כיצד להוסיף תמונות לשקופיות PowerPoint ב‑.NET

dotnet add package Aspose.Slides.Foss

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Export;

using var prs = new Presentation();
var slide = prs.Slides[0];

// Load image into the presentation's image collection
byte[] imageData = File.ReadAllBytes("photo.jpg");
var img = prs.Images.AddImage(imageData);

// Add a picture frame at (x=50, y=50, width=400, height=300) in points
var frame = slide.Shapes.AddPictureFrame(
    ShapeType.Rectangle,
    50, 50, 400, 300,
    img
);

prs.Save("with-image.pptx", SaveFormat.Pptx);

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Export;

using var prs = new Presentation();
using var stream = File.OpenRead("logo.png");
var img = prs.Images.AddImage(stream);

prs.Slides[0].Shapes.AddPictureFrame(
    ShapeType.Rectangle,
    200, 100, 300, 200,
    img
);
prs.Save("logo-slide.pptx", SaveFormat.Pptx);

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Export;

using var prs = new Presentation();
byte[] texData = File.ReadAllBytes("texture.png");
var img = prs.Images.AddImage(texData);
var frame = prs.Slides[0].Shapes.AddPictureFrame(
    ShapeType.Rectangle, 50, 50, 600, 350, img
);

// STRETCH: scale image to fill the frame exactly (default)
frame.PictureFormat.PictureFillMode = PictureFillMode.Stretch;

// TILE: repeat the image in a grid pattern
// frame.PictureFormat.PictureFillMode = PictureFillMode.Tile;

prs.Save("filled.pptx", SaveFormat.Pptx);

using Aspose.Slides.Foss;
using Aspose.Slides.Foss.Export;

string[] imageFiles = { "slide1.jpg", "slide2.jpg", "slide3.jpg" };

using var prs = new Presentation();
var layout = prs.Slides[0].LayoutSlide;

// Ensure enough slides exist
while (prs.Slides.Count < imageFiles.Length)
    prs.Slides.AddEmptySlide(layout);

for (int i = 0; i < imageFiles.Length; i++)
{
    if (!File.Exists(imageFiles[i])) continue;
    var img = prs.Images.AddImage(File.ReadAllBytes(imageFiles[i]));
    prs.Slides[i].Shapes.AddPictureFrame(
        ShapeType.Rectangle, 0, 0, 720, 540, img
    );
}

prs.Save("multi-image.pptx", SaveFormat.Pptx);

using Aspose.Slides.Foss;

using var prs = new Presentation("with-image.pptx");
Console.WriteLine($"Presentation contains {prs.Images.Count} image(s)");