void _drawImageNine(Image image, uiRect?src, uiRect center, uiRect dst, uiPaint paint)
{
D.assert(image != null);
var scaleX = 1f / image.width;
var scaleY = 1f / image.height;
if (src == null)
{
src = uiRectHelper.one;
}
else
{
src = uiRectHelper.scale(src.Value, scaleX, scaleY);
}
center = uiRectHelper.scale(center, scaleX, scaleY);
var layer = this._currentLayer;
var state = layer.currentState;
var mesh = ImageMeshGenerator.imageNineMesh(state.matrix, src.Value, center, image.width, image.height,
dst);
if (!this._applyClip(mesh.bounds))
{
ObjectPool <uiMeshMesh> .release(mesh);
return;
}
layer.draws.Add(CanvasShader.tex(layer, paint, mesh, image));
}
void _drawWithMaskFilter(uiRect meshBounds, uiPaint paint, uiMaskFilter maskFilter,
uiMeshMesh fillMesh, uiMeshMesh strokeMesh, bool convex, float alpha, float strokeMult, Texture tex,
uiRect texBound, TextBlobMesh textMesh, bool notEmoji,
_drawPathDrawMeshCallbackDelegate drawCallback)
{
var layer = this._currentLayer;
var clipBounds = layer.layerBounds;
uiRect?stackBounds;
bool iior;
layer.clipStack.getBounds(out stackBounds, out iior);
if (stackBounds != null)
{
clipBounds = uiRectHelper.intersect(clipBounds, stackBounds.Value);
}
if (clipBounds.isEmpty)
{
this._drawPathDrawMeshQuit(fillMesh, strokeMesh, textMesh);
return;
}
var state = layer.currentState;
float sigma = state.scale * maskFilter.sigma;
if (sigma <= 0)
{
this._drawPathDrawMeshQuit(fillMesh, strokeMesh, textMesh);
return;
}
float sigma3 = 3 * sigma;
var maskBounds = uiRectHelper.inflate(meshBounds, sigma3);
maskBounds = uiRectHelper.intersect(maskBounds, uiRectHelper.inflate(clipBounds, sigma3));
if (maskBounds.isEmpty)
{
this._drawPathDrawMeshQuit(fillMesh, strokeMesh, textMesh);
return;
}
var maskLayer = this._createMaskLayer(layer, maskBounds, drawCallback, paint, convex, alpha, strokeMult,
tex, texBound,
textMesh, fillMesh, strokeMesh, notEmoji);
var blurLayer = this._createBlurLayer(maskLayer, sigma, sigma, layer);
var blurMesh = ImageMeshGenerator.imageMesh(null, uiRectHelper.one, maskBounds);
if (!this._applyClip(blurMesh.bounds))
{
ObjectPool <uiMeshMesh> .release(blurMesh);
return;
}
layer.draws.Add(CanvasShader.texRT(layer, paint, blurMesh, blurLayer));
}
void _setLastClipGenId(uint clipGenId, uiRect clipBounds)
{
var layer = this._currentLayer;
layer.lastClipGenId = clipGenId;
layer.lastClipBounds = clipBounds;
}
public void updateBoundAndGenID(ClipElement prior)
{
this._genId = ClipStack.getNextGenID();
this._isIntersectionOfRects = false;
if (this.isRect)
{
this._bound = this.rect.Value;
if (prior == null || prior.isIntersectionOfRects())
{
this._isIntersectionOfRects = true;
}
}
else
{
this._bound = this.mesh.bounds;
}
if (prior != null)
{
this._bound = uiRectHelper.intersect(this._bound, prior.getBound());
}
if (this._bound.isEmpty)
{
this.setEmpty();
}
}
void _drawPathDrawMeshCallback(uiPaint p, uiMeshMesh fillMesh, uiMeshMesh strokeMesh, bool convex, float alpha,
float strokeMult, Texture tex,
uiRect textBlobBounds, TextBlobMesh textMesh, bool notEmoji)
{
if (!this._applyClip(fillMesh.bounds))
{
ObjectPool <uiMeshMesh> .release(fillMesh);
ObjectPool <uiMeshMesh> .release(strokeMesh);
return;
}
var layer = this._currentLayer;
if (convex)
{
layer.draws.Add(CanvasShader.convexFill(layer, p, fillMesh));
}
else
{
layer.draws.Add(CanvasShader.fill0(layer, fillMesh));
layer.draws.Add(CanvasShader.fill1(layer, p, fillMesh.boundsMesh));
}
if (strokeMesh != null)
{
layer.draws.Add(CanvasShader.strokeAlpha(layer, p, alpha, strokeMult, strokeMesh));
