avoid warning about gccversion being non-numeric
[imager.git] / Changes
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1Imager release history. Older releases can be found in Changes.old
2
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3Imager 0.85
4===========
5
6Massive types re-work:
7
8 - the type used internally for pixel co-ordinates and image sizes is
9 now 64-bit on 64-bit platforms (at least sane ones).
10
11 - size_t is now used consistently for memory block sizes.
12
13 - since this changes the binary interface, the Imager API version has
14 been incremented. Any module that uses the API will need to be
15 rebuilt. In most cases that will be enough, but calls to any APIs
16 that take a pointer to image sizes may need source changes.
17
18 - you should be able to create very large images on 64-bit systems,
19 if you have enough memory. Successfully created a 32768 x 49192 x
20 3 channel image, filled with a tiled image and scaled it. The
21 unscaled image was also successfully saved to a JPEG.
22
23 - check the image size before attempting to write BMP, GIF, JPEG,
24 PNG, SGI, TGA, TIFF images.
25
26 - correctly handle reading TGA images over 32767 pixels wide or tall.
27
28Incidental changes:
29
30 - the gif_left and gif_top tags are now clamped to non-negative
31 values when writing a GIF image.
32
33 - removed dead callback read/write code
34
35The default maximum memory size when reading files is now 1G.
36
bd80e51e 37Imager 0.84 - 20 Jun 2011
b1e66a82
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38===========
39
40 - Imager no longer inherits from Exporter (unless you're running an
41 old, old perl.
42
92e9df65
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43 - Imager can now write progressive JPEGs (it could always read them).
44 https://rt.cpan.org/Ticket/Display.html?id=68691
45
10ea52a3
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46Bug fixes:
47
48 - re-work, document and test Imager's logging facility.
49 https://rt.cpan.org/Ticket/Display.html?id=65227
50
4989229f
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51 - fix META.yml testing and the generated META.yml
52 https://rt.cpan.org/Ticket/Display.html?id=65235
53
3bcba6df
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54 - test and add error reporting to to_*() family methods
55
bfe6ba3f
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56 - add to_rgb_double() method.
57 https://rt.cpan.org/Ticket/Display.html?id=65101
58
e1a42e19
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59 - Imager no longer exports anything by default
60 https://rt.cpan.org/Ticket/Display.html?id=65228
61
6d068d36
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62 - convert colors to grayscale if the supplied (or generated) palette
63 contains only grays when performing error diffusion color
64 translation.
65 https://rt.cpan.org/Ticket/Display.html?id=68508
66
59c150a4
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67 - writing a paletted image to GIF wouldn't always use the colors
68 supplied (or generated, eg. via make_colors => "mono"), which was
69 confusing at best.
70 https://rt.cpan.org/Ticket/Display.html?id=67912
71
5b480b14
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72 - replace (imager|tony)@imager.perl.org in the doc, since I don't
73 plan to continue receiving mail at that address.
74 https://rt.cpan.org/Ticket/Display.html?id=68591
75
101861e2 76Imager 0.83 - 21 May 2011
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77===========
78
79Bug fixes:
80
81 - diag() the error message on failure for some TIFF tests that are
82 failing on a Solaris smoker.
83 http://www.cpantesters.org/cpan/report/6396db1e-8090-11e0-9682-112b785ebe45
84
cd758af2
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85Imager 0.82_01 - 17 May 2011
86==============
87
88Dev release, in case the compose tests are too sensitive.
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89
90Bug fixes:
91
92 - Imager::Font::T1 incorrectly checked for absolute filename under
93 Win32. Thanks to kmx for the report and fix.
94 https://rt.cpan.org/Ticket/Display.html?id=67963
95
618a3282
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96 - compose() with the target, source or mask position off the top or
97 left of the target image didn't clip the source image correctly.
98 https://rt.cpan.org/Ticket/Display.html?id=67220
99
100 - compose() now returns a useful error message on a non-positive
101 opacity.
102
103 - compose.im now at 100% test coverage. (As opposed to, umm, much,
104 much less.)
105
c1d16c8f 106Imager 0.82 - 14 Mar 2011
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107===========
108
109Bug fixes:
110
111 - eliminate calls to i_has_format() from the test suite, since it's
112 no longer a useful way to check for file format support. Eliminate
113 i_has_format() from the functions exposed via XS.
114 https://rt.cpan.org/Ticket/Display.html?id=65863
115
7540f84a
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116 - eliminate calls to note(), which isn't in the (very old) version of
117 Test::More we have as a pre-requisite. note() is modern enough
118 that I don't feel a need to require a Test::More upgrade for it.
119 https://rt.cpan.org/Ticket/Display.html?id=65864
120
81984f30
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121 - skip the threads tests on Test::More 2.00_*
122 https://rt.cpan.org/Ticket/Display.html?id=65812
123
57fc3f48
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124 - add an (unshipped) test to check Imager's internal POD links
125 https://rt.cpan.org/Ticket/Display.html?id=65749
126
d97c8dbd
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127 - improve the library detection summary
128 https://rt.cpan.org/Ticket/Display.html?id=9675
129
c901f27d
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130 - increase the version of Imager::Font::Type1 so that upgrades don't
131 downgrade the version in this file.
132 https://rt.cpan.org/Ticket/Display.html?id=66250
133
134 - if we see an -rpath (or -R) option in $Config{lddlflags} supply
135 that option for the directories that would normally go in
136 LD_RUN_PATH. Typically an explicit -rpath overrides LD_RUN_PATH.
137 https://rt.cpan.org/Ticket/Display.html?id=65955
138
533bab3e 139Imager 0.81 - 14 Feb 2011
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140===========
141
142 - added coverage tests for masked images (maskimg.c @100% test coverage)
143
9ea78101
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144 - add hsv() method to Imager::Color
145 Thanks to Leolo (Philip Gwyn)
146 https://rt.cpan.org/Ticket/Display.html?id=65385
147
1f289f50
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148 - split libt1 Type 1 font support into a sub-module
149 https://rt.cpan.org/Ticket/Display.html?id=49616 (partial)
150
2c331f9f
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151 - add a preload() class method for use in forking servers, and to
152 work around limitations in PAR.
153 https://rt.cpan.org/Ticket/Display.html?id=65665
154
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155Bug fixes:
156
157 - paletted writes to a masked image are now masked correctly.
158 Revealed by new coverage tests.
159
130225b1
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160 - update the filter plugin documentation.
