/// <summary>Gets a box from the pool or creates one.</summary>
public LayoutBox PooledBox()
{
if (FirstBoxPool == null)
{
return(new LayoutBox());
}
LayoutBox front = FirstBoxPool;
FirstBoxPool = front.NextInElement;
if (LastBoxPool == front)
{
// Clear end:
LastBoxPool = null;
}
// Clear all hierarchy values:
front.NextInElement = null;
front.NextLineStart = null;
front.NextOnLine = null;
front.FirstChild = null;
front.Parent = null;
front.ParentOffsetTop = 0f;
front.ParentOffsetLeft = 0f;
front.OrdinaryInline = true;
front.Baseline = 0f;
return(front);
}
/// <summary>Lays out this background.</summary>
internal void Layout(LayoutBox box, Renderman renderer)
{
if (Image == null || !Image.Loaded)
{
// Reject the visibility state change.
ImageLocation = null;
Text.Include();
return;
}
// Tell the image that the box has likely changed - this allows it to redraw (e.g. SVGs):
float trueImageWidth;
float trueImageHeight;
Image.Contents.OnLayout(Text.RenderData, box, out trueImageWidth, out trueImageHeight);
if (ImageLocation == null)
{
// Tell it that it's going on screen:
Image.GoingOnDisplay(Text.RenderData);
// Create an isolated location:
ImageLocation = new AtlasLocation(trueImageWidth, trueImageHeight);
}
// Isolate the text:
Text.Isolate();
}
public override void Paint(LayoutBox box, Renderman renderer)
{
for (int i = 0; i < Contents.Count; i++)
{
Contents[i].Paint(box, renderer);
}
}
internal override void Layout(LayoutBox box, Renderman renderer)
{
for (int i = 0; i < Contents.Count; i++)
{
Contents[i].Layout(box, renderer);
}
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox box, ref bool widthUndefined, ref bool heightUndefined)
{
if (document is SVGDocument)
{
return;
}
// Occurs on inline SVG's.
// Set the size:
Context.SetSize((int)box.InnerWidth, (int)box.InnerHeight);
UnityEngine.Texture tex = Context.Texture;
if (tex == null)
{
return;
}
// Update the background raw image:
BackgroundImage img = RenderData.BGImage;
if (img == null)
{
img = new Css.BackgroundImage(RenderData);
RenderData.BGImage = img;
}
// Update the bg image:
img.UpdateImage(tex);
}
public override bool Render(bool first, LayoutBox box, Renderman renderer)
{
base.Render(first, box, renderer);
// PostProcess required if this has Resets (i.e. after the element has done all of its kids):
return(Resets != null);
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox box, ref bool widthUndefined, ref bool heightUndefined)
{
// Replaced:
box.OrdinaryInline = false;
if (widthUndefined)
{
if (heightUndefined)
{
// Both undefined - use the base:
box.InnerWidth = RawWidth;
box.InnerHeight = RawHeight;
}
else
{
// Apply width from the height:
box.InnerWidth = box.InnerHeight * AspectRatio;
}
}
else if (heightUndefined)
{
// Apply height from the width:
box.InnerHeight = box.InnerWidth * InverseAspectRatio;
}
// They're always defined by the end of this:
widthUndefined = false;
heightUndefined = false;
}
/// <summary>Renders round corners.</summary>
public void RenderCorners(LayoutBox box, Renderman renderer)
{
// Get the co-ord of the top edge:
float top = box.Y;
float left = box.X;
// And the dimensions of the lines:
float boxWidth = box.PaddedWidth + box.Border.Left + box.Border.Right;
float boxHeight = box.PaddedHeight + box.Border.Top + box.Border.Bottom;
if (TopLeft != null)
{
// Got a top left corner - render it now:
TopLeft.Render(box, renderer, left, top);
}
if (TopRight != null)
{
// Got a top left corner - render it now:
TopRight.Render(box, renderer, left + boxWidth, top);
}
if (BottomRight != null)
{
// Got a top left corner - render it now:
BottomRight.Render(box, renderer, left + boxWidth, top + boxHeight);
}
if (BottomLeft != null)
{
// Got a top left corner - render it now:
BottomLeft.Render(box, renderer, left, top + boxHeight);
}
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox box, ref bool widthUndefined, ref bool heightUndefined)
{
if (Context2D != null)
{
Context2D.UpdateDimensions(box);
}
}
/// <summary>Calculates where the transformation origin should go in screen space.</summary>
/// <param name="relativeTo">The computed style of the element that the origin will be
/// relative to if the origin position is 'Relative'</param>
private Vector3 CalculateOrigin(ComputedStyle relativeTo, LayoutBox box)
{
// We need to figure out where the origin is and then apply the parent transformation to it.
