/// <summary>
/// 单页预览
/// </summary>
/// <param name="layoutId"></param>
/// <param name="plotArea"></param>
/// <param name="plotDevice"></param>
/// <param name="plotCanonicalMeida"></param>
/// <param name="plotStyle"></param>
public static void PreviewSinglePage(
ObjectId layoutId,
Extents2d plotArea,
string plotDevice,
string plotCanonicalMeida,
string plotStyle
)
{
if (PlotFactory.ProcessPlotState != ProcessPlotState.NotPlotting)
{
MessageBox.Show($"当前不能预览，另一个打印任务正在进行中！");
return;
}
using (Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument())
{
Layout lo = mFun.m_OpenEntity(layoutId) as Layout;
if (LayoutManager.Current.CurrentLayout != lo.LayoutName)
{
LayoutManager.Current.CurrentLayout = lo.LayoutName;
}
using (PlotProgressDialog ppd = new PlotProgressDialog(true, 1, false))
{
#region 设置进度条信息
#endregion
using (PlotEngine pe = PlotFactory.CreatePreviewEngine(0))
{
//设置打印配置参数
PlotInfo pi = SetPlotInfo(lo, plotArea, plotDevice, plotCanonicalMeida, plotStyle, true);
pe.BeginPlot(ppd, null);
pe.BeginDocument(pi, mCommands.Doc.Name, null, 1, false, "");
pe.BeginPage(new PlotPageInfo(), pi, true, null);
pe.BeginGenerateGraphics(null);
pe.EndGenerateGraphics(null);
PreviewEndPlotInfo pepi = new PreviewEndPlotInfo();
pe.EndPage(pepi);//结束本页打印，返回预览状态
pe.EndDocument(null);
pe.EndPlot(null);
}
}
}
}
static public void ExportPDF()
{
var doc = AcApp.DocumentManager.MdiActiveDocument;
var ed = doc.Editor;
ExportForm exportForm = new ExportForm();
var result = AcApp.ShowModalDialog(exportForm);
if (result == DialogResult.Cancel)
{
ed.WriteMessage($"{Environment.NewLine}The operation has been canceled by the user.");
return;
}
int layoutCount = exportForm.SelectedLayouts.Count;
ed.WriteMessage($"{Environment.NewLine}Number of selected layouts: {layoutCount}");
if (layoutCount == 0)
{
ed.WriteMessage($"{Environment.NewLine}No layouts were detected.");
return;
}
else if (layoutCount == 1)
{
if (PlotFactory.ProcessPlotState == ProcessPlotState.NotPlotting)
{
// First we preview...
PreviewEndPlotStatus stat;
PlotEngine pre = PlotFactory.CreatePreviewEngine((int)PreviewEngineFlags.Plot);
using (pre)
{
stat = PlotOrPreview(pre, true, exportForm.SelectedLayouts[0].BlockTableRecordId, "", "");
}
if (stat == PreviewEndPlotStatus.Plot)
{
// And if the user asks, we plot...
var jobNumber = Path.GetFileNameWithoutExtension(doc.Name);
if (jobNumber.Length > 9)
{
jobNumber = jobNumber.Remove(9);
}
if (!JobNumber.TryParse(jobNumber))
{
ed.WriteMessage("Job number could not be determined." + Environment.NewLine);
return;
}
string path = JobNumber.GetPath(jobNumber);
if (Directory.Exists(path))
{
if (!Directory.Exists(path + "\\Submittals"))
{
Directory.CreateDirectory(path + "\\Submittals");
}
PlotEngine ple = PlotFactory.CreatePublishEngine();
PlotOrPreview(ple, false, exportForm.SelectedLayouts[0].BlockTableRecordId, path + "\\Submittals", jobNumber);
ed.WriteMessage($"{Environment.NewLine}Plot created.");
}
else
{
ed.WriteMessage("Project folder could not be determined." + Environment.NewLine);
}
}
}
else
{
ed.WriteMessage(
"\nAnother plot is in progress."
);
}
}
else
{
ObjectIdCollection layouts = new ObjectIdCollection();
foreach (Layout layout in exportForm.SelectedLayouts)
{
layouts.Add(layout.BlockTableRecordId);
}
if (PlotFactory.ProcessPlotState == ProcessPlotState.NotPlotting)
{
int layoutNum = 0;
bool isFinished = false;
bool isReadyForPlot = false;
while (!isFinished)
{
// Create the preview engine with the appropriate
// buttons enabled - this depends on which
// layout in the list is being previewed
PreviewEngineFlags flags = PreviewEngineFlags.Plot;
if (layoutNum > 0)
{
flags |= PreviewEngineFlags.PreviousSheet;
}
if (layoutNum < layouts.Count - 1)
{
flags |= PreviewEngineFlags.NextSheet;
}
using (PlotEngine pre = PlotFactory.CreatePreviewEngine((int)flags))
{
PreviewEndPlotStatus stat =
MultiplePlotOrPreview(
pre,
true,
layouts,
layoutNum,
"",
""
);
// We're not checking the list bounds for
// next/previous as the buttons are only shown
// when they can be used
if (stat == PreviewEndPlotStatus.Next)
{
layoutNum++;
}
else if (stat == PreviewEndPlotStatus.Previous)
{
layoutNum--;
}
else if (stat == PreviewEndPlotStatus.Normal || stat == PreviewEndPlotStatus.Cancel)
{
isFinished = true;
}
else if (stat == PreviewEndPlotStatus.Plot)
{
isFinished = true;
isReadyForPlot = true;
}
}
}
// If the plot button was used to exit the preview...
