move most of README to lib/Imager/Install.pod
[imager.git] / Changes
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1Imager release history. Older releases can be found in Changes.old
2
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3 - NOTE: possibly backward incompatible
4 support reading from/writing to perl filehandes that aren't raw
5 files.
6
7 This allows Imager's I/O to honour handles with layers such as
8 gzip, scalar file handles or tied file handles.
9
10 This is backward in-compatible in that previous Imager would simply
11 use fileno() to retrieve the fd for the file and call write(2) etc
12 on it directly.
13
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14Imager 0.94 - 15 Dec 2012
15=========================
16
17Variations on some of these changes were included in development
18releases.
19
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20 - improved thread safety
21 - the internal error stack and log file handle are now in a per-thread
22 context object
23 - JPEG now captures IPTC information in a thread-safe way
24 - avoid globals where possible for warning capture in libtiff
244725cf
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25 - use a mutex to avoid re-entering thread-unsafe giflib
26 - use a mutex to avoid re-entering thread-unsafe tifflib
27 - use a mutex to avoid re-entering thread-unsafe T1Lib
28 - use a library handle per thread for freetype 2.
0124c060 29 - use an engine handle per thread for freetype 1.x.
0eebfd59
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30 - originally these changes broke ABI compatibility, this has been
31 restored.
abffffed 32
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33 - clarify the return value of getpixel();
34 https://rt.cpan.org/Ticket/Display.html?id=81198
35
36 - fixed a race condition in parallel testing for T1
37
38 - fixed a bug in handling yoff for untransformed image-based fills
39
40 - documentation improvements for Imager::Fill
41
5e8f194e
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42 - FT2: report the library version while testing.
43
e9daa5af
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44Imager 0.93 - 15 Oct 2012
45===========
46
47Bug fixes:
71fbe41a
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48
49 - previously a transparency enabled GIF write (the default) would
50 always use a GIF89a header even if none of the images were
51 transparent.
7a5f7bc6 52
b2f967ef
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53 - previously the probe step for freetype-config would fail on cygwin
54
b2f967ef
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55 - catch an invalid matrix parameter to convert() instead of crashing
56 https://rt.cpan.org/Ticket/Display.html?id=79922
57
58 - remove the 16-bit/sample limitation from the documentation for
59 setsamples(), it hasn't applied for many releases.
60 https://rt.cpan.org/Ticket/Display.html?id=79989
61
9673d97e
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62 - don't copy setsamples() data parameter, it may be a large scalar
63 https://rt.cpan.org/Ticket/Display.html?id=79990
64
70b577d3
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65 - clean up .dSYM directories generated performing probes on OS X
66 Mountain Lion.
67
8c323994
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68 - pass the --verbose command-line option through to Imager::Probe in
69 sub-module's Makefile.PLs
70 https://rt.cpan.org/Ticket/Display.html?id=75878
71
e9daa5af
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72Enhancements:
73
74 - support for giflib 5.0. (5.0.1 and later)
75 https://rt.cpan.org/Ticket/Display.html?id=79029
76 The giflib API Imager uses doesn't have a mechanism to set the
77 header version in 5.0.0.
78
79 - update the GIF library probe code to check for the new giflib 5.0.1
80 EGifSetGifVersion() function, and to check for the giflib 4.2.0
81 uninitialized gif89 bug.
82 https://rt.cpan.org/Ticket/Display.html?id=79679
83 http://sourceforge.net/tracker/?func=detail&aid=3574283&group_id=102202&atid=631304
84
85 - avoid static variables when capturing IPTC data from JPEG files
86
87 - match Imager::Font;:T1's error message translations to those from
88 later versions of T1Lib.
89
90 - for libtiff versions that support extended warning handlers (3.8.0
91 or later), use them to avoid some global variables.
92
93 - note Image::ExifTool for better metadata support.
94 https://rt.cpan.org/Ticket/Display.html?id=79251
95
41c938ec
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96Imager 0.92 - 14 Aug 2012
97===========
98
b1c75496
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99 - giflib 4.2 eliminates the GIF_LIB_VERSION macro, handle that
100 correctly for both probing and runtime.
101 https://rt.cpan.org/Ticket/Display.html?id=77672
102
dcc10c4e
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103 - allow building JPEG/imexif.c on C89 compilers.
104
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105 - allow building GIF/imgif.c on C89 compilers.
106
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107Imager 0.91 - 4 Jun 2012
108===========
109
ef84bb32 110Bug fixes:
38742a13 111
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112 - The size of rotated images is no longer rounded up so aggressively.
113 Added rounding to the linear interpolation done for rotate() and
114 matrix_transform() for 1 and 3 channel 8-bit images.
115 Adjusted the two tranlate matrices used to build the final rotation
116 matrix to use the distance between the outlier pixels rather than
117 the pixel dimensions (ie. dimension-1).
118 With all of this the output of rotate(degrees => 270) on an 8-bit
119 image exactly matches the output of rotate(right => 270).
120 https://rt.cpan.org/Ticket/Display.html?id=77063
121
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122Other changes:
123
124 - eliminate the old IIM_new(), IIM_DESTROY() names from Imager's
125 internals, those names only matter for the XS interface.
126
127 - improve error reporting when PERL_INITIALIZE_IMAGER_CALLBACKS finds
128 the API level compiled into a loadable module such as
129 Imager::File::GIF doesn't match that of Imager. Previously it
130 could be difficult to determine exactly which module was failing to
131 load.
132 https://rt.cpan.org/Ticket/Display.html?id=77173
133
134 - added Imager->check_file_limits() as an interface to the
135 i_int_check_image_file_limits() API.
136
137 - Imager->set_file_limits(reset => 1) now resets the limits to the
138 defaults rather than setting them all to unlimited.
139
140 - wrote a brief security note as Imager::Security
141 https://rt.cpan.org/Ticket/Display.html?id=68910
142
6f31dd14 143Imager 0.90 - 30 Apr 2012
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144===========
145
146Bug fixes:
147
148 - Imager::Test::is_imaged() attempted to process an "epsilon"
149 parameter but the prototype didn't allow for the extra parameter.
150 Corrected the prototype.
151
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152 - when downconverting samples (eg. from floating point to 8 bit)
153 Imager now rounds the sample value rather than attempting to
154 allocate input values over output values equally. The old
155 behaviour had the probably surprising effect of converting a
156 floating point 2.1/255.0 into an 8-bit 3 rather than the expected
157 2.
158 This may result in slightly different 8 or 16-bit output images.
159
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160 - BI_BITFIELD BMP images were handled incorrectly, both in
161 incorrectly calculating the space required for the masks and in
162 processing the image data itself.
163 https://rt.cpan.org/Ticket/Display.html?id=76736
164
165 - some odd width BMP BI_RLE4 images use run lengths that run one off
166 the edge of the image. Imager now allows this, discarding the
167 extra column.
168
169 - odd length RLE4 runs in BMP images were decoded incorrectly.
170
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171 - pkg-config could sometimes return a library that was in a directory
172 EU::MM / $Config{libpth} doesn't know about, but the compiler did.
173 If no -L is included in the pkg-config library information check if
174 EU::MM can find the library, and if not, search our configured
175 directories and insert that into the library flags.
176 https://rt.cpan.org/Ticket/Display.html?id=75869
177
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178 - Imager::Probe can now probe for libraries with dependent libraries,
179 common for static linking, eg. libpng requires libz.
180 https://rt.cpan.org/Ticket/Display.html?id=74043
181
182 - libpng 1.5 specific probes were looking for libpng 1.4 filenames.
183
184 - added alternative probe configurations that try to link libz, to
185 handle a statically linked libpng.
186 https://rt.cpan.org/Ticket/Display.html?id=74043
187
188 - if a probe includes testcode, Imager::Probe now checks that code as
189 part of the process of checking each configuration rather than as a
190 post test of the found configuration. This allows alternate
191 configurations to be checked if a matching but non-working
192 configuration is found.
193 https://rt.cpan.org/Ticket/Display.html?id=74043
194
9d5ff8a6
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195Other changes:
196
197 - when reading or writing images via callbacks, the default callbacks
198 now push an error message indicating that a required callback was
199 called but not supplied.
200 https://rt.cpan.org/Ticket/Display.html?id=76782
201
202 - clarify which callbacks are required for reading and writing TIFF
203 images.
204
205 - improve logging for creation of callback I/O layers.
206
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207 - a little more documentation for Imager::Probe.
208
594f5933
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209 - the i_get_file_background() and i_get_file_backgroundf() APIs now
210 return int to indicate whether the i_background tag was found.
211
1b46057d
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212 - PNG rework
213 - improve error reporting
214 - add png_interlace, png_bits tags
215 - read paletted images as paletted images, including transparency
216 - read 1 bit greyscale images as a type suitable for other file
217 handlers to write as bilevel
218 - read 16 bit/sample PNG as 16-bit/sample Imager images
219 - write "bilevel" paletted images as 1 bit grayscale images
220 - write paletted images as paletted images
221 - write 16-bit (or higher)/sample images as 16-bit/sample PNG
222 images
223 - improved metadata support
224 https://rt.cpan.org/Ticket/Display.html?id=29268
225
2c1ffb77
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226Imager 0.89 - 18 Mar 2012
227===========
228
229Bug fixes:
230
93eab01e
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231 - getpixel(..., type => "float") and the API i_gpixf() have been
232 broken on paletted images since they were implemented.