Vector3 origin;
if (_OriginOffset == null)
{
// Default (50%,50%,0):
origin = new Vector3(0.5f * box.Width, 0.5f * box.Height, 0f);
}
else if (_OriginOffset is CssFunction)
{
RenderableData rd = relativeTo.RenderData;
origin = new Vector3(
_OriginOffset.GetDecimal(rd, ValueAxis.X),
_OriginOffset.GetDecimal(rd, ValueAxis.Y),
0f
);
}
else
{
float z = 0f;
RenderableData rd = relativeTo.RenderData;
if (_OriginOffset.Count == 3)
{
z = _OriginOffset[2].GetDecimal(rd, ValueAxis.X);
}
origin = new Vector3(
_OriginOffset[0].GetDecimal(rd, ValueAxis.X),
_OriginOffset[1].GetDecimal(rd, ValueAxis.Y),
z
);
}
if (_OriginPosition == PositionMode.Relative)
{
origin.x += box.X;
origin.y += box.Y;
}
// Map origin to world space:
Renderman renderer = (relativeTo.Element.document as PowerUI.HtmlDocument).Renderer;
origin = renderer.PixelToWorldUnit(origin.x, origin.y, relativeTo.ZIndex);
if (Parent != null)
{
origin = Parent.Apply(origin);
}
return(origin);
}
/// <summary>Make this property visible by forcing it to redraw.</summary>
public virtual bool Render(bool first, LayoutBox box, Renderman renderer)
{
if (first)
{
ClearBlocks();
}
Layout(box, renderer);
return(false);
}
/// <summary>Transforms all the blocks that this property has allocated. Note that transformations are a post process.
/// Special case for borders as it may also internally transform its corners.</summary>
/// <param name="topTransform">The transform that should be applied to this property.</param>
public override void PostProcess(LayoutBox box, Renderman renderer)
{
if (Corners == null)
{
return;
}
// Render them:
Corners.RenderCorners(box, renderer);
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox box, ref bool widthUndefined, ref bool heightUndefined)
{
// Update viewport:
if (ContentDocument == null)
{
return;
}
ContentDocument.Viewport.Height = box.InnerHeight;
ContentDocument.Viewport.Width = box.InnerWidth;
}
/// <summary>Transforms all the blocks that this property has allocated. Note that transformations are a post process.
/// Special case for borders as it may also internally transform its corners.</summary>
/// <param name="topTransform">The transform that should be applied to this property.</param>
public override void PostProcess(LayoutBox box, Renderman renderer)
{
if (Resets != null)
{
// Pop all of the counters:
for (int i = 0; i < Resets.Count; i++)
{
// Pop it:
renderer.PopCounter(Resets[i]);
}
}
}
public override bool Render(bool first, LayoutBox box, Renderman renderer)
{
if (first)
{
ClearBlocks();
}
Layout(box, renderer);
// Return true if we've got border-radius corners - that'll trigger a PostProcess event:
return(Corners != null);
}
public override void Paint(LayoutBox box, Renderman renderer)
{
MeshBlock block = GetFirstBlock(renderer);
if (block == null)
{
// This can happen if an animation is requesting that a now offscreen element gets painted only.
return;
}
block.PaintColour(BaseColour * renderer.ColorOverlay);
}
/// <summary>Gets the horizontal position in pixels of the numbered letter.</summary>
/// <param name="letterID">The letter to get.</param>
/// <returns>The position of the left edge of the numbered letter in pixels, relative to the left edge of the UI.</returns>
public float PositionOf(int letterID)
{
LayoutBox box = RenderData.FirstBox;
if (box == null)
{
// Not run yet
return(0f);
}
float width = box.X + box.StyleOffsetLeft;
return(width + LocalPositionOf(letterID));
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox box, ref bool widthUndefined, ref bool heightUndefined)
{
RectangleProvider rect = Rectangle;
// Check to see if w/h was updated via CSS:
Css.Value newWidth = Width;
Css.Value newHeight = Height;
if (rect.Width != newWidth || rect.Height != newHeight)
{
rect.Width = newWidth;
rect.Height = newHeight;
RebuildPath();
}
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox box, ref bool widthUndefined, ref bool heightUndefined)
{
// Replaced:
box.OrdinaryInline = false;
if (widthUndefined)
{
if (heightUndefined)
{
// Both undefined - establish which we'll be primarily clipping by.
