/// <summary>Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.</summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data. </param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
_gifAnim = new GifAnimator(SynchronizationContext.Current);
_gallery = new ImageGallery(Font, DeviceDpi, _gifAnim);
try
{
Cursor.Current = Cursors.WaitCursor;
// Load our image data.
_gallery.LoadImages(GorgonApplication.StartupPath.FullName);
// Begin our animation.
_gifAnim.Animate(() =>
{
using (System.Drawing.Graphics graphics = CreateGraphics())
{
_gallery.RefreshGif(graphics);
}
});
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.</summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data. </param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
Show();
Cursor.Current = Cursors.WaitCursor;
Initialize();
_originalSize = new DX.Vector2(GroupControl1.ClientSize.Width, GroupControl2.ClientSize.Height);
GorgonApplication.IdleMethod = Idle;
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Function to load the images for use with the example.
/// </summary>
/// <param name="codec">The codec for the images.</param>
/// <returns><b>true</b> if files were loaded successfully, <b>false</b> if not.</returns>
private static bool LoadImageFiles(IGorgonImageCodec codec)
{
DirectoryInfo dirInfo = GorgonExample.GetResourcePath(@"\Textures\PostProcess");
FileInfo[] files = dirInfo.GetFiles("*.dds", SearchOption.TopDirectoryOnly);
if (files.Length == 0)
{
GorgonDialogs.ErrorBox(null, $"No DDS images found in {dirInfo.FullName}.");
GorgonApplication.Quit();
return(false);
}
_images = new GorgonTexture2DView[files.Length];
// Load all the DDS files from the resource area.
for (int i = 0; i < files.Length; ++i)
{
_images[i] = GorgonTexture2DView.FromFile(_graphics,
files[i].FullName,
codec,
new GorgonTexture2DLoadOptions
{
Binding = TextureBinding.ShaderResource,
Usage = ResourceUsage.Immutable,
Name = Path.GetFileNameWithoutExtension(files[i].Name)
});
}
return(true);
}
/// <summary>
/// Handles the KeyUp event of the Window control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="KeyEventArgs"/> instance containing the event data.</param>
private static void Window_KeyUp(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Escape:
GorgonApplication.Quit();
break;
case Keys.Right:
++_currentImage;
if (_currentImage >= _images.Length)
{
_currentImage = 0;
}
break;
case Keys.Left:
--_currentImage;
if (_currentImage < 0)
{
_currentImage = _images.Length - 1;
}
break;
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
GorgonExample.PlugInLocationDirectory = new DirectoryInfo(Settings.Default.PlugInLocation);
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
// Create our virtual file system.
_fileSystem = new GorgonFileSystem(Program.Log);
_writer = new GorgonFileSystemWriter(_fileSystem, Program.WriteDirectory.FullName);
LoadText();
labelFileSystem.Text = $"{GorgonExample.GetResourcePath(@"FolderSystem\").FullName.Ellipses(100, true)} mounted as '/'.";
labelWriteLocation.Text = $"{Program.WriteDirectory.FullName.Ellipses(100, true)} mounted as '/'";
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
CommandEnable(!string.Equals(_originalText, _changedText, StringComparison.CurrentCulture));
UpdateInfo();
}
}
/// <summary>
/// Handles the KeyUp event of the Window control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="KeyEventArgs"/> instance containing the event data.</param>
private static void Window_KeyUp(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Escape:
GorgonApplication.Quit();
return;
case Keys.F1:
_showHelp = !_showHelp;
return;
}
if (e.KeyCode != Keys.C)
{
return;
}
switch (_cloakController.Direction)
{
case CloakDirection.Cloak:
case CloakDirection.CloakPulse:
_cloakController.Uncloak();
break;
case CloakDirection.Uncloak:
case CloakDirection.UncloakStopPulse:
case CloakDirection.None:
_cloakController.Cloak();
break;
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load"></see> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs"></see> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
GorgonExample.ShowStatistics = false;
Cursor.Current = Cursors.WaitCursor;
try
{
Show();
Application.DoEvents();
// Initialize Gorgon
// Set it up so that we won't be rendering in the background, but allow the screensaver to activate.
