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How to include .txt on Qt

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  • P Offline
    P Offline
    Payx
    wrote on 21 Dec 2016, 14:36 last edited by
    #42

    Okay, so it's useless to write :

    bool IsCloseColor( QColor c1, QColor c2 ) {
    	int diffRed   = Math.abs(c1.red() - c2.red());
    	int diffGreen = Math.abs(c1.green() - c2.green());
    	int diffBlue  = Math.abs(c1.blue()  - c2.blue());
    
    	if (diffBlue+diffRed+diffGreen< 100){	/
    		return true;.
    		else
    				return false;
    
    
    	}
    }
    
    

    So if i understood well the "<100" is now useless. Can't we just return the color who have the minimum diffBlue+diffRed+diffGreen ?

    M 1 Reply Last reply 21 Dec 2016, 14:48
    0
    • P Payx
      21 Dec 2016, 14:36

      Okay, so it's useless to write :

      bool IsCloseColor( QColor c1, QColor c2 ) {
      	int diffRed   = Math.abs(c1.red() - c2.red());
      	int diffGreen = Math.abs(c1.green() - c2.green());
      	int diffBlue  = Math.abs(c1.blue()  - c2.blue());
      
      	if (diffBlue+diffRed+diffGreen< 100){	/
      		return true;.
      		else
      				return false;
      
      
      	}
      }
      
      

      So if i understood well the "<100" is now useless. Can't we just return the color who have the minimum diffBlue+diffRed+diffGreen ?

      M Offline
      M Offline
      mrjj
      Lifetime Qt Champion
      wrote on 21 Dec 2016, 14:48 last edited by
      #43

      @Payx
      The < 100 is the factor on How close the color was to the Base Color.
      So i do not understand u think its useless.

      How else would u compare them?

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      • P Offline
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        Payx
        wrote on 21 Dec 2016, 18:09 last edited by
        #44

        u said "do a list", instead of write ...<100, we can do a "for" and "return" the minimal "diffBlue+diffRed+diffGreen" or the all color no ?

        J 1 Reply Last reply 22 Dec 2016, 05:44
        0
        • P Payx
          21 Dec 2016, 18:09

          u said "do a list", instead of write ...<100, we can do a "for" and "return" the minimal "diffBlue+diffRed+diffGreen" or the all color no ?

          J Offline
          J Offline
          jsulm
          Lifetime Qt Champion
          wrote on 22 Dec 2016, 05:44 last edited by
          #45

          @Payx If you want to return the closest color from a list then you need to write a function similar to IsCloseColor. You iterate over the list, calculate the diff and store the color with the smallest diff and its diff in local variables, then return the color from that local variable.

          https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • P Offline
            P Offline
            Payx
            wrote on 22 Dec 2016, 16:30 last edited by
            #46

            I learn how to browse number (from 0 to 50) but how to browse a list ?

            M 1 Reply Last reply 22 Dec 2016, 16:40
            0
            • P Payx
              22 Dec 2016, 16:30

              I learn how to browse number (from 0 to 50) but how to browse a list ?

              M Offline
              M Offline
              mrjj
              Lifetime Qt Champion
              wrote on 22 Dec 2016, 16:40 last edited by
              #47

              @Payx
              No sure what "browse a list is"

                  QList<QColor> ColorList;
                  ColorList << QColor(100,100,100) << QColor(200,200,200) << QColor(0,0,100) ;
                  for( int c=0; c < ColorList.size();c++ ) {
                  QColor CurCol=ColorList[c]; // take from list
                  // ... do what u want
                  }
              
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              • P Offline
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                Payx
                wrote on 22 Dec 2016, 19:18 last edited by
                #48

                like compare all the color with a for

                you said it to me ^^

                @Payx
                No. use a list (of colors) and loop over it, checking each.

                i already have this (you give it to me)

