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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 16 |
1 files changed, 8 insertions, 8 deletions
@@ -20,9 +20,9 @@ ImageMagick is free software delivered as a ready-to-run binary distribution or The ImageMagick development process ensures a stable API and ABI. Before each ImageMagick release, we perform a comprehensive security assessment that includes memory error and thread data race detection to prevent security vulnerabilities. -The current release is the ImageMagick 7.0.9 series. It runs on Linux, Windows, Mac Os X, iOS, Android OS, and others. +The current release is the ImageMagick 7.0.10 series. It runs on Linux, Windows, Mac Os X, iOS, Android OS, and others. -The authoritative ImageMagick web site is https://imagemagick.org. The authoritative source code repository is https://github.com/ImageMagick. We maintain a source code mirror at https://gitlab.com/ImageMagick. +The authoritative ImageMagick web site is https://imagemagick.org. The authoritative source code repository is https://github.com/ImageMagick/ImageMagick. We continue to maintain the legacy release of ImageMagick, version 6, at https://legacy.imagemagick.org. @@ -51,6 +51,7 @@ Here are just a few examples of what ImageMagick can do: * [Perceptual hash](http://www.fmwconcepts.com/misc_tests/perceptual_hash_test_results_510/index.html): maps visually identical images to the same or similar hash-- useful in image retrieval, authentication, indexing, or copy detection as well as digital watermarking. * [Complex text layout](https://en.wikipedia.org/wiki/Complex_text_layout) bidirectional text support and shaping. * [Color management](https://imagemagick.org/script/color-management.php): accurate color management with color profiles or in lieu of-- built-in gamma compression or expansion as demanded by the colorspace. +* [Bilateral Blur](https://imagemagick.org/script/command-line-options.php#bilateral-blur): non-linear, edge-preserving, and noise-reducing smoothing filter. * [High dynamic-range images](https://imagemagick.org/script/high-dynamic-range.php): accurately represent the wide range of intensity levels found in real scenes ranging from the brightest direct sunlight to the deepest darkest shadows. * [Encipher or decipher an image](https://imagemagick.org/script/cipher.php): convert ordinary images into unintelligible gibberish and back again. * [Virtual pixel support](https://imagemagick.org/script/architecture.php#virtual-pixels): convenient access to pixels outside the image region. @@ -64,16 +65,15 @@ Here are just a few examples of what ImageMagick can do: #### News -Now that ImageMagick [version 7](https://imagemagick.org) is released, we continue to maintain the legacy release of ImageMagick, [version 6](https://legacy.imagemagick.org). Learn how ImageMagick version 7 differs from previous versions with our [porting guide](https://imagemagick.org/script/porting.php). - ImageMagick best practices **strongly** encourages you to configure a [security policy](https://imagemagick.org/script/security-policy.php) that suits your local environment. -As an analog to linear (RGB) and non-linear (sRGB) color colorspaces, as of ImageMagick 7.0.7-17, we introduce the LinearGray colorspace. Gray is non-linear grayscale and LinearGray is linear (e.g. -colorspace linear-gray). +Now that ImageMagick version 7 is released, we continue to maintain the legacy release of ImageMagick, version 6, at https://legacy.imagemagick.org. Learn how ImageMagick version 7 differs from previous versions with our [porting guide](https://imagemagick.org/script/porting.php). Want more performance from ImageMagick? Try these options: - * Add more memory to your system, see the pixel cache; - * Add more cores to your system, see threads of execution support; - * push large images to a solid-state drive, see large image support. +* add more memory to your system, see the pixel cache; +* add more cores to your system, see threads of execution support; +* reduce lock contention with the tcmalloc memory allocation library; +* push large images to a solid-state drive, see large image support. If these options are prohibitive, you can reduce the quality of the image results. The default build is Q16 HDRI. If you disable HDRI, you use half the memory and instead of predominately floating point operations, you use the typically more efficient integer operations. The tradeoff is reduced precision and you cannot process out of range pixel values (e.g. negative). If you build the Q8 non-HDRI version of ImageMagick, you again reduce the memory requirements in half-- and once again there is a tradeoff, even less precision and no out of range pixel values. For a Q8 non-HDRI build of ImageMagick, use these configure script options: --with-quantum-depth=8 --disable-hdri. |