程式語言 - Golang - SDL 2.0 - Rotate Text

參考資訊：
https://github.com/veandco/go-sdl2
https://github.com/veandco/go-sdl2-examples
https://pkg.go.dev/github.com/veandco/go-sdl2#section-readme

初始化

$ go version
    go version go1.24.4 linux/amd64

$ go mod init main

main.go

package main
  
import (
    "github.com/veandco/go-sdl2/sdl"
    "github.com/veandco/go-sdl2/gfx"
)
  
func main() {
    var window *sdl.Window
    var renderer *sdl.Renderer
  
    sdl.Init(sdl.INIT_EVERYTHING);
    defer sdl.Quit()
  
    window, _ = sdl.CreateWindow("main", 0, 0, 320, 240, sdl.WINDOW_SHOWN);
    defer window.Destroy()
  
    renderer, _ = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED);
    renderer.Clear()
    defer renderer.Destroy()
 
    gfx.SetFontRotation(135) 
    gfx.StringColor(renderer, 100, 100, "Hello, world!", sdl.Color{R:255, G:255, B:255, A:255})
    renderer.Present()
    sdl.Delay(3000)
}

執行

$ go mod tidy
$ go run -v main.go