                QMap<QRgb, CostInfo > Costs = {
                	{ QColor(255 , 0 , 0 ).rgb(), { "://fraise.png", 10 }},
                	{ QColor(0 , 255 , 0 ).rgb(), { "://balleverte.png", 20 }},
                	{ QColor(0 , 0 , 255 ).rgb(), { "://ballebleue.png", 20 }},
                	{ QColor(255 , 255 , 255 ).rgb(), { "://balleblanche.png", 20 }},
                	{ QColor(255 , 128 , 0 ).rgb(), { "://ballepeche.png", 20 }},
                	{ QColor(0 , 0 , 0 ).rgb(), { "://noir.png", 20 }},
                	{ QColor(102 , 51 , 0 ).rgb(), { "://marron.png", 20 }},
                	{ QColor(255 , 102 , 78 ).rgb(), { "://rose.png", 20 }},
                	{ QColor(0 , 204 , 204 ).rgb(), { "://turquoise.png", 20 }},
                	{ QColor(255 , 178 , 102 ).rgb(), { "://beige.png", 20 }},
                	{ QColor(76 , 0 , 153 ).rgb(), { "://violet.png", 20 }},
                	{ QColor(100 , 100 , 100 ).rgb(), { "://gris.png", 20 }},
                };
                
                bool IsCloseColor( QColor c1, QColor c2 ) {
                	int diffRed   = Math.abs(c1.red() - c2.red());
                	int diffGreen = Math.abs(c1.green() - c2.green());
                	int diffBlue  = Math.abs(c1.blue()  - c2.blue());
                
                	if (diffBlue+diffRed+diffGreen< 100){	/
                		return true;.
                		else
                				return false;
                
                
                	}
                }
                

                the function i want to create is to browse the Qmap and pick the color who got the minimum ""diffBlue+diffRed+diffGreen< 100""

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                • M Offline
                  M Offline
                  mrjj
                  Lifetime Qt Champion
                  wrote on 22 Dec 2016, 23:09 last edited by mrjj
                  #49

                  Hi
                  ok. i see. we had the code higher up.

                  Qcolor colour; // the one you compare too. set to something...
                  QMapIterator<QRgb, CostInfo >i(Costs);
                  while (i.hasNext()) {
                  i.next();
                  QColor BaseColor( i.key() ); // the color in table
                  if (Costs.contains( colour.rgb() ) || IsCloseColor(BaseColor, colour) ) { // directly have colour or it is < 100
                  //// we got a match
                  }
                  }// while

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                  • P Offline
                    P Offline
                    Payx
                    wrote on 24 Dec 2016, 12:41 last edited by
                    #50

                    Okay,

                    but we keep the code ?

                    because the <100 isn't good, you said we have to compare all the colors and see what colors match the best

                    1 Reply Last reply
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                    • M Offline
                      M Offline
                      mrjj
                      Lifetime Qt Champion
                      wrote on 24 Dec 2016, 13:40 last edited by
                      #51

                      Yes ?
                      Then change the 100.
                      Its just a value. You should examine your color and see
                      the value for color that you consider "The same"
                      Maybe its need to be 80 or 110. Depends on how close
                      the color must be for you to think its the same.

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                      • P Offline
                        P Offline
                        Payx
                        wrote on 24 Dec 2016, 21:50 last edited by
                        #52

                        Yes, but correct me if i'm wrong, it could be possible that it detect many colors under 100 right ?

                        M 1 Reply Last reply 25 Dec 2016, 08:28
                        0
                        • P Payx
                          24 Dec 2016, 21:50

                          Yes, but correct me if i'm wrong, it could be possible that it detect many colors under 100 right ?

                          M Offline
                          M Offline
                          mrjj
                          Lifetime Qt Champion
                          wrote on 25 Dec 2016, 08:28 last edited by
                          #53

                          @Payx
                          its a value. How high or low u need it to be , depends
                          on your application.

                          1 Reply Last reply
                          1
                          • P Offline
                            P Offline
                            Payx
                            wrote on 25 Dec 2016, 17:30 last edited by
                            #54

                            yes but i can't know exactly, thats why i put 100.

                            The things i want its the minimum of all the value

                            like a function who calcule all diffBlue+diffRed+diffGreen
                            and return me the minimum

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                            • P Offline
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                              Payx
                              wrote on 26 Dec 2016, 23:33 last edited by
                              #55
                              #include "mainwindow.h"
                              #include "ui_mainwindow.h"
                              #include <QPixmap>
                              #include <QImage>
                              #include <QFileDialog>
                              #include <QColor>
                              #include <QPoint>
                              #include <QSize>
                              #include <iostream>
                              using namespace std;
                              
                              
                              QColor Couleurdominante(const QImage& image, const QPoint& topLeft, const QSize& rectSize);
                              void Remplissage(QImage& image, const QPoint& topLeft, const QSize& rectSize, const QColor& colour);
                              
                              
                              MainWindow::MainWindow(QWidget *parent) :
                              	QMainWindow(parent),
                              	ui(new Ui::MainWindow)
                              {
                              		ui->setupUi(this);
                              
