root / pkpgcounter / trunk / NEWS @ 561

Revision 561, 9.0 kB (checked in by jerome, 17 years ago)

Partial rewrite of PostScript? parser to increase both readability and speed (around 25% on my tests)

  • Property svn:keyword set to Auth Date Id Rev
  • Property svn:keywords set to Auth Date Id Rev
Line 
1# $Id$
2
3pkpgcounter : a generic Page Description Language parser
4
5(c) 2003, 2004, 2005, 2006, 2007 Jerome Alet <alet@librelogiciel.com>
6This program is free software: you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation, either version 3 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program.  If not, see <http://www.gnu.org/licenses/>.
18
19=============================================================================
20
21pkpgcounter News :
22
23  * 3.51 :
24 
25    - Partial rewrite of the PostScript parser, with huge performance increase.
26   
27    - Fixed a problem in the PostScript parser where the number of copies set with
28      e.g. "dvips -c 9 -o output.ps input.dvi" wasn't correctly detected.
29     
30  * 3.50 :
31 
32    - Added support for Canon BJ/BJC documents in page counting mode.
33   
34    - Added support for Structured Fax documents in page counting mode.
35   
36    - Added support for ASCII PNM (Netpbm) documents in page counting mode.
37   
38    - Fixed a problem with the parsing of SPL1 (GDI) documents : all such
39      documents should now be correctly parsed.
40   
41    - Improved the PCL3/4/5 parser.
42   
43  * 3.40 :
44 
45    - Fixed a major bug in the detection of OpenDocument (ISO/IEC DIS 26300)
46      files.
47     
48    - Added support for page counting in Microsoft Word (c) (tm) (r) (etc...)
49      documents.
50     
51    - Added support for ink accounting in Microsoft Word (c) (tm) (r) (etc...)
52      and OpenDocument (ISO/IEC DIS 26300) documents.
53     
54    - Now automatically detects missing executable dependencies at runtime. 
55     
56  * 3.30 :
57 
58    - Added support for all file formats supported by the Python Imaging
59      Library.
60   
61    - Added a minimal parser for Hewlett-Packard LIDIL documents, as
62      produced by the hpijs driver.
63     
64    - Improved general reliability.
65   
66    - Improved detection of PCL3/4/5 jobs.
67   
68    - Major code cleaning. 
69     
70  * 3.20 :
71   
72    - Added a minimal parser for Brother HBP documents.
73   
74    - Added support for Canon ImageRunner commands to the PCLXL parser,
75      much like it was already done for the PCL3/4/5 parser.
76     
77  * 3.10 :
78 
79    - Added a minimal parser for ESC/PAGES03 style documents.
80   
81    - Fixed another problem in the code handling the output of Canon's
82      ImageRunner printer drivers.
83   
84  * 3.00 :
85 
86    - Fixed a problem in the code handling the output of Canon's ImageRunner
87      printer drivers.
88     
89    - Licensing terms changed to GNU GPL v3.0 or higher. 
90   
91  * 2.18 :
92 
93    - Fixed an incompatibility with Python v2.5
94   
95  * 2.17 :
96 
97    - Fixed problems in the handling of PJL number of copies (COPIES= and QTY=)
98      which caused the number of copies for each page to be squared.
99   
100  * 2.16 :
101 
102    - Fixed a problem in the PCL3/4/5 parser to accomodate line based
103      report generators which expect the printer to skip to next page
104      based on lines per page instead of sending a specific command.
105     
106  * 2.15 :
107   
108    - Fixed a regexp in the PDF parser which caused some files to be
109      incorrectly accounted for.
110   
111    - Improved the detection of the number of copies in PostScript documents.
112   
113  * 2.14 :
114 
115    - Fixed a problem with some PS drivers which don't output %%Page:
116      comments.
117     
118  * 2.13 :
119   
120    - Nowrecognizes the GC colorspace if you only want to differentiate
121      grayscale pages from coloured pages. In this colorspace, the
122      percents are always "G : 100.0   C : 0.0" or "G : 0.0   C : 100.0"
123      respectively for a grayscale page and a coloured page.
124 
125  * 2.12 :
126 
127    - Fixed a problem with the PostScript parser.
128   
129  * 2.11 :
130 
131    - Improved overall robustness in ink accounting mode.
132   
133  * 2.10 :
134 
135    - Added a plain text parser, with support for both page counting and
136      ink coverage.
137   
138    - Added a minimal SPL1 parser.
139   
140    - Fixed a problem in the PCLXL parser related to Kyocera printer drivers.
141   
142  * 2.00 :
143 
144    - The PCL3/4/5 parser was rewritten from scratch and is now
145      table driven.
146     
147    - Improved the PostScript parser.
148   
149  * 1.85 :
150 
151    - Added support for Samsung QPDL (aka SPL2) file format in page
152      counting mode, thanks to the work done by Aur�en Croc on
153      reverse engineering the file format.
154     
155  * 1.85alpha :
156 
157    - Added test document and program to generate the test document
