public void save(File file) throws IOException {
if (file.getName().endsWith(".gif")) {
ImageIO.write(_i, "png", file);
} else if (file.getName().endsWith(".jpg")) {
ImageIO.write(_i, "jpg", file);
} else {
if (!file.getName().endsWith(".png")) {
file = new File(file.toString() + ".png");
}
ImageIO.write(_i, "png", file);
}
}
/*======== public void save() ==========
Inputs: String filename
Returns:
saves the bufferedImage as a png file with the given filename
====================*/
public void save(String filename) {
try {
File fn = new File(filename);
ImageIO.write(bi, "png", fn);
} catch (IOException e) {
}
}
public void save(String filename, String type) {
try {
ImageIO.write(img, type, new File(filename + "." + type));
System.out.println("Saving under " + filename + "." + type);
} catch (Exception e) {
System.out.println("Kann Datei " + filename + "." + type + " nicht anlegen");
}
}
/**
* Writes this map to a JPG file.
*
* @param filename the path and name of the file to create.
*/
public void writeToJPGFile(String filename) throws IOException {
this.prepareToDraw();
BufferedImage buffImage =
new BufferedImage(p.getWidth(), p.getHeight(), BufferedImage.TYPE_INT_RGB);
Graphics2D graphics2D = buffImage.createGraphics();
try {
p.draw(graphics2D);
System.out.println("Writing picture to " + filename);
ImageIO.write(buffImage, "JPG", new File(filename));
} finally {
graphics2D.dispose();
}
}
public void write() {
System.out.println("Writing image");
BufferedImage img = new BufferedImage(1600, 1200, BufferedImage.TYPE_INT_RGB);
Graphics2D g = img.createGraphics();
g.setColor(Color.white);
g.fillRect(0, 0, 1600, 1200);
g.setColor(Color.black);
counts = new double[depth];
for (int i = 0; i < depth; i++) {
counts[i] = 0;
}
draw(root, g, 800, 10);
try {
File f = new File(jpeg);
ImageIO.write((RenderedImage) img, "jpeg", f);
} catch (Exception e) {
System.out.println("Error writing image data");
}
}
// Takes a PImage and compresses it into a JPEG byte stream
// Adapted from Dan Shiffman's UDP Sender code
public byte[] compressImage(PImage img) {
// We need a buffered image to do the JPG encoding
BufferedImage bimg = new BufferedImage(img.width, img.height, BufferedImage.TYPE_INT_RGB);
img.loadPixels();
bimg.setRGB(0, 0, img.width, img.height, img.pixels, 0, img.width);
// Need these output streams to get image as bytes for UDP communication
ByteArrayOutputStream baStream = new ByteArrayOutputStream();
BufferedOutputStream bos = new BufferedOutputStream(baStream);
// Turn the BufferedImage into a JPG and put it in the BufferedOutputStream
// Requires try/catch
try {
ImageIO.write(bimg, "jpg", bos);
} catch (IOException e) {
e.printStackTrace();
}
// Get the byte array, which we will send out via UDP!
return baStream.toByteArray();
}
// we define the method for downloading when pressing on the download button
public void qrvidlink() {
try {
System.setSecurityManager(new SecurityManager());
ipadd = tfIP.getText();
Interface client = (Interface) Naming.lookup("rmi://" + ipadd + "/getvid");
// Get the String entered into the TextField tfInput, convert to int
link = tfInput.getText();
vlink = client.getvid(link);
// here we receive the image serialized into bytes from the server and
// saved it on the client as png image
byte[] bytimg = client.qrvid(vlink);
BufferedImage img = ImageIO.read(new ByteArrayInputStream(bytimg));
File outputfile = new File("qrcode.png");
ImageIO.write(img, "png", outputfile);
// img= new ImageIcon(bytimg.toByteArray());
} catch (Exception e) {
System.out.println("[System] Server failed: " + e);
}
}
protected void filePNG() {
JFileChooser chooser = null;
File pngFile = null;
if (currentFile == null) {
chooser = new JFileChooser(startDirectory);
} else {
pngFile = new File(currentFile.getName() + ".png");
