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

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*==LICENSE==*/
//////////////////////////////////////////////////////////////////////
//
// pyVaultImageNode   - a wrapper class to provide interface to the RelVaultNode
//
//////////////////////////////////////////////////////////////////////

#include <Python.h>
#include "plPipeline.h"
#include "hsResMgr.h"
#include "plString.h"
#pragma hdrstop

#include "pyVaultImageNode.h"
#ifndef BUILDING_PYPLASMA
#   include "pyVault.h"
#endif
#include "pyImage.h"
#include "cyMisc.h"

#include "plGImage/plMipmap.h"
#include "plVault/plVault.h"
#include "pnMessage/plRefMsg.h"
#include "plNetClient/plNetClientMgr.h"


static unsigned s_keyseq;

//============================================================================
static plKey CreateAndRefImageKey (unsigned nodeId, plMipmap * mipmap) {
    plString keyName = plString::Format("VaultImg_%u_%u", nodeId, s_keyseq++);

    plKey key = hsgResMgr::ResMgr()->NewKey(keyName, mipmap, plLocation::kGlobalFixedLoc);

    hsgResMgr::ResMgr()->AddViaNotify(
        key,
        new plGenRefMsg(
            plNetClientMgr::GetInstance()->GetKey(),
            plRefMsg::kOnCreate,
            0,
            plNetClientMgr::kVaultImage
        ),
        plRefFlags::kActiveRef
    );
    
    return key;
}

// should only be created from C++ side
pyVaultImageNode::pyVaultImageNode(RelVaultNode* nfsNode)
: pyVaultNode(nfsNode)
, fMipmapKey(nil)
, fMipmap(nil)
{
}

//create from the Python side
pyVaultImageNode::pyVaultImageNode(int n)
: pyVaultNode(NEWZERO(RelVaultNode))
, fMipmapKey(nil)
, fMipmap(nil)
{
    fNode->SetNodeType(plVault::kNodeType_Image);
}

pyVaultImageNode::~pyVaultImageNode () {
    if (fMipmap && fMipmapKey)
        fMipmapKey->UnRefObject();
}


//==================================================================
// class RelVaultNode : public plVaultNode
//
void pyVaultImageNode::Image_SetTitle( const char * text )
{
    if (!fNode)
        return;
        
    wchar_t * wStr = hsStringToWString(text);

    VaultImageNode image(fNode);
    image.SetImageTitle(wStr);
    delete [] wStr;
}

void pyVaultImageNode::Image_SetTitleW( const wchar_t* text )
{
    if (!fNode)
        return;

    VaultImageNode image(fNode);
    image.SetImageTitle(text);
}

std::string pyVaultImageNode::Image_GetTitle( void )
{
    if (!fNode)
        return "";

    VaultImageNode image(fNode);

    std::string retVal = "";
    if (image.title)
    {
        char* temp = hsWStringToString(image.title);
        retVal = temp;
        delete [] temp;
    }
    
    return retVal;
}

std::wstring pyVaultImageNode::Image_GetTitleW( void )
{
    if (!fNode)
        return L"";

    VaultImageNode image(fNode);
    return image.title ? image.title : L"";
}

PyObject* pyVaultImageNode::Image_GetImage( void )
{
    if (!fNode)
        PYTHON_RETURN_NONE;
        
    if (!fMipmap) {
        VaultImageNode access(fNode);
        if (access.ExtractImage(&fMipmap)) {
            fMipmapKey = fMipmap->GetKey();
            if (!fMipmapKey)
                fMipmapKey = CreateAndRefImageKey(fNode->nodeId, fMipmap);
            else
                fMipmapKey->RefObject();
        }
        else
            PYTHON_RETURN_NONE;
    }
    
    return pyImage::New(fMipmap);   
}

void pyVaultImageNode::Image_SetImage(pyImage& image)
{
    if (!fNode)
        return;

    if (fMipmapKey) {
        fMipmapKey->UnRefObject();
        fMipmapKey = nil;
        fMipmap = nil;
    }

    if (fMipmap = image.GetImage()) {
        VaultImageNode access(fNode);
        access.StuffImage(fMipmap);
        
        fMipmapKey = image.GetKey();
        if (!fMipmapKey)
            fMipmapKey = CreateAndRefImageKey(fNode->nodeId, fMipmap);
        else
            fMipmapKey->RefObject();
    }
}

void pyVaultImageNode::SetImageFromBuf( PyObject * pybuf )
{
    if (!fNode)
        return;

    if (fMipmapKey) {
        fMipmapKey->UnRefObject();
        fMipmapKey = nil;
        fMipmap = nil;
    }

    uint8_t * buffer = nil;
    Py_ssize_t bytes;
    PyObject_AsReadBuffer(pybuf, (const void **)&buffer, &bytes);
    if (buffer) {
        VaultImageNode access(fNode);
        access.SetImageData(buffer, bytes);
        access.SetImageType(VaultImageNode::kJPEG);
    }
}

void pyVaultImageNode::SetImageFromScrShot()
{
    if (!fNode)
        return;

    if (fMipmapKey) {
        fMipmapKey->UnRefObject();
        fMipmapKey = nil;
        fMipmap = nil;
    }

    if (cyMisc::GetPipeline()) {
        VaultImageNode access(fNode);
        fMipmap = new plMipmap();
        if (cyMisc::GetPipeline()->CaptureScreen(fMipmap, false, 800, 600)) {
            fMipmapKey = fMipmap->GetKey();
            if (!fMipmapKey)
                fMipmapKey = CreateAndRefImageKey(fNode->nodeId, fMipmap);
            else
                fMipmapKey->RefObject();
            access.StuffImage(fMipmap);
        }
        else {
            access.SetImageData(nil, 0);
            access.SetImageType(VaultImageNode::kNone);
            delete fMipmap;
            fMipmap = nil;
        }
    }
}