JMagick示例
JMagickTest.java 实现图片的各种操作示例,如旋转,加边框，设置背景，提升质量，加盖文字说明等等...
?
package?images;
import?java.awt.Dimension;
import?java.awt.Rectangle;
import?magick.ImageInfo;
import?magick.MagickImage;
import?magick.MagickException;
import?magick.QuantizeInfo;
import?magick.ColorspaceType;
import?magick.MagickApiException;
import?magick.PixelPacket;
import?magick.DrawInfo;
import?magick.ResolutionType;
import?magick.ProfileInfo;
import?magick.MontageInfo;
import?magick.Magick;
import?magick.MagickInfo;
import?java.io.IOException;
import?java.io.FileOutputStream;
/**
*?For?testing?JMagick?functions.
*
*?@author?Eric?Yeo
*/
public?class?JMagickTest?{
????/**
?????*?Display?the?information?about?the?profile?supplied.
?????*
?????*?@param?profile
?????*????????????the?profile?for?which?to?display
?????*/
????private?static?void?displayProfile(ProfileInfo?profile)?{
????????if?(profile.getName()?==?null)?{
????????????System.out.println("Profile?name?is?null");
????????}
????????else?{
????????????System.out.println("Profile?name?is?"?+?profile.getName());
????????}
????????if?(profile.getInfo()?==?null)?{
????????????System.out.println("No?profile?info");
????????}
????????else?{
????????????System.out.println("Profile?length?is?"?+?profile.getInfo().length);
????????}
????}
????public?static?void?main(String[]?args)?{
????????try?{
????????????Rectangle?rect?=?new?Rectangle(0,?0,?80,?40);
????????????int?flags?=?Magick.parseImageGeometry("60x50",?rect);
????????????System.out.println("Scaled?to?"?+?rect.width?+?"x"?+?rect.height);
????????????//?Copy?an?image.
????????????ImageInfo?info?=?new?ImageInfo("pics.jpg");
????????????info.setPage("50x50+0+0");
????????????info.setUnits(ResolutionType.PixelsPerInchResolution);
????????????info.setColorspace(ColorspaceType.RGBColorspace);
????????????info.setBorderColor(PixelPacket.queryColorDatabase("red"));
????????????info.setDepth(8);
????????????System.out.println("Depth?"+info.getDepth());
????????????info.setDepth(0);
????????????MagickImage?image?=?new?MagickImage(info);
????????????image.setImageAttribute("Comment",?"Processed?by?JMagick");
????????????System.out.println("Quality?is?"+image.getQuality());
????????????System.out.println("Colorspace?is?"?+?image.getColorspace());
????????????System.out.println("Resolution?units?is?"?+?image.getUnits());
????????????System.out.println("X?resolution?is?"?+?image.getXResolution());
????????????System.out.println("Y?resolution?is?"?+?image.getYResolution());
????????????System.out.println("Size?blob?is?"?+?image.sizeBlob());
????????????System.out.println("Colors?"?+?image.getColors());
????????????System.out.println("Total?colors?"?+?image.getTotalColors());
????????????System.out.println("Depth?is?"+image.getDepth());
????????????image.signatureImage();
????????????image.setFileName("copy.jpg");
????????????image.writeImage(info);
????????????//?Background?Color
????????????System.out.println("Old?colour?"?+?image.getBackgroundColor());
????????????image.setBackgroundColor(PixelPacket.queryColorDatabase("red"));
????????????System.out.println("New?colour?"?+?image.getBackgroundColor());
????????????//?Border?image
????????????image.setBorderColor(PixelPacket.queryColorDatabase("green"));
????????????MagickImage?borderedImage?=?image.borderImage(new?Rectangle(0,?0,
????????????????????10,?20));
????????????borderedImage.setFileName("border.jpg");
????????????borderedImage.writeImage(info);
????????????//?Raise?image
????????????MagickImage?raisedImage?=?new?MagickImage(new?ImageInfo("pics.jpg"));
????????????raisedImage.raiseImage(new?Rectangle(0,?0,?10,?20),?true);
????????????raisedImage.setFileName("raised.jpg");
????????????raisedImage.writeImage(info);
????????????//?Profile?test
????????????System.out.println("Number?of?generic?profiles?"
