Imagicを理解する17 oct 2022に出たImagicという技術について、ペーパーとソースを見比べながら説明します。
ImageMagickでPDFからサムネイル生成〜convertコマンドでページ指定する方法〜 - 半端な日記
・ImageMagickとghostscript（convertコマンド） ImageMagickとghostscriptでPDFのサムネイルを作成するには convert input.pdf output.jpg のようにconvertコマンドを使用して生成できます。 このコマンドでは例えばpdfが3ページあった場合 output-0.jpg、output-1.jpg、output-2.jpg の３つのファイルが作成されます。 ただ、実際にはすべてのページのサムネイルは必要ない場面があると思います。 そこで、PDFの1ページ目のみ指定してサムネイル変換を行いたい場合は convert input.pdf[0] output.jpg のように、入力となるファイル名の後ろにページ番号を指定してやります。 そうすると、 output.jpg にinput.pdfの1ページ目のみのサムネイルが出
GitHub - yamac/smalllight: The SMALLLIGHT is a module of Apache2 which provides a dynamic image transformation.
mod_small_light - Dynamic image transformation module for Apache2 ============================================================================== The mod_small_light provides a dynamic image transformation. Build Environment ----------------- Supported Platforms: GNU/Linux, and other operating systems support GCC. Build ----- Simply run the configure script with --with-apxs option for analyzing you
Ruby/GD2 - Home
Ruby/GD2 is a Ruby interface to Thomas Boutell’s gd 2 graphics library. Using Ruby/GD2, you can write Ruby code like this: require 'gd2' include GD2 image = Image.import('image.png') image.resize! 200, 300 image.draw do |pen| pen.color = image.palette.resolve Color[1.0, 0.75, 0.5] pen.thickness = 2 pen.move_to 25, 50 pen.line_to 175, 50 pen.move -150, 25 pen.font = Font::TrueType['/usr/share/fonts
ImageScience
ImageScience is a clean and happy Ruby library that generates thumbnails -- and kicks the living crap out of RMagick. Oh, and it doesn't leak memory like a sieve. :) Features: Small and Clean! 194 glorious lines of graphics manipulation magi... errr, SCIENCE! Supports both square and proportional thumbnails. Pretty much any graphics format you could want. No really. Synopsis: ImageScience.with_ima
The FreeImage Project
What is FreeImage? FreeImage is an Open Source library project for developers who would like to support popular graphics image formats like PNG, BMP, JPEG, TIFF and others as needed by today's multimedia applications. FreeImage is easy to use, fast, multithreading safe, compatible with all 32-bit or 64-bit versions of Windows, and cross-platform (works both with Linux and Mac OS X). read more... N
Pablotron: Imlib2-Ruby
Imlib2 bindings for Ruby, written with the help of these people. The online API reference is available here, and you can view a sample script here. Example Scripts: checkerboard.rb [ output ] test_font.rb [ input ] [ output ] Latest: Download Imlib2-Ruby 0.5.2 (Signature) Download Imlib2-Ruby 0.5.2 (gem) (Signature) View the Online API Reference Read the ChangeLog Older: Download Imlib2-R
Imlib2: Imlib2 Library Documentation
Version:1.1.1 Author:Carsten Haitzler <raster@rasterman.com> Date:1999-2004 What is Imlib2 ? Imlib 2 is the successor to Imlib. It is NOT a newer version - it is a completely new library. Imlib 2 can be installed alongside Imlib 1.x without any problems since they are effectively different libraries - BUT they Have very similar functionality. Imlib 2 does the following: Load image files from disk
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