void
Image::copyUnProcessedChannels(const RectI& roi,
                               const ImagePremultiplicationEnum outputPremult,
                               const ImagePremultiplicationEnum originalImagePremult,
                               const std::bitset<4> processChannels,
                               const ImagePtr& originalImage,
                               bool ignorePremult)
{
    int numComp = getComponents().getNumComponents();

    if (numComp == 0) {
        return;
    }
    if ( (numComp == 1) && processChannels[3] ) { // 1 component is alpha
        return;
    } else if ( (numComp == 2) && processChannels[0] && processChannels[1] ) {
        return;
    } else if ( (numComp == 3) && processChannels[0] && processChannels[1] && processChannels[2] ) {
        return;
    } else if ( (numComp == 4) && processChannels[0] && processChannels[1] && processChannels[2] && processChannels[3] ) {
        return;
    }


    if ( originalImage && ( getMipMapLevel() != originalImage->getMipMapLevel() ) ) {
        qDebug() << "WARNING: attempting to call copyUnProcessedChannels on images with different mipMapLevel";

        return;
    }

    QWriteLocker k(&_entryLock);
    assert( !originalImage || getBitDepth() == originalImage->getBitDepth() );


    RectI intersected;
    roi.intersect(_bounds, &intersected);

    bool premult = (outputPremult == eImagePremultiplicationPremultiplied);
    bool originalPremult = (originalImagePremult == eImagePremultiplicationPremultiplied);
    switch ( getBitDepth() ) {
    case eImageBitDepthByte:
        copyUnProcessedChannelsForDepth<unsigned char, 255>(premult, roi, processChannels, originalImage, originalPremult, ignorePremult);
        break;
    case eImageBitDepthShort:
        copyUnProcessedChannelsForDepth<unsigned short, 65535>(premult, roi, processChannels, originalImage, originalPremult, ignorePremult);
        break;
    case eImageBitDepthFloat:
        copyUnProcessedChannelsForDepth<float, 1>(premult, roi, processChannels, originalImage, originalPremult, ignorePremult);
        break;
    default:

        return;
    }
}
Exemple #2
0
void
Image::copyUnProcessedChannels(const RectI& roi,
                               const ImagePremultiplicationEnum outputPremult,
                               const ImagePremultiplicationEnum originalImagePremult,
                               const std::bitset<4> processChannels,
                               const ImagePtr& originalImage,
                               bool ignorePremult,
                               const OSGLContextPtr& glContext)
{
    int numComp = getComponents().getNumComponents();

    if (numComp == 0) {
        return;
    }
    if ( (numComp == 1) && processChannels[3] ) { // 1 component is alpha
        return;
    } else if ( (numComp == 2) && processChannels[0] && processChannels[1] ) {
        return;
    } else if ( (numComp == 3) && processChannels[0] && processChannels[1] && processChannels[2] ) {
        return;
    } else if ( (numComp == 4) && processChannels[0] && processChannels[1] && processChannels[2] && processChannels[3] ) {
        return;
    }


    if ( originalImage && ( getMipMapLevel() != originalImage->getMipMapLevel() ) ) {
        qDebug() << "WARNING: attempting to call copyUnProcessedChannels on images with different mipMapLevel";

        return;
    }

    QWriteLocker k(&_entryLock);
    assert( !originalImage || getBitDepth() == originalImage->getBitDepth() );


    RectI srcRoi;
    roi.intersect(_bounds, &srcRoi);

    if (getStorageMode() == eStorageModeGLTex) {
        assert(glContext);
        if (glContext->isGPUContext()) {
            copyUnProcessedChannelsGL<GL_GPU>(roi, outputPremult, originalImagePremult, processChannels, originalImage, ignorePremult, glContext, _bounds, srcRoi, getGLTextureTarget(), getGLTextureID(), originalImage->getGLTextureID());
        } else {
            copyUnProcessedChannelsGL<GL_CPU>(roi, outputPremult, originalImagePremult, processChannels, originalImage, ignorePremult, glContext, _bounds, srcRoi, getGLTextureTarget(), getGLTextureID(), originalImage->getGLTextureID());
        }
        return;
    }


    bool premult = (outputPremult == eImagePremultiplicationPremultiplied);
    bool originalPremult = (originalImagePremult == eImagePremultiplicationPremultiplied);
    switch ( getBitDepth() ) {
    case eImageBitDepthByte:
        copyUnProcessedChannelsForDepth<unsigned char, 255>(premult, roi, processChannels, originalImage, originalPremult, ignorePremult);
        break;
    case eImageBitDepthShort:
        copyUnProcessedChannelsForDepth<unsigned short, 65535>(premult, roi, processChannels, originalImage, originalPremult, ignorePremult);
        break;
    case eImageBitDepthFloat:
        copyUnProcessedChannelsForDepth<float, 1>(premult, roi, processChannels, originalImage, originalPremult, ignorePremult);
        break;
    default:

        return;
    }
} // copyUnProcessedChannels