VgVisualElement CreateTestRenderVx_FromImg2(string filename)
{
var spec = new SvgImageSpec()
{
ImageSrc = filename,
Width = new Css.CssLength(50, Css.CssUnitOrNames.Pixels),
Height = new Css.CssLength(50, Css.CssUnitOrNames.Pixels),
};
VgVisualDoc renderRoot = new VgVisualDoc(_vgVisualDocHost);
VgVisualElement vgimg = new VgVisualElement(WellknownSvgElementName.Image, spec, renderRoot);
vgimg.ImageBinder = _appHost.LoadImageAndBind(filename);
return(vgimg);
}
protected override void OnStart(AppHost host)
{
_appHost = host;//**
string svgfile = "../Test8_HtmlRenderer.Demo/Samples/Svg/others/volcano3.svg";
_vgVisualDoc = VgVisualDocHelper.CreateVgVisualDocFromFile(svgfile);
//
VgVisualElement vgVisualElem = _vgVisualDoc.VgRootElem;
{
UISprite wholeImgSprite = CreateUISpriteFromVgVisualElem(vgVisualElem);
}
//
if (_vgVisualDoc.TryGetVgVisualElementById("path62_larva3", out VgVisualElement vgPart))
{
UISprite larvaSprite = CreateUISpriteFromVgVisualElem(vgPart, true);
larvaSprite.SetTransformation(Affine.NewScaling(4));//scale
larvaSprite.SetLocation(100, 100);
}
}
VgVisualElement CreateEllipseVxs(PixelFarm.CpuBlit.RectD newBounds)
{
using (VxsTemp.Borrow(out var v1))
using (VectorToolBox.Borrow(out Ellipse ellipse))
{
ellipse.Set((newBounds.Left + newBounds.Right) * 0.5,
(newBounds.Bottom + newBounds.Top) * 0.5,
(newBounds.Right - newBounds.Left) * 0.5,
(newBounds.Top - newBounds.Bottom) * 0.5);
var spec = new SvgPathSpec()
{
FillColor = Color.Red
};
VgVisualDoc renderRoot = new VgVisualDoc();
VgVisualElement renderE = new VgVisualElement(WellknownSvgElementName.Path, spec, renderRoot);
renderE.VxsPath = ellipse.MakeVxs(v1).CreateTrim();
return(renderE);
}
}
public static VgVisualElement CreateVgVisualElementFromGlyph(string actualFontFile, float sizeInPts, char c)
{
if (!s_loadedTypefaces.TryGetValue(actualFontFile, out Typography.OpenFont.Typeface typeface))
{
//create vgrender vx from font-glyph
//
using (System.IO.FileStream fs = new FileStream(actualFontFile, FileMode.Open))
{
Typography.OpenFont.OpenFontReader reader = new Typography.OpenFont.OpenFontReader();
typeface = reader.Read(fs);
}
}
if (_glyphMaskStore == null)
{
_glyphMaskStore = new Typography.Contours.GlyphMeshStore();
_glyphMaskStore.FlipGlyphUpward = true;
}
_glyphMaskStore.SetFont(typeface, sizeInPts);
//-----------------
VertexStore vxs = _glyphMaskStore.GetGlyphMesh(typeface.GetGlyphIndex(c));
var spec = new SvgPathSpec()
{
FillColor = Color.Red
};
VgVisualDoc renderRoot = new VgVisualDoc();
VgVisualElement renderE = new VgVisualElement(WellknownSvgElementName.Path, spec, renderRoot);
//offset the original vxs to (0,0) bounds
//PixelFarm.CpuBlit.RectD bounds = vxs.GetBoundingRect();
//Affine translate = Affine.NewTranslation(-bounds.Left, -bounds.Bottom);
//renderE._vxsPath = vxs.CreateTrim(translate);
PixelFarm.CpuBlit.RectD bounds = vxs.GetBoundingRect();
Affine translate = Affine.NewTranslation(-bounds.Left, -bounds.Bottom);
renderE.VxsPath = vxs.CreateTrim(translate);
return(renderE);
}
VgVisualElement CreateTestRenderVx_BasicShape()
{
var spec = new SvgPathSpec()
{
FillColor = Color.Red
};
