Trimage/trimage.py

129 lines
3.4 KiB
Python

import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from hurry.filesize import *
from ui import Ui_trimage
class StartQT4(QMainWindow):
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.ui = Ui_trimage()
self.ui.setupUi(self)
self.quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self); # todo use standardKey Quit.
# set recompress to false
self.ui.recompress.setEnabled(False)
self.imagelist = []
# connect signals with slots
QObject.connect(self.ui.addfiles, SIGNAL("clicked()"), self.file_dialog)
QObject.connect(self.ui.recompress, SIGNAL("clicked()"), self.recompress_files)
QObject.connect(self.quit_shortcut, SIGNAL("activated()"), qApp, SLOT('quit()'))
def file_dialog(self):
fd = QFileDialog(self)
images = fd.getOpenFileNames(self,
"Select one or more image files to compress",
"", # directory
"Image files (*.png *.gif *.jpg)")
for image in images:
self.compress_file(image)
def enable_recompress(self):
self.ui.recompress.setEnabled(True)
def recompress_files(self):
newimage = self.imagelist
self.imagelist = []
for image in self.imagelist:
self.compress_file(image[-1])
def compress_file(self, filename):
oldfile = QFileInfo(filename);
name = oldfile.fileName()
oldfilesize = oldfile.size()
if name.endsWith("jpg"):
print "run jpegoptim"
else:
print "run optipng"
newfile = oldfile # for now ;)
newfilesize = newfile.size()
newfilesizestr = size(newfilesize, system=alternative)
ratio = 100 - (newfilesize / oldfilesize * 100)
ratiostr = "%.1f%%" % ratio
self.imagelist.append((name, newfilesizestr, ratiostr, filename))
self.update_table()
def update_table(self):
tview = self.ui.processedfiles
# set table model
tmodel = tri_table_model(self,
self.imagelist,
[' Filename ', ' Size ', ' Compressed '])
tview.setModel(tmodel)
# set minimum size of table
vh = tview.verticalHeader()
vh.setVisible(False)
# set horizontal header properties
hh = tview.horizontalHeader()
hh.setStretchLastSection(True)
# set all row heights
nrows = len(self.imagelist)
for row in range(nrows):
tview.setRowHeight(row, 25)
tview.setColumnWidth(0,400)
self.enable_recompress()
class tri_table_model(QAbstractTableModel):
def __init__(self, parent, imagelist, header, *args):
"""
mydata is list of tuples
header is list of strings
tuple length has to match header length
"""
QAbstractTableModel.__init__(self, parent, *args)
self.imagelist = imagelist
self.header = header
def rowCount(self, parent):
return len(self.imagelist)
def columnCount(self, parent):
return len(self.header)
def data(self, index, role):
if not index.isValid():
return QVariant()
elif role != Qt.DisplayRole:
return QVariant()
return QVariant(self.imagelist[index.row()][index.column()])
def headerData(self, col, orientation, role):
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return QVariant(self.header[col])
return QVariant()
if __name__ == "__main__":
app = QApplication(sys.argv)
myapp = StartQT4()
myapp.show()
sys.exit(app.exec_())