def set_clipboard_image(self):
"""Export the formatted output to an image and store it in the
clipboard.
The image stored in the clipboard is a PNG file with alpha
transparency.
"""
div = self.view.page().mainFrame().findFirstElement('.output')
images = {}
for background in (Qt.transparent, Qt.white):
image = QImage(div.geometry().size(),
QImage.Format_ARGB32_Premultiplied)
image.fill(background)
painter = QPainter(image)
div.render(painter)
painter.end()
images[background] = image
# Windows needs this buffer hack to get alpha transparency in
# the copied PNG.
buffer_ = QBuffer()
buffer_.open(QIODevice.WriteOnly)
images[Qt.transparent].save(buffer_, 'PNG')
buffer_.close()
data = QMimeData()
data.setData('PNG', buffer_.data())
data.setImageData(images[Qt.white])
QApplication.clipboard().setMimeData(data)
def svgImage(svgfile, file=None):
qs = QSvgWidget()
qs.load(svgfile)
qim = QPixmap.grabWidget(qs)
bts = QByteArray()
buffer = QBuffer(bts)
buffer.open(QIODevice.WriteOnly)
qim.save(buffer, "png")