Visual FoxPro

Convert Embedded HTML Images to Multipart/Related CID References

Demonstrates how to convert HTML images that are inline/embedded within the HTML to CID references to multipart/related MIME parts.

Note: This example requires Chilkat v9.5.0.78 or greater.

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LOCAL lnSuccess
LOCAL loEmail

lnSuccess = 0

* This example assumes the Chilkat API to have been previously unlocked.
* See Global Unlock Sample for sample code.

* This example converts the following email with image data embedded directly in the HTML,
* to the MIME shown at the bottom of this page.
* If the HTML contains multiple embedded images, the call to email.ConvertInlineImages will convert all of them.

* MIME-Version: 1.0
* Date: Tue, 30 Apr 2019 11:36:34 +0200
* Message-ID: <E5DB5F8A65D671FB4822B22F5309411838F2FC93@PC0VDL0W013>
* Content-Type: text/html; charset="windows-1252"
* Content-Transfer-Encoding: quoted-printable
* X-Priority: 3 (Normal)
* From: <admin@chilkatsoft.com>
* To: Matt <matt@chilkat.io>
* Subject: Test
* 
* <html xmlns=3D"http://www.w3.org/1999/xhtml">
* <body><p>
* <img src=3D"data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEA3ADcAAD/2=
* wBDAAIBAQEBAQIBAQECAgICAgQDAgICAgUEBAMEBgUGBgYFBgYGBwkIBgcJBwYGCAsICQoKCgoK=
* BggLDAsKDAkKCgr/2wBDAQICAgICAgUDAwUKBwYHCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgo=
* ...
* 4zzS3ww+5/8AyR//2Q=3D=3D" width=3D"58" height=3D"66" alt=3D"" style=3D"bord=
* er-width:0px;" /></body>
* </html>

loEmail = CreateObject('Chilkat.Email')
lnSuccess = loEmail.LoadEml("qa_data/eml/embedded_html_image.eml")

loEmail.ConvertInlineImages()
? loEmail.GetMime()

* The MIME after moving the image data to a separate MIME sub-part:

* MIME-Version: 1.0
* Date: Tue, 30 Apr 2019 11:36:34 +0200
* Message-ID: <E5DB5F8A65D671FB4822B22F5309411838F2FC93@PC0VDL0W013>
* Content-Type: multipart/related; boundary="------------020808080005060904000806"
* X-Priority: 3 (Normal)
* From: <admin@chilkatsoft.com>
* To: Matt <matt@chilkat.io>
* Subject: Test
* 
* --------------020808080005060904000806
* Content-Type: text/html; charset=windows-1252
* Content-Transfer-Encoding: quoted-printable
* 
* <html xmlns=3D"http://www.w3.org/1999/xhtml">
* </head></head><body><p>
* <img src=3D"cid:CID-1f73052c-32a7-4abb-8e9d-0afb58c17eed@CHILKATSLICE" widt=
* h=3D"58" height=3D"66" alt=3D"" style=3D"border-width:0px;" /></body>
* </html>
* 
* 
* 
* --------------020808080005060904000806
* Content-Type: image/jpeg; name="image_95EA3073134C.jpeg"
* Content-Transfer-Encoding: base64
* Content-ID: <CID-1f73052c-32a7-4abb-8e9d-0afb58c17eed@CHILKATSLICE>
* 
* /9j/4AAQSkZJRgABAQEA3ADcAAD/2wBDAAIBAQEBAQIBAQECAgICAgQDAgICAgUEBAMEBgUGBgYF
* BgYGBwkIBgcJBwYGCAsICQoKCgoKBggLDAsKDAkKCgr/2wBDAQICAgICAgUDAwUKBwYHCgoKCgoK
* ...
* 5bmGF7e42pOwUxrFNEQOcLGw6vX2Yv7NfxbWLYfB67s84vrf/wCLoor8r424ZwGYZkqlSUk+VLRr
* /Jn2mS8QYzC0Woxi9eqf+aGr+zX8XUyW8K9/+f8Ag/8AjlO/4Zs+Ln/Qqf8Ak/b/APxyiivkXwPl
* H88/vj/8ifUR4zzS3ww+5/8AyR//2Q==
* 
* --------------020808080005060904000806--

RELEASE loEmail