def print_img_info(str):
print_Info = QPrinterInfo()
printer_name = print_Info.defaultPrinterName()
p = QPrinter()
for item in print_Info.availablePrinters():
if printer_name == item.printerName():
p = QPrinter(item)
print("匹配到打印机")
painter = QPainter(p)
qr_code.GeneateQRCode.gen_qr_code(str)
image_info = Image.open("mac.png")
image_logo = Image.open("logo.jpg")
x, y = image_info.size
print("resize_logo:", x, y)
image_logo = image_logo.resize((x, y), Image.ANTIALIAS)
pre_image = Image.new("RGBA", (2 * x, y))
pre_image.paste(image_info, (0, 0))
pre_image.paste(image_logo, (x, 0))
pre_image.save("result.png")
image = QImage()
image.load("result.png")
rect = painter.viewport()
size = image.size()
size.scale(rect.size(), Qt.KeepAspectRatio)
painter.setViewport(rect.x(), rect.y(), size.width(), size.height())
print(rect.x(), rect.y(), size.width(), size.height())
painter.setWindow(image.rect())
painter.drawImage(0, 0, image)
painter.end()
def list(self):
printer = []
printer_info = QPrinterInfo()
for item in printer_info.availablePrinters():
printer.append(item.printerName())
print("printer list:", printer)
return printer
def init_component_content(self):
# port
list_port = serial.tools.list_ports.comports()
for name in list_port:
self.csm3510_comboBox_port.addItem(name[0])
self.cc2640_comboBox_port.addItem(name[0])
self.currenter_comboBox_port.addItem(name[0])
# self.printer_name.addItem(name[0])
list_baudrate = [9600, 1200, 4800, 14400, 19200, 28800, 57600, 115200]
for bd in list_baudrate:
self.csm3510_comboBox_baudrate.addItem(str(bd))
self.cc2640_comboBox_baudrate.addItem(str(bd))
self.currenter_comboBox_baudrate.addItem(str(bd))
# self.printer_name.addItem(str(bd))
self.cc2640_comboBox_baudrate.setCurrentText(str(list_baudrate[7]))
list_dataBit = [8, 5, 6, 7]
for len in list_dataBit:
self.csm3510_comboBox_databits.addItem(str(len))
self.cc2640_comboBox_databits.addItem(str(len))
self.currenter_comboBox_databits.addItem(str(len))
printerInfo = QPrinterInfo()
self.set_green_text(self.printer_head_text)
self.printer_name.setText("当前默认打印机:" +
printerInfo.defaultPrinterName())
def getPrinterList(self):
printer = []
printerInfo = QPrinterInfo()
for item in printerInfo.availablePrinters():
printer.append(item.printerName())
logprint("--availablePrinterName --" + str(item.printerName()))
return str.join(",", printer)
def printing(printer, context):
print("当前打印机：" + str(printer))
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == str(item.printerName()):
p = QPrinter(item)
doc = QTextDocument()
doc.setDocumentMargin(0)
print('physicalDpiX:' + str(p.physicalDpiX()))
print('resolution:' + str(p.resolution()))
print('height:' + str(p.height()))
print('width:' + str(p.width()))
scale = p.physicalDpiX() / p.resolution()
print('scale:' + str(scale))
print('supportedResolutions:' + str(p.supportedResolutions()))
print('logicalDpiX:' + str(p.logicalDpiX()))
doc.setPageSize(
QSizeF(p.logicalDpiX() * (p.width() / 25.4 / scale),
p.logicalDpiY() * (p.height() / 25.4 / scale)))
doc.setHtml(context)
# new_p = QPrinter()
print("开始打印")
p.setOutputFormat(QPrinter.NativeFormat)
doc.print_(p)
def getPrinter(self):
printerInfo = QPrinterInfo()
for item in printerInfo.availablePrinters():
print(str(item.printerName()))
if str(self.p) == str(item.printerName()):
self.printer = QPrinter(item)
break
def getPrintList(self):
printer = []
printerInfo = QPrinterInfo()
print('availablePrinterNames', printerInfo.availablePrinterNames())
print('defaultPrinterName', printerInfo.defaultPrinterName())
for item in printerInfo.availablePrinters():
printer.append(item.printerName())
return printer
def printer_btn_setting_clicked(self):
pass
printerInfo = QPrinterInfo()
printer = printerInfo.defaultPrinter()
setup = QPrintDialog()
# /* 打印预览 */
setup.show()
#
try:
MyPrinter.print_img_info("mac: hello world")
except Exception as e:
print(str(e))
print("正在打印测试信息.")