233 https://rt.cpan.org/Ticket/Display.html?id=75258
234
2c1ffb77
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235Other changes:
236
61be9694
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237 - links in the METHOD INDEX now point at the method documentation
238 rather than the heading you can find them under.
239 https://rt.cpan.org/Ticket/Display.html?id=71495
240
a5919365
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241 - Imager (and the bundled dynamic modules) no longer fallback to
242 using DynaLoader if loading via XSLoader fails.
243 For the bundled modules this could hide useful error messages.
244 https://rt.cpan.org/Ticket/Display.html?id=75560
245
335078fc
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246 - IM_DEBUG_MALLOC mymalloc() no longer sn?printfs() a string to a
247 buffer in the array of allocations, but just stores the filename
248 pointer and line number.
249 https://rt.cpan.org/Ticket/Display.html?id=70388
250
3f53dd75
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251Imager 0.88 - 22 Feb 2012
252===========
253
43bef43b
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254 - describe how to build libgif etc on OS X in such a way as to be
255 compatible with a fat binary perl (such as the system perl), in
256 README.
257 https://rt.cpan.org/Ticket/Display.html?id=73371
258
69675eef
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259 - update the change notes for 0.77_01 to indicate that libungif
260 support was removed.
261
d4056453
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262 - add some other imaging modules to SEE ALSO
263 https://rt.cpan.org/Ticket/Display.html?id=73906
264
3b7f10da
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265 - note that the generator of the apparently non-DFSG-free postscript
266 in MMOne.pfb is a Debian package.
267
02323e69
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268 - setsamples() is now a true complement to getsamples() - it can
269 write 8-bit or floating point samples from a scalar or array
270 reference. This adds i_psamp() and i_psampf() to the C level API.
271
272 - the XS interfaces to i_gsamp(), i_gsampf() and i_gsamp_bits() have
273 changed to make better use of the typemap, but these aren't part of
274 the perl level API anyway. There were no changes to the C level
275 interfaces to these functions.
276
2a27eeff
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277 - getpixel() and setpixel() now accept a mix of scalar and array
278 references for the x and y parameters, and unequal array lengths is
279 no longer an error.
280 https://rt.cpan.org/Ticket/Display.html?id=73697
281
ef74691a
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282Bug fixes:
283
284 - correctly calculate the size of a rotated image
285 https://rt.cpan.org/Ticket/Display.html?id=69261
286
287 - fix incorrect rounding of color values for matrix_transform() and
288 rotate().
289 https://rt.cpan.org/Ticket/Display.html?id=69261
290
5091168a
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291 - Win32 text output is now done in normal combine mode, the alpha
292 component of the color is now significant.
293 https://rt.cpan.org/Ticket/Display.html?id=70014
294
fa0b1452
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295 - remove long unused gif case from read()
296 https://rt.cpan.org/Ticket/Display.html?id=69244 (partial)
297
7640e3bb
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298 - the getsamples() target parameter was being treated as a hashref
299 when it's meant to be an array reference.
300 https://rt.cpan.org/Ticket/Display.html?id=74882
301
2a27eeff
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302 - getpixel() and setpixel() now returns an empty list when invalid
303 parameters are supplied.
304 Invalid values for type now result in an error for getpixel().
305 https://rt.cpan.org/Ticket/Display.html?id=73697
306
fcc81fa4 307Imager 0.87 - 03 Jan 2012
f0f6c630
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308===========
309
c18dd26e
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310 - document the return value of the filter() method.
311 https://rt.cpan.org/Ticket/Display.html?id=72369
312
48095bd4
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313 - document i_gsamp_bits() and i_psamp_bits().
314 https://rt.cpan.org/Ticket/Display.html?id=68815
315
f5b90025
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316 - properly increment the Imager::Matrix2d $VERSION.
317
35f2f9fb
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318 - actually include the Imager::Test tests in the dist
319
2fe1e4bc
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320 - correctly read and write 256x256 pixel ICO files
321 https://rt.cpan.org/Ticket/Display.html?id=69599
322
4f21e06e
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323 - make the error message from read() or read_multi() when they can't
324 identify the file type match reality.
325 https://rt.cpan.org/Ticket/Display.html?id=72475
326
327 - read() now uses $FORMATGUESS if it can't determine the file type
328 based on the file header, to match read_multi().
329
330 - re-work and add tests for def_guess_type(). def_guess_type() no
331 longer returns any random file extension as the file type.
332
5e9a7fbd
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333 - add gray4, gray16 and gray as presets for make_colors.
334 https://rt.cpan.org/Ticket/Display.html?id=67911
335
336 - add make_palette() method that produces a palette from one or more
337 images.
338
32d74dbe
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339 - fix the Imager dependency for the separately distributed font
340 drivers.
341 https://rt.cpan.org/Ticket/Display.html?id=72643
342
a044f2c6
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343 - fix i_render_color() to properly draw in "normal" mode - ie. when
344 writing to a 1 or 3 channel image the second or fourth channel of
345 the source color was being ignored, it is now significant.
346 https://rt.cpan.org/Ticket/Display.html?id=71564
347
4b2e59d3
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348Imager 0.86 - 31 Oct 2011
349===========
350
b8b889ba
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351 - improve error reporting for W32 tests
352
6f7a49a2
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353Imager 0.85_02 - 24 Oct 2011
354==============
a10ce62e
TC
355
356Bug fixes:
357
358 - eliminate unused i_gif_opts type (clean-up)
359 https://rt.cpan.org/Ticket/Display.html?id=69245
360
98e1552d
TC
361 - fix combine=0 fill color anti-aliasing on the double/sample path
362 https://rt.cpan.org/Ticket/Display.html?id=71309
363
364 - make default text color non-transparent
365 https://rt.cpan.org/Ticket/Display.html?id=71469
366
372ba12c
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367 - apply the last of the Debian unforwarded spelling fixes
368 https://rt.cpan.org/Ticket/Display.html?id=70656
369
b7506a07
TC
370 - the log() method used its message parameter as a C level format
371 string.
372 https://rt.cpan.org/Ticket/Display.html?id=71653
373
cb4d223c
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374 - provide our own STRLEN typemap entry for older perls.
375 https://rt.cpan.org/Ticket/Display.html?id=71641
376
f35d1231
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377 - add extra ppport.h configuration to support older perls.
378
954ac5d1
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379 - depend on Scalar::Util, since we use it and older perls don't have
380 it.
381
5efba0c6
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382 - add overloaded eq to Imager::Matrix2d, since older perls don't seem
383 to synthesize it from overloaded "".
384
73e3ff55
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385 - use T1_StrError() for error messages on modern libt1
386 https://rt.cpan.org/Ticket/Display.html?id=69879
387
388 - actually load the font rather than just adding it to the catalog on
389 creation.
390
391 - Imager::Font->new now produces better error messages for the T1
392 engine.
393
6e938c74
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394 - the font has_chars() method now returns perl's true and false
395 values in list context rather than integers, which should be more
396 efficient.
397 https://rt.cpan.org/Ticket/Display.html?id=69158
398
b934971a
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399 - the btm data structure used by the flood_fill code is now
400 initialized more efficiently.
401 https://rt.cpan.org/Ticket/Display.html?id=68994
402
872def8b
TC
403 - updated the Thanks list in README
404 https://rt.cpan.org/Ticket/Display.html?id=71607
405
1e0418f1
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406 - check there's at least one coefficient for the convolution filter
407 https://rt.cpan.org/Ticket/Display.html?id=68993
408
81409c5e
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409 - make the APIRef synopsis ordering consistent, older versions of
410 perl could order it differently.
411 https://rt.cpan.org/Ticket/Display.html?id=71675
412
336ce474
TC
413 - we rely on Config.pm's d_vsnprintf as to whether we use
414 vsnprintf/snprintf, which is defined in the Win32 Config.pm even
415 though it only has _ prefixed versions of these. Define our own
416 prefixed names on Win32.
417 https://rt.cpan.org/Ticket/Display.html?id=71642
418
ae394c13
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419 - fix library detection with MSVC
420
84e2cc94
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421 - search a few more library directories, so EU::MM doesn't discard
422 them. Hopefully fixes:
423 https://rt.cpan.org/Ticket/Display.html?id=71643
424
31be6e9a 425Imager 0.85_01 - 10 Oct 2011
6d5c85a2 426==============
a7e32beb
TC
427
428 - add simple tests for the Imager::Test test_image generators
429
6d5c85a2
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430 - io_glue I/O buffering re-work:
431
432 - reorganize io_glue to do it's own buffering by default
433
434 - the unbuffered functions are available as i_io_raw_read() (or
435 raw_read() from perl) etc but are not recommended for typical
436 use.
437
438 - use the new i_io_peekn() when checking for file magic to avoid
439 seek, allowing Imager to detect the file type and read the file
440 from an unseekable stream (for formats that don't use random
441 access)
442
443 - added several new I/O layer API functions.
444
445 - fix the TGA performance problem, most noticably on Win32
446 https://rt.cpan.org/Ticket/Display.html?id=70037
447
448 - TIFF now uses wrapper functions of the correct types to avoid casts
449 https://rt.cpan.org/Ticket/Display.html?id=69912
450
451 - the callback IO object did its own buffering, controlled by the
452 maxbuffer parameter supplied to the read() and write() methods.
453 This buffering has been removed, to avoid redundancy with the
454 common io_glue buffering. This also avoids a bug in that code
455 which could rarely pass a zero length to the read callback and
456 then panic about the result.
