java: hi all, i ve been trying to scale an image using java. You need to save the BufferedImage to a ByteArrayOutputStream using the ImageIO class, then create a ByteArrayInputStream from toByteArray(). java (Model) Upload, Crop, and Resize an Image with the Play! Framework and jQuery. Found this is a Sun forum:-----you have to disable double-buffering of your printable component. I am totally new in Java. redimensionne le tampon à un autre tampon de la taille du JLabel. com how to resize imageicon in java When we apply image icon to any component like button, label or panel, it not apply properly because of size of that image. getScaledInstance is, also, not normally the fastest or best quality method To scale a BufferedImage itself, you have a number of different options, but most simply take the original and repaint it to another image, applying some kind of scaling in process. a new compatible BufferedImage containing a thumbnail of image Throws: IllegalArgumentException - if newSize is larger than the largest dimension of image or <= 0 See Also: createThumbnailFast(java. Hello all,Ive been working on this program all day now and this last part is the main problem. Here is the most straightforward method that I could come up with - all in all just 5 lines of code. BufferedImage getScaledInstance(java. Dimension ; import java. getAlphaRaster extracted from open source projects. scale image - posted in Java: hi all, i ve been trying to scale an image using java. getScaledInstance(), which works very well, produces great quality with its "area averaging" algorithm, but is very slow. ToolkitImage cannot be cast to java. You can rate examples to help us improve the quality of examples. public BufferedImage getClippedImage(final int page, final int imageNumber) throws PdfException return getClippedImage ( page, getImageName ( page, imageNumber )) ; * extract any image from any page - recommended you process images on each page in turn as quicker. We show you two examples. write を使うためには、 java. private static BufferedImage resizeImage(BufferedImage image_to_save, int maxDimension, String imageType) int newWidth = image_to_save. This newly created byte[] array will contain image data in compressed form. For years, the Java 2D team has been encouraging developers to move away from JDK-1. getScaledInstance(nX, PAGE_HEIGHT, Image. If you have a web application where people can download pdf files, then this can be handy to provide a sort of previewer where the first page is shown, so they don't have to download or open every pdf file in acrobat reader to find the right document. We show you two examples. 0_201" openHAB version: 2. Its not a fast method call but the code is small and only depends on BufferedImage and Graphics2D classes. ImageIcon; Here Image class is used to hold image resource while BufferedImage and ImageIcon are used to split image to multiple images. For this Christmas I got a Raspberry PI from my Brother and Sister in Law, I had no clue what it was, so I start reading about it. 0_09" Java(TM) 2 Runtime Environment, Standard Edition (build 1. Can anyone point me in the right direction? Here is my code:. 我有一个应用程序,用户可以在相册中上传图片,但自然上传的图片需要resize,所以也有大拇指可用,所显示的图片也适合页面(例如800×600)。. Java Forums on Bytes. While going through some image resizing logic in Java I found that Java has been supporting the resizing since Version 1. You may want to alter the XMLReader instance used if you need a special parser implementation, for example one which cleans legacy HTML and converts it to XHTML. I have the image of a rectangle and I want to be able to stretch it to any size, but when I resize it, it fills the empty space with padding instead of stretching it. When you convert it back from byte[] to BufferedImage, then result, that is new BufferedImage will be the same size as before. * @param hue * @return the closest hue from the palette */ Integer closestHue(int hue) { // view the full answer. Tagged background image in JLabel, background image JLabel, BufferedImage. Array ( ) 13 Responses to "How do I scale or resize a BufferedImage?" Alan Says: November 29th, 2009 at 6:15 am. Image: getScaledInstance(int width, int height, int hints) import java. The time it takes you to complete the tutorial is almost wholly dependent on your Java skill-level. Color ; import java. public Image getScaledInstance(int width, int height,int hints) width, height is the width and height of the final image respectively. the ImageIO class to read or write image files, and working with an Image or a BufferedImage object when dealing with the object in memory. public BufferedImage(ColorModel cm, WritableRaster raster, boolean isRasterPremultiplied, Hashtable properties) Constructs a new BufferedImage