mapexplorer.java
来自「java调用ie浏览器demo源码,可以用在windows或者linux」· Java 代码 · 共 924 行 · 第 1/3 页
JAVA
924 行
org.jdic.web.BrMapOver brMapBack;
class MapClipper extends BrMap implements Printable {
public Rectangle rcArea;
public MapClipper(){
super();
}
public MapClipper(
int _iMapIndex,
double _viewCenterLatitude,
double _viewCenterLongitude,
int _viewZoomLevel,
int _viewType)
{
super(
_iMapIndex,
_viewCenterLatitude,
_viewCenterLongitude,
_viewZoomLevel,
_viewType);
}
public void addBoundAsSprite()
{
if(null!=rcArea){
BrMapSprite pg = new BrMapSprite();
pg.createFromPoints(this, new Point[] {
new Point(rcArea.x, rcArea.y),
new Point(rcArea.x + rcArea.width, rcArea.y),
new Point(rcArea.x + rcArea.width, rcArea.y + rcArea.height),
new Point(rcArea.x, rcArea.y + rcArea.height)
});
getSprites().add(pg);
}
}
public void paintGrid(Graphics g) {
if(isMapReady() && cbGrid.isSelected()){
Graphics2D g2 = (Graphics2D)g;
try{
double gridStep = Double.parseDouble(edScale.getText());
String result = execJS( "_fromPointToLatLng("
+ (rcArea.x + rcArea.width/2) + ","
+ (rcArea.y + rcArea.height/2) + ")" );
double m2p = getMeter2pixel( Double.parseDouble( result.split(",")[0]) );
double step = gridStep/m2p;
if( (step >= 3.0) && ((rcArea.height/step)<1000.0) ){
//the number of point in grid is big enouth
double iX0 = rcArea.x;
double iY0 = rcArea.y;
if(true){
//grid lines
final Color colorsR[] = new Color[] {
new Color(1.0F, 0.0F, 0.0F, 1.0F),
new Color(0.0F, 1.0F, 0.0F, 1.0F),
new Color(0.0F, 0.0F, 1.0F, 1.0F),
new Color(1.0F, 1.0F, 0.0F, 1.0F),
new Color(0.0F, 1.0F, 1.0F, 1.0F),
new Color(0.5F, 0.0F, 0.0F, 1.0F),
new Color(0.0F, 0.5F, 0.0F, 1.0F),
new Color(0.0F, 0.0F, 0.5F, 1.0F),
new Color(0.5F, 0.5F, 0.0F, 1.0F),
new Color(0.0F, 0.5F, 0.5F, 1.0F)
};
int iC = 0;
for(double iX = iX0; iX<(rcArea.x + rcArea.width); iX += step){
g2.setColor( colorsR[ iC % colorsR.length ] );
g2.drawLine((int)iX, rcArea.y, (int)iX, rcArea.y + rcArea.height - 1);
++iC;
}
iC = 0;
for(double iY = iY0; iY<(rcArea.y + rcArea.height); iY += step){
g2.setColor( colorsR[ iC % colorsR.length ] );
g2.drawLine(rcArea.x, (int)iY, rcArea.x + rcArea.width - 1, (int)iY);
++iC;
}
} else {
final Color colorsR[] = new Color[] {
new Color(1.0F, 0.0F, 0.0F, 0.15F),
new Color(0.0F, 1.0F, 0.0F, 0.15F),
new Color(0.0F, 0.0F, 1.0F, 0.15F)
};
final Color colorsC[] = new Color[] {
new Color(0.5F, 0.5F, 0.0F, 0.15F),
new Color(0.0F, 0.5F, 0.5F, 0.15F),
new Color(0.5F, 0.0F, 0.5F, 0.15F)
};
boolean bStartLine = false;
int iRow = 0;
for(double iX = iX0; iX<(rcArea.x + rcArea.width); iX += step){
++iRow;
int iCol = 0;
bStartLine = !bStartLine;
boolean bDraw = bStartLine;
for(double iY = iY0; iY<(rcArea.y + rcArea.height); iY += step){
++iCol;
g2.setColor( bDraw
? colorsR[ iRow % colorsR.length ]
: colorsC[ iCol % colorsC.length ]);
Rectangle rc = new Rectangle(
(int)iX, (int)iY,
(int)Math.min( step - 0.5, rcArea.x + rcArea.width - iX),
(int)Math.min( step - 0.5, rcArea.y + rcArea.height - iY) );
g2.fill(rc);
bDraw = !bDraw;
}
}
}
}
}catch(Exception e){}
}
}
@Override
public void paintContent(Graphics g) {
super.paintContent(g);
if(null!=rcArea){
paintGrid(g);
Graphics2D g2 = (Graphics2D)g;
g2.setColor(Color.BLACK);
g2.drawRect(
rcArea.x, rcArea.y,
rcArea.width-1, rcArea.height-1
);
}
}
public boolean bAutoArea = true;
@Override
public void onSelectionRectChanged(Rectangle rc, boolean bShow)
{
if(cbSelectWorkingArea.isSelected()){
((MapClipper)brMap).rcArea = rc;
if(!bShow){
SwingUtilities.invokeLater(new Runnable(){ public void run() {
bAutoArea = false;
btResetSelection.setEnabled(true);
if(null!=brMapBack){
brMapBack.setBounds(((MapClipper)brMap).rcArea);
}
repaint();
}});
} else {
repaint();
}
}
}
public void saveMap(String stFN)
{
System.out.println("save to " + stFN);
if(null!=rcArea){
Image im = new BufferedImage(
rcArea.width,
rcArea.height,
BufferedImage.TYPE_INT_BGR);
if(null!=im){
Graphics g = im.getGraphics();
try{
