CWE-ou-minkata/Sources/Plasma/FeatureLib/pfPython/pyImage.cpp

/*==LICENSE==*

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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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*==LICENSE==*/

#include <Python.h>
#include "pyKey.h"
#include "hsResMgr.h"
#pragma hdrstop

#include "pyImage.h"
#include "plJPEG/plJPEG.h"
#include "plGImage/plPNG.h"
#include "pnKeyedObject/plUoid.h"

void pyImage::setKey(pyKey& mipmapKey) // only for python glue, do NOT call
{
#ifndef BUILDING_PYPLASMA
    if (fMipmap && fMipMapKey)
        fMipMapKey->UnRefObject();
    fMipmap = nil;
#endif
    fMipMapKey = mipmapKey.getKey();
}

#ifndef BUILDING_PYPLASMA
plMipmap* pyImage::GetImage()
{
    if (fMipmap)
        return fMipmap;
    return ( plMipmap::ConvertNoRef(fMipMapKey->ObjectIsLoaded()) );
}

// GetPixelColor
// takes an x and y coord (x and y from 0 to 1) and returns the pixel color at that location
PyObject* pyImage::GetPixelColor(float x, float y)
{
    if (x > 1.0) x = 1.0;
    if (x < 0.0) x = 0.0;
    if (y > 1.0) y = 1.0;
    if (y < 0.0) y = 0.0;
    
    plMipmap* image;
    if (fMipmap)
        image = fMipmap;
    else
        image = plMipmap::ConvertNoRef(fMipMapKey->ObjectIsLoaded());
    if (image)
    {
        uint32_t height = image->GetHeight();
        uint32_t width = image->GetWidth();
        uint32_t iX = (uint32_t)((float)width * x);
        uint32_t iY = (uint32_t)((float)height * y);
        hsColorRGBA pixColor;
        image->SetCurrLevel(0);
        uint32_t *color = image->GetAddr32(iX,iY);
        pixColor.FromARGB32(*color);
        return pyColor::New(pixColor);
    }
    PYTHON_RETURN_NONE;
}

// GetColorLoc
// takes a color to look for and returns the x and y coord for its location (x and y from 0 to 1), if the
// color exists in more than one location, then the location with the lowest x and y will be returned.
// if the color is not found, it trys to return the closest match
PyObject* pyImage::GetColorLoc(const pyColor &color)
{
    plMipmap* image;
    if (fMipmap)
        image = fMipmap;
    else
        image = plMipmap::ConvertNoRef(fMipMapKey->ObjectIsLoaded());
    if (image)
    {
        uint32_t height = image->GetHeight();
        uint32_t width = image->GetWidth();
        double minSqrDist = 9999999;
        hsPoint3 closestMatch;
        image->SetCurrLevel(0);
        for (int y = 0; y < height; y++)
        {
            for (int x = 0; x < width; x++)
            {
                hsColorRGBA pixColor;
                pixColor.FromARGB32(*(image->GetAddr32(x,y)));
                PyObject* imgColorObj = pyColor::New(pixColor);
                pyColor* imgColor = pyColor::ConvertFrom(imgColorObj);
                if ((*imgColor) == color)
                {
                    Py_DECREF(imgColorObj);
                    float fX, fY;
                    fX = (float)x / (float)width;
                    fY = (float)y / (float)height;
                    return pyPoint3::New(hsPoint3(fX, fY, 0));
                }
                double dist = pow((imgColor->getRed() - color.getRed()),2) + pow((imgColor->getGreen() - color.getGreen()),2) + pow((imgColor->getBlue() - color.getBlue()),2);
                if (dist < minSqrDist)
                {
                    minSqrDist = dist;
                    float fX, fY;
                    fX = (float)x / (float)width;
                    fY = (float)y / (float)height;
                    closestMatch.fX = fX;
                    closestMatch.fY = fY;
                }
                Py_DECREF(imgColorObj);
            }
        }
        return pyPoint3::New(closestMatch);
    }
    PYTHON_RETURN_NONE;
}

// GetWidth
// returns the width of the image
uint32_t pyImage::GetWidth()
{
    plMipmap* image;
    if (fMipmap)
        image = fMipmap;
    else
        image = plMipmap::ConvertNoRef(fMipMapKey->ObjectIsLoaded());
    if (image)
        return image->GetWidth();
    return 0;
}

// GetHeight
// returns the height of the image
uint32_t pyImage::GetHeight()
{
    plMipmap* image;
    if (fMipmap)
        image = fMipmap;
    else
        image = plMipmap::ConvertNoRef(fMipMapKey->ObjectIsLoaded());
    if (image)
        return image->GetHeight();
    return 0;
}

void pyImage::SaveAsJPEG(const wchar_t* fileName, uint8_t quality)
{
    if (quality <= 0 || quality > 100)
    {
            quality = 75;
    }

    plJPEG::Instance().SetWriteQuality( quality );
    plJPEG::Instance().WriteToFile( fileName, this->GetImage() );
}

void pyImage::SaveAsPNG(const wchar_t* fileName)
{

    plPNG::Instance().WriteToFile( fileName, this->GetImage() );
}

PyObject* pyImage::LoadJPEGFromDisk(const wchar_t* filename, uint16_t width, uint16_t height)
{
    plMipmap* theMipmap = plJPEG::Instance().ReadFromFile(filename);
    if (theMipmap)
    {
        if (width > 0 && height > 0)
        {
            if (!theMipmap->ResizeNicely(width, height, plMipmap::kDefaultFilter))
            {
                delete theMipmap;
                PYTHON_RETURN_NONE;
            }
        }

        // let's create a nice name for this thing based on the filename
        plString name = plString::Format("PtImageFromDisk_%S", filename);

        hsgResMgr::ResMgr()->NewKey(name, theMipmap, plLocation::kGlobalFixedLoc);
        
        return pyImage::New( theMipmap );
    }
    else
        PYTHON_RETURN_NONE;
}

PyObject* pyImage::LoadPNGFromDisk(const wchar_t* filename, uint16_t width, uint16_t height)
{
    plMipmap* theMipmap = plPNG::Instance().ReadFromFile(filename);
    if (theMipmap)
    {
        if (width > 0 && height > 0)
        {
            if (!theMipmap->ResizeNicely(width, height, plMipmap::kDefaultFilter))
            {
                delete theMipmap;
                PYTHON_RETURN_NONE;
            }
        }

        // let's create a nice name for this thing based on the filename
        plString name = plString::Format("PtImageFromDisk_%S", filename);

        hsgResMgr::ResMgr()->NewKey(name, theMipmap, plLocation::kGlobalFixedLoc);

        return pyImage::New( theMipmap );
    }
    else
        PYTHON_RETURN_NONE;
}

#endif