????????????????????+?image.getGenericProfileCount());
????????????displayProfile(image.getColorProfile());
????????????image.setColorProfile(new?ProfileInfo());
????????????displayProfile(image.getColorProfile());
????????????image.setColorProfile(new?ProfileInfo("Test",?new?byte[20]));
????????????displayProfile(image.getColorProfile());
????????????//?Montage?test
????????????MagickImage?images[]?=?new?MagickImage[2];
????????????images[0]?=?image;
????????????images[1]?=?image;
????????????MagickImage?seqImage?=?new?MagickImage(images);
????????????MontageInfo?montageInfo?=?new?MontageInfo(new?ImageInfo());
????????????montageInfo.setFileName("montage.jpg");
????????????montageInfo.setTitle("Melbourne");
????????????montageInfo.setBorderWidth(5);
????????????MagickImage?montage?=?seqImage.montageImages(montageInfo);
????????????montage.writeImage(new?ImageInfo());
???????????
????????????//?Converting?the?montage?into?a?blob
????????????montage.setMagick("JPG");
????????????byte[]?mblob?=?montage.imageToBlob(new?ImageInfo());
????????????System.out.println("Length?"+mblob.length);
????????????//?Test?average
????????????MagickImage?average?=?seqImage.averageImages();
????????????average.setFileName("average.jpg");
????????????average.writeImage(new?ImageInfo());
????????????//?Image?to?blob
????????????info?=?new?ImageInfo();
????????????byte[]?blob?=?image.imageToBlob(info);
????????????//?Blob?to?image
????????????info?=?new?ImageInfo();
????????????MagickImage?blobImage?=?new?MagickImage(info,?blob);
????????????Dimension?imageDim?=?blobImage.getDimension();
????????????System.out.println("Blob?width?is?"?+?imageDim.width);
????????????System.out.println("Blob?heght?is?"?+?imageDim.height);
????????????System.out.println(imageDim);
????????????blobImage.setFileName("blob.jpg");
????????????blobImage.writeImage(info);
????????????//?JPEG?Image?to?GIF?blob
????????????image.setMagick("GIF");
????????????blob?=?image.imageToBlob(info);
????????????try?{
????????????????FileOutputStream?out?=?new?FileOutputStream("blob.gif");
????????????????out.write(blob);
????????????????out.close();
????????????}
????????????catch?(IOException?ex)?{
????????????????System.out.println("Unable?to?write?blob?to?file:?"?+?ex);
????????????}
????????????//?Rotation?and?shear
????????????image?=?new?MagickImage(new?ImageInfo("pics.jpg"));
????????????MagickImage?rotated?=?image.rotateImage(45.0);
????????????rotated.setFileName("rotated.jpg");
????????????rotated.writeImage(info);
????????????MagickImage?sheared?=?image.shearImage(50.0,?10.0);
????????????sheared.setFileName("sheared.jpg");
????????????sheared.writeImage(info);
????????????MagickImage?scaled?=?image.scaleImage(100,?80);
????????????scaled.setFileName("scaled.jpg");
????????????scaled.writeImage(info);
????????????//?Cloning
????????????imageDim?=?image.getDimension();
????????????System.out.println("Width?is?"?+?imageDim.width);
????????????System.out.println("Height?is?"?+?imageDim.height);
????????????System.out.println("Depth?is?"?+?image.getDepth());
????????????System.out.println("Storage?class?is?"?+?image.getStorageClass());
????????????System.out.println("Comment?is?""