layer.draws.Add(CanvasShader.stroke1(layer, strokeMesh.duplicate()));
}
}
public static ReducedClip create(ClipStack stack, uiRect layerBounds, uiRect queryBounds)
{
ReducedClip clip = ObjectPool <ReducedClip> .alloc();
uiRect?stackBounds;
bool iior;
stack.getBounds(out stackBounds, out iior);
if (stackBounds == null)
{
clip.scissor = layerBounds;
return(clip);
}
stackBounds = uiRectHelper.intersect(layerBounds, stackBounds.Value);
if (iior)
{
clip.scissor = stackBounds;
return(clip);
}
queryBounds = uiRectHelper.intersect(stackBounds.Value, queryBounds);
if (queryBounds.isEmpty)
{
clip.scissor = uiRectHelper.zero;
return(clip);
}
clip.scissor = queryBounds;
clip._walkStack(stack, clip.scissor.Value);
return(clip);
}
void _drawTextDrawMeshCallback(uiPaint p, uiMeshMesh fillMesh, uiMeshMesh strokeMesh, bool convex, float alpha,
float strokeMult, Texture tex,
uiRect textBlobBounds, TextBlobMesh textMesh, bool notEmoji)
{
if (!this._applyClip(textBlobBounds))
{
ObjectPool <TextBlobMesh> .release(textMesh);
return;
}
var layer = this._currentLayer;
if (notEmoji)
{
layer.draws.Add(CanvasShader.texAlpha(layer, p, textMesh, tex));
}
else
{
uiPaint paintWithWhite = new uiPaint(p);
paintWithWhite.color = uiColor.white;
if (EmojiUtils.image == null)
{
ObjectPool <TextBlobMesh> .release(textMesh);
return;
}
var raw_mesh = textMesh.resolveMesh();
var meshmesh = raw_mesh.duplicate();
ObjectPool <TextBlobMesh> .release(textMesh);
layer.draws.Add(CanvasShader.tex(layer, paintWithWhite, meshmesh, EmojiUtils.image));
}
}
bool _convexContains(uiRect rect)
{
if (this.mesh.vertices.Count <= 2)
{
return(false);
}
for (var i = 0; i < this.mesh.vertices.Count; i++)
{
var p1 = this.mesh.vertices[i];
var p0 = this.mesh.vertices[i == this.mesh.vertices.Count - 1 ? 0 : i + 1];
var v = p1 - p0;
if (v.x == 0.0 && v.y == 0.0)
{
continue;
}
float yL = v.y * (rect.left - p0.x);
float xT = v.x * (rect.top - p0.y);
float yR = v.y * (rect.right - p0.x);
float xB = v.x * (rect.bottom - p0.y);
if ((xT < yL) || (xT < yR) || (xB < yL) || (xB < yR))
{
return(false);
}
}
return(true);
}
void _drawImageRect(Image image, uiRect?src, uiRect dst, uiPaint paint)
{
D.assert(image != null && image.valid);
if (image == null || !image.valid)
{
return;
}
if (src == null)
{
src = uiRectHelper.one;
}
else
{
src = uiRectHelper.scale(src.Value, 1f / image.width, 1f / image.height);
}
var layer = this._currentLayer;
var state = layer.currentState;
var mesh = ImageMeshGenerator.imageMesh(state.matrix, src.Value, dst);
if (!this._applyClip(mesh.bounds))
{
ObjectPool <uiMeshMesh> .release(mesh);
return;
}
layer.draws.Add(CanvasShader.tex(layer, paint, mesh, image));
}
public static uiMeshMesh imageMesh(uiMatrix3?matrix, uiRect src, uiRect dst)
{
var vertices = ObjectPool <uiList <Vector3> > .alloc();
vertices.SetCapacity(4);
var uv = ObjectPool <uiList <Vector2> > .alloc();
uv.SetCapacity(4);
float uvx0 = src.left;
float uvx1 = src.right;
float uvy0 = 1.0f - src.top;
float uvy1 = 1.0f - src.bottom;
vertices.Add(new Vector2(dst.left, dst.top));
uv.Add(new Vector2(uvx0, uvy0));
vertices.Add(new Vector2(dst.left, dst.bottom));
uv.Add(new Vector2(uvx0, uvy1));
vertices.Add(new Vector2(dst.right, dst.bottom));
uv.Add(new Vector2(uvx1, uvy1));
vertices.Add(new Vector2(dst.right, dst.top));
uv.Add(new Vector2(uvx1, uvy0));
var _triangles = ObjectPool <uiList <int> > .alloc();
_triangles.AddRange(_imageTriangles);
return(uiMeshMesh.create(matrix, vertices, _triangles, uv));
}
public static uiMeshMesh imageMesh(uiMatrix3?matrix,
uiOffset srcTL, uiOffset srcBL, uiOffset srcBR, uiOffset srcTR,
