/// <summary>
/// Create a Sprite icon of a SVG image.
/// </summary>
/// <param name="svgContent">String containing svg content.</param>
/// <remarks>
/// Standard header and footer will be included if not found in svgContent
/// </remarks>
public static Sprite GetSprite(string svgContent)
{
string svg;
if (svgContent.StartsWith("<?xml version = \"1.0\" encoding=\"UTF - 8\"?>"))
{
svg = svgContent;
}
else
{
svg = svgIconHeader + svgContent;
}
if (!svg.EndsWith(svgIconFooter))
{
svg = svg + svgIconFooter;
}
// Parse the SVG
SVGParser.SceneInfo sceneInfo = SVGParser.ImportSVG(new System.IO.StringReader(svg));
int width = Mathf.CeilToInt(sceneInfo.SceneViewport.width);
int height = Mathf.CeilToInt(sceneInfo.SceneViewport.height);
if ((width > 64) || (height > 64))
{
Debug.LogWarning("SVG icon of unusual size!");
}
List <VectorUtils.Geometry> iconGeometry = VectorUtils.TessellateScene(sceneInfo.Scene, tessellationOptions);
Sprite sprite = VectorUtils.BuildSprite(iconGeometry, 100f, VectorUtils.Alignment.Center, Vector2.zero, 128, true);
return(sprite);
}
private void ComputeTessellationOptions(SVGParser.SceneInfo sceneInfo, int targetResolution, float multiplier, out float stepDist, out float maxCord, out float maxTangent)
{
// These tessellation options were found by trial and error to find values that made
// visual sense with a variety of SVG assets.
// "Pixels per Unit" doesn't make sense for UI Toolkit since it will be displayed in
// a pixels space. We adjust the magic values below accordingly.
#if UNITY_2019_3_OR_NEWER
float ppu = (SvgType == SVGType.UIToolkit) ? 1.0f : SvgPixelsPerUnit;
#else
float ppu = SvgPixelsPerUnit;
#endif
var bbox = VectorUtils.ApproximateSceneNodeBounds(sceneInfo.Scene.Root);
float maxDim = Mathf.Max(bbox.width, bbox.height) / ppu;
// The scene ratio gives a rough estimate of coverage % of the vector scene on the screen.
// Higher values should result in a more dense tessellation.
float sceneRatio = maxDim / (targetResolution * multiplier);
stepDist = float.MaxValue; // No need for uniform step distance
#if UNITY_2019_3_OR_NEWER
if (SvgType == SVGType.UIToolkit)
{
maxCord = Mathf.Max(0.01f, 2.0f * sceneRatio);
maxTangent = Mathf.Max(0.1f, 3.0f * sceneRatio);
}
else
#endif
{
maxCord = Mathf.Max(0.01f, 75.0f * sceneRatio);
maxTangent = Mathf.Max(0.1f, 100.0f * sceneRatio);
}
}
/// <summary>
/// Create a Texture2D icon of a SVG image.
/// </summary>
/// <param name="svg">String containing svg content.</param>
public static Texture2D GetIcon(string svg)
{
// Parse the SVG
SVGParser.SceneInfo sceneInfo = SVGParser.ImportSVG(new System.IO.StringReader(svg));
int width = Mathf.CeilToInt(sceneInfo.SceneViewport.width);
int height = Mathf.CeilToInt(sceneInfo.SceneViewport.height);
if ((width > 64) || (height > 64))
{
Debug.LogWarning("SVG icon of unusual size!");
}
VectorUtils.TessellationOptions tessellationOptions = new VectorUtils.TessellationOptions()
{
StepDistance = 0.05f,
MaxCordDeviation = float.MaxValue,
MaxTanAngleDeviation = Mathf.PI / 2.0f,
SamplingStepSize = 0.01f
};
List <VectorUtils.Geometry> iconGeometry = VectorUtils.TessellateScene(sceneInfo.Scene, tessellationOptions);
Sprite sprite = VectorUtils.BuildSprite(iconGeometry, 1f, VectorUtils.Alignment.Center, Vector2.zero, 128, true);
Texture2D iconTexture = VectorUtils.RenderSpriteToTexture2D(sprite, width, height, renderMaterial);
return(iconTexture);
}
/// <summary>
/// Create a Texture2D icon of a SVG image (editor only version).
