forked from Rupan/paperbak
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathpaperbak.h
394 lines (322 loc) · 19.6 KB
/
paperbak.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
////////////////////////////////////////////////////////////////////////////////
// //
// THIS SOFTWARE IS FREE! //
// //
// This program is free software; you can redistribute it and/or modify it //
// under the terms of the GNU General Public License as published by the Free //
// Software Foundation; either version 2 of the License, or (at your option) //
// any later version. This program is distributed in the hope that it will be //
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General //
// Public License (http://www.fsf.org/copyleft/gpl.html) for more details. //
// //
////////////////////////////////////////////////////////////////////////////////
#include <windows.h>
#include <algorithm>
#include "BZLIB/bzlib.h"
#if __GNUC__ > 0
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
////////////////////////////////////////////////////////////////////////////////
//Reimplementations of proprietary Embarcadero Rad Studio language extensions///
#include "fnsplitmerge.h"
//from <algorithm> . Should be close enough.
using std::min;
using std::max;
////////////////////////////////////////////////////////////////////////////////
///////////////////////////// GENERAL DEFINITIONS //////////////////////////////
#define VERSIONHI 1 // Major version
#define VERSIONLO 10 // Minor version
#define MAINDX 800 // Max width of the main window, pixels
#define MAINDY 600 // Max height of the main window, pixels
#define TEXTLEN 256 // Maximal length of strings
#define PASSLEN 33 // Maximal length of password, incl. 0
#define AESKEYLEN 24 // AES key length in bytes (16, 24, or 32)
typedef unsigned char uchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
extern HINSTANCE hinst; // Application's instance
extern HWND hwmain; // Handle of the main window
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////// DATA PROPERTIES ////////////////////////////////
// Don't change the definitions below! Program may crash if any modified!
#define NDOT 32 // Block X and Y size, dots
#define NDATA 90 // Number of data bytes in a block
#define MAXSIZE 0x0FFFFF80 // Maximal (theoretical) length of file
#define SUPERBLOCK 0xFFFFFFFF // Address of superblock
#define NGROUP 5 // For NGROUP blocks (1..15), 1 recovery
#define NGROUPMIN 2
#define NGROUPMAX 10
typedef struct t_data { // Block on paper
ulong addr; // Offset of the block or special code
uchar data[NDATA]; // Useful data
ushort crc; // Cyclic redundancy of addr and data
uchar ecc[32]; // Reed-Solomon's error correction code
} t_data;
#define PBM_COMPRESSED 0x01 // Paper backup is compressed
#define PBM_ENCRYPTED 0x02 // Paper backup is encrypted
typedef struct t_superdata { // Identification block on paper
ulong addr; // Expecting SUPERBLOCK
ulong datasize; // Size of (compressed) data
ulong pagesize; // Size of (compressed) data on page
ulong origsize; // Size of original (uncompressed) data
uchar mode; // Special mode bits, set of PBM_xxx
uchar attributes; // Basic file attributes
ushort page; // Actual page (1-based)
FILETIME modified; // Time of last file modification
ushort filecrc; // CRC of compressed decrypted file
char name[64]; // File name - may have all 64 chars
ushort crc; // Cyclic redundancy of previous fields
uchar ecc[32]; // Reed-Solomon's error correction code
} t_superdata;
typedef struct t_block { // Block in memory
ulong addr; // Offset of the block
ulong recsize; // 0 for data, or length of covered data
uchar data[NDATA]; // Useful data
} t_block;
typedef struct t_superblock { // Identification block in memory
ulong addr; // Expecting SUPERBLOCK
ulong datasize; // Size of (compressed) data
ulong pagesize; // Size of (compressed) data on page
ulong origsize; // Size of original (uncompressed) data
ulong mode; // Special mode bits, set of PBM_xxx
ushort page; // Actual page (1-based)
FILETIME modified; // Time of last file modification
ulong attributes; // Basic file attributes
ulong filecrc; // 16-bit CRC of decrypted packed file
char name[64]; // File name - may have all 64 chars
int ngroup; // Actual NGROUP on the page
} t_superblock;
////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////// CRC //////////////////////////////////////
ushort Crc16(uchar *data,int length);
////////////////////////////////////////////////////////////////////////////////
////////////////////////// REED-SOLOMON ECC ROUTINES ///////////////////////////
void Encode8(uchar *data,uchar *parity,int pad);
int Decode8(uchar *data, int *eras_pos, int no_eras,int pad);
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////// PRINTER ////////////////////////////////////
#define PACKLEN 65536 // Length of data read buffer 64 K
typedef struct t_printdata { // Print control structure
int step; // Next data printing step (0 - idle)
char infile[MAXPATH]; // Name of input file
char outbmp[MAXPATH]; // Name of output bitmap (empty: paper)