IReadOnlyList <IGorgonVideoAdapterInfo> adapters = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (adapters.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"No suitable video adapter found in the system.\nGorgon requires a minimum of a Direct3D 11.4 capable video device.");
}
_graphics = new GorgonGraphics(adapters[0]);
// Set the video mode.
ClientSize = new Size(640, 400);
_screen = new GorgonSwapChain(_graphics,
this,
new GorgonSwapChainInfo("FunWithShapes SwapChain")
{
Width = ClientSize.Width,
Height = ClientSize.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_screen.AfterSwapChainResized += Screen_AfterSwapChainResized;
_graphics.SetRenderTarget(_screen.RenderTargetView);
_halfSize = new DX.Size2F(_screen.Width / 2.0f, _screen.Height / 2.0f);
// Create our 2D renderer so we can draw stuff.
_renderer = new Gorgon2D(_graphics);
LabelPleaseWait.Visible = false;
GorgonExample.LoadResources(_graphics);
// Draw the image.
DrawAPrettyPicture();
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
// Set our default cursor.
_currentCursor = Resources.hand_icon;
// Create our input factory.
_rawInput = new GorgonRawInput(this);
// Ensure that we have the necessary input devices.
// This enumeration method could be used to retrieve only a single specific mouse out of many.
if (_rawInput.EnumerateMice().Count == 0)
{
GorgonDialogs.ErrorBox(this, "There were no mice detected on this computer. The application requires a mouse.");
GorgonApplication.Quit();
}
// This enumeration method could be used to retrieve only a single specific keyboard out of many.
if (_rawInput.EnumerateKeyboards().Count == 0)
{
GorgonDialogs.ErrorBox(this, "There were no keyboards detected on this computer. The application requires a keyboard.");
GorgonApplication.Quit();
}
// Get our input devices.
CreateMouse();
CreateKeyboard();
// When the display area changes size, update the spray effect
// and limit the mouse.
panelDisplay.Resize += PanelDisplay_Resize;
// Set up our spray object.
_spray = new Spray(panelDisplay.ClientSize);
_cursor = new MouseCursor(panelDisplay)
{
Hotspot = new Point(-16, -3)
};
// Set up our idle method.
GorgonApplication.IdleMethod = Idle;
}
catch (Exception ex)
{
// We do this here instead of just calling the dialog because this
// function will send the exception to the Gorgon log file.
ex.Catch(_ => GorgonDialogs.ErrorBox(this, _), GorgonApplication.Log);
GorgonApplication.Quit();
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
// Picture box.
_picture = new PictureBox
{
Name = "pictureImage"
};
// Text display.
_textDisplay = new TextBox
{
Name = "textDisplay"
};
_textFont = new Font("Consolas", 10.0f, FontStyle.Regular, GraphicsUnit.Point);
_textDisplay.Font = _textFont;
_instructions = new Label
{
Name = "labelInstructions",
Text = "Double click on a file node in the tree to display it.",
AutoSize = false,
TextAlign = ContentAlignment.MiddleCenter,
Dock = DockStyle.Fill,
Font = Font
};
// Add the instructions.
splitFileSystem.Panel2.Controls.Add(_instructions);
// Get the zip file provider.
LoadZipFileSystemProvider();
// Mount the physical file system directory.
_fileSystem.Mount(Program.GetResourcePath(@"VFSRoot\"));
// Mount the zip file into a sub directory.
_fileSystem.Mount(Program.GetResourcePath("VFSRoot.zip"), "/ZipFile");
// Fill the root of the tree.
FillTree(null);
}
catch (Exception ex)
{
ex.Catch(_ => GorgonDialogs.ErrorBox(this, _), Program.Log);
GorgonApplication.Quit();
}
}
/// <summary>
/// Windows the key down.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="KeyEventArgs" /> instance containing the event data.</param>
private static void Window_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Escape:
GorgonApplication.Quit();
return;
case Keys.Z:
_lightEffect.Lights[0].Position =
!e.Shift
? new DX.Vector3(_lightEffect.Lights[0].Position.X, _lightEffect.Lights[0].Position.Y, _lightEffect.Lights[0].Position.Z + 1.0f)
: new DX.Vector3(_lightEffect.Lights[0].Position.X, _lightEffect.Lights[0].Position.Y, _lightEffect.Lights[0].Position.Z - 1.0f);
break;
}
}
/// <summary>
/// Handles the KeyUp event of the Window control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="KeyEventArgs"/> instance containing the event data.</param>
private static void Window_KeyUp(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.F1:
_showHelp = !_showHelp;
break;
case Keys.S:
GorgonExample.ShowStatistics = !GorgonExample.ShowStatistics;
break;
case Keys.Escape:
GorgonApplication.Quit();
break;
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
GorgonExample.PlugInLocationDirectory = new DirectoryInfo(Settings.Default.PlugInLocation);
// Create the assembly cache.