161 https://rt.cpan.org/Ticket/Display.html?id=56513
162
4326b23a 163 - add the matrix() method to Imager::Matrix2d to allow creation of a
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164 matrix with specified co-efficients. You can now multiple an
165 Imager::Matrix2d object by a 9 element array ref or a number.
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166 https://rt.cpan.org/Ticket/Display.html?id=29938
167
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168 - really fix loading TTF fonts with FT2 when FT1 isn't available.
169 Thanks to Leolo (Philip Gwyn)
170 https://rt.cpan.org/Ticket/Display.html?id=65386
171 https://rt.cpan.org/Ticket/Display.html?id=62855
172
40e78f96
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173 - make sure each test script that needs testout/ creates it.
174 https://rt.cpan.org/Ticket/Display.html?id=65088
175
afee75f6
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176 - handle a slightly different warning from libtiff 4.x
177 https://rt.cpan.org/Ticket/Display.html?id=65268
178
52b0d318
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179 - the sat transform2() op returned an incorrect saturation.
180 https://rt.cpan.org/Ticket/Display.html?id=65391
181
d33f20c1 182Imager 0.80 - 17 Jan 2011
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183===========
184
9a5df694
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185 - added coverage tests for Imager::Fountain and Imager::Color::Float
186
187 - Imager is now maintained in git
188 http://git.imager.perl.org/imager.git
189 git://git.imager.perl.org/imager.git
190
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191Bug fixes:
192
193 - images with an translucent alpha channel were not scaled correctly
194 by the default (qtype=normal) scaling method.
195 https://rt.cpan.org/Public/Bug/Display.html?id=63922
196
34c03f04
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197 - Imager::Color::Float now translates "#FFFFFF" to white instead of
198 just a little darker.
199
9a5df694
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200 - make the default color map build algorithm "mediancut". This
201 changes the default color map builder for writing GIFs back to what
202 it was in 0.77, reverting a performance regression.
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203 https://rt.cpan.org/Ticket/Display.html?id=64785
204
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205 - handle failure to create a masked image correctly
206
95c08d71 207Imager 0.79 - 10 Dec 2010
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208===========
209
210 - add Imager::Test to the POD coverage tests and document the missing
211 functions.
212
2a2c791f
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213 - the convert() method now optimizes the case where all output
214 channels are either 0, sourced from a single input channel or 1.
215 This significantly speeds up presets like "addalpha", "green".
216 https://rt.cpan.org/Ticket/Display.html?id=51254
217
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218 - add wiggle.pl sample, as suggested by Dan Oppenheim.
219
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220 - add the combine() method to combine channels from multiple source
221 images into a new image
222 https://rt.cpan.org/Ticket/Display.html?id=11872
223
62869327
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224Bug fixes:
225
226 - treat the co-efficients for convert() as doubles instead of floats.
227
d67dd866
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228 - If a higher (earlier) priority font handler failed to load, that
229 would crash preventing loading of later font handlers.
9413a3f3
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230 https://rt.cpan.org/Ticket/Display.html?id=62855
231
a9120a5e
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232 - parse defines from the options returned by pkg-config --cflags
233 https://rt.cpan.org/Ticket/Display.html?id=63223
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234
235 - a regen of the MANIFEST revealed that GIF and FT2 tests weren't
236 included in the tarball. They are now included.
a9120a5e 237
893474f1 238Imager 0.78 - 4 Oct 2010
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239===========
240
241Bug fixes:
242
243 - don't access deprecated members of the png_structp.
244 https://rt.cpan.org/Ticket/Display.html?id=60242
245
8289f78b
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246 - document that using color objects is faster than supplying colors
247 by name, etc.
248 https://rt.cpan.org/Ticket/Display.html?id=61047
249
0c3c1180
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250 - Imager::Probe now accepts array references for incpath and libpath.
251 https://rt.cpan.org/Ticket/Display.html?id=60244
252
b6035795 253Imager 0.77_02 - 27 Sep 2010
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254==============
255
95b9922f 256 - moved Win32, FreeType 2 font support into sub-modules.
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257 https://rt.cpan.org/Ticket/Display.html?id=49616 (partial)
258 Uses Imager::Probe now.
259 https://rt.cpan.org/Public/Bug/Display.html?id=61328
260
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261 - tested successfully with jpeg-8b
262 https://rt.cpan.org/Ticket/Display.html?id=60221
263
e85532b9
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264Bug fixes:
265
266 - from _01: look for missing file support test files in the right
267 places.
268
353eb6e7
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269 - flood_fill() wouldn't fill the right side of a single scan-line
270 fill area.
271 Thanks to Nicolas Roggli for reporting this.
272
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273 - flood_fill wouldn't fill to the left edge of the image if the
274 starting line didn't reach the left edge.
275 Thanks to Nicolas Roggli for reporting this.
276
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277Imager 0.77_01 - 13 Sep 2010
278==============
82f14556
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279
280 - add each library-directory/pkgconfig/ to the pkg-config search path
281 in Imager::Probe.
282 Thanks to Justin Davis.
283 https://rt.cpan.org/Ticket/Display.html?id=60491
284
8ab27e7e
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285 - moved GIF, TIFF, JPEG file handling code into sub-modules in
286 preparation for separate distribution.
ec6d8908
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287 https://rt.cpan.org/Ticket/Display.html?id=49616 (partial)
288
173c91ba
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289 - optimize filled box drawing (color, not fill)
290
82f14556
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291Bug fixes:
292
293 - Imager::Probe was calling ExtUtils::Liblist to initialize
294 LD_RUN_PATH supplying an undefined value rather than the found
295 directory. Thanks to Justin Davis.
296 https://rt.cpan.org/Ticket/Display.html?id=60491
297
b851aeeb
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298 - only prepend ./ to font filenames when passing them to T1Lib and
299 then only when it would use its search mechanisms.
300 https://rt.cpan.org/Ticket/Display.html?id=60509
301
173c91ba 302 - fix the cache check for the X rgb.txt loader. This is typically
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303 used for color translation on Unix-like systems, and the fix
304 improves performance of supplying colors by name by about 80 times.
305 Test code that managed 3400 10x10 pixel boxes/second sped up to
306 25700 boxes/second.
b851aeeb 307
d3a96113
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308 - clarify that Imager doesn't write EXIF metadata to images.