chooser = new JFileChooser(pngFile);
if (!currentFile.isDirectory()) {
chooser.setSelectedFile(currentFile);
}
}
if (pngFile == null) return;
try {
BufferedImage image = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_RGB);
paint(image.getGraphics());
ImageIO.write(image, "png", pngFile);
} catch (Exception e) {
}
return;
/* JFileChooser chooser = null;
File pngFile = null;
if (currentFile == null) {
chooser = new JFileChooser(startDirectory);
} else {
pngFile = new File(currentFile.getName()+".png");
chooser = new JFileChooser(pngFile);
if (!currentFile.isDirectory()) {
chooser.setSelectedFile(currentFile);
}
}
int returnVal = chooser.showSaveDialog(gw);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File pngFile = chooser.getSelectedFile();
int maxX = Integer.MIN_VALUE;
int minX = Integer.MAX_VALUE;
int maxY = Integer.MIN_VALUE;
int minY = Integer.MAX_VALUE;
while(Node node : getNodes()) {
if(node.getX() > maxX) {
maxX = node.getX();
}
if(node.getX() < minX) {
minX = node.getX();
}
if(node.getY() > maxY) {
maxY = node.getY();
}
if(node.getY() < minY) {
minY = node.getY();
}
}
BufferedImage image = new BufferedImage(maxX-minX+50,maxY-minY+50,BufferedImage.TYPE_INT_RGB);
ImageIO.write(image,"png",pngFile);
}
*/ }
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
response.setContentType("image/jpeg");
pageContext =
_jspxFactory.getPageContext(
this, request, response, "/myhtml/errorpage/erroe.jsp", true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("\r\n");
out.write("\r\n");
out.write('\r');
out.write('\n');
// 设置页é¢ä¸ç¼å
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
// å¨å
åä¸å建å¾è±¡
int width = 60, height = 20;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
// è·åå¾å½¢ä¸ä¸æ
Graphics g = image.getGraphics();
// çæéæºç±»
Random random = new Random();
// 设å®èæ¯è²
g.setColor(getRandColor(200, 250));
g.fillRect(0, 0, width, height);
// 设å®åä½
g.setFont(new Font("Times New Roman", Font.PLAIN, 18));
// ç»è¾¹æ¡
// g.setColor(new Color());
// g.drawRect(0,0,width-1,height-1);
// éæºäº§ç155æ¡å¹²æ°çº¿ï¼ä½¿å¾è±¡ä¸ç认è¯ç ä¸æ被å
¶å®ç¨åºæ¢æµå°
g.setColor(getRandColor(160, 200));
for (int i = 0; i < 155; i++) {
int x = random.nextInt(width);
int y = random.nextInt(height);
int xl = random.nextInt(12);
int yl = random.nextInt(12);
g.drawLine(x, y, x + xl, y + yl);
}
// åéæºäº§çç认è¯ç (4ä½æ°å)
String sRand = "";
for (int i = 0; i < 4; i++) {
String rand = String.valueOf(random.nextInt(10));
sRand += rand;
// å°è®¤è¯ç æ¾ç¤ºå°å¾è±¡ä¸
g.setColor(
new Color(
20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
// è°ç¨å½æ°åºæ¥çé¢è²ç¸åï¼å¯è½æ¯å
// 为ç§å太æ¥è¿ï¼æ以åªè½ç´æ¥çæ
g.drawString(rand, 13 * i + 6, 16);
}
// å°è®¤è¯ç åå
¥SESSION
session.setAttribute("rand", sRand);
// å¾è±¡çæ
g.dispose();
// è¾åºå¾è±¡å°é¡µé¢
ImageIO.write(image, "JPEG", response.getOutputStream());
out.clear();
out = pageContext.pushBody();
} catch (Throwable t) {
if (!(t instanceof SkipPageException)) {
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
try {
out.clearBuffer();
} catch (java.io.IOException e) {
}
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
else log(t.getMessage(), t);
}
} finally {
_jspxFactory.releasePageContext(_jspx_page_context);
}
}
private static void decompTest(
TJDecompressor tjd,
byte[] jpegBuf,
int jpegSize,
int w,
int h,
int pf,
String baseName,
int subsamp,
int flags,
TJScalingFactor sf)
throws Exception {
String pfStr, tempstr;
double t;
int scaledWidth = sf.getScaled(w);
int scaledHeight = sf.getScaled(h);
int temp1, temp2, imgType = pf;
BufferedImage img = null;
byte[] dstBuf = null;
if (yuv == YUVENCODE) return;
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
} else pfStr = pixFormatStr[pf];
System.out.print("JPEG -> ");
if (yuv == YUVDECODE) System.out.print("YUV " + subName[subsamp] + " ... ");
else {