_assemblies = new GorgonMefPlugInCache(GorgonApplication.Log);
_assemblies.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.Input.XInput.dll");
// Create the plug services.
IGorgonPlugInService pluginService = new GorgonMefPlugInService(_assemblies);
// Create the gaming device driver factory.
var factory = new GorgonGamingDeviceDriverFactory(pluginService, GorgonApplication.Log);
// Create our factory.
_driver = factory.LoadDriver("Gorgon.Input.XInput.GorgonXInputDriver");
_stickPosition = new PointF[3];
_sprayStates = new SprayCan[3];
// Get our list of active controllers.
UpdateActiveControllers();
// Get the graphics interface for our panel.
_surface = new DrawingSurface(panelDisplay);
// Set up our idle loop.
GorgonApplication.IdleMethod += Idle;
// Launch a background task to check for connected devices.
Task.Run(CheckForConnectedDevices);
}
catch (Exception ex)
{
// We do this here instead of just calling the dialog because this
// function will send the exception to the Gorgon log file.
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.KeyDown" /> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.KeyEventArgs" /> that contains the event data.</param>
protected override void OnKeyDown(KeyEventArgs e)
{
base.OnKeyDown(e);
if (e.KeyCode == Keys.Escape)
{
GorgonApplication.Quit();
}
if (e.KeyCode == Keys.F1)
{
_showHelp = !_showHelp;
}
if (e.KeyCode == Keys.S)
{
_showStats = !_showStats;
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
Cursor.Current = Cursors.WaitCursor;
try
{
// Find out which devices we have installed in the system.
IReadOnlyList <IGorgonVideoAdapterInfo> deviceList = GorgonGraphics.EnumerateAdapters();
if (deviceList.Count == 0)
{
GorgonDialogs.ErrorBox(this, "There are no suitable video adapters available in the system. This example is unable to continue and will now exit.");
GorgonApplication.Quit();
return;
}
_graphics = new GorgonGraphics(deviceList[0]);
_renderer = new GraphicsRenderer(_graphics);
_renderer.SetPanel(PanelDisplay);
// Load the compute shader.
#if DEBUG
_sobelShader = GorgonShaderFactory.Compile <GorgonComputeShader>(_graphics, Resources.ComputeShader, "SobelCS", true);
#else
_sobelShader = GorgonShaderFactory.Compile <GorgonComputeShader>(_graphics, Resources.ComputeShader, "SobelCS");
#endif
_sobel = new Sobel(_graphics, _sobelShader);
GorgonApplication.IdleMethod = Idle;
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
Cursor = Cursors.WaitCursor;
Visible = true;
Application.DoEvents();
// Initialize.
Initialize();
}
catch (Exception ex)
{
ex.Catch(_ => GorgonDialogs.ErrorBox(this, _), GorgonApplication.Log);
GorgonApplication.Quit();
}
finally
{
Cursor = Cursors.Default;
}
}
/// <summary>
/// Function used to initialize the application.
/// </summary>
private static void Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
// Build the form so we can actually show something.
_mainForm = GorgonExample.Initialize(new DX.Size2(1280, 800), "Geometry Shaders");
try
{
// Now we create and enumerate the list of video devices installed in the computer.
// We must do this in order to tell Gorgon which video device we intend to use. Note that this method may be quite slow (particularly when running DEBUG versions of
// Direct 3D). To counter this, this object and its Enumerate method are thread safe so this can be run in the background while keeping the main UI responsive.
//
// If no suitable device was found (no Direct 3D 11.4 support) in the computer, this method will return an empty list. However, if it succeeds, then the devices list
// will be populated with an IGorgonVideoDeviceInfo for each suitable video device in the system.