                              }
                              
                              
                              MainWindow::~MainWindow()
                              {
                              	delete ui;
                              }
                              
                              
                              
                              
                              void MainWindow::on_push_clicked()
                              {
                              	QString fileName = QFileDialog::getOpenFileName(this,
                              	tr("Open Image"), "/", tr("Image Files (*.png *.jpg *.bmp)"));
                              	QPixmap pix(fileName);
                              	ui->label->setPixmap(pix);
                              	const QSize s = pix.size();
                              	pixi = QImage(pix.toImage());
                              
                              	ui->label_2->setText( "Size: " + QString::number(s.width()) +" "+ QString::number(s.height()) );
                              
                              }
                              
                              void MainWindow::on_push2_clicked()
                              {
                              
                              
                              	for (int i=0;i<pixi.width();i+=z){
                              						 for (int j=0;j<pixi.height();j+=z){
                              							 k=k+0.06;
                              							Remplissage(pixi,QPoint(i,j),QSize(z,z),Couleurdominante(pixi,QPoint(i,j),QSize(z,z)));
                              
                              		}
                              	}
                              
                              	pixa=QPixmap::fromImage(pixi);
                              	ui->label_3->setPixmap(pixa);
                              	float a = k - 0.06*z;
                              	ui->label_4->setText(QString::number(a));
                              
                              }
                              
                              
                              
                              
                              void Remplissage(QImage& image, const QPoint& topLeft, const QSize& rectangle, const QColor& colour) {
                              
                              	int maxX = topLeft.x() + rectangle.width();
                              	int maxY = topLeft.y() + rectangle.height();
                              
                              	for(int x = topLeft.x(); x < maxX; ++x) {
                              		for(int y = topLeft.y(); y < maxY; ++y) {
                              			image.setPixelColor(x, y, colour);
                              			QMapIterator<QRgb, CostInfo>i;
                              			while (i.hasNext()) {
                              				i.next();
                              				QColor BaseColor( i.key() );
                              				if (Costs.contains( colour.rgb() ) || IsCloseColor(BaseColor, colour) )  {
                              					CostInfo& ci = Costs[colour.rgb()];
                              					int Cost = ci.Cost;
                              					QPixmap pix( ci.ImageName );
                              				}
                              
                              		}			}
                              	}
                              }
                              
                              
                              QColor Couleurdominante(const QImage & image,const QPoint & topLeft, const QSize & rectangle)
                              {
                              		int rouge = 0, vert = 0, bleue = 0;
                              
                              		int  X = topLeft.x() + rectangle.width();
                              		int  Y = topLeft.y() + rectangle.height();
                              
                              		for (int y = topLeft.y(); y < Y; y++)  {
                              				for (int x = topLeft.x(); x < X; x++)   {
                              						QRgb pixel = image.pixel(x, y);
                              
                              						rouge += qRed(pixel);
                              						vert += qGreen(pixel);
                              						bleue += qBlue(pixel);
                              				}
                              		}
                              
                              		int n = rectangle.width() * rectangle.height();
                              
                              		Q_ASSERT(n);
                              		if (n <= 0)
                              				return Qt::black;
                              
                              		return QColor(rouge / n, vert / n, bleue / n);
                              }
                              
                              
                              QMap<QRgb, CostInfo > Costs = {
                              	{ QColor(255 , 0 , 0 ).rgb(), { "://fraise.png", 10 }},
                              	{ QColor(0 , 255 , 0 ).rgb(), { "://balleverte.png", 20 }},
                              	{ QColor(0 , 0 , 255 ).rgb(), { "://ballebleue.png", 20 }},
                              	{ QColor(255 , 255 , 255 ).rgb(), { "://balleblanche.png", 20 }},
                              	{ QColor(255 , 128 , 0 ).rgb(), { "://ballepeche.png", 20 }},
                              	{ QColor(0 , 0 , 0 ).rgb(), { "://noir.png", 20 }},
                              	{ QColor(102 , 51 , 0 ).rgb(), { "://marron.png", 20 }},
                              	{ QColor(255 , 102 , 78 ).rgb(), { "://rose.png", 20 }},
                              	{ QColor(0 , 204 , 204 ).rgb(), { "://turquoise.png", 20 }},
                              	{ QColor(255 , 178 , 102 ).rgb(), { "://beige.png", 20 }},
                              	{ QColor(76 , 0 , 153 ).rgb(), { "://violet.png", 20 }},
                              	{ QColor(100 , 100 , 100 ).rgb(), { "://gris.png", 20 }},
                              };
                              