HANDLE hfile; // Handle of input file
FILETIME modified; // Time of last file modification
ulong attributes; // File attributes
ulong origsize; // Original file size, bytes
ulong readsize; // Amount of data read from file so far
ulong datasize; // Size of (compressed) data
ulong alignedsize; // Data size aligned to next 16 bytes
ulong pagesize; // Size of (compressed) data on page
int compression; // 0: none, 1: fast, 2: maximal
int encryption; // 0: none, 1: encrypt
int printheader; // Print header and footer
int printborder; // Print border around bitmap
int redundancy; // Redundancy
uchar *buf; // Buffer for compressed file
ulong bufsize; // Size of buf, bytes
uchar *readbuf; // Read buffer, PACKLEN bytes long
bz_stream bzstream; // Compression control structure
int bufcrc; // 16-bit CRC of (packed) data in buf
t_superdata superdata; // Identification block on paper
HDC dc; // Printer device context
int frompage; // First page to print (0-based)
int topage; // Last page (0-based, inclusive)
int ppix; // Printer X resolution, pixels per inch
int ppiy; // Printer Y resolution, pixels per inch
int width; // Page width, pixels
int height; // Page height, pixels
HFONT hfont6; // Font 1/6 inch high
HFONT hfont10; // Font 1/10 inch high
int extratop; // Height of title line, pixels
int extrabottom; // Height of info line, pixels
int black; // Palette index of dots colour
int borderleft; // Left page border, pixels
int borderright; // Right page border, pixels
int bordertop; // Top page border, pixels
int borderbottom; // Bottom page border, pixels
int dx,dy; // Distance between dots, pixels
int px,py; // Dot size, pixels
int nx,ny; // Grid dimensions, blocks
int border; // Border around the data grid, pixels
HBITMAP hbmp; // Handle of memory bitmap
uchar *dibbits; // Pointer to DIB bits
uchar *drawbits; // Pointer to file bitmap bits
uchar bmi[sizeof(BITMAPINFO)+256*sizeof(RGBQUAD)]; // Bitmap info
int startdoc; // Print job started
} t_printdata;
extern PAGESETUPDLG pagesetup; // Structure with printer page settings
extern int resx,resy; // Printer resolution, dpi (may be 0!)
extern t_printdata printdata; // Print control structure
void Initializeprintsettings(void);
void Closeprintsettings(void);
void Setuppage(void);
void Stopprinting(t_printdata *print);
void Nextdataprintingstep(t_printdata *print);
void Printfile(char *path,char *bmp);
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////// DECODER ////////////////////////////////////
#define M_BEST 0x00000001 // Search for best possible quality
typedef struct t_procdata { // Descriptor of processed data
int step; // Next data processing step (0 - idle)
int mode; // Set of M_xxx
uchar *data; // Pointer to bitmap
int sizex; // X bitmap size, pixels
int sizey; // Y bitmap size, pixels
int gridxmin,gridxmax; // Rought X grid limits, pixels
int gridymin,gridymax; // Rought Y grid limits, pixels
int searchx0,searchx1; // X grid search limits, pixels
int searchy0,searchy1; // Y grid search limits, pixels
int cmean; // Mean grid intensity (0..255)
int cmin,cmax; // Minimal and maximal grid intensity
float sharpfactor; // Estimated sharpness correction factor
float xpeak; // Base X grid line, pixels
float xstep; // X grid step, pixels
float xangle; // X tilt, radians
float ypeak; // Base Y grid line, pixels
float ystep; // Y grid step, pixels
float yangle; // Y tilt, radians
float blockborder; // Relative width of border around block
int bufdx,bufdy; // Dimensions of block buffers, pixels
uchar *buf1,*buf2; // Rotated and sharpened block
int *bufx,*bufy; // Block grid data finders
uchar *unsharp; // Either buf1 or buf2
uchar *sharp; // Either buf1 or buf2
float blockxpeak,blockypeak;// Exact block position in unsharp
float blockxstep,blockystep;// Exact block dimensions in unsharp
int nposx; // Number of blocks to scan in X
int nposy; // Number of blocks to scan in X
int posx,posy; // Next block to scan
t_data uncorrected; // Data before ECC for block display
t_block *blocklist; // List of blocks recognized on page
t_superblock superblock; // Page header
int maxdotsize; // Maximal size of the data dot, pixels
int orientation; // Data orientation (-1: unknown)
int ngood; // Page statistics: good blocks
int nbad; // Page statistics: bad blocks
int nsuper; // Page statistics: good superblocks
int nrestored; // Page statistics: restored bytes
} t_procdata;
extern int orientation; // Orientation of bitmap (-1: unknown)
extern t_procdata procdata; // Descriptor of processed data
void Nextdataprocessingstep(t_procdata *pdata);
void Freeprocdata(t_procdata *pdata);
void Startbitmapdecoding(t_procdata *pdata,uchar *data,int sizex,int sizey);
void Stopbitmapdecoding(t_procdata *pdata);
int Decodeblock(t_procdata *pdata,int posx,int posy,t_data *result);
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////// FILE PROCESSOR ////////////////////////////////
#define NFILE 5 // Max number of simultaneous files
typedef struct t_fproc { // Descriptor of processed file
int busy; // In work
// General file data.