System.out.print(pfStr + " ");
if (bi) System.out.print("(" + pixFormatStr[pf] + ") ");
if ((flags & TJ.FLAG_BOTTOMUP) != 0) System.out.print("Bottom-Up ");
else System.out.print("Top-Down ");
if (!sf.isOne()) System.out.print(sf.getNum() + "/" + sf.getDenom() + " ... ");
else System.out.print("... ");
}
t = getTime();
tjd.setJPEGImage(jpegBuf, jpegSize);
if (tjd.getWidth() != w || tjd.getHeight() != h || tjd.getSubsamp() != subsamp)
throw new Exception("Incorrect JPEG header");
temp1 = scaledWidth;
temp2 = scaledHeight;
temp1 = tjd.getScaledWidth(temp1, temp2);
temp2 = tjd.getScaledHeight(temp1, temp2);
if (temp1 != scaledWidth || temp2 != scaledHeight) throw new Exception("Scaled size mismatch");
if (yuv == YUVDECODE) dstBuf = tjd.decompressToYUV(flags);
else {
if (bi) img = tjd.decompress(scaledWidth, scaledHeight, imgType, flags);
else dstBuf = tjd.decompress(scaledWidth, 0, scaledHeight, pf, flags);
}
t = getTime() - t;
if (bi) {
tempstr =
baseName
+ "_dec_"
+ pfStr
+ "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD")
+ "_"
+ subName[subsamp]
+ "_"
+ (double) sf.getNum() / (double) sf.getDenom()
+ "x"
+ ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
}
if (yuv == YUVDECODE) {
if (checkBufYUV(dstBuf, dstBuf.length, w, h, subsamp) == 1) System.out.print("Passed.");
else {
System.out.print("FAILED!");
exitStatus = -1;
}
} else {
if ((bi && checkImg(img, pf, subsamp, sf, flags) == 1)
|| (!bi
&& checkBuf(
dstBuf,
scaledWidth,
scaledWidth * TJ.getPixelSize(pf),
scaledHeight,
pf,
subsamp,
sf,
flags)
== 1)) System.out.print("Passed.");
else {
System.out.print("FAILED!");
exitStatus = -1;
}
}
System.out.format(" %.6f ms\n", t * 1000.);
}
private static int compTest(
TJCompressor tjc,
byte[] dstBuf,
int w,
int h,
int pf,
String baseName,
int subsamp,
int jpegQual,
int flags)
throws Exception {
String tempstr;
byte[] srcBuf = null;
BufferedImage img = null;
String pfStr;
double t;
int size = 0, ps, imgType = pf;
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
} else pfStr = pixFormatStr[pf];
ps = TJ.getPixelSize(pf);
System.out.print(pfStr + " ");
if (bi) System.out.print("(" + pixFormatStr[pf] + ") ");
if ((flags & TJ.FLAG_BOTTOMUP) != 0) System.out.print("Bottom-Up");
else System.out.print("Top-Down ");
System.out.print(" -> " + subNameLong[subsamp] + " ");
if (yuv == YUVENCODE) System.out.print("YUV ... ");
else System.out.print("Q" + jpegQual + " ... ");
if (bi) {
img = new BufferedImage(w, h, imgType);
initImg(img, pf, flags);
tempstr =
baseName
+ "_enc_"
+ pfStr
+ "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD")
+ "_"
+ subName[subsamp]
+ "_Q"
+ jpegQual
+ ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
} else {
srcBuf = new byte[w * h * ps + 1];
initBuf(srcBuf, w, w * ps, h, pf, flags);
}
Arrays.fill(dstBuf, (byte) 0);
t = getTime();
tjc.setSubsamp(subsamp);
tjc.setJPEGQuality(jpegQual);
if (bi) {
if (yuv == YUVENCODE) tjc.encodeYUV(img, dstBuf, flags);
else tjc.compress(img, dstBuf, flags);
} else {
tjc.setSourceImage(srcBuf, w, 0, h, pf);
if (yuv == YUVENCODE) tjc.encodeYUV(dstBuf, flags);
else tjc.compress(dstBuf, flags);
}
size = tjc.getCompressedSize();
t = getTime() - t;
if (yuv == YUVENCODE)
tempstr =
baseName
+ "_enc_"
+ pfStr
+ "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD")
+ "_"
+ subName[subsamp]
+ ".yuv";
else
tempstr =
baseName
+ "_enc_"
+ pfStr
+ "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD")
+ "_"
+ subName[subsamp]
+ "_Q"
+ jpegQual
+ ".jpg";
writeJPEG(dstBuf, size, tempstr);
if (yuv == YUVENCODE) {
if (checkBufYUV(dstBuf, size, w, h, subsamp) == 1) System.out.print("Passed.");
else {
System.out.print("FAILED!");
exitStatus = -1;
}
} else System.out.print("Done.");
System.out.format(" %.6f ms\n", t * 1000.);
System.out.println(" Result in " + tempstr);
return size;
}