457
458 - the callback IO object now tests the result of calling the close
459 callback, which should return true for success.
460
461 - the PNM reader did its own buffering. This buffering has been
462 removed to avoid redundancy with the common io_glue buffering.
463
464 - previously the read handlers for fd and callback I/O layers would
465 call the underlying interface (POSIX read or your supplied callback)
466 until it filled the buffer. It now only makes one call.
467
468 - added public constructors for I/O layer objects (see Imager::IO)
469
470 - all core file handlers now use the i_io_foo() wrappers to gain
471 access to buffered I/O rather than calling the I/O layer
472 callbacks directly.
473
474 - all core file handlers now check for error on close.
475
476 - Backward compatibility: if you hava custom file handlers, you can
477 use i_io_write() etc since they're available as macros in older
478 versions of Imager.
479
480 - eliminate the final remnants of io_glue_commit_types().
481
482 - bump IMAGER_API_VERSION, since the above may break assumptions.
483
484 - removed the long unused i_gen_reader() and i_gen_writer() utility
485 functions.
486
0c647c9a 487Imager 0.85 - 29 Aug 2011
6ad7e4bc
TC
488===========
489
0c647c9a
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490The main changes in the release versus 0.84 are:
491
492 - on 64-bit systems, 64-bit types are consistently used for image
493 dimensions and co-ordinated, and for memory block sizes.
494
495 - handle IFD loops in TIFF files correctly. Previously this would
496 lead to an infinite loop.
497
6ad7e4bc
TC
498Bug fixes:
499
500 - fix the link in the getheight() entry in the method index
501
7ef6338c
TC
502Imager 0.84_02 - 22 Aug 2011
503==============
504
505Development release, this will become 0.85 if CPAN testers is
506favourable.
6b7197d0
TC
507
508Bug fixes:
509
510 - the image file limits set by set_file_limits() weren't being
511 checked when reading TIFF files.
512 https://rt.cpan.org/Ticket/Display.html?id=69915
513
5970bd39
TC
514 - Provide more information about file format module load errors on a
515 failed image file read() or write().
516 https://rt.cpan.org/Ticket/Display.html?id=69194
517
4ce3551c
TC
518 - use TIFFReadDirectory() instead of TIFFSetDirectory() to iterate
519 through TIFF images, since it checks for IFD loops.
520 https://rt.cpan.org/Ticket/Display.html?id=69914
521
a16bca6d
TC
522 - don't leak memory when out of range palette indexes are supplied to
523 setscanline().
524 https://rt.cpan.org/Ticket/Display.html?id=69242
525
526 - require a later version of CPAN::Meta to ensure JSON::PP and
527 CPAN::Meta::YAML are available.
528 https://rt.cpan.org/Ticket/Display.html?id=69008
529
ac575c5f
TC
530 - hoist the per-line calculations for the flines implementations, and
531 modernize the tests a bit.
532 https://rt.cpan.org/Ticket/Display.html?id=70126
533
86c8d19a
TC
534 - detect snprintf()/vsnprintf() (cheat by using Config.pm) and use
535 them when available.
536 https://rt.cpan.org/Ticket/Display.html?id=69147
537
a3fd7df7
TC
538 - if t1lib failed to reinitialize it would be left as marked
539 initialized.
540 https://rt.cpan.org/Ticket/Display.html?id=69877
541
5fd542c7
TC
542 - update the bundled (and still modified) Devel::CheckLib
543 https://rt.cpan.org/Ticket/Display.html?id=69170
544
fa61d195
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545Imager 0.84_01 - 8 Aug 2011
546==============
547
548Development release as a sanity check for the types re-work.
8d14daab
TC
549
550Massive types re-work:
551
552 - the type used internally for pixel co-ordinates and image sizes is
553 now 64-bit on 64-bit platforms (at least sane ones).
554
555 - size_t is now used consistently for memory block sizes.
556
557 - since this changes the binary interface, the Imager API version has
558 been incremented. Any module that uses the API will need to be
559 rebuilt. In most cases that will be enough, but calls to any APIs
560 that take a pointer to image sizes may need source changes.
561
562 - you should be able to create very large images on 64-bit systems,
563 if you have enough memory. Successfully created a 32768 x 49192 x
564 3 channel image, filled with a tiled image and scaled it. The
565 unscaled image was also successfully saved to a JPEG.
566
567 - check the image size before attempting to write BMP, GIF, JPEG,
568 PNG, SGI, TGA, TIFF images.
569
570 - correctly handle reading TGA images over 32767 pixels wide or tall.
571
572Incidental changes:
573
574 - the gif_left and gif_top tags are now clamped to non-negative
575 values when writing a GIF image.
576
577 - removed dead callback read/write code
578
579The default maximum memory size when reading files is now 1G.
580
bd80e51e 581Imager 0.84 - 20 Jun 2011
b1e66a82
TC
582===========
583
584 - Imager no longer inherits from Exporter (unless you're running an
585 old, old perl.
586
92e9df65
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587 - Imager can now write progressive JPEGs (it could always read them).
588 https://rt.cpan.org/Ticket/Display.html?id=68691
589
10ea52a3
TC
590Bug fixes:
591
592 - re-work, document and test Imager's logging facility.
593 https://rt.cpan.org/Ticket/Display.html?id=65227
594
4989229f
TC
595 - fix META.yml testing and the generated META.yml
596 https://rt.cpan.org/Ticket/Display.html?id=65235
597
3bcba6df
TC
598 - test and add error reporting to to_*() family methods
599
bfe6ba3f
TC
600 - add to_rgb_double() method.
601 https://rt.cpan.org/Ticket/Display.html?id=65101
602
e1a42e19
TC
603 - Imager no longer exports anything by default
604 https://rt.cpan.org/Ticket/Display.html?id=65228
605
6d068d36
TC
606 - convert colors to grayscale if the supplied (or generated) palette
607 contains only grays when performing error diffusion color
608 translation.
609 https://rt.cpan.org/Ticket/Display.html?id=68508
610
59c150a4
TC
611 - writing a paletted image to GIF wouldn't always use the colors
612 supplied (or generated, eg. via make_colors => "mono"), which was
613 confusing at best.
614 https://rt.cpan.org/Ticket/Display.html?id=67912
615
5b480b14
TC
616 - replace (imager|tony)@imager.perl.org in the doc, since I don't
617 plan to continue receiving mail at that address.
618 https://rt.cpan.org/Ticket/Display.html?id=68591
619
101861e2 620Imager 0.83 - 21 May 2011
46c21d48
TC
621===========
622
623Bug fixes:
624
625 - diag() the error message on failure for some TIFF tests that are
626 failing on a Solaris smoker.
627 http://www.cpantesters.org/cpan/report/6396db1e-8090-11e0-9682-112b785ebe45
628
cd758af2
TC
629Imager 0.82_01 - 17 May 2011
630==============
631
632Dev release, in case the compose tests are too sensitive.
deb1a916
TC
633
634Bug fixes:
635
636 - Imager::Font::T1 incorrectly checked for absolute filename under
637 Win32. Thanks to kmx for the report and fix.
638 https://rt.cpan.org/Ticket/Display.html?id=67963
639
618a3282
TC
640 - compose() with the target, source or mask position off the top or
641 left of the target image didn't clip the source image correctly.
642 https://rt.cpan.org/Ticket/Display.html?id=67220
643
644 - compose() now returns a useful error message on a non-positive
645 opacity.
646
647 - compose.im now at 100% test coverage. (As opposed to, umm, much,
648 much less.)
649
c1d16c8f 650Imager 0.82 - 14 Mar 2011
2368cfec
TC
651===========
652
653Bug fixes:
654
655 - eliminate calls to i_has_format() from the test suite, since it's
656 no longer a useful way to check for file format support. Eliminate
657 i_has_format() from the functions exposed via XS.
658 https://rt.cpan.org/Ticket/Display.html?id=65863
659
7540f84a
TC
660 - eliminate calls to note(), which isn't in the (very old) version of
661 Test::More we have as a pre-requisite. note() is modern enough
662 that I don't feel a need to require a Test::More upgrade for it.
663 https://rt.cpan.org/Ticket/Display.html?id=65864
664
81984f30
TC
665 - skip the threads tests on Test::More 2.00_*
666 https://rt.cpan.org/Ticket/Display.html?id=65812
667
57fc3f48
TC
668 - add an (unshipped) test to check Imager's internal POD links
669 https://rt.cpan.org/Ticket/Display.html?id=65749
670
d97c8dbd
TC
671 - improve the library detection summary
672 https://rt.cpan.org/Ticket/Display.html?id=9675
673
c901f27d
TC
674 - increase the version of Imager::Font::Type1 so that upgrades don't
675 downgrade the version in this file.
676 https://rt.cpan.org/Ticket/Display.html?id=66250
677
678 - if we see an -rpath (or -R) option in $Config{lddlflags} supply
679 that option for the directories that would normally go in
680 LD_RUN_PATH. Typically an explicit -rpath overrides LD_RUN_PATH.
681 https://rt.cpan.org/Ticket/Display.html?id=65955
682
533bab3e 683Imager 0.81 - 14 Feb 2011
416e9814
TC
684===========
685
686 - added coverage tests for masked images (maskimg.c @100% test coverage)
687
9ea78101
TC
688 - add hsv() method to Imager::Color
689 Thanks to Leolo (Philip Gwyn)
690 https://rt.cpan.org/Ticket/Display.html?id=65385
691
1f289f50
TC
692 - split libt1 Type 1 font support into a sub-module
693 https://rt.cpan.org/Ticket/Display.html?id=49616 (partial)
694
2c331f9f
TC
695 - add a preload() class method for use in forking servers, and to
696 work around limitations in PAR.