//
// Using this method, we could also enumerate the WARP software rasterizer, and/of the D3D Reference device (only if the DEBUG functionality provided by the Windows
// SDK is installed). These devices are typically used to determine if there's a driver error, and can be terribly slow to render (reference moreso than WARP). It is
// recommended that these only be used in diagnostic scenarios only.
IReadOnlyList <IGorgonVideoAdapterInfo> devices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (devices.Count == 0)
{
GorgonDialogs.ErrorBox(_mainForm, "This example requires a video adapter that supports Direct3D 11.4 or better.");
GorgonApplication.Quit();
return;
}
// Now we create the main graphics interface with the first applicable video device.
_graphics = new GorgonGraphics(devices[0], log: GorgonApplication.Log);
// Check to ensure that we can support the format required for our swap chain.
// If a video device can't support this format, then the odds are good it won't render anything. Since we're asking for a very common display format, this will
// succeed nearly 100% of the time. Regardless, it's good form to the check for a working display format prior to setting up the swap chain.
//
// This is also used to determine if a format can be used for other objects (e.g. a texture, render target, etc...) And like the swap chain format, it is also best
// practice to check if the object you're creating supports the desired format.
if (!_graphics.FormatSupport[BufferFormat.R8G8B8A8_UNorm].IsDisplayFormat)
{
// We should never see this unless you've got some very esoteric hardware.
GorgonDialogs.ErrorBox(_mainForm, "We should not see this error.");
return;
}
// Finally, create a swap chain to display our output.
// In this case we're setting up our swap chain to bind with our main window, and we use its client size to determine the width/height of the swap chain back buffers.
// This width/height does not need to be the same size as the window, but, except for some scenarios, that would produce undesirable image quality.
_swap = new GorgonSwapChain(_graphics,
_mainForm,
new GorgonSwapChainInfo("Main Swap Chain")
{
Format = BufferFormat.R8G8B8A8_UNorm, Width = _mainForm.ClientSize.Width, Height = _mainForm.ClientSize.Height
});
// Assign events so we can update our projection with our window size.
_swap.BeforeSwapChainResized += Swap_BeforeSwapChainResized;
_swap.AfterSwapChainResized += Swap_AfterSwapChainResized;
// We'll need a depth buffer for this example, or else our pyramid will look weird when rotating as back faces will appear through front faces.
// So, first we should check for support of a proper depth/stencil format. That said, if we don't have this format, then we're likely not running hardware from the last decade or more.
if (!_graphics.FormatSupport[BufferFormat.D24_UNorm_S8_UInt].IsDepthBufferFormat)
{
GorgonDialogs.ErrorBox(_mainForm, "A 24 bit depth buffer is required for this example.");
return;
}
_depthStencil = GorgonDepthStencil2DView.CreateDepthStencil(_graphics,
new GorgonTexture2DInfo
{
Format = BufferFormat.D24_UNorm_S8_UInt,
Binding = TextureBinding.DepthStencil,
Usage = ResourceUsage.Default,
Width = _swap.Width,
Height = _swap.Height
});
// Load the shaders from a file on disc.
LoadShaders();
// Load the texture.
_texture = GorgonTexture2DView.FromFile(_graphics,
Path.Combine(GorgonExample.GetResourcePath(@"Textures\GeometryShader\").FullName, "GSTexture.png"),
new GorgonCodecPng());
// Create our builders so we can compose a draw call and pipeline state.
_drawCallBuilder = new GorgonDrawCallBuilder();
_pipeStateBuilder = new GorgonPipelineStateBuilder(_graphics);
// Create a constant buffer so we can adjust the positioning of the data.
DX.Matrix.PerspectiveFovLH((65.0f).ToRadians(), (float)_swap.Width / _swap.Height, 0.125f, 1000.0f, out _projection);
_vsConstants = GorgonConstantBufferView.CreateConstantBuffer(_graphics,
new GorgonConstantBufferInfo("WorldProjection CBuffer")
{
SizeInBytes = (DX.Matrix.SizeInBytes * 2) + DX.Vector4.SizeInBytes
});
_vsConstants.Buffer.SetData(ref _projection, copyMode: CopyMode.Discard);
_vsConstants.Buffer.SetData(ref _worldMatrix, 64, CopyMode.NoOverwrite);
// Create a draw call so we actually have something we can draw.