VgVisualDoc renderRoot = new VgVisualDoc();
VgVisualElement renderE = new VgVisualElement(WellknownSvgElementName.Path, spec, renderRoot);
using (Tools.BorrowVxs(out var v1))
{
//red-triangle ***
v1.AddMoveTo(10, 10);
v1.AddLineTo(60, 10);
v1.AddLineTo(60, 30);
v1.AddLineTo(10, 30);
v1.AddCloseFigure();
renderE.VxsPath = v1.CreateTrim();
}
return(renderE);
}
protected override void OnStart(AppHost host)
{
_vgVisualDocHost = new VgVisualDocHost();
_vgVisualDocHost.SetInvalidateDelegate(vgElem =>
{
//invalidate graphic here
});
_backBoard = new BackDrawBoardUI(800, 600);
_backBoard.BackColor = Color.White;
host.AddChild(_backBoard);
//load lion svg
string svgfile = "../Test8_HtmlRenderer.Demo/Samples/Svg/others/tiger.svg";
//string svgfile = "1f30b.svg";
//string svgfile = "../Data/Svg/twemoji/1f30b.svg";
//string svgfile = "../Data/1f30b.svg";
//string svgfile = "../Data/Svg/twemoji/1f370.svg";
VgVisualDoc vgDocRoot = ReadSvgFile(svgfile);
VgVisualElement vgVisElem = vgDocRoot.VgRootElem;
var uiSprite = new UISprite(10, 10);
uiSprite.LoadVg(vgVisElem);
_backBoard.AddChild(uiSprite);
//
_redBox = new LayoutFarm.CustomWidgets.Box(50, 50); //visual rect box
_redBox.BackColor = Color.Red;
_redBox.SetLocation(10, 10);
//box1.dbugTag = 1;
SetupActiveBoxProperties(_redBox);
_backBoard.AddChild(_redBox);
//----------------------
//--------
_rectBoxController = new CustomWidgets.RectBoxController();
_rectBoxController.Init();
_backBoard.AddChild(_rectBoxController);
//foreach (var ui in rectBoxController.GetControllerIter())
//{
// viewport.AddContent(ui);
//}
//--------
var svgEvListener = new GeneralEventListener();
//uiSprite.AttachExternalEventListener(svgEvListener);
svgEvListener.MouseDown += (e) =>
{
//e.MouseCursorStyle = MouseCursorStyle.Pointer;
////--------------------------------------------
//e.SetMouseCapture(rectBoxController.ControllerBoxMain);
_rectBoxController.UpdateControllerBoxes(_redBox);
_rectBoxController.Focus();
//System.Console.WriteLine("click :" + (count++));
};
_rectBoxController.ControllerBoxMain.KeyDown += (s1, e1) =>
{
if (e1.KeyCode == UIKeys.C && e1.Ctrl)
{
//test copy back image buffer from current rect area
#if DEBUG
//int left = rectBoxController.ControllerBoxMain.Left;
//int top = rectBoxController.ControllerBoxMain.Top;
//int width = rectBoxController.ControllerBoxMain.Width;
//int height = rectBoxController.ControllerBoxMain.Height;
//using (DrawBoard drawBoard = DrawBoardCreator.CreateNewDrawBoard(1, width, height))
//{
// //create new draw board
// drawBoard.OffsetCanvasOrigin(left, top);
// _backBoard.CurrentPrimaryRenderElement.CustomDrawToThisCanvas(drawBoard, new Rectangle(0, 0, width, height));
// using (var img2 = new PixelFarm.CpuBlit.ActualBitmap(width, height))
// {
// //copy content from drawboard to target image and save
// drawBoard.RenderTo(img2, 0, 0, width, height);
// PixelFarm.CpuBlit.Imaging.PngImageWriter.SaveImgBufferToPngFile(
// PixelFarm.CpuBlit.ActualBitmap.GetBufferPtr(img2),
// img2.Stride,
// img2.Width,
// img2.Height,
// "d:\\WImageTest\\tiger.png");
// }
// //copy content from drawboard to target image and save
//}
#endif
}
};
}
