window with sdl2 and texture golang

window with sdl2 and texture golang

package main

import (
	"github.com/veandco/go-sdl2/sdl"
	"github.com/veandco/go-sdl2/sdl_image"
	"fmt"
)

const(
	SCREEN_WIDTH int  = 1440
	SCREEN_HEIGHT int = 900
)

var bmp string = "123.jpg"


func main(){
	sdl.Init(sdl.INIT_EVERYTHING)
	window, err:= sdl.CreateWindow("Gudzilla Power", sdl.WINDOWPOS_CENTERED, sdl.WINDOWPOS_CENTERED, SCREEN_WIDTH, SCREEN_HEIGHT, sdl.WINDOW_SHOWN)

	if err != nil {
		panic(err)
	}
	renderer, render_error := sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
	img, img_error := img.Load(bmp)
	if img_error != nil {
		fmt.Println(img_error)
	}
	tex, tex_err := renderer.CreateTextureFromSurface(img)
	renderer.Clear()
	renderer.Copy(tex, nil, nil)
	renderer.Present()
	sdl.Delay(1000)
	if tex_err != nil {
		panic(tex_err)
	}
	if img_error != nil {
		panic(img_error)
	}

	if render_error != nil {
		panic(render_error)
	}
	
	fmt.Scanln()
	img.Free()
	cleanup(renderer, tex, window)
	sdl.Quit()
}


func cleanup(renderer *sdl.Renderer, texture *sdl.Texture, window sdl.Window){
	texture.Destroy()
	renderer.Destroy()
	window.Destroy()
}