OfxhImage.cpp

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/*
 * Software License :
 *
 * Copyright (c) 2007-2009, The Open Effects Association Ltd. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are met:
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// ofx host
#include "OfxhBinary.hpp"
#include "OfxhImageEffectNode.hpp"
#include "property/OfxhSet.hpp"
#include "attribute/OfxhClip.hpp"

// ofx
#include <ofxCore.h>

namespace tuttle {
namespace host {
namespace ofx {
namespace imageEffect {

std::ptrdiff_t OfxhImage::_count = 0;

static property::OfxhPropSpec imageStuffs[] = {
        { kOfxPropType, property::ePropTypeString, 1, false, kOfxTypeImage },
        { kOfxImageEffectPropPixelDepth, property::ePropTypeString, 1, true, kOfxBitDepthNone },
        { kOfxImageEffectPropComponents, property::ePropTypeString, 1, true, kOfxImageComponentNone },
        { kOfxImageEffectPropPreMultiplication, property::ePropTypeString, 1, true, kOfxImageOpaque },
        { kOfxImageEffectPropRenderScale, property::ePropTypeDouble, 2, true, "1.0" },
        { kOfxImagePropPixelAspectRatio, property::ePropTypeDouble, 1, true, "1.0" },
        { kOfxImagePropData, property::ePropTypePointer, 1, true, NULL },
        { kOfxImagePropBounds, property::ePropTypeInt, 4, true, "0" },
        { kOfxImagePropRegionOfDefinition, property::ePropTypeInt, 4, true, "0", },
        { kOfxImagePropRowBytes, property::ePropTypeInt, 1, true, "0", },
        { kOfxImagePropField, property::ePropTypeString, 1, true, "", },
        { kOfxImagePropUniqueIdentifier, property::ePropTypeString, 1, true, "" },
        { 0 }
};

OfxhImage::OfxhImage()
        : property::OfxhSet( imageStuffs )
        , _id( _count++ )
        , _clipName( "No clip !" )
        , _time( 0 )
{
        TUTTLE_TLOG( TUTTLE_INFO, "[Ofxh Image] create clip:" << getClipName()
                << ", time:" << getTime()
                << ", id:" << getId()
                << ", ref host:" << getReferenceCount( ofx::imageEffect::OfxhImage::eReferenceOwnerHost )
                << ", ref plugins:" << getReferenceCount( ofx::imageEffect::OfxhImage::eReferenceOwnerPlugin ) );
}

/**
 * make an image from a clip instance
 */
OfxhImage::OfxhImage( attribute::OfxhClip& instance, const OfxTime time )
        : property::OfxhSet( imageStuffs )
        , _id( _count++ )
        , _clipName( instance.getName() )
        , _time( time )
{
        TUTTLE_TLOG( TUTTLE_INFO, "[Ofxh Image] create clip:" << getClipName()
                << ", time:" << getTime()
                << ", id:" << getId()
                << ", ref host:" << getReferenceCount( ofx::imageEffect::OfxhImage::eReferenceOwnerHost )
                << ", ref plugins:" << getReferenceCount( ofx::imageEffect::OfxhImage::eReferenceOwnerPlugin ) );
        initClipBits( instance );
}

/**
 * construction based on clip instance
 *
OfxhImage::OfxhImage( attribute::OfxhClip& instance,
                                          OfxTime              time,
                      double               renderScaleX,
                      double               renderScaleY,
                      void*                data,
                      const OfxRectI&      bounds,
                      const OfxRectI&      rod,
                      int                  rowBytes,
                      const std::string&   field,
                      const std::string&   uniqueIdentifier )
        : property::OfxhSet( imageStuffs )
        , _id( _count++ )
        , _clipName( instance.getName() )
        , _time( time )
{
        TUTTLE_TLOG( TUTTLE_INFO, "++ OfxhImage, clipName:" << getClipName()
                << ", time:" << getTime()
                << ", id:" << getId()
                << ", ref host:" << getReferenceCount( ofx::imageEffect::OfxhImage::eReferenceOwnerHost )
                << ", ref plugins:" << getReferenceCount( ofx::imageEffect::OfxhImage::eReferenceOwnerPlugin ) );
        initClipBits( instance );

        // set other data
        setDoubleProperty( kOfxImageEffectPropRenderScale, renderScaleX, 0 );
        setDoubleProperty( kOfxImageEffectPropRenderScale, renderScaleY, 1 );
        setPointerProperty( kOfxImagePropData, data );
        setIntProperty( kOfxImagePropBounds, bounds.x1, 0 );
        setIntProperty( kOfxImagePropBounds, bounds.y1, 1 );
        setIntProperty( kOfxImagePropBounds, bounds.x2, 2 );
        setIntProperty( kOfxImagePropBounds, bounds.y2, 3 );
        setIntProperty( kOfxImagePropRegionOfDefinition, rod.x1, 0 );
        setIntProperty( kOfxImagePropRegionOfDefinition, rod.y1, 1 );
        setIntProperty( kOfxImagePropRegionOfDefinition, rod.x2, 2 );
        setIntProperty( kOfxImagePropRegionOfDefinition, rod.y2, 3 );
        setIntProperty( kOfxImagePropRowBytes, rowBytes );

        setStringProperty( kOfxImagePropField, field );
        setStringProperty( kOfxImageClipPropFieldOrder, field );
        setStringProperty( kOfxImagePropUniqueIdentifier, uniqueIdentifier );
}
*/