309 https://rt.cpan.org/Ticket/Display.html?id=60637
310
311 - Imager::Probe can now search subdirectories under its include path.
312 Used by the PNG Makefile.PL to find headers and libraries when they
313 aren't in the base directory, as in cygwin.
314 https://rt.cpan.org/Ticket/Display.html?id=60635
315
43452432
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316Imager 0.77 - 11 Aug 2010
317===========
318
319I don't want Imager::File::PNG indexed as part of Imager, but forgot
320to update the META.yml before updating the version.
321
322 - don't index Imager::File::PNG as part of Imager
323
324 - add resources to META.yml
325
326Imager 0.76 - not released
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327===========
328
329Bug fixes:
330
331 - the align_string() method would ignore a string of "0" due to a
332 mis-use of C< ||= >.
333 Thanks to Maurice Height for reporting this.
334 https://rt.cpan.org/Ticket/Display.html?id=60199
335
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336Imager 0.75_03 - 09 Aug 2010
337==============
338
339Bug fixes:
340
341 - read_types() and write_types() would include png when it wasn't
342 available due to a problem with the %formats tie
343
344 - handle dependent libraries correctly (eg -lpng requiring -lz) in
345 the code run phase of library probing.
346
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347Imager 0.75_02 - 07 Aug 2010
348==============
349
350Bug fixes:
351
352 - add file missing from MANIFEST, which was causing TIFF failures.
353
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354Imager 0.75_01 - 06 Aug 2010
355==============
356
357Test release for the new PNG probe.
75812841 358
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359 - added the ability to read multiple-image PNM files.
360 Note that unlike the pbm/pgm/ppm specification this accepts mixed
361 format files and allows white space padding between files.
362 Thanks to Philip Gwyn (Leolo) for this patch.
363
1d7e3124
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364 - moved the PNG file handling code into a sub-module in preparation
365 for separate distribution.
366 https://rt.cpan.org/Ticket/Display.html?id=49616 (partial)
367 Also helps avoid complications from -I/-L compile/link options from
368 other libraries.
369
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370Bugs:
371
372 - Imager->new(data => $data) didn't try to process image file data in
373 $data
374 https://rt.cpan.org/Ticket/Display.html?id=58761
375
b6071a43
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376 - t/t50basicoo.t no longer depends on the other tests to generate its
377 input files.
378 https://rt.cpan.org/Ticket/Display.html?id=9798
379 Also, it wasn't testing pnm (pnm vs ppm mix-up)
380
a9da425a
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381 - update the documentation of hardinvert to match the change in 0.62.
382 https://rt.cpan.org/Ticket/Display.html?id=59785
383
5558f899
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384 - added hardinvertall filter which also inverts the alpha channel
385 (sorry for the mess)
386
10b85929
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387 - when probing for TIFF, set LD_RUN_PATH just as the Makefile does so
388 the probe can find the library for the test run.
389 https://rt.cpan.org/Ticket/Display.html?id=57518
390
75812841 391Imager 0.75 - 20 Jun 2010
b13a3ddb
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392===========
393
394 - use PERL_NO_GET_CONTEXT to slightly improve performance on threaded
395 perls (not measured)
396
46e2e4a3
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397Bugs:
398
8c194049
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399 - an opacity fill based on a fountain fill would segfault when
400 filling an 8-bit/sample image.
401
1c5252ed
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402 - merge thickline branch polygon fix
403 https://rt.cpan.org/Ticket/Display.html?id=43518
404
41c88ecd 405Imager 0.74 - 7 May 2010
8d46e5da
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406===========
407
408Bug fixes:
409
410 - read_multi() didn't handle a missing file format library correctly,
411 aborting on failing to call i_readgif_multi_wiol() or
412 i_readtiff_multi_wiol().
413
5715f7c3
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414 - fix spelling errors patched by Debian
415 http://svn.debian.org/viewsvn/pkg-perl/trunk/libimager-perl/debian/patches/spelling.patch?revision=54839&view=markup
416
417 - add an (unshipped) author test to spellcheck Imager's POD.
7468f3fa 418
38218f79
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419 - update the TIFF file format documentation
420 https://rt.cpan.org/Ticket/Display.html?id=56510
421
e17da819
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422 - lib/Imager/IO.pod was written almost 4 years ago but never shipped.
423
704f12d5 424Imager 0.73 - 15 Mar 2010
40068b33
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425===========
426
427 - implement outline circles, both anti-aliased and not
428 https://rt.cpan.org/Ticket/Display.html?id=19755
429
e958b64e
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430 - a combine => "none" fill to a 1 or 3 channel image would produce
431 the incorrect colour.
432
b2db3662
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433Imager 0.72 - 09 Dec 2009
434===========
435
436Bump version for release, since 0.71_03 is stable with CPAN testers.
437
6936706b
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438Imager 0.71_03 - 5 Dec 2009
439==============
440
441 - further adjust the threads test so it only performs the tests on
442 perls where it's expected to work, and only if the threads module
443 can be loaded.
444
0750777c
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445Imager 0.71_02 - 1 Dec 2009
446==============
447
48ad0e66
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448 - adjust the way we load the threads module for the threads test so
449 it works with non-threaded perls
0750777c 450
b89f0fcd 451Imager 0.71_01 - 30 Nov 2009
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452===========
453
454Bug fixes:
455
456 - use scanline oriented operations to flip images instead of pixel
457 operations
458 https://rt.cpan.org/Ticket/Display.html?id=39278
459
460 - use double/sample operations to flip large sample images instead of
461 8-bit sample operations.
462 https://rt.cpan.org/Ticket/Display.html?id=39280
463
de3ca2fd
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464 - fix POD nits
465 https://rt.cpan.org/Ticket/Display.html?id=51874
466
ffddd407
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467 - prevent double-frees when someone creates Imager objects and then
468 creates a thread. Note: this just handles some simple cases,
469 Imager doesn't support perl threads, and isn't likely to.
470 https://rt.cpan.org/Ticket/Display.html?id=52268
471
3517794b 472Imager 0.71 - 16 Nov 2009
6a3cbaef
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473===========
474
a16bae72
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475 - add the opacity fill type - an adaptor that modifies the opacity of
476 another fill.
477
6a3cbaef
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478Bug fixes:
479
480 - the conv filter now enforces that the sum of the coefficients is
481 non-zero. Also, rather than skipping pixels off the edge off the
482 edge of the image, the closest edge pixel is used. Previously
483 dividing by the zero sum of coefficients could cause invalid
484 results or runtime exceptions.
