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

/*==LICENSE==*

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Copyright (C) 2011  Cyan Worlds, Inc.

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it under the terms of the GNU General Public License as published by
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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

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along with this program.  If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

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

/////////////////////////////////////////////////////////////////////////////
//
// NAME: pyImage
//
// PURPOSE: Class wrapper for Python to a plMipMap image
//

#include <Python.h>
#include "hsStlUtils.h"

#include "pyKey.h"
#include "pyColor.h"

#ifndef BUILDING_PYPLASMA
#include "pyGeometry3.h"
#include "plGImage/plMipmap.h"
#endif

#include "pyGlueHelpers.h"

class plKey;

class pyImage
{
protected:
    plKey           fMipMapKey;
#ifndef BUILDING_PYPLASMA
    plMipmap*       fMipmap;
#endif

    pyImage() // for python glue only, do NOT call
    {
        fMipMapKey = nil;
#ifndef BUILDING_PYPLASMA
        fMipmap = nil;
#endif
    } 

    // Constructor from C++
    pyImage(plKey mipmapKey)
    {
        fMipMapKey = mipmapKey;
#ifndef BUILDING_PYPLASMA
        fMipmap = nil;
#endif
    }

#ifndef BUILDING_PYPLASMA
    // Constructor from C++ ... use pointer to instead of plKey
    pyImage(plMipmap* mipmap)
    {
        fMipmap = mipmap;
        fMipMapKey = fMipmap->GetKey();

        if (fMipMapKey)
        {
            fMipMapKey->RefObject();
        }
    }
#endif

    // contructor from Python
    pyImage(pyKey& mipmapKey)
    {
        fMipMapKey = mipmapKey.getKey();
#ifndef BUILDING_PYPLASMA
        fMipmap = nil;
#endif
    }

public:
#ifndef BUILDING_PYPLASMA
    ~pyImage()
    {
        if (fMipmap && fMipMapKey)
            fMipMapKey->UnRefObject();
    }
#endif

    // required functions for PyObject interoperability
    PYTHON_CLASS_NEW_FRIEND(ptImage);
#ifndef BUILDING_PYPLASMA
    static PyObject *New(plMipmap* mipmap);
#endif
    static PyObject *New(plKey mipmapKey);
    static PyObject *New(pyKey& mipmapKey);
    PYTHON_CLASS_CHECK_DEFINITION; // returns true if the PyObject is a pyImage object
    PYTHON_CLASS_CONVERT_FROM_DEFINITION(pyImage); // converts a PyObject to a pyImage (throws error if not correct type)

    static void AddPlasmaClasses(PyObject *m);
    static void AddPlasmaMethods(std::vector<PyMethodDef> &methods);

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

    // override the equals to operator
    hsBool operator==(const pyImage &image) const
    {
        // only thing that needs testing is the plKey, which is unique for all
        if ( fMipMapKey == ((pyImage&)image).GetKey() )
            return true;
        else
            return false;
    }
    hsBool operator!=(const pyImage &image) const { return !(image == *this);   }

    // for C++ access
    plKey GetKey() { return fMipmap ? fMipmap->GetKey() : fMipMapKey; }
#ifndef BUILDING_PYPLASMA
    plMipmap* GetImage();

    // for python access
    PyObject *GetPixelColor(float x, float y); // returns the color at a specific x,y position (x and y from 0 to 1) - returns pyColor
    PyObject *GetColorLoc(const pyColor &color); // returns the x,y position of a color (x and y from 0 to 1) - returns pyPoint3
    uint32_t GetWidth(); // returns the width of the image
    uint32_t GetHeight(); // returns the height of the image
    void SaveAsJPEG(const wchar_t* fileName, uint8_t quality = 75);
    void SaveAsPNG(const wchar_t* fileName);
    static PyObject* LoadJPEGFromDisk(const wchar_t* filename, uint16_t width, uint16_t height); // returns pyImage
    static PyObject* LoadPNGFromDisk(const wchar_t* filename, uint16_t width, uint16_t height); // returns pyImage
#endif
};

#endif  // pyImage_h