image.h

c++的guiQt做的开发

#ifndef __IMAGE_H__
#define __IMAGE_H__

#include <QImage>
#include <QRect>
#include <QRectF>
#include <QString>
#include <guitypes.h>

class QPainter;
class QPixmap;

namespace cimg_library {
 class CImgException;
}

namespace gui {

/**
 Return fractional part of number
 @param x input number
*/
template<class T> T frac(T x) {
 return x-floor(x);
}

class ImagePrivate;

/**
 Image - class representing one loaded image
 \brief Image in memory
*/
class Image {
public:
 Image(QPixmap px);
 Image(QImage im);
 Image(const QString &name);
 static Image* loadFromPaste();
 void add(int value);
 void blur(float sigma,unsigned int cond=1);//TODO dialog
 void blur(float sigmax,float sigmay,float sigmaz,unsigned int cond=1);//TODO dialog
 void blur_anisotropic(float amplitude,float sharpness=0.7f,float anisotropy=0.3f,float alpha=0.6f,float sigma=1.1f,float dl=0.8f,float da=30.0f,float gauss_prec=2.0f,unsigned int interpolation=0,bool fast_approx=true,float geom_factor=1.0f);//TODO
 void clipMax(int maxValue);//TODO dialog
 void clipMin(int minValue);//TODO dialog
 void convertChannels(int nChannels);
 void copy();
 void crop(int x1,int y1,int x2,int y2,bool border_condition=false);
 void deriche(float sigma=1,int order=0,char axe='x',unsigned int cond=1);//TODO
 void draw(QPainter *p,const QRect &source,const QRect &target,const QRectF &subsource=QRectF());
 void equalizeHistogram();
 void flip(char axis);
 void loadImage(const QString &name);
 void median(int n=3);
 void multiply(float value);
 void negative();
 void noise(double sigma=-20,int ntype=0);//TODO dialog
 void normalize(int a,int b);//TODO dialog
 void quantize(const unsigned int n=256);//TODO dialog
 void resize(int x,int y,int interp=1,int border_condition=-1);//TODO dialog
 void rotate(float angle);
 void saveImage(const QString &name);
 void sharpen(float amplitude=50.0f,float edge=1.0f,float alpha=0.0f,float sigma=0.0f);
 void sqrt();
 void toGrey();
 void undo();
 int value(int x,int y,int c);
 QString valueHex(int x,int y,int c);
 QString name() const;
 QString baseName() const;
 QString absoluteName() const;
 SMap info() const;
 int x() const;
 int y() const;
 int channels() const;
 static QString cimgInfo();
 static QString cimgVersion();
 bool haveUndo();
 ~Image();
 QString error();
protected:
 void load(QImage i);
 void imgToRGB(int *pixdata,int x0,int y0,int wx,int wy);
 void imgToRGBA(int *pixdata,int x0,int y0,int wx,int wy);
 void imgGreyToRGB(int *pixdata,int x0,int y0,int wx,int wy);
 void imgGreyToRGBA(int *pixdata,int x0,int y0,int wx,int wy);
 QImage toQImage();
 void clearUndo();
 bool useUndo();
 void beforeOp();
 void stdErrorHandler(cimg_library::CImgException &e);
 void stdErrorHandler(std::exception &e);
protected:
 /** Implementation details */
 ImagePrivate *d;
 /** Error mesages from exceptions, etc .. */
 QString errorMessage;
};

} // namespace gui

#endif