private HCDataAnnotate GetDrawItemFirstDataAnnotateAt(int aDrawItemNo, int x, int y)
{
HCDataAnnotate Result = null;
int vStyleNo = GetDrawItemStyle(aDrawItemNo);
if (vStyleNo > HCStyle.Null)
{
Style.ApplyTempStyle(vStyleNo);
}
if (DrawItemOfAnnotate(aDrawItemNo, Style.TempCanvas, DrawItems[aDrawItemNo].Rect))
{
POINT vPt = new POINT(x, y);
for (int i = 0; i <= FDrawItemAnnotates.Count - 1; i++)
{
if (HC.PtInRect(FDrawItemAnnotates[i].DrawRect, vPt))
{
Result = FDrawItemAnnotates[i].DataAnnotate;
break;
}
}
}
return(Result);
}
private void FormatRange(int aStartDrawItemNo, int aLastItemNo)
{
int vPrioDrawItemNo = -1, vStartItemNo = -1, vStartOffset = -1;
HCParaStyle vParaStyle = null;
POINT vPos = new POINT();
FFormatStartDrawItemNo = aStartDrawItemNo;
// 获取起始DrawItem的上一个序号及格式化开始位置
if (aStartDrawItemNo > 0)
{
vPrioDrawItemNo = aStartDrawItemNo - 1; // 上一个最后的DrawItem
vStartItemNo = DrawItems[aStartDrawItemNo].ItemNo;
vStartOffset = DrawItems[aStartDrawItemNo].CharOffs;
vParaStyle = Style.ParaStyles[Items[vStartItemNo].ParaNo];
if (DrawItems[aStartDrawItemNo].LineFirst)
{
vPos.X = vParaStyle.LeftIndentPix;
vPos.Y = DrawItems[vPrioDrawItemNo].Rect.Bottom;
}
else
{
vPos.X = DrawItems[vPrioDrawItemNo].Rect.Right;
vPos.Y = DrawItems[vPrioDrawItemNo].Rect.Top;
}
}
else // 是第一个
{
vPrioDrawItemNo = -1;
vStartItemNo = 0;
vStartOffset = 1;
vParaStyle = Style.ParaStyles[Items[vStartItemNo].ParaNo];
vPos.X = vParaStyle.LeftIndentPix;
vPos.Y = 0;
}
Style.ApplyTempStyle(HCStyle.Null);
FormatItemToDrawItems(vStartItemNo, vStartOffset, vParaStyle.LeftIndentPix,
FWidth - vParaStyle.RightIndentPix, FWidth, ref vPos, ref vPrioDrawItemNo);
for (int i = vStartItemNo + 1; i <= aLastItemNo; i++) // 格式
{
if (Items[i].ParaFirst)
{
vParaStyle = Style.ParaStyles[Items[i].ParaNo];
vPos.X = vParaStyle.LeftIndentPix;
}
FormatItemToDrawItems(i, 1, vParaStyle.LeftIndentPix,
FWidth - vParaStyle.RightIndentPix, FWidth, ref vPos, ref vPrioDrawItemNo);
}
DrawItems.DeleteFormatMark();
}
private void CalcItemFormatHeigh(HCCustomItem AItem)
{
if (Style.TempStyleNo != AItem.StyleNo)
{
Style.ApplyTempStyle(AItem.StyleNo);
FLastFormatParaNo = AItem.ParaNo;
FItemFormatHeight = CalculateLineHeight(Style.TextStyles[AItem.StyleNo], Style.ParaStyles[AItem.ParaNo]);
}
else
if (FLastFormatParaNo != AItem.ParaNo)
{
FLastFormatParaNo = AItem.ParaNo;
FItemFormatHeight = CalculateLineHeight(Style.TextStyles[AItem.StyleNo], Style.ParaStyles[AItem.ParaNo]);
}
}
/// <summary> 转换指定Item指定Offs格式化为DItem </summary>
/// <param name="AItemNo">指定的Item</param>
/// <param name="AOffset">指定的格式化起始位置</param>
/// <param name="AContentWidth">当前Data格式化宽度</param>
/// <param name="APageContenBottom">当前页格式化底部位置</param>
/// <param name="APos">起始位置</param>
/// <param name="ALastDNo">起始DItemNo前一个值</param>
/// <param name="vPageBoundary">数据页底部边界</param>
private void FormatItemToDrawItems(int aItemNo, int aOffset, int aFmtLeft, int aFmtRight, int aContentWidth, ref POINT aPos, ref int aLastDrawItemNo)
{
if (!Items[aItemNo].Visible)
{
return;
}
bool vParaFirst = false, vLineFirst = false;
HCCustomRectItem vRectItem = null;
string vText = "";
RECT vRect = new RECT();
int vRemainderWidth = 0;
