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| Libpng 1.5.17 - June 27, 2013 |
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| This is a public release of libpng, intended for use in production codes. |
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| Files available for download: |
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| Source files with LF line endings (for Unix/Linux) and with a |
| "configure" script |
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| libpng-1.5.17.tar.xz (LZMA-compressed, recommended) |
| libpng-1.5.17.tar.gz |
| libpng-1.5.17.tar.bz2 |
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| Source files with CRLF line endings (for Windows), without the |
| "configure" script |
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| lpng1517.7z (LZMA-compressed, recommended) |
| lpng1517.zip |
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| Other information: |
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| libpng-1.5.17-README.txt |
| libpng-1.5.17-LICENSE.txt |
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| Changes since the last public release (1.5.16): |
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| Removed a redundant test from png_set_IHDR(). |
| Added set(CMAKE_CONFIGURATION_TYPES ...) to CMakeLists.txt (Andrew Hundt) |
| Deleted set(CMAKE_BUILD_TYPE) block from CMakeLists.txt |
| Make ARM NEON support work at compile time (not just configure time). |
| This moves the test on __ARM_NEON__ into pngconf.h to avoid issues when |
| using a compiler that compiles for multiple architectures at one time. |
| Removed PNG_FILTER_OPTIMIZATIONS and PNG_ARM_NEON_SUPPORTED from |
| pnglibconf.h, allowing more of the decisions to be made internally |
| (pngpriv.h) during the compile. Without this, symbol prefixing is broken |
| under certain circumstances on ARM platforms. Now only the API parts of |
| the optimizations ('check' vs 'api') are exposed in the public header files |
| except that the new setting PNG_ARM_NEON_OPT documents how libpng makes the |
| decision about whether or not to use the optimizations. |
| Protect symbol prefixing against CC/CPPFLAGS/CFLAGS useage. |
| Previous iOS/Xcode fixes for the ARM NEON optimizations moved the test |
| on __ARM_NEON__ from configure time to compile time. This breaks symbol |
| prefixing because the definition of the special png_init_filter_functions |
| call was hidden at configure time if the relevant compiler arguments are |
| passed in CFLAGS as opposed to CC. This change attempts to avoid all |
| the confusion that would result by declaring the init function even when |
| it is not used, so that it will always get prefixed. |
| Revised libpng.3 so that "doclifter" can process it. |
| Revised example.c to illustrate use of PNG_DEFAULT_sRGB and PNG_GAMMA_MAC_18 |
| as parameters for png_set_gamma(). These have been available since |
| libpng-1.5.4. |
| |
| Send comments/corrections/commendations to png-mng-implement at lists.sf.net |
| (subscription required; visit |
| https://lists.sourceforge.net/lists/listinfo/png-mng-implement |
| to subscribe) |
| or to glennrp at users.sourceforge.net |
| |
| Glenn R-P |
