Endre Simo esimov

Software developer

esimov / triangle.go

Last active July 6, 2022 11:22

	c.processor = &triangle.Processor{
	BlurRadius: 2,
	Noise: 0,
	BlurFactor: 2,
	EdgeFactor: 4,
	PointRate: c.pointRate,
	MaxPoints: c.trianglePoints,
	PointsThreshold: c.pointsThreshold,
	Wireframe: c.wireframe,
	StrokeWidth: c.strokeWidth,

esimov / uint8arr_to_uint8clamped.go

Created July 6, 2022 08:45

	uint8Arr := js.Global().Get("Uint8Array").New(width * height * 4)
	js.CopyBytesToJS(uint8Arr2, pixels.ImgToPix(blurred))

	uint8Clamped := js.Global().Get("Uint8ClampedArray").New(uint8Arr2)
	rawData := js.Global().Get("ImageData").New(uint8Clamped, width, height)

	c.ctx.Call("putImageData", rawData, 0, 0)

esimov / uint8clamped_2_uint8arr.go

Last active July 6, 2022 08:43

	rgba := c.ctx.Call("getImageData", 0, 0, width, height).Get("data")

	// Convert the rgba value of type Uint8ClampedArray to Uint8Array in order to
	// be able to transfer it from Javascript to Go via the js.CopyBytesToGo function.
	uint8Arr := js.Global().Get("Uint8Array").New(rgba)
	js.CopyBytesToGo(data, uint8Arr)

esimov / img_conversion.go

Created July 6, 2022 08:16

	// ImgToPix converts an image to an 1D uint8 pixel array.
	// In order to preserve the color information per pixel we need to reconstruct the array to a specific format.
	func ImgToPix(src *image.NRGBA) []uint8 {
	size := src.Bounds().Size()
	width, height := size.X, size.Y
	pixels := make([][][3]uint8, height)

	for y := 0; y < height; y++ {
	row := make([][3]uint8, width)
	for x := 0; x < width; x++ {

esimov / ellipse.go

Created July 5, 2022 07:24

	package draw

	import (
	"image"
	"image/color"
	)

	// ellipse defines the struct components required to apply the ellipse's formula.
	type ellipse struct {
	cx int // center x

esimov / draw_mask.go

Last active July 4, 2022 14:51

draw.DrawMask(source.(*image.NRGBA), source.Bounds(), ellipse, image.Point{}, mask, image.Point{}, draw.Over)

esimov / index.html

Created July 4, 2022 09:28

	<html>
	<head>
	<meta charset="utf-8" />
	<script src="js/wasm_exec.js"></script>
	<script type="text/javascript">
	function fetchAndInstantiate(url, importObject) {
	return fetch(url).then(response =>
	response.arrayBuffer()
	).then(bytes =>
	WebAssembly.instantiate(bytes, importObject)

esimov / Makefile

Last active July 4, 2022 09:29

esimov / wasm_webcam.go

Last active July 4, 2022 09:32

	// +build js,wasm

	package main

	import (
	"fmt"

	"github.com/esimov/pigo/wasm/canvas"
	)

esimov / caire_batch.go

Created July 2, 2019 09:55

Resize multiple images with Caire.