internal static void CheckRectangle(Brush brush, Pen pen, Rect rectangle,
int width, int height,
[CallerMemberName] string methodName = "unknown")
{
Application.EnableMSAA = false;
MeshBuffer meshBuffer = new MeshBuffer();
MeshList meshList = new MeshList();
BuiltinGeometryRenderer renderer = new BuiltinGeometryRenderer();
byte[] bytes;
using (var context = new RenderContextForTest(width, height))
{
renderer.OnBeforeRead();
renderer.DrawRectangle(brush, pen, rectangle);//This must be called after the RenderContextForTest is created, for uploading textures to GPU via OpenGL.
renderer.OnAfterRead(meshList);
//rebuild mesh buffer
meshBuffer.Clear();
meshBuffer.Init();
meshBuffer.Append(meshList);
//draw mesh buffer to screen
context.Clear();
context.DrawMeshes(meshBuffer);
bytes = context.GetRenderedRawBytes();
}
Util.CheckExpectedImage(bytes, width, height, $"{RootDir}{nameof(DrawRectangle)}\\{methodName}.png");
}
internal static void DrawNodesToImage(out byte[] imageRawBytes, IList <Node> nodes, int width, int height)
{
MeshBuffer meshBuffer = new MeshBuffer();
MeshList meshList = new MeshList();
IGeometryRenderer geometryRenderer = new BuiltinGeometryRenderer();
using (var context = new RenderContextForTest(width, height))
{
//This must be called after the context is created, for uploading textures to GPU via OpenGL.
foreach (var node in nodes)
{
node.Draw(geometryRenderer, meshList);
}
//rebuild mesh buffer
meshBuffer.Clear();
meshBuffer.Init();
meshBuffer.Build(meshList);
//draw mesh buffer to screen
context.Clear();
context.DrawMeshes(meshBuffer);
imageRawBytes = context.GetRenderedRawBytes();
}
}
internal static void DrawNodeToImage_NewPipeline(out byte[] imageRawBytes, Node node, int width, int height)
{
Application.EnableMSAA = false;
MeshBuffer meshBuffer = new MeshBuffer();
MeshList meshList = new MeshList();
BuiltinGeometryRenderer geometryRenderer = new BuiltinGeometryRenderer();
using (var context = new RenderContextForTest(width, height))
{
RenderContext renderContext = new RenderContext(geometryRenderer, meshList);
//This must be called after the RenderContextForTest is created, for uploading textures to GPU via OpenGL.
node.Render(renderContext);
//rebuild mesh buffer
meshBuffer.Clear();
meshBuffer.Init();
meshBuffer.Build(meshList);
//draw mesh buffer to screen
context.Clear();
context.DrawMeshes(meshBuffer);
imageRawBytes = context.GetRenderedRawBytes();
}
}
internal static void DrawNodeTreeToImage(out byte[] imageRawBytes, Node root, int width, int height, Rect clipRect)
{
if (root == null)
{
throw new ArgumentNullException(nameof(root));
}
MeshBuffer meshBuffer = new MeshBuffer();
MeshList meshList = new MeshList();
BuiltinGeometryRenderer geometryRenderer = new BuiltinGeometryRenderer();
using (var context = new RenderContextForTest(width, height))
{
if (root is Node rootNode)
{
using (var dc = rootNode.RenderOpen())
{
dc.DrawBoxModel(rootNode.RuleSet, rootNode.Rect);
}
}
root.Foreach(visual =>
{
if (!(visual is Node node))
{
return(true);
}
using (var dc = node.RenderOpen())
{
dc.DrawBoxModel(node.RuleSet, node.Rect);
}
return(true);
});
//This must be called after the context is created, for uploading textures to GPU via OpenGL.
root.Render(new RenderContext(geometryRenderer, meshList));
//rebuild mesh buffer
meshBuffer.Clear();
meshBuffer.Init();
meshBuffer.Build(meshList);
//draw mesh buffer to screen
context.Clear();
context.DrawMeshes(meshBuffer);
imageRawBytes = context.GetRenderedRawBytes();
}
}
public static byte[] DrawAsOpenGLPixelBytes(FormattedText formattedText,
Brush brush, int width, int height, Rect clipRect)
{
BuiltinGeometryRenderer renderer = new BuiltinGeometryRenderer();
renderer.PushClipRect(clipRect);
renderer.OnBeforeRead();
renderer.DrawEllipse(null, new Pen(Color.DarkSeaGreen, 1),
formattedText.OriginPoint, 2, 2);
renderer.DrawLine(new Pen(Color.Gray, 1), formattedText.OriginPoint,
formattedText.OriginPoint + new Vector(width, 0));
renderer.DrawText(brush, formattedText);
var mesh = renderer.ShapeMesh;
var textMesh = renderer.TextMesh;
var bytes = Util.DrawAsOpenGLPixelBytes(mesh, textMesh, width, height);
return(bytes);
}
internal static void DrawNodeTreeToImage(out byte[] imageRawBytes, Node root, int width, int height, Rect clipRect)
{
MeshBuffer meshBuffer = new MeshBuffer();
MeshList meshList = new MeshList();
var primitiveRenderer = new BuiltinGeometryRenderer();
using (var context = new RenderContextForTest(width, height))
{
//This must be called after the context is created, for uploading textures to GPU via OpenGL.
