Hi Stéphane, According to:
https://gitlab.freedesktop.org/poppler/poppler/-/blob/poppler-0.62.0/cpp/poppler-page-renderer.cpp#L191 const image img(reinterpret_cast<char *>(data_ptr), bw, bh, image::format_argb32); It might be ARGB32 format (although I've not confirmed yet). Regards, mpsuzuki On 2022/05/01 9:08, Stéphane Charette wrote:
I'm combining Poppler and OpenCV. I use poppler::page_renderer's call set_image_format() so the image can easily be used in OpenCV. Code more-or-less looks like this: renderer.set_image_format(poppler::image::format_enum::format_bgr24); poppler::image image = renderer.render_page(page, dpi, dpi); cv::Mat mat(image.height(), image.width(), CV_8UC3, image.data(), image.bytes_per_row()); But with older versions of Poppler (like what is included in Ubuntu 18.04: poppler 0.62.0) the call to set_image_format() does not exist. What is the image format used by poppler in this case? Stéphane