/// </summary>
/// <param name="svg">String containing svg content.</param>
/// <param name="renderUtil">PreviewRenderUtility to use for drawing</param>
public static Texture2D GetIcon(string svg, PreviewRenderUtility renderUtil)
{
// Parse the SVG
SVGParser.SceneInfo sceneInfo = SVGParser.ImportSVG(new System.IO.StringReader(svg));
int width = Mathf.CeilToInt(sceneInfo.SceneViewport.width);
int height = Mathf.CeilToInt(sceneInfo.SceneViewport.height);
if ((width > 64) || (height > 64))
{
Debug.LogWarning("SVG icon of unusual size!");
}
// Save the render state and get a temporary render texture
RenderTexture activeTexture = RenderTexture.active;
renderUtil.camera.targetTexture = RenderTexture.GetTemporary(width, height, 8, RenderTextureFormat.ARGB32);
renderUtil.camera.backgroundColor = Color.clear;
// Generate the mesh
Mesh iconMesh = new Mesh();
VectorUtils.TessellationOptions tessellationOptions = new VectorUtils.TessellationOptions()
{
StepDistance = 0.05f,
MaxCordDeviation = float.MaxValue,
MaxTanAngleDeviation = Mathf.PI / 2.0f,
SamplingStepSize = 0.01f
};
List <VectorUtils.Geometry> iconGeometry = VectorUtils.TessellateScene(sceneInfo.Scene, tessellationOptions);
VectorUtils.FillMesh(iconMesh, iconGeometry, 1f);
// Activate the render texture and draw the mesh into it
RenderTexture.active = renderUtil.camera.targetTexture;
float cameraSize = renderUtil.camera.orthographicSize;
Vector3 cameraPosition = renderUtil.camera.transform.position;
renderUtil.camera.orthographicSize = sceneInfo.SceneViewport.height / 2;
renderUtil.camera.transform.position = new Vector3(sceneInfo.SceneViewport.center.x, sceneInfo.SceneViewport.center.y, -1);
// HACK until FillMesh() flpYAxis is fixed
renderUtil.camera.transform.Rotate(0, 0, 180f);
renderUtil.DrawMesh(iconMesh, Matrix4x4.identity, renderMaterial, 0);
renderUtil.camera.Render();
renderUtil.camera.transform.Rotate(0, 0, 180f);
renderUtil.camera.orthographicSize = cameraSize;
renderUtil.camera.transform.position = cameraPosition;
Texture2D iconTexture = new Texture2D(width, height);
iconTexture.ReadPixels(new Rect(0, 0, width, height), 0, 0);
iconTexture.Apply();
// Restore the render state and release the temporary render texture
RenderTexture.active = activeTexture;
RenderTexture.ReleaseTemporary(renderUtil.camera.targetTexture);
return(iconTexture);
}
/// <summary>
/// Parse SVG into VectorShape list.
/// </summary>
public static List <VectorShape> ReadSVG(System.IO.TextReader svg)
{
List <VectorShape> shapes = new List <VectorShape>();
SVGParser.SceneInfo sceneInfo = SVGParser.ImportSVG(svg);
//Debug.Log(sceneInfo.SceneViewport);
Matrix2D rootTransform = Matrix2D.Scale(new Vector2(0.01f, -0.01f)) * sceneInfo.Scene.Root.Transform;
RecurseSVGNodes(sceneInfo.Scene.Root, rootTransform, shapes);
return(shapes);
}
private void ComputeTessellationOptions(SVGParser.SceneInfo sceneInfo, int targetResolution, float multiplier, out float stepDist, out float maxCord, out float maxTangent)
{
var bbox = VectorUtils.ApproximateSceneNodeBounds(sceneInfo.Scene.Root);
float maxDim = Mathf.Max(bbox.width, bbox.height) / SvgPixelsPerUnit;
// The scene ratio gives a rough estimate of coverage % of the vector scene on the screen.
