In this tutorial, we will explore how to Save Slide as SVG in C++. SVG is popular format while rendering images in browsers and using C++, you can convert PowerPoint Slide to SVG in few API calls.
Steps to Save Slide as SVG in C++
- Install Aspose.Slides for C++ with NuGet package Manager tool
- include reference to Aspose::Slides namespace
- Load the presentation file for saving slide as SVG using Presentation Class instance
- Use the WriteAsSvg method to convert slide to SVG
You can easily convert PPTX to SVG in C++ using few lines of code and with no reliance or dependency on Microsoft Interop or PowerPoint.
Code to Convert Slide to SVG in C++
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| #pragma once | |
| #include <DOM/Presentation.h> | |
| #include <DOM/ISlide.h> | |
| #include <DOM/ISlideCollection.h> | |
| #include <Util/License.h> | |
| #include <Export/SaveFormat.h> | |
| #include <system/io/file.h> | |
| #include <system/io/memory_stream.h> | |
| #include <iostream> | |
| #include <system/enumerator_adapter.h> | |
| #include <system/console.h> | |
| #include <system/string.h> | |
| #include <system/io/file.h> | |
| #include <system/io/file_mode.h> | |
| #include <system/io/file_stream.h> | |
| #include <system/io/memory_stream.h> | |
| #include <system/math.h> | |
| #include <system/special_casts.h> | |
| #include <system/collections/dictionary.h> | |
| #include <drawing/graphics.h> | |
| #include <drawing/bitmap.h> | |
| #include <system/io/file_stream.h> | |
| using namespace Aspose::Slides; | |
| using namespace Aspose::Slides::Export; | |
| using namespace System; | |
| using namespace System::IO; | |
| class ConvertToSVG { | |
| public: | |
| static void ConverSlidesSVGImage() | |
| { | |
| // Instantiate Presentation class to load the presentation | |
| SharedPtr<Presentation> pres = MakeObject<Presentation>(u"input.pptx"); | |
| // Instantiate the Slide class to access the first slide | |
| SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0); | |
| // Create a memory stream object to hold the exported SVG | |
| SharedPtr<MemoryStream> SvgStream = MakeObject<MemoryStream>(); | |
| // Save Slide as SVG image in memory stream | |
| slide->WriteAsSvg(SvgStream); | |
| SvgStream->set_Position(0); | |
| // Save SVG in memory stream to disc | |
| try | |
| { | |
| SharedPtr<Stream> fileStream = File::OpenWrite(u"saved.svg"); | |
| ArrayPtr<uint8_t> buffer = System::MakeObject<Array<uint8_t>>(8 * 1024, 0); | |
| int32_t len; | |
| while ((len = SvgStream->Read(buffer, 0, buffer->get_Length())) > 0) | |
| { | |
| fileStream->Write(buffer, 0, len); | |
| } | |
| } | |
| catch (Exception e) | |
| { | |
| } | |
| SvgStream->Close(); | |
| } | |
| }; |
Previously, we learnt How to Covert PowerPoint Presentation to XPS Using C++. Whereas in the above example we have seen how to export Slide as SVG using C++.
