public PileUpPage()
{
InitializeComponent();
var view = new OpenGLView {
HasRenderLoop = true
};
var toggle = new Switch {
IsToggled = true
};
var button = new Button {
Text = "Display"
};
// viewの構築
view.HeightRequest = 300;
view.WidthRequest = 300;
view.BackgroundColor = Color.Transparent;
view.OnDisplay = (r) =>
{
GL.ClearColor(red, green, blue, alpha);
GL.Clear((ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit));
// ちょっとずつ色を変える
red = incrementColor(red, 0.01f);
green = incrementColor(green, 0.02f);
blue = incrementColor(blue, 0.03f);
};
// スイッチ
toggle.Toggled += (s, a) =>
{
view.HasRenderLoop = toggle.IsToggled;
};
// ボタン
button.Clicked += (s, a) =>
{
view.Display();
};
var stack = new StackLayout
{
Padding = new Size(20, 20),
BackgroundColor = Color.Transparent,
Children =
{
button, toggle, view
}
};
AbsoluteLayout.SetLayoutFlags(stack, AbsoluteLayoutFlags.PositionProportional);
AbsoluteLayout.SetLayoutBounds(stack, new Rectangle(0, 0, AbsoluteLayout.AutoSize, AbsoluteLayout.AutoSize));
absoluteLayout.Children.Add(stack);
}
public void Display()
{
var view = new OpenGLView();
bool displayed = false;
view.DisplayRequested += (s, o) => displayed = true;
view.Display();
Assert.True(displayed);
}
public void Display ()
{
var view = new OpenGLView ();
bool displayed = false;
((IOpenGlViewController)view).DisplayRequested += (s, o) => displayed = true;
view.Display ();
Assert.True (displayed);
}
public OpenGLPage()
{
InitializeComponent();
var view = new OpenGLView {
HasRenderLoop = true
};
var toggle = new Switch {
IsToggled = true
};
var button = new Button {
Text = "Display"
};
// viewの構築
view.HeightRequest = 300;
view.WidthRequest = 300;
view.OnDisplay = (r) =>
{
GL.ClearColor(red, green, blue, 1.0f);
GL.Clear((ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit));
// ちょっとずつ色を変える
red = incrementColor(red, 0.01f);
green = incrementColor(green, 0.02f);
blue = incrementColor(blue, 0.03f);
};
// スイッチ
toggle.Toggled += (s, a) =>
{
view.HasRenderLoop = toggle.IsToggled;
};
// ボタン
button.Clicked += (s, a) =>
{
view.Display();
};
var stack = new StackLayout
{
Padding = new Size(20, 20),
Children =
{
view, toggle, button
}
};
Content = stack;
}
public OpenGLPage()
{
Title = "OpenGL";
var view = new OpenGLView {
HasRenderLoop = true
};
var toggle = new Switch {
IsToggled = true
};
var button = new Button {
Text = "Display"
};
view.HeightRequest = 300;
view.WidthRequest = 300;
view.OnDisplay = r => {
GL.ClearColor(red, green, blue, 1.0f);
GL.Clear((ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit));
red += 0.01f;
if (red >= 1.0f)
{
red -= 1.0f;
}
green += 0.02f;
if (green >= 1.0f)
{
green -= 1.0f;
}
blue += 0.03f;
if (blue >= 1.0f)
{
blue -= 1.0f;
}
};
toggle.Toggled += (s, a) => {
view.HasRenderLoop = toggle.IsToggled;
};
button.Clicked += (s, a) => view.Display();
var stack = new StackLayout
{
Padding = new Size(20, 20),
Children = { view, toggle, button }
};
Content = stack;
}
public OpenGLPage()
{
//InitializeComponent ();
Title = "OpenGL";
var view = new OpenGLView {
HasRenderLoop = true,
HeightRequest = 300,
WidthRequest = 300
};
var toggle = new Switch {
IsToggled = true
};
var button = new Button {
Text = "Display"
};
view.OnDisplay = (r) =>
{
GL.ClearColor(red, green, blue, 1f);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
red = incr(red, 0.01f);
green = incr(green, 0.02f);
blue = incr(blue, 0.03f);
};
toggle.Toggled += (s, a) =>
{
view.HasRenderLoop = toggle.IsToggled;
};
button.Clicked += (s, a) =>
{
view.Display();
};
var stack = new StackLayout
{
Padding = new Size(20, 20),
Children =
{
view, toggle, button
}
};
Content = stack;
}
public OpenGLViewDemoPage()
{
IOpenGLViewSharedCode sharedCode = DependencyService.Get <IOpenGLViewSharedCode>();
Label header = new Label
{
Text = "OpenGLView",
FontSize = 50,
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.Center
};
Label regretsLabel = null;
if (sharedCode != null)
{
openGLView = new OpenGLView
{
VerticalOptions = LayoutOptions.FillAndExpand
};
openGLView.OnDisplay = sharedCode.RenderLoop;
openGLView.Display();
}
else
{
regretsLabel = new Label
{
Text = "Sorry, OpenGLView cannot be used on this device!",
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
HorizontalTextAlignment = TextAlignment.Center,
VerticalOptions = LayoutOptions.CenterAndExpand,
Margin = new Thickness(10, 0)
};
}
// Build the page.
Title = "OpenGLView Demo";
Content = new StackLayout
{
Children =
{
header,
sharedCode != null ? (View)openGLView : regretsLabel
}
};
}
public OpenGLGallery()
{
var view = new OpenGLView {
HasRenderLoop = true
};
var toggle = new Switch {
IsToggled = true
};
var button = new Button {
Text = "Display"
};
view.HeightRequest = 300;
view.WidthRequest = 300;
view.OnDisplay = r => {
/*
* if (!inited) {
* var shader = GL.CreateShader (All.VertexShader);
* int length = 0;
* GL.ShaderSource (shader, 1, new string [] { "void main() { gl_FragColor = vec4(0.6, 1.0, 0.0, 1.0); }"}, ref length);
* GL.CompileShader (shader);
* int status = 0;
* GL.GetShader (shader, All.CompileStatus, ref status);
* if (status == 0) {
* GL.DeleteShader (shader);
* throw new Exception();
* }
*
* inited = true;
* }
*/
GL.ClearColor(red, green, blue, 1.0f);
GL.Clear((ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit));
red += 0.01f;
if (red >= 1.0f)
{
red -= 1.0f;
}
green += 0.02f;
if (green >= 1.0f)
{
green -= 1.0f;
}
blue += 0.03f;
if (blue >= 1.0f)
{
blue -= 1.0f;
}
};
toggle.Toggled += (s, a) => { view.HasRenderLoop = toggle.IsToggled; };
button.Activated += (s, a) => view.Display();
var stack = new StackLayout {
Padding = new Size(20, 20)
};
stack.Add(view);
stack.Add(toggle);
stack.Add(button);
Content = stack;
}