485 Thanks to David Cantrell's Alpha-NetBSD CPAN test box for revealing
486 this bug.
487
189d5775 488Imager 0.70 - 21 Sep 2009
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489===========
490
491Bug fixes:
492
493 - release image row and comments memory on all error returns in gif
494 reader
495
496 - handle zero length extensions, previously this would cause a null
497 pointer dereference
498 Thanks to Krzysztof Wojtaƛ for the test data and fix for this.
499
b3afeed5
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500 - an integer division meant that preview scaling to below 1 pixel
501 wide or high (which isn't too useful anyway) was calculating using
502 NaNs on most platforms, and causing an exception on others.
503 Thanks to David Cantrell for producing a backtrace of the crash on
504 his Alpha-NetBSD CPAN test box which made it possible to track this
505 down.
506
b1e29946 507Imager 0.69 - 08 Sep 2009
25f4e775
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508===========
509
b1e29946 510Bug fixes:
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511
512 - broken test fix - was attempting to call a function skip_all, when
513 that should be a parameter to plan().
514
b1e29946
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515 - briefly document apidocs.perl, the tool used to build
516 Imager::APIRef and make some minor enhancements
517
518 - various minor documentation enhancements and fixes.
519
5920304a 520Imager 0.68 - 07 Sep 2009
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521===========
522
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523 - Imager->new(file => $filename) and other similar incantations will
524 load the given file.
525 https://rt.cpan.org/Ticket/Display.html?id=48261
526
c5f447ac
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527Bug fixes:
528
529 - avoid using CHECK as a label in Imager::Test
530 http://nntp.x.perl.org/group/perl.cpan.testers/5220921
531
0d670555
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532 - re-work most image file test files that require a library into
533 separate library present/not present files to remove stupidly long
534 conditionals
535
536 - don't treat rubthrough() outside the bounds of the target image as
537 an error.
538 http://nntp.x.perl.org/group/perl.cpan.testers/5185716
539
8d800216
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540Imager 0.67_01 - 02 Sep 2009
541==============
500888da
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542
543Bug fixes:
544
545 - correct documentation of default of raw image interleave read
546 parameter
547 https://rt.cpan.org/Ticket/Display.html?id=42074
548
549 - add raw_ prefix to raw read parameters, though the original names
550 still work.
551
552 - fail the read if an invalid raw_interleave parameter is supplied
553
554 - warn if no interleave or raw_interleave parameter is supplied,
555 since the documented default was wrong, and incompatible with the
556 write format
557
558 - for reading raw images, if raw_storechannels > raw_datachannels,
559 set the extra channels in the image to 0
560
cd476e58
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561 - when probing for executables like freetype-config, search for .bat
562 and .cmd on MSWin32, as well as .exe.
563 https://rt.cpan.org/Ticket/Display.html?id=49275
500888da 564
f9a39263
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565 - re-work the external libraries section of README:
566 - list Debian and Redhat package names for each library
567 - reformatting
568 - update URLs
569
f45b774f
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570 - use the new EU::MM META_MERGE facility instead of generating
571 META.yml from scratch
572 https://rt.cpan.org/Ticket/Display.html?id=47888
573
d6b51d8c
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574 - use Devel::CheckLib (bundled, modified) to check which release of
575 libtiff is installed and reject 3.9.0
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576 http://bugzilla.maptools.org/show_bug.cgi?id=2088
577 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=543079
d6b51d8c 578
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579Imager 0.67 - 12 Dec 2008
580===========
581
582Bug fixes:
583
584 - fix a packaging error
585
cca21862 586Imager 0.66 - 12 Dec 2008
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587===========
588
6b22ba84
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589 - 24-bit color .ICO/.CUR files can now be read.
590
3c8fee33
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591Bug fixes:
592
6b22ba84
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593 - an optimization skipping 0 src alpha values could cause the
594 rubthrough() to read past the end of a buffer.
595 http://www.nntp.perl.org/group/perl.cpan.testers/2008/05/msg1509184.html
596
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597 - corrected a reference leak where writing GIFs would leak memory.
598 This could also happen calling to_paletted().
599 Also documented the underlying long existing feature where the
600 colors parameter is filled with the generated color table and added
601 tests for it.
3c8fee33
TC
602 http://rt.cpan.org/Ticket/Display.html?id=41028
603
8e7f5809
TC
604 - write out the image size in bytes field of a BMP correctly.
605 http://rt.cpan.org/Ticket/Display.html?id=41406
606
c586eb58
TC
607 - add limited tests for Imager::ExtUtils
608
609 - make Imager::ExtUtils->includes use an absolute path, since
610 a relative path could cause failures using Inline::C.
611 http://rt.cpan.org/Ticket/Display.html?id=37353
612
6b22ba84
TC
613 - re-arrange the POD for Imager::Font::BBox:
614 - mark total_width(), pos_width(), end_offset() obsolete, since
615 they're mostly for backwards compatibility
616 - group width methods and height methods
617 https://rt.cpan.org/Ticket/Display.html?id=39999
17d9fe35 618
0727e3f5 619Imager 0.65 - 20 May 2008
546ea21c
TC
620===========
621
622Bug fixes:
623
624 - In some cases when an error occurs reading those parts of a JPEG
625 file after the image the scan-line buffer could be freed a second
626 time. In cases where the the error occured while reading the image
627 data it's possible that the buffer could have leaked.
628 Thanks to Gabriel Vasseur for reporting this and help in tracking
629 it down.
630
43b2b326
TC
631 - the gif_screen_height tag was overriding the screen width and being
632 ignored for the screen height when present.
633 https://rt.cpan.org/Public/Bug/Display.html?id=35568
634
e02d22d2 635Imager 0.64 - 23 April 2008
de470892
TC
636===========
637
e02d22d2
TC
638This is a bug fix release. This includes a fix for a possible
639security issue.
640
de470892
TC
641Bug fixes:
642
e02d22d2
TC
643 - Possible security issue: The floating point sample path for image
644 based fills had a buffer overflow. This would overwrite the end of
645 a malloc()ed buffer with double precision floats.
646 http://rt.cpan.org/Ticket/Display.html?id=35324
6912d85a 647 CVE-2008-1928
e02d22d2 648
de470892
TC
649 - check that the result of fileno($fh) is defined rather than simply
650 true when read() or write() is supplied with an fh parameter.
