JNIEXPORT void JNICALL
JNI_FN(MuPDFCore_saveImageInternal)(JNIEnv * env, jobject thiz, jobject bitmap, jint imgW, jint imgH, jint posX, jint posY)
{

    AndroidBitmapInfo info;
    void *pixels;
    int ret;
    fz_irect bbox;
    fz_rect rect;
    fz_pixmap *pix = NULL;
    fz_image *img = NULL;
    fz_point pos;
    fz_matrix mtrx;

    image_struct img_s;

    globals *glo = get_globals(env, thiz);
    fz_context *ctx = glo->ctx;
    pdf_document *doc = glo->doc;
    pdf_page *page = &glo->pages[glo->current];


    fz_var(pix);
    fz_var(img);
    fz_var(pos);

    LOGI("In native method\n");
    if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
        LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
        return 0;
    }

    LOGI("Checking format\n");
    if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
        LOGE("Bitmap format is not RGBA_8888 !");
        return 0;
    }

    LOGI("locking pixels\n");
    if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
        LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
        return 0;
    }
    LOGI("pixels locked\n");

    bbox.x0 = 0;
    bbox.y0 = 0;
    bbox.x1 = imgW;
    bbox.y1 = imgH;
    LOGI("Bbox created\n");
    pix = fz_new_pixmap_with_bbox_and_data(ctx, glo->colorspace, &bbox, pixels);
    LOGI("Pixmap created\n");
    img = fz_new_image_from_pixmap(ctx, pix, NULL);
    LOGI("1 - Image created\n");

    LOGI("Creating Pos\n");
    pos.x = (float)posX;
    pos.y = (float)posY;
    LOGI("Pos created\n");

    fz_matrix ctm = fz_identity;
    LOGI("Ctm created\n");
    float zoom = glo->resolution / 72;
    zoom = 1.0 / zoom;
    fz_scale(&ctm, zoom, zoom);
    LOGI("Scaled\n");
    fz_transform_point(&pos, &ctm);
    LOGI("Transformed\n");
    img_s.image = img;
    img_s.pos = &pos;
    LOGI("Set matrix\n");
    mtrx.a = (float)imgW;
    mtrx.d = (float)imgH;
    mtrx.e = pos.x;
    mtrx.f = pos.y;
    LOGI("matrix created\n");
    img_s.matrix = &mtrx;
    img_s.doc = doc;
    LOGI("Img_s created\n");

    LOGI("2 - Going to clean page\n");
    pdf_clean_page_contents(doc, page, NULL, my_process_fn, &img_s);
    LOGI("6 - Image insert\n");

}