form1.ui.h

qt qimage 显示图象类的使用

/****************************************************************************
** ui.h extension file, included from the uic-generated form implementation.
**
** If you wish to add, delete or rename functions or slots use
** Qt Designer which will update this file, preserving your code. Create an
** init() function in place of a constructor, and a destroy() function in
** place of a destructor.
*****************************************************************************/
#include <qimage.h>
#include <qpainter.h>
#include <qlineedit.h>
#include <qpainter.h>
#include <qpoint.h>
#include <qcolor.h>
#include <qstring.h>
#include <iostream.h>
#include <qfiledialog.h>
#include <qdatetime.h>
#include <qrect.h>
#include <qcolor.h>
#include <qcombobox.h>
#include <iostream.h>
#include <math.h>
#include <qpixmap.h>
#include <qmessagebox.h>

//#define ABS(a) (a) >= 0? (a):-(a)

QString filedirA, filedirB, filepathA, filepathB, filedirSave;
bool openflagA=FALSE,openflagB=FALSE, openSaveflag = FALSE;

int min(int r, int g, int b)
{
    //if((r == g) && (r == b)) {return -1;}
    if ((r <= g) && (r <= b)) {
        return r;
    } else if ((g <= r) && (g <= b)) {
        return g;
    } else return b;
};

bool Savefile(QRadioButton *rb,QString filename,QLineEdit *le,QImage img)
{
    if (rb->isChecked()) {
        if ((!openSaveflag) && (le->text() == "")) {

            QMessageBox::warning(0,"File save failed","Please choose a Directory to save your pictures !");
            return FALSE;
        }
        filedirSave = le->text();
        QString s;
        s.sprintf("/");
        s = s + filename;
        s = filedirSave + s;
        if (img.save(s,"JPEG") == FALSE) return FALSE;
        return TRUE;
    }
    //else return FALSE;
};

QImage filter(QImage image)
{
    QRgb rgb;
    int r,g,b;
    uint *p;
    QImage imagetemp = image;
    int x = 0, y = 0;
    for (y = 1;y < image.height() - 1;y++) {
        for (x = 1;x < image.width()-1;x++) {
            rgb = image.pixel(x,y);
            r = (int)((float)( qRed(image.pixel(x-1,y-1)) + qRed(image.pixel(x,y-1)) + qRed(image.pixel(x+1,y+1)) + qRed(image.pixel(x-1,y)) + qRed(image.pixel(x,y)) + qRed(image.pixel(x+1,y)) + qRed(image.pixel(x-1,y+1)) + qRed(image.pixel(x,y+1)) + qRed(image.pixel(x+1,y+1)) ) / 9.0 );
            g = (int)((float)( qGreen(image.pixel(x-1,y-1)) + qGreen(image.pixel(x,y-1)) + qGreen(image.pixel(x+1,y+1)) + qGreen(image.pixel(x-1,y)) + qGreen(image.pixel(x,y)) + qGreen(image.pixel(x+1,y)) + qGreen(image.pixel(x-1,y+1)) + qGreen(image.pixel(x,y+1)) + qGreen(image.pixel(x+1,y+1)) ) / 9.0 );
            b = (int)((float)( qBlue(image.pixel(x-1,y-1)) + qBlue(image.pixel(x,y-1)) + qBlue(image.pixel(x+1,y+1)) + qBlue(image.pixel(x-1,y)) + qBlue(image.pixel(x,y)) + qBlue(image.pixel(x+1,y)) + qBlue(image.pixel(x-1,y+1)) + qBlue(image.pixel(x,y+1)) + qBlue(image.pixel(x+1,y+1)) ) / 9.0 );

            p = (uint *)imagetemp.scanLine(y) + x;
            *p = qRgb(r,g,b); 
        }
    }
    return imagetemp;
};