651 http://rt.cpan.org/Ticket/Display.html?id=35139
652
653 - i_scale_axis() wasn't checking the result of i_img_new_ch()
654 resulting in a SIGSEGV when attempting to scale an image to a size
655 too large to fit in memory. This is a NULL pointer access issue,
656 not a buffer overflow.
657 Added a check for the failure.
658 scale_calculate() (and hence scale()) will now fail if any of the
659 scale size parameters are a reference.
660 http://rt.cpan.org/Ticket/Display.html?id=35172
661
04f85f63
TC
662 - Regression: filling a greyscale image with a hatch used the wrong
663 color channels from the supplied fg/bg colors.
664 https://rt.cpan.org/Ticket/Display.html?id=35278
665
a256aec5
TC
666 - fixed a related problem for image fills.
667
49240201 668Imager 0.63 - 7 April 2008
33b0ffa6
TC
669===========
670
242d7497
TC
671This release primarily contains changes to improve ease of use -
672rather than you having to convert images to the appropriate number of
673channels, Imager handles it internally. How to handle drawing colors
674and the default combine mode is a thornier problem left for some other
675release.
676
d1555273
TC
677 - the font libraries are now only initialized when needed.
678 http://rt.cpan.org/Ticket/Display.html?id=28825
679
9b1ec2b8
TC
680 - moved the imtoc.perl code into Imager::Preprocess
681
682 - paste() and rubthrough() now adapt the source image data to the
683 destination, so you can now safely paste/rubthrough from greyscale
684 images to color images or back, or from alpha channel images to
685 noalpha channels or back.
686 https://rt.cpan.org/Ticket/Display.html?id=30908
687
688 - rubthrough() now falls back to pasting when the source doesn't have
689 an alpha channel. This effectively treats the source as having a
690 max alpha channel, the right thing to do.
691 http://rt.cpan.org/Ticket/Display.html?id=29944
692
693 - re-worked most of the area filling code to use a common set of
694 functions when filling.
695 Corrected normal combine mode.
696 Rewrote most of the combine modes to match the way the SVG draft
697 defines them with respect to a translucent source and destination.
698 Added tests for translucent source and destination.
699 Added tests to check 8-bit/sample and double/sample combines work
700 similarly.
701 https://rt.cpan.org/Ticket/Display.html?id=29879
702
07d9c639
TC
703 - writing a 2 or 4 channel image to a JPEG file will now write that
704 image as if composited against a background, black by default,
705 overridable with the i_background tag/parameter.
6e4af7d4
TC
706 https://rt.cpan.org/Ticket/Display.html?id=29876
707
07d9c639
TC
708 - writing a 2 or 4 channel image to a PGM/PPM file will now write
709 that image as if composited against a background, black by default,
fa90de94
TC
710 overridable with the i_background tag/parameter.
711 http://rt.cpan.org/Ticket/Display.html?id=30074
712
07d9c639
TC
713 - writing a 2 or 4 channel image to a BMP file will now write that
714 image as if composited against a background, black by default,
715 overridable with the i_background tag/parameter.
716 http://rt.cpan.org/Ticket/Display.html?id=30075
717
33b0ffa6
TC
718Bug fixes:
719
720 - Imager::Matrix2d->translate() now only requires one of the x or y
721 parameters.
722 http://rt.cpan.org/Ticket/Display.html?id=29937
723
2757bad0
TC
724 - mixing qtype scaling now sets all channels of a pixel to zero if
725 the pixel has zero coverage (zero alpha). This should produce more
726 compressible output files.
727 http://rt.cpan.org/Ticket/Display.html?id=32324
728
3da08517
TC
729 - removed the pointless #! line from lib/Imager/Font/Wrap.pm
730 Noticed when I saw:
731 https://bugzilla.redhat.com/show_bug.cgi?id=166254
732 I'm not changing the #! lines of the sample code, since it's sample
733 code, not intended for installation.
734 http://rt.cpan.org/Ticket/Display.html?id=33408
735
242d7497
TC
736 - some TGA images weren't being detected correctly as TGA images
737 https://rt.cpan.org/Ticket/Display.html?id=32925
738
739 - handling of the left-over bit for 16-bit/pixel TGA images has been
740 changed to match the behaviour of the GIMP. Previously the bit
741 being set was treated as an opaque pixel, but one user reported a
742 problem with loading such an image. I haven't been able to find any
743 tools beyond the GIMP that handle alpha-channel 16-bit TGAs, so
744 I'll match it's behaviour. See issue 114913 in the GIMP's
745 bugzilla.
746 http://rt.cpan.org/Ticket/Display.html?id=32926
747
5daa9d34 748Imager 0.62 - 10 December 2007
ac8138b0
TC
749===========
750
d8e0c3ba
TC
751 - Makefile.PL now expands ~/path supplied to --incpath or --libpath
752 to /path under your home directory.
753 http://rt.cpan.org/Ticket/Display.html?id=29484
754
50ff958e
TC
755 - the old dynaload code used Mach API functions to load dynamic
756 libraries on Mac OS X. These APIs have been deprecated in OS X
757 10.5 and were causing some build problems.
758 So henceforth Imager uses the dlopen() family of functions, and you
759 will need version 10.3 or later of OS X.
760
3309187a
TC
761 - added the det() function to the transform2() engine.
762 added the sample quad_to_square.pl
763 Courtesy Richard Fairhurst.
764 http://rt.cpan.org/Ticket/Display.html?id=31244
765
ac8138b0
TC
766Bug fixes:
767
768 - samples/gifscale.pl sourced the base value for gif_top from
769 gif_left.
770 Thanks to Eleneldil G. Arilou for pointing this out.
771
678a9a65
TC
772 - t/t82inline.t no longer loads B at runtime, to work around a bug
773 in some 5.005_0[45] installations.
774 http://rt.cpan.org/Ticket/Display.html?id=30508
775
776 - work around Module::Depends::Intrusive bug #21229
777 http://rt.cpan.org/Ticket/Display.html?id=30520
ac8138b0 778
bea65b1f
TC
779 - the hardinvert filter no-longer inverts the alpha channel.