????????????????????+?image.getImageAttribute("Comment")?+?""");
????????????MagickImage?clonedImage?=?image.cloneImage(0,?0,?false);
????????????clonedImage.setFileName("clone.jpg");
????????????clonedImage.writeImage(info);
????????????//?Quantization
????????????MagickImage?quantizedImage?=?new?MagickImage(new?ImageInfo(
????????????????????"pics.jpg"));
????????????QuantizeInfo?quantizeInfo?=?new?QuantizeInfo();
????????????quantizeInfo.setColorspace(ColorspaceType.GRAYColorspace);
????????????quantizeInfo.setNumberColors(256);
????????????quantizeInfo.setTreeDepth(4);
????????????System.out.println("QuantizeImage?"
????????????????????+?quantizedImage.quantizeImage(quantizeInfo));
????????????System.out.println("Colors?"?+?quantizedImage.getColors());
????????????System.out.println("Total?colors?"
????????????????????+?quantizedImage.getTotalColors());
????????????quantizedImage.setFileName("quantized.png");
????????????quantizedImage.writeImage(info);
??? ??? ??? // for?(int?i?=?0;?i?<?quantizedImage.getColors();?i++)?{
??? ??? ??? // PixelPacket?pp?=?quantizedImage.getColormap(i);
??? ??? ??? // System.out.println("Colormap["?+?i?+?"]?=?("?+?pp.getRed()
??? ??? ??? // +?",?"?+?pp.getGreen()?+?",?"?+?pp.getBlue()?+?")");
??? ??? ??? // }
??? ??? ??? // PixelPacket[]?ppArray?=?quantizedImage.getColormap();
??? ??? ??? // for?(int?i?=?0;?i?<?quantizedImage.getColors();?i++)?{
??? ??? ??? // System.out.println("Colormap2["?+?i?+?"]?=?("
??? ??? ??? // +?ppArray[i].getRed()?+?",?"?+?ppArray[i].getGreen()
??? ??? ??? // +?",?"?+?ppArray[i].getBlue()?+?")");
??? ??? ??? // }
????????????//?Create?an?image?from?scratch
????????????MagickImage?blankImage?=?new?MagickImage();
????????????byte[]?pixels?=?new?byte[200?*?100?*?4];
????????????for?(int?i?=?0;?i?<?200?*?100;?i++)?{
????????????????pixels[4?*?i]?=?(byte)?255;
????????????????pixels[4?*?i?+?1]?=?(byte)?255;
????????????????pixels[4?*?i?+?2]?=?(byte)?255;
????????????????pixels[4?*?i?+?3]?=?(byte)?0;
????????????}
????????????blankImage.constituteImage(200,?100,?"RGBA",?pixels);
????????????//?Put?a?red?rectangle?around?the?border
????????????DrawInfo?drawInfo?=?new?DrawInfo(new?ImageInfo());
????????????drawInfo.setPrimitive("Rectangle?10?10?190?90");
????????????drawInfo.setStroke(PixelPacket.queryColorDatabase("red"));
????????????drawInfo.setFill(PixelPacket.queryColorDatabase("white"));
????????????blankImage.drawImage(drawInfo);
????????????//?Annotate?the?image?with?a?green?Hello
????????????ImageInfo?blankImageInfo?=?new?ImageInfo();
????????????DrawInfo?annotateInfo?=?new?DrawInfo(blankImageInfo);
????????????annotateInfo.setOpacity(0);
????????????annotateInfo.setFont("fixed");
????????????annotateInfo.setFill(PixelPacket.queryColorDatabase("green"));
????????????annotateInfo.setText("Hello");
????????????annotateInfo.setGeometry("+30+30");
????????????blankImage.annotateImage(annotateInfo);
????????????blankImage.setFileName("blank.jpg");
????????????blankImage.writeImage(info);
????????????//?Make?the?white?page?of?the?image?transparent
????????????blankImage.transparentImage(
????????????????????PixelPacket.queryColorDatabase("white"),?65535);
????????????blankImage.setFileName("transparent.png");
