private void _FormatBreakTextDrawItem(int aItemNo, int aFmtLeft, int aFmtRight, ref int aDrawItemNo,
ref POINT aPos, ref RECT vRect, ref int vRemainderWidth, ref bool vParaFirst)
{
HCCustomDrawItem vDrawItem = DrawItems[aDrawItemNo];
HCCustomItem vItemBK = Items[vDrawItem.ItemNo];
int vLen = vItemBK.Text.Length;
CalcItemFormatHeigh(vItemBK);
int vWidth = Style.TempCanvas.TextWidth(vItemBK.Text[vLen - 1]);
// 分裂前
vDrawItem.CharLen = vDrawItem.CharLen - 1;
vDrawItem.Rect.Right = vDrawItem.Rect.Right - vWidth;
vRemainderWidth = aFmtRight - vDrawItem.Rect.Right;
FinishLine(aItemNo, aDrawItemNo, vRemainderWidth);
// 分裂后
aPos.X = aFmtLeft;
aPos.Y = vDrawItem.Rect.Bottom;
vRect.Left = aPos.X;
vRect.Top = aPos.Y;
vRect.Right = vRect.Left + vWidth;
vRect.Bottom = vRect.Top + FItemFormatHeight;
NewDrawItem(vDrawItem.ItemNo, vLen - 1, 1, vRect, false, true, ref aDrawItemNo);
vParaFirst = false;
aPos.X = vRect.Right;
vRemainderWidth = aFmtRight - vRect.Right; // 放入最多后的剩余量
}
private void NewDrawItem(int aItemNo, int aCharOffs, int aCharLen, RECT aRect, bool aParaFirst, bool aLineFirst,
ref int vLastDrawItemNo)
{
HCCustomDrawItem vDrawItem = new HCCustomDrawItem();
vDrawItem.ItemNo = aItemNo;
vDrawItem.CharOffs = aCharOffs;
vDrawItem.CharLen = aCharLen;
vDrawItem.ParaFirst = aParaFirst;
vDrawItem.LineFirst = aLineFirst;
vDrawItem.Rect = aRect;
vLastDrawItemNo++;
DrawItems.Insert(vLastDrawItemNo, vDrawItem);
if (aCharOffs == 1)
{
Items[aItemNo].FirstDItemNo = vLastDrawItemNo;
}
}