// Higher values should result in a more dense tessellation.
float sceneRatio = maxDim / (targetResolution * multiplier);
stepDist = float.MaxValue; // No need for uniform step distance
maxCord = Mathf.Max(0.01f, 75.0f * sceneRatio);
maxTangent = Mathf.Max(0.1f, 100.0f * sceneRatio);
}
public void SetAppearance()
{
worldController = WorldController.GetWorldController;
citizen = GetComponent <Citizen>();
skinTone = worldController.skinTones[Random.Range(0, worldController.skinTones.Length)];
skinTone = ChangeColorBrightness(skinTone);
string svg =
@"<svg xmlns=""http://www.w3.org/2000/svg"" viewBox=""0 0 30.11 27.39"">
<g><path id=""Body"" d=""M30.81,17.36c0,7.43-6.63,13.45-14.81,13.45s-14.81-6-14.81-13.45a12.56,12.56,0,0,1,.36-3C3,8.4,8.94,3.92,16,3.92,24.18,3.92,30.81,9.94,30.81,17.36Z"" transform=""translate(-0.94 -3.67)"" fill=""#fff"" stroke=""#000"" stroke-miterlimit=""10"" stroke-width=""0.5""/></g>";
Hand(0);
Hand(1);
int hairChance = Random.Range(0, citizen.gender ? 100 : 55);
SVGParser.SceneInfo sceneInfo = default;
if (hairChance < 70)
{
SetHair(ref svg, ref sceneInfo);
}
else
{
svg += "</svg>";
sceneInfo = SVGParser.ImportSVG(new StringReader(svg));
}
var shape = sceneInfo.NodeIDs["Body"].Shapes[0];
shape.Fill = new SolidFill()
{
Color = skinTone
};
var tessOptions = new VectorUtils.TessellationOptions()
{
StepDistance = 100f,
MaxCordDeviation = 0.5f,
MaxTanAngleDeviation = 0.1f,
SamplingStepSize = 0.01f
};
var geoms = VectorUtils.TessellateScene(sceneInfo.Scene, tessOptions);
var sprite = VectorUtils.BuildSprite(geoms, 26, VectorUtils.Alignment.Center, Vector2.zero, 128, true);
GetComponent <SpriteRenderer>().sprite = sprite;
}
public bool ImportSVG(TextReader textReader, ViewportOptions viewportOptions, float dpi = 0, float pixelsPerUnit = 1, int windowWidth = 0, int windowHeight = 0)
{
bool ret = false;
try
{
_scene = SVGParser.ImportSVG(textReader, viewportOptions, dpi, pixelsPerUnit, windowWidth, windowHeight);
ret = true;
}
catch (System.Exception e)
{
Debug.LogError(e);
}
return(ret);
}
void ApplySVGPath()
{
string svgPath = "Assets/RouteData/drawsvg.svg";
SVGParser.SceneInfo sceneInfo = SVGParser.ImportSVG(new StreamReader(svgPath));
Shape path = sceneInfo.NodeIDs["e1_polyline"].Shapes[0];
Debug.Log(path);
BezierContour[] cs = path.Contours;
BezierContour c = cs[0];
//Debug.Log(c);
BezierPathSegment[] ss = c.Segments;
Debug.Log($"SVGRoute segments count: {ss.Length}");
for (int i = 0; i < ss.Length; i++)
{
BezierPathSegment s = ss[i];
Debug.Log($"SVGRoute Segment points: {s.P0} -> {s.P1} -> {s.P2}");
var debug1 = GameObject.Find($"SVGTarget{(i * 3) + 1}");
var debug2 = GameObject.Find($"SVGTarget{(i * 3) + 2}");
var debug3 = GameObject.Find($"SVGTarget{(i * 3) + 3}");
debug1.transform.localPosition = s.P0;
debug2.transform.localPosition = s.P1;
debug3.transform.localPosition = s.P2;
Debug.Log(debug3);
}
// debug1.transform.position = new Vector3(s.P0.x, 0.1f, s.P0.y);
// //(s.P0.x / 10) - 10f, 0.1f, (s.P0.y / 10) + 4.3f);
// debug2.transform.position = new Vector3(s.P1.x, 0.1f, s.P1.y);
// debug3.transform.position = new Vector3(s.P2.x, 0.1f, s.P2.y);
var debug0 = GameObject.Find("SVGTarget0");
debug0.transform.localPosition = Vector3.zero;
//path.
//var fill = shape.Fill as SolidFill;
//fill.Color = Color.red;
// ...
