161 lines
5.4 KiB
C
161 lines
5.4 KiB
C
/* -*- C -*-
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* Copyright (c) 2002-2006 Motoyuki Kasahara
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* 使用方法:
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* font <book-path> <subbook-index>
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* 例:
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* font /cdrom 0
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* 説明:
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* <book-path> で指定した CD-ROM 書籍から特定の副本を選び、その
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* 副本が定義している半角外字 (高さ 16 ピクセル) をすべてアスキー
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* アートで表示します。
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*
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* その副本が、高さ 16 ピクセルの半角外字を定義していないと、エ
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* ラーになります。
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*
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* <subbook-index> には、検索対象の副本のインデックスを指定しま
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* す。インデックスは、書籍の最初の副本から順に 0、1、2 ... に
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* なります。
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <eb/eb.h>
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#include <eb/error.h>
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#include <eb/font.h>
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int
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main(int argc, char *argv[])
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{
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EB_Error_Code error_code;
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EB_Book book;
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EB_Subbook_Code subbook_list[EB_MAX_SUBBOOKS];
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int subbook_count;
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int subbook_index;
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int font_start;
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unsigned char bitmap[EB_SIZE_NARROW_FONT_16];
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int i, j;
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/* コマンド行引数をチェック。*/
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if (argc != 3) {
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fprintf(stderr, "Usage: %s book-path subbook-index\n",
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argv[0]);
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exit(1);
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}
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/* EB ライブラリと `book' を初期化。*/
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eb_initialize_library();
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eb_initialize_book(&book);
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/* 書籍を `book' に結び付ける。*/
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error_code = eb_bind(&book, argv[1]);
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if (error_code != EB_SUCCESS) {
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fprintf(stderr, "%s: failed to bind the book, %s: %s\n",
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argv[0], eb_error_message(error_code), argv[1]);
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goto die;
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}
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/* 副本の一覧を取得。*/
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error_code = eb_subbook_list(&book, subbook_list, &subbook_count);
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if (error_code != EB_SUCCESS) {
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fprintf(stderr, "%s: failed to get the subbbook list, %s\n",
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argv[0], eb_error_message(error_code));
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goto die;
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}
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/* 副本のインデックスを取得。*/
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subbook_index = atoi(argv[2]);
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/*「現在の副本 (current subbook)」を設定。*/
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error_code = eb_set_subbook(&book, subbook_list[subbook_index]);
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if (error_code != EB_SUCCESS) {
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fprintf(stderr, "%s: failed to set the current subbook, %s\n",
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argv[0], eb_error_message(error_code));
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goto die;
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}
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/*「現在の外字の大きさ」を設定。*/
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if (eb_set_font(&book, EB_FONT_16) < 0) {
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fprintf(stderr, "%s: failed to set the font size, %s\n",
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argv[0], eb_error_message(error_code));
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goto die;
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}
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/* 外字の開始位置を取得。*/
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error_code = eb_narrow_font_start(&book, &font_start);
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if (error_code != EB_SUCCESS) {
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fprintf(stderr, "%s: failed to get font information, %s\n",
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argv[0], eb_error_message(error_code));
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goto die;
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}
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i = font_start;
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for (;;) {
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/* 外字のビットマップデータを取得。*/
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error_code = eb_narrow_font_character_bitmap(&book, i,
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(char *)bitmap);
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if (error_code != EB_SUCCESS) {
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fprintf(stderr, "%s: failed to get font data, %s\n",
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argv[0], eb_error_message(error_code));
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goto die;
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}
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/* ビットマップをアスキーアートにして出力。*/
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printf("code point=%04x\n", i);
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for (j = 0; j < 16; j++) {
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fputc((bitmap[j] & 0x80) ? '*' : ' ', stdout);
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fputc((bitmap[j] & 0x40) ? '*' : ' ', stdout);
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fputc((bitmap[j] & 0x20) ? '*' : ' ', stdout);
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fputc((bitmap[j] & 0x10) ? '*' : ' ', stdout);
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fputc((bitmap[j] & 0x08) ? '*' : ' ', stdout);
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fputc((bitmap[j] & 0x04) ? '*' : ' ', stdout);
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fputc((bitmap[j] & 0x02) ? '*' : ' ', stdout);
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fputc((bitmap[j] & 0x01) ? '*' : ' ', stdout);
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fputc('\n', stdout);
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}
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fputs("--------\n", stdout);
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/* 外字の文字番号を一つ進める。*/
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error_code = eb_forward_narrow_font_character(&book, 1, &i);
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if (error_code != EB_SUCCESS)
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break;
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}
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/* 書籍と EB ライブラリの利用を終了。*/
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eb_finalize_book(&book);
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eb_finalize_library();
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exit(0);
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/* エラー発生で終了するときの処理。*/
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die:
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eb_finalize_book(&book);
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eb_finalize_library();
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exit(1);
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}
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