????????????blankImage.writeImage(info);
????????????//?Crop?image
????????????rect?=?new?Rectangle(20,?20,?150,?120);
????????????MagickImage?cropped?=?image.cropImage(rect);
????????????cropped.setFileName("cropped.jpg");
????????????cropped.writeImage(info);
????????????//?Chop?image
????????????rect?=?new?Rectangle(0,?0,?150,?120);
????????????MagickImage?chopped?=?image.chopImage(rect);
????????????chopped.setFileName("chopped.jpg");
????????????chopped.writeImage(info);
????????????//?Sharpen?image
????????????MagickImage?sharpened?=?image.sharpenImage(1.0,?5.0);
????????????sharpened.setFileName("sharpened.jpg");
????????????sharpened.writeImage(info);
????????????//?Despeckle?image
????????????MagickImage?despeckled?=?image.despeckleImage();
????????????despeckled.setFileName("despeckled.jpg");
????????????despeckled.writeImage(info);
????????????//?Convolve?image
????????????double[]?kernel?=?new?double[9];
????????????for?(int?i?=?0;?i?<?9;?i++)?{
????????????????kernel[i]?=?1.0;
????????????}
????????????kernel[4]?=?2.0;
????????????MagickImage?convolvedImage?=?image.convolveImage(3,?kernel);
????????????convolvedImage.setFileName("convolved.jpg");
????????????convolvedImage.writeImage(info);
????????????//?Finally?display?the?image.
????????????MagickWindow?window?=?new?MagickWindow(image);
????????????window.setVisible(true);
????????????//?MagickInfo?test
????????????MagickInfo?minfo?=?new?MagickInfo("JPEG");
????????????System.out.println("JPG?description:?"?+?minfo.getDescription());
????????}
????????catch?(MagickApiException?ex)?{
????????????System.err.println("MagickException:?"?+?ex?+?":?"?+?ex.getReason()
????????????????????+?",?"?+?ex.getDescription());
????????}
????????catch?(MagickException?ex)?{
????????????System.err.println("MagickException:?"?+?ex);
????????}
????}
}
?
?
?
?
?
?
MagickWindow.java 在java.awt组件中显示
?
package?images;
import?java.awt.Dimension;
import?java.awt.Frame;
import?java.awt.event.WindowAdapter;
import?java.awt.event.WindowEvent;
import?magick.MagickImage;
import?magick.util.MagickViewer;
/**
*?This?class?implements?a?window?that?displays?a?MagickImage.
*
*?@author?Eric?Yeo
*/
public?class?MagickWindow?extends?Frame?{
????/**
?????*?A?listener?that?exits?the?application?when?we?receive
?????*?the?window?closing?event.
?????*/
????private?final?class?MyListener?extends?WindowAdapter?{
??? ??? /**
??? ??? *?This?method?is?called?when?the?window?closes.
??? ??? */
??? ??? public?void?windowClosing(WindowEvent?event) {
???????? ??? System.exit(0);
??? ??? }
??? }
????/**
?????*?We?want?the?window?size?to?be?this?big.
?????*/
????public?Dimension?getPreferredSize()?{
??? ??? return?new?Dimension(250,?200);
????}
????/**
?????*?We?want?the?window?size?to?be?at?this?minimum.
?????*/
????public?Dimension?getMinimumSize()?{
??? ??? return?new?Dimension(300,?200);
????}
????/**
?????*?Constructor.
?????*/
????public?MagickWindow(MagickImage?image)
????{
??? ??? setResizable(true);
??? ??? addWindowListener(new?MyListener());
??? ??? MagickViewer?imageViewer?=?new?MagickViewer();
??? ??? add(imageViewer,?"Center");
??? ??? setTitle("Magick?Window");
??? ??? pack();
??? ??? imageViewer.setImage(image);
????}
}