697 https://rt.cpan.org/Ticket/Display.html?id=65665
698
416e9814
TC
699Bug fixes:
700
701 - paletted writes to a masked image are now masked correctly.
702 Revealed by new coverage tests.
703
130225b1
TC
704 - update the filter plugin documentation.
705 https://rt.cpan.org/Ticket/Display.html?id=56513
706
4326b23a 707 - add the matrix() method to Imager::Matrix2d to allow creation of a
a34dc54c
TC
708 matrix with specified co-efficients. You can now multiple an
709 Imager::Matrix2d object by a 9 element array ref or a number.
4326b23a
TC
710 https://rt.cpan.org/Ticket/Display.html?id=29938
711
9ea78101
TC
712 - really fix loading TTF fonts with FT2 when FT1 isn't available.
713 Thanks to Leolo (Philip Gwyn)
714 https://rt.cpan.org/Ticket/Display.html?id=65386
715 https://rt.cpan.org/Ticket/Display.html?id=62855
716
40e78f96
TC
717 - make sure each test script that needs testout/ creates it.
718 https://rt.cpan.org/Ticket/Display.html?id=65088
719
afee75f6
TC
720 - handle a slightly different warning from libtiff 4.x
721 https://rt.cpan.org/Ticket/Display.html?id=65268
722
52b0d318
TC
723 - the sat transform2() op returned an incorrect saturation.
724 https://rt.cpan.org/Ticket/Display.html?id=65391
725
d33f20c1 726Imager 0.80 - 17 Jan 2011
95c08d71
TC
727===========
728
9a5df694
TC
729 - added coverage tests for Imager::Fountain and Imager::Color::Float
730
731 - Imager is now maintained in git
732 http://git.imager.perl.org/imager.git
733 git://git.imager.perl.org/imager.git
734
95c08d71
TC
735Bug fixes:
736
737 - images with an translucent alpha channel were not scaled correctly
738 by the default (qtype=normal) scaling method.
739 https://rt.cpan.org/Public/Bug/Display.html?id=63922
740
34c03f04
TC
741 - Imager::Color::Float now translates "#FFFFFF" to white instead of
742 just a little darker.
743
9a5df694
TC
744 - make the default color map build algorithm "mediancut". This
745 changes the default color map builder for writing GIFs back to what
746 it was in 0.77, reverting a performance regression.
0348fe07
TC
747 https://rt.cpan.org/Ticket/Display.html?id=64785
748
416e9814
TC
749 - handle failure to create a masked image correctly
750
95c08d71 751Imager 0.79 - 10 Dec 2010
62869327
TC
752===========
753
754 - add Imager::Test to the POD coverage tests and document the missing
755 functions.
756
2a2c791f
TC
757 - the convert() method now optimizes the case where all output
758 channels are either 0, sourced from a single input channel or 1.
759 This significantly speeds up presets like "addalpha", "green".
760 https://rt.cpan.org/Ticket/Display.html?id=51254
761
b5c0ab7f
TC
762 - add wiggle.pl sample, as suggested by Dan Oppenheim.
763
b47464c1
TC
764 - add the combine() method to combine channels from multiple source
765 images into a new image
766 https://rt.cpan.org/Ticket/Display.html?id=11872
767
62869327
TC
768Bug fixes:
769
770 - treat the co-efficients for convert() as doubles instead of floats.
771
d67dd866
TC
772 - If a higher (earlier) priority font handler failed to load, that
773 would crash preventing loading of later font handlers.
9413a3f3
TC
774 https://rt.cpan.org/Ticket/Display.html?id=62855
775
a9120a5e
TC
776 - parse defines from the options returned by pkg-config --cflags
777 https://rt.cpan.org/Ticket/Display.html?id=63223
02f040a6
TC
778
779 - a regen of the MANIFEST revealed that GIF and FT2 tests weren't
780 included in the tarball. They are now included.
a9120a5e 781
893474f1 782Imager 0.78 - 4 Oct 2010
f5b4354e
TC
783===========
784
785Bug fixes:
786
787 - don't access deprecated members of the png_structp.
788 https://rt.cpan.org/Ticket/Display.html?id=60242
789
8289f78b
TC
790 - document that using color objects is faster than supplying colors
791 by name, etc.
792 https://rt.cpan.org/Ticket/Display.html?id=61047
793
0c3c1180
TC
794 - Imager::Probe now accepts array references for incpath and libpath.
795 https://rt.cpan.org/Ticket/Display.html?id=60244
796
b6035795 797Imager 0.77_02 - 27 Sep 2010
aca4e30a
TC
798==============
799
95b9922f 800 - moved Win32, FreeType 2 font support into sub-modules.
aca4e30a
TC
801 https://rt.cpan.org/Ticket/Display.html?id=49616 (partial)
802 Uses Imager::Probe now.
803 https://rt.cpan.org/Public/Bug/Display.html?id=61328
804
c6683e4d
TC
805 - tested successfully with jpeg-8b
806 https://rt.cpan.org/Ticket/Display.html?id=60221
807
e85532b9
TC
808Bug fixes:
809
810 - from _01: look for missing file support test files in the right
811 places.
812
353eb6e7
TC
813 - flood_fill() wouldn't fill the right side of a single scan-line
814 fill area.
815 Thanks to Nicolas Roggli for reporting this.
816
95b9922f
TC
817 - flood_fill wouldn't fill to the left edge of the image if the
818 starting line didn't reach the left edge.
819 Thanks to Nicolas Roggli for reporting this.
820
beb9ba23
TC
821Imager 0.77_01 - 13 Sep 2010
822==============
82f14556
TC
823
824 - add each library-directory/pkgconfig/ to the pkg-config search path
825 in Imager::Probe.
826 Thanks to Justin Davis.
827 https://rt.cpan.org/Ticket/Display.html?id=60491
828
8ab27e7e
TC
829 - moved GIF, TIFF, JPEG file handling code into sub-modules in
830 preparation for separate distribution.
ec6d8908
TC
831 https://rt.cpan.org/Ticket/Display.html?id=49616 (partial)
832
69675eef
TC
833 Note: this removed support for libungif from Imager.
834
173c91ba
TC
835 - optimize filled box drawing (color, not fill)
836
82f14556
TC
837Bug fixes:
838
839 - Imager::Probe was calling ExtUtils::Liblist to initialize
840 LD_RUN_PATH supplying an undefined value rather than the found
841 directory. Thanks to Justin Davis.
842 https://rt.cpan.org/Ticket/Display.html?id=60491
843
b851aeeb
TC
844 - only prepend ./ to font filenames when passing them to T1Lib and
845 then only when it would use its search mechanisms.
846 https://rt.cpan.org/Ticket/Display.html?id=60509
847
173c91ba 848 - fix the cache check for the X rgb.txt loader. This is typically
cb4f51d6
TC
849 used for color translation on Unix-like systems, and the fix
850 improves performance of supplying colors by name by about 80 times.
851 Test code that managed 3400 10x10 pixel boxes/second sped up to
852 25700 boxes/second.
b851aeeb 853
d3a96113
TC
854 - clarify that Imager doesn't write EXIF metadata to images.
855 https://rt.cpan.org/Ticket/Display.html?id=60637
856
857 - Imager::Probe can now search subdirectories under its include path.
858 Used by the PNG Makefile.PL to find headers and libraries when they
859 aren't in the base directory, as in cygwin.
860 https://rt.cpan.org/Ticket/Display.html?id=60635
861
43452432
TC
862Imager 0.77 - 11 Aug 2010
863===========
864
865I don't want Imager::File::PNG indexed as part of Imager, but forgot
866to update the META.yml before updating the version.
867
868 - don't index Imager::File::PNG as part of Imager
869
870 - add resources to META.yml
871
872Imager 0.76 - not released
120f4287
TC
873===========
874
875Bug fixes:
876
877 - the align_string() method would ignore a string of "0" due to a
878 mis-use of C< ||= >.
879 Thanks to Maurice Height for reporting this.
880 https://rt.cpan.org/Ticket/Display.html?id=60199
881
0e66b07f
TC
882Imager 0.75_03 - 09 Aug 2010
883==============
884
885Bug fixes:
886
887 - read_types() and write_types() would include png when it wasn't
888 available due to a problem with the %formats tie
889
890 - handle dependent libraries correctly (eg -lpng requiring -lz) in
891 the code run phase of library probing.
892
7ac2e52e
TC
893Imager 0.75_02 - 07 Aug 2010
894==============
895
896Bug fixes:
897
898 - add file missing from MANIFEST, which was causing TIFF failures.
899
496ea64d
TC
900Imager 0.75_01 - 06 Aug 2010
901==============
902
903Test release for the new PNG probe.
75812841 904
a596d4f6
TC
905 - added the ability to read multiple-image PNM files.
906 Note that unlike the pbm/pgm/ppm specification this accepts mixed
907 format files and allows white space padding between files.
908 Thanks to Philip Gwyn (Leolo) for this patch.
909
1d7e3124
TC
910 - moved the PNG file handling code into a sub-module in preparation
911 for separate distribution.
912 https://rt.cpan.org/Ticket/Display.html?id=49616 (partial)
913 Also helps avoid complications from -I/-L compile/link options from
914 other libraries.