g.translate(-rcArea.x, -rcArea.y);
paintClientArea(g, true);
} finally {
g.dispose();
}
try{
stFN = stFN.toLowerCase();
if(!stFN.endsWith(".bmp")){
stFN += ".bmp";
}
File fn = new File(stFN);
ImageIO.write((RenderedImage)im, "BMP", fn);
int read = 1024;
InputStreamReader rd = new InputStreamReader(
getClass().getResourceAsStream("temp_ozf.map"));
char[] buf = new char[read];
StringBuffer sb = new StringBuffer(read);
while( -1 != (read = rd.read(buf, 0, read)) ){
sb.append(buf, 0, read);
}
rd.close();
String stFormat = sb.toString();
String result = execJS("_fromPointToLatLng("
+ rcArea.x + "," + rcArea.y + ","
+ (rcArea.x + rcArea.width) + "," + rcArea.y + ","
+ (rcArea.x + rcArea.width) + "," + (rcArea.y + rcArea.height) + ","
+ rcArea.x + "," + (rcArea.y + rcArea.height)+ ");"
);
String args[] = result.split(",");
for(int i=0; i<4; ++i){
double d = Double.parseDouble(args[i*2]);
String toRepl = String.format("$(4lt%d)", i+1);
stFormat = stFormat.replace(toRepl, "" + (int)Math.floor(d));
toRepl = String.format("$(mlat%d)", i+1);
String that = String.format("%2.6f", ((d - Math.floor(d))*60.0));
stFormat = stFormat.replace(toRepl, that );
d = Double.parseDouble(args[i*2+1]);
toRepl = String.format("$(4ln%d)", i+1);
stFormat = stFormat.replace(toRepl, "" + (int)Math.floor(d));
toRepl = String.format("$(mlng%d)", i+1);
that = String.format("%2.6f", ((d - Math.floor(d))*60.0));
stFormat = stFormat.replace(toRepl, that );
}
stFormat = stFormat.replace("$(8lat1)", args[0]);
stFormat = stFormat.replace("$(8lng1)", args[1]);
stFormat = stFormat.replace("$(8lat2)", args[2]);
stFormat = stFormat.replace("$(8lng2)", args[3]);
stFormat = stFormat.replace("$(8lat3)", args[4]);
stFormat = stFormat.replace("$(8lng3)", args[5]);
stFormat = stFormat.replace("$(8lat4)", args[6]);
stFormat = stFormat.replace("$(8lng4)", args[7]);
stFormat = stFormat.replace("$(scale)", "not impl yet");//scale in metters/pixel
String w5 = String.format("%5d", rcArea.width);
stFormat = stFormat.replace("$(5w)", w5);
String h5 = String.format("%5d", rcArea.height);
stFormat = stFormat.replace("$(5h)", h5);
stFormat = stFormat.replace("$(w)", ""+ rcArea.width);
stFormat = stFormat.replace("$(h)", ""+ rcArea.height);
stFormat = stFormat.replace("$(BMP)", fn.getName());
int iPos = stFN.lastIndexOf('.');
String stBMP = stFN.substring(0, iPos);
String stOZF2 = stBMP;
stBMP += "_ozf.map";
stOZF2 += ".ozf2";
stFormat = stFormat.replace("$(OZF2)", stOZF2);
FileWriter wt = new FileWriter(stBMP);
wt.write(stFormat);
wt.close();
}catch(Exception ex){
ex.printStackTrace();
}
}
}
}
@Override
public int print(Graphics g, PageFormat pf, int pageIndex) throws PrinterException {
if(pageIndex == 0 && null!=rcArea) {
Graphics2D g2d = (Graphics2D)g;
g2d.translate(
pf.getImageableX() - rcArea.x,
pf.getImageableY() - rcArea.y);
g2d.scale(
pf.getImageableWidth()/rcArea.width,
pf.getImageableHeight()/rcArea.height);
paintClientArea(g2d, true);
return Printable.PAGE_EXISTS;
}
return Printable.NO_SUCH_PAGE;
}
@Override
public void reshape(int x, int y, int width, int height)
{
super.reshape(x, y, width, height);
if( bAutoArea ){
rcArea = new Rectangle(68, 32, width - 68 - 2, height - 32 - 28);
}
if(null!=brMapBack){
brMapBack.setBounds(rcArea);
}
}
final Color colorSuccess = new Color(128, 255, 128);
final Color colorFail = new Color(255, 128, 128);
@Override
public void onFoundAddress(final String[] args) {
SwingUtilities.invokeLater(new Runnable(){ public void run() {
edAddress.setBackground(
( 4 == args.length)
? colorSuccess
: colorFail);
if(4 == args.length){
setZoomLevel(Math.max(14, getZoomLevel()));
setViewCenter(args[2] + "," + args[3]);
BrMapBalloonSprite bl = new BrMapBalloonSprite(
"<html><b>Location:</b><br><b style=\"color:green\">" + edAddress.getText() + "</b></html>",
getPoint(getViewCenter())
);
bl.add(brMap);
}
}});//end posponed operation
}
}
}
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