/// <summary>
/// 输出图片
/// </summary>
/// <param name="pageLayout">页面布局对象</param>
/// <param name="outPath">图片输出的完整路径，路径扩展名应为jpg,tiff,bmp,emf,png,gif,pdf,eps,ai,svg之一</param>
/// <param name="resolution">图片分辨率（每英寸点数）</param>
public static void ExportToPicture(this IPageLayout pageLayout, string outPath, double resolution = 300)
{
try
{
//参数检查
IActiveView activeView = pageLayout as IActiveView;
if (activeView == null)
{
throw new Exception("输入参数（pageLayout）错误！");
}
IExport export = CreateExport(outPath, resolution);
IEnvelope visibleBounds = new EnvelopeClass();
visibleBounds.PutCoords(0, 0, pageLayout.Page.PrintableBounds.Width, pageLayout.Page.PrintableBounds.Height);
//输出范围
tagRECT pixelBounds = new tagRECT();
pixelBounds.left = pixelBounds.top = 0;
pixelBounds.right = (int)(export.Resolution / 2.54 * pageLayout.Page.PrintableBounds.Width);
pixelBounds.bottom = (int)(export.Resolution / 2.54 * pageLayout.Page.PrintableBounds.Height);
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(pixelBounds.left, pixelBounds.top, pixelBounds.right, pixelBounds.bottom);
export.PixelBounds = envelope;
//可用于取消操作
ITrackCancel trackCancel = CreateTrackCancel();
export.TrackCancel = trackCancel;
//开始转出
//activeView.Output(int hDC, int Dpi, ref tagRECT pixelBounds, ref IEnvelope VisibleBounds, ref ITrackCancel TrackCancel);
//hDC - 输出设备
//dpi - 每英寸点数（分辨率）。如果传递Null，则默认为hDC的分辨率。如果无法采样，则默认为窗口分辨率
//pixelBounds - 以像素为单位指定的设备矩形
//VisibleBounds - 缩放范围。如果传递Null，则默认为当前可见范围
activeView.Output(export.StartExporting(), (int)export.Resolution, ref pixelBounds, visibleBounds, trackCancel);
bool bContinue = trackCancel.Continue();
//捕获是否继续
if (bContinue)
{
export.FinishExporting();
export.Cleanup();
}
else
{
export.Cleanup();
}
trackCancel.Continue();
}
catch (Exception ex)
{
throw new Exception("输出图片出错：" + ex.Message);
}
}
public void Export(IExport pExport, string saveName)
{
IActiveView pActiveView;
IEnvelope pPixelBoundsEnv;
int iOutputResolution;
int iScreenResolution;
int hdc;
pActiveView = axMapControl.ActiveView;
pExport.ExportFileName = saveName;
iScreenResolution = 96;
iOutputResolution = 300;
pExport.Resolution = iOutputResolution;
tagRECT pExportFrame;
pExportFrame = pActiveView.ExportFrame;
tagRECT exportRECT;
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = pActiveView.ExportFrame.right * (iOutputResolution / iScreenResolution);
exportRECT.bottom = pActiveView.ExportFrame.bottom * (iOutputResolution / iScreenResolution);
pPixelBoundsEnv = new EnvelopeClass();
pPixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
pExport.PixelBounds = pPixelBoundsEnv;
hdc = pExport.StartExporting();
pActiveView.Output(hdc, (int)pExport.Resolution, ref exportRECT, null, null);
pExport.FinishExporting();
pExport.Cleanup();
}
private void Export(IActiveView pActiveView)
{
try
{
tagRECT grect;
IExport pExport = this.m_pExport;
int num2 = 96;
int resolution = (int)pExport.Resolution;
grect.left = 0;
grect.top = 0;
grect.right = pActiveView.ExportFrame.right * (resolution / num2);
grect.bottom = pActiveView.ExportFrame.bottom * (resolution / num2);
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords((double)grect.left, (double)grect.top, (double)grect.right, (double)grect.bottom);
pExport.PixelBounds = envelope;
int hDC = pExport.StartExporting();
pActiveView.Output(hDC, (int)pExport.Resolution, ref grect, null, null);
try
{
pExport.FinishExporting();
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
pExport.Cleanup();
}
catch
{
}
}
// ArcGIS Snippet Title:
// Create JPEG from ActiveView
//
// Long Description:
// Creates a .jpg (JPEG) file from IActiveView. Default values of 96 DPI are used for the image creation.
