static void Main()
{
Window.CreateWindow("OpenGL UI: Example 3", 1280, 720);
// add a reshape callback to update the UI
Window.OnReshapeCallbacks.Add(() => OpenGL.UI.UserInterface.OnResize(Window.Width, Window.Height));
// add a close callback to make sure we dispose of everything properly
Window.OnCloseCallbacks.Add(OnClose);
// enable depth testing to ensure correct z-ordering of our fragments
Gl.Enable(EnableCap.DepthTest);
Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// initialize the user interface
OpenGL.UI.UserInterface.InitUI(Window.Width, Window.Height);
// create some centered text
OpenGL.UI.Text selectText = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._16pt, "Pick A Color:", OpenGL.UI.BMFont.Justification.Center);
selectText.Position = new Point(0, 80);
selectText.RelativeTo = OpenGL.UI.Corner.Center;
// add the two text object to the UI
OpenGL.UI.UserInterface.AddElement(selectText);
// create the color picker itself
OpenGL.UI.ColorGradient gradient = new OpenGL.UI.ColorGradient();
gradient.RelativeTo = OpenGL.UI.Corner.Center;
gradient.Position = new Point(-20, 0);
gradient.OnColorChange = (sender, e) => selectText.Color = gradient.Color;
// and create a hue slider that can control the types of colors shown in the color picker
OpenGL.UI.HueGradient hue = new OpenGL.UI.HueGradient();
hue.RelativeTo = OpenGL.UI.Corner.Center;
hue.Position = new Point(80, 0);
// add the color picker and its hue slider to the UI
OpenGL.UI.UserInterface.AddElement(gradient);
OpenGL.UI.UserInterface.AddElement(hue);
// subscribe the escape event using the OpenGL.UI class library
Input.Subscribe((char)27, Window.OnClose);
// make sure to set up mouse event handlers for the window
Window.OnMouseCallbacks.Add(OpenGL.UI.UserInterface.OnMouseClick);
Window.OnMouseMoveCallbacks.Add(OpenGL.UI.UserInterface.OnMouseMove);
while (true)
{
Window.HandleEvents();
OnRenderFrame();
}
}
static void Main()
{
Window.CreateWindow("OpenGL UI: Example 5", 1280, 720);
// add a reshape callback to update the UI
Window.OnReshapeCallbacks.Add(() => OpenGL.UI.UserInterface.OnResize(Window.Width, Window.Height));
// add a close callback to make sure we dispose of everything properly
Window.OnCloseCallbacks.Add(OnClose);
// enable depth testing to ensure correct z-ordering of our fragments
Gl.Enable(EnableCap.DepthTest);
Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// initialize the user interface
OpenGL.UI.UserInterface.InitUI(Window.Width, Window.Height);
// create a slider with a specified texture
sliderTexture = new Texture("data/slider.png");
OpenGL.UI.Slider slider = new OpenGL.UI.Slider(sliderTexture);
slider.RelativeTo = OpenGL.UI.Corner.Center;
slider.BackgroundColor = new Vector4(0.1f, 0.1f, 0.1f, 1f);
slider.LockToSteps = true;
// create some text that will change with the slider position
OpenGL.UI.Text text = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._16pt, "Value: 0");
text.RelativeTo = OpenGL.UI.Corner.Center;
text.Position = new Point(120, -text.TextSize.Y / 2);
slider.OnValueChanged = (sender, e) => text.String = string.Format("Value: {0}", slider.Value);
// add both the slider and text controls to the UI
OpenGL.UI.UserInterface.AddElement(slider);
OpenGL.UI.UserInterface.AddElement(text);
// subscribe the escape event using the OpenGL.UI class library
Input.Subscribe((char)27, Window.OnClose);
// make sure to set up mouse event handlers for the window
Window.OnMouseCallbacks.Add(OpenGL.UI.UserInterface.OnMouseClick);
