--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/old_tests/test_font.nim	Mon Jul 15 20:06:42 2024 +0700
@@ -0,0 +1,79 @@
+import std/times
+import std/unicode
+
+import semicongine
+
+
+proc main() =
+  # setup engine
+  var engine = InitEngine("Test fonts")
+  engine.InitRenderer([])
+
+  # build scene
+  var scene = Scene(name: "main")
+  var font = LoadFont("DejaVuSans.ttf", lineHeightPixels = 210'f32)
+  var origin = InitPanel(transform = Scale(0.01, 0.01))
+  var main_text = font.InitText("".toRunes, maxLen = 255, color = NewVec4f(1, 0.15, 0.15, 1), maxWidth = 1.0, transform = Scale(0.0005, 0.0005))
+  var help_text = font.InitText("""Controls
+
+Horizontal alignment:
+  F1: Left
+  F2: Center
+  F3: Right
+Vertical alignment:
+  F4: Top
+  F5: Center
+  F6: Bottom""".toRunes, horizontalAlignment = Left, verticalAlignment = Top, transform = Translate(-0.9, -0.9) * Scale(0.0002, 0.0002))
+  scene.Add origin
+  scene.Add main_text
+  scene.Add help_text
+  engine.LoadScene(scene)
+  mixer[].LoadSound("key", "key.ogg")
+  mixer[].SetLevel(0.5)
+
+  while engine.UpdateInputs() and not KeyIsDown(Escape):
+    var t = cpuTime()
+    main_text.Color = NewVec4f(sin(t) * 0.5 + 0.5, 0.15, 0.15, 1)
+
+    # add character
+    if main_text.text.len < main_text.maxLen - 1:
+      for c in [Key.A, Key.B, Key.C, Key.D, Key.E, Key.F, Key.G, Key.H, Key.I,
+          Key.J, Key.K, Key.L, Key.M, Key.N, Key.O, Key.P, Key.Q, Key.R, Key.S,
+          Key.T, Key.U, Key.V, Key.W, Key.X, Key.Y, Key.Z]:
+        if KeyWasPressed(c):
+          discard mixer[].Play("key")
+          if KeyIsDown(ShiftL) or KeyIsDown(ShiftR):
+            main_text.text = main_text.text & ($c).toRunes
+          else:
+            main_text.text = main_text.text & ($c).toRunes[0].toLower()
+      if KeyWasPressed(Enter):
+        discard mixer[].Play("key")
+        main_text.text = main_text.text & Rune('\n')
+      if KeyWasPressed(Space):
+        discard mixer[].Play("key")
+        main_text.text = main_text.text & Rune(' ')
+
+    # remove character
+    if KeyWasPressed(Backspace) and main_text.text.len > 0:
+      discard mixer[].Play("key")
+      main_text.text = main_text.text[0 ..< ^1]
+
+    # alignemtn with F-keys
+    if KeyWasPressed(F1): main_text.horizontalAlignment = Left
+    elif KeyWasPressed(F2): main_text.horizontalAlignment = Center
+    elif KeyWasPressed(F3): main_text.horizontalAlignment = Right
+    elif KeyWasPressed(F4): main_text.verticalAlignment = Top
+    elif KeyWasPressed(F5): main_text.verticalAlignment = Center
+    elif KeyWasPressed(F6): main_text.verticalAlignment = Bottom
+
+    origin.Refresh()
+    main_text.text = main_text.text & Rune('_')
+    main_text.Refresh()
+    main_text.text = main_text.text[0 ..< ^1]
+    help_text.Refresh()
+    engine.RenderScene(scene)
+  engine.Destroy()
+
+
+when isMainModule:
+  main()