                              bool IsCloseColor( QColor c1, QColor c2 ) {
                              	int diffRed   = Math.abs(c1.red() - c2.red());
                              	int diffGreen = Math.abs(c1.green() - c2.green());
                              	int diffBlue  = Math.abs(c1.blue()  - c2.blue());
                              
                              	if (diffBlue+diffRed+diffGreen< 100){	/
                              		return true;.
                              		else
                              				return false;
                              
                              
                              	}
                              }
                              
                              void MainWindow::on_verticalSlider_sliderMoved(int position)
                              {
                              	ui->verticalSlider->setRange(1,50);
                              		z=position;
                              }
                              

                              It said that CostInfo, Costs are not declared

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                              • M Offline
                                M Offline
                                mrjj
                                Lifetime Qt Champion
                                wrote on 26 Dec 2016, 23:55 last edited by mrjj
                                #56

                                Maybe you use it above where you define it or maybe u didnt show it how CostInfo is defined.

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                                • P Offline
                                  P Offline
                                  Payx
                                  wrote on 27 Dec 2016, 12:22 last edited by
                                  #57

                                  I defined my QMap here :

                                  QMap<QRgb, CostInfo > Costs = {
                                  	{ QColor(255 , 0 , 0 ).rgb(), { "://fraise.png", 10 }},
                                  	{ QColor(0 , 255 , 0 ).rgb(), { "://balleverte.png", 20 }},
                                  	{ QColor(0 , 0 , 255 ).rgb(), { "://ballebleue.png", 20 }},
                                  	{ QColor(255 , 255 , 255 ).rgb(), { "://balleblanche.png", 20 }},
                                  	{ QColor(255 , 128 , 0 ).rgb(), { "://ballepeche.png", 20 }},
                                  	{ QColor(0 , 0 , 0 ).rgb(), { "://noir.png", 20 }},
                                  	{ QColor(102 , 51 , 0 ).rgb(), { "://marron.png", 20 }},
                                  	{ QColor(255 , 102 , 78 ).rgb(), { "://rose.png", 20 }},
                                  	{ QColor(0 , 204 , 204 ).rgb(), { "://turquoise.png", 20 }},
                                  	{ QColor(255 , 178 , 102 ).rgb(), { "://beige.png", 20 }},
                                  	{ QColor(76 , 0 , 153 ).rgb(), { "://violet.png", 20 }},
                                  	{ QColor(100 , 100 , 100 ).rgb(), { "://gris.png", 20 }},
                                  };
                                  

                                  And this is a function call no ?

                                  QMapIterator<QRgb, CostInfo>i;
                                  
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                                  • M Offline
                                    M Offline
                                    mrjj
                                    Lifetime Qt Champion
                                    wrote on 27 Dec 2016, 17:45 last edited by
                                    #58

                                    Hi
                                    And where is the definition for CostInfo ?

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                                    • P Offline
                                      P Offline
                                      Payx
                                      wrote on 28 Dec 2016, 01:54 last edited by
                                      #59

                                      i do not know, i thought CostInfo is the cost near the picture so i didnt needed to defined it no ?

                                      FlotisableF 1 Reply Last reply 28 Dec 2016, 02:48
                                      0
                                      • P Payx
                                        28 Dec 2016, 01:54

                                        i do not know, i thought CostInfo is the cost near the picture so i didnt needed to defined it no ?

                                        FlotisableF Offline
                                        FlotisableF Offline
                                        Flotisable
                                        wrote on 28 Dec 2016, 02:48 last edited by
                                        #60

                                        @Payx
                                        the compiler only knows the fundamental types or types defined.
                                        so you need to define CostInfo or compiler will give you an error.

                                        P 1 Reply Last reply 28 Dec 2016, 03:16
                                        0
                                        • FlotisableF Flotisable
                                          28 Dec 2016, 02:48

                                          @Payx
                                          the compiler only knows the fundamental types or types defined.
                                          so you need to define CostInfo or compiler will give you an error.

                                          P Offline
                                          P Offline
                                          Payx
                                          wrote on 28 Dec 2016, 03:16 last edited by
                                          #61

                                          @Flotisable Thank you,

                                          so i have to define CostInfo as an int ?

                                          FlotisableF 1 Reply Last reply 28 Dec 2016, 03:46
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