/** constructor */
public DanceQueuePanel() {
// flow layout
setLayout(new FlowLayout());
// uses buffer to draw arrows based on queues in an array
myImage = new BufferedImage(600, 600, BufferedImage.TYPE_INT_RGB);
myBuffer = myImage.getGraphics();
// uses timer to queue buffer changes
time = 0;
timer = new Timer(5, new Listener());
timer.start();
setFocusable(true);
// picks instructions based on song & level
if (Danceoff.getSong() == -1 && Danceoff.getDifficulty() == 0) {
arrows = new Arrow[] {new UpArrow(1000), new DownArrow(2000), new LeftArrow(3000)};
}
// setBorder(BorderFactory.createTitledBorder(BorderFactory.createLineBorder(Color.BLACK, 3),
// "DanceQueuePanel"));
// load images for arrows
rightArrowImg = null;
leftArrowImg = null;
upArrowImg = null;
downArrowImg = null;
try {
rightArrowImg = ImageIO.read(new File("arrowB right.png"));
leftArrowImg = ImageIO.read(new File("arrowB left.png"));
upArrowImg = ImageIO.read(new File("arrowB up copy.png"));
downArrowImg = ImageIO.read(new File("arrowB down.png"));
} catch (IOException e) {
warn("YOU FAIL", e);
System.exit(2);
}
}
private void scaleImage() {
Image img =
back.getScaledInstance(scx(back.getWidth()), scy(back.getHeight()), Image.SCALE_SMOOTH);
back =
new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB);
Graphics g = back.getGraphics();
g.drawImage(img, 0, 0, null);
g.dispose();
}
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);
}
*/ }
private BufferedImage getSpecificImage(
int x,
int y,
int w,
int h,
int imgIndexX,
int imgIndexY,
BufferedImage buffImg,
int zoom,
int cachedZoom,
GMapListener listener,
boolean localFilesOnly) {
int xIndex = x / GDataSource.sourceSize.width;
int yIndex = y / GDataSource.sourceSize.height;
xIndex += imgIndexX;
yIndex += imgIndexY;
BufferedImage image = null;
if (!localFilesOnly || getGDataSource().isCached(xIndex, yIndex, zoom))
image = getIndexedImage(xIndex, yIndex, zoom, cachedZoom, listener);
int xCoord = x % GDataSource.sourceSize.width;
int yCoord = y % GDataSource.sourceSize.height;
// Checks for invalid xCoord and yCoord
if (xCoord < 0) {
xCoord = 0;
}
if (yCoord < 0) {
yCoord = 0;
}
// get info about the image
Dimension imageSize =
new Dimension(getGDataSource().sourceSize.width, getGDataSource().sourceSize.height);
// find the width of what we CAN paint
int initPaintWidth = imageSize.width - xCoord;
int initPaintHeight = imageSize.height - yCoord;
int paintWidth = initPaintWidth;
int paintHeight = initPaintHeight;
int rowImages = numOfRows(x, y, h, zoom, cachedZoom);
int colImages = numOfCols(x, y, w, zoom, cachedZoom);
if (imgIndexX >= colImages || imgIndexY >= rowImages) {
return null;
}
int xImage = 0;
int yImage = 0;
int xInitCoord = xCoord;
int yInitCoord = yCoord;
if (imgIndexX > 0) {
xImage = initPaintWidth + (imgIndexX - 1) * imageSize.width;
xCoord = 0;
if (imgIndexX < (colImages - 1)) {
paintWidth = imageSize.width;
} else {
paintWidth = w - ((colImages - 2) * imageSize.width) - (imageSize.width - xInitCoord);
}
}
if (imgIndexY > 0) {
yImage = initPaintHeight + (imgIndexY - 1) * imageSize.height;
yCoord = 0;
if (imgIndexY < (rowImages - 1)) {
paintHeight = imageSize.height;
} else {
paintHeight = h - ((rowImages - 2) * imageSize.height) - (imageSize.height - yInitCoord);
}
}
if (buffImg != null) {
Graphics2D g = (Graphics2D) buffImg.getGraphics();
if (image != null) {
// System.out.println(xCoord + ":" + yCoord + ":" + paintWidth + ":" + paintHeight);
g.drawImage(
image.getSubimage(xCoord, yCoord, paintWidth, paintHeight),
xImage,
yImage,
paintWidth,
paintHeight,
null);
} else {
Composite originalComposite = g.getComposite();
g.setComposite(opacity40);
g.setColor(Color.BLACK);
g.fillRect(xImage, yImage, paintWidth, paintHeight);
g.setComposite(originalComposite);
}
}
return buffImg;
}
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);
}
}