Window.OnMouseMoveCallbacks.Add(OpenGL.UI.UserInterface.OnMouseMove);
while (Window.Open)
{
Window.HandleEvents();
OnRenderFrame();
}
}
static void Main()
{
Window.CreateWindow("OpenGL UI: Example 9", 1280, 720);
// add a reshape callback to update the UI
Window.OnReshapeCallbacks.Add(() => OpenGL.UI.UserInterface.OnResize(Window.Width, Window.Height));
// add a close callback to make sure we dispose of everything properly
Window.OnCloseCallbacks.Add(OnClose);
// enable depth testing to ensure correct z-ordering of our fragments
Gl.Enable(EnableCap.DepthTest);
Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// initialize the user interface
OpenGL.UI.UserInterface.InitUI(Window.Width, Window.Height);
OpenGL.UI.Text text = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._16pt, "Type Something:");
text.RelativeTo = OpenGL.UI.Corner.Center;
text.Position = new Point(-260, -10);
// create a text input control
OpenGL.UI.TextInput textInput = new OpenGL.UI.TextInput(OpenGL.UI.BMFont.LoadFont("fonts/font16.fnt"));
textInput.Size = new Point(300, 20);
textInput.Position = new Point(50, 0);
textInput.RelativeTo = OpenGL.UI.Corner.Center;
textInput.BackgroundColor = new Vector4(0.3f, 0.3f, 0.3f, 1.0f);
// add the text input control to the user interface
OpenGL.UI.UserInterface.AddElement(textInput);
OpenGL.UI.UserInterface.AddElement(text);
// subscribe the escape event using the OpenGL.UI class library
Input.Subscribe((char)27, Window.OnClose);
// make sure to set up mouse event handlers for the window
Window.OnMouseCallbacks.Add(OpenGL.UI.UserInterface.OnMouseClick);
Window.OnMouseMoveCallbacks.Add(OpenGL.UI.UserInterface.OnMouseMove);
while (Window.Open)
{
Window.HandleEvents();
OnRenderFrame();
}
}
static void Main()
{
Window.CreateWindow("OpenGL UI: Example 1", 1280, 720);
// add a reshape callback to update the UI
Window.OnReshapeCallbacks.Add(() => OpenGL.UI.UserInterface.OnResize(Window.Width, Window.Height));
// add a close callback to make sure we dispose of everything properly
Window.OnCloseCallbacks.Add(OnClose);
// enable depth testing to ensure correct z-ordering of our fragments
Gl.Enable(EnableCap.DepthTest);
Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// initialize the user interface
OpenGL.UI.UserInterface.InitUI(Window.Width, Window.Height);
// create some centered text
OpenGL.UI.Text welcome = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._24pt, "Welcome to OpenGL", OpenGL.UI.BMFont.Justification.Center);
welcome.RelativeTo = OpenGL.UI.Corner.Center;
// create some colored text
OpenGL.UI.Text coloredText = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._24pt, "using C#", OpenGL.UI.BMFont.Justification.Center);
coloredText.Position = new Point(0, -30);
coloredText.Color = new Vector3(0.2f, 0.3f, 1f);
coloredText.RelativeTo = OpenGL.UI.Corner.Center;
// add the two text object to the UI
OpenGL.UI.UserInterface.AddElement(welcome);
OpenGL.UI.UserInterface.AddElement(coloredText);
// subscribe the escape event using the OpenGL.UI class library
Input.Subscribe((char)27, Window.OnClose);
// make sure to set up mouse event handlers for the window
Window.OnMouseCallbacks.Add(OpenGL.UI.UserInterface.OnMouseClick);
Window.OnMouseMoveCallbacks.Add(OpenGL.UI.UserInterface.OnMouseMove);
while (Window.Open)
{
Window.HandleEvents();
OnRenderFrame();
}
}
static void Main()
{
// create an OpenGL window
Glut.glutInit();
Glut.glutInitDisplayMode(Glut.GLUT_DOUBLE | Glut.GLUT_DEPTH);
Glut.glutInitWindowSize(width, height);