780 http://rt.cpan.org/Ticket/Display.html?id=30002
781
782 - the hardinvert filter now supports large samples
783
b7809486 784Imager 0.61_02 - 28 November 2007
f74e6efc 785==============
874c55db 786
bd8052a6
TC
787 - major TIFF support re-work
788 http://rt.cpan.org/Ticket/Display.html?id=20329
789
790 - added a C level image interface for accessing samples from 1-32
791 bits, exposed this at the perl level in getsamples()
792
793 - the conv filter now works at floating point precision for high bit
794 images
795
796 - added is_bilevel method to test whether an image should be written as
797 a bilevel image if the image format supports it.
798
799 - added -log-stderr as an Imager import list option
800
801 - added some important types to Imager::APIRef
802
803 - added test_image_double() to Imager::Test
804
874c55db
TC
805Bug fixes:
806
807 - Imager::Fountain couldn't read GIMP gradient files with 10 or more
808 segments
809
810 - the scale() method with qtype mixing now handles images with an
811 alpha channel correctly.
812
8d17eae9
TC
813 - fixed a broken link from the "animated GIF" entry in the concept index.
814 Thanks to Slaven Rezic.
815 http://rt.cpan.org/Ticket/Display.html?id=30889
816
d3bf4eaf
TC
817 - on some perl's the infix expression parser test would fail due to
818 actions in the grammar returning false. Made sure all actions return
819 a true value.
8b96ad6b
TC
820 Thanks to Richard Fairhurst for spending a lot of time in tracking
821 down this problem.
680c329d 822 http://rt.cpan.org/Public/Bug/Display.html?id=29562
d3bf4eaf 823
d06f6707 824Imager 0.61 - 5 November 2007
1cfa190e
TC
825===========
826
827 - added samples/gifscale.pl, which adjusts the screen size/position tags
828 when scaling an animated gif
829 http://rt.cpan.org/Ticket/Display.html?id=27591
830
8a2cd317
TC
831Bug fixes:
832
e7ac18bd
TC
833 - correct handling of sz in matrix_transform() - this should allow
834 perspective type transformations to work now.
835 http://rt.cpan.org/Ticket/Display.html?id=29936
836
8a2cd317
TC
837 - prevent a cast to integer warning on x64 builds in datatypes.c
838 also fixed some other type warnings
839 https://rt.cpan.org/Ticket/Display.html?id=30204
840
9188b23e
TC
841 - some sub-directory tests depended on files produced by the parent
842 directory tests
843 http://rt.cpan.org/Ticket/Display.html?id=30203
844
7febff1d
TC
845 - Imager::Font::Wrap doesn't correctly set savepos
846 thanks to Nikita Dedik and Eleneldil G. Arilou for reporting this.
847 http://rt.cpan.org/Ticket/Display.html?id=29771
848
76411e99
TC
849 - test 171 in t/t01introvert.t was failing on perls configured to
850 use long double.
851 http://rt.cpan.org/Ticket/Display.html?id=29413
852
3f29de50
TC
853 - the code for the transform2() uminus operator was missing a break.
854 Added tests for better code coverage of the ops.
855 http://rt.cpan.org/Ticket/Display.html?id=29296
856
ed107438
TC
857 - the SGI RLE compression code could overflow its compression buffer
858 http://rt.cpan.org/Ticket/Display.html?id=30334
859
860 - the 32-bit output function used by the SGI code only handled values
861 under 0x10000. This was most noticable when writing large RLE images.
862 http://rt.cpan.org/Ticket/Display.html?id=30335
863
c7481ae1
TC
864 - validate chan_count for chans == NULL for each of the i_gsamp()
865 implementations.
866 http://rt.cpan.org/Ticket/Display.html?id=28985
867
ff37fc3f
TC
868 - attempt to work around the test failure at
869 http://www.nntp.perl.org/group/perl.cpan.testers/2007/09/msg650810.html
870 http://rt.cpan.org/Ticket/Display.html?id=29562
871
f245645a
TC
872 - improve the error messages produced when attempting to read or write
873 an unknown image file format.
874 http://rt.cpan.org/Ticket/Display.html?id=30103
875
333d7485
TC
876 - improve the transform2() documentation
877 http://rt.cpan.org/Ticket/Display.html?id=29267
878
3b115720
TC
879 - correctly generate the author key in META.yml
880 http://rt.cpan.org/Ticket/Display.html?id=30377
881
13c9a303
TC
882 - correctly blend a rotated (or matrix_transformed()) image when
883 performing interpolation in the presence of an alpha channel.
8a071022
TC
884 Also corrected the centring of the rotated image on the output
885 image.
13c9a303 886
0e622083 887Imager 0.60 - 30 August 2007
bcff4dd9
TC
888===========
889
d5477d3d
TC
890 - Finished/rewrote Arnar's old SGI RGB file format support, so Imager
891 now has full SGI RGB image format, including RLE and 16-bit/sample
892 images.
893 https://rt.cpan.org/Ticket/Display.html?id=8666
894
895 - logging functions are now available in the API
896
a60905e4
TC
897 - applied Gabriel Vasseur's patch
898 added documentation, further tests, and support for greyscale images
899 Obviously problems are my fault :)
900 https://rt.cpan.org/Ticket/Display.html?id=28142
901
413dc198
TC
902 - the mask for ICO/CUR images is now applied as an alpha channel to
903 the returned image. For the old behaviour, supply ico_masked => 0
904 to read() or read_multi(). This should be less confusing when
905 using Imager as a general image processor.
906 https://rt.cpan.org/Ticket/Display.html?id=29001
907
bcff4dd9
TC
908Bug fixes:
909
910 - in some cases it's possible for giflib/libungif to return color
911 indexes outside the range of colors defined by the image's palette.
912 We now expand the palette to match the indexes used.
913 Thanks to Gabriel Vasseur for reporting this.
914
02576e8d
TC
915 - fixed various memory leaks that could occur when failing to read png,
916 jpeg, bmp or tga files.
917
b3aa972f
TC
918 - to avoid confusion, channels not present in the image are returned as
919 zero by getscanline(). This has no effect on the C level i_glin()
920 and i_glinf() API functions which continue to not set the unused
921 channels.
922
d5477d3d
TC
923 - the convert() method now returns an image of the same sample size as
924 the source image.
925 https://rt.cpan.org/Ticket/Display.html?id=28492
926
baa880ef
TC
927 - remove repeated text in Imager::Files
928 http://rt.cpan.org/Ticket/Display.html?id=27589
929
930 - be even more explicit that scale() and friends don't modify the source
931 image, but return a new image.
