Endre Simo esimov
esimov
/ triangle.go
Last active
July 6, 2022 11:22
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| 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
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| 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
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| 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
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| // 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
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| 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
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| draw.DrawMask(source.(*image.NRGBA), source.Bounds(), ellipse, image.Point{}, mask, image.Point{}, draw.Over) |
esimov
/ index.html
Created
July 4, 2022 09:28
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| <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) |
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| ifeq ($(OS),Windows_NT) | |
| BROWSER = start | |
| else | |
| UNAME := $(shell uname -s) | |
| ifeq ($(UNAME), Linux) | |
| BROWSER = xdg-open | |
| endif | |
| ifeq ($(UNAME), Darwin) | |
| BROWSER = open | |
| endif |
esimov
/ wasm_webcam.go
Last active
July 4, 2022 09:32
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| // +build js,wasm | |
| package main | |
| import ( | |
| "fmt" | |
| "github.com/esimov/pigo/wasm/canvas" | |
| ) |
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| package main | |
| import ( | |
| "fmt" | |
| "log" | |
| "math/rand" | |
| "os" | |
| "runtime" | |
| "strconv" | |
| "time" |
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