sampler2D input : register(s0);

/// <summary>The float of the Left.</summary>

/// <minValue></minValue>

/// <maxValue></maxValue>

/// <defaultValue></defaultValue>

float Left : register(C0);

/// <summary>The float of the Top.</summary>

/// <minValue></minValue>

/// <maxValue></maxValue>

/// <defaultValue></defaultValue>

float Top : register(C1);

/// <summary>The float of the Right.</summary>

/// <minValue></minValue>

/// <maxValue></maxValue>

/// <defaultValue></defaultValue>

float Right : register(C2);

/// <summary>The float of the Bottom.</summary>

/// <minValue></minValue>

/// <maxValue></maxValue>

/// <defaultValue></defaultValue>

float Bottom : register(C3);

/// <summary>The float of the Width.</summary>

/// <minValue></minValue>

/// <maxValue></maxValue>

/// <defaultValue></defaultValue>

float Width : register(C4);

/// <summary>The float of the Height.</summary>

/// <minValue></minValue>

/// <maxValue></maxValue>

/// <defaultValue></defaultValue>

float Height : register(C5);

/// <summary>The float of the ShowWidth.</summary>

/// <minValue></minValue>

/// <maxValue></maxValue>

/// <defaultValue></defaultValue>

float ShowWidth : register(C6);

/// <summary>The float of the ShowHeight.</summary>

/// <minValue></minValue>

/// <maxValue></maxValue>

/// <defaultValue></defaultValue>

float ShowHeight : register(C7);

float4 main(float2 uv : TEXCOORD) : COLOR

{ 

    float realwidth = uv.x * ShowWidth;

    float realheight = uv.y * ShowHeight;

    //Set color of no scale

    float x = uv.x * ShowWidth / Width;

    float y = uv.y * ShowHeight / Height;

    //Scale X

    if(realwidth >= Left && realwidth <= (ShowWidth - Right))

    {

        x = ((uv.x * ShowWidth - Left) / (ShowWidth - Left - Right) * (Width - Left - Right) + Left) / Width;

    }

    // Real color of max x

    else if(realwidth > (ShowWidth - Right) )

    {

        x =  - (- uv.x) * ShowWidth / Width;

    }

    //Scale Y

    if(realheight >= Top && realheight <= ShowHeight - Bottom )

    {

        y = ((uv.y * ShowHeight - Top) / (ShowHeight - Top - Bottom) * (Height - Top - Bottom) + Top ) / Height;

    }

    //Real color of max y

    else if(realheight > ShowHeight - Bottom )

    {

        y =   - (- uv.y) * ShowHeight / Height;

    }

    return tex2D(input, float2(x ,y)) ;

}