//
// Add the following references to the project:
// ESRI.ArcGIS.Carto
// ESRI.ArcGIS.Display
// ESRI.ArcGIS.Geometry
// ESRI.ArcGIS.Output
// ESRI.ArcGIS.System
//
// Intended ArcGIS Products for this snippet:
// ArcGIS Desktop (ArcEditor, ArcInfo, ArcView)
// ArcGIS Engine
// ArcGIS Server
//
// Applicable ArcGIS Product Versions:
// 9.2
// 9.3
// 9.3.1
// 10.0
//
// Required ArcGIS Extensions:
// (NONE)
//
// Notes:
// This snippet is intended to be inserted at the base level of a Class.
// It is not intended to be nested within an existing Method.
//
///<summary>Creates a .jpg (JPEG) file from IActiveView. Default values of 96 DPI are used for the image creation.</summary>
///
///<param name="activeView">An IActiveView interface</param>
///<param name="pathFileName">A System.String that the path and filename of the JPEG you want to create. Example: "C:\temp\test.jpg"</param>
///
///<returns>A System.Boolean indicating the success</returns>
///
///<remarks></remarks>
public System.Boolean CreateJPEGFromActiveView(ESRI.ArcGIS.Carto.IActiveView activeView, System.String pathFileName)
{
//parameter check
if (activeView == null || !(pathFileName.EndsWith(".jpg")))
{
return(false);
}
IExport export = (IExport) new ExportJPEG();
export.ExportFileName = pathFileName;
// Microsoft Windows default DPI resolution
export.Resolution = 96;
tagRECT exportRECT = activeView.ExportFrame;
ESRI.ArcGIS.Geometry.IEnvelope envelope = new ESRI.ArcGIS.Geometry.EnvelopeClass();
envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
export.PixelBounds = envelope;
System.Int32 hDC = export.StartExporting();
activeView.Output(hDC, (System.Int16)export.Resolution, ref exportRECT, null, null);
// Finish writing the export file and cleanup any intermediate files
export.FinishExporting();
export.Cleanup();
return(true);
}
private void btnPrint_Click(object sender, EventArgs e)
{
this.Cursor = System.Windows.Forms.Cursors.WaitCursor;
if (export is IOutputRasterSettings)
{
//矢量格式输出
rasterSettings = (IOutputRasterSettings)export;
rasterSettings.ResampleRatio = 1;
}
if (Information.IsNumeric(txtResolution.Text))
{
iOutputResolution = Convert.ToInt32(txtResolution.Text);
}
else
{
iOutputResolution = 300;
}
IActiveView pActiveView = axPageLayoutControl1.ActiveView;
double iScreenResolution = pActiveView.ScreenDisplay.DisplayTransformation.Resolution;
tagRECT exportRECT;
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = Convert.ToInt32(Math.Ceiling(pActiveView.ExportFrame.right * (iOutputResolution / iScreenResolution)));
exportRECT.bottom = Convert.ToInt32(Math.Round(pActiveView.ExportFrame.bottom * (iOutputResolution / iScreenResolution)));
IEnvelope pPixelBoundsEnv = new EnvelopeClass();
pPixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
export.Resolution = iOutputResolution;
export.PixelBounds = pPixelBoundsEnv;
export.ExportFileName = exportFileName;
int hDC = export.StartExporting();
pActiveView.Output(hDC, (int)export.Resolution, ref exportRECT, null, null);
export.FinishExporting();
export.Cleanup();
this.Close();
this.Cursor = Cursors.Default;
MessageBox.Show("输出成功！", "消息提示：", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void btnPrint_Click(object sender, EventArgs e)
{
if (export is IOutputRasterSettings)
{
rasterSettings = export as IOutputRasterSettings;
rasterSettings.ResampleRatio = 1;
}
if (Information.IsNumeric(txtResolution.Text))
{
iOutputResolution = Convert.ToInt32(txtResolution.Text);
}
else
{
iOutputResolution = 300;
}
IActiveView pActiveView = axPageLayoutControl1.ActiveView;
double iScreenResolution = pActiveView.ScreenDisplay.