_drawCall = _drawCallBuilder.VertexRange(0, 3)
.PipelineState(_pipeStateBuilder.PixelShader(_pixelShader)
.VertexShader(_bufferless)
.GeometryShader(_geometryShader)
.DepthStencilState(GorgonDepthStencilState.DepthEnabled))
.ShaderResource(ShaderType.Pixel, _texture)
.ConstantBuffer(ShaderType.Vertex, _vsConstants)
.ConstantBuffer(ShaderType.Geometry, _vsConstants)
.Build();
// Finally set our swap chain as the active rendering target and the depth/stencil buffer.
_graphics.SetRenderTarget(_swap.RenderTargetView, _depthStencil);
GorgonExample.LoadResources(_graphics);
}
finally
{
GorgonExample.EndInit();
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load"></see> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs"></see> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
try
{
GorgonExample.PlugInLocationDirectory = new DirectoryInfo(Settings.Default.PlugInLocation);
// Load the assembly.
_assemblyCache = new GorgonMefPlugInCache(GorgonApplication.Log);
// Create the plugin service.
IGorgonPlugInService plugInService = new GorgonMefPlugInService(_assemblyCache);
// Create the factory to retrieve gaming device drivers.
var factory = new GorgonGamingDeviceDriverFactory(plugInService);
// Create the raw input interface.
_input = new GorgonRawInput(this, GorgonApplication.Log);
// Get available gaming device driver plug ins.
_assemblyCache.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.Input.DirectInput.dll");
_assemblyCache.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.Input.XInput.dll");
_drivers = factory.LoadAllDrivers();
_joystickList = new List <IGorgonGamingDevice>();
// Get all gaming devices from the drivers.
foreach (IGorgonGamingDeviceDriver driver in _drivers)
{
IReadOnlyList <IGorgonGamingDeviceInfo> infoList = driver.EnumerateGamingDevices(true);
foreach (IGorgonGamingDeviceInfo info in infoList)
{
IGorgonGamingDevice device = driver.CreateGamingDevice(info);
// Turn off dead zones for this example.
foreach (GorgonGamingDeviceAxis axis in device.Axis)
{
axis.DeadZone = GorgonRange.Empty;
}
_joystickList.Add(device);
}
}
// Create mouse.
_mouse = new GorgonRawMouse();
// Create the graphics interface.
ClientSize = Settings.Default.Resolution;
IReadOnlyList <IGorgonVideoAdapterInfo> adapters = GorgonGraphics.EnumerateAdapters();
_graphics = new GorgonGraphics(adapters[0], log: GorgonApplication.Log);
_screen = new GorgonSwapChain(_graphics, this, new GorgonSwapChainInfo("INeedYourInput Swapchain")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_graphics.SetRenderTarget(_screen.RenderTargetView);
if (!Settings.Default.IsWindowed)
{
_screen.EnterFullScreen();
}
// For the backup image. Used to make it as large as the monitor that we're on.
var currentScreen = Screen.FromHandle(Handle);
// Relocate the window to the center of the screen.
Location = new Point(currentScreen.Bounds.Left + (currentScreen.WorkingArea.Width / 2) - (ClientSize.Width / 2),
currentScreen.Bounds.Top + (currentScreen.WorkingArea.Height / 2) - (ClientSize.Height / 2));
// Create the 2D renderer.
_2D = new Gorgon2D(_graphics);
// Create the text font.
var fontFactory = new GorgonFontFactory(_graphics);
_font = fontFactory.GetFont(new GorgonFontInfo("Arial", 9.0f, FontHeightMode.Points, "Arial 9pt")
{
FontStyle = FontStyle.Bold,
AntiAliasingMode = FontAntiAliasMode.AntiAlias
});
// Create text sprite.
_messageSprite = new GorgonTextSprite(_font, "Using mouse and keyboard (Windows Forms).")
{
Color = Color.Black
};
// Create a back buffer.
