internal static void DrawNodesToImage(out byte[] imageRawBytes, IList <Node> nodes, int width, int height)
{
MeshBuffer meshBuffer = new MeshBuffer();
MeshList meshList = new MeshList();
IPrimitiveRenderer primitiveRenderer = new BuiltinPrimitiveRenderer();
using (var context = new RenderContextForTest(width, height))
{
//This must be called after the context is created, for creating textures when the OpenGL context is built.
foreach (var node in nodes)
{
node.Draw(primitiveRenderer, 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();
}
}
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 BuiltinPrimitiveRenderer();
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 CheckExpectedImage(PathPrimitive primitive, int width, int height, string expectedImageFilePath)
{
byte[] imageRawBytes;
using (var context = new RenderContextForTest(width, height))
{
BuiltinPrimitiveRenderer primitiveRenderer = new BuiltinPrimitiveRenderer();
var mesh = new Mesh();
mesh.CommandBuffer.Add(DrawCommand.Default);
primitiveRenderer.DrawPathPrimitive(mesh, primitive, Vector.Zero);
context.Clear();
context.DrawShapeMesh(mesh);
imageRawBytes = context.GetRenderedRawBytes();
}
var image = Util.CreateImage(imageRawBytes, width, height, flip: true);
#if DEBUG
var expectedImage = Util.LoadImage(expectedImageFilePath);
Assert.True(Util.CompareImage(expectedImage, image));
#else
Util.SaveImage(image, Util.UnitTestRootDir + expectedImageFilePath); //generate expected image
#endif
}