Method GetPixelAs3Channels

tests/InferenceTestImage.cpp:158–180

}

std::tuple<uint8_t, uint8_t, uint8_t> InferenceTestImage::GetPixelAs3Channels(unsigned int x, unsigned int y) const
{
    if (x >= m_Width || y >= m_Height)
    {
        throw InferenceTestImageOutOfBoundsAccess(fmt::format("Attempted out of bounds image access. "
            "Requested ({0}, {1}). Maximum valid coordinates ({2}, {3}).", x, y, (m_Width - 1), (m_Height - 1)));
    }

    const unsigned int pixelOffset = x * GetNumChannels() + y * GetWidth() * GetNumChannels();
    const uint8_t* const pixelData = m_Data.data() + pixelOffset;
    ARMNN_ASSERT(pixelData <= (m_Data.data() + GetSizeInBytes()));

    std::array<uint8_t, 3> outPixelData;
    outPixelData.fill(0);

    const unsigned int maxChannelsInPixel = std::min(GetNumChannels(), static_cast<unsigned int>(outPixelData.size()));
    for (unsigned int c = 0; c < maxChannelsInPixel; ++c)
    {
        outPixelData[c] = pixelData[c];
    }

    return std::make_tuple(outPixelData[0], outPixelData[1], outPixelData[2]);
}


void InferenceTestImage::StbResize(InferenceTestImage& im, const unsigned int newWidth, const unsigned int newHeight)