将工作表呈现到图形上下文
Contents
[
Hide
]
Aspose.Cells现在可以将工作表呈现到图形上下文。图形上下文可以是图像文件、屏幕或打印机等。请使用以下两种方法之一将工作表呈现到图形上下文。
以下代码示例说明了如何使用Aspose.Cells将工作表呈现到图形上下文。一旦执行代码,它将在图形上下文中打印整个工作表,并用蓝色填充剩余的空白空间,并将图像保存为**OutputImage_out_.png**文件。您可以使用任何源Excel文件来尝试这段代码。此外,请阅读代码内部的注释以更好地理解。
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET | |
// The path to the documents directory. | |
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); | |
// Create workbook object from source file | |
Workbook workbook = new Workbook(dataDir + "SampleBook.xlsx"); | |
// Access first worksheet | |
Worksheet worksheet = workbook.Worksheets[0]; | |
// Create empty Bitmap | |
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(1100, 600); | |
// Create Graphics Context | |
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp); | |
g.Clear(System.Drawing.Color.Blue); | |
// Set one page per sheet to true in image or print options | |
Aspose.Cells.Rendering.ImageOrPrintOptions opts = new Aspose.Cells.Rendering.ImageOrPrintOptions(); | |
opts.OnePagePerSheet = true; | |
// Render worksheet to graphics context | |
Aspose.Cells.Rendering.SheetRender sr = new Aspose.Cells.Rendering.SheetRender(worksheet, opts); | |
sr.ToImage(0, g, 0, 0); | |
// Save the graphics context image in Png format | |
bmp.Save(dataDir + "OutputImage_out.png", System.Drawing.Imaging.ImageFormat.Png); |