QImage threshold(QImage image,int limit)
{
    QRgb rgb;
    int r,g,b;
    uint *p;
    QImage imagetemp = image;
    int x=0,y=0;
    for (y=0;y<image.height();y++) {
        for (x=0;x<image.width();x++) {
            rgb = image.pixel(x,y);
            r = (qRed(rgb) > limit)? 255:0;
            g = (qGreen(rgb) > limit)? 255:0;
            b = (qBlue(rgb) > limit)? 255:0;

            p = (uint *)imagetemp.scanLine(y) + x;
            *p = qRgb(r,g,b);
        }
    }
    return imagetemp;
};


QImage calH(QImage img)
{
    int x = 0, y = 0;
    int r, g, b;
    int h, l;
    QRgb rgb;

    QImage imagetemp = img;
    uint *p;

    for (y = 0; y < img.height(); y++) {
        for (x = 0; x < img.width(); x++) {
            rgb = img.pixel(x,y);
            r = qRed(rgb);
            g = qGreen(rgb);
            b = qBlue(rgb);
            l = (int)((float)(r + g + b) / 3.0);

            if ((r == g) && (r == b)) {
                h = 170;//  2/3 max(255)
                p = (uint *)imagetemp.scanLine(y) + x;
                *p = qRgb(h,h,h); 
            } else if (min(r,g,b) == r) {
                h = (int)((((float)(b - r) / (float)(l - r) / 3.0) + 1.0) / 3.0 * 255.0);
            } else if (min(r,g,b) == g) {
                h = (int)((((float)(r - g) / (float)(l - g) / 3.0) + 2.0)/ 3.0 * 255.0);
            } else {
                h = (int)((((float)(g - b) / (float)(l - b) / 3.0) + 1.0) / 3.0 * 255.0);
            }
            p = (uint *)imagetemp.scanLine(y) + x;
            *p = qRgb(h,h,h);   
        }
    }
    return imagetemp;
};

QImage calHint(QImage img)
{
    int x = 0, y = 0;
    int r, g, b;
    int h;
    QRgb rgb;

    QImage imagetemp = img;
    uint *p;

    for (y = 0; y < img.height(); y++) {
        for (x = 0; x < img.width(); x++) {
            rgb = img.pixel(x,y);
            r = qRed(rgb);
            g = qGreen(rgb);
            b = qBlue(rgb);


            if ((r == g) && (r == b)) {
                h = 170;//  2/3 max(255)
                p = (uint *)imagetemp.scanLine(y) + x;
                *p = qRgb(h,h,h); 
            } else if (min(r,g,b) == r) {
                h = 85*(g+2*b-3*r)/(g+b-2*r);
            } else if (min(r,g,b) == g) {
                h = 85*(3*r+2*b-5*g)/(r+b-2*g);
            } else {
                h = 85*(r+2*g-3*b)/(r+g-2*b);
            }
            p = (uint *)imagetemp.scanLine(y) + x;
            *p = qRgb(h,h,h);   
        }
    }
    return imagetemp;

};

QImage calL(QImage img)
{
    int x = 0, y = 0;
    int r, g, b;
    int l;
    QRgb rgb;

    QImage imagetemp = img;
    uint *p;

    for (y = 0; y < img.height(); y++) {
        for (x = 0; x < img.width(); x++) {
            rgb = img.pixel(x,y);
            r = qRed(rgb);
            g = qGreen(rgb);
            b = qBlue(rgb);
            l = (int)((float)(r + g + b) / 3.0);

            p = (uint *)imagetemp.scanLine(y) + x;
            *p = qRgb(l,l,l);    
        }
    }
    return imagetemp;
};

QImage calS(QImage img)
{
    int x = 0, y = 0;
    int r, g, b;
    int l,s;
    QRgb rgb;

