62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
package main
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import (
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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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rl.InitWindow(screenWidth, screenHeight, "raylib [textures] example - image text drawing")
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// TTF Font loading with custom generation parameters
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var fontChars int32
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font := rl.LoadFontEx("fonts/KAISG.ttf", 64, 0, &fontChars)
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parrots := rl.LoadImage("parrots.png") // Load image in CPU memory (RAM)
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// Draw over image using custom font
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rl.ImageDrawTextEx(parrots, rl.NewVector2(20, 20), font, "[Parrots font drawing]", float32(font.BaseSize), 0, rl.White)
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texture := rl.LoadTextureFromImage(parrots) // Image converted to texture, uploaded to GPU memory (VRAM)
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rl.UnloadImage(parrots) // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
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position := rl.NewVector2(float32(screenWidth)/2-float32(texture.Width)/2, float32(screenHeight)/2-float32(texture.Height)/2-20)
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showFont := false
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rl.SetTargetFPS(60)
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for !rl.WindowShouldClose() {
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if rl.IsKeyDown(rl.KeySpace) {
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showFont = true
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} else {
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showFont = false
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}
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rl.BeginDrawing()
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rl.ClearBackground(rl.RayWhite)
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if !showFont {
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// Draw texture with text already drawn inside
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rl.DrawTextureV(texture, position, rl.White)
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// Draw text directly using sprite font
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rl.DrawTextEx(font, "[Parrots font drawing]", rl.NewVector2(position.X+20, position.Y+20+280), float32(font.BaseSize), 0, rl.White)
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} else {
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rl.DrawTexture(font.Texture, screenWidth/2-font.Texture.Width/2, 50, rl.Black)
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}
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rl.DrawText("PRESS SPACE to SEE USED SPRITEFONT ", 290, 420, 10, rl.DarkGray)
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rl.EndDrawing()
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}
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rl.UnloadTexture(texture)
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rl.UnloadFont(font)
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rl.CloseWindow()
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}
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