DisplayTransformation.Resolution;
tagRECT exportRECT; exportRECT.left = 0; exportRECT.top = 0;
exportRECT.right = Convert.ToInt32(Math.Ceiling(pActiveView.ExportFrame.
right * (iOutputResolution / iScreenResolution)));
exportRECT.bottom = Convert.ToInt32(Math.Round(pActiveView.ExportFrame.
bottom * (iOutputResolution / iScreenResolution)));
IEnvelope pPixelBoundsEnv = new Envelope() as IEnvelope;
pPixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right
, exportRECT.bottom);
export.Resolution = iOutputResolution;
export.PixelBounds = pPixelBoundsEnv;
export.ExportFileName = exportFileName;
int hDC = export.StartExporting();
pActiveView.Output(hDC, (int)export.Resolution, ref exportRECT,
null, null);
export.FinishExporting();
export.Cleanup();
MessageBox.Show("Export Success");
}
/// <summary>
/// 输出图片
/// </summary>
/// <param name="activeView"></param>
/// <param name="outPath">图片输出的完整路径，路径扩展名应为jpg,tiff,bmp,emf,png,gif,pdf,eps,ai,svg之一</param>
/// <param name="resolution">图片分辨率（每英寸点数）</param>
/// <returns></returns>
public static bool ExportToPicture(this IActiveView activeView, string outPath, double resolution = 300)
{
IExport export = CreateExport(outPath, resolution);
tagRECT exportRECT = activeView.ExportFrame;
export.PixelBounds = new EnvelopeClass
{
XMin = exportRECT.left,
YMin = exportRECT.top,
XMax = exportRECT.right,
YMax = exportRECT.bottom
};
//activeView.Output(int hDC, int dpi, ref tagRECT pixelBounds, ref IEnvelope visibleBounds, ref ITrackCancel trackCancel);
//hDC - 输出设备
//dpi - 每英寸点数（分辨率）。如果为0，则默认为hDC的分辨率。如果无法采样，则默认为窗口分辨率
//pixelBounds - 以像素为单位指定的设备矩形
//VisibleBounds - 缩放范围。如果传递Null，则默认为当前可见范围
//如果要将数据框绘制到640x480位图，请指定以下参数值：
// dpi - 0
// pixelBounds - { 0, 0, 640, 480 }
// visible bounds -0
//如果要创建在300 DPI打印机上打印8.5 x 11的位图，请指定以下参数值：
// dpi - 300
// pixel bounds - { 0, 0, 8.5 * dpi, 11 * dpi }
// visible bounds -0
//如果要缩放到某个位置并在300x300位图上绘制，请指定以下参数值：
// dpi - 0
// pixel bounds - { 0, 0, 300, 300 }
// visible bounds - { -45.0, 44.0, -44.0, 45.0 }
activeView.Output(export.StartExporting(), (int)export.Resolution, ref exportRECT, null, null);
export.FinishExporting();
export.Cleanup();
return(true);
}
/// <summary>
/// 写入当前切片级别地理坐标系切片
/// </summary>
/// <param name="i"></param>
/// <param name="tileFileInfo"></param>
/// <param name="outPutDir"></param>
public static void WriteGeoLevel(int i, TileFileInfo tileFileInfo, string outPutDir)
{
IWorkspaceFactory workspaceFactory = new ShapefileWorkspaceFactory();
IWorkspace pWs = workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(tileFileInfo.filePath), 0);
IFeatureClass pFeatureClass = (pWs as IFeatureWorkspace).OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(tileFileInfo.filePath));
IFeatureLayer featureLayer = new FeatureLayerClass
{