OfxhImage::~OfxhImage()
{
        TUTTLE_TLOG( TUTTLE_INFO, "[Ofxh Image] delete clip:" << getClipName()
                << ", time:" << getTime()
                << ", id:" << getId()
                << ", ref host:" << getReferenceCount( eReferenceOwnerHost )
                << ", ref plugins:" << getReferenceCount( eReferenceOwnerPlugin ) );
        BOOST_ASSERT( getReferenceCount(eReferenceOwnerHost) == 0 );
}

/// called during ctor to get bits from the clip props into ours

void OfxhImage::initClipBits( attribute::OfxhClip& instance )
{
        const property::OfxhSet& clipProperties = instance.getProperties();

        // get and set the clip instance pixel depth
        const std::string& depth = clipProperties.getStringProperty( kOfxImageEffectPropPixelDepth );

        setStringProperty( kOfxImageEffectPropPixelDepth, depth );

        // get and set the clip instance components
        const std::string& comps = clipProperties.getStringProperty( kOfxImageEffectPropComponents );
        setStringProperty( kOfxImageEffectPropComponents, comps );

        // get and set the clip instance premultiplication
        setStringProperty( kOfxImageEffectPropPreMultiplication, clipProperties.getStringProperty( kOfxImageEffectPropPreMultiplication ) );

        // get and set the clip instance pixel aspect ratio
        setDoubleProperty( kOfxImagePropPixelAspectRatio, clipProperties.getDoubleProperty( kOfxImagePropPixelAspectRatio ) );
}

OfxRectI OfxhImage::getBounds() const
{
        OfxRectI bounds;
        getIntPropertyN( kOfxImagePropBounds, &bounds.x1, 4 );
        return bounds;
}

OfxRectI OfxhImage::getROD() const
{
        OfxRectI rod;
        getIntPropertyN( kOfxImagePropRegionOfDefinition, &rod.x1, 4 );
        return rod;
}

EBitDepth OfxhImage::getBitDepth() const
{
        std::string depth  = getStringProperty( kOfxImageEffectPropPixelDepth );
        EBitDepth bitDepth = eBitDepthNone;

        if( depth == kOfxBitDepthByte )
        {
                bitDepth = eBitDepthUByte;
        }
        else if( depth == kOfxBitDepthShort )
        {
                bitDepth = eBitDepthUShort;
        }
        else if( depth == kOfxBitDepthFloat )
        {
                bitDepth = eBitDepthFloat;
        }
        return bitDepth;
}

EPixelComponent OfxhImage::getComponentsType() const
{
        std::string sType        = getStringProperty( kOfxImageEffectPropComponents );
        EPixelComponent compType = ePixelComponentNone;

        if( sType == kOfxImageComponentRGBA )
        {
                compType = ePixelComponentRGBA;
        }
        else if( sType == kOfxImageComponentRGB )
        {
                compType = ePixelComponentRGB;
        }
        else if( sType == kOfxImageComponentAlpha )
        {
                compType = ePixelComponentAlpha;
        }
        return compType;
}

int OfxhImage::getRowBytes() const
{
        return getIntProperty( kOfxImagePropRowBytes );
}

int OfxhImage::getReferenceCount( const EReferenceOwner from ) const
{
        RefMap::const_iterator it = _referenceCount.find(from);
        if( it == _referenceCount.end() )
                return 0;
        return it->second;
}

void OfxhImage::addReference( const EReferenceOwner from, const std::size_t n )
{
        const std::ptrdiff_t refC = _referenceCount[from] = getReferenceCount(from) + n;
        TUTTLE_TLOG( TUTTLE_INFO, "[Ofxh Image] add reference with degree " << n << ", clipName:" << getClipName() << ", time:" << getTime() << ", id:" << getId() << ", ref:" << refC );
}

bool OfxhImage::releaseReference( const EReferenceOwner from )
{
        const std::ptrdiff_t refC = _referenceCount[from] = getReferenceCount(from) - 1;
        TUTTLE_TLOG( TUTTLE_INFO, "[Ofxh Image] release reference, clipName:" << getClipName() << ", time:" << getTime() << ", id:" << getId() << ", ref:" << refC );
        if( refC < 0 )
                BOOST_THROW_EXCEPTION( std::logic_error( "Try to release an undeclared reference to an Image." ) );
        return refC <= 0;
}

}
}
}
}