uiRect dst)
{
var vertices = ObjectPool <uiList <Vector3> > .alloc();
vertices.SetCapacity(4);
var uv = ObjectPool <uiList <Vector2> > .alloc();
uv.SetCapacity(4);
vertices.Add(new Vector2(dst.left, dst.top));
uv.Add(new Vector2(srcTL.dx, 1.0f - srcTL.dy));
vertices.Add(new Vector2(dst.left, dst.bottom));
uv.Add(new Vector2(srcBL.dx, 1.0f - srcBL.dy));
vertices.Add(new Vector2(dst.right, dst.bottom));
uv.Add(new Vector2(srcBR.dx, 1.0f - srcBR.dy));
vertices.Add(new Vector2(dst.right, dst.top));
uv.Add(new Vector2(srcTR.dx, 1.0f - srcTR.dy));
var _triangles = ObjectPool <uiList <int> > .alloc();
_triangles.AddRange(_imageTriangles);
return(uiMeshMesh.create(matrix, vertices, _triangles, uv));
}
public static uiRect scale(uiRect a, float scaleX, float?scaleY = null)
{
scaleY = scaleY ?? scaleX;
return(fromLTRB(
a.left * scaleX, a.top * scaleY.Value,
a.right * scaleX, a.bottom * scaleY.Value));
}
public static uiPicture create(List <uiDrawCmd> drawCmds, uiRect paintBounds)
{
var picture = ObjectPool <uiPicture> .alloc();
picture.drawCmds = drawCmds;
picture.paintBounds = paintBounds;
return(picture);
}
void _clipUIRect(uiRect rect)
{
var path = uiPath.create();
path.addRect(rect);
this._clipPath(path);
uiPathCacheManager.putToCache(path);
}
public void addRect(uiRect rect)
{
this._appendMoveTo(rect.left, rect.top);
this._appendLineTo(rect.left, rect.bottom);
this._appendLineTo(rect.right, rect.bottom);
this._appendLineTo(rect.right, rect.top);
this._appendClose();
}
public static uiRect roundOut(uiRect a, float devicePixelRatio)
{
return(fromLTRB(
Mathf.Floor(a.left * devicePixelRatio) / devicePixelRatio,
Mathf.Floor(a.top * devicePixelRatio) / devicePixelRatio,
Mathf.Ceil(a.right * devicePixelRatio) / devicePixelRatio,
Mathf.Ceil(a.bottom * devicePixelRatio) / devicePixelRatio));
}
public void addRect(uiRect rect)
{
this._updateRRectFlag(true, uiPathShapeHint.Rect);
this._appendMoveTo(rect.left, rect.top);
this._appendLineTo(rect.left, rect.bottom);
this._appendLineTo(rect.right, rect.bottom);
this._appendLineTo(rect.right, rect.top);
this._appendClose();
}
public uiRect intersect(uiRect other)
{
return(uiRectHelper.fromLTRB(
Mathf.Max(this.left, other.left),
Mathf.Max(this.top, other.top),
Mathf.Min(this.right, other.right),
Mathf.Min(this.bottom, other.bottom)
));
}
public static uiOffset[] toQuad(uiRect a)
{
uiOffset[] dst = new uiOffset[4];
dst[0] = new uiOffset(a.left, a.top);
dst[1] = new uiOffset(a.right, a.top);
dst[2] = new uiOffset(a.right, a.bottom);
dst[3] = new uiOffset(a.left, a.bottom);
return(dst);
}
public static uiRect intersect(uiRect a, uiRect other)
{
return(fromLTRB(
Mathf.Max(a.left, other.left),
Mathf.Max(a.top, other.top),
Mathf.Min(a.right, other.right),
Mathf.Min(a.bottom, other.bottom)
));
}
public static uiPicture create(List <uiDrawCmd> drawCmds,
uiRect paintBounds,
BBoxHierarchy <IndexedRect> bbh = null,
uiList <int> stateUpdateIndices = null)
{
var picture = ObjectPool <uiPicture> .alloc();
picture.drawCmds = drawCmds;
picture.paintBounds = paintBounds;
picture.bbh = bbh;
picture.stateUpdatesIndices = stateUpdateIndices;
return(picture);
}
public static bool overlaps(uiRect a, uiRect other)
{
if (a.right <= other.left || other.right <= a.left)
{
return(false);
}
if (a.bottom <= other.top || other.bottom <= a.top)
{
return(false);
}
return(true);
}
public static uiRect normalize(uiRect a)
{
if (a.left <= a.right && a.top <= a.bottom)
{
return(a);
}
return(fromLTRB(
Mathf.Min(a.left, a.right),
Mathf.Min(a.top, a.bottom),
Mathf.Max(a.left, a.right),