with a specified ColorModel and Raster. I right-click the image on-line and save it right there, from my browser, into my application's source structure. In this game there is a default image which is loaded automatically but you can load your own image also at runtime using load button in the user interface. I am totally new in Java. Das so erzeugte Bild kann dann in eine Komponente (Panel etc. Kaynak resmin boyutlarını değiştirerek yeni resme yazar. BufferedImage getScaledInstance(java. But not able to do. Graphics; import java. Normally, we find the default JDK XML parser to work just fine. Prinzipiell kann jede Methode der Java Bindings eine TimeoutException werfen. Maybe you just need such a downscaling App to create a lot of Thumbnails or provide different Image sizes to your user. Die Bilder werden in etwa auf die Fenstergröße skaliert (beim Öffnen). java二维码工具类(生成+解析) JavaWeb工具类目录 [http://baike. Create input and output streams. Convert an image to a PDF using iText library for java - Img2PDFConverter. Unfortunately the performance of getScaledInstance() is very poor if not problematic. One way to scale an image is to use the getScaledInstance() method. 不幸的是,如果没有问题,getScaledInstance()的性能非常差。 另一种方法是创build一个新的BufferedImage,并在新的上绘制一个原始的缩放版本。. otherwise, the off-screen image used for double-buffering, with 72 dpi, is rendered on the the printers graphics context. 0_09-b03) Java HotSpot(TM) Client VM (build 1. Object: clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait. The abstract class Image is the superclass of all classes that represent graphical images. By default, reduce images result in lower quality in Java. well, how? i can't see any method in ImageIO returning a ByteArrayOutputStream. getScaledInstance() The solution was to replace the call to fullSizeImage. Image; import java. I have a requirement where in i have to scale all input images to a given size dynamically. ImageConsumer. Given that Processing will first read the color values to a buffer, convert them to ARGB and then copy them into the pixels array of an PImage object, your sketch would use (at least) 921. * Returns the closest hue from the fixed palette this TileFactory contains. Java graphics code example to resize (scale) images. Just about any Web or mobile app that works with images needs to display thumbnails. Direct Known Subclasses: VolatileImage, BufferedImage. I have an object which has many bufferedimages in it, I want to create a new object copying all the bufferedimages into the new object, but these new images may be altered and i don't want the original object images to be altered by altering the new objects images. JSP - Creating a Thumbnail Image on the fly 8 posts public static BufferedImage getScaledInstance(BufferedImage image, int width, int height, GraphicsConfiguration gc). 評価を下げる理由を選択してください. When the scaled instance is rendered, it goes through general loops that convert each pixel into the sRGB color space, which is not as optimal as if the image was originally in the sRGB color space (like fast. This article propose a way to protect a file upload feature against submission of file containing malicious code. [JAVA>Diff]Sample program how to use Java's diff Library(JRCS Library) Sample program how to use Java's diff Library and output difference between 2 arrays. download show line numbers debug dex. In this tutorial we are going to add a view of the map of the level we are in, which shows us where we are located and where are the stairs and the resources. How to replace color with another color in BufferedImage. 구체적인 문제 : BufferedImage의 크기를 조절하거나 크기를 조정하려고합니다. I'd also encourage you to take a look at Perials of getScaledInstance and Java: maintaining aspect ratio of JPanel background image for some alternatives part of of bufferedimage. ) Чтобы масштабировать изображение, вам нужно. well, how? i can't see any method in ImageIO returning a ByteArrayOutputStream. getScaledInstance is, also, not normally the fastest or best quality method To scale a BufferedImage itself, you have a number of different options, but most simply take the original and repaint it to another image, applying some kind of scaling in process. ClassCastException: sun. Das so erzeugte Bild kann dann in eine Komponente (Panel etc. Methods inherited from class java. Java BufferedImage. The buzz media Description. This file is included in the DevDaily. Maybe you just need such a downscaling App to create a lot of Thumbnails or provide different Image sizes to your user. Step by step way is given below. Hi all I am trying to read blob image from mysql database and show on jlabel. 我有一个应用程序,用户可以在相册中上传图片,但自然上传的图片需要resize,所以也有大拇指可用,所显示的图片也适合页面(例如800×600)。. 