    QImage imagetemp = img;
    uint *p;

    for (y = 0; y < img.height(); y++) {
        for (x = 0; x < img.width(); x++) {
            rgb = img.pixel(x,y);
            r = qRed(rgb);
            g = qGreen(rgb);
            b = qBlue(rgb);
            l = (int)((float)(r + g + b) / 3.0);
            if (min(r,g,b) == r) {
                s = (int)(((float)r / (float)l) * 255.0);
            } else if (min(r,g,b) == g) {
                s = (int)(((float)g / (float)l) * 255.0);
            } else if (min(r,g,b) == b) {
                s = (int)(((float)b / (float)l) * 255.0);
            } else {
                s = (int)(((float)r / (float)l) * 255.0);
            }

            p = (uint *)imagetemp.scanLine(y) + x;
            *p = qRgb(s,s,s);    
        }
    }
    return imagetemp;

}


QImage GetNperM(QImage img, int n)
{

}

void Form1::init()
{
    comboBoxAB->insertItem("Image A",0);
    comboBoxAB->insertItem("Image B",1);

    comboBoxfomat->insertItem("JPEG",0);
    comboBoxfomat->insertItem("BMP",1);
    comboBoxfomat->insertItem("PNG",2);
    comboBoxfomat->insertItem("XPM",3);

    comboBoxRGBAB->insertItem("Image A", 0);
    comboBoxRGBAB->insertItem("Image B", 1);

    comboBoxRGB->insertItem("R", 0);
    comboBoxRGB->insertItem("G", 1);
    comboBoxRGB->insertItem("B", 2);

    comboBoxHLSAB->insertItem("Image A",0);
    comboBoxHLSAB->insertItem("Image B",1);

    comboBoxHLS->insertItem("H",0);
    comboBoxHLS->insertItem("L",1);
    comboBoxHLS->insertItem("S",2);  
    comboBox3x3AB->insertItem("Image A",0);
    comboBox3x3AB->insertItem("Image B",1);

    comboBoxThreshold->insertItem("Image A",0);
    comboBoxThreshold->insertItem("Image B",1);

    comboBoxGetAB->insertItem("Image A",0);
    comboBoxGetAB->insertItem("Image B",1);
    // QPixmap pix("images/back.png");
    // this->setPaletteBackgroundPixmap(pix);

}

void Form1::different()
{
    if ((!openflagA) && (lineEditA->text() == "")) {
        lineEdit1->setText("WARNING: Please select image A"); return;
    }
    if ((!openflagB) && (lineEditB->text() == "")) {
        lineEdit1->setText("WARNING: Please select image B"); return;
    }

    filedirA = lineEditA->text();
    filedirB = lineEditB->text();

    QImage imageA(filedirA);
    QImage imageB(filedirB);
    QImage imagetemp = imageB;

    QPainter p( this );

    p.drawImage(QRect(QPoint(70,110),QPoint(198,206)),imageA);
    p.drawImage(QRect(QPoint(280,110),QPoint(408,206)),imageB);
    //p.drawImage(QPoint(20,190), imageA);
    // p.drawImage(QPoint(300,190), imageB);

    int imgwidth, imgheight, difcount(0);

    int x,y;
    uint *q;
    //  int i=0;
    QString str;

    QRgb rgbA, rgbB;
    int rA,gA,bA,rB,gB,bB;

    int difvalue = spinBox1->value();


    imgwidth = imageA.width();
    imgheight = imageA.height();

    if (imageA != imageB) {
        if ((imageA.size() != imageB.size())) {
            lineEdit1->setText("WARNING: Their SIZE are NOT same!!!");
            return;
        }

        else {
            //lineEdit1->setText("processing...");

            for (y = 0; y < imgheight; y++) {
                for (x = 0; x < imgwidth; x++) {
                    rgbA = imageA.pixel(x,y);
                    rgbB = imageB.pixel(x,y);

                    rA = qRed(rgbA);
                    gA = qGreen(rgbA);
                    bA = qBlue(rgbA);

                    rB = qRed(rgbB);
                    gB = qGreen(rgbB);
                    bB = qBlue(rgbB);

                    if (!(((abs(rA - rB) <= difvalue) && (abs(gA - gB) <= difvalue) &&  (abs(bA - bB) <= difvalue)) )) {
                        difcount++;