FeatureClass = pFeatureClass
};
IDataset dataSet = (IDataset)pFeatureClass;
featureLayer.Name = dataSet.Name;
IMap map = new MapClass();
map.AddLayer(featureLayer);
IMapControlDefault pMapControl = new MapControlClass();
pMapControl.Map = map;
IActiveView pActiveView = pMapControl.ActiveView;
tagRECT rect = new tagRECT();
rect.left = rect.top = 0;
rect.right = 256;
rect.bottom = 256;
IExport pExport = null;
IEnvelope pEnvelope = new EnvelopeClass();
string temp = i.ToString();
if (temp.Length < 2)
{
temp = "0" + temp;
}
System.IO.DirectoryInfo LevelDir = new System.IO.DirectoryInfo(outPutDir).CreateSubdirectory($"L{temp}");
pMapControl.MapScale = TileParam.TileParamProjCoordinateSystem.TileScales[i];
pMapControl.Refresh();
Console.WriteLine($"Level：L{temp}：分辨率{TileParam.TileParamGeoCoordinateSystem.TileResolutions[i]}");
double imageHeighy = TileParam.TileParamGeoCoordinateSystem.TileResolutions[i] * TileParam.TileParamGeoCoordinateSystem.TileSize;
for (int dy = 1, iRnum = 0; TileParam.TileOriginGeo.OriginY - imageHeighy * dy > tileFileInfo.MinY - imageHeighy; dy++, iRnum++)
{
if (TileParam.TileOriginGeo.OriginY - imageHeighy * dy > tileFileInfo.MaxY)
{
continue;
}
string tmpy = iRnum.ToString("X");
while (tmpy.Length < 8)
{
tmpy = "0" + tmpy;
}
Console.WriteLine($"--行号：R{tmpy}");
System.IO.DirectoryInfo RowDir = LevelDir.CreateSubdirectory($"R{tmpy}");
for (int dx = 1, iCnum = 0; TileParam.TileOriginGeo.OriginX + imageHeighy * dx < tileFileInfo.MaxX + imageHeighy; dx++, iCnum++)
{
if (TileParam.TileOriginGeo.OriginX + imageHeighy * dx < tileFileInfo.MinX)
{
continue;
}
string tmpx = iCnum.ToString("X");
while (tmpx.Length < 8)
{
tmpx = "0" + tmpx;
}
try
{
pEnvelope.PutCoords(TileParam.TileOriginGeo.OriginX + imageHeighy * (dx - 1), TileParam.TileOriginGeo.OriginY - imageHeighy * dy, TileParam.TileOriginGeo.OriginX + imageHeighy * dx, TileParam.TileOriginGeo.OriginY - imageHeighy * (dy - 1));
pExport = ToExporter("PNG");
pExport.ExportFileName = RowDir.FullName + "\\C" + tmpx + ".png";
Console.WriteLine($"----列号：C{tmpx} {pExport.ExportFileName}");
pExport.Resolution = 96;
IEnvelope pPixelBoundsEnv = new EnvelopeClass();
pPixelBoundsEnv.PutCoords(rect.left, rect.top, rect.right, rect.bottom);
pExport.PixelBounds = pPixelBoundsEnv;
//开始导出，获取DC
int hDC = pExport.StartExporting();
//导出
pActiveView.Output(hDC, 96, ref rect, pEnvelope, null);
//结束导出
pExport.FinishExporting();
//清理导出类
pExport.Cleanup();
RealeaseAO(pExport);
RealeaseAO(pPixelBoundsEnv);
}
catch (Exception ex) { Helpers.ErrorHelper.PrintException(ex); }
}
}
RealeaseAO(workspaceFactory);
RealeaseAO(pWs);
RealeaseAO(pFeatureClass);
RealeaseAO(featureLayer);
RealeaseAO(map);
RealeaseAO(pMapControl);
}
//使用IActiveView.Output方法输出
//Width和Hight用于设置输出的图片尺寸，默认为0则使用ActiveView.ExportFrame
