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手邊方格紙剛好用完，要不自己做一個？

這項目的緣起只是因為早上忽然發現家中的方格紙沒了，外頭又再下大雨，閒閒沒事想說自己來尻一下順便練習 python 手感

項目目標

  • 熟悉 Reportlab 的繪圖與 PDF 檔案匯出操作
  • 熟悉物件導向，力求主程式簡單
  • 熟悉項目資料夾架構
  • 範例

使用語言

  • Python

我使用的工具

  • Sublime
  • Git
    • Tower (Mac only)

學習需要能力/材料

強烈建議

  • 家裡有印表機
  • 有支持世大運
  • 按這篇文章讚

有會更好

  • 物件導向概念
  • 基本 list 概念與操作方法
  • package 安裝方法
  • 一點點程式邏輯拆解怎麼用一個 function 畫出主/副線框

How to use it?

  1. Open the GitHub repository
  2. Fork it
  3. Clone it and create a copy on your computer
  4. Modify the settings.py file
  5. Run the main.py

How to learn it?

  1. Check the tutorial of reportlab package first, get to know how to create a canvas, put something on it and export it to the pdf file
  2. Check how does the grid function works
  3. Start to build the basic main python file: create a canvas > generate the grid > export
  4. Use list .append() and while loop function to create the xlist/ylist (pls check out myfunc.py/xylist)
  5. Because u would like to add a major grid in the end, so pls make sure the total numbers of both columns and rows u create can be divided by 5, the hint is trying to use the for loop inside the while loop
  6. Write a boolean variable into your fun, so that both major/minor grids can call it
  7. Use xylist to draw a grid
  8. Now u might find out the whole grid doesn't locate at the middle
  9. Create the align() function to compute the right starting point, then pass the value to xylist[0]
  10. Everything just done, but try to do more! Separate all the setting and canvas Spec from main.py

Settings Attributes

class Settings():

    def __init__(self):
        self.filename="MyGraphPaper" #no need to assign a file extention
        self.size=A4 #check the default setting below
        self.xgap=0.5 #in cm
        self.ygap=.5 #in cm
        self.footer="Copyright © 2017 Dan Project"

        #Minor line setting:
        self.colorMinor=pink #check the default setting below
        self.lineWidthMinor=1

        #Major line setting: if u dont want the major grid, set the majorLine=False
        self.majorLine=True
        self.colorMajor=pink #check the default setting below
        self.lineWidthMajor=2<div>

    <html lang="zh-Hant-CN">

</div>

推薦文章：

https://www.google.com.tw/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwjI3M6wlPfVAhXNq5QKHbHiAfQQFggxMAE&url=https%3A%2F%2Fwww.reportlab.com%2Fdocs%2Freportlab-userguide.pdf&usg=AFQjCNGZMKURmDlJw9uZ_mAIXO5tlMI81g https://jeffknupp.com/blog/2014/06/18/improve-your-python-python-classes-and-object-oriented-programming/ https://python.swaroopch.com/oop.html http://www.python-course.eu/object_oriented_programming.php