# 更新默认打印机信息
self.set_green_text(self.printer_head_text)
printerInfo = QPrinterInfo()
self.printer_name.setText("当前默认打印机:" +
printerInfo.defaultPrinterName())
def getPrinter(p):
printer = []
printerInfo = QPrinterInfo()
print('availablePrinterNames', printerInfo.availablePrinterNames())
print('defaultPrinterName', printerInfo.defaultPrinterName())
for item in printerInfo.availablePrinters():
printer.append(item.printerName())
if p in printer:
print(p)
return p
else:
print(printerInfo.defaultPrinterName())
return printerInfo.defaultPrinterName()
def printing_22(printer, context):
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == item.printerName():
p = QPrinter(item)
doc = QTextDocument()
doc.setHtml(u'%s' % context)
doc.setPageSize(
QSizeF(p.logicalDpiX() * (80 / 25.4),
p.logicalDpiY() * (297 / 25.4)))
p.setOutputFormat(QPrinter.NativeFormat)
doc.print_(p)
def printOrder(request):
app = QApplication(sys.argv)
data_url=request.POST.get('data_url')
new_data_url=data_url.replace('data:image/png;base64,', '')
# print(new_data_url)
p = "DL-581PW" # 打印机名称
# Printer.printing(p, html)
# Printer.printerList()
printer = Printer()
printerInfo = QPrinterInfo()
printer.print_(new_data_url)
# printing_22(request,p, new_data_url)
# sys.exit(app.exec_())
return HttpResponse(json.dumps({'result':'ok'}))
def getPrinter(p):
printer = []
printerInfo = QPrinterInfo()
print('availablePrinterNames', printerInfo.availablePrinterNames())
print('defaultPrinterName', printerInfo.defaultPrinterName())
for item in printerInfo.availablePrinters():
printer.append(item.printerName())
log.write(Printer.getTime() + "--availablePrinterName --" + str(item.printerName()))
if p in printer:
print(p)
return p
else:
print(printerInfo.defaultPrinterName())
log.write(Printer.getTime() + "--defaultPrinterName --" + str(printerInfo.defaultPrinterName()))
return printerInfo.defaultPrinterName()
def __init__(self, p):
printer = []
printerInfo = QPrinterInfo()
print('availablePrinterNames', printerInfo.availablePrinterNames())
print('defaultPrinterName', printerInfo.defaultPrinterName())
if p is None or p == "":
self.p = QPrinterInfo.defaultPrinter()
self.print_device = QPrinter(self.p)
else:
for item in printerInfo.availablePrinters():
printer.append(item.printerName())
if p in printer:
self.p = QPrinter(p)
else:
self.p = QPrinterInfo.defaultPrinter()
self.print_device = QPrinter(self.p) # 指定打印所使用的装置
def printing(self, printer, context):
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == item.printerName():
p = QPrinter(item, QPrinter.PrinterResolution)
doc = QTextDocument()
doc.setPlainText(context)
#p.setPageSize(QPrinter.QPagedPaintDevice.A4)
#doc.setPageSize(QSizeF(p.logicalDpiX()*(80/25.4),
# p.logicalDpiY()*(297/25.4)))
#
#pagesize = QPrinter.QPagedPaintDevice.A4
#p.setPageSize(pagesize)
p.setOutputFormat(QPrinter.NativeFormat)
doc.print_(p)
'''
def printing(self, file):
print("printer get file:", file)
printer = self.gcl_printer
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == item.printerName():
p = QPrinter(item)
image = QImage()
image.load(file)
painter = QPainter()
# set the printer DPI as 300(POSTEK G-3106)
p.setResolution(300)
painter.begin(p)
painter.drawImage(0, 0, image)
painter.end()
def printing_22(printer, context):
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == str(item.printerName()):
p = QPrinter(item)
doc = QTextDocument()
font = doc.defaultFont()
font.setBold(True)
font.setPointSize(font.pointSize() + 1)
doc.setDefaultFont(font)
font.setPixelSize(5)
# doc.setPageSize(QSizeF(p.logicalDpiX() * (88 / 25.4),
# p.logicalDpiY() * (297 / 25.4)))
# x是间距，数字越小间距越大 y是纵长度 越大长度越小
doc.setPageSize(QSizeF(p.logicalDpiX() * (60 / 25.4), p.logicalDpiY() * (3500 / 25.4)))
p.setOutputFormat(QPrinter.NativeFormat)
doc.setHtml(u'%s' % context)
doc.print_(p)
