X-Git-Url: https://granicus.if.org/sourcecode?a=blobdiff_plain;f=README.txt;h=353d545f20199afbe795d34aec64cdd2ec6997a3;hb=47daea440e3e8d2e61d48ec7e0dad5ad2dc29417;hp=917c5dd0336a46c7821594dd11d34aed4685d62f;hpb=ad8e7618663e339ae4246e5dfb3b23e4e9e13034;p=imagemagick diff --git a/README.txt b/README.txt index 917c5dd03..353d545f2 100644 --- a/README.txt +++ b/README.txt @@ -1,77 +1,105 @@ Introduction to ImageMagick - ImageMagick® is a software suite to create, edit, and compose bitmap - images. It can read, convert and write images in a variety of formats - (over 100) including DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PhotoCD, PNG, - Postscript, SVG, and TIFF. Use ImageMagick to translate, flip, mirror, - rotate, scale, shear and transform images, adjust image colors, apply various - special effects, or draw text, lines, polygons, ellipses and Bézier curves. - + ImageMagick® is a software suite to create, edit, compose, or convert + bitmap images. It can read and write images in a variety of formats (over + 200) including PNG, JPEG, GIF, HEIC, TIFF, DPX, EXR, WebP, Postscript, + PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, + shear and transform images, adjust image colors, apply various special + effects, or draw text, lines, polygons, ellipses and Bézier curves. + The functionality of ImageMagick is typically utilized from the command line or you can use the features from programs written in your favorite - programming language. Choose from these interfaces: G2F (Ada), MagickCore - (C), MagickWand (C), ChMagick (Ch), ImageMagickObject (COM+), Magick++ - (C++), JMagick (Java), L-Magick (Lisp), NMagick (Neko/haXe), MagickNet + language. Choose from these interfaces: G2F (Ada), MagickCore (C), + MagickWand (C), ChMagick (Ch), ImageMagickObject (COM+), Magick++ (C++), + JMagick (Java), L-Magick (Lisp), Lua, NMagick (Neko/haXe), Magick.NET (.NET), PascalMagick (Pascal), PerlMagick (Perl), MagickWand for PHP (PHP), IMagick (PHP), PythonMagick (Python), RMagick (Ruby), or TclMagick (Tcl/TK). With a language interface, use ImageMagick to modify or create images dynamically and automagically. + ImageMagick utilizes multiple computational threads to increase performance + and can read, process, or write mega-, giga-, or tera-pixel image sizes. + ImageMagick is free software delivered as a ready-to-run binary distribution - or as source code that you may freely use, copy, modify, and distribute in - both open and proprietary applications. It is distributed under an Apache - 2.0-style license, approved by the OSI. - + or as source code that you may use, copy, modify, and distribute in both open + and proprietary applications. It is distributed under the Apache 2.0 license. + The ImageMagick development process ensures a stable API and ABI. Before each ImageMagick release, we perform a comprehensive security assessment - that includes memory and thread error detection to help prevent exploits. + that includes memory error and thread data race detection to prevent + security vulnerabilities. -Features and Capabilities + ImageMagick is available from + https://www.imagemagick.org/script/download.php. It runs on Linux, Windows, + Mac Os X, iOS, Android OS, and others. - Here are just a few examples of what ImageMagick can do: + The authoritative ImageMagick web site is https://www.imagemagick.org. The + authoritative source code repository is https://github.com/ImageMagick. We + maintain a source code mirror at https://gitlab.com/ImageMagick. - * Format conversion: convert an image from one format to another (e.g. PNG - to JPEG). - * Transform: resize, rotate, crop, flip or trim an image. - * Transparency: render portions of an image invisible. - * Draw: add shapes or text to an image. - * Decorate: add a border or frame to an image. - * Special effects: blur, sharpen, threshold, or tint an image. - * Animation: create a GIF animation sequence from a group of images. - * Text & comments: insert descriptive or artistic text in an image. - * Image identification: describe the format and attributes of an image. - * Composite: overlap one image over another. - * Montage: juxtapose image thumbnails on an image canvas. - * Generalized pixel distortion: correct for, or induce image distortions - including perspective. - * Morphology of shapes: extract features, describe shapes and recognize - patterns in images. - * Motion picture support: read and write the common image formats used in - digital film work. - * Image calculator: apply a mathematical expression to an image or image - channels. - * Discrete Fourier transform: implements the forward and inverse DFT. - * High dynamic-range images: 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: convert ordinary images into - unintelligible gibberish and back again. - * Virtual pixel support: convenient access to pixels outside the image - region. - * Large image support: read, process, or write mega-, giga-, or tera-pixel - image sizes. - * Threads of execution support: ImageMagick is thread safe and most - internal algorithms are OpenMP-enabled to take advantage of speed-ups - offered by multicore processor chips. - * Heterogeneous distributed processing: certain algorithms are - OpenCL-enabled to take advantage of speed-ups offered by executing in - concert across heterogeneous platforms consisting of CPUs, GPUs, and - other processors. - * ImageMagick on the iPhone: convert, edit, or compose images on your - iPhone. +Features and Capabilities + + Here are just a few examples of what ImageMagick can do: + + * Format conversion: convert an image from one format to another (e.g. + PNG to JPEG). + * Transform: resize, rotate, deskew, crop, flip or trim an image. + * Transparency: render portions of an image invisible. + * Draw: add shapes or text to an image. + * Decorate: add a border or frame to an image. + * Special effects: blur, sharpen, threshold, or tint an image. + * Animation: create a GIF animation sequence from a group of images. + * Text & comments: insert descriptive or artistic text in an image. + * Image gradients: create a gradual blend of one color whose shape is + horizontal, vertical, circular, or ellipical. + * Image identification: describe the format and attributes of an image. + * Composite: overlap one image over another. + * Montage: juxtapose image thumbnails on an image canvas. + * Generalized pixel distortion: correct for, or induce image distortions + including perspective. + * Computer vision: Canny edge detection. + * Morphology of shapes: extract features, describe shapes and recognize + patterns in images. + * Motion picture support: read and write the common image formats used in + digital film work. + * Image calculator: apply a mathematical expression to an image or image + channels. + * Connected component labeling: uniquely label connected regions in an + image. + * Discrete Fourier transform: implements the forward and inverse DFT. + * Perceptual hash: 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: bidirectional text support and shaping. + * Color management: accurate color management with color profiles or in + lieu of-- built-in gamma compression or expansion as demanded by the + colorspace. + * High dynamic-range images: 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: convert ordinary images into + unintelligible gibberish and back again. + * Virtual pixel support: convenient access to pixels outside the image + region. + * Large image support: read, process, or write mega-, giga-, or + tera-pixel image sizes. + * Threads of execution support: ImageMagick is thread safe and most + internal algorithms are OpenMP-enabled to take advantage of speed-ups + offered by multicore processor chips. + * Distributed pixel cache: offload intermediate pixel storage to one or + more remote servers. + * Heterogeneous distributed processing: certain algorithms are + OpenCL-enabled to take advantage of speed-ups offered by executing in + concert across heterogeneous platforms consisting of CPUs, GPUs, and + other processors. + * ImageMagick on the iPhone: convert, edit, or compose images on your + iPhone or iPad. + Examples of ImageMagick Usage shows how to use ImageMagick from the command-line to accomplish any of these tasks and much more. Also, see Fred's ImageMagick Scripts: a plethora of command-line scripts that perform geometric transforms, blurs, sharpens, edging, noise removal, - and color manipulations. + and color manipulations. With Magick.NET, use ImageMagick without having + to install ImageMagick on your server or desktop. +