932 http://rt.cpan.org/Ticket/Display.html?id=28570
933
0561d49c
TC
934 - improve the error message from errstr() when you try to load a font
935 for which the driver hasn't been built in Imager.
936 http://rt.cpan.org/Ticket/Display.html?id=27571
937
d8a39ce0
TC
938 - transparency is now enabled by default when writing GIF images
939 http://rt.cpan.org/Ticket/Display.html?id=27615
940
5730d6e7
TC
941 - Imager would not load on Windows 98
942 http://rt.cpan.org/Ticket/Display.html?id=27653
943
b4996113 944Imager 0.59 - 14 June 2007
e6e94ab0
TC
945===========
946
947Bug fixes:
948
949 - fixes a regression introduced by the fixes for RT 11972
950 http://rt.cpan.org/Ticket/Display.html?id=27546
951
9fc9d0ca
TC
952 - cropping outside the image would return an Imager object with
953 no low-level image object, instead of returning false.
954 Fixed by: Philip Gwyn (Leolo)
955 http://rt.cpan.org/Ticket/Display.html?id=27509
956
7e7508dd
TC
957Imager 0.58 - 16 May 2007
958===========
959
960No significant changes from 0.57_01.
961
1970a2c7
TC
962Imager 0.57_01 - 11 May 2007
963==============
d034a178 964
f8e36694
TC
965 - added to_rgb16 to produce a 16-bit/sample version of an image
966
95b2bff4
TC
967 - improve freetype 1.x text output efficiency
968
d034a178
TC
969Bug fixes:
970
971 - search another place for rgb.txt, and check all the places
972 Imager::Color checks when deciding whether to skip testing it
973 http://rt.cpan.org/Ticket/Display.html?id=26064
974
73962964
TC
975 - use a convolution kernel size based on the stddev rather than a
976 fixed size when performing a gaussian blur
977 http://rt.cpan.org/Ticket/Display.html?id=25645
978
01b84320
TC
979 - document the difference() method's mindist parameter, and debug it.
980
7e7508dd 981 - put the Imager release number in the Inline::C generated code to
22f9ca48
TC
982 regenerate Inline code when a new release of Imager is installed.
983 http://rt.cpan.org/Ticket/Display.html?id=26278
984
fa16b6c6
TC
985 - fix rendering on alpha channel images for the FreeType 1.x driver.
986 http://rt.cpan.org/Ticket/Display.html?id=11972
987
4c84ccfb
TC
988 - fix rendering on alpha channel images for the T1lib driver.
989 http://rt.cpan.org/Ticket/Display.html?id=11972
990
1fe8316b
TC
991 - reworked library probing, we can now set more than one probe
992 function for a library. Disabled the default (non-freetype-config)
993 library probe and added an extra probe function that searches for
994 both ft2build.h and whatever it includes, and adds -I as needed.
995 Hopefully this will fix build problems like
996 http://www.nntp.perl.org/group/perl.cpan.testers/2007/05/msg472281.html
997 http://rt.cpan.org/Ticket/Display.html?id=26086
998
bb5712de
TC
999Imager 0.57 - 30 Apr 2007
1000===========
1001
1002This is a maintenence release fixing a security issue in Imager.
1003
1004 - CRITICAL: a specially crafted compressed BMP file can cause a buffer
1005 overflow in malloced memory. There will be further discussion of
1006 this issue in the ticket below.
1007 http://rt.cpan.org/Ticket/Display.html?id=26811
7e7508dd
TC
1008 CVE-2007-2459 CVE-2007-2413
1009 The descriptions at cve.mitre.org varied in quality, please see the
1010 ticket at rt.cpan.org for a more accurate description of the issue.
bb5712de 1011
d034a178 1012Imager 0.56 - 1 Apr 2007
7623d340
TC
1013===========
1014
1015 - added support for reading 16-bit/sample PGM/PPM images
1016
1017 - added support for writing 16-bit/sample PGM/PPM images
1018
1019 - improved performance of reading PBM/PGM/PPM images
1020
1021 - added support for writing PBM images if the image is paletted and
1022 contains only black and white
1023
1024 - added a new make_colors value - "mono"
1025
1026 - switched from the svn log Changes to a manual Changes to reduce
1027 noise
1028
1225d272
TC
1029 - new sample code - samples/flasher.pl
1030
7623d340
TC
1031Bug fixes:
1032
1033 - CRITICAL: the "Imager" typemap entry (not used by Imager itself)
1034 was returning an image object with an extra reference, this
1035 resulted in a memory leak.
1036 http://rt.cpan.org/Ticket/Display.html?id=24992
1037
1038 - fix rendering on alpha channel images for the FreeType 2.x driver
1039 http://rt.cpan.org/Ticket/Display.html?id=11972
1040
1041 - reading bmp files now consitently handles short reads. You can now
1042 supply a parameter to treat a short read as successful and set
1043 i_incomplete
1044 http://rt.cpan.org/Ticket/Display.html?id=8426
1045
1046 - previously, reading ASCII PBM files required spaces between samples,
1047 even though the format doesn't require that
1048
1225d272
TC
1049 - improved documentation of the unsharpmask filter (I hope)
1050 http://rt.cpan.org/Ticket/Display.html?id=25531
1051
1052 - force flushing of the output from i_tt_dump_names() and test output
1053 in t/t35ttfont.t to prevent output from being mixed up.
1054 https://rt.cpan.org/Ticket/Display.html?id=24859
1055
1056 - rewrite a conditional expression as an if() to hopefully work around
1057 a bug in the pre-4.0 GCC Apple shipped with OS X 10.4.
1058 https://rt.cpan.org/Ticket/Display.html?id=25561
1059
1060 - avoid Data::Dumper in regops.perl to support older releases of perl
1061 https://rt.cpan.org/Ticket/Display.html?id=24391
1062
7623d340
TC
1063Imager 0.55 - 16 Dec 2006
1064===========
1065
1066This is primarily a bug fix release.
1067
1068Note: Test::More is now a pre-requisite for Imager and is no longer bundled.
