Atitit 图像扫描器---基于扫描线
调用范例
* @throws FileExistEx
*/
public static void main(String[] args) throws FileExistEx {
String s = "C:\00p\a1115_210836_162 dilate.jpg.png";
String ext = filex.getExtName(s);
// s="C:\00capch\p5.jpg";
BufferedImage src = imgx.toImg(s);
ImgTraver_lineScaner trvr = new ImgTraver_lineScaner().setSrc(src);
trvr.cur_Pix_Point_process_Fun_Handler = pnt -> {
int rgb = src.getRGB(pnt.x, pnt.y);
HSV hsv = ColorUtil.rgb2hsv(rgb);
// System.out.println(pnt+ "hsv:"+hsv);
if (hsv.v < 0.6) // dark clolor
throw new CurPixArrivdBoderEx();
};
Rectangle rect = trvr.trav();
package com.attilax.img;
import java.awt.Color;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.util.function.Function;
import com.attilax.img.other.CurPixArrivdBoderEx;
import com.attilax.img.other.LineArrivdBorderEx;
import com.attilax.img.other.NewLineColorCheck;
import com.attilax.img.other.ProcessPointColor;
import com.attilax.io.FileExistEx;
import com.attilax.io.filex;
public class ImgTraver_lineScaner {
public static void main(String[] args) {
String s = "C:\00p\a1115_210836_162 dilate.jpg";
// s="C:\00capch\p5.jpg";
BufferedImage src = imgx.toImg(s);
// Rectangle rect=new ImgTraver_lineScaner().setSrc(src)
//new Rectangle(x, y, width, height)
// t();
System.out.println("--f");
}
private static void t() {
BufferedImage dest = null ;//= new DilateFilterV3().filter(src, null);
// BufferedImage dest= imgx.clone(src);
try {
imgx.save_png(dest, "C:\00p\a" + filex.getUUidName() + " dilate.jpg",false);
} catch (FileExistEx e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public BufferedImage getSrc() {
return src;
}
public ImgTraver_lineScaner setSrc(BufferedImage src) {
this.src = src;return this;
}
public void trave_downScan_lineByline(BufferedImage src, Point ini_select_Point_just4x) throws LineArrivdBorderEx {
int width = src.getWidth();
int height = src.getHeight();
for (int y = ini_select_Point_just4x.y; y < height; y++) {
scanLine(src, ini_select_Point_just4x, y);
}
}
public void trave_toDownScan_lineByline(BufferedImage src, Point ini_select_Point_just4x) throws LineArrivdBorderEx, CurPixArrivdBoderEx {
int width = src.getWidth();
int height = src.getHeight();
for (int y = ini_select_Point_just4x.y; y < height; y++) {
scanLineV2(src, ini_select_Point_just4x, y);
}
}
public ProcessPointColor cur_Pix_Point_process_Fun_Handler;
public Function<Integer,Boolean> checkIsMeetBorderPix_Handler;
public Function new_line_upNdown_evt_handler;
public Function new_line_scanFinish_evt_handler;
private BufferedImage src;
//public NewLineColorCheck newLineFirstColorCheckFun;
private void scanLine(BufferedImage src, Point ini_selectedPoint, int y) throws LineArrivdBorderEx {
new_line_upNdown_evt_handler.apply(new Point(ini_selectedPoint.x,y));
int cur_line_point_color = src.getRGB(ini_selectedPoint.x, y);// x is ini,y is next line point
if (checkIsMeetBorderPix_Handler.apply(cur_line_point_color))
throw new LineArrivdBorderEx();
// left scan
try {
leftScan(src, ini_selectedPoint, y);
} catch (CurPixArrivdBoderEx e) {
}
// right scan
try {
rightScan(src, ini_selectedPoint, y);
} catch (CurPixArrivdBoderEx e) {
}
}
private void scanLineV2(BufferedImage src, Point ini_selectedPoint, int y) throws LineArrivdBorderEx, CurPixArrivdBoderEx {
if(new_line_upNdown_evt_handler!=null)
new_line_upNdown_evt_handler.apply(new Point(ini_selectedPoint.x,y));
int cur_line_point_color = src.getRGB(ini_selectedPoint.x, y);// x is ini,y is next line point
if(checkIsMeetBorderPix_Handler!=null)
if (checkIsMeetBorderPix_Handler.apply(cur_line_point_color))
throw new LineArrivdBorderEx();
// left scan
leftScan(src, ini_selectedPoint, y);
// right scan
rightScan(src, ini_selectedPoint, y);
}
public void trave_upScan_lineByLine(BufferedImage src, Point ini_selectedPoint) throws LineArrivdBorderEx {
int width = src.getWidth();
int height = src.getHeight();
// ini_select_color_int = src.getRGB(ini_selectedPoint.x, ini_selectedPoint.y);
for (int y = ini_selectedPoint.y-1; y >0; y--) {
scanLine(src, ini_selectedPoint, y);
}
}
public void trave_toUpScan_lineByLine(BufferedImage src, Point ini_selectedPoint) throws LineArrivdBorderEx, CurPixArrivdBoderEx {
int width = src.getWidth();
int height = src.getHeight();
// ini_select_color_int = src.getRGB(ini_selectedPoint.x, ini_selectedPoint.y);
