82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
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package main
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import (
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"os"
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"github.com/veandco/go-sdl2/sdl"
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"github.com/veandco/go-sdl2/ttf"
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)
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const (
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fontPath = "../../assets/test.ttf"
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fontSize = 32
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)
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func run() (err error) {
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var window *sdl.Window
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var font *ttf.Font
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var surface *sdl.Surface
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var text *sdl.Surface
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if err = ttf.Init(); err != nil {
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return
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}
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defer ttf.Quit()
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if err = sdl.Init(sdl.INIT_VIDEO); err != nil {
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return
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}
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defer sdl.Quit()
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// Create a window for us to draw the text on
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if window, err = sdl.CreateWindow("Drawing text", sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, 800, 600, sdl.WINDOW_SHOWN); err != nil {
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return
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}
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defer window.Destroy()
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if surface, err = window.GetSurface(); err != nil {
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return
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}
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// Load the font for our text
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if font, err = ttf.OpenFont(fontPath, fontSize); err != nil {
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return
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}
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defer font.Close()
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// Create a red text with the font
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if text, err = font.RenderUTF8Blended("Hello, World!", sdl.Color{R: 255, G: 0, B: 0, A: 255}); err != nil {
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return
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}
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defer text.Free()
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// Draw the text around the center of the window
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if err = text.Blit(nil, surface, &sdl.Rect{X: 400 - (text.W / 2), Y: 300 - (text.H / 2), W: 0, H: 0}); err != nil {
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return
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}
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// Update the window surface with what we have drawn
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window.UpdateSurface()
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// Run infinite loop until user closes the window
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running := true
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for running {
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for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
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switch event.(type) {
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case *sdl.QuitEvent:
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running = false
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}
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}
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sdl.Delay(16)
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}
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return
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}
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func main() {
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if err := run(); err != nil {
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os.Exit(1)
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}
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}
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