alfwatt / pdf2png

A small command line tool which renders pdf files into png files at various sizes, with presets for rendering icons for iOS, MacOS and Android

pdf2png

A small command line tool which renders pdf files into png files at various sizes, with presets for rendering icons for iOS, MacOS and Android

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sources

gitlab: https://gitlab.com/alfwatt/pdf2png
github: https://github.com/alfwatt/pdf2png

usage

usage: pdf2png -i <input.pdf> [-o <output-file-prefix>] [-s @,@2x,50,100x50,100@2x,400%]
    [-t ios|android-small|macos-small|android-large|ios-small|macos|ios-large|android|macos-large|retina]
    [-A Resources/Catalog.xcassets]

-i — input file name, a PDF document
-o — output file prefix, to which the size and .png will be appended
-s — a comma seperated array of output sizes
-t - a target group, which outputs a set of sizes suitable for icons
-A - path to xcassets catalog to add the produced images to

TODO Options

-a YES|NO — include alpha channel, YES or NO
-b 1|4|8|12 — bits per channel
-c GRAY|INDEX|RGB|LAB|CMYK — color model
-C x,y,w,h — crop to rectange 
-v - version info]
-V - verbose
-z — crush, generate the smallest PNG possible

sizes

Output sizes can be expressed in a number of formats:

@       - Original Size
@2x     - Retina Sizes
50      - Square Sizes (50x50)
100x50  - Rectangular Sizes
100@2x  - Square Retina Sizes (200,200)
400%   - Percentage Sizes
200w   - Fixed width, proportinate height
200h   - Fixed height, proportinate width

example

You have a logo for an application which is square, with large and small variants, that you want to render for both iOS and Android:

$ pdf2png -i app-logo-small.pdf -o app-logo -t ios-small

Is equivalent to:

$ pdf2png -i app-logo-small.pdf -o app-logo -s 29,29@2x,29@3x,40,40@2x,40@3x
pdf2png wrote [29 x 29] pixels to app-logo_29x29.png
pdf2png wrote [58 x 58] pixels to [email protected]
pdf2png wrote [87 x 87] pixels to [email protected]
pdf2png wrote [40 x 40] pixels to app-logo_40x40.png
pdf2png wrote [80 x 80] pixels to [email protected]
pdf2png wrote [120 x 120] pixels to [email protected]

To complete the set you can run:

$ pdf2png -i app-logo-small.pdf -o app-logo -t android-small
pdf2png wrote...

$ pdf2png -i app-logo-large.pdf -o app-logo -t ios-large
pdf2png wrote...

$ pdf2png -i app-logo-large.pdf -o app-logo -t android-large
pdf2png wrote...

installing

Use the Makefile to install in /usr/local/bin

make build
sudo make install

versions

1.0 - april 2016ish 1.1 + alpha channel support

--

The MIT License (MIT)

Copyright (c) 2015-2018 Alf Watt

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.