public override void Render(VertexHelper vh, Rect area, Vector2 offset, float pixelsPerUnit)
{
var node = Node;
Color currentColor = node.currentColor;
if (currentColor.a <= 0.01f)
{
return;
}
int start = vh.currentIndexCount;
float unitsPerPixel = 1f / pixelsPerUnit;
Vector2 leftBottomPos = GetStartLeftBottom(unitsPerPixel) + offset;
Tools.LB2LT(ref leftBottomPos, area.height);
// 渲染文本
float minY = float.MaxValue;
float maxY = float.MinValue;
{
//leftPos = Vector2.zero;
Font font = node.d_font;
FontStyle fs = node.d_fontStyle;
int fontSize = (int)((node.d_fontSize * pixelsPerUnit));
font.RequestCharactersInTexture(text, fontSize, fs);
Vector2 startPos = Vector2.zero;
for (int i = 0; i < text.Length; ++i)
{
if (font.GetCharacterInfo(text[i], out s_Info, fontSize, fs))
{
int startVertCount = vh.currentVertCount;
Rect cr = Rect.MinMaxRect(
leftBottomPos.x + ((startPos.x + s_Info.minX) * unitsPerPixel),
leftBottomPos.y + ((startPos.y + s_Info.minY) * unitsPerPixel),
leftBottomPos.x + ((startPos.x + s_Info.maxX) * unitsPerPixel),
leftBottomPos.y + ((startPos.y + s_Info.maxY) * unitsPerPixel));
vh.AddVert(new Vector3(cr.xMin, cr.yMax), currentColor, s_Info.uvTopLeft);
vh.AddVert(new Vector3(cr.xMax, cr.yMax), currentColor, s_Info.uvTopRight);
vh.AddVert(new Vector3(cr.xMax, cr.yMin), currentColor, s_Info.uvBottomRight);
vh.AddVert(new Vector3(cr.xMin, cr.yMin), currentColor, s_Info.uvBottomLeft);
vh.AddTriangle(startVertCount + 0, startVertCount + 1, startVertCount + 2);
vh.AddTriangle(startVertCount + 2, startVertCount + 3, startVertCount + 0);
startPos.x += (s_Info.advance);
minY = Mathf.Min(cr.yMin, minY);
maxY = Mathf.Max(cr.yMax, maxY);
}
}
}
bool isset = false;
if (node.d_bDynUnderline || node.d_bUnderline)
{
isset = true;
node.GetLineCharacterInfo(out s_Info);
Vector2 startpos = new Vector2(leftBottomPos.x, minY);
if (node.d_bDynUnderline)
{
Texture mainTexture = node.d_font.material.mainTexture;
OutlineDraw draw = node.owner.GetDraw(DrawType.Outline, node.keyPrefix + mainTexture.GetInstanceID(), (Draw d, object p) =>
{
OutlineDraw od = d as OutlineDraw;
od.isOpenAlpha = node.d_bBlink;
od.texture = mainTexture;
}) as OutlineDraw;
draw.AddLine(node, startpos, rect.width, line_height * unitsPerPixel, currentColor, s_Info.uv.center, node.d_dynSpeed);
}
else
{
Tools.AddLine(vh, startpos, s_Info.uv.center, rect.width, line_height * unitsPerPixel, currentColor);
}
}
if (node.d_bDynStrickout || node.d_bStrickout)
{
if (!isset)
{
isset = true;
node.GetLineCharacterInfo(out s_Info);
}
Vector2 startpos = new Vector2(leftBottomPos.x, (maxY + minY) * 0.5f + line_height * 0.5f * unitsPerPixel);
if (node.d_bDynStrickout)
{
Texture mainTexture = node.d_font.material.mainTexture;
OutlineDraw draw = node.owner.GetDraw(DrawType.Outline, node.keyPrefix + mainTexture.GetInstanceID(), (Draw d, object p) =>
{
OutlineDraw od = d as OutlineDraw;
od.isOpenAlpha = node.d_bBlink;
od.texture = mainTexture;
}) as OutlineDraw;
draw.AddLine(node, startpos, rect.width, line_height * unitsPerPixel, currentColor, s_Info.uv.center, node.d_dynSpeed);
}
else
{
Tools.AddLine(vh, startpos, s_Info.uv.center, rect.width, line_height * unitsPerPixel, currentColor);
}
}
switch (node.effectType)
{
case EffectType.Outline:
Effect.Outline(vh, start, node.effectColor, node.effectDistance);
break;
case EffectType.Shadow:
Effect.Shadow(vh, start, node.effectColor, node.effectDistance);
break;
}
}