//var geoms = VectorUtils.TessellateScene(sceneInfo.Scene, tessOptions);
//var sprite = VectorUtils.BuildSprite(geoms, 100.0f, VectorUtils.Alignment.Center, Vector2.zero, 128, true);
}
void SetHair(ref string svg, ref SVGParser.SceneInfo sceneInfo)
{
if (citizen.age >= 55)
{
hairColour = Color.grey;
}
else
{
hairColour = worldController.hairColours[Random.Range(0, worldController.hairColours.Length)];
}
hairColour = ChangeColorBrightness(hairColour);
//string hairSvg =
// @"<svg xmlns=""http://www.w3.org/2000/svg"" viewBox=""0 0 30.21 14.6"">";
int style = 0;
if (!citizen.gender)
{
RandomHairStyle(ref svg, out style);
}
svg += @"<g><path id=""Hair1"" d=""M30.82,16.71c.29,7.6-6.42,14-14.57,14.1-8.33.12-15.34-6.33-15-14.1"" transform=""translate(-1 -2.6)"" fill=""#fff"" stroke=""#040000"" stroke-linecap=""round"" stroke-miterlimit=""10"" stroke-width=""0.5""/></g>
<g><path id=""Hair2"" d=""M1.12,16.71a29.34,29.34,0,0,0,14.88,4,29.25,29.25,0,0,0,14.75-4"" transform=""translate(-1 -2.6)"" fill=""#fff"" stroke=""#000"" stroke-linecap=""round"" stroke-miterlimit=""10"" stroke-width=""0.5""/></g>
</svg>";
sceneInfo = SVGParser.ImportSVG(new StringReader(svg));
var hairShape = sceneInfo.NodeIDs["Hair1"].Shapes[0];
hairShape.Fill = new SolidFill()
{
Color = hairColour
};
hairShape = sceneInfo.NodeIDs["Hair2"].Shapes[0];
hairShape.Fill = new SolidFill()
{
Color = skinTone
};
if (!citizen.gender)
{
switch (style)
{
case 0:
hairShape = sceneInfo.NodeIDs["PonyTail"].Shapes[0];
hairShape.Fill = new SolidFill()
{
Color = hairColour
};
hairShape = sceneInfo.NodeIDs["PonyTail2"].Shapes[0];
hairShape.Fill = new SolidFill()
{
Color = hairColour
};
break;
case 1:
hairShape = sceneInfo.NodeIDs["PonyTail"].Shapes[0];
hairShape.Fill = new SolidFill()
{
Color = hairColour
};
break;
}
}
//var tessOptions = new VectorUtils.TessellationOptions()
//{
// StepDistance = 100f,
// MaxCordDeviation = 0.5f,
// MaxTanAngleDeviation = 0.1f,
// SamplingStepSize = 0.01f
//};
//var geoms = VectorUtils.TessellateScene(hairSceneInfo.Scene, tessOptions);
//var sprite = VectorUtils.BuildSprite(geoms, 26, VectorUtils.Alignment.Center, Vector2.zero, 128, true);
//GameObject go = new GameObject("Hair");
//go.transform.SetParent(transform);
//transform.GetChild(0).gameObject.SetActive(true);
//go.AddComponent<SpriteRenderer>();
//go.transform.localPosition = new Vector3(0, citizen.gender ? -.25f : -.355f, 0);
//SpriteRenderer sr = go.GetComponent<SpriteRenderer>();
//sr.sprite = sprite;
//sr.sortingLayerID = GetComponent<SpriteRenderer>().sortingLayerID;
//sr.sortingOrder = GetComponent<SpriteRenderer>().sortingOrder;
}
void Start()
{
// Prepare the vector path, add it to the vector scene.
