text: /*******************************************************************************************
  *
  *   raylib [shapes] example - draw rectangle rounded (with gui options)
  *
  *   This example has been created using raylib 2.5 (www.raylib.com)
  *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
  *
  *   Example contributed by Vlad Adrian (@demizdor) and reviewed by Ramon Santamaria (@raysan5)
  *
  *   Copyright (c) 2018 Vlad Adrian (@demizdor) and Ramon Santamaria (@raysan5)
  *
  ********************************************************************************************/
  
  #include <raylib.h>
  
  #define RAYGUI_IMPLEMENTATION
  #include "raygui.h"                 // Required for GUI controls
  
  int main(void)
  {
      // Initialization
      //--------------------------------------------------------------------------------------
      const int screenWidth = 800;
      const int screenHeight = 450;
  
      InitWindow(screenWidth, screenHeight, "raylib [shapes] example - draw rectangle rounded");
  
      float roundness = 0.2f;
      int width = 200;
      int height = 100;
      int segments = 0;
      int lineThick = 1;
  
      bool drawRect = false;
      bool drawRoundedRect = true;
      bool drawRoundedLines = false;
  
      SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
      //--------------------------------------------------------------------------------------
  
      // Main game loop
      while (!WindowShouldClose())    // Detect window close button or ESC key
      {
          // Update
          //----------------------------------------------------------------------------------
          Rectangle rec = { (GetScreenWidth() - width - 250)/2, (GetScreenHeight() - height)/2, width, height };
          //----------------------------------------------------------------------------------
  
          // Draw
          //----------------------------------------------------------------------------------
          BeginDrawing();
  
              ClearBackground(RAYWHITE);
  
              DrawLine(560, 0, 560, GetScreenHeight(), Fade(LIGHTGRAY, 0.6f));
              DrawRectangle(560, 0, GetScreenWidth() - 500, GetScreenHeight(), Fade(LIGHTGRAY, 0.3f));
  
              if (drawRect) DrawRectangleRec(rec, Fade(GOLD, 0.6));
              if (drawRoundedRect) DrawRectangleRounded(rec, roundness, segments, Fade(MAROON, 0.2));
              if (drawRoundedLines) DrawRectangleRoundedLines(rec,roundness, segments, lineThick, Fade(MAROON, 0.4));
  
              // Draw GUI controls
              //------------------------------------------------------------------------------
              width = GuiSliderBar((Rectangle){ 640, 40, 105, 20 }, "Width", NULL, width, 0, GetScreenWidth() - 300);
              height = GuiSliderBar((Rectangle){ 640, 70, 105, 20 }, "Height", NULL, height, 0, GetScreenHeight() - 50);
              roundness = GuiSliderBar((Rectangle){ 640, 140, 105, 20 }, "Roundness", NULL, roundness, 0.0f, 1.0f);
              lineThick = GuiSliderBar((Rectangle){ 640, 170, 105, 20 }, "Thickness", NULL, lineThick, 0, 20);
              segments = GuiSliderBar((Rectangle){ 640, 240, 105, 20}, "Segments", NULL, segments, 0, 60);
  
              drawRoundedRect = GuiCheckBox((Rectangle){ 640, 320, 20, 20 }, "DrawRoundedRect", drawRoundedRect);
              drawRoundedLines = GuiCheckBox((Rectangle){ 640, 350, 20, 20 }, "DrawRoundedLines", drawRoundedLines);
              drawRect = GuiCheckBox((Rectangle){ 640, 380, 20, 20}, "DrawRect", drawRect);
              //------------------------------------------------------------------------------
  
              DrawText(TextFormat("MODE: %s", (segments >= 4)? "MANUAL" : "AUTO"), 640, 280, 10, (segments >= 4)? MAROON : DARKGRAY);
  
              DrawFPS(10, 10);
  
          EndDrawing();
          //----------------------------------------------------------------------------------
      }
  
      // De-Initialization
      //--------------------------------------------------------------------------------------
      CloseWindow();        // Close window and OpenGL context
      //--------------------------------------------------------------------------------------
  
      return 0;
  }
  