def printing(printer, context, log):
print("selected_printer：" + str(printer))
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == str(item.printerName()):
p = QPrinter(item)
try:
doc = QTextDocument()
doc.setDocumentMargin(0)
log.write(Printer.getTime() + "--physicalDpiX --" + str(p.physicalDpiX()) + "\n")
print('physicalDpiX:' + str(p.physicalDpiX()))
print('resolution:' + str(p.resolution()))
log.write(Printer.getTime() + "--resolution --" + str(p.resolution()) + "\n")
print('height:' + str(p.height()))
log.write(Printer.getTime() + "--height --" + str(p.height()) + "\n")
print('width:' + str(p.width()))
log.write(Printer.getTime() + "--width --" + str(p.width()) + "\n")
scale = round(p.physicalDpiX() / p.resolution(), 4)
print('scale:' + str(scale))
log.write(Printer.getTime() + "--scale --" + str(scale) + "\n")
print('supportedResolutions:' + str(p.supportedResolutions()))
log.write(Printer.getTime() + "--supportedResolutions --" + str(p.supportedResolutions()) + "\n")
print('logicalDpiX:' + str(p.logicalDpiX()))
log.write(Printer.getTime() + "--logicalDpiX --" + str(p.logicalDpiX()) + "\n")
doc.setPageSize(
QSizeF(p.logicalDpiX() * (p.width() / 25.4 / scale),
p.logicalDpiY() * (p.height() / 25.4 / scale)))
doc.setHtml(context)
print("starting print")
p.setOutputFormat(QPrinter.NativeFormat)
doc.print_(p)
except Exception as ee:
print(ee)
log.write(Printer.getTime() + "***print - error****" + str(ee) + "\n")
log.close()
def printerList(self):
printer = []
printerInfo = QPrinterInfo()
for item in printerInfo.availablePrinters():
printer.append(item.printerName())
return printer
class Printer:
# 打印机列表
@staticmethod
def printerList():
printer = []
printerInfo = QPrinterInfo()
print('availablePrinterNames', printerInfo.availablePrinterNames())
print('defaultPrinterName', printerInfo.defaultPrinterName())
for item in printerInfo.availablePrinters():
printer.append(item.printerName())
return printer
# 打印任务
@staticmethod
def printing(printer, context):
p = QPrinter()
doc = QTextDocument()
htmlStr = context
print('aaaa', htmlStr)
doc.setHtml(htmlStr)
doc.setPageSize(QSizeF(p.logicalDpiX() * (80 / 25.4),
p.logicalDpiY() * (297 / 25.4)))
p.setOutputFormat(QPrinter.NativeFormat)
doc.print_(p)
@staticmethod
def printing_22(printer, context):
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == item.printerName():
p = QPrinter(item)
doc = QTextDocument()
doc.setHtml(u'%s' % context)
doc.setPageSize(QSizeF(p.logicalDpiX() * (80 / 25.4),
p.logicalDpiY() * (297 / 25.4)))
p.setOutputFormat(QPrinter.NativeFormat)
doc.print_(p)
if __name__ == '__main__':
import sys
from PyQt5.QtWidgets import QApplication
app = QApplication(sys.argv)
##########################################
html = '<html><head></head><body><h1>55555</h1><b>bold</b></body></html>'
p = "defaultPrinter" # 打印机名称
# Printer.printing(p, html)
# Printer.printerList()
Printer.printing_22(p, html)
#####################################################
sys.exit(app.exec_())
def printing_22(printer, context):
printerInfo = QPrinterInfo()
print(p.physicalDpiX())
print(p.physicalDpiY())
p.setOutputFormat(QPrinter.NativeFormat)
doc.print_(p)
@staticmethod
def print_imag(self):
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == item.printerName():
p = QPrinter(item)
# pImag =
if __name__ == '__main__':
import sys
from PyQt5.QtWidgets import QApplication
app = QApplication(sys.argv)
printerInfo = QPrinterInfo()
printer_jh = Printer()
printer_jh.printerList()
p = printerInfo.defaultPrinterName()
file = open("print.html", 'r')
html = file.read()
file.close()
printer_jh.printing(p, html)
print("printing ...... ")
sys.exit(app.exec_())
input()
def print_imag(self):
printerInfo = QPrinterInfo()
p = QPrinter()
for item in printerInfo.availablePrinters():
if printer == item.printerName():
p = QPrinter(item)