158      to check the functionning of the ink coverage computation algorithm.
159     
160  * 1.84 :
161 
162    - Computation of ink coverage now works and is documented.
163      The supported file formats are : PS, PDF, PCLXL, PCL3/4/5,
164      DVI and TIFF.
165     
166  * 1.84alpha :
167 
168    - Added initial support for the computation of ink coverage.
169      See python analyzer.py --help for details. The same command
170      line options work for pkpgcounter, although it's not
171      documented yet.
172   
173  * 1.83 :
174 
175    - Fixed a famously known 'brown paper bag' issue with file type autodetection.
176   
177  * 1.82 :
178 
179    - Fixed PCL3/4/5 parser to detect recent Xerox drivers' output.
180   
181  * 1.81 :
182 
183    - Improved the gs+Acrobat Reader fix done in 1.78.
184   
185  * 1.80 :
186 
187    - Added support for Zenographics ZjStream input format.
188   
189  * 1.79 :
190 
191    - Fixed a small problem in PostScript parser with dvips output.
192   
193  * 1.78 :
194 
195    - Launches gs less often when printing is done from Acrobat
196      Reader.
197   
198  * 1.77 :
199 
200    - Fixed some problems with the code introduced in 1.76.
201   
202    - Improved PCLXL parser's speed by almost 10%.
203   
204  * 1.76 :
205 
206    - Improved the PCLXL parser wrt undocumented tags.
207   
208    - Preliminary support for Kyocera Prescribe commands.
209   
210  * 1.75 :
211 
212    - Added preliminary support for Canon ImageRunner's "LIPS" or "UFR"
213      (I don't know which) Page Description Language.
214     
215  * 1.74 :
216 
217    - Fixed a problem in the retrieval of named media sizes in PCLXL.
218   
219    - Changed copyright years.
220   
221  * 1.73 :
222 
223    - Fixed duplex detection code in PCL3/4/5 parser.
224   
225    - Fixed PCLXL detection code.
226   
227    - Fixed retrieval of custom media types' names in PCLXL.
228   
229    - Added inactive code to compute ink coverage ala PrintBill.
230   
231  * 1.72 :
232 
233    - Improved heuristic to detect when ghostscript has to be used to do
234      the parsing.
235   
236  * 1.71 :
237 
238    - Now uses ghostscript as the parser when the PS stream was created by a
239      particular MSWindows driver.
240   
241    - Only complains about Psyco missing at install time, and stays
242      quiet when running without Psyco.
243     
244  * 1.70 :
245 
246    - Fixed some PJL escaping issue in the PCLXL and PCL3/4/5 parsers.
247   
248  * 1.69 :
249 
250    - Improved PCL3/4/5 parser.
251   
252    - Improved PCLXL parser wrt PJL stuff.
253   
254  * 1.68 :
255 
256    - Improved PostScript parser.
257   
258  * 1.67 :
259 
260    - Improved PostScript parser.
261   
262    - Improved PCL3/4/5 parser.
263   
264  * 1.66 :
265 
266    - Improved PCLXL parser.
267   
268    - Improved PCL3/4/5 parser.
269   
270  * 1.65 :
271   
272    - Improved PostScript parser.
273   
274    - Improved PCL3/4/5 parser.
275   
276  * 1.64 :
277   
278    - Improved PCL3/4/5 parser.
279   
280  * 1.63 :
281 
282    - Now handles PJL statements to extract number of copies, duplex mode
283      and paper size in the PCLXL and PCL3/4/5 parsers.
284   
285  * 1.62 :
286 
287    - Better handling of the number of copies in the PCLXL parser.
288   
289    - Better handling of the number of copies in the PCL3/4/5 parser.
290     
291  * 1.61 :
292 
293    - Improved PCL3/4/5 parser.
294   
295    - Better handling of the number of copies in the PostScript parser.
296      Now the number can be different from page to page.
297   
298  * 1.60 :
299 
300    - Improved PCLXL parser.
301   
302  * 1.59 :
303   
304    - Major rewrite of the PDF parser to correctly handle all line endings.
305     
306  * 1.58 :
307 
308    - Fix for PDF files which contain several versions of the same PDF object.
309   
310    - Doesn't break when python-psyco is not available.
311   
312  * 1.57 :
313 
314    - Fixed a recently introduced bug in binary postscript handling code. 
315   
316  * 1.56 :
317 
318    - Renamed the library from pdlanalyzer into pkpgpdls to avoid problems
319      when the code will be integrated back into PyKota.
320     
321  * 1.55 :
322 
323    - Added support for OpenOffice.org Writer and Impress documents.
324   
325  * 1.54 :
326   
327    - Added online documentation and a manual page.
328   
329  * 1.53 :
330 
331    - Moved code around to improve maintainability.
332   
333  * 1.52 :
334 
335    - Added support for the TIFF format.
336   
337  * 1.51 :
338 
339    - Added support for the DVI format.
340   
341  * 1.50 :
342 
343    - Major code changes to modularize. The pkpgcounter command line tool
344      is now just an almost empty skeleton, which uses the pdlanalyzer
345      library.
346     
347    - Several improvements to the parsing code. 
348     
349  * 1.00 :
350
351    - First release.
Note: See TracBrowser for help on using the browser.