Why are the page sizes obtained from reading a document different from those obtained from creating a new document? #4296
Description
Description of the bug
import fitz
def compare_page_matrices():
# 打开原始PDF
doc1 = fitz.open("input.pdf")
page1 = doc1[0]
# 创建新的PDF
doc2 = fitz.open()
page2 = doc2.new_page(width=595.32, height=841.92)
# 在两个页面上绘制相同的测试图形
def draw_test_pattern(page, label):
shape = page.new_shape()
# 画边框
shape.draw_rect(page.rect)
shape.finish(width=2, color=(0, 0, 0))
# 画四个角的圆圈
for x, y, color in [
(0, 0, (1, 0, 0)), # 左下 - 红
(0, page.rect.height, (0, 1, 0)), # 左上 - 绿
(page.rect.width, 0, (0, 0, 1)), # 右下 - 蓝
(page.rect.width, page.rect.height, (1, 1, 0)) # 右上 - 黄
]:
shape.draw_circle((x, y), 20)
shape.finish(fill=color)
shape.insert_text(
(x + 25, y + 25),
f"{label} ({x:.0f}, {y:.0f})",
fontsize=12,
color=color
)
shape.commit()
# 在两个页面上绘制
draw_test_pattern(page1, "原PDF")
draw_test_pattern(page2, "新PDF")
# 保存结果
doc1.save("test_original.pdf")
doc2.save("test_new.pdf")
# 关闭文档
doc1.close()
doc2.close()
print("测试文件已保存为 'test_original.pdf' 和 'test_new.pdf'")
if name == "main":
compare_page_matrices()
How to reproduce the bug
Why are the page sizes obtained from reading a document different from those obtained from creating a new document?
PyMuPDF version
1.25.3
Operating system
Windows
Python version
3.13