Reportlab基础教程03之如何绘制线圆椭圆扇形正方形（含代码）

最新推荐文章于 2024-10-11 05:15:00 发布

原创最新推荐文章于 2024-10-11 05:15:00 发布 · 1.2k 阅读

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CC 4.0 BY-SA版权

本文详细介绍使用ReportLab库在PDF中绘制线条和多种形状的方法，包括矩形、椭圆、扇形和圆形，通过示例代码展示如何设置颜色、位置和尺寸。

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绘制线

# drawing_lines.py

from reportlab.lib.pagesizes import letter
from reportlab.pdfgen import canvas

def draw_lines(my_canvas):
    my_canvas.setLineWidth(.3)
    
    start_y = 710
    my_canvas.line(30, start_y, 580, start_y)

    for x in range(10):
        start_y -= 10
        my_canvas.line(30, start_y, 580, start_y)


if __name__ == '__main__':
    my_canvas = canvas.Canvas("lines.pdf", pagesize=letter)
    draw_lines(my_canvas)
    my_canvas.save()

绘制多种形状

# drawing_polygons.py

from reportlab.lib.pagesizes import letter
from reportlab.pdfgen import canvas

def draw_shapes():
    c = canvas.Canvas("draw_other.pdf")
    c.setStrokeColorRGB(0.2, 0.5, 0.3)
    c.rect(10, 740, 100, 80, stroke=1, fill=0)
    c.ellipse(10, 680, 100, 630, stroke=1, fill=1)
    c.wedge(10, 600, 100, 550, 45, 90, stroke=1, fill=0)
    c.circle(300, 600, 50)
    c.save()

if __name__ == '__main__':
    draw_shapes()