예제 #1
0
파일: limglib.c 프로젝트: pgundlach/LuaTeX
static void read_scale_img(image * a)
{
    image_dict *ad;
    if (a == NULL) {
        luaL_error(Luas, "the image scaler needs a valid image");
    } else {
        ad = img_dict(a);
        if (a == NULL) {
            luaL_error(Luas, "the image scaler needs a valid dictionary");
        } else {
            if (img_state(ad) == DICT_NEW) {
                if (img_type(ad) == IMG_TYPE_PDFSTREAM)
                    check_pdfstream_dict(ad);
                else {
                    read_img(ad);
                }
            }
            if ((img_type(ad) == IMG_TYPE_NONE) || (img_state(ad) == DICT_NEW)) {
                normal_warning("image","don't rely on the image data to be okay");
                img_width(a) = 0;
                img_height(a) = 0;
                img_depth(a) = 0;
            } else if (is_wd_running(a) || is_ht_running(a) || is_dp_running(a)) {
                img_dimen(a) = scale_img(ad, img_dimen(a), img_transform(a));
            }
        }
    }
}
예제 #2
0
void scan_pdfrefximage(PDF pdf)
{
    /*tex One could scan transform as well. */
    int transform = 0;
    /*tex Begin of experiment. */
    int open = 0;
    /*tex End of experiment. */
    image_dict *idict;
    /*tex This scans |<rule spec>| to |alt_rule|. */
    scaled_whd alt_rule, dim;
    alt_rule = scan_alt_rule();
    /*tex Begin of experiment. */
    if (scan_keyword("keepopen")) {
        open = 1;
    }
    /*tex End of experiment. */
    scan_int();
    check_obj_type(pdf, obj_type_ximage, cur_val);
    tail_append(new_rule(image_rule));
    idict = idict_array[obj_data_ptr(pdf, cur_val)];
    /*tex Begin of experiment, */
    if (open) {
        /*tex So we keep the original value when no close is given. */
        idict->keepopen = 1;
    }
    /*tex End of experiment. */
    if (img_state(idict) == DICT_NEW) {
        normal_warning("image","don't rely on the image data to be okay");
        width(tail_par) = 0;
        height(tail_par) = 0;
        depth(tail_par) = 0;
    } else {
        if (alt_rule.wd != null_flag || alt_rule.ht != null_flag || alt_rule.dp != null_flag) {
            dim = scale_img(idict, alt_rule, transform);
        } else {
            dim = scale_img(idict, img_dimen(idict), img_transform(idict));
        }
        width(tail_par) = dim.wd;
        height(tail_par) = dim.ht;
        depth(tail_par) = dim.dp;
        rule_transform(tail_par) = transform;
        rule_index(tail_par) = img_index(idict);
    }
}
예제 #3
0
static void read_scale_img(image * a)
{
    image_dict *ad;
    assert(a != NULL);
    ad = img_dict(a);
    assert(ad != NULL);
    if (img_state(ad) == DICT_NEW) {
        if (img_type(ad) == IMG_TYPE_PDFSTREAM)
            check_pdfstream_dict(ad);
        else {
            fix_pdf_minorversion(static_pdf);
            read_img(static_pdf,
                     ad, pdf_minor_version, pdf_inclusion_errorlevel);
        }
    }
    if (is_wd_running(a) || is_ht_running(a) || is_dp_running(a))
        img_dimen(a) = scale_img(ad, img_dimen(a), img_transform(a));
}