//VisibleBounds用于设置待输出的地图范围，默认为null则使用ActiveView.Extent
private void ActiveViewOutput(IActiveView docActiveView, int iOutputResolution, int Width, int Height, IEnvelope VisibleBounds, string sExportFileName, IExport docExport)
{
docExport.ExportFileName = sExportFileName;
if (iOutputResolution <= 0) iOutputResolution = 96;
if (Width <= 0 || Height <= 0)
{
Width = docActiveView.ExportFrame.right;
Height = docActiveView.ExportFrame.bottom;
if (Width == 0)
Width = 1024;
if (Height == 0)
Height = 768;
Width = (Width * iOutputResolution) / 96;
Height = (Height * iOutputResolution) / 96;
}
docExport.Resolution = iOutputResolution;
ESRI.ArcGIS.esriSystem.tagRECT exportRECT = new ESRI.ArcGIS.esriSystem.tagRECT();
exportRECT.left = 0;
exportRECT.top = 0;
exportRECT.right = Width;
exportRECT.bottom = Height;
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
docExport.PixelBounds = envelope;
System.Int32 hDC = docExport.StartExporting();
docActiveView.Output(hDC, iOutputResolution, ref exportRECT, VisibleBounds, null);
docExport.FinishExporting();
docExport.Cleanup();
}
/// <summary>
/// 打印或者输出
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnPrint_Click(object sender, EventArgs e)
{
if (axPageLayoutControl1.ActiveView.FocusMap.LayerCount == 0)
{
MessageBox.Show("No Map !");
return;
}
if (rdoPrint.Checked)
{
printDialog1.AllowSomePages = true; //允许用户选择打印哪些页面
printDialog1.ShowHelp = true;
printDialog1.Document = document;
DialogResult result = printDialog1.ShowDialog();
if (result == DialogResult.OK)
{
document.Print();
}
}
if (rdoOutput.Checked)
{
IExport export = null;
string path = outputPath.Text;
if (path == "无")
{
MessageBox.Show("请先选择导出路径");
return;
}
export = getExportClass(path);
if (export == null)
{
MessageBox.Show("导出路径错误");
return;
}
export.ExportFileName = path;
IEnvelope pEnvelope = axPageLayoutControl1.Extent;
//导出参数
export.Resolution = 300;
tagRECT exportRect = new tagRECT();
exportRect.left = 0;
exportRect.top = 0;
//这里暂时固定大小
exportRect.right = 1000;
exportRect.bottom = 1300;
IEnvelope envelope = new EnvelopeClass();
//输出范围
envelope.PutCoords(exportRect.left, exportRect.bottom, exportRect.right, exportRect.top);
export.PixelBounds = envelope;
//可用于取消操作
ITrackCancel pCancel = new CancelTrackerClass();
export.TrackCancel = pCancel;
pCancel.Reset();
//点击ESC键时，中止转出
pCancel.CancelOnKeyPress = true;
pCancel.CancelOnClick = false;
pCancel.ProcessMessages = true;
//获取handle
int hDC = export.StartExporting();
//开始转出
axPageLayoutControl1.ActiveView.Output(hDC, (int)export.Resolution, ref exportRect, pEnvelope, pCancel);
bool bContinue = pCancel.Continue();
//捕获是否继续
if (bContinue)
{
export.FinishExporting();
export.Cleanup();
MessageBox.Show("导出至" + path);
}
else
{
export.Cleanup();
}
bContinue = pCancel.Continue();
}
}