m_Path = new Shape()
{
Contours = new BezierContour[] {
new BezierContour()
{
Segments = new BezierPathSegment[2]
},
new BezierContour()
{
Segments = new BezierPathSegment[2]
}
},
PathProps = new PathProperties()
{
Stroke = new Stroke()
{
Color = Color.white,
HalfThickness = 0.1f
}
}
};
m_Scene = new Scene()
{
Root = new SceneNode()
{
Shapes = new List <Shape> {
//m_Path
}
}
};
m_Options = new VectorUtils.TessellationOptions()
{
StepDistance = 1000.0f,
MaxCordDeviation = 0.05f,
MaxTanAngleDeviation = 0.05f,
SamplingStepSize = 0.01f
};
// Instantiate a new mesh, it will be filled with data in Update()
m_Mesh = new Mesh();
GetComponent <MeshFilter>().mesh = m_Mesh;
// =======================================================================
string path = string.Format(@"D:\WriteByHand\svgs\{0}.svg", 20986);
string svg = SVGHelper.readSVG(path);
SVGParser.SceneInfo scene_info = SVGParser.ImportSVG(new StringReader(svg));
Scene scene = scene_info.Scene;
SceneNode word = scene.Root.Children[1];
// 前半為背景(無 Clipper)，後半為寫字筆劃(有 Clipper)
List <SceneNode> bg_and_stroke = word.Children;
int double_stroke_number = bg_and_stroke.Count;
int stroke_number = double_stroke_number / 2;
// 筆劃第一筆
SceneNode test_node = bg_and_stroke[stroke_number];
List <Shape> test_shapes = test_node.Shapes;
SceneNode test_clipper_node = (test_node.Clipper == null) ? null : test_node.Clipper;
List <Shape> test_clippers = new List <Shape>();
if (test_clipper_node != null)
{
test_clippers = test_clipper_node.Children[0].Shapes;
if (test_clippers != null)
{
print("test_clippers len:" + test_clippers.Count);
Shape test_clipper_shape = test_clippers[0];
}
else
{
print("test_clippers is null");
}
}
else
{
print("test_clipper_node is null");
}
Shape test_stroke = test_shapes[0];
BezierContour[] bezierContours = test_stroke.Contours;
BezierPathSegment[] bezierPathSegments = bezierContours[0].Segments;
BezierPathSegment point1 = bezierPathSegments[0];
BezierPathSegment point2 = bezierPathSegments[bezierPathSegments.Length - 1];
#region Word scene
// 遮罩嘗試
display_scene = new Scene()
{
Root = new SceneNode()
{
Children = new List <SceneNode>()
{
#region One stroke
new SceneNode()
{
Shapes = new List <Shape>()
{
#region Piece of stroke
new Shape()
{
Contours = new BezierContour[] {
new BezierContour()
{
Segments = new BezierPathSegment[]
{
point1,
point2
}
},
//new BezierContour() {
// Segments = new BezierPathSegment[2]
//}
},
PathProps = new PathProperties()
{
Stroke = new Stroke()
{
Color = Color.white,
HalfThickness = 10f
}
}
}
#endregion Piece of stroke end
},
Clipper = new SceneNode()
{
Shapes = new List <Shape>()
{
#region Piece of clipper
test_clippers[0]
#endregion Piece of clipper end
}
}
}
#endregion One stroke end
}
}
};
#endregion Word scene end
StartCoroutine(nextStroke(bg_and_stroke));
}
void Start()
{
//string svg =
// @"<svg width=""283.9"" height=""283.9"" xmlns=""http://www.w3.org/2000/svg"">
// <line x1=""170.3"" y1=""226.99"" x2=""177.38"" y2=""198.64"" fill=""none"" stroke=""#888"" stroke-width=""1""/>
// <line x1=""205.73"" y1=""198.64"" x2=""212.81"" y2=""226.99"" fill=""none"" stroke=""#888"" stroke-width=""1""/>
// <line x1=""212.81"" y1=""226.99"" x2=""219.9"" y2=""255.33"" fill=""none"" stroke=""#888"" stroke-width=""1""/>
// <line x1=""248.25"" y1=""255.33"" x2=""255.33"" y2=""226.99"" fill=""none"" stroke=""#888"" stroke-width=""1""/>
// <path d=""M170.08,226.77c7.09-28.34,35.43-28.34,42.52,0s35.43,28.35,42.52,0"" transform=""translate(0.22 0.22)"" fill=""none"" stroke=""red"" stroke-width=""1.2""/>
// <circle cx=""170.3"" cy=""226.99"" r=""1.2"" fill=""blue"" stroke-width=""0.6""/>
// <circle cx=""212.81"" cy=""226.99"" r=""1.2"" fill=""blue"" stroke-width=""0.6""/>
// <circle cx=""255.33"" cy=""226.99"" r=""1.2"" fill=""blue"" stroke-width=""0.6""/>
// <circle cx=""177.38"" cy=""198.64"" r=""1"" fill=""black"" />
// <circle cx=""205.73"" cy=""198.64"" r=""1"" fill=""black"" />
// <circle cx=""248.25"" cy=""255.33"" r=""1"" fill=""black"" />
