Add image_text example

examples/textures/image_text/main.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"github.com/gen2brain/raylib-go/raylib"
+)
+
+func main() {
+	screenWidth := int32(800)
+	screenHeight := int32(450)
+
+	raylib.InitWindow(screenWidth, screenHeight, "raylib [textures] example - image text drawing")
+
+	// TTF SpriteFont loading with custom generation parameters
+	var fontChars int32
+	font := raylib.LoadSpriteFontEx("fonts/KAISG.ttf", 64, 0, &fontChars)
+
+	parrots := raylib.LoadImage("parrots.png") // Load image in CPU memory (RAM)
+
+	// Draw over image using custom font
+	raylib.ImageDrawTextEx(parrots, raylib.NewVector2(20, 20), font, "[Parrots font drawing]", float32(font.BaseSize), 0, raylib.White)
+
+	texture := raylib.LoadTextureFromImage(parrots) // Image converted to texture, uploaded to GPU memory (VRAM)
+
+	raylib.UnloadImage(parrots) // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
+
+	position := raylib.NewVector2(float32(screenWidth)/2-float32(texture.Width)/2, float32(screenHeight)/2-float32(texture.Height)/2-20)
+
+	showFont := false
+
+	raylib.SetTargetFPS(60)
+
+	for !raylib.WindowShouldClose() {
+		if raylib.IsKeyDown(raylib.KeySpace) {
+			showFont = true
+		} else {
+			showFont = false
+		}
+
+		raylib.BeginDrawing()
+
+		raylib.ClearBackground(raylib.RayWhite)
+
+		if !showFont {
+			// Draw texture with text already drawn inside
+			raylib.DrawTextureV(texture, position, raylib.White)
+
+			// Draw text directly using sprite font
+			raylib.DrawTextEx(font, "[Parrots font drawing]", raylib.NewVector2(position.X+20, position.Y+20+280), float32(font.BaseSize), 0, raylib.White)
+		} else {
+			raylib.DrawTexture(font.Texture, screenWidth/2-font.Texture.Width/2, 50, raylib.Black)
+		}
+
+		raylib.DrawText("PRESS SPACE to SEE USED SPRITEFONT ", 290, 420, 10, raylib.DarkGray)
+
+		raylib.EndDrawing()
+	}
+
+	raylib.UnloadTexture(texture)
+	raylib.UnloadSpriteFont(font)
+
+	raylib.CloseWindow()
+}