Spire.PDF for Python 12.1.3 は Mac M シリーズチップ（ARM64 アーキテクチャ）に対応しています

class MyPdfCustomAppearance(IPdfSignatureAppearance):
    def __init__(self):
        pass

    def Generate(self, g: PdfCanvas):
        x = 0.0
        y = 0.0
        fontSize = 10.0
        font = PdfTrueTypeFont("SimSun", fontSize, PdfFontStyle.Regular, True)
        lineHeight = fontSize
        image = PdfImage.FromFile(inputImage)
        g.DrawImage(image, x, y)
        x = float(image.Width)
        g.DrawString("Signer: Gary", font, PdfBrushes.get_Red(), PointF(x, y))
        y += lineHeight + 5
        g.DrawString("Phone: +86 12345678", font, PdfBrushes.get_Black(), PointF(x, y))
        y += lineHeight + 5
        g.DrawString("Address: Sichuan Province, China", font, PdfBrushes.get_Black(), PointF(x, y))

doc = PdfDocument()
doc.LoadFromFile(inputFile)
signatureMaker = PdfOrdinarySignatureMaker(doc, inputFile_pfx, "e-iceblue")
my_appearance = MyPdfCustomAppearance()
customAppearance = PdfCustomAppearance(my_appearance)
signatureMaker.MakeSignature("Signer", doc.Pages.get_Item(0), 90.0, 550.0, 270.0, 640.0, customAppearance)
doc.SaveToFile(outputFile)
doc.Close()

# ディスクから文書を読み込む
doc = PdfDocument()
doc. LoadFromFile(inputFile)
# 長方形を定義する
rctg = RectangleF (0.0, 0.0, 200.0, 300.0)
pdfPageBase = doc.Pages.get_Item (0)
finder = PdfTextFinder(pdfPageBase)
finder.Options.Parameter = TextFindParameter.none
finder.Options.Area = rctg
# 長方形内のテキストを検索する
findouts = finder.FindAllText()
sb=[]
for fragment in findouts:
    sb.append (fragment.Text)
    sb.append (fragment.TextStates[0].FontName)
    sb.append(str(round(fragment.TextStates[0].FontSize,2)))
result ="result.txt"