HCCustomItem vItem = Items[aItemNo];
HCParaStyle vParaStyle = Style.ParaStyles[vItem.ParaNo];
if (vItem.ParaFirst && (aOffset == 1))
{
vParaFirst = true;
vLineFirst = true;
aPos.X += vParaStyle.FirstIndentPix;
}
else // 非段第1个
{
vParaFirst = false;
vLineFirst = (aPos.X == aFmtLeft) && (DrawItems[aLastDrawItemNo].Width != 0);
}
if (!vItem.Visible) // 不显示的Item
{
vRect.Left = aPos.X;
vRect.Top = aPos.Y;
vRect.Right = vRect.Left;
vRect.Bottom = vRect.Top + 5;
NewDrawItem(aItemNo, aOffset, vItem.Length, vRect, vParaFirst, vLineFirst, ref aLastDrawItemNo);
}
else
if (vItem.StyleNo < HCStyle.Null)
{
vRectItem = vItem as HCCustomRectItem;
DoFormatRectItemToDrawItem(vRectItem, aItemNo, aFmtLeft, aContentWidth, aFmtRight, aOffset,
vParaFirst, vParaStyle, ref aPos, ref vRect, ref vLineFirst, ref aLastDrawItemNo, ref vRemainderWidth);
// 如果进入表格前是样式1，进入表格里有把Style的全局TempStyleNo改成0，表格后面
// 是样式0的格式化时，由于此时Data的FItemFormatHeight还是样式1的，应用样式0的
// StyleNo时和全局的并没有变化，并不能应用修改FItemFormatHeight，所以需要清除一下。
Style.ApplyTempStyle(HCStyle.Null);
}
else // 文本
{
CalcItemFormatHeigh(vItem);
vRemainderWidth = aFmtRight - aPos.X;
if (aOffset != 1)
{
vText = vItem.Text.Substring(aOffset - 1, vItem.Length - aOffset + 1);
}
else
{
vText = vItem.Text;
}
if (vText == "")
{
vRect.Left = aPos.X;
vRect.Top = aPos.Y;
vRect.Right = vRect.Left;
vRect.Bottom = vRect.Top + FItemFormatHeight; //DefaultCaretHeight;
vParaFirst = true;
vLineFirst = true;
NewDrawItem(aItemNo, aOffset, 0, vRect, vParaFirst, vLineFirst, ref aLastDrawItemNo);
vParaFirst = false;
}
else // 非空Item
{
int vItemLen = vText.Length;
//if (vItemLen > 38347922)
// throw new Exception(HC.HCS_EXCEPTION_STRINGLENGTHLIMIT);
int[] vCharWidths = new int[vItemLen];
int[] vCharWArr = null;
int viLen = vItemLen;
if (viLen > FormatTextCut)
{
vCharWArr = new int[FormatTextCut];
}
int vIndex = 0, viBase = 0;
SIZE vSize = new SIZE();
while (viLen > FormatTextCut)
{
Style.TempCanvas.GetTextExtentExPoint(vText.Substring(vIndex, FormatTextCut), FormatTextCut, vCharWArr, ref vSize); // 超过65535数组元素取不到值
for (int i = 0; i <= FormatTextCut - 1; i++)
{
vCharWidths[vIndex + i] = vCharWArr[i] + viBase;
}
viLen -= FormatTextCut;
vIndex += FormatTextCut;
viBase = vCharWidths[vIndex - 1];
}
vCharWArr = new int[viLen];
Style.TempCanvas.GetTextExtentExPoint(vText.Substring(vIndex, viLen), viLen, vCharWArr, ref vSize); // 超过65535数组元素取不到值
for (int i = 0; i <= viLen - 1; i++)
{
vCharWidths[vIndex + i] = vCharWArr[i] + viBase;
}
//SetLength(vCharWArr, 0);
DoFormatTextItemToDrawItems(vItem, aOffset, vText, 1, aFmtRight - aPos.X, 0, aItemNo, vItemLen, aFmtLeft, aContentWidth, aFmtRight, vCharWidths,
vParaStyle, ref vParaFirst, ref vLineFirst, ref aPos, ref vRect, ref vRemainderWidth, ref aLastDrawItemNo);
//SetLength(vCharWidths, 0);
}
}
// 计算下一个的位置
if (aItemNo == Items.Count - 1)
{
FinishLine(aItemNo, aLastDrawItemNo, vRemainderWidth);
}
else // 不是最后一个，则为下一个Item准备位置
{
if (Items[aItemNo + 1].ParaFirst)
{
FinishLine(aItemNo, aLastDrawItemNo, vRemainderWidth);
// 偏移到下一行顶端，准备另起一行
aPos.X = 0;
aPos.Y = DrawItems[aLastDrawItemNo].Rect.Bottom; // 不使用 vRect.Bottom 因为如果行中间有高的，会修正其bottom
}
else // 下一个不是段起始
{
aPos.X = vRect.Right; // 下一个的起始坐标
}
}
}