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ImagePlacementAbsorber를 사용하면 PDF 문서의 모든 페이지에서 이미지를 검색할 수 있습니다.
다음 코드 스니펫은 Aspose.PDF.Drawing 라이브러리와 함께 작동합니다.
전체 문서에서 이미지를 검색하려면:
다음 코드 스니펫은 문서에서 모든 이미지를 검색하는 방법을 보여줍니다.
// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ExtractImagesFromPDF()
{
// The path to the documents directory
var dataDir = RunExamples.GetDataDir_AsposePdf_Images();
// Open PDF document
using (var document = new Aspose.Pdf.Document(dataDir + "SearchAndGetImages.pdf"))
{
// Create ImagePlacementAbsorber object to perform image placement search
var abs = new Aspose.Pdf.ImagePlacementAbsorber();
// Accept the absorber for all the pages
document.Pages.Accept(abs);
// Loop through all ImagePlacements, get image and ImagePlacement properties
foreach (var imagePlacement in abs.ImagePlacements)
{
// Get the image using ImagePlacement object
var image = imagePlacement.Image;
// Display image placement properties for all placements
Console.Out.WriteLine("image width: " + imagePlacement.Rectangle.Width);
Console.Out.WriteLine("image height: " + imagePlacement.Rectangle.Height);
Console.Out.WriteLine("image LLX: " + imagePlacement.Rectangle.LLX);
Console.Out.WriteLine("image LLY: " + imagePlacement.Rectangle.LLY);
Console.Out.WriteLine("image horizontal resolution: " + imagePlacement.Resolution.X);
Console.Out.WriteLine("image vertical resolution: " + imagePlacement.Resolution.Y);
}
}
}
개별 페이지에서 이미지를 가져오려면 다음 코드를 사용하세요:
// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void ExtractImageFromAnIndividualPage()
{
// The path to the documents directory
var dataDir = RunExamples.GetDataDir_AsposePdf_Images();
// Open PDF document
using (var document = new Aspose.Pdf.Document(dataDir + "SearchAndGetImages.pdf"))
{
// Create ImagePlacementAbsorber object to perform image placement search
var abs = new Aspose.Pdf.ImagePlacementAbsorber();
// Accept the absorber for all the pages
document.Pages[1].Accept(abs);
}
}
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