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Matthew Abrman abrman

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Just your average coder working at a civil engineering firm.

abrman / Svelte_tutorial.md

Last active December 23, 2021 15:36

Svelte tutorial notes - cheatsheet

If-else

{#if x > 10}
	{x} is too large!
{:else if 5 > x}
	{x} is perfect
{:else}

abrman / ffmpeg_burn_subs.command

Created June 20, 2021 19:49

ffmpeg add srt to video file with solid black subtitle background

	# Adds subtitles.srt to video.mp4 as solid black background, and saves as subbed_video.mp4
	# via: https://stackoverflow.com/questions/25870169/how-to-set-background-to-subtitle-in-ffmpeg

	# Options:
	# OutlineContour=&AARRGGBB - [Alpha, Red, Green, Blue], Change Alpha value for semi-transparent background
	# Outline=3 - Specifies the padding for the background rectangle.
	ffmpeg -i video.mp4 -filter_complex "subtitles=subtitles.srt:force_style='OutlineColour=&000000000,BorderStyle=3,Outline=3,Shadow=0,MarginV=20'" subbed_video.mp4

abrman / hex_color_mix.php

Last active March 3, 2019 13:43

Simple hex color mixer in PHP

	<?php
	function lerp($min, $max, $value) { return $min(1-$value)+$max$value; }
	function mixColors($colorA, $colorB, $factor){

	// Assign R, G and B values for each color
	list($aR, $aG, $aB) = sscanf($colorA, "#%02x%02x%02x");
	list($bR, $bG, $bB) = sscanf($colorB, "#%02x%02x%02x");

	// put the colors back together in hex color format with the mixed value
	return sprintf("#%02x%02x%02x",