67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package main
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import (
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"image/png"
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"os"
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rl "git.terah.dev/UnrealXR/raylib-go/raylib"
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)
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func main() {
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screenWidth := int32(800)
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screenHeight := int32(450)
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rl.InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture from image.Image")
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r, err := os.Open("raylib_logo.png")
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if err != nil {
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rl.TraceLog(rl.LogError, err.Error())
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}
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defer r.Close()
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img, err := png.Decode(r)
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if err != nil {
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rl.TraceLog(rl.LogError, err.Error())
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}
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// Create rl.Image from Go image.Image and create texture
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im := rl.NewImageFromImage(img)
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texture := rl.LoadTextureFromImage(im)
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// Unload CPU (RAM) image data
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rl.UnloadImage(im)
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rl.SetTargetFPS(60)
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for !rl.WindowShouldClose() {
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if rl.IsKeyPressed(rl.KeyS) {
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rimg := rl.LoadImageFromTexture(texture)
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f, err := os.Create("image_saved.png")
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if err != nil {
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rl.TraceLog(rl.LogError, err.Error())
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}
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err = png.Encode(f, rimg.ToImage())
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if err != nil {
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rl.TraceLog(rl.LogError, err.Error())
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}
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f.Close()
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}
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rl.BeginDrawing()
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rl.ClearBackground(rl.RayWhite)
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rl.DrawText("PRESS S TO SAVE IMAGE FROM TEXTURE", 20, 20, 12, rl.LightGray)
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rl.DrawTexture(texture, screenWidth/2-texture.Width/2, screenHeight/2-texture.Height/2, rl.White)
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rl.DrawText("this IS a texture loaded from an image.Image!", 285, 370, 10, rl.Gray)
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rl.EndDrawing()
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}
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rl.UnloadTexture(texture)
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rl.CloseWindow()
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}
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