if (isReadyForPlot)
{
var jobNumber = Path.GetFileNameWithoutExtension(doc.Name);
if (jobNumber.Length > 9)
{
jobNumber = jobNumber.Remove(9);
}
if (!JobNumber.TryParse(jobNumber))
{
ed.WriteMessage("Job number could not be determined." + Environment.NewLine);
return;
}
string path = JobNumber.GetPath(jobNumber);
if (Directory.Exists(path))
{
if (!Directory.Exists(path + "\\Submittals"))
{
Directory.CreateDirectory(path + "\\Submittals");
}
using (PlotEngine ple = PlotFactory.CreatePublishEngine())
{
PreviewEndPlotStatus stat = MultiplePlotOrPreview(ple, false, layouts, -1, path + "\\Submittals", jobNumber);
}
}
}
}
else
{
ed.WriteMessage(
"\nAnother plot is in progress."
);
}
}
exportForm.Dispose();
}
/// <summary>
/// 打印预览
/// </summary>
/// <returns></returns>
public static bool Preview( Dictionary<ObjectId, List<Extents2d>> plotAreaDict, string plotDevice, string plotCanonicalMeida, string plotStyle, string saveFileName, bool isPlotSingle//是否每页单独保存
)
{
Database db = HostApplicationServices.WorkingDatabase;
Document doc = Application.DocumentManager.MdiActiveDocument;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
bool ret = false;
if (plotAreaDict.Count == 0) return true;
#region 准备打印区域列表 PlotList
Dictionary<Extents2d, ObjectId> PlotList = new Dictionary<Extents2d, ObjectId>();
foreach (KeyValuePair<ObjectId, List<Extents2d>> kv in plotAreaDict)
{
foreach (Extents2d plotArea in kv.Value)
{
PlotList.Add(plotArea, kv.Key);
}
}
#endregion
if (PlotFactory.ProcessPlotState == ProcessPlotState.NotPlotting)
{
#region 设置为前台打印
//保存App的原参数
short bgPlot = (short)Application.GetSystemVariable("BACKGROUNDPLOT");
//设定为前台打印，加快打印速度
Application.SetSystemVariable("BACKGROUNDPLOT", 0);
//object BackGroundPlotVar = mFun.m_GetSystemVar("BACKGROUNDPLOT");
//mFun.m_SetSystemVar("BACKGROUNDPLOT", 0);//一定要设置成0(前台打印)，否则保存PDF文件中一个布局只会有一张图！！！！
#endregion
int sheetNum = 0;
bool isFinished = false;//预览是否结束
bool isReadyForPlot = false;//是否准备好打印
while (!isFinished)
{
PreviewEngineFlags flags = PreviewEngineFlags.Plot;
if (sheetNum > 0)
flags |= PreviewEngineFlags.PreviousSheet;
if (sheetNum < PlotList.Count - 1)
flags |= PreviewEngineFlags.NextSheet;
using (PlotEngine pe = PlotFactory.CreatePreviewEngine((int)flags))
{
PreviewEndPlotStatus stat = MultiPlotOrPreview( pe, true, PlotList, sheetNum, plotAreaDict.Count, plotDevice, plotCanonicalMeida, plotStyle, saveFileName);
if (stat == PreviewEndPlotStatus.Next)
{
sheetNum++;
}
else if (stat == PreviewEndPlotStatus.Previous)
{
sheetNum--;
}
else if (stat == PreviewEndPlotStatus.Normal ||
stat == PreviewEndPlotStatus.Cancel)
{
isFinished = true;
}
else if (stat == PreviewEndPlotStatus.Plot)
{
isFinished = true;
isReadyForPlot = true;
ret = true;//结束
}
}
}
// If the plot button was used to exit the preview...
if (isReadyForPlot)
{
if (!isPlotSingle)
{
using (PlotEngine pe = PlotFactory.CreatePublishEngine())
{
PreviewEndPlotStatus stat = MultiPlotOrPreview( pe, false, PlotList, -1, plotAreaDict.Count,
plotDevice, plotCanonicalMeida, plotStyle, saveFileName
);
ret = stat == PreviewEndPlotStatus.Cancel ? false : true;
}
}
else
{
#region 每页打印成一个PDF文件
foreach (KeyValuePair<ObjectId, List<Extents2d>> kv in plotAreaDict)
{
int i = 1;
foreach (Extents2d plotArea in kv.Value)
{
PlotSinglePage(
kv.Key, plotArea, plotDevice, plotCanonicalMeida, plotStyle,
string.Format("{0}-{1}({2})", saveFileName, wmLayout.GetLayoutName(kv.Key), i++));
}
}
#endregion
}
}
//恢复变量
Application.SetSystemVariable("BACKGROUNDPLOT", bgPlot);
}
else
{
ed.WriteMessage("\n其他打印正在进行中！");
}
return ret;
}