From babe636ac99c993cc883c7fae5cd6b7ac67294bc Mon Sep 17 00:00:00 2001
From: Leroll <senjaer1919@gmail.com>
Date: Wed, 20 Mar 2024 15:08:41 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E4=B8=80=E4=B8=AApdf?=
 =?UTF-8?q?=E5=8E=8B=E7=BC=A9=E4=BB=A3=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .gitignore            |  2 +-
 utils/pdf_compress.py | 46 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 utils/pdf_compress.py

diff --git a/.gitignore b/.gitignore
index 82aea0b..a294c90 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 *.xmind
-
+*.DS_Store
diff --git a/utils/pdf_compress.py b/utils/pdf_compress.py
new file mode 100644
index 0000000..713cb64
--- /dev/null
+++ b/utils/pdf_compress.py
@@ -0,0 +1,46 @@
+import fitz
+import os
+
+def covert2pic(zoom):
+	if os.path.exists('.pdf'):
+		os.removedirs('.pdf')
+	os.mkdir('.pdf')
+	for pg in range(totaling):
+		page  = doc.load_page(pg)
+		zoom  = int(zoom)
+		lurl  = '.pdf/%s.png' % str(pg+1)
+		trans = fitz.Matrix(zoom/100.0,zoom/100.0)
+		pm    = page.get_pixmap(matrix=trans,alpha=False)
+		pm.save(lurl)
+		print(page)
+	doc.close()
+
+def pic2pdf(obj):
+	doc = fitz.open()
+	for pg in range(totaling):
+		img      = '.pdf/%s.png' % str(pg+1)
+		imgdoc   = fitz.open(img)
+		pdfbytes = imgdoc.convert_to_pdf()
+		imgpdf   = fitz.open("pdf",pdfbytes)
+		os.remove(img)
+		doc.insert_pdf(imgpdf)
+	if os.path.exists(obj):
+		os.remove(obj)
+	doc.save(obj)
+	doc.close()
+
+def pdfz(sor,obj,zoom):
+	covert2pic(zoom)
+	pic2pdf(obj)
+
+if __name__ == "__main__":
+    # ===============================================
+    # 运行前修改以下三个参数, 测试了下，效果不是太好
+	zoom = 20 #50代表缩小50%，200代表放大200%，100代表既不放大也不缩小
+	sor  = 'xx.pdf' #输入文件名
+	obj  = 'c_xx.pdf' #输出文件名 
+    # ===============================================
+	doc  = fitz.open(sor)
+	totaling = doc.page_count
+	pdfz(sor,obj,zoom)
+	os.removedirs('.pdf')
\ No newline at end of file