Aspose.Slides for CPP 20.9 Release Notes

/// <summary>
/// Returns the bullet fill format of a paragraph.
/// Read-only <see cref="Aspose::Slides::IFillFormatEffectiveData">IFillFormatEffectiveData</see>.
/// </summary>
virtual System::SharedPtr<IFillFormatEffectiveData> get_FillFormat() = 0;

using namespace System;
using namespace Aspose::Slides;

auto pres = MakeObject<Presentation>(u"SomePresentation.pptx");
// Assume that the first shape on the first slide is AutoShape with some text...
// Output information about text paragraphs' bullets
auto autoShape = DynamicCast<AutoShape>(pres->get_Slides()->idx_get(0)->get_Shapes()->idx_get(0));
for (auto para : IterateOver(autoShape->get_TextFrame()->get_Paragraphs()))
{
    auto bulletFormatEffective = para->get_ParagraphFormat()->get_Bullet()->GetEffective();
    Console::WriteLine(String(u"Bullet type: ") + ObjectExt::ToString(bulletFormatEffective->get_Type()));
    if (bulletFormatEffective->get_Type() != BulletType::None)
    {
        Console::WriteLine(String(u"Bullet fill type: ") + ObjectExt::ToString(bulletFormatEffective->get_FillFormat()->get_FillType()));
        switch (bulletFormatEffective->get_FillFormat()->get_FillType())
        {
            case FillType::Solid:
                Console::WriteLine(String(u"Solid fill color: ") + bulletFormatEffective->get_FillFormat()->get_SolidFillColor());
                break;

            case FillType::Gradient:
            {
                Console::WriteLine(String(u"Gradient stops count: ") + bulletFormatEffective->get_FillFormat()->get_GradientFormat()->get_GradientStops()->get_Count());
                for (auto gradStop : IterateOver(bulletFormatEffective->get_FillFormat()->get_GradientFormat()->get_GradientStops()))
                {
                    Console::WriteLine(Convert::ToString(gradStop->get_Position()) + u": " + gradStop->get_Color());
                }
                break;
            }

            case FillType::Pattern:
                Console::WriteLine(String(u"Pattern style: ") + ObjectExt::ToString(bulletFormatEffective->get_FillFormat()->get_PatternFormat()->get_PatternStyle()));
                Console::WriteLine(String(u"Fore color: ") + bulletFormatEffective->get_FillFormat()->get_PatternFormat()->get_ForeColor());
                Console::WriteLine(String(u"Back color: ") + bulletFormatEffective->get_FillFormat()->get_PatternFormat()->get_BackColor());
                break;

            default:
                break;
        }
    }
    Console::WriteLine();
}

/// <summary>
/// Gets effective bullet formatting data with the inheritance applied.
/// </summary>
virtual System::SharedPtr<IBulletFormatEffectiveData> GetEffective() = 0;

using namespace System;
using namespace Aspose::Slides;

auto pres = MakeObject<Presentation>(u"MyPresentation.pptx");
auto shape = DynamicCast_noexcept<IAutoShape>(pres->get_Slides()->idx_get(0)->get_Shapes()->idx_get(0));
auto effectiveBulletFormat = shape->get_TextFrame()->get_Paragraphs()->idx_get(0)->get_ParagraphFormat()->get_Bullet()->GetEffective();

Console::WriteLine(String(u"Bullet type: ") + ObjectExt::ToString(effectiveBulletFormat->get_Type()));
if (effectiveBulletFormat->get_Type() == BulletType::Numbered)
{
    Console::WriteLine(String(u"Numbered style: ") + ObjectExt::ToString(effectiveBulletFormat->get_NumberedBulletStyle()));
    Console::WriteLine(String(u"Starting number: ") + effectiveBulletFormat->get_NumberedBulletStartWith());
}

/// <summary>
/// Controls SVG shape and text generation.
/// </summary>
class ASPOSE_SLIDES_API_SHARED_CLASS ISvgShapeAndTextFormattingController : public ISvgShapeFormattingController
{
public:
    /// <summary>
    /// This function is called before rendering of text portion to SVG to allow user to control resulting SVG.
    /// </summary>
    /// <param name="svgTSpan">Object to control SVG tspan generation.</param>
    /// <param name="portion">Source portion.</param>
    /// <param name="textFrame">Source portion text frame.</param>
    virtual void FormatText(SharedPtr<ISvgTSpan> svgTSpan, SharedPtr<IPortion> portion, SharedPtr<ITextFrame> textFrame) = 0;
};

using namespace System;
using namespace Aspose::Slides;

void SaveSlideToSVG()
{
    auto pres = MakeObject<Presentation>(u"presentation.pptx");
    auto svgOptions = MakeObject<SVGOptions>();
    svgOptions->set_ShapeFormattingController(MakeObject<CustomSvgShapeFormattingController>(0));

    auto fs = MakeObject<IO::FileStream>(u"slide.svg", IO::FileMode::Create, IO::FileAccess::Write);
    pres->get_Slides()->idx_get(0)->WriteAsSvg(fs, svgOptions);
    fs->Close();
}

class CustomSvgShapeFormattingController : public Export::ISvgShapeAndTextFormattingController
{
public:
    CustomSvgShapeFormattingController(int32_t shapeStartIndex = 0)
        : m_shapeIndex(shapeStartIndex), m_portionIndex(0), m_tspanIndex(0)
    {
    }

    void FormatShape(SharedPtr<Export::ISvgShape> svgShape, SharedPtr<IShape> shape) override
    {
        svgShape->set_Id(String::Format(u"shape-{0}", m_shapeIndex++));
        m_portionIndex = m_tspanIndex = 0;
    }

    void FormatText(SharedPtr<Export::ISvgTSpan> svgTSpan, SharedPtr<IPortion> portion, SharedPtr<ITextFrame> textFrame) override
    {
        int32_t paragraphIndex = 0;
        int32_t portionIndex = 0;
        for (int32_t i = 0; i < textFrame->get_Paragraphs()->get_Count(); i = i + 1)
        {
            portionIndex = textFrame->get_Paragraphs()->idx_get(i)->get_Portions()->IndexOf(portion);
            if (portionIndex > -1)
            {
                paragraphIndex = i;
                break;
            }
        }
        if (m_portionIndex != portionIndex)
        {
            m_tspanIndex = 0;
            m_portionIndex = portionIndex;
        }

        svgTSpan->set_Id(String::Format(u"paragraph-{0}_portion-{1}_{2}", paragraphIndex, m_portionIndex, m_tspanIndex++));
    }

private:
    int32_t m_shapeIndex, m_portionIndex, m_tspanIndex;
};