prepost.cpp

#include "tinytiffreader.h"
//#include "tinytiffwriter.h"
#include <iostream>
int main() {
    TinyTIFFReaderFile* tiffr = NULL;
    tiffr = TinyTIFFReader_open("C:\\Users\\zongz\\Pictures\\2_0_73um_recon_Export_0001.tif");
    //TinyTIFFWriterFile* tif = TinyTIFFWriter_open("myfil.tif", 8, TinyTIFFWriter_UInt, 1, 973, 1013, TinyTIFFWriter_Greyscale);
    if (!tiffr) {
        std::cout << "    ERROR reading (not existent, not accessible or no TIFF file)\n";
    }
    else {
        if (TinyTIFFReader_wasError(tiffr)) {
            std::cout << "   ERROR:" << TinyTIFFReader_getLastError(tiffr) << "\n";
        }
        else {
            std::cout << "    ImageDescription:\n" << TinyTIFFReader_getImageDescription(tiffr) << "\n";
            uint32_t frames = TinyTIFFReader_countFrames(tiffr);
            std::cout << "    frames: " << frames << "\n";
            uint32_t frame = 0;
            if (TinyTIFFReader_wasError(tiffr)) {
                std::cout << "   ERROR:" << TinyTIFFReader_getLastError(tiffr) << "\n";
            }
            else {
                do {
                    const uint32_t width = TinyTIFFReader_getWidth(tiffr);
                    const uint32_t height = TinyTIFFReader_getHeight(tiffr);
                    const uint16_t samples = TinyTIFFReader_getSamplesPerPixel(tiffr);
                    const uint16_t bitspersample = TinyTIFFReader_getBitsPerSample(tiffr, 0);
                    bool ok = true;
                    std::cout << "    size of frame " << frame << ": " << width << "x" << height << "\n";
                    std::cout << "    each pixel has " << samples << " samples with " << bitspersample << " bits each\n"; 
                        if (ok) {
                            frame++;
                            // allocate memory for 1 sample from the image
                            uint8_t* image = (uint8_t*)calloc(width * height, bitspersample / 8);

                            for (uint16_t sample = 0; sample < samples; sample++) {
                                // read the sample
                                TinyTIFFReader_getSampleData(tiffr, image, sample);
                                if (TinyTIFFReader_wasError(tiffr)) { ok = false; std::cout << "   ERROR:" << TinyTIFFReader_getLastError(tiffr) << "\n"; break; }

                                // HERE WE CAN DO SOMETHING WITH THE SAMPLE FROM THE IMAGE 
                                // IN image (ROW-MAJOR!)
                                // Note: That you may have to typecast the array image to the
                                // datatype used in the TIFF-file. You can get the size of each
                                // sample in bits by calling TinyTIFFReader_getBitsPerSample() and
                                // the datatype by calling TinyTIFFReader_getSampleFormat().
                               /* if (frame == 1) {
                                    for (int i = 0; i < width; i++) {
                                        for (int j = 0; j < height; j++) {
                                            std::cout << int(image[i * width + j]) << ",";
                                        }
                                        std::cout << std::endl;
                                    }
                                    
                                }*/
                                //TinyTIFFWriter_writeImage(tif, image);

                            }

                            free(image);
                        }
                } while (TinyTIFFReader_readNext(tiffr)); // iterate over all frames
                std::cout << "    read " << frame << " frames\n";
            }
        }
    }
    TinyTIFFReader_close(tiffr);
    //TinyTIFFWriter_close(tif);
    std::cin.get();
}