ImageProcess.h

#pragma once
#include "windows.h"
#include "string.h"

//using namespace ImageXpro;
using namespace System::Collections::Generic;

public ref class PageInfo
    {
    public:
        static int NO_ENHANCEMEMNT = 1;

        static int BI_LINEAR = 2;
        static int BI_CUBIC = 3;

        int Height;
     
        int Width;

        int Scale;

        int rotationAngle;

        int QuailtyFactor;
        bool Deskew;
        
        bool AutoCrop;

        PageInfo(int _width , int _height)
        {
            Width = _width;
            Height = _height;
            Scale = -1;
        }


        PageInfo(float _scale)
        {
            Width = -1;
            Height = -1;
            Scale = _scale;
        }

    };
public ref class ImageProcess
{
public:
    ImageProcess(void);

    System::Drawing::Image^ DeskewImage(System::Drawing::Image^ srcImage);

    System::Drawing::Image^ RotateImage(System::Drawing::Image^ srcImage, int iRotate_Angle);
    
    System::Drawing::Image^ FlipImageH(System::Drawing::Image^ srcImage);

    System::Drawing::Image^ FlipImageV(System::Drawing::Image^ srcImage);

    
    System::Drawing::Image^ ScaleImage(System::Drawing::Image^ srcImage, int iWidth, int iHeight);

    System::Drawing::Image^ CropImage(System::Drawing::Image^ srcImage, System::Drawing::Rectangle^ cropRect);
    
    System::Drawing::Image^ ImageContrast(System::Drawing::Image^ srcImage, float fValue);

    System::Drawing::Image^ ImageBrigthness(System::Drawing::Image^ srcImage, float fValue);

    System::Drawing::Image^ ImageIntensity(System::Drawing::Image^ srcImage, int iLow, int iHigh, int iGamma);


    System::Drawing::Image^ GrayScaleImage(System::Drawing::Image^ srcImage); 

    System::Drawing::Image^ SharpImage(System::Drawing::Image^ srcImage);

    System::Drawing::Image^ SmoothEdgesImage(System::Drawing::Image^ srcImage );

    System::Drawing::Image^ EdgeDetectorImage(System::Drawing::Image^ srcImage );

    System::Drawing::Image^ LaplacianEdgeDetection(System::Drawing::Image^ srcImage );
    
    
    System::Drawing::Image^ AutoCrop(System::Drawing::Image^ srcImage, System::Drawing::Color ^cropColor);

    System::Drawing::Image^ WatermarkImage(System::Drawing::Image^ SrcImage, System::String^ WatermarkText,System::Drawing::Color^ textColor, System::Drawing::Font^ font, int iRotation_Angle, int iOpacity, bool bAutoAdjust);
    
    List<System::Drawing::Rectangle> ^  CompareImages(System::Drawing::Image^ baseImage, System::Drawing::Image^ newImage);
    
    System::Drawing::Image^ GaussianFilterImage(System::Drawing::Image^ srcImage);//Default weight is 4
    
    System::Drawing::Image^ GaussianFilterImage(System::Drawing::Image^ srcImage, int iWeight);

    System::Drawing::Image^ ProcessImage(System::Drawing::Image^ srcImage, PageInfo^ pgInfo);

    System::Drawing::Image^ BrightContIntImage(System::Drawing::Image^ srcImage, int iBrightness, int iContrast, int iIntensity);
    
private:
    //ImageXpro::IImageProcess^ m_imageProcessObj;
    System::Drawing::Image^ ImplementInterPolate(System::Drawing::Image ^srcImage, System::Drawing::Drawing2D::InterpolationMode interPolateMode);
    System::Drawing::Rectangle GetIntersactionRect(System::Drawing::Rectangle rect1, System::Drawing::Rectangle rect2);
    float GetCorrectedScale(System::Drawing::Image ^srcImage, int newHeight, int newWidth);
    void FillBMPDataAndInfo(System::Drawing::Image^ srcImage ,byte*& rgbValues, BITMAPINFO*& bmpInfo, int &dataLength);
};

//Class for applying Gausian Filter