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package main
import (
"image"
"image/color"
"image/png"
"os"
)
// Pixel contains color between 0 and 255
type Pixel struct {
r, g, b int
}
// Frame contains image data
type Frame [Height][Width]Pixel
// Save saves frame to PPM file
func (frame Frame) Save(filename string) {
upLeft, bottomRight := image.Point{0, 0}, image.Point{Width, Height}
image := image.NewRGBA(image.Rectangle{upLeft, bottomRight})
for x, row := range frame {
for y, pixel := range row {
color := color.RGBA{uint8(pixel.r), uint8(pixel.g), uint8(pixel.b), 0xff}
image.Set(y, x, color)
}
}
f, _ := os.Create(filename)
defer f.Close()
png.Encode(f, image)
}
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