915
75812841
TC
916Bugs:
917
918 - Imager->new(data => $data) didn't try to process image file data in
919 $data
920 https://rt.cpan.org/Ticket/Display.html?id=58761
921
b6071a43
TC
922 - t/t50basicoo.t no longer depends on the other tests to generate its
923 input files.
924 https://rt.cpan.org/Ticket/Display.html?id=9798
925 Also, it wasn't testing pnm (pnm vs ppm mix-up)
926
a9da425a
TC
927 - update the documentation of hardinvert to match the change in 0.62.
928 https://rt.cpan.org/Ticket/Display.html?id=59785
929
5558f899
TC
930 - added hardinvertall filter which also inverts the alpha channel
931 (sorry for the mess)
932
10b85929
TC
933 - when probing for TIFF, set LD_RUN_PATH just as the Makefile does so
934 the probe can find the library for the test run.
935 https://rt.cpan.org/Ticket/Display.html?id=57518
936
75812841 937Imager 0.75 - 20 Jun 2010
b13a3ddb
TC
938===========
939
940 - use PERL_NO_GET_CONTEXT to slightly improve performance on threaded
941 perls (not measured)
942
46e2e4a3
TC
943Bugs:
944
8c194049
TC
945 - an opacity fill based on a fountain fill would segfault when
946 filling an 8-bit/sample image.
947
1c5252ed
TC
948 - merge thickline branch polygon fix
949 https://rt.cpan.org/Ticket/Display.html?id=43518
950
41c88ecd 951Imager 0.74 - 7 May 2010
8d46e5da
TC
952===========
953
954Bug fixes:
955
956 - read_multi() didn't handle a missing file format library correctly,
957 aborting on failing to call i_readgif_multi_wiol() or
958 i_readtiff_multi_wiol().
959
5715f7c3
TC
960 - fix spelling errors patched by Debian
961 http://svn.debian.org/viewsvn/pkg-perl/trunk/libimager-perl/debian/patches/spelling.patch?revision=54839&view=markup
962
963 - add an (unshipped) author test to spellcheck Imager's POD.
7468f3fa 964
38218f79
TC
965 - update the TIFF file format documentation
966 https://rt.cpan.org/Ticket/Display.html?id=56510
967
e17da819
TC
968 - lib/Imager/IO.pod was written almost 4 years ago but never shipped.
969
704f12d5 970Imager 0.73 - 15 Mar 2010
40068b33
TC
971===========
972
973 - implement outline circles, both anti-aliased and not
974 https://rt.cpan.org/Ticket/Display.html?id=19755
975
e958b64e
TC
976 - a combine => "none" fill to a 1 or 3 channel image would produce
977 the incorrect colour.
978
b2db3662
TC
979Imager 0.72 - 09 Dec 2009
980===========
981
982Bump version for release, since 0.71_03 is stable with CPAN testers.
983
6936706b
TC
984Imager 0.71_03 - 5 Dec 2009
985==============
986
987 - further adjust the threads test so it only performs the tests on
988 perls where it's expected to work, and only if the threads module
989 can be loaded.
990
0750777c
TC
991Imager 0.71_02 - 1 Dec 2009
992==============
993
48ad0e66
TC
994 - adjust the way we load the threads module for the threads test so
995 it works with non-threaded perls
0750777c 996
b89f0fcd 997Imager 0.71_01 - 30 Nov 2009
e41cfe8f
TC
998===========
999
1000Bug fixes:
1001
1002 - use scanline oriented operations to flip images instead of pixel
1003 operations
1004 https://rt.cpan.org/Ticket/Display.html?id=39278
1005
1006 - use double/sample operations to flip large sample images instead of
1007 8-bit sample operations.
1008 https://rt.cpan.org/Ticket/Display.html?id=39280
1009
de3ca2fd
TC
1010 - fix POD nits
1011 https://rt.cpan.org/Ticket/Display.html?id=51874
1012
ffddd407
TC
1013 - prevent double-frees when someone creates Imager objects and then
1014 creates a thread. Note: this just handles some simple cases,
1015 Imager doesn't support perl threads, and isn't likely to.
1016 https://rt.cpan.org/Ticket/Display.html?id=52268
1017
3517794b 1018Imager 0.71 - 16 Nov 2009
6a3cbaef
TC
1019===========
1020
a16bae72
TC
1021 - add the opacity fill type - an adaptor that modifies the opacity of
1022 another fill.
1023
6a3cbaef
TC
1024Bug fixes:
1025
1026 - the conv filter now enforces that the sum of the coefficients is
1027 non-zero. Also, rather than skipping pixels off the edge off the
1028 edge of the image, the closest edge pixel is used. Previously
1029 dividing by the zero sum of coefficients could cause invalid
1030 results or runtime exceptions.
1031 Thanks to David Cantrell's Alpha-NetBSD CPAN test box for revealing
1032 this bug.
1033
189d5775 1034Imager 0.70 - 21 Sep 2009
2b82e731
TC
1035===========
1036
1037Bug fixes:
1038
1039 - release image row and comments memory on all error returns in gif
1040 reader
1041
1042 - handle zero length extensions, previously this would cause a null
1043 pointer dereference
1044 Thanks to Krzysztof Wojtaƛ for the test data and fix for this.
1045
b3afeed5
TC
1046 - an integer division meant that preview scaling to below 1 pixel
1047 wide or high (which isn't too useful anyway) was calculating using
1048 NaNs on most platforms, and causing an exception on others.
1049 Thanks to David Cantrell for producing a backtrace of the crash on
1050 his Alpha-NetBSD CPAN test box which made it possible to track this
1051 down.
1052
b1e29946 1053Imager 0.69 - 08 Sep 2009
25f4e775
TC
1054===========
1055
b1e29946 1056Bug fixes:
25f4e775
TC
1057
1058 - broken test fix - was attempting to call a function skip_all, when
1059 that should be a parameter to plan().
1060
b1e29946
TC
1061 - briefly document apidocs.perl, the tool used to build
1062 Imager::APIRef and make some minor enhancements
1063
1064 - various minor documentation enhancements and fixes.
1065
5920304a 1066Imager 0.68 - 07 Sep 2009
c5f447ac
TC
1067===========
1068
3c252111
TC
1069 - Imager->new(file => $filename) and other similar incantations will
1070 load the given file.
1071 https://rt.cpan.org/Ticket/Display.html?id=48261
1072
c5f447ac
TC
1073Bug fixes:
1074
1075 - avoid using CHECK as a label in Imager::Test
1076 http://nntp.x.perl.org/group/perl.cpan.testers/5220921
1077
0d670555
TC
1078 - re-work most image file test files that require a library into
1079 separate library present/not present files to remove stupidly long
1080 conditionals
1081
1082 - don't treat rubthrough() outside the bounds of the target image as
1083 an error.
1084 http://nntp.x.perl.org/group/perl.cpan.testers/5185716
1085
8d800216
TC
1086Imager 0.67_01 - 02 Sep 2009
1087==============
500888da
TC
1088
1089Bug fixes:
1090
1091 - correct documentation of default of raw image interleave read
1092 parameter
1093 https://rt.cpan.org/Ticket/Display.html?id=42074
1094
1095 - add raw_ prefix to raw read parameters, though the original names
1096 still work.
1097
1098 - fail the read if an invalid raw_interleave parameter is supplied
1099
1100 - warn if no interleave or raw_interleave parameter is supplied,
1101 since the documented default was wrong, and incompatible with the
1102 write format
1103
1104 - for reading raw images, if raw_storechannels > raw_datachannels,
1105 set the extra channels in the image to 0
1106
cd476e58
TC
1107 - when probing for executables like freetype-config, search for .bat
1108 and .cmd on MSWin32, as well as .exe.
1109 https://rt.cpan.org/Ticket/Display.html?id=49275
500888da 1110
f9a39263
TC
1111 - re-work the external libraries section of README:
1112 - list Debian and Redhat package names for each library
1113 - reformatting
1114 - update URLs
1115
f45b774f
TC
1116 - use the new EU::MM META_MERGE facility instead of generating
1117 META.yml from scratch
1118 https://rt.cpan.org/Ticket/Display.html?id=47888
1119
d6b51d8c
TC
1120 - use Devel::CheckLib (bundled, modified) to check which release of
1121 libtiff is installed and reject 3.9.0
78645bd4
TC
1122 http://bugzilla.maptools.org/show_bug.cgi?id=2088
1123 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=543079
d6b51d8c 1124
249af030
TC
1125Imager 0.67 - 12 Dec 2008
1126===========
1127
1128Bug fixes:
1129
1130 - fix a packaging error
1131
cca21862 1132Imager 0.66 - 12 Dec 2008
3c8fee33
TC
1133===========
1134
6b22ba84
TC
1135 - 24-bit color .ICO/.CUR files can now be read.
1136
3c8fee33
TC
1137Bug fixes:
1138
6b22ba84
TC
1139 - an optimization skipping 0 src alpha values could cause the
1140 rubthrough() to read past the end of a buffer.
1141 http://www.nntp.perl.org/group/perl.cpan.testers/2008/05/msg1509184.html
1142
5c0d0ddf
TC
1143 - corrected a reference leak where writing GIFs would leak memory.
1144 This could also happen calling to_paletted().
1145 Also documented the underlying long existing feature where the
1146 colors parameter is filled with the generated color table and added
1147 tests for it.