Mathf.Max(a.top, a.bottom)
));
}
void _drawPathDrawMeshCallback2(uiPaint p, uiMeshMesh mesh, bool convex, float alpha, Texture tex,
uiRect textBlobBounds, TextBlobMesh textMesh, bool notEmoji)
{
if (!this._applyClip(mesh.bounds))
{
ObjectPool <uiMeshMesh> .release(mesh);
return;
}
var layer = this._currentLayer;
layer.draws.Add(CanvasShader.stroke0(layer, p, alpha, mesh));
layer.draws.Add(CanvasShader.stroke1(layer, mesh.duplicate()));
}
RenderLayer _createMaskLayer(RenderLayer parentLayer, uiRect maskBounds,
_drawPathDrawMeshCallbackDelegate drawCallback,
uiPaint paint, bool convex, float alpha, float strokeMult, Texture tex, uiRect texBound,
TextBlobMesh textMesh,
uiMeshMesh fillMesh, uiMeshMesh strokeMesh, bool notEmoji)
{
var textureWidth = Mathf.CeilToInt(maskBounds.width * this._devicePixelRatio);
if (textureWidth < 1)
{
textureWidth = 1;
}
var textureHeight = Mathf.CeilToInt(maskBounds.height * this._devicePixelRatio);
if (textureHeight < 1)
{
textureHeight = 1;
}
var maskLayer = RenderLayer.create(
rtID: Shader.PropertyToID(this._getNewRenderTextureKey()),
width: textureWidth,
height: textureHeight,
layerBounds: maskBounds,
filterMode: FilterMode.Bilinear,
noMSAA: true
);
parentLayer.addLayer(maskLayer);
this._layers.Add(maskLayer);
this._currentLayer = maskLayer;
var parentState = parentLayer.states[parentLayer.states.Count - 1];
var maskState = maskLayer.states[maskLayer.states.Count - 1];
maskState.matrix = parentState.matrix;
drawCallback.Invoke(uiPaint.shapeOnly(paint), fillMesh, strokeMesh, convex, alpha, strokeMult, tex,
texBound, textMesh, notEmoji);
var removed = this._layers.removeLast();
D.assert(removed == maskLayer);
this._currentLayer = this._layers[this._layers.Count - 1];
return(maskLayer);
}
void _walkStack(ClipStack stack, uiRect queryBounds)
{
foreach (var element in stack.stack)
{
if (element.isRect)
{
continue;
}
if (element.contains(queryBounds))
{
continue;
}
this.maskElements.Add(element);
this._lastElement = element;
}
}
public static uiMeshMesh create(uiRect rect)
{
uiMeshMesh newMesh = ObjectPool <uiMeshMesh> .alloc();
newMesh.vertices = ObjectPool <uiList <Vector3> > .alloc();
newMesh.vertices.Add(new Vector3(rect.right, rect.bottom));
newMesh.vertices.Add(new Vector3(rect.right, rect.top));
newMesh.vertices.Add(new Vector3(rect.left, rect.bottom));
newMesh.vertices.Add(new Vector3(rect.left, rect.top));
newMesh.triangles = ObjectPool <uiList <int> > .alloc();
newMesh.triangles.AddRange(_boundsTriangles);
newMesh.rawBounds = rect;
newMesh._bounds = newMesh.rawBounds;
return(newMesh);
}
void _drawPathDrawMeshCallback(uiPaint p, uiMeshMesh mesh, bool convex, float alpha, Texture tex,
uiRect textBlobBounds, TextBlobMesh textMesh, bool notEmoji)
{
if (!this._applyClip(mesh.bounds))
{
ObjectPool <uiMeshMesh> .release(mesh);
return;
}
var layer = this._currentLayer;
if (convex)
{
layer.draws.Add(CanvasShader.convexFill(layer, p, mesh));
}
else
{
layer.draws.Add(CanvasShader.fill0(layer, mesh));
layer.draws.Add(CanvasShader.fill1(layer, p, mesh.boundsMesh));
}
}
public bool contains(uiRect rect)
{
if (this.isRect)
{
return(uiRectHelper.contains(this.rect.Value, rect));
}
if (this.convex)
{
if (this.mesh.matrix != null && !this.mesh.matrix.Value.isIdentity())
{
if (this._invMat == null)
{
this._invMat = this.mesh.matrix.Value.invert();
}
rect = this._invMat.Value.mapRect(rect);
}
return(this._convexContains(rect));
}
return(false);
}
public static UnityEngine.Rect toRect(uiRect rect)
{
return(new UnityEngine.Rect(rect.left, rect.top, rect.width, rect.height));
}