root.Foreach(n => primitiveRenderer.Draw(n, clipRect, meshList));
//rebuild mesh buffer
meshBuffer.Clear();
meshBuffer.Init();
meshBuffer.Build(meshList);
//draw mesh buffer to screen
context.Clear();
context.DrawMeshes(meshBuffer);
imageRawBytes = context.GetRenderedRawBytes();
}
}
internal static void DrawDrawingVisualToImage(out byte[] imageRawBytes,
int width, int height, DrawingVisual drawingVisual)
{
//convert geometries inside the drawingVisual's content to meshes stored in a MeshList with a BuiltinGeometryRenderer
MeshList meshList = new MeshList();
using BuiltinGeometryRenderer geometryRenderer = new BuiltinGeometryRenderer();
RenderContext renderContext = new RenderContext(geometryRenderer, meshList);
drawingVisual.RenderContent(renderContext);
//merge meshes in the MeshList to a MeshBuffer
MeshBuffer meshBuffer = new MeshBuffer();
meshBuffer.Clear();
meshBuffer.Init();
meshBuffer.Build(meshList);
//created a mesh IRenderer
Application.Init();
var window = Application.PlatformContext.CreateWindow(Point.Zero, new Size(100, 100),
WindowTypes.Hidden);
var renderer = Application.PlatformContext.CreateRenderer() as Win32OpenGLRenderer;//TEMP HACK
Debug.Assert(renderer != null, nameof(renderer) + " != null");
renderer.Init(window.Pointer, window.ClientSize);
//clear the canvas and draw mesh in the MeshBuffer with the mesh renderer
renderer.Clear(Color.White);
renderer.StartDrawMeshToImage(width, height);
imageRawBytes = renderer.DrawMeshToImage(width, height, meshBuffer.ShapeMesh, OpenGLMaterial.shapeMaterial);
renderer.EndDrawMeshToImage();
//clear native resources: window and IRenderer
renderer.ShutDown();
window.Close();
}
public void ShowAnimateNode()
{
//FIXME make this test automatable
Application.IsRunningInUnitTest = true;
Application.InitSysDependencies();
MeshBuffer meshBuffer = new MeshBuffer();
MeshList meshList = new MeshList();
var primitiveRenderer = new BuiltinGeometryRenderer();
Node node = new Node(1);
node.Geometry = new PathGeometry();
var window = new Win32Window();
window.Init(new Point(100, 100), new Size(800, 600), WindowTypes.Regular);
var renderer = new Win32OpenGLRenderer();
renderer.Init(window.Pointer, window.ClientSize);
window.Show();
var A = new Point(200, 200);
var B = new Point(600, 200);
var C = new Point(400, 400);
while (true)
{
Time.OnFrameBegin();
Keyboard.Instance.OnFrameBegin();
window.MainLoop(() =>
{
if (Keyboard.Instance.KeyDown(Key.Escape))
{
Application.Quit();
}
var normal = (Time.time % 1000) / 1000f * 2 - 1;
var rad = normal * Math.PI;
var A_ = A + 50 * new Vector(Math.Cos(rad) - Math.Sin(rad), Math.Sin(rad) + Math.Cos(rad));
rad += Math.PI * 0.333;
var B_ = B + 30 * new Vector(Math.Cos(rad) - Math.Sin(rad), Math.Sin(rad) + Math.Cos(rad));
rad += Math.PI * 0.666;
var C_ = C + 70 * new Vector(Math.Cos(rad) - Math.Sin(rad), Math.Sin(rad) + Math.Cos(rad));
var d = node.Geometry as PathGeometry;
d.PathClear();
d.PathMoveTo(A_);
d.PathLineTo(B_);
d.PathLineTo(C_);
d.PathStroke(2, Color.Blue);
//update nodes
if (node.ActiveInTree)//this is actually always true
{
node.Draw(primitiveRenderer, meshList);
}
//rebuild mesh buffer
meshBuffer.Clear();
meshBuffer.Init();
meshBuffer.Build(meshList);
//draw mesh buffer to screen
renderer.Clear(Color.FrameBg);
renderer.DrawMeshes((int)window.ClientSize.Width, (int)window.ClientSize.Height,
(shapeMesh: meshBuffer.ShapeMesh, imageMesh: meshBuffer.ImageMesh, meshBuffer.TextMesh));
renderer.SwapBuffers();
});
if (Application.RequestQuit)
{
break;
}
Keyboard.Instance.OnFrameEnd();
Time.OnFrameEnd();
}
}