0-isms likeImage. getScaledInstance public Image getScaledInstance(int width, int height, int hints) Creates a scaled version of this image. getScaledInstance es, también, que no es el más rápido o mejor calidad método A escala de un BufferedImage sí, usted tiene un número de diferentes opciones, pero la mayoría simplemente lleve el original y volverlo a pintar a otra imagen, la aplicación de algún tipo de ajuste de escala en el proceso. Cells component. Image with an accessible buffer of image data. Una forma es usar el método filter(). Image; import java. Festplatte) gespeichert. It can be useful to generate thumbnails from worksheets. 如何提高调整图像大小的g. 0 In this project, i want to put Dynemic image on JLabel which gets the Image Path from Database. getScaledInstance is, also, not normally the fastest or best quality method To scale a BufferedImage itself, you have a number of different options, but most simply take the original and repaint it to another image, applying some kind of scaling in process. [JAVA>Diff]Sample program how to use Java's diff Library(JRCS Library) Sample program how to use Java's diff Library and output difference between 2 arrays. Class declaration. As you can see in the code below I try to cast the Image to a BufferedImage, apply the greyscale then cast is back to an Image. java (Model) Upload, Crop, and Resize an Image with the Play! Framework and jQuery. Upload, Crop, and Resize an Image with the Play! Framework and jQuery - Avatar. This file is included in the DevDaily. ToolkitImage cannot be cast to java. 8x10'' @ 1200dpi = 9600x12000px * 4 byte = 460. easywayprogramming. We can resize an image using different algorithms. *; import java. Hello friends, It's being long time that I've not shared anything but Today I am gonna share a Java Program by which you can split an Image to multiple images. BufferedImage に変換する必要がある。. The following code examples are extracted from open source projects. I have 10,000 photos that need to be resized so I have a Java program to do that. ClassCastException: apple. Travelled to 11 computer(s): aoiabmzegqzx, cbybwowwnfue, cfunsshuasjs, ddnzoavkxhuk, gwrvuhgaqvyk, irmadwmeruwu, ishqpsrjomds. In effect, you could get an Image reference by doing: //where someBufferedImage is a BufferedImage Image img = (Image)someBufferedImage;. BorderLayout ; import java. Scaling images, they say getScaledInstance is not ideal(?). EVALUATION It appears that the RenderedImage produced by reading slow. A buffered image always starts at coordinates (0, 0). Src) before copying the original into the new image. I;m trying to scale an image (using the imgae's getScaledInstance method) before passing it to an ImageIcon, but it looks like the images are cropped. Tenho uma aplicação que pega uma imagem e carrega em um buffer e depois tenho que redimensionar ela. getScaledInstance() with the lines 34-38 highlighted below. Java BufferedImage. Also haben wir diesen Code erhalten: /** * we want the x and o to be resized when the JFrame is resized * * @param originalImage an x or an o. getScaledInstance, Image Background JLabel, ImageIcon Java, ImageIcon JLabel, import java. I will be using a subclass of Image called BufferedImage for the same. scale image - posted in Java: hi all, i ve been trying to scale an image using java. Contribute to nguyenq/tess4j development by creating an account on GitHub. com "Java Source Code Warehouse" project. net/view/1059. write を使うためには、 java. The solution: Do not use Image. Any Raster used to construct a BufferedImage must therefore have minX=0 and minY=0. awt abstract public class: Image [javadoc | source] java. jpg using Image I/O has a non-sRGB color space. Just about any Web or mobile app that works with images needs to display thumbnails. It works Properly BUT The size of JLabel autometicaly adjust:( If the Image size is 1024x672 then JLabel covers whole Swing JInnerFrame. public BufferedImage getClippedImage(final int page, final int imageNumber) throws PdfException return getClippedImage ( page, getImageName ( page, imageNumber )) ; * extract any image from any page - recommended you process images on each page in turn as quicker. These are the top rated real world Java examples of java. Image になってしまうので、 ImageIO. While going through some image resizing logic in Java I found that Java has been supporting the resizing since Version 1. Given that Processing will first read the color values to a buffer, convert them to ARGB and then copy them into the pixels array of an PImage object, your sketch would use (at least) 921. というわけで、なんでか知らんけどJavaで画像を弄らんといけなくなった。手っ取り早く画像処理をしてみたい。