3c8fee33
TC
1148 http://rt.cpan.org/Ticket/Display.html?id=41028
1149
8e7f5809
TC
1150 - write out the image size in bytes field of a BMP correctly.
1151 http://rt.cpan.org/Ticket/Display.html?id=41406
1152
c586eb58
TC
1153 - add limited tests for Imager::ExtUtils
1154
1155 - make Imager::ExtUtils->includes use an absolute path, since
1156 a relative path could cause failures using Inline::C.
1157 http://rt.cpan.org/Ticket/Display.html?id=37353
1158
6b22ba84
TC
1159 - re-arrange the POD for Imager::Font::BBox:
1160 - mark total_width(), pos_width(), end_offset() obsolete, since
1161 they're mostly for backwards compatibility
1162 - group width methods and height methods
1163 https://rt.cpan.org/Ticket/Display.html?id=39999
17d9fe35 1164
0727e3f5 1165Imager 0.65 - 20 May 2008
546ea21c
TC
1166===========
1167
1168Bug fixes:
1169
1170 - In some cases when an error occurs reading those parts of a JPEG
1171 file after the image the scan-line buffer could be freed a second
1172 time. In cases where the the error occured while reading the image
1173 data it's possible that the buffer could have leaked.
1174 Thanks to Gabriel Vasseur for reporting this and help in tracking
1175 it down.
1176
43b2b326
TC
1177 - the gif_screen_height tag was overriding the screen width and being
1178 ignored for the screen height when present.
1179 https://rt.cpan.org/Public/Bug/Display.html?id=35568
1180
e02d22d2 1181Imager 0.64 - 23 April 2008
de470892
TC
1182===========
1183
e02d22d2
TC
1184This is a bug fix release. This includes a fix for a possible
1185security issue.
1186
de470892
TC
1187Bug fixes:
1188
e02d22d2
TC
1189 - Possible security issue: The floating point sample path for image
1190 based fills had a buffer overflow. This would overwrite the end of
1191 a malloc()ed buffer with double precision floats.
1192 http://rt.cpan.org/Ticket/Display.html?id=35324
6912d85a 1193 CVE-2008-1928
e02d22d2 1194
de470892
TC
1195 - check that the result of fileno($fh) is defined rather than simply
1196 true when read() or write() is supplied with an fh parameter.
1197 http://rt.cpan.org/Ticket/Display.html?id=35139
1198
1199 - i_scale_axis() wasn't checking the result of i_img_new_ch()
1200 resulting in a SIGSEGV when attempting to scale an image to a size
1201 too large to fit in memory. This is a NULL pointer access issue,
1202 not a buffer overflow.
1203 Added a check for the failure.
1204 scale_calculate() (and hence scale()) will now fail if any of the
1205 scale size parameters are a reference.
1206 http://rt.cpan.org/Ticket/Display.html?id=35172
1207
04f85f63
TC
1208 - Regression: filling a greyscale image with a hatch used the wrong
1209 color channels from the supplied fg/bg colors.
1210 https://rt.cpan.org/Ticket/Display.html?id=35278
1211
a256aec5
TC
1212 - fixed a related problem for image fills.
1213
49240201 1214Imager 0.63 - 7 April 2008
33b0ffa6
TC
1215===========
1216
242d7497
TC
1217This release primarily contains changes to improve ease of use -
1218rather than you having to convert images to the appropriate number of
1219channels, Imager handles it internally. How to handle drawing colors
1220and the default combine mode is a thornier problem left for some other
1221release.
1222
d1555273
TC
1223 - the font libraries are now only initialized when needed.
1224 http://rt.cpan.org/Ticket/Display.html?id=28825
1225
9b1ec2b8
TC
1226 - moved the imtoc.perl code into Imager::Preprocess
1227
1228 - paste() and rubthrough() now adapt the source image data to the
1229 destination, so you can now safely paste/rubthrough from greyscale
1230 images to color images or back, or from alpha channel images to
1231 noalpha channels or back.
1232 https://rt.cpan.org/Ticket/Display.html?id=30908
1233
1234 - rubthrough() now falls back to pasting when the source doesn't have
1235 an alpha channel. This effectively treats the source as having a
1236 max alpha channel, the right thing to do.
1237 http://rt.cpan.org/Ticket/Display.html?id=29944
1238
1239 - re-worked most of the area filling code to use a common set of
1240 functions when filling.
1241 Corrected normal combine mode.
1242 Rewrote most of the combine modes to match the way the SVG draft
1243 defines them with respect to a translucent source and destination.
1244 Added tests for translucent source and destination.
1245 Added tests to check 8-bit/sample and double/sample combines work
1246 similarly.
1247 https://rt.cpan.org/Ticket/Display.html?id=29879
1248
07d9c639
TC
1249 - writing a 2 or 4 channel image to a JPEG file will now write that
1250 image as if composited against a background, black by default,
1251 overridable with the i_background tag/parameter.
6e4af7d4
TC
1252 https://rt.cpan.org/Ticket/Display.html?id=29876
1253
07d9c639
TC
1254 - writing a 2 or 4 channel image to a PGM/PPM file will now write
1255 that image as if composited against a background, black by default,
fa90de94
TC
1256 overridable with the i_background tag/parameter.
1257 http://rt.cpan.org/Ticket/Display.html?id=30074
1258
07d9c639
TC
1259 - writing a 2 or 4 channel image to a BMP file will now write that
1260 image as if composited against a background, black by default,
1261 overridable with the i_background tag/parameter.
1262 http://rt.cpan.org/Ticket/Display.html?id=30075
1263
33b0ffa6
TC
1264Bug fixes:
1265
1266 - Imager::Matrix2d->translate() now only requires one of the x or y
1267 parameters.
1268 http://rt.cpan.org/Ticket/Display.html?id=29937
1269
2757bad0
TC
1270 - mixing qtype scaling now sets all channels of a pixel to zero if
1271 the pixel has zero coverage (zero alpha). This should produce more
1272 compressible output files.
1273 http://rt.cpan.org/Ticket/Display.html?id=32324
1274
3da08517
TC
1275 - removed the pointless #! line from lib/Imager/Font/Wrap.pm
1276 Noticed when I saw:
1277 https://bugzilla.redhat.com/show_bug.cgi?id=166254
1278 I'm not changing the #! lines of the sample code, since it's sample
1279 code, not intended for installation.
1280 http://rt.cpan.org/Ticket/Display.html?id=33408
1281
242d7497
TC
1282 - some TGA images weren't being detected correctly as TGA images
1283 https://rt.cpan.org/Ticket/Display.html?id=32925
1284
1285 - handling of the left-over bit for 16-bit/pixel TGA images has been
1286 changed to match the behaviour of the GIMP. Previously the bit
1287 being set was treated as an opaque pixel, but one user reported a
1288 problem with loading such an image. I haven't been able to find any
1289 tools beyond the GIMP that handle alpha-channel 16-bit TGAs, so
1290 I'll match it's behaviour. See issue 114913 in the GIMP's
1291 bugzilla.
1292 http://rt.cpan.org/Ticket/Display.html?id=32926
1293
5daa9d34 1294Imager 0.62 - 10 December 2007
ac8138b0
TC
1295===========
1296
d8e0c3ba
TC
1297 - Makefile.PL now expands ~/path supplied to --incpath or --libpath
1298 to /path under your home directory.
1299 http://rt.cpan.org/Ticket/Display.html?id=29484
1300
50ff958e
TC
1301 - the old dynaload code used Mach API functions to load dynamic
1302 libraries on Mac OS X. These APIs have been deprecated in OS X
1303 10.5 and were causing some build problems.
1304 So henceforth Imager uses the dlopen() family of functions, and you
1305 will need version 10.3 or later of OS X.
1306
3309187a
TC
1307 - added the det() function to the transform2() engine.
1308 added the sample quad_to_square.pl
1309 Courtesy Richard Fairhurst.
1310 http://rt.cpan.org/Ticket/Display.html?id=31244
1311
ac8138b0
TC
1312Bug fixes:
1313
1314 - samples/gifscale.pl sourced the base value for gif_top from
1315 gif_left.
1316 Thanks to Eleneldil G. Arilou for pointing this out.
1317
678a9a65
TC
1318 - t/t82inline.t no longer loads B at runtime, to work around a bug
1319 in some 5.005_0[45] installations.
1320 http://rt.cpan.org/Ticket/Display.html?id=30508
1321
1322 - work around Module::Depends::Intrusive bug #21229
1323 http://rt.cpan.org/Ticket/Display.html?id=30520
ac8138b0 1324
bea65b1f
TC
1325 - the hardinvert filter no-longer inverts the alpha channel.
1326 http://rt.cpan.org/Ticket/Display.html?id=30002
1327
1328 - the hardinvert filter now supports large samples
1329
b7809486 1330Imager 0.61_02 - 28 November 2007
f74e6efc 1331==============
874c55db 1332
bd8052a6
TC
1333 - major TIFF support re-work
1334 http://rt.cpan.org/Ticket/Display.html?id=20329
1335
1336 - added a C level image interface for accessing samples from 1-32
1337 bits, exposed this at the perl level in getsamples()
1338
1339 - the conv filter now works at floating point precision for high bit
1340 images
1341
1342 - added is_bilevel method to test whether an image should be written as
1343 a bilevel image if the image format supports it.
