From 18422f8d655ab3d09fe7fc66d51313998b312e71 Mon Sep 17 00:00:00 2001
From: Nam Tran <thnam.me@gmail.com>
Date: Sat, 1 Feb 2020 16:32:30 -0600
Subject: [PATCH] better control of qr genration

---
 wedding-invitation/Makefile                      |  6 +++---
 wedding-invitation/{event.txt => qrEvent_vi.txt} |  5 ++---
 wedding-invitation/qrGen.py                      | 14 ++++++++++++++
 3 files changed, 19 insertions(+), 6 deletions(-)
 rename wedding-invitation/{event.txt => qrEvent_vi.txt} (79%)
 create mode 100755 wedding-invitation/qrGen.py

diff --git a/wedding-invitation/Makefile b/wedding-invitation/Makefile
index bbeb6a1..19e2557 100644
--- a/wedding-invitation/Makefile
+++ b/wedding-invitation/Makefile
@@ -9,9 +9,9 @@ default: $(TARGET)
 $(TARGET): $(INPUT) Makefile $(QR)
 	$(TEX) $< && $(TEX) $< 
 
-$(QR): event.txt
-	cat $< | qr > $@
+$(QR): qrEvent_vi.txt
+	./qrGen.py
 
 clean:
-	rm -f $(DOC).{pdf,out,aux,log}
+	rm -f $(DOC).{pdf,out,aux,log} $(QR)
 	rm -f *.{pdf,out,aux,log,bbl,blg}
diff --git a/wedding-invitation/event.txt b/wedding-invitation/qrEvent_vi.txt
similarity index 79%
rename from wedding-invitation/event.txt
rename to wedding-invitation/qrEvent_vi.txt
index 27246e8..d002ba6 100644
--- a/wedding-invitation/event.txt
+++ b/wedding-invitation/qrEvent_vi.txt
@@ -2,9 +2,8 @@ BEGIN:VCALENDAR
 VERSION:2.0
 BEGIN:VEVENT
 SUMMARY:Đám cưới Nam-Hương
-DTSTART:20200301
-DTEND:20200301
-DTSTAMP:20200301T140000
+DTSTART;TZID=Asia/Saigon:20200301T160000
+DTEND;TZID=Asia/Saigon:20200301T200000
 LOCATION:Nhà hàng Âu Cơ, 1A Nguyễn Hữu Cầu, P. Ngọc Châu, Thành phố Hải Dương, Hải Dương, Vietnam
 GEO:20.9351879;106.3433482,18
 URL:https://goo.gl/maps/eyfMhXgjFTQzAWB79
diff --git a/wedding-invitation/qrGen.py b/wedding-invitation/qrGen.py
new file mode 100755
index 0000000..93af205
--- /dev/null
+++ b/wedding-invitation/qrGen.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+import qrcode
+
+qr = qrcode.QRCode(
+    version=2,
+    error_correction=qrcode.constants.ERROR_CORRECT_Q,
+    box_size=5,
+    border=1)
+
+with open("qrEvent_vi.txt") as fp:
+    qr.add_data(fp.read())
+    qr.make(fit=True)
+    img = qr.make_image(fill_color="orangered", back_color="white")
+    img.save("qr.png")