C/Visual C - Como Abrir archivo JPG con graficos en TC3++

#include <graphics.h>

#include <jpeglib.h>

void displayJPG(const char* filename) {

    FILE* file = fopen(filename, "rb");

    if (file == NULL) {

        printf("Error al abrir el archivo JPG\n");

        return;

    }

    struct jpeg_decompress_struct cinfo;

    struct jpeg_error_mgr jerr;

    cinfo.err = jpeg_std_error(&jerr);

    jpeg_create_decompress(&cinfo);

    jpeg_stdio_src(&cinfo, file);

    jpeg_read_header(&cinfo, TRUE);

    jpeg_start_decompress(&cinfo);

    int width = cinfo.output_width;

    int height = cinfo.output_height;

    int numChannels = cinfo.output_components;

    unsigned char* buffer = (unsigned char*)malloc(width * height * numChannels);

    unsigned char* rowPtr;

    while (cinfo.output_scanline < height) {

        rowPtr = buffer + (cinfo.output_scanline) * width * numChannels;

        jpeg_read_scanlines(&cinfo, &rowPtr, 1);

    }

    closegraph();

    initgraph(&gd, &gm, "C:\\TC\\BGI");

    for (int y = 0; y < height; y++) {

        for (int x = 0; x < width; x++) {

            int r = buffer[(y * width + x) * numChannels];

            int g = buffer[(y * width + x) * numChannels + 1];

            int b = buffer[(y * width + x) * numChannels + 2];

            putpixel(x, y, COLOR(r, g, b));

        }

    }

    free(buffer);

    jpeg_finish_decompress(&cinfo);

    jpeg_destroy_decompress(&cinfo);

    fclose(file);

}

int main() {

    int gd = DETECT, gm;

    initgraph(&gd, &gm, "C:\\TC\\BGI");

    displayJPG("imagen.jpg");

    getch();

    closegraph();

    return 0;

}