if (Style.Computed.ShouldClipHeight())
{
// Height priority. Clip by min/max-height:
box.InnerHeight = Style.Computed.ClipHeight(
box.DisplayMode, RawHeight * Style.Computed.RenderData.ValueScale
);
// Derive height from the aspect ratio:
box.InnerWidth = box.InnerHeight * AspectRatio;
}
else
{
// Width priority. Clip by min/max-width:
box.InnerWidth = Style.Computed.ClipWidth(
box.DisplayMode, RawWidth * Style.Computed.RenderData.ValueScale
);
// Derive height from the aspect ratio:
box.InnerHeight = box.InnerWidth * InverseAspectRatio;
}
}
else
{
// Apply width from the height:
box.InnerWidth = box.InnerHeight * AspectRatio;
}
}
else if (heightUndefined)
{
// Apply height from the width:
box.InnerHeight = box.InnerWidth * InverseAspectRatio;
}
// They're always defined by the end of this:
widthUndefined = false;
heightUndefined = false;
}
public override void Paint(LayoutBox box, Renderman renderer)
{
Color colour = Colour * renderer.ColorOverlay;
MeshBlock block = GetFirstBlock(renderer);
// For each block..
for (int i = 0; i < BlockCount; i++)
{
// Paint the colour:
block.PaintColour(colour);
// Go to next block:
block.Next();
}
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox box, ref bool widthUndefined, ref bool heightUndefined)
{
// Get meta:
LineBoxMeta lbm = renderer.TopOfStackSafe;
// If the line is empty, set some height:
if (lbm.FirstOnLine == null)
{
heightUndefined = false;
box.InnerHeight = Style.Computed.FontSizeX;
box.Height = box.InnerHeight;
}
// Implicit line break:
lbm.CompleteLine(LineBreakMode.Normal | LineBreakMode.Last);
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox thumbBox, ref bool widthUndefined, ref bool heightUndefined)
{
if (IsVertical)
{
if (thumbBox.Position.Top == float.MaxValue)
{
// Initial push over the first arrow:
thumbBox.Position.Top = StartArrowSize;
}
}
else if (thumbBox.Position.Left == float.MaxValue)
{
// Initial push over the first arrow:
thumbBox.Position.Left = StartArrowSize;
}
}
public override void Paint(LayoutBox box, Renderman renderer)
{
// Any meshes in this elements queue should now change colour:
Color colour = renderer.ColorOverlay;
MeshBlock block = GetFirstBlock(renderer);
// For each block..
for (int i = 0; i < BlockCount; i++)
{
// Paint the colour:
block.PaintColour(colour);
// Go to next block:
block.Next();
}
}
public override void Paint(LayoutBox box, Renderman renderer)
{
// Any meshes in my queue should now change colour:
MeshBlock block = GetFirstBlock(renderer);
if (BaseColour == null || BaseColour.Count == 1)
{
// Most common case. This is a single colour border.
// Get the default colour - that's the same as the text colour:
Color colour = Color.black;
// Does this border have a colour?
if (BaseColour == null)
{
// Grab the text colour if there is one:
if (RenderData.Text != null)
{
// It's the same as the font colour:
colour = RenderData.Text.BaseColour * renderer.ColorOverlay;
}
else
{
// Nope - We need to set alpha:
colour.a = renderer.ColorOverlay.a;
}
}
else
{
colour = BaseColour[0].GetColour(RenderData, Css.Properties.BorderColor.GlobalProperty) * renderer.ColorOverlay;
}
// For each block..
for (int i = 0; i < BlockCount; i++)
{
// Paint the colour:
block.PaintColour(colour);
// Go to next block:
block.Next();
}
return;
}
}
internal override void Layout(LayoutBox box, Renderman renderer)
{
// Get the top left inner corner (inside margin and border):
float width = box.PaddedWidth;
float height = box.PaddedHeight;
float top = box.Y + box.Border.Top;
float left = box.X + box.Border.Left;
// Is it clipped?
if (renderer.IsInvisible(left, top, width, height))
{
// Totally not visible.
return;
}
// Ensure we have a batch (doesn't change graphics or font thus both nulls):
renderer.SetupBatch(this, null, null);
// Get the transform:
Transformation transform = renderer.Transform;
for (int y = 0; y < 3; y++)
{
for (int x = 0; x < 3; x++)
{
// Add it:
MeshBlock block = Add(renderer);
// Set the UV to that of the solid block colour pixel:
block.SetSolidColourUV();
// Set the colour - here we set it unevenly to trigger gradients.