// <circle cx=""219.9"" cy=""255.33"" r=""1"" fill=""black"" />
// </svg>";
var tessOptions = new VectorUtils.TessellationOptions()
{
StepDistance = 100.0f,
MaxCordDeviation = 0.5f,
MaxTanAngleDeviation = 0.1f,
SamplingStepSize = 0.01f
};
//Pfad zur Datei
string svgFilePath = Application.dataPath + "/Resources/testObject_layerTest-10-10.svg";
StreamReader sr = new StreamReader(svgFilePath);
string svgText = sr.ReadToEnd();
print(svgText);
sr.Close();
sr.Dispose();
var sceneInfo = SVGParser.ImportSVG(new StringReader(svgText));
int NrOfLayers = sceneInfo.Scene.Root.Children.Count;
m_Sprites = new Sprite[NrOfLayers];
SVGParser.SceneInfo[] m_SIArray = new SVGParser.SceneInfo[NrOfLayers];
List <VectorUtils.Geometry>[] m_Geoms = new List <VectorUtils.Geometry> [NrOfLayers];
for (int i = 0; i < NrOfLayers; i++)
{
m_SIArray[i] = SVGParser.ImportSVG(new StringReader(svgText));
int removed = 0;
for (int c = 0; c < NrOfLayers; c++)
{
if (c != i)
{
//print("at " + i + " removing index " + c);
m_SIArray[i].Scene.Root.Children.Remove(m_SIArray[i].Scene.Root.Children[c - removed]);
removed++;
}
}
var fullBounds = VectorUtils.SceneNodeBounds(sceneInfo.Scene.Root);
var localBounds = VectorUtils.SceneNodeBounds(sceneInfo.Scene.Root.Children[i]);
var pivot = localBounds.position - fullBounds.position;
var localSceneBounds = VectorUtils.SceneNodeBounds(m_SIArray[i].Scene.Root);
Vector2 position = new Vector2(fullBounds.position.x, fullBounds.position.y);
// position = new Vector2(fullBounds.center.x / fullBounds.width - (localBounds.position.x) / fullBounds.width, fullBounds.center.y / fullBounds.height - localBounds.position.y / fullBounds.height);
//position = new Vector2((fullBounds.center.x - localBounds.position.x )/ fullBounds.width, 0);
//position = new Vector2((fullBounds.position.x-localBounds.position.x-pivot.x) / fullBounds.width , 0);
position = new Vector2(0, 0);
print("FullBounds: " + fullBounds + " localBounds:" + localBounds);// + " localSceneBounds:"+ localSceneBounds);
//print(i + ": " + position+" / pivot: "+pivot);
//print(position.x * fullBounds.width + " , " + position.y * fullBounds.height);
m_Geoms[i] = VectorUtils.TessellateScene(m_SIArray[i].Scene, tessOptions);
m_Sprites[i] = VectorUtils.BuildSprite(m_Geoms[i], 1000.0f, VectorUtils.Alignment.TopLeft, position, 128, true);
GameObject go = new GameObject();
SpriteRenderer s = go.AddComponent <SpriteRenderer>();
go.transform.parent = transform;
// go.transform.position = new Vector3((localSceneBounds.x - fullBounds.width/2f)/1000f, (fullBounds.y + fullBounds.height/2f - localSceneBounds.y) /1000f , 0);
go.transform.position = new Vector3((localBounds.x) / 1000f, (fullBounds.y - localBounds.y) / 1000f, 0);
s.sprite = m_Sprites[i];
//var test = typeof(VectorUtils.TessellateScene);
//var methods = test.GetMethods();
//// test code: generate better shape
//bool m_BetterGeneratePhysicsShape = true;
//if (m_BetterGeneratePhysicsShape)
//{
// var test = typeof(VectorUtils);
// var methods = test.GetMethods();
// foreach (MethodInfo mf in methods)
// {
// Debug.Log(mf.Name);
// }
// var physicsShapes = VectorUtils.TraceNodeHierarchyShapes(sceneInfo.Scene.Root, tessOptions);
// var rect = sceneInfo.SceneViewport;
// foreach (var vertices in physicsShapes)
// {
// if (rect == Rect.zero)
// {
// rect = VectorUtils.Bounds(vertices);
// VectorUtils.RealignVerticesInBounds(vertices, rect, flip: true);
// }
// else
// {
// VectorUtils.FlipVerticesInBounds(vertices, rect);
// VectorUtils.ClampVerticesInBounds(vertices, rect);
// }
// }
// m_Sprites[i].OverridePhysicsShape(physicsShapes);
//}
//// test code end
go.AddComponent <PolygonCollider2D>();
//PrefabUtility.SaveAsPrefabAsset(go, svgFilePath.Replace(".svg", "_2" + i.ToString() + ".prefab"));
}
//AssetImportContext ctx;
//ctx.AddObjectToAsset();
//var geoms = VectorUtils.TessellateScene(sceneInfo.Scene, tessOptions);
//// Build a sprite with the tessellated geometry.
