// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#include <catch2/catch_all.hpp>

#include <fstream>
#include "../preview/JFJochPNG.h"

TEST_CASE("PNGTest","[PNG]") {
    size_t width = 1024;
    size_t height = 1024;
    std::vector<rgb> val(width * height);
    for (int i = 0; i < width * height; i++) {
        size_t x = i % width;
        if (x < 512) {
            val[i].r = 234;
            val[i].g = 0;
            val[i].b = 0;
        } else {
            val[i].r = 0;
            val[i].g = 0;
            val[i].b = 255;
        }
    }

    std::string s;

    CompressedImage image(val, width, height);
    REQUIRE_NOTHROW(s = WritePNGToMem(image));
    std::ofstream f("x.png", std::ios::binary);
    f.write(s.data(), s.size());
}