Glut.glutCreateWindow("OpenGL UI: Example 1");
// provide the Glut callbacks that are necessary for running this tutorial
Glut.glutIdleFunc(OnRenderFrame);
Glut.glutDisplayFunc(() => { }); // only here for mac os x
Glut.glutCloseFunc(OnClose);
Glut.glutMouseFunc(OnMouseClick);
Glut.glutMotionFunc(OnMouseMove);
Glut.glutPassiveMotionFunc(OnMouseMove);
Glut.glutReshapeFunc(OnResize);
Glut.glutKeyboardFunc(OnKeyboard);
// enable depth testing to ensure correct z-ordering of our fragments
Gl.Enable(EnableCap.DepthTest);
Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// initialize the user interface
OpenGL.UI.UserInterface.InitUI(width, height);
// create some centered text
OpenGL.UI.Text welcome = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._24pt, "Welcome to OpenGL", OpenGL.UI.BMFont.Justification.Center);
welcome.RelativeTo = OpenGL.UI.Corner.Center;
// create some colored text
OpenGL.UI.Text coloredText = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._24pt, "using C#", OpenGL.UI.BMFont.Justification.Center);
coloredText.Position = new Point(0, -30);
coloredText.Color = new Vector3(0.2f, 0.3f, 1f);
coloredText.RelativeTo = OpenGL.UI.Corner.Center;
// add the two text object to the UI
OpenGL.UI.UserInterface.AddElement(welcome);
OpenGL.UI.UserInterface.AddElement(coloredText);
// enter the glut main loop (this is where the drawing happens)
Glut.glutMainLoop();
}
static void Main()
{
Window.CreateWindow("OpenGL UI: Example 4", 1280, 720);
// add a reshape callback to update the UI
Window.OnReshapeCallbacks.Add(() => OpenGL.UI.UserInterface.OnResize(Window.Width, Window.Height));
// add a close callback to make sure we dispose of everything properly
Window.OnCloseCallbacks.Add(OnClose);
// enable depth testing to ensure correct z-ordering of our fragments
Gl.Enable(EnableCap.DepthTest);
Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// initialize the user interface
OpenGL.UI.UserInterface.InitUI(Window.Width, Window.Height);
// create a container that will store all of our color picker content
OpenGL.UI.UIContainer colorPickerContainer = new OpenGL.UI.UIContainer();
colorPickerContainer.Size = new Point(240, 190);
colorPickerContainer.Position = new Point(20, 20);
colorPickerContainer.RelativeTo = OpenGL.UI.Corner.TopLeft;
// create a menu bar that will have two different textures
menuTexture = new Texture("data/menu.png");
menuSelectedTexture = new Texture("data/menuSelected.png");
OpenGL.UI.Button menu = new OpenGL.UI.Button(menuTexture);
colorPickerContainer.AddElement(menu);
// place some text within the menu bar
OpenGL.UI.Text menuText = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._12pt, "Color Picker");
menuText.RelativeTo = OpenGL.UI.Corner.TopLeft;
menuText.Position = new Point(4, 17);
colorPickerContainer.AddElement(menuText);
// add some events that will move the entire color picker container with the menu bar
bool moving = false;
menu.OnMouseDown = (sender, e) =>
{
moving = true;
menu.BackgroundTexture = menuSelectedTexture; // make it look nice by swapping the menubar texture
};
menu.OnMouseUp = (sender, e) =>
{
moving = false;
menu.BackgroundTexture = menuTexture; // make sure to restore the menubar texture
};
menu.OnMouseMove = (sender, e) =>
{
if (moving)
{
int x = colorPickerContainer.Position.X + OpenGL.UI.UserInterface.MousePosition.X - OpenGL.UI.UserInterface.LastMousePosition.X;
int y = colorPickerContainer.Position.Y + OpenGL.UI.UserInterface.MousePosition.Y - OpenGL.UI.UserInterface.LastMousePosition.Y;
