MAJ recadrage ~fonctionnel

NGCC/src/lecturePdf/Recadrage.java

@@ -1,37 +1,50 @@
 package lecturePdf;
 
 import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.geom.AffineTransform;
+import java.awt.image.AffineTransformOp;
+import java.awt.image.BufferedImage;
+
+
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
 import javax.imageio.ImageIO;
 
+
 public class Recadrage  {
-	 String dir="";
+	String dir="";
-	 String filename="";
+	String filename="";
-	 BufferedImage img;
+	BufferedImage img;
 
 
-	 public Recadrage(String directory,String file) {
+	public Recadrage(String directory,String file) {
-		 dir=directory;
+		dir=directory;
-		 filename=file;
+		filename=file;
-		 File f =new File(dir+filename);
+		File f =new File(dir+filename);
+		try {
+			img=ImageIO.read(f);
+		} catch (IOException e) {
+			//System.out.println(e);
+		}
+	}
 	
-		 try {
+	public Recadrage(BufferedImage image) {
-			 img=ImageIO.read(f);
+		img=image;
-		 } catch (IOException e) {
+	}
-				System.out.println(e);
-			}
-	 }
 
-    public boolean estDroite() {	//determine si l'image png/jpg du pdf est droite
+	public boolean estDroite() {	//determine si l'image png/jpg du pdf est droite  (doit etre en noir et blanc)
 		int count=0;
 		boolean stop=false;
 		for (int ty=0; ty<100 && !stop;ty++) {
 			for (int tx=0;tx<img.getWidth();tx++) {
 
 				Color tmp=new Color(img.getRGB(tx, ty));
-				if (tmp.getGreen()<10) {
+				if (tmp.getGreen()<20) {
 					count++;
 					stop=true;
 				}
@@ -40,14 +53,357 @@ public class Recadrage  {
 		if (count>img.getWidth()/5.4 && count <img.getWidth()/5)
 			return true;
 		return false;
-    }
+	}
 
 	
 	
