Handling Microsoft PowerPoint file format
| This article may require cleanup to meet the Qt Wiki's quality standards. Reason: Auto-imported from ExpressionEngine. Please improve this article if you can. Remove the {{cleanup}} tag and add this page to Updated pages list after it's clean. |
[toc align_right="yes" depth="2"]
Handling Microsoft PowerPoint (file format)
This page discusses various available options for working with Microsoft PowerPoint documents in your Qt application. Please also read the general considerations outlined on the Handling Document Formats page.
p{width:60%;border:solid 1px #99a;background:#eef;color:#335;padding:2pt 4pt;font-size:0.9em;line-height:150%;font-style:italic}. Note that this information is collaboratively collected by the community, with no promise of completeness or correctness. In particular, use your own research and judgment when evaluating third-party libraries or tools!
p{border:dashed 1px #a94;background:#fbf3dd;color:#530;padding:2pt 4pt;font-size:0.9em;line-height:150%;font-style:italic}. NOTE: This page is a stub. Please help expanding it.
One needs to distinguish between two different formats (this page deals with both of them):
table{width:95%;margin-left:2.5%}. | |. Legacy "PowerPoint Presentation" format |. "Office Open XML Presentation" format | | classification: | binary | XML-based | | main filename extension: | {font:1em monospace}.ppt | {font-family:monospace}.pptx | | main internet media type: | {font:0.9em monospace}application/vnd.ms-powerpoint | {font:0.9em monospace}application/vnd.openxmlformats-officedocument.presentationml.presentation | | native format of PowerPoint: | until PowerPoint 2003 | since PowerPoint 2007 |
Reading / Writing
Using PowerPoint itself
If you are exclusively targeting the Windows platform and Microsoft PowerPoint will be installed on all target machines, then you can use Qt’s ActiveX framework to access PowerPoint’s .ppt and .pptx processing functionality through OLE automation. For an introductory code example (and a way to list the API provided by the PowerPoint COM object), consult this how to (focuses on Microsoft Excel, but it works the same way for PowerPoint).
table{width:95%;margin-left:2.5%}. | |. DLL file name |. COM object name |. platforms |. license | | Microsoft PowerPoint | ? | {font-family:monospace}PowerPoint.Application | Windows | {color:#458}commercial |
Using independent parser/writer libraries
…
table{width:95%;margin-left:2.5%}. | |. API |. {font-family:monospace}.ppt |. {font-family:monospace}.pptx |. reading |. writing |. platforms |_. license | | … | … | … | … | … | … | … | … |
Using manual XML processing
Files using the XML-based (.pptx) format could be processed using Qt's XML handling classes (see Handling Document Formats).
…
Using batch conversion tools
…
Rendering
Using PowerPoint itself
p{border:dashed 1px #a94;background:#fbf3dd;color:#530;padding:2pt 4pt;font-size:0.9em;line-height:150%;font-style:italic}. TODO: If you know whether PowerPoint's COM object (see above) supports rendering individual pages from a .ppt/.pptx presentation to images (e.g. for thumbnails), please edit this section.
…
Interactive Viewing
Using PowerPoint itself
p{border:dashed 1px #a94;background:#fbf3dd;color:#530;padding:2pt 4pt;font-size:0.9em;line-height:150%;font-style:italic}. TODO: If you know whether PowerPoint provides a "viewer" ActiveX control that can be embedded in a Qt application through ActiveQT, please fill out this section (include links to relevant resources!)
…
Manual solution
…
p{color:#fff;border-bottom:solid 1px #ccc}. .
See Also
- Handling Document Formats
- other Microsoft Office formats:
- other "Presentation" document formats: