Ejemplo n.º 1
0
bool
DeepData::copy_deep_pixel (int pixel, const DeepData &src, int srcpixel)
{
    if (pixel < 0 || pixel >= pixels()) {
        // std::cout << "dst pixel was " << pixel << "\n";
        DASSERT (0 && "Out of range pixel index");
        return false;
    }
    if (srcpixel < 0 || srcpixel >= src.pixels()) {
        // Copying empty pixel -- set samples to 0 and we're done
        // std::cout << "Source pixel was " << srcpixel << "\n";
        set_samples (pixel, 0);
        return true;
    }
    int nchans = channels();
    if (nchans != src.channels()) {
        DASSERT (0 && "Number of channels don't match.");
        return false;
    }
    int nsamples = src.samples(srcpixel);
    set_samples (pixel, nsamples);
    if (nsamples == 0)
        return true;
    bool sametypes = samplesize() == src.samplesize();
    if (sametypes)
        for (int c = 0; c < nchans; ++c)
            sametypes &= (channeltype(c) == src.channeltype(c));
    if (sametypes)
        memcpy (data_ptr (pixel, 0, 0), src.data_ptr (srcpixel, 0, 0),
                samplesize()*nsamples);
    else {
        for (int c = 0; c < nchans; ++c) {
            if (channeltype(c) == TypeDesc::UINT32 && src.channeltype(c) == TypeDesc::UINT32)
                for (int s = 0; s < nsamples; ++s)
                    set_deep_value (pixel, c, s,
                                    src.deep_value_uint (srcpixel, c, s));
            else
                for (int s = 0; s < nsamples; ++s)
                    set_deep_value (pixel, c, s,
                                    src.deep_value (srcpixel, c, s));
        }
    }
    return true;
}
Ejemplo n.º 2
0
bool
DeepData::copy_deep_sample (int pixel, int sample,
                            const DeepData &src, int srcpixel, int srcsample)
{
    const void *srcdata = src.data_ptr (srcpixel, 0, srcsample);
    int nchans = channels();
    if (! srcdata || nchans != src.channels())
        return false;
    int nsamples = src.samples(srcpixel);
    set_samples (pixel, std::max (samples(pixel), nsamples));
    for (int c = 0; c < m_nchannels; ++c) {
        if (channeltype(c) == TypeDesc::UINT32 && src.channeltype(c) == TypeDesc::UINT32)
            set_deep_value (pixel, c, sample,
                            src.deep_value_uint (srcpixel, c, srcsample));
        else
            set_deep_value (pixel, c, sample,
                            src.deep_value (srcpixel, c, srcsample));
    }
    return true;
}
Ejemplo n.º 3
0
static void
dump_data (ImageInput *input, const print_info_options &opt)
{
    const ImageSpec &spec (input->spec());
    if (spec.deep) {
        // Special handling of deep data
        DeepData dd;
        if (! input->read_native_deep_image (dd)) {
            printf ("    dump data: could not read image\n");
            return;
        }
        int nc = spec.nchannels;
        for (int z = 0, pixel = 0;  z < spec.depth;  ++z) {
            for (int y = 0;  y < spec.height;  ++y) {
                for (int x = 0;  x < spec.width;  ++x, ++pixel) {
                    int nsamples = dd.samples(pixel);
                    if (nsamples == 0 && ! opt.dumpdata_showempty)
                        continue;
                    std::cout << "    Pixel (";
                    if (spec.depth > 1 || spec.z != 0)
                        std::cout << Strutil::format("%d, %d, %d",
                                             x+spec.x, y+spec.y, z+spec.z);
                    else
                        std::cout << Strutil::format("%d, %d",
                                                     x+spec.x, y+spec.y);
                    std::cout << "): " << nsamples << " samples" 
                              << (nsamples ? ":" : "");
                    for (int s = 0;  s < nsamples;  ++s) {
                        if (s)
                            std::cout << " / ";
                        for (int c = 0;  c < nc;  ++c) {
                            std::cout << " " << spec.channelnames[c] << "=";
                            if (dd.channeltype(c) == TypeDesc::UINT)
                                std::cout << dd.deep_value_uint(pixel, c, s);
                            else
                                std::cout << dd.deep_value (pixel, c, s);
                        }
                    }
                    std::cout << "\n";
                }
            }
        }

    } else {
        std::vector<float> buf(spec.image_pixels() * spec.nchannels);
        if (! input->read_image (TypeDesc::FLOAT, &buf[0])) {
            printf ("    dump data: could not read image\n");
            return;
        }
        const float *ptr = &buf[0];
        for (int z = 0;  z < spec.depth;  ++z) {
            for (int y = 0;  y < spec.height;  ++y) {
                for (int x = 0;  x < spec.width;  ++x) {
                    if (! opt.dumpdata_showempty) {
                        bool allzero = true;
                        for (int c = 0; c < spec.nchannels && allzero; ++c)
                            allzero &= (ptr[c] == 0.0f);
                        if (allzero) {
                            ptr += spec.nchannels;
                            continue;
                        }
                    }
                    if (spec.depth > 1 || spec.z != 0)
                        std::cout << Strutil::format("    Pixel (%d, %d, %d):",
                                             x+spec.x, y+spec.y, z+spec.z);
                    else
                        std::cout << Strutil::format("    Pixel (%d, %d):",
                                             x+spec.x, y+spec.y);
                    for (int c = 0;  c < spec.nchannels;  ++c, ++ptr) {
                        std::cout << ' ' << (*ptr);
                    }
                    std::cout << "\n";
                }
            }
        }
    }
}