python之打印机

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本文介绍Anti-Grain Geometry (AGG)，一个免费开源的图形库，用于高质量图形输出，并展示了如何使用PyQt5进行文档打印及PDF生成。包括设置打印页面大小、输出格式及文件路径等步骤。

AGG（Anti-Grain Geometry）Anti-Grain Geometry (AGG) is an Open Source, free of charge graphic library, written in industrially standard C++. The terms and conditions of use AGG are described on The License page. AGG doesn't depend on any graphic API or technology. Basically, you can think of AGG as of a rendering engine that produces pixel images in memory from some vectorial data. But of course, AGG can do much more than that. The ideas and the philosophy of AGG are:

Anti-Grain Geometry - About the Project http://www.antigrain.com/about/index.html

QPrinter Class | Qt Print Support 5.10 http://doc.qt.io/qt-5/qprinter.html

from PyQt5 import QtWidgets, QtPrintSupport 
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtWidgets import QMainWindow, QTableWidgetItem, QTabWidget, QFileDialog, QMessageBox
from PyQt5.QtGui import QTextDocument
from QtPrintSupport import  QPrinter

    @pyqtSlot()
    def on_pushButton_print_clicked(self):
        print("dsddsdsdsddssd")
        QPrinter(printer) 
        printer.setPageSize(0)
        printer.setOutputFormat(1)
        filepath = QFileDialog.getSaveFileName(this, tr("保存为..."), tr("D://成绩.pdf"), tr("PDF格式(*.pdf)"))
        printer.setOutputFileName(filepath)
        QTextDocument(textDocument)
        textDocument.setHtml(MakeDataToHtml())
        textDocument.print(printer)
        QMessageBox.about(this, tr("提示"), tr("保存成功"))

        print("dsddsdsdsddssd")
        printer=QPrinter() 
        printer.setPageSize(0)
        printer.setOutputFormat(1)
        filepath = QFileDialog.getSaveFileName(self, "保存为...", "D://成绩.pdf", "PDF格式(*.pdf)")
        print("ddddddddddddd", filepath)
        printer.setOutputFileName(str(filepath))
        textDocument=QTextDocument()
        textDocument.setHtml("dsdftrrrrrrergerr")
        textDocument.print(printer)
        QMessageBox.about(self, "提示", "保存成功")

from PyQt5 import QtWidgets, QtPrintSupport

Python调用打印机参考例子 - 宁静的天空 - 博客园 https://www.cnblogs.com/ribavnu/p/4790262.html

Qt实现保存、浏览、预览、打印功能 - 优快云博客 https://blog.youkuaiyun.com/zbw1185/article/details/52184961

使用QPrinter生成pdf或用打印机打印数据 - 恒月美剑 - 博客园 https://www.cnblogs.com/jck34/p/4107885.html

QT表格打印_百度文库 https://wenku.baidu.com/view/82e1e7b669dc5022aaea0024.html点击打开链接

QT 打印的简单实现（转）_北极孤星_新浪博客 http://blog.sina.com.cn/s/blog_63578f1401013ars.html

python3+PyQt5 实现文档打印功能 - 优快云博客 https://blog.youkuaiyun.com/xiaoyangyang20/article/details/68941555

(转)用AGG实现高质量图形输出（一） - 3D入魔 - 博客园 http://www.cnblogs.com/mazhenyu/p/3911690.html