// block.SetColour(BackingColour * renderer.ColorOverlay);
// BoxRegion clipZone=new BoxRegion(left,top,width,height);
// Set the verts too:
// block.SetClipped(renderer.ClippingBoundary,clipZone,renderer,box.ZIndex-0.006f);
block.Done(transform);
}
}
}
/// <summary>Updates the FlatWorldUI so it builds the mesh for this element.</summary>
private void UpdateRenderer(LayoutBox box, float width, float height)
{
// - Set w/h to width and height:
int w = (int)width;
int h = (int)height;
// Resize the renderer (which will emit a changed image event):
Renderer.SetDimensions(w, h);
// Temporarily set the positioning of 'box' such that it's at the origin:
int _pos = box.PositionMode;
BoxStyle _position = box.Position;
// Clear:
box.Position = new BoxStyle(0f, float.MaxValue, float.MaxValue, 0f);
box.PositionMode = PositionMode.Fixed;
// Put the RenderData in the render only queue of *Renderer* and ask it to layout now:
RenderableData _next = RenderData.Next;
UpdateMode _mode = RenderData.NextUpdateMode;
RenderableData _ancestor = RenderData.Ancestor;
// Clear:
RenderData.Next = null;
RenderData.NextUpdateMode = UpdateMode.Render;
RenderData.Ancestor = null;
// Queue:
Renderer.Renderer.StylesToUpdate = RenderData;
Renderer.Renderer.HighestUpdateMode = UpdateMode.Render;
// Draw now!
Renderer.Renderer.Update();
// Restore (box):
box.Position = _position;
box.PositionMode = _pos;
// Restore (queue):
RenderData.Next = _next;
RenderData.NextUpdateMode = _mode;
RenderData.Ancestor = _ancestor;
}
public override void Paint(LayoutBox box, Renderman renderer)
{
// Does the given renderer belong to the worldUI?
if (Renderer != null && renderer == Renderer.Renderer)
{
// Yes! We're actually drawing the element. Do nothing.
return;
}
MeshBlock block = GetFirstBlock(renderer);
if (block == null)
{
// This can happen if an animation is requesting that a now offscreen element gets painted only.
return;
}
block.PaintColour(renderer.ColorOverlay);
}
/// <summary>Adds a linked list of boxes to the box pool.</summary>
public void PoolBoxes(LayoutBox firstBox, LayoutBox lastBox)
{
if (firstBox == null)
{
return;
}
if (LastBoxPool == null)
{
FirstBoxPool = firstBox;
LastBoxPool = lastBox;
}
else
{
LastBoxPool.NextInElement = firstBox;
LastBoxPool = lastBox;
}
lastBox.NextInElement = null;
}
public override void Paint(LayoutBox box, Renderman renderer)
{
// Resolve colour:
BaseColour = RenderData.computedStyle.Resolve(Css.Properties.ColorProperty.GlobalProperty)
.GetColour(RenderData, Css.Properties.ColorProperty.GlobalProperty);
Color colour = BaseColour * renderer.ColorOverlay;
MeshBlock block = GetFirstBlock(renderer);
// For each block..
for (int i = 0; i < BlockCount; i++)
{
// Paint the colour:
block.PaintColour(colour);
// Go to next block:
block.Next();
}
}
public override void OnComputeBox(Renderman renderer, Css.LayoutBox box, ref bool widthUndefined, ref bool heightUndefined)
{
// Locate the caret if we need to:
if (Locate)
{
Locate = false;
RenderableTextNode htn = TextHolder;
Vector2 position;
if (htn == null)
{
// Just at 0,0:
position = Vector2.zero;
}
else
{
// Clip:
if (Index >= htn.length)
{
Index = htn.length;
}
// Get the position of the given letter:
position = htn.GetPosition(Index);
}
// Scroll it if position is out of range:
ScrollIfBeyond(ref position);
// Set it in for this pass:
box.Position.Top = position.y;
box.Position.Left = position.x;
// Write it out:
Style.Computed.ChangeTagProperty("left", new Css.Units.DecimalUnit(position.x), false);
Style.Computed.ChangeTagProperty("top", new Css.Units.DecimalUnit(position.y), false);
}
}