1344
1345 - added -log-stderr as an Imager import list option
1346
1347 - added some important types to Imager::APIRef
1348
1349 - added test_image_double() to Imager::Test
1350
874c55db
TC
1351Bug fixes:
1352
1353 - Imager::Fountain couldn't read GIMP gradient files with 10 or more
1354 segments
1355
1356 - the scale() method with qtype mixing now handles images with an
1357 alpha channel correctly.
1358
8d17eae9
TC
1359 - fixed a broken link from the "animated GIF" entry in the concept index.
1360 Thanks to Slaven Rezic.
1361 http://rt.cpan.org/Ticket/Display.html?id=30889
1362
d3bf4eaf
TC
1363 - on some perl's the infix expression parser test would fail due to
1364 actions in the grammar returning false. Made sure all actions return
1365 a true value.
8b96ad6b
TC
1366 Thanks to Richard Fairhurst for spending a lot of time in tracking
1367 down this problem.
680c329d 1368 http://rt.cpan.org/Public/Bug/Display.html?id=29562
d3bf4eaf 1369
d06f6707 1370Imager 0.61 - 5 November 2007
1cfa190e
TC
1371===========
1372
1373 - added samples/gifscale.pl, which adjusts the screen size/position tags
1374 when scaling an animated gif
1375 http://rt.cpan.org/Ticket/Display.html?id=27591
1376
8a2cd317
TC
1377Bug fixes:
1378
e7ac18bd
TC
1379 - correct handling of sz in matrix_transform() - this should allow
1380 perspective type transformations to work now.
1381 http://rt.cpan.org/Ticket/Display.html?id=29936
1382
8a2cd317
TC
1383 - prevent a cast to integer warning on x64 builds in datatypes.c
1384 also fixed some other type warnings
1385 https://rt.cpan.org/Ticket/Display.html?id=30204
1386
9188b23e
TC
1387 - some sub-directory tests depended on files produced by the parent
1388 directory tests
1389 http://rt.cpan.org/Ticket/Display.html?id=30203
1390
7febff1d
TC
1391 - Imager::Font::Wrap doesn't correctly set savepos
1392 thanks to Nikita Dedik and Eleneldil G. Arilou for reporting this.
1393 http://rt.cpan.org/Ticket/Display.html?id=29771
1394
76411e99
TC
1395 - test 171 in t/t01introvert.t was failing on perls configured to
1396 use long double.
1397 http://rt.cpan.org/Ticket/Display.html?id=29413
1398
3f29de50
TC
1399 - the code for the transform2() uminus operator was missing a break.
1400 Added tests for better code coverage of the ops.
1401 http://rt.cpan.org/Ticket/Display.html?id=29296
1402
ed107438
TC
1403 - the SGI RLE compression code could overflow its compression buffer
1404 http://rt.cpan.org/Ticket/Display.html?id=30334
1405
1406 - the 32-bit output function used by the SGI code only handled values
1407 under 0x10000. This was most noticable when writing large RLE images.
1408 http://rt.cpan.org/Ticket/Display.html?id=30335
1409
c7481ae1
TC
1410 - validate chan_count for chans == NULL for each of the i_gsamp()
1411 implementations.
1412 http://rt.cpan.org/Ticket/Display.html?id=28985
1413
ff37fc3f
TC
1414 - attempt to work around the test failure at
1415 http://www.nntp.perl.org/group/perl.cpan.testers/2007/09/msg650810.html
1416 http://rt.cpan.org/Ticket/Display.html?id=29562
1417
f245645a
TC
1418 - improve the error messages produced when attempting to read or write
1419 an unknown image file format.
1420 http://rt.cpan.org/Ticket/Display.html?id=30103
1421
333d7485
TC
1422 - improve the transform2() documentation
1423 http://rt.cpan.org/Ticket/Display.html?id=29267
1424
3b115720
TC
1425 - correctly generate the author key in META.yml
1426 http://rt.cpan.org/Ticket/Display.html?id=30377
1427
13c9a303
TC
1428 - correctly blend a rotated (or matrix_transformed()) image when
1429 performing interpolation in the presence of an alpha channel.
8a071022
TC
1430 Also corrected the centring of the rotated image on the output
1431 image.
13c9a303 1432
0e622083 1433Imager 0.60 - 30 August 2007
bcff4dd9
TC
1434===========
1435
d5477d3d
TC
1436 - Finished/rewrote Arnar's old SGI RGB file format support, so Imager
1437 now has full SGI RGB image format, including RLE and 16-bit/sample
1438 images.
1439 https://rt.cpan.org/Ticket/Display.html?id=8666
1440
1441 - logging functions are now available in the API
1442
a60905e4
TC
1443 - applied Gabriel Vasseur's patch
1444 added documentation, further tests, and support for greyscale images
1445 Obviously problems are my fault :)
1446 https://rt.cpan.org/Ticket/Display.html?id=28142
1447
413dc198
TC
1448 - the mask for ICO/CUR images is now applied as an alpha channel to
1449 the returned image. For the old behaviour, supply ico_masked => 0
1450 to read() or read_multi(). This should be less confusing when
1451 using Imager as a general image processor.
1452 https://rt.cpan.org/Ticket/Display.html?id=29001
1453
bcff4dd9
TC
1454Bug fixes:
1455
1456 - in some cases it's possible for giflib/libungif to return color
1457 indexes outside the range of colors defined by the image's palette.
1458 We now expand the palette to match the indexes used.
1459 Thanks to Gabriel Vasseur for reporting this.
1460
02576e8d
TC
1461 - fixed various memory leaks that could occur when failing to read png,
1462 jpeg, bmp or tga files.
1463
b3aa972f
TC
1464 - to avoid confusion, channels not present in the image are returned as
1465 zero by getscanline(). This has no effect on the C level i_glin()
1466 and i_glinf() API functions which continue to not set the unused
1467 channels.
1468
d5477d3d
TC
1469 - the convert() method now returns an image of the same sample size as
1470 the source image.
1471 https://rt.cpan.org/Ticket/Display.html?id=28492
1472
baa880ef
TC
1473 - remove repeated text in Imager::Files
1474 http://rt.cpan.org/Ticket/Display.html?id=27589
1475
1476 - be even more explicit that scale() and friends don't modify the source
1477 image, but return a new image.
1478 http://rt.cpan.org/Ticket/Display.html?id=28570
1479
0561d49c
TC
1480 - improve the error message from errstr() when you try to load a font
1481 for which the driver hasn't been built in Imager.
1482 http://rt.cpan.org/Ticket/Display.html?id=27571
1483
d8a39ce0
TC
1484 - transparency is now enabled by default when writing GIF images
1485 http://rt.cpan.org/Ticket/Display.html?id=27615
1486
5730d6e7
TC
1487 - Imager would not load on Windows 98
1488 http://rt.cpan.org/Ticket/Display.html?id=27653
1489
b4996113 1490Imager 0.59 - 14 June 2007
e6e94ab0
TC
1491===========
1492
1493Bug fixes:
1494
1495 - fixes a regression introduced by the fixes for RT 11972
1496 http://rt.cpan.org/Ticket/Display.html?id=27546
1497
9fc9d0ca
TC
1498 - cropping outside the image would return an Imager object with
1499 no low-level image object, instead of returning false.
1500 Fixed by: Philip Gwyn (Leolo)
1501 http://rt.cpan.org/Ticket/Display.html?id=27509
1502
7e7508dd
TC
1503Imager 0.58 - 16 May 2007
1504===========
1505
1506No significant changes from 0.57_01.
1507
1970a2c7
TC
1508Imager 0.57_01 - 11 May 2007
1509==============
d034a178 1510
f8e36694
TC
1511 - added to_rgb16 to produce a 16-bit/sample version of an image
1512
95b2bff4
TC
1513 - improve freetype 1.x text output efficiency
1514
d034a178
TC
1515Bug fixes:
1516
1517 - search another place for rgb.txt, and check all the places
1518 Imager::Color checks when deciding whether to skip testing it
1519 http://rt.cpan.org/Ticket/Display.html?id=26064
1520
73962964
TC
1521 - use a convolution kernel size based on the stddev rather than a
1522 fixed size when performing a gaussian blur
1523 http://rt.cpan.org/Ticket/Display.html?id=25645
1524
01b84320
TC
1525 - document the difference() method's mindist parameter, and debug it.
1526
7e7508dd 1527 - put the Imager release number in the Inline::C generated code to
22f9ca48
TC
1528 regenerate Inline code when a new release of Imager is installed.
1529 http://rt.cpan.org/Ticket/Display.html?id=26278
1530
fa16b6c6
TC
1531 - fix rendering on alpha channel images for the FreeType 1.x driver.
1532 http://rt.cpan.org/Ticket/Display.html?id=11972
1533
4c84ccfb
TC
1534 - fix rendering on alpha channel images for the T1lib driver.
1535 http://rt.cpan.org/Ticket/Display.html?id=11972
1536
1fe8316b
TC
1537 - reworked library probing, we can now set more than one probe
1538 function for a library. Disabled the default (non-freetype-config)
1539 library probe and added an extra probe function that searches for
1540 both ft2build.h and whatever it includes, and adds -I as needed.
1541 Hopefully this will fix build problems like
1542 http://www.nntp.perl.org/group/perl.cpan.testers/2007/05/msg472281.html
1543 http://rt.cpan.org/Ticket/Display.html?id=26086
1544
bb5712de
TC
1545Imager 0.57 - 30 Apr 2007
1546===========
1547
1548This is a maintenence release fixing a security issue in Imager.