colorPickerContainer.Position = new Point(x, y);
colorPickerContainer.OnResize();
}
};
// create the color picker itself
OpenGL.UI.ColorGradient gradient = new OpenGL.UI.ColorGradient();
gradient.Position = new Point(30, 30);
// and create a hue slider that can control the types of colors shown in the color picker
OpenGL.UI.HueGradient hue = new OpenGL.UI.HueGradient();
hue.Position = new Point(190, 30);
// add the color picker and its hue slider to the UI
colorPickerContainer.AddElement(gradient);
colorPickerContainer.AddElement(hue);
// add the entire container to the user interface
OpenGL.UI.UserInterface.AddElement(colorPickerContainer);
// subscribe the escape event using the OpenGL.UI class library
Input.Subscribe((char)27, Window.OnClose);
// make sure to set up mouse event handlers for the window
Window.OnMouseCallbacks.Add(OpenGL.UI.UserInterface.OnMouseClick);
Window.OnMouseMoveCallbacks.Add(OpenGL.UI.UserInterface.OnMouseMove);
while (true)
{
Window.HandleEvents();
OnRenderFrame();
}
}
static void Main()
{
// create an OpenGL window
Glut.glutInit();
Glut.glutInitDisplayMode(Glut.GLUT_DOUBLE | Glut.GLUT_DEPTH);
Glut.glutInitWindowSize(width, height);
Glut.glutCreateWindow("OpenGL UI: Example 2");
// provide the Glut callbacks that are necessary for running this tutorial
Glut.glutIdleFunc(OnRenderFrame);
Glut.glutDisplayFunc(() => { }); // only here for mac os x
Glut.glutCloseFunc(OnClose);
Glut.glutMouseFunc(OnMouseClick);
Glut.glutMotionFunc(OnMouseMove);
Glut.glutPassiveMotionFunc(OnMouseMove);
Glut.glutReshapeFunc(OnResize);
Glut.glutKeyboardFunc(OnKeyboard);
// enable depth testing to ensure correct z-ordering of our fragments
Gl.Enable(EnableCap.DepthTest);
Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// initialize the user interface
OpenGL.UI.UserInterface.InitUI(width, height);
// create some centered text
OpenGL.UI.Text selectText = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._24pt, "Select A Character", OpenGL.UI.BMFont.Justification.Center);
selectText.Position = new Point(0, 50);
selectText.RelativeTo = OpenGL.UI.Corner.Center;
OpenGL.UI.Text characterName = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._16pt, "", OpenGL.UI.BMFont.Justification.Center);
characterName.RelativeTo = OpenGL.UI.Corner.Center;
characterName.Position = new Point(0, -70);
// add the two text object to the UI
OpenGL.UI.UserInterface.AddElement(selectText);
OpenGL.UI.UserInterface.AddElement(characterName);
// the license for these icons is located in the data folder
string[] characters = new string[] { "boy.png", "man.png", "girl1.png", "girl2.png", "girl3.png" };
textures = new Texture[characters.Length];
int xoffset = -characters.Length * 80 / 2 + 40;
for (int i = 0; i < characters.Length; i++)
{
string character = characters[i];
// load a texture that will be used by a button
textures[i] = new Texture(string.Format("data/{0}", character));
// create buttons in a row, each of which uses a Texture (the Texture gives the initial size of the Button in pixels)
OpenGL.UI.Button button = new OpenGL.UI.Button(textures[i]);
button.Position = new Point(xoffset, 5);
button.RelativeTo = OpenGL.UI.Corner.Center;
// change the color of the button when entering/leaving/clicking with the mouse
button.OnMouseEnter = (sender, e) => button.BackgroundColor = new Vector4(0, 1f, 0.2f, 1.0f);
button.OnMouseLeave = (sender, e) => button.BackgroundColor = Vector4.Zero;
button.OnMouseDown = (sender, e) => button.BackgroundColor = new Vector4(0, 0.6f, 1f, 1f);