-    public static void main(String avg[]) 
+	
-    {
+	
-    	Recadrage rec=new Recadrage ("P:\\Bureau\\ptut s3\\eclipse\\image\\","sujet0.jpg");
+	
-    	System.out.println(rec.estDroite());
+	
-    }
+	
+	public void automation() throws IOException {
+		if (!this.estDroite()) {
+			int[][] points=RdB();
+			double angle=getAngle(points);
+			System.out.println("l'angle est de = "+angle);
+			//this.pivot(angle);
+			/*AffineTransform tx = new AffineTransform();
+		    tx.rotate(angle, img.getWidth() / 2,img.getHeight() / 2);
+		    AffineTransformOp op = new AffineTransformOp(tx,
+		        AffineTransformOp.TYPE_BILINEAR);
+		    BufferedImage image = op.filter(img, null);*/
+			
+		    
+		    img=rotate(img,angle);
+		    String nomImage="sortie";
+			File nomfichier = new File("C:\\Users\\Xxsafirex\\Desktop\\Image\\" + nomImage + ".jpg");// ou jpg
+			ImageIO.write(img, "JPG", nomfichier);//ou JPG
+			
+		}
+	}
+
+	
+	
+	
+	
+	
+	
+	
+	
+	
+	public int[][] RdB() {		// cherche les 4 points noirs
+		int[][] roar = new int[img.getWidth()*img.getHeight()][2];
+
+		int[][] regroupY = new int[img.getWidth()*img.getHeight()][2];
+		int boucleY=0;int groupYi=0;
+		int i=0;
+		int diamMax=0;
+		int radius=8;			// 19= limite de detection de checkCircle
+		for (int ty=0; ty<img.getHeight();ty++) {
+			for (int tx=0;tx<img.getWidth();tx++) {
+
+				Color tmp=new Color(img.getRGB(tx, ty));
+				if (tmp.getGreen()<20) { 	//si le pixel  est noir
+					if (checkCircle(tx,ty,radius) ) {	//verifie si un cercle de radius entoure le pixel
+						roar[i][0]=tx;
+						roar[i][1]=ty;
+						i++;
+					}
+				}
+			}
+		}
+		//System.out.println("fin");
+		int tempora=0;
+		int tmp=1;
+		int roar2[][]=new int [img.getWidth()*img.getHeight()][2];
+		roar2[0]=roar[0];
+		for (int l=0;l<img.getHeight()*img.getWidth() && (roar[l][1]!=0 || roar[l][0]!=0);l++) {
+			if((roar[l][0]-roar2[tmp-1][0])<5 || roar[l][1]-roar2[tmp-1][1]<5 ){		//x-(x-1)>5 ou y-(y-1)>5
+				roar2[tmp][0]=roar[l][0];			//efface le precedent roar2 si il était a 1 pixel de diff
+				roar2[tmp][1]=roar[l][1];
+			}
+			else {
+				tmp++;
+				roar2[tmp]=roar[l];
+			}
+			
+		}
+		
+		//boucle de determination des points noirs
+		//System.out.println("roar2debut");
+		int points[][]=new int [4][2];
+		int lastRoar[][]=new int [roar2.length][2]; int boucl=0; int lasti=0;
+		int t=0;
+		for (int l=1;l<=img.getHeight()*img.getWidth() && (roar2[l-1][1]!=0 || roar2[l-1][0]!=0);l++) {
+
+
+			
+			int diffx=roar2[l][0]-roar2[l-1][0];
+			int diffy=roar2[l][1]-roar2[l-1][1];
+			int diff=Math.abs(diffx)+Math.abs(diffy);
+			if (diff>img.getWidth()*0.85)
+			{
+				points[t]=roar2[l];
+				t++;
+			}
+			
+			if (diffx<10 && diffy<10) {
+				boucl++;
+			}
+			else {
+				lastRoar[lasti][0]=roar2[l-boucl/2][0];
+				lastRoar[lasti][1]=roar2[l-boucl/2][1];
+				lasti++;boucl=0;
+			}
+		}
+		
+		
+		
+		//System.out.println("lasrorar");
+		for (int l=0;l<=lastRoar.length && (lastRoar[l][1]!=0 || lastRoar[l][0]!=0);l++) {
+			//System.out.println("x: "+lastRoar[l][0]+"   y: "+lastRoar[l][1]);	//reste a grouper les coord pour avoir le centre des ronds
+		}
+		
+		
+		
+		for (int l=0;l<=lastRoar.length && (lastRoar[l][1]!=0 || lastRoar[l][0]!=0);l++) {	
+			boolean test=true;
+			int maxPoint=0;
+			for (int li=0;li<=points.length && (points[li][1]!=0 || points[li][0]!=0);li++) {
+				int diffx=	Math.abs(lastRoar[l][0]-points[li][0]);
+				int diffy=	Math.abs(lastRoar[l][1]-points[li][1]);
+				boolean testx=		diffx>img.getWidth()*0.85 	|| diffx<img.getWidth()*0.2;	//diff   <0.1 ou >0.8 x la largeur de feuille
+				boolean testy=		diffy>img.getHeight()*0.8 	|| diffy<img.getWidth()*0.2;
+				boolean Repeat=	diffx+diffy>img.getWidth()*0.2;	 //si point deja présent
+
+				if (!Repeat || (!testx || !testy) )	// si 0.2>diffx>0.8 ou "diffy" et  
+				{
+					test=false;
+				}
+				maxPoint=li;
+			}
+			
+			if(test && maxPoint<2) {
+				//System.out.println(lastRoar[l][0]+"   "+lastRoar[l][1]);
+				points[maxPoint+1][0]=lastRoar[l][0];
+				points[maxPoint+1][1]=lastRoar[l][1];
+			}
+		}
+		//System.out.println("point");
+		for (int l=1;l<=points.length;l++) {
+			System.out.println("x: "+points[l-1][0]+"   y: "+points[l-1][1]);	
+		}
+
+		return points;
+
+	}
+
+
+
+
+
+
+	public boolean checkCircle(int x,int y,int radius) {
+		double pi=Math.PI; //3.14
+		Color tmp;
+		for (double k=-1;k<=1;k+=0.05) {						// de 0 à 2 pi
+			int px=x+(int)Math.round(radius*Math.cos(k*pi));		//px = pos x du contour du supposé cercle
+			int py=y+(int)Math.round(radius*Math.sin(k*pi));		//diam calculé +/- 42 pixels
+			if(py<0)py=0;
+			if(py>img.getHeight())py=img.getHeight()-1;
+			if(px<0)px=0;
+			if (px>img.getWidth())px=img.getWidth()-1;