//var sprite = VectorUtils.BuildSprite(geoms, 1000.0f, VectorUtils.Alignment.TopLeft, Vector2.zero, 128, true);
//GetComponent<SpriteRenderer>().sprite = sprite;
//GenerateSpriteAsset(ctx, sprite, name);
}
/// <summary>
/// Create a Texture2D icon of a SVG image (editor only version).
/// </summary>
/// <param name="svg">String containing svg content.</param>
/// <param name="renderUtil">PreviewRenderUtility to use for drawing</param>
/// <remarks>
/// Standard header and footer will be included if not found in svgContent
/// </remarks>
public static Texture2D GetIcon(string svgContent, PreviewRenderUtility renderUtil)
{
string svg;
if (svgContent.StartsWith("<?xml version = \"1.0\" encoding=\"UTF - 8\"?>"))
{
svg = svgContent;
}
else
{
svg = svgIconHeader + svgContent;
}
if (!svg.EndsWith(svgIconFooter))
{
svg = svg + svgIconFooter;
}
// Parse the SVG
SVGParser.SceneInfo sceneInfo = SVGParser.ImportSVG(new System.IO.StringReader(svg));
int width = Mathf.CeilToInt(sceneInfo.SceneViewport.width);
int height = Mathf.CeilToInt(sceneInfo.SceneViewport.height);
if ((width > 64) || (height > 64))
{
Debug.LogWarning("SVG icon of unusual size!");
}
// Save the render state and get a temporary render texture
RenderTexture activeTexture = RenderTexture.active;
renderUtil.camera.targetTexture = RenderTexture.GetTemporary(width * 2, height * 2, 8, RenderTextureFormat.ARGB32);
renderUtil.camera.backgroundColor = Color.clear;
// Generate the mesh
Mesh iconMesh = new Mesh();
List <VectorUtils.Geometry> iconGeometry = VectorUtils.TessellateScene(sceneInfo.Scene, tessellationOptions);
VectorUtils.FillMesh(iconMesh, iconGeometry, 1f);
// Activate the render texture and draw the mesh into it
RenderTexture.active = renderUtil.camera.targetTexture;
float cameraSize = renderUtil.camera.orthographicSize;
Vector3 cameraPosition = renderUtil.camera.transform.position;
renderUtil.camera.orthographicSize = sceneInfo.SceneViewport.height / 2;
renderUtil.camera.transform.position = new Vector3(sceneInfo.SceneViewport.center.x, sceneInfo.SceneViewport.center.y, -1);
// HACK until FillMesh() flpYAxis is fixed
renderUtil.camera.transform.Rotate(0, 0, 180f);
renderUtil.DrawMesh(iconMesh, Matrix4x4.identity, renderMaterial, 0);
renderUtil.camera.Render();
renderUtil.camera.transform.Rotate(0, 0, 180f);
renderUtil.camera.orthographicSize = cameraSize;
renderUtil.camera.transform.position = cameraPosition;
Texture2D iconTexture = new Texture2D(width * 2, height * 2);
iconTexture.ReadPixels(new Rect(0, 0, width * 2, height * 2), 0, 0);
iconTexture.Apply();
// Restore the render state and release the temporary objects
RenderTexture.active = activeTexture;
RenderTexture.ReleaseTemporary(renderUtil.camera.targetTexture);
UnityEngine.Object.DestroyImmediate(iconMesh);
return(iconTexture);
}
// Start is called before the first frame update
void Start()
{
string path = string.Format(@"D:\WriteByHand\svgs\{0}.svg", 20986);
string svg = SVGHelper.readSVG(path);
SVGParser.SceneInfo scene_info = SVGParser.ImportSVG(new StringReader(svg));
scene = scene_info.Scene;
// svg 本體
SceneNode node = scene.Root;
List <SceneNode> layer1 = node.Children;
// node0：背景米字；node1：字的筆劃
SceneNode node0 = layer1[0], node1 = layer1[1];
// 背景米字
//List<SceneNode> layer2 = node0.Children;
//print("layer2:" + layer2.Count);
// 字的筆劃
List <SceneNode> layer3 = node1.Children;
//print("layer3:" + layer3.Count);
//int n = 0;
