Sapphire JPG实用程序通过以下功能将位图转换变得简单容易：

将.bmp转换为.jpg文件

您能下载最新的演示版本查看完全工作的演示样本，您同样能在您的应用程序中重复使用它，就如您看到的一样。可在下载页面进行下载。该演示版本功能齐全，只是包含了一个每次会弹出的消息。如果您正向客户销售您的应用程序，那么您可放心，因为应用程序不只是在理论上而是能真正地工作。

样本代码

执行非常简单。只需在您的应用程序中声明DLL功能，然后调用该功能，尽管它是由您自己编写。以下是显示怎样将位图保存到jpeg文件的样本演示代码。

Public Sub JPGSave(ByVal outFile As String, _
		   ByVal quality As Integer, _
		   ByVal bmpPhoto As IntPtr)

	sJPGSave(outFile, quality, bmpPhoto, SapphireJPGLicence)
End Sub

The Sapphire JPG Utility makes bitmap conversion easy with the following features:

• Convert .bmp to .jpg file

You can download the latest demo version to see a fully working demo which you can reuse within your application as you see fit. This can be found on the download pages. The demo versions are fully functional and simply contain a popup message from time to time. These are ideal if you are selling your application to the client where you can be confident the application will work in practice and not just theory.

Sample Code

Implementation couldn’t be easier, simply declare the DLL function as a function within your application and call it as though you wrote it yourself. Here’s a sample demo to show how to save the bitmap file to a jpeg file.

Public Sub JPGSave(ByVal outFile As String, _
		   ByVal quality As Integer, _
		   ByVal bmpPhoto As IntPtr)

	sJPGSave(outFile, quality, bmpPhoto, SapphireJPGLicence)
End Sub