+			tmp=new Color(img.getRGB(px, py));
+			if (tmp.getGreen()>20) {		//si pixel == blanc
+				return false;
+			}
+		}
+		return true;
+	}
+
+
+	public double getAngle(int[][] tab) {
+		double[] res= new double[4];int resi=0;
+		int cmpt=0;
+		int angle=0;
+		for (int i=0;i<tab.length;i++) {
+			if (!(tab[i][0]==0) || !(tab[i][1]==0))
+				cmpt++;
+		}
+		//System.out.println("cmpt = "+cmpt);
+		
+		if (cmpt<=1) {
+			 return 0; //RIP CODE
+		}
+		
+		for (int i=1;i<tab.length && (!(tab[i][0]==0) || !(tab[i][1]==0));i++) {
+			for(int c=1;i<tab.length && (tab[c][0]!=0 || tab[c][1]!=0);i++)
+			{
+				int diffx=tab[i-1][0]-tab[i][0];
+				int diffy=tab[i-1][1]-tab[i][1];
+				
+				double yb=tab[i][1];
+				double xb=tab[i][0];
+				double ya=tab[i-1][1];
+				double xa=tab[i-1][0];
+				
+				double pointy,pointx;
+				pointy=yb; 				//pointy/x = coord du 3e point de triangle rectangle
+				pointx=xa;				
+				//System.out.println("xb"+ xb +   "           xa "+xa);
+	
+				double dhypo=Math.sqrt(Math.pow(xb-xa,2)+Math.pow(yb-ya,2));//(yb-ya)/(xb-xa);
+				
+				
+				double dadj=Math.sqrt(Math.pow(xb-pointx, 2)+Math.pow(yb-pointy, 2));	//adjacent / rapport a xb,yb
+				
+				System.out.println("dadj "+dadj + " dhypo "+dhypo);
+				
+				
+				if (dhypo<img.getWidth() && dhypo!=0) {	//deux points selectionnés sont des diagonales
+					double retour=Math.acos(dadj/dhypo)*(180/Math.PI);
+					if (retour>90/2)
+						retour=180-90-retour;
+					
+					if((xa<xb && ya<yb )||( xb<xa && yb<ya))				//point de droite plus haut que celui de gauche
+						return -retour;
+					else
+						return retour;
+				}
+				/*else {			//deux points sont en diagonnale
+					double retour=Math.acos(dadj/dhypo)*(180/Math.PI);		// ne marche pas 
+					return (Math.abs(45-retour)/2);
+					
+				}*/
+			
+				
+			}
+			
+			
+		}
+		
+		
+		
+		return 0;
+	}
+
+
+
+
+	private int[] circle()  //code de paul
+	{
+
+
+		int[] coor = new int[2];
+		for (int y=0; y<img.getHeight();y++) {		//y de 0 a ymax
+			for (int x=0; x<img.getWidth();x++) {	// x a xmax
+
+				Color tmp=new Color(img.getRGB(x, y));
+				if(tmp.getBlue() < 10)				//si pixel noir
+				{
+					int tempX = x;
+					int tempY = y;
+
+					int tempX2 = x;
+					int tempY2 = y;
+
+					int longueur = 0;
+					int diam = 0;
+
+					Color tmp2 = new Color(img.getRGB(tempX, y));
+					while(tmp2.getBlue()< 10)
+					{
+
+						tempX++;
+						longueur++;
+						tmp2 =new Color(img.getRGB(tempX, y));
+
+					}
+
+					tempX2 = x+(longueur/2);
+
+					tmp2 = new Color(img.getRGB(tempX2, tempY));
+
+					while(tmp2.getBlue() < 10)
+					{
+
+						tempY++;
+						diam++;
+						tmp2 =new Color(img.getRGB(tempX2, tempY));
+
+					}
+
+					tempY2 = y+(diam/2);
+
+
+					while(tmp2.getBlue() < 10)
+					{
+						if(x == tempX2 + (int)(Math.sin(x)) && y == (int)(Math.cos(y))) return new int[] {tempX,tempY};
+
+						tmp2 = new Color(img.getRGB((int)(tempX+Math.sin(x)),(int) (tempY+Math.cos(y))));	
+						x++;
+						y++;
+					}
+					x = tempX2;
+					y = tempY2;
+				}
+			}
+
+		}
+		return new int[] {-1,-1};
+	}
+
+	//rotation de https://stackoverflow.com/questions/37758061/rotate-a-buffered-image-in-java
+	public static BufferedImage rotate(BufferedImage bimg, double angle) {		
+	    int w = bimg.getWidth();    
+	    int h = bimg.getHeight();
+
+	    BufferedImage rotated = new BufferedImage(w, h, bimg.getType());  
+	    Graphics2D graphic = rotated.createGraphics();
+	    graphic.rotate(Math.toRadians(angle), w/2, h/2);
+	    graphic.drawImage(bimg, null, 0, 0);
+	    graphic.dispose();
+	    return rotated;
+	}
+
+	public static void main(String avg[]) throws IOException 
+	{
+		//Recadrage3 rec=new Recadrage3 ("P:\\Bureau\\ptut s3\\eclipse\\image\\","sujet1.jpg");
+		Recadrage rec=new Recadrage ("C:\\Users\\Xxsafirex\\Desktop\\Image\\","sujet1.4.jpg");		
+    	
+    	/*
+		int[] listPos=new int[500];
+		listPos[0]=5+900;
+		listPos[1]=7+800;
+		//System.out.println(listPos[0]==905);
+		 */
+
+		//System.out.println(rec.estDroite());
+		/*
+    	int x=5,y=5,radius=2;
+    	double pi= Math.PI;
+    	double k=-0.75;    		//k=0 = droit du cercle
+    	int px=x+(int)Math.round(radius*Math.cos(k*pi));		//px = pos x du contour du supposé cercle
+		int py=y+(int)Math.round(radius*Math.sin(k*pi));
+    	//System.out.println("x : "+px+"   y: "+py);
+		 */
+		
+
+		String nomImage="rendu";
+		File nomfichier = new File("C:\\Users\\Xxsafirex\\Desktop\\Image\\" + nomImage + ".jpg");// ou jpg
+		ImageIO.write(rec.img, "JPG", nomfichier);//ou JPG
+		
+
+		rec.automation();
+		
+		
+		
+		//rec.circlePixel();
+
+		/*int[] tmp= new int[2];
+    			tmp=rec.circle(); 								code de paul
+    	//System.out.println("x= "+tmp[0]+"    y="+tmp[1]);*/
+	}
 
 }