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项目描述

This is a simple command-line utilitiy to convert
images from TIFF to PNG format. It is primarily
useful in dealing with TIFF images that contain
alpha channels (transparency information), since
the NetPBM suite is (currently) ill-suited for such
conversions. A few test images are included.

系统要求

System requirement is not defined
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.

2002-09-16 10:38
0.91

此版本修复几乎所有剩余的16位每样本(验证为大,小端TIFFs)错误。这还纠正了不合比例的问题,8位图像。
标签: Minor bugfixes
This release fixes virtually all remaining 16-bit-per-sample bugs (verified) for both big and little endian TIFFs. It also corrects a scaling problem with sub-8-bit images.

2002-07-03 06:32
0.9

支持平铺TIFFs(连续使用),自动检测的8在16位的色彩数据位TIFF调色板,通配符的EMX模具+海湾合作委员会下,取消了一些C + +的意见,并检查结果的malloc()更仔细一点。
标签: Minor feature enhancements
Support for tiled TIFFs (contiguous only), auto-detection of 8-bit color data in 16-bit TIFF palettes, wildcards under emx+gcc, removal of some C++ comments, and checking the results of malloc() a bit more carefully.

2002-05-06 09:55
0.7

版本0.7有一个现代化的libpng接口,一个更强大的错误处理程序,为巴新的物理层块(长宽比和解决信息支持),并减少一半的传真图像的水平分辨率(- faxpect选项,启用可选的支持,如果FAXPECT定义)。
Version 0.7 has a modernized libpng interface, a more robust error-handler, support for PNG's pHYs chunk (aspect ratio and resolution info), and optional support for halving the horizontal resolution of fax images (-faxpect option, enabled if FAXPECT defined).

2002-05-06 09:55
0.8

现在,功能多文件的支持,让您转换成TIFFs许多PNG图像用一个简单的“tiff2png *. *.巴新的TIFF”很像gif2png。 (请注意,这违反了命令行的向后兼容。)也有,了DESTDIR选择向转换后的文件比目前的地方目录和一个新的压缩选项来设置具体的zlib压缩级(从最快最小的除外)。内存和资源管理和生成文件已经改善了。测试过的libtiff 3.5.4,1.0.5的libpng,和zlib 1.1.3。
Now features multifile support, allowing you to convert many of TIFFs to PNGs with a simple "tiff2png *.tiff *.png", much like gif2png. (Note that this breaks command-line backward compatibility.) There is also a -destdir option to put the converted files somewhere other than the current directory and a new -compression option to set the specific zlib compression level (from fastest to smallest). Memory and resource management and the makefile have been improved, too. Tested with libtiff 3.5.4, libpng 1.0.5, and zlib 1.1.3.

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