1549
1550 - CRITICAL: a specially crafted compressed BMP file can cause a buffer
1551 overflow in malloced memory. There will be further discussion of
1552 this issue in the ticket below.
1553 http://rt.cpan.org/Ticket/Display.html?id=26811
7e7508dd
TC
1554 CVE-2007-2459 CVE-2007-2413
1555 The descriptions at cve.mitre.org varied in quality, please see the
1556 ticket at rt.cpan.org for a more accurate description of the issue.
bb5712de 1557
d034a178 1558Imager 0.56 - 1 Apr 2007
7623d340
TC
1559===========
1560
1561 - added support for reading 16-bit/sample PGM/PPM images
1562
1563 - added support for writing 16-bit/sample PGM/PPM images
1564
1565 - improved performance of reading PBM/PGM/PPM images
1566
1567 - added support for writing PBM images if the image is paletted and
1568 contains only black and white
1569
1570 - added a new make_colors value - "mono"
1571
1572 - switched from the svn log Changes to a manual Changes to reduce
1573 noise
1574
1225d272
TC
1575 - new sample code - samples/flasher.pl
1576
7623d340
TC
1577Bug fixes:
1578
1579 - CRITICAL: the "Imager" typemap entry (not used by Imager itself)
1580 was returning an image object with an extra reference, this
1581 resulted in a memory leak.
1582 http://rt.cpan.org/Ticket/Display.html?id=24992
1583
1584 - fix rendering on alpha channel images for the FreeType 2.x driver
1585 http://rt.cpan.org/Ticket/Display.html?id=11972
1586
1587 - reading bmp files now consitently handles short reads. You can now
1588 supply a parameter to treat a short read as successful and set
1589 i_incomplete
1590 http://rt.cpan.org/Ticket/Display.html?id=8426
1591
1592 - previously, reading ASCII PBM files required spaces between samples,
1593 even though the format doesn't require that
1594
1225d272
TC
1595 - improved documentation of the unsharpmask filter (I hope)
1596 http://rt.cpan.org/Ticket/Display.html?id=25531
1597
1598 - force flushing of the output from i_tt_dump_names() and test output
1599 in t/t35ttfont.t to prevent output from being mixed up.
1600 https://rt.cpan.org/Ticket/Display.html?id=24859
1601
1602 - rewrite a conditional expression as an if() to hopefully work around
1603 a bug in the pre-4.0 GCC Apple shipped with OS X 10.4.
1604 https://rt.cpan.org/Ticket/Display.html?id=25561
1605
1606 - avoid Data::Dumper in regops.perl to support older releases of perl
1607 https://rt.cpan.org/Ticket/Display.html?id=24391
1608
7623d340
TC
1609Imager 0.55 - 16 Dec 2006
1610===========
1611
1612This is primarily a bug fix release.
1613
1614Note: Test::More is now a pre-requisite for Imager and is no longer bundled.
1615
1616There is one new feature:
1617
1618 - the Win32 font driver now supports UTF8 (RT 22166)
1619 http://www.cpanforum.com/threads/3276
1620 http://rt.cpan.org/Ticket/Display.html?id=22166
1621
1622Several bugs were fixed:
1623
1624 - the string() method would not output the string "0"
1625 http://rt.cpan.org/Public/Bug/Display.html?id=21770
1626
1627 - fills.c was failing to compile on Solaris 10 (compiler unknown)
1628 http://rt.cpan.org/Public/Bug/Display.html?id=21944
1629
1630 - the gif_disposal and gif_user_input tags weren't being read from
1631 the file correctly
1632 http://rt.cpan.org/Public/Bug/Display.html?id=22192
1633
1634 - gif.c was failing to build under MSVC
1635 http://rt.cpan.org/Ticket/Display.html?id=23922
1636
1637 - in some cases strings passed to the string() method were treated as
1638 terminated by NUL (chr 0)
1639 http://rt.cpan.org/Public/Bug/Display.html?id=21770
1640
1641 - on "MSWin32" perl builds we now link to -lzlib instead of -lz since
1642 that's the default build name for zlib on Win32.
1643 http://rt.cpan.org/Ticket/Display.html?id=23064
1644
1645 - search $Config{incpath} for headers too, which we should have been
1646 doing all along.
1647
1648Win32 font driver fixes:
1649
1650 - the global descent value from bounding box was the wrong sign
1651 http://www.cpanforum.com/threads/3276
1652
1653 - if the first or last glyph overflowed the left or right side of the
1654 advance width they would be clipped
1655
1656
1657Imager 0.54 - 14 Sep 2006
1658===========
1659
1660This is primarily a feature release:
1661
1662 - a new qtype value 'mixing' has been added to the scale()
1663 method. This is faster than 'normal', slower than 'preview'. This
1664 is based on the method used by pnmscale, and seems to produce less
1665 blurry results than normal.
1666 http://rt.cpan.org/Public/Bug/Display.html?id=20677
1667
1668 - the rubthrough() method can now render onto images with an alpha
1669 channel.
1670 http://rt.cpan.org/Ticket/Display.html?id=20678
1671
1672 - the read_multi() method now falls back to calling doing a single
1673 image read via the read() method and write_multi() will now fall
1674 back to calling write() if a single image is supplied. This means
1675 you can simply call the read_multi() or write_multi() functions
1676 without having to check if the type is formatted by that method.
1677 http://rt.cpan.org/Ticket/Display.html?id=19457
1678 http://rt.cpan.org/Ticket/Display.html?id=19458
1679
1680 - the GIF loop extension can now be written. If you don't have
1681 libungif/giflib 4.1.4 (or some distribution's bugfixed equivalent) you
1682 should upgrade.
1683 http://rt.cpan.org/Ticket/Display.html?id=21185
1684
1685 - getscanline() and setscanline() can now read/write palette index
1686 based data from/to the image for paletted images, by setting type to
1687 'index'.
1688 http://rt.cpan.org/Ticket/Display.html?id=20338
1689
1690 - we no longer hassle you to disable GIF support
1691 http://rt.cpan.org/Ticket/Display.html?id=20687
1692
1693 - minor documentation fixes
1694
1695
1696Imager 0.53 - 26 Jul 2006
1697===========
1698
1699This is a bugfix release.
1700
1701Some test code was left in a code path not covered by the test
1702suite. A test was added to cover this code path and the test code was
1703removed.
1704http://rt.cpan.org/Public/Bug/Display.html?id=20705
1705
1706
1707Imager 0.52 - 25 Jul 2006
1708===========
1709
1710This is primarily a feature release, but contains a fair few bug
1711fixes, new features:
1712
1713 - ability to read and write MS Windows ICO and CUR files
1714
1715 - you can now add file format plugins to support new file formats
1716
1717 - add POD coverage tests
1718
1719 - setcolors() and addcolors() now accept color names and so on
1720 instead of requiring Imager::Color objects.
1721 http://rt.cpan.org/Ticket/Display.html?id=20056
1722
1723 - flood_fill() can now fill to a specified border color instead of
1724 just to the area the same color as the seed.
1725 http://rt.cpan.org/Ticket/Display.html?id=19618
1726
1727
1728Bug fixes:
1729
1730 - bounding_box for the T1 driver wasn't converting UTF8 to ascii when
1731 calculating the advance width.
1732 http://rt.cpan.org/Public/Bug/Display.html?id=20554
1733
1734 - bounding_box for the T1 driver wasn't including leading and
1735 trailing spaces in the bounding box as the other drivers did, it also
1736 produced strange results for empty strings or strings containing only
1737 spaces
1738
1739 - when reading CMYK jpeg images they were being transferred to the
1740 image object as is, producing a four channel image. It only looked ok
1741 due to an old still unfixed Photoshop bug. We now convert from the
1742 inverted CMYK that photoshop (and Corel for example) produce into RGB.
1743 http://rt.cpan.org/Ticket/Display.html?id=20416
1744
1745 - reading a CYMK TIFF would result in a 4 channel image, reading any
1746 image with more than 4 channels (eg. RGB with 2 alpha channels) would
1747 result in an error.
1748 http://rt.cpan.org/Ticket/Display.html?id=20415
1749
1750 - added /usr/local/include to the default include search path, since
1751 we were already searching /usr/local/lib for libraries.
1752
1753And various minor fixes and documentation updates.
1754
1755
1756Imager 0.51 - 23 Apr 2006
1757===========
1758
1759 - fix a validation bug when processing JPEG EXIF data that can cause
1760 a crash
1761 http://rt.cpan.org/Public/Bug/Display.html?id=18496
1762
1763 - fix mis-processing of the src_maxx and src_maxy parameters of the
1764 paste() method
1765 http://rt.cpan.org/Public/Bug/Display.html?id=18712
1766
1767 - fix a problem in Imager's "smart" handling of the color parameter
1768 to various methods.
1769 http://rt.cpan.org/Public/Bug/Display.html?id=18561
1770
1771
1772Imager 0.50 - 29 Mar 2006
1773===========
1774
1775 - CRITICAL: fixes a segmentation fault from attempting to write a 2
1776 or 4 channel image to jpeg or a 2 channel image to tga where the
1777 output is an in-memeory buffer.
1778 http://rt.cpan.org/Public/Bug/Display.html?id=18397
1779
1780 - fixes an incorrect pointer parameter in the PNG code
1781 http://rt.cpan.org/Public/Bug/Display.html?id=18051
1782
1783 - skip Inline::C tests when building in a directory with spaces
1784 http://rt.cpan.org/Public/Bug/Display.html?id=18049