Ako pridať komentáre do PowerPointu v C++

Ako pridať komentáre do PowerPointu v C++

Aspose.Slides FOSS pre C++ podporuje dva mechanizmy anotácií:

  • Vláknové komentáre: pripojené k snímke na konkrétnej pozícii, viditeľné v paneli Recenzia v PowerPointe
  • Poznámky prednášajúceho: text na snímke viditeľný v režime Prezentér a v paneli Poznámky

Požiadavky

git clone https://github.com/aspose-slides-foss/Aspose.Slides-FOSS-for-Cpp.git
cd Aspose.Slides-FOSS-for-Cpp && mkdir build && cd build
cmake .. && cmake --build .

Pridať komentár

Komentáre patria k objektu author. Najprv vytvorte autora, potom pridajte komentáre cez author.comments():

#include <Aspose/Slides/Foss/presentation.h>
#include <chrono>

int main() {
    namespace asf = Aspose::Slides::Foss;

    asf::Presentation prs;

    // Create a comment author with name and initials
    auto& author = prs.comment_authors().add_author("Jane Smith", "JS");

    auto& slide = prs.slides()[0];

    // Add a comment at position (2.0, 2.0) from the slide top-left
    Aspose::Slides::Foss::Drawing::PointF pos(2.0f, 2.0f);
    author.comments().add_comment(
        "Please review the figures on this slide",
        slide, pos, std::chrono::system_clock::now());

    prs.save("commented.pptx", asf::SaveFormat::PPTX);
    return 0;
}

Koordináty PointF sú v palcoch od ľavého horného rohu snímky. Viacnásobné volania add_comment() vytvárajú vlákno komentárov pod rovnakým autorom.


Viacerí autori a komentáre

#include <Aspose/Slides/Foss/presentation.h>

int main() {
    namespace asf = Aspose::Slides::Foss;

    asf::Presentation prs;
    auto& author1 = prs.comment_authors().add_author("Alice Brown", "AB");
    auto& author2 = prs.comment_authors().add_author("Bob Davis", "BD");

    auto& slide = prs.slides()[0];

    author1.comments().add_comment(
        "Initial draft: needs revision",
        slide, Aspose::Slides::Foss::Drawing::PointF(1.0f, 1.0f), std::chrono::system_clock::now());
    author2.comments().add_comment(
        "Approved after changes",
        slide, Aspose::Slides::Foss::Drawing::PointF(3.0f, 1.0f), std::chrono::system_clock::now());

    prs.save("multi-author.pptx", asf::SaveFormat::PPTX);
    return 0;
}

Prečítajte komentáre z existujúceho súboru

#include <Aspose/Slides/Foss/presentation.h>
#include <iostream>

int main() {
    namespace asf = Aspose::Slides::Foss;

    asf::Presentation prs("commented.pptx");
    for (size_t i = 0; i < prs.comment_authors().size(); ++i) {
        auto& author = prs.comment_authors()[i];
        std::cout << "Author: " << author.name()
                  << " (" << author.initials() << ")\n";
        for (size_t j = 0; j < author.comments().size(); ++j) {
            auto& comment = author.comments()[j];
            std::cout << "  Slide " << comment.slide().slide_number()
                      << ": " << comment.text() << "\n";
        }
    }
    return 0;
}

Pridať poznámky pre prednášajúceho do snímky

Poznámky pre rečníka sa pridávajú cez slide.notes_slide_manager():

#include <Aspose/Slides/Foss/presentation.h>

int main() {
    namespace asf = Aspose::Slides::Foss;

    asf::Presentation prs;
    auto& slide = prs.slides()[0];
    auto& main_shape = slide.shapes().add_auto_shape(
        asf::ShapeType::RECTANGLE, 50, 50, 600, 300);
    main_shape.text_frame()->set_text("Main slide content");

    // Create the notes slide and write text
    auto* notes = slide.notes_slide_manager().add_notes_slide();
    notes->notes_text_frame().set_text(
        "Mention the Q3 revenue increase. Emphasize the 24% YoY growth.");

    prs.save("with-notes.pptx", asf::SaveFormat::PPTX);
    return 0;
}

Pridať poznámky k viacerým snímkam

#include <Aspose/Slides/Foss/presentation.h>
#include <vector>
#include <string>

int main() {
    namespace asf = Aspose::Slides::Foss;

    std::vector<std::string> note_texts = {
        "Opening: introduce the agenda and set expectations.",
        "Key metrics: emphasize Q4 results and growth trajectory.",
        "Closing: summarize and call to action.",
    };

    asf::Presentation prs;
    auto& layout = prs.slides()[0].layout_slide();
    prs.slides().add_empty_slide(layout);
    prs.slides().add_empty_slide(layout);

    for (size_t i = 0; i < prs.slides().size(); ++i) {
        auto& slide = prs.slides()[i];
        auto& slide_shape = slide.shapes().add_auto_shape(
            asf::ShapeType::RECTANGLE, 50, 50, 600, 300);
        slide_shape.text_frame()->set_text("Slide " + std::to_string(i + 1));

        auto* n = slide.notes_slide_manager().add_notes_slide();
        n->notes_text_frame().set_text(note_texts[i]);
    }

    prs.save("all-notes.pptx", asf::SaveFormat::PPTX);
    return 0;
}

Skontrolovať, či poznámky už existujú

notes_slide_manager().notes_slide() vráti nulový ukazovateľ, ak nebola vytvorená žiadna poznámková snímka:

#include <Aspose/Slides/Foss/presentation.h>
#include <iostream>

int main() {
    namespace asf = Aspose::Slides::Foss;

    asf::Presentation prs("existing.pptx");
    for (size_t i = 0; i < prs.slides().size(); ++i) {
        auto& slide = prs.slides()[i];
        auto* existing = slide.notes_slide_manager().notes_slide();
        if (existing) {
            std::cout << "Slide " << i + 1 << ": "
                      << existing->notes_text_frame().text().substr(0, 60) << "\n";
        } else {
            std::cout << "Slide " << i + 1 << ": no notes\n";
        }
    }
    return 0;
}

Pozri tiež

 Slovenčina