1069
1070There is one new feature:
1071
1072 - the Win32 font driver now supports UTF8 (RT 22166)
1073 http://www.cpanforum.com/threads/3276
1074 http://rt.cpan.org/Ticket/Display.html?id=22166
1075
1076Several bugs were fixed:
1077
1078 - the string() method would not output the string "0"
1079 http://rt.cpan.org/Public/Bug/Display.html?id=21770
1080
1081 - fills.c was failing to compile on Solaris 10 (compiler unknown)
1082 http://rt.cpan.org/Public/Bug/Display.html?id=21944
1083
1084 - the gif_disposal and gif_user_input tags weren't being read from
1085 the file correctly
1086 http://rt.cpan.org/Public/Bug/Display.html?id=22192
1087
1088 - gif.c was failing to build under MSVC
1089 http://rt.cpan.org/Ticket/Display.html?id=23922
1090
1091 - in some cases strings passed to the string() method were treated as
1092 terminated by NUL (chr 0)
1093 http://rt.cpan.org/Public/Bug/Display.html?id=21770
1094
1095 - on "MSWin32" perl builds we now link to -lzlib instead of -lz since
1096 that's the default build name for zlib on Win32.
1097 http://rt.cpan.org/Ticket/Display.html?id=23064
1098
1099 - search $Config{incpath} for headers too, which we should have been
1100 doing all along.
1101
1102Win32 font driver fixes:
1103
1104 - the global descent value from bounding box was the wrong sign
1105 http://www.cpanforum.com/threads/3276
1106
1107 - if the first or last glyph overflowed the left or right side of the
1108 advance width they would be clipped
1109
1110
1111Imager 0.54 - 14 Sep 2006
1112===========
1113
1114This is primarily a feature release:
1115
1116 - a new qtype value 'mixing' has been added to the scale()
1117 method. This is faster than 'normal', slower than 'preview'. This
1118 is based on the method used by pnmscale, and seems to produce less
1119 blurry results than normal.
1120 http://rt.cpan.org/Public/Bug/Display.html?id=20677
1121
1122 - the rubthrough() method can now render onto images with an alpha
1123 channel.
1124 http://rt.cpan.org/Ticket/Display.html?id=20678
1125
1126 - the read_multi() method now falls back to calling doing a single
1127 image read via the read() method and write_multi() will now fall
1128 back to calling write() if a single image is supplied. This means
1129 you can simply call the read_multi() or write_multi() functions
1130 without having to check if the type is formatted by that method.
1131 http://rt.cpan.org/Ticket/Display.html?id=19457
1132 http://rt.cpan.org/Ticket/Display.html?id=19458
1133
1134 - the GIF loop extension can now be written. If you don't have
1135 libungif/giflib 4.1.4 (or some distribution's bugfixed equivalent) you
1136 should upgrade.
1137 http://rt.cpan.org/Ticket/Display.html?id=21185
1138
1139 - getscanline() and setscanline() can now read/write palette index
1140 based data from/to the image for paletted images, by setting type to
1141 'index'.
1142 http://rt.cpan.org/Ticket/Display.html?id=20338
1143
1144 - we no longer hassle you to disable GIF support
1145 http://rt.cpan.org/Ticket/Display.html?id=20687
1146
1147 - minor documentation fixes
1148
1149
1150Imager 0.53 - 26 Jul 2006
1151===========
1152
1153This is a bugfix release.
1154
1155Some test code was left in a code path not covered by the test
1156suite. A test was added to cover this code path and the test code was
1157removed.
1158http://rt.cpan.org/Public/Bug/Display.html?id=20705
1159
1160
1161Imager 0.52 - 25 Jul 2006
1162===========
1163
1164This is primarily a feature release, but contains a fair few bug
1165fixes, new features:
1166
1167 - ability to read and write MS Windows ICO and CUR files
1168
1169 - you can now add file format plugins to support new file formats
1170
1171 - add POD coverage tests
1172
1173 - setcolors() and addcolors() now accept color names and so on
1174 instead of requiring Imager::Color objects.
1175 http://rt.cpan.org/Ticket/Display.html?id=20056
1176
1177 - flood_fill() can now fill to a specified border color instead of
1178 just to the area the same color as the seed.
1179 http://rt.cpan.org/Ticket/Display.html?id=19618
1180
1181
1182Bug fixes:
1183
1184 - bounding_box for the T1 driver wasn't converting UTF8 to ascii when
1185 calculating the advance width.
1186 http://rt.cpan.org/Public/Bug/Display.html?id=20554
1187
1188 - bounding_box for the T1 driver wasn't including leading and
1189 trailing spaces in the bounding box as the other drivers did, it also
1190 produced strange results for empty strings or strings containing only
1191 spaces
1192
1193 - when reading CMYK jpeg images they were being transferred to the
1194 image object as is, producing a four channel image. It only looked ok
1195 due to an old still unfixed Photoshop bug. We now convert from the
1196 inverted CMYK that photoshop (and Corel for example) produce into RGB.
1197 http://rt.cpan.org/Ticket/Display.html?id=20416
1198
1199 - reading a CYMK TIFF would result in a 4 channel image, reading any
1200 image with more than 4 channels (eg. RGB with 2 alpha channels) would
1201 result in an error.
1202 http://rt.cpan.org/Ticket/Display.html?id=20415
1203
1204 - added /usr/local/include to the default include search path, since
1205 we were already searching /usr/local/lib for libraries.
1206
1207And various minor fixes and documentation updates.
1208
1209
1210Imager 0.51 - 23 Apr 2006
1211===========
1212
1213 - fix a validation bug when processing JPEG EXIF data that can cause
1214 a crash
1215 http://rt.cpan.org/Public/Bug/Display.html?id=18496
1216
1217 - fix mis-processing of the src_maxx and src_maxy parameters of the
1218 paste() method
1219 http://rt.cpan.org/Public/Bug/Display.html?id=18712
1220
1221 - fix a problem in Imager's "smart" handling of the color parameter
1222 to various methods.
1223 http://rt.cpan.org/Public/Bug/Display.html?id=18561
1224
1225
1226Imager 0.50 - 29 Mar 2006
1227===========
1228
1229 - CRITICAL: fixes a segmentation fault from attempting to write a 2
1230 or 4 channel image to jpeg or a 2 channel image to tga where the
1231 output is an in-memeory buffer.
1232 http://rt.cpan.org/Public/Bug/Display.html?id=18397
1233
1234 - fixes an incorrect pointer parameter in the PNG code
1235 http://rt.cpan.org/Public/Bug/Display.html?id=18051
1236
1237 - skip Inline::C tests when building in a directory with spaces
1238 http://rt.cpan.org/Public/Bug/Display.html?id=18049