そんな人のために書くことにしたよ。. In effect, you could get an Image reference by doing: //where someBufferedImage is a BufferedImage Image img = (Image)someBufferedImage;. This file is included in the DevDaily. The following code examples are extracted from open source projects. getScaledInstance (width, height, Image. getScaledInstance(size,-1, BufferedImage. Image になってしまうので、 ImageIO. Java BufferedImage class is a subclass of Image class. Que no se compila - getScaledInstance devuelve una Imagen no es un BufferedImage. BufferedImage getScaledInstance(java. Into web applications, when we expect upload of working documents from users, we can expose the application to submission of documents that we can categorize as malicious. The buffered image is not subdivided into multiple tiles. read(in); } }. In this post I am going to demonstrate how to divide an image into equal parts. Unfortunately, the quality of the image is poorly lost and I don't have access to the uncompressed images. write を使うためには、 java. Image になってしまうので、 ImageIO. ios image 压缩; GDI+压缩图片 image/png image/jpeg; android image 压缩和解压; java压缩处理Image图片; Upload上传+Image压缩. Java BufferedImage. In this game there is a default image which is loaded automatically but you can load your own image also at runtime using load button in the user interface. One way to scale an image is to use the getScaledInstance() method. I have a Steve skin as a BufferedImage and I'd like to get the Alex equivalent of the skin but also as a Image tmp = img. For the basics on how all this works, I will refer. WindowConstants. does anyone know a way around this? unlike posts i have seen, Image resizedImg = bufImage. Devo ridimensionare un'immagine, utilizzo il seguente codice che funziona ma mi cambia i colori dell'imamgine (l'immagine di partenza è un file jpg 640*480 con colori grigio e azzurro e mi ritrovo un'immagine 150*112 rossastra. 0_09" Java(TM) 2 Runtime Environment, Standard Edition (build 1. Voici les étapes à suivre. getScaledInstance(size,-1, BufferedImage. pjaf font files are not used (other fonts already exist). Cells component. BufferedImage; javax. Image class:. The Java BufferedImage class has its own scaling method called getScaledInstance(). You can click to vote up the examples that are useful to you. 위 코드와 같이 getScaledInstance() 메소드의 세번째 파라미터로 Image. By default, reduce images result in lower quality in Java. download show line numbers debug dex. FULL PRODUCT VERSION : java version "1. I took a little heat on a method I had to resize an image and I'm hoping I can get a little help on the best way to do it. Image Scaling Code. Tagged background image in JLabel, background image JLabel, BufferedImage. com 最全面,最专业的源代码分享网站,近万名用户分享超过数万份高质量的java/jquery/bootstrap/html/css源代码. The number and types of bands in the SampleModel of the Raster must match the number and types required by the ColorModel to represent its color and alpha components. Hello all,Ive been working on this program all day now and this last part is the main problem. For years, the Java 2D team has been encouraging developers to move away from JDK-1. What this is. *; import java. In this tutorial we show a Java Resize Image to Fixed Width and Height Example. SCALE_SMOOTH, How to show image in JLabel, icon. 2600] A DESCRIPTION OF THE PROBLEM : BILINEAR and BICUBIC interpolation seems to be broken when downsampling images (for example when. 1) We use the ImageIO class to create a scaled version of the input image using the predefined getScaledInstance method passing the desired thumbnail width and height 2) We pass the Image from Step1 into a BufferedImage object. getScaledInstance() The solution was to replace the call to fullSizeImage. public static BufferedImage getScaledInstance (BufferedImage image, int targetWidth. getScaledInstance( whatever) does not take long. I have a requirement where in i have to scale all input images to a given size dynamically. getScaledInstance(), which works very well, produces great quality with its "area averaging" algorithm, but is very slow. bufferedImage. getScaledInstance, Image Background JLabel, ImageIcon Java, ImageIcon JLabel, import java. Video capture using JMF. ToolkitImage, you can cast the Image to that, and then use getBufferedImage() to get the BufferedImage. Si deseara mostrar en una etiqueta que este arriba del visor el nombre de la foto que estoy visualizando en ese momento como podria hacerlo! Responder Eliminar. While going through some image resizing logic in Java I found that Java has been supporting the resizing since Version 1. Second, in order to preserve the transparency from your original image, you'll need to call g2d. That solution allowed the code to read thousands of images, because the fullSizeImage was no longer kept in memory. Das so erzeugte Bild kann dann in eine Komponente (Panel etc. 我有一个应用程序,用户可以在相册中上传图片,但自然上传的图片需要resize,所以也有大拇指可用,所显示的图片也适合页面(例如800×600)。. Image ; import java.