_backBuffer = GorgonRenderTarget2DView.CreateRenderTarget(_graphics, new GorgonTexture2DInfo("Backbuffer storage")
{
Width = _screen.Width,
Height = _screen.Height,
Format = _screen.Format
});
_backBuffer.Clear(Color.White);
_backBufferView = _backBuffer.GetShaderResourceView();
// Clear our backup image to white to match our primary screen.
using (IGorgonImage image = new GorgonImage(new GorgonImageInfo(ImageType.Image2D, _screen.Format)
{
Width = _screen.Width,
Height = _screen.Height,
Format = _screen.Format
}))
{
image.Buffers[0].Fill(0xff);
_backupImage = image.ToTexture2D(_graphics,
new GorgonTexture2DLoadOptions
{
Binding = TextureBinding.None,
Usage = ResourceUsage.Staging
});
}
// Set gorgon events.
_screen.BeforeSwapChainResized += BeforeSwapChainResized;
_screen.AfterSwapChainResized += AfterSwapChainResized;
// Enable the mouse.
Cursor = Cursors.Cross;
_mouse.MouseButtonDown += MouseInput;
_mouse.MouseMove += MouseInput;
_mouse.MouseWheelMove += (sender, args) =>
{
_radius += args.WheelDelta.Sign();
if (_radius < 2.0f)
{
_radius = 2.0f;
}
if (_radius > 10.0f)
{
_radius = 10.0f;
}
};
// Set the mouse position.
_mouse.Position = new Point(ClientSize.Width / 2, ClientSize.Height / 2);
_noBlending = _blendBuilder.BlendState(GorgonBlendState.NoBlending)
.Build();
_inverted = _blendBuilder.BlendState(GorgonBlendState.Inverted)
.Build();
// Set up blending states for our pen.
var blendStateBuilder = new GorgonBlendStateBuilder();
_currentBlend = _drawModulatedBlend = _blendBuilder.BlendState(blendStateBuilder
.ResetTo(GorgonBlendState.Default)
.DestinationBlend(alpha: Blend.One)
.Build())
.Build();
_drawAdditiveBlend = _blendBuilder.BlendState(blendStateBuilder
.ResetTo(GorgonBlendState.Additive)
.DestinationBlend(alpha: Blend.One)
.Build())
.Build();
_drawNoBlend = _blendBuilder.BlendState(blendStateBuilder
.ResetTo(GorgonBlendState.NoBlending)
.DestinationBlend(alpha: Blend.One)
.Build())
.Build();
GorgonApplication.IdleMethod = Gorgon_Idle;
}
catch (ReflectionTypeLoadException refEx)
{
string refErr = string.Join("\n", refEx.LoaderExceptions.Select(item => item.Message));
GorgonDialogs.ErrorBox(this, refErr);
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Form.Load" /> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs" /> that contains the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
Cursor.Current = Cursors.WaitCursor;
try
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
// Load the custom codec.
if (!LoadCodec())
{
GorgonDialogs.ErrorBox(this, "Unable to load the image codec plug in.");
GorgonApplication.Quit();
return;
}
// Set up the graphics interface.
// Find out which devices we have installed in the system.
IReadOnlyList <IGorgonVideoAdapterInfo> deviceList = GorgonGraphics.EnumerateAdapters();
if (deviceList.Count == 0)
{
GorgonDialogs.ErrorBox(this, "There are no suitable video adapters available in the system. This example is unable to continue and will now exit.");
GorgonApplication.Quit();
return;
}
_graphics = new GorgonGraphics(deviceList[0]);
_swap = new GorgonSwapChain(_graphics,
this,
new GorgonSwapChainInfo("Codec PlugIn SwapChain")
{
Width = ClientSize.Width,
Height = ClientSize.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_graphics.SetRenderTarget(_swap.RenderTargetView);
// Load the image to use as a texture.
IGorgonImageCodec png = new GorgonCodecPng();
_image = png.LoadFromFile(Path.Combine(GorgonExample.GetResourcePath(@"Textures\CodecPlugIn\").FullName, "SourceTexture.png"));
GorgonExample.LoadResources(_graphics);
ConvertImage();
GorgonApplication.IdleMethod = Idle;
}
catch (Exception ex)
{
GorgonExample.HandleException(ex);
GorgonApplication.Quit();
}
finally
{
Cursor.Current = Cursors.Default;
}
}