char name[64]; // File name - may have all 64 chars
FILETIME modified; // Time of last file modification
ulong attributes; // Basic file attrributes
ulong datasize; // Size of (compressed) data
ulong pagesize; // Size of (compressed) data on page
ulong origsize; // Size of original (uncompressed) data
ulong mode; // Special mode bits, set of PBM_xxx
int npages; // Total number of pages
ulong filecrc; // 16-bit CRC of decrypted packed file
// Properties of currently processed page.
int page; // Currently processed page
int ngroup; // Actual NGROUP on the page
ulong minpageaddr; // Minimal address of block on page
ulong maxpageaddr; // Maximal address of block on page
// Gathered data.
int nblock; // Total number of data blocks
int ndata; // Number of decoded blocks so far
uchar *datavalid; // 0:data invalid, 1:valid, 2:recovery
uchar *data; // Gathered data
// Statistics.
int goodblocks; // Total number of good blocks read
int badblocks; // Total number of unreadable blocks
ulong restoredbytes; // Total number of bytes restored by ECC
int recoveredblocks; // Total number of recovered blocks
int rempages[8]; // 1-based list of remaining pages
} t_fproc;
extern t_fproc fproc[NFILE]; // Processed files
void Closefproc(int slot);
int Startnextpage(t_superblock *superblock);
int Addblock(t_block *block,int slot);
int Finishpage(int slot,int ngood,int nbad,ulong nrestored);
int Saverestoredfile(int slot,int force);
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////// SCANNER ////////////////////////////////////
extern int twainstate; // According to TWAIN specifications
int Decodebitmap(char *path);
int SelectTWAINsource(void);
int OpenTWAINmanager(void);
int OpenTWAINinterface(void);
int CloseTWAINmanager(void);
int PassmessagetoTWAIN(MSG *msg);
int LoadTWAINlibrary(void);
void CloseTWAINlibrary(void);
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////// CONTROLS ///////////////////////////////////
#define MAINCLASS "P2DMAIN" // Name of the class of main window
#define DATAFRAMECLASS "P2DATAFRAME" // Name of the class of data frame
#define DISPLAYCLASS "P2DDISPL" // Name of the class of display window
#define PROGRESSCLASS "P2DPROGRESS" // Name of the class of progress window
#define BUTTONFRAME "P2BTNFRAME" // Name of the class of button frame
#define INFOFRAMECLASS "P2INFOFRAME" // Name of the class of info frame
#define INFOBTNCLASS "P2INFOBTNS" // Name of the class of info btn holder
#define BLOCKSELCLASS "P2BLOCKSEL" // Name of the class of block selector
#define DELTA 3 // Distance between panels in main window
#define BUTTONDY 32 // Height of the buttons
// Display modes.
#define DISP_QUALITY 0 // Display quality map
#define DISP_BLOCK 1 // Display block image
extern HBRUSH graybrush; // Button face brush (usually gray)
void Reporterror(const char *text);
void Message(const char *text,int percent);
void Updatebuttons(void);
void Setdisplaymode(int mode);
void Initqualitymap(int nx,int ny);
void Addblocktomap(int x,int y,int nrestored);
void Displayblockimage(t_procdata *pdata,int posx,int posy,
int answer,t_data *result);
int Changeblockselection(WPARAM wp);
void Updatefileinfo(int slot,t_fproc *fproc);
int Createcontrols(void);
////////////////////////////////////////////////////////////////////////////////
////////////////////////////// SERVICE FUNCTIONS ///////////////////////////////
int Filetimetotext(FILETIME *fttime,char *s,int n);
int Selectinfile(void);
int Selectoutfile(char defname[64]);
int Selectinbmp(void);
int Selectoutbmp(void);
void Clearqueue(void);
int Getqueuefreecount(void);
int Addfiletoqueue(char *path,int isbitmap);
int Getfilefromqueue(char *path);
////////////////////////////////////////////////////////////////////////////////
//////////////////////////////// USER INTERFACE ////////////////////////////////
extern char infile[MAXPATH]; // Last selected file to read
extern char outbmp[MAXPATH]; // Last selected bitmap to save
extern char inbmp[MAXPATH]; // Last selected bitmap to read
extern char outfile[MAXPATH]; // Last selected data file to save
extern char password[PASSLEN]; // Encryption password
extern int dpi; // Dot raster, dots per inch
extern int dotpercent; // Dot size, percent of dpi
extern int compression; // 0: none, 1: fast, 2: maximal
extern int redundancy; // Redundancy (NGROUPMIN..NGROUPMAX)
extern int printheader; // Print header and footer
extern int printborder; // Border around bitmap
extern int autosave; // Autosave completed files
extern int bestquality; // Determine best quality
extern int encryption; // Encrypt data before printing
extern int opentext; // Enter passwords in open text
extern int marginunits; // 0:undef, 1:inches, 2:millimeters
extern int marginleft; // Left printer page margin
extern int marginright; // Right printer page margin
extern int margintop; // Top printer page margin
extern int marginbottom; // Bottom printer page margin
void Options(void);
int Confirmpassword();
int Getpassword(void);