for (int y = ini_selectedPoint.y-1; y >0; y--) {
scanLineV2(src, ini_selectedPoint, y);
}
}
public void trave_toRitScan_lineByLine(int startX) throws LineArrivdBorderEx, CurPixArrivdBoderEx {
int width = src.getWidth();
int height = src.getHeight();
// ini_select_color_int = src.getRGB(ini_selectedPoint.x, ini_selectedPoint.y);
for (int x = startX; x<src.getWidth(); x++) {
scanLine_vert(x);
//scanLine(src, ini_selectedPoint, y);
if(new_line_scanFinish_evt_handler!=null)
new_line_scanFinish_evt_handler.apply(null);
}
}
/**
attilax 2016年11月16日 下午3:13:00
* @param src
* @param x
* @throws CurPixArrivdBoderEx
*/
@Deprecated
private void scanLine_vert_toRit(BufferedImage src, int x) throws CurPixArrivdBoderEx {
for (int y = 0; y<src.getHeight(); y++) {
if(x==15)
System.out.println("dbg");
Point preLeftPoint=new Point(x, y);
if(x<9)
{
System.out.println("dbg");
}
int clr=src.getRGB(preLeftPoint.x,preLeftPoint. y);
//if(checkIsMeetBorderPix_Handler.apply(clr))
this.cur_Pix_Point_process_Fun_Handler.apply(preLeftPoint);
//
}
}
public Point nowPoint;
public void trave_toLeftScan_lineByLine(int startX) throws LineArrivdBorderEx {
int width = src.getWidth();
int height = src.getHeight();
// ini_select_color_int = src.getRGB(ini_selectedPoint.x, ini_selectedPoint.y);
for (int x=startX;x>0;x--) {
try {
scanLine_vert( x);
} catch (CurPixArrivdBoderEx e) {
throw new LineArrivdBorderEx();
}
}
}
/**
attilax 2016年11月16日 下午3:23:11
* @param x
* @throws CurPixArrivdBoderEx
*/
private void scanLine_vert(int x) throws CurPixArrivdBoderEx {
for (int y = 0; y<src.getHeight(); y++) {
nowPoint=new Point(x, y);
if(x==15)
System.out.println("dbg");
Point preLeftPoint=new Point(x, y);
if(x<9)
{
System.out.println("dbg");
}
int clr=src.getRGB(preLeftPoint.x,preLeftPoint. y);
//if(checkIsMeetBorderPix_Handler.apply(clr))
this.cur_Pix_Point_process_Fun_Handler.apply(preLeftPoint);
//
}
}
/**
* left and curSelectPoint
* @param src
* @param ini_selectedPoint
* @param y
* @throws CurPixArrivdBoderEx
*/
private void leftScan(BufferedImage src,Point ini_selectedPoint, int y) throws CurPixArrivdBoderEx {
for (int x = ini_selectedPoint.x; x > 0; x--) {
if(x==15)
System.out.println("dbg");
Point preLeftPoint=new Point(x, y);
if(x<9)
{
System.out.println("dbg");
}
int clr=src.getRGB(preLeftPoint.x,preLeftPoint. y);
//if(checkIsMeetBorderPix_Handler.apply(clr))
this.cur_Pix_Point_process_Fun_Handler.apply(preLeftPoint);
//
}
}
private void rightScan(BufferedImage src, Point selectedPoint, int y) throws CurPixArrivdBoderEx {
//int select_color_int = src.getRGB(selectedPoint.x, selectedPoint.y);//-65536 red
//Color curClr=new Color(ini_select_color_int);
for (int x = selectedPoint.x+1; x < src.getWidth(); x++) {
Point nextRightPoint=new Point(x, y);
nowPoint=nextRightPoint;
this.cur_Pix_Point_process_Fun_Handler.apply(nextRightPoint);
}
}
/**
attilax 2016年11月9日 下午6:47:18
* @param img
* @param startPixPoint
*/
public void scan_Byline_from_startPixPoint(BufferedImage img, Point startPixPoint) {
try {
trave_downScan_lineByline(img, startPixPoint);
} catch (LineArrivdBorderEx e) {
}
try {
trave_upScan_lineByLine(img, startPixPoint);
} catch (LineArrivdBorderEx e) {
}
}
/**
attilax 2016年11月16日 下午3:37:24
* @return
*/
public Rectangle trav() {
int lastX = 0; int x = 0;int y = 0;int lastY = 0;
try {
trave_toLeftScan_lineByLine(src.getWidth()-1);
} catch (LineArrivdBorderEx e ) {
System.out.println(e.getMessage());
lastX=nowPoint.x;
if(lastX+2 <src.getWidth())
lastX=lastX+2;
}
try {
trave_toRitScan_lineByLine(0);
} catch (LineArrivdBorderEx | CurPixArrivdBoderEx e) {
System.out.println(e.getMessage());
x=nowPoint.x;
if(x-1!=0)
x=x-1;
}
try {
trave_toDownScan_lineByline(src,new Point(0,0) );
} catch (LineArrivdBorderEx | CurPixArrivdBoderEx e) {
System.out.println(e.getMessage());
y=nowPoint.y;
if(y-1!=0)
y=y-1;
}
try {
trave_toUpScan_lineByLine(src, new Point(0,src.getHeight()-1 ));
} catch (LineArrivdBorderEx | CurPixArrivdBoderEx e) {
System.out.println(e.getMessage());
lastY=nowPoint.y;
if(lastY+2 <src.getHeight())
lastY=lastY+2;
}
return new Rectangle(x, y, lastX-x, lastY-y);
}
}
作者:: 绰号:老哇的爪子 （ 全名：：Attilax Akbar Al Rapanui 阿提拉克斯 阿克巴 阿尔 拉帕努伊 ）
汉字名：艾提拉（艾龙）， EMAIL:1466519819@qq.com
转载请注明来源： http://www.cnblogs.com/attilax/
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