Ink

What this page is about

Work with Ink in Aspose.Slides for C++: draw, import, and edit strokes, adjust color and width, and export to PPT, PPTX, and ODP using C++ examples.

This article provides examples of accessing existing ink shapes and removing them using Aspose.Slides for C++.

❗ Note: Ink shapes represent user input from specialized devices. Aspose.Slides cannot create new ink strokes programmatically, but you can read and modify existing ink.

Access Ink

Read the tags from the first ink shape on a slide.

#include <DOM/ICustomData.h>
#include <DOM/IShapeCollection.h>
#include <DOM/ISlide.h>
#include <DOM/ITagCollection.h>
#include <DOM/Ink/IInk.h>
#include <DOM/Presentation.h>
#include <system/object_ext.h>
#include <system/smart_ptr.h>
using namespace Aspose::Slides;
using namespace Aspose::Slides::Ink;
using namespace System;

static void AccessInk()
{
    auto presentation = MakeObject<Presentation>(u"ink.pptx");
    auto slide = presentation->get_Slide(0);

    auto shape = slide->get_Shape(0);
    if (ObjectExt::Is<IInk>(shape))
    {
        auto inkShape = ExplicitCast<IInk>(shape);
        auto tags = inkShape->get_CustomData()->get_Tags();
        if (tags->get_Count() > 0)
        {
            auto tagName = tags->GetNameByIndex(0);
            // Use tagName as needed.
        }
    }

    presentation->Dispose();
}

Remove Ink

Delete an ink shape from the slide if one exists.

#include <DOM/ICustomData.h>
#include <DOM/IShapeCollection.h>
#include <DOM/ISlide.h>
#include <DOM/ITagCollection.h>
#include <DOM/Ink/IInk.h>
#include <DOM/Presentation.h>
#include <system/object_ext.h>
#include <system/smart_ptr.h>
using namespace Aspose::Slides;
using namespace Aspose::Slides::Ink;
using namespace System;

static void RemoveInk()
{
    auto presentation = MakeObject<Presentation>(u"ink.pptx");
    auto slide = presentation->get_Slide(0);

    auto ink = SharedPtr<IInk>();
    for (auto&& shape : slide->get_Shapes())
    {
        if (ObjectExt::Is<IInk>(shape))
        {
            ink = ExplicitCast<IInk>(shape);
            break;
        }
    }
    if (ink != nullptr)
    {
        slide->get_Shapes()->Remove(ink);
    }

    presentation->Dispose();
}

Group Shape Connector