67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package main
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import (
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"image/png"
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"os"
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"github.com/gen2brain/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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raylib.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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raylib.TraceLog(raylib.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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raylib.TraceLog(raylib.LogError, err.Error())
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}
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// Create raylib.Image from Go image.Image and create texture
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im := raylib.NewImageFromImage(img)
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texture := raylib.LoadTextureFromImage(im)
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// Unload CPU (RAM) image data
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raylib.UnloadImage(im)
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raylib.SetTargetFPS(60)
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for !raylib.WindowShouldClose() {
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if raylib.IsKeyPressed(raylib.KeyS) {
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rimg := raylib.GetTextureData(texture)
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f, err := os.Create("image_saved.png")
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if err != nil {
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raylib.TraceLog(raylib.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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raylib.TraceLog(raylib.LogError, err.Error())
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}
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f.Close()
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}
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raylib.BeginDrawing()
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raylib.ClearBackground(raylib.RayWhite)
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raylib.DrawText("PRESS S TO SAVE IMAGE FROM TEXTURE", 20, 20, 12, raylib.LightGray)
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raylib.DrawTexture(texture, screenWidth/2-texture.Width/2, screenHeight/2-texture.Height/2, raylib.White)
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raylib.DrawText("this IS a texture loaded from an image.Image!", 285, 370, 10, raylib.Gray)
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raylib.EndDrawing()
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}
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raylib.UnloadTexture(texture)
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raylib.CloseWindow()
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}
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