forked from alcroito/infographics
/
grabber.py
171 lines (130 loc) · 6.06 KB
/
grabber.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
from PyQt4 import QtCore, QtGui, QtNetwork, QtWebKit, QtOpenGL
from PIL import ImageGrab
from cv2 import cv
import time
class GrabberWindow(QtGui.QMainWindow):
def __init__(self, url, total_time):
QtGui.QMainWindow.__init__(self)
self.progress = 0
self.url = url
self.total_time = total_time
QtNetwork.QNetworkProxyFactory.setUseSystemConfiguration(True)
self.setGeometry(QtCore.QRect(200, 30, 1024, 700))
# Graphics view
self.view = QtGui.QGraphicsView()
self.view.setViewportUpdateMode(QtGui.QGraphicsView.MinimalViewportUpdate)
self.view.setOptimizationFlags(QtGui.QGraphicsView.DontSavePainterState)
self.view.setFrameShape(QtGui.QFrame.NoFrame)
self.view.setSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed)
self.view.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.view.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.view.resize(800, 700)
self.scene_width = 1024
self.scene_height = 700
self.view.setSceneRect(QtCore.QRectF(0, 0, self.scene_width, self.scene_height))
self.view.setRenderHints(QtGui.QPainter.Antialiasing | QtGui.QPainter.SmoothPixmapTransform)
# Graphics scene
self.scene = QtGui.QGraphicsScene()
self.view.setScene(self.scene)
# Graphics web view
self.fast_view = QtWebKit.QGraphicsWebView()
#self.fast_view.page().setViewportSize(QtCore.QSize(600, 600))
self.fast_view.resize(1024, 768)
self.settings = self.fast_view.settings()
self.settings.setAttribute(QtWebKit.QWebSettings.AcceleratedCompositingEnabled, True)
#self.settings.setAttribute(QtWebKit.QWebSettings.WebGLEnabled, True)
#self.settings.setAttribute(QtWebKit.QWebSettings.PluginsEnabled, True)
# GL widget for QGraphicsView
self.qglwidget = QtOpenGL.QGLWidget()
self.view.setViewport(self.qglwidget)
self.scene.addItem(self.fast_view)
self.setCentralWidget(self.view)
self.fast_view.loadFinished.connect(self.finishLoading)
self.openInfographic()
def finishLoading(self):
self.secondtimer = QtCore.QTimer()
self.secondtimer.setInterval(500)
self.secondtimer.timeout.connect(self.initGrabQt)
self.secondtimer.setSingleShot(True)
self.secondtimer.start()
def sendKey(self):
event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, QtCore.Qt.Key_Right, QtCore.Qt.NoModifier)
QtCore.QCoreApplication.postEvent(self, event)
print "sent"
def openInfographic(self):
new_url = self.url
self.fast_view.load(new_url)
self.fast_view.setFocus()
self.fast_view.show()
geom = self.view.geometry()
position_start = self.mapToGlobal(QtCore.QPoint(0, 0))
position_end = position_start + QtCore.QPoint(self.scene_width, self.scene_height - 30)
self.geometry = (position_start.x(), position_start.y(), position_end.x(), position_end.y())
print self.geometry
def initGrabQt(self):
image_qt = QtGui.QPixmap.grabWidget(self.view).toImage()
image_qt_size = (image_qt.size().width(), image_qt.size().height())
cv_im_4chan = cv.CreateImageHeader(image_qt_size, cv.IPL_DEPTH_8U, 4)
cv_im = cv.CreateImage(image_qt_size, cv.IPL_DEPTH_8U, 3)
cv.SetData(cv_im_4chan, image_qt.bits().asstring(image_qt.numBytes()))
cv.CvtColor(cv_im_4chan, cv_im, cv.CV_RGBA2RGB)
fourcc = cv.CV_FOURCC('D','I','V','X')
fps = 25
width, height = cv.GetSize(cv_im)
self.writer = cv.CreateVideoWriter('out3.avi', fourcc, fps, (int(width), int(height)), 1)
cv.WriteFrame(self.writer, cv_im)
timer = QtCore.QTimer()
time_interval = 1000 / 25
timer.setInterval(time_interval)
timer.timeout.connect(self.grabFrameQt)
timer.start()
self.timer = timer
self.stopTimer = QtCore.QTimer()
self.stopTimer.setInterval(self.total_time)
self.stopTimer.timeout.connect(self.stopCapture)
self.stopTimer.setSingleShot(True)
self.stopTimer.start()
def grabFrameQt(self):
image_qt = QtGui.QPixmap.grabWidget(self.view).toImage()
image_qt_size = (image_qt.size().width(), image_qt.size().height())
cv_im_4chan = cv.CreateImageHeader(image_qt_size, cv.IPL_DEPTH_8U, 4)
cv_im = cv.CreateImage(image_qt_size, cv.IPL_DEPTH_8U, 3)
cv.SetData(cv_im_4chan, image_qt.bits().asstring(image_qt.numBytes()))
cv.CvtColor(cv_im_4chan, cv_im, cv.CV_RGBA2RGB)
cv.WriteFrame(self.writer, cv_im)
def initGrab(self):
image = ImageGrab.grab(self.geometry)
cv_im = cv.CreateImageHeader(image.size, cv.IPL_DEPTH_8U, 3)
cv.SetData(cv_im, image.tostring())
cv.CvtColor(cv_im, cv_im, cv.CV_RGB2BGR)
fourcc = cv.CV_FOURCC('D','I','V','X')
fps = 25
width, height = cv.GetSize(cv_im)
#print width, height
self.writer = cv.CreateVideoWriter('out3.avi', fourcc, fps, (int(width), int(height)), 1)
cv.WriteFrame(self.writer, cv_im)
self.frames_count = 1
timer = QtCore.QTimer()
time_interval = 1000 / 25
timer.setInterval(time_interval)
timer.timeout.connect(self.grabFrame)
timer.start()
self.timer = timer
self.stopTimer = QtCore.QTimer()
self.stopTimer.setInterval(self.total_time)
self.stopTimer.timeout.connect(self.stopCapture)
self.stopTimer.setSingleShot(True)
self.stopTimer.start()
def printNumberOfFrames(self):
print "Number of frames", self.frames_count
self.frames_count = 0
def stopCapture(self):
self.timer.stop()
self.writer = None
def grabFrame(self):
image = ImageGrab.grab(self.geometry)
cv_im = cv.CreateImageHeader(image.size, cv.IPL_DEPTH_8U, 3)
cv.SetData(cv_im, image.tostring())
cv.WriteFrame(self.writer, cv_im)
self.frames_count += 1
print self.frames_count