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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