//foreach (SceneNode scene_node in layer3)
//{
// print(string.Format("=== Node {0} ===", ++n));
// List<Shape> shapes = scene_node.Shapes; // length = 1
// Shape shape = shapes[0]; // length = 1
// BezierContour[] contours = shape.Contours; // length = 1
// BezierPathSegment[] segments = contours[0].Segments; // 每一筆劃的區段數量不同
// int num = 0;
// foreach(BezierPathSegment bezierPathSegment in segments)
// {
// print(string.Format("= segment {0} =", ++num));
// print(bezierPathSegment.P0);
// print(bezierPathSegment.P1);
// print(bezierPathSegment.P2);
// break;
// }
// SceneNode clipper = (scene_node.Clipper == null) ? null : scene_node.Clipper;
// if(clipper != null)
// {
// List<SceneNode> clippers = clipper.Children; // length = 1
// SceneNode mask = clippers[0];
// List<Shape> m_shapes = mask.Shapes; // length = 1
// Shape m_shape = m_shapes[0];
// BezierContour[] m_contours = m_shape.Contours; // length = 1
// //print("m_contours len:" + m_contours.Length);
// BezierPathSegment[] m_segments = m_contours[0].Segments; // 每一筆劃的區段數量不同
// //print("m_segments len:" + m_segments.Length);
// int number = 0;
// foreach (BezierPathSegment m_bezierPathSegment in m_segments)
// {
// print(string.Format("= clipper segment {0} =", ++number));
// print(m_bezierPathSegment.P0);
// print(m_bezierPathSegment.P1);
// print(m_bezierPathSegment.P2);
// break;
// }
// }
// else
// {
// print("clipper is null");
// }
//}
n_scene = new Scene()
{
Root = new SceneNode()
{
// node.Children 正常的字
// node1.Children 上下相反的字
//Children = node.Children
Children = new List <SceneNode>()
{
new SceneNode()
{
Children = node1.Children
}
}
}
};
//foreach (SceneNode sceneNode in layer3)
//{
// n_scene.Root.Children.Add(sceneNode);
//}
sceneDisplay(n_scene, render);
//StartCoroutine(nextStroke(layer3));
}
/// <summary>
/// Imports a vector texture
/// </summary>
/// <param name="file">The file to import from</param>
/// <param name="size">The size of the texture</param>
/// <param name="type"></param>
/// <returns>The vector texture imported as a Sprite</returns>
public static Sprite ImportVector(FileInfo file, int size, SpriteImportType type)
{
StreamReader reader = null;
StringReader sr = null;
try
{
reader = new StreamReader(file.OpenRead());
sr = new StringReader(reader.ReadToEnd());
SVGParser.SceneInfo scene = SVGParser.ImportSVG(sr);
VectorUtils.TessellationOptions tessOptions = new VectorUtils.TessellationOptions()
{
StepDistance = 100.0f,
MaxCordDeviation = 0.5f,
MaxTanAngleDeviation = 0.1f,
SamplingStepSize = 0.01f
};
List <VectorUtils.Geometry> geoms = VectorUtils.TessellateScene(scene.Scene, tessOptions);
Sprite tempSprite = VectorUtils.BuildSprite(geoms, size, VectorUtils.Alignment.Center, Vector2.zero, 64, false);
Shader shader = null;
switch (type)
{
case SpriteImportType.svggradient:
shader = Shader.Find("Unlit/VectorGradient");
break;
case SpriteImportType.svg:
default:
shader = Shader.Find("Unlit/Vector");
break;
}
Texture2D tex = VectorUtils.RenderSpriteToTexture2D(tempSprite, size, size, new Material(shader));
//tex.alphaIsTransparency = true;
Sprite sprite = Sprite.Create(tex, new Rect(Vector2.zero, new Vector2(tex.width, tex.height)), new Vector2(0.5f, 0.5f), size * 2);
return(sprite);
}
catch (Exception e)
{
MonoBehaviour.print(e.Message + "\nFile: " + file.Name + "\n" + e.StackTrace);
}
finally
{
if (reader != null)
{
reader.Close();
}
if (sr != null)
{
sr.Close();
}
}
return(null);
}
