watermark属性
watermark属性
获取或设置 watermark 以输出。
例子
以下代码在输出pdf中设置watermark。
from aspose.cells import PaperSizeType, PdfSaveOptions, TextAlignmentType, Workbook
from aspose.cells.rendering import RenderingFont, RenderingWatermark
from aspose.pydrawing import Color
# prepare a workbook with 3 pages.
wb = Workbook()
wb.worksheets[0].cells.get("A1").put_value("Page1")
index = wb.worksheets.add()
wb.worksheets[index].cells.get("A1").put_value("Page2")
index = wb.worksheets.add()
wb.worksheets[index].cells.get("A1").put_value("Page3")
wb.worksheets[index].page_setup.paper_size = PaperSizeType.PAPER_A3
# create a font for watermark, and specify bold, italic, color
font = RenderingFont("Calibri", 68)
font.italic = True
font.bold = True
font.color = Color.blue
# create a watermark from text and the specified font
watermark = RenderingWatermark("Watermark", font)
# specify horizontal and vertical alignment
watermark.h_alignment = TextAlignmentType.CENTER
watermark.v_alignment = TextAlignmentType.CENTER
# specify rotation
watermark.rotation = 30.0
# specify opacity
watermark.opacity = 0.6
# specify the scale to page(e.g. 100, 50) in percent.
watermark.scale_to_page_percent = 50
# spcify watermark for rendering to pdf.
options = PdfSaveOptions()
options.watermark = watermark
wb.save("output_watermark.pdf", options)
定义：
@property
def watermark(self):
...
@watermark.setter
def watermark(self, value):
...
