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blread.cpp
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1 /**********************************************************************
2 * File: blread.cpp (Formerly pdread.c)
3 * Description: Friend function of BLOCK to read the uscan pd file.
4 * Author: Ray Smith
5 * Created: Mon Mar 18 14:39:00 GMT 1991
6 *
7 * (C) Copyright 1991, Hewlett-Packard Ltd.
8 ** Licensed under the Apache License, Version 2.0 (the "License");
9 ** you may not use this file except in compliance with the License.
10 ** You may obtain a copy of the License at
11 ** http://www.apache.org/licenses/LICENSE-2.0
12 ** Unless required by applicable law or agreed to in writing, software
13 ** distributed under the License is distributed on an "AS IS" BASIS,
14 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 ** See the License for the specific language governing permissions and
16 ** limitations under the License.
17 *
18 **********************************************************************/
19
20 #include "mfcpch.h"
21 #include <stdlib.h>
22 #ifdef __UNIX__
23 #include <assert.h>
24 #endif
25 #include "scanutils.h"
26 #include "fileerr.h"
27 #include "blread.h"
28
29 #define UNLV_EXT ".uzn" // unlv zone file
30
31 /**********************************************************************
32 * read_unlv_file
33 *
34 * Read a whole unlv zone file to make a list of blocks.
35 **********************************************************************/
36
37 bool read_unlv_file( //print list of sides
38 STRING name, //basename of file
39 inT32 xsize, //image size
40 inT32 ysize, //image size
41 BLOCK_LIST *blocks //output list
42 ) {
43 FILE *pdfp; //file pointer
44 BLOCK *block; //current block
45 int x; //current top-down coords
46 int y;
47 int width; //of current block
48 int height;
49 BLOCK_IT block_it = blocks; //block iterator
50
51 name += UNLV_EXT; //add extension
52 if ((pdfp = fopen (name.string (), "rb")) == NULL) {
53 return false; //didn't read one
54 }
55 else {
56 while (fscanf (pdfp, "%d %d %d %d %*s", &x, &y, &width, &height) >= 4) {
57 //make rect block
58 block = new BLOCK (name.string (), TRUE, 0, 0,
59 (inT16) x, (inT16) (ysize - y - height),
60 (inT16) (x + width), (inT16) (ysize - y));
61 //on end of list
62 block_it.add_to_end (block);
63 }
64 fclose(pdfp);
65 }
66 return true;
67 }
68
69 void FullPageBlock(int width, int height, BLOCK_LIST *blocks) {
70 BLOCK_IT block_it(blocks);
71 BLOCK* block = new BLOCK("", TRUE, 0, 0, 0, 0, width, height);
72 block_it.add_to_end(block);
73 }