button.OnMouseUp = (sender, e) => button.BackgroundColor = (OpenGL.UI.UserInterface.Selection == button ? new Vector4(0, 1f, 0.2f, 1.0f) : Vector4.Zero);
// update the text with the character name when the button is clicked
button.OnMouseClick = (sender, e) => characterName.String = string.Format("You selected {0}!", character);
OpenGL.UI.UserInterface.AddElement(button);
xoffset += 80;
}
// enter the glut main loop (this is where the drawing happens)
Glut.glutMainLoop();
}
static void Main()
{
Window.CreateWindow("OpenGL UI: Example 2", 1280, 720);
// add a reshape callback to update the UI
Window.OnReshapeCallbacks.Add(() => OpenGL.UI.UserInterface.OnResize(Window.Width, Window.Height));
// add a close callback to make sure we dispose of everything properly
Window.OnCloseCallbacks.Add(OnClose);
// enable depth testing to ensure correct z-ordering of our fragments
Gl.Enable(EnableCap.DepthTest);
Gl.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// initialize the user interface
OpenGL.UI.UserInterface.InitUI(Window.Width, Window.Height);
// create some centered text
OpenGL.UI.Text selectText = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._24pt, "Select A Character", OpenGL.UI.BMFont.Justification.Center);
selectText.Position = new Point(0, 50);
selectText.RelativeTo = OpenGL.UI.Corner.Center;
OpenGL.UI.Text characterName = new OpenGL.UI.Text(OpenGL.UI.Text.FontSize._16pt, "", OpenGL.UI.BMFont.Justification.Center);
characterName.RelativeTo = OpenGL.UI.Corner.Center;
characterName.Position = new Point(0, -70);
// add the two text object to the UI
OpenGL.UI.UserInterface.AddElement(selectText);
OpenGL.UI.UserInterface.AddElement(characterName);
// the license for these icons is located in the data folder
string[] characters = new string[] { "boy.png", "man.png", "girl1.png", "girl2.png", "girl3.png" };
textures = new Texture[characters.Length];
int xoffset = -characters.Length * 80 / 2 + 40;
for (int i = 0; i < characters.Length; i++)
{
string character = characters[i];
// load a texture that will be used by a button
textures[i] = new Texture(string.Format("data/{0}", character));
// create buttons in a row, each of which uses a Texture (the Texture gives the initial size of the Button in pixels)
OpenGL.UI.Button button = new OpenGL.UI.Button(textures[i]);
button.Position = new Point(xoffset, 5);
button.RelativeTo = OpenGL.UI.Corner.Center;
// change the color of the button when entering/leaving/clicking with the mouse
button.OnMouseEnter = (sender, e) => button.BackgroundColor = new Vector4(0, 1f, 0.2f, 1.0f);
button.OnMouseLeave = (sender, e) => button.BackgroundColor = Vector4.Zero;
button.OnMouseDown = (sender, e) => button.BackgroundColor = new Vector4(0, 0.6f, 1f, 1f);
button.OnMouseUp = (sender, e) => button.BackgroundColor = (OpenGL.UI.UserInterface.Selection == button ? new Vector4(0, 1f, 0.2f, 1.0f) : Vector4.Zero);
// update the text with the character name when the button is clicked
button.OnMouseClick = (sender, e) => characterName.String = string.Format("You selected {0}!", character);
OpenGL.UI.UserInterface.AddElement(button);
xoffset += 80;
}
// subscribe the escape event using the OpenGL.UI class library
Input.Subscribe((char)27, Window.OnClose);
// make sure to set up mouse event handlers for the window
Window.OnMouseCallbacks.Add(OpenGL.UI.UserInterface.OnMouseClick);
Window.OnMouseMoveCallbacks.Add(OpenGL.UI.UserInterface.OnMouseMove);
while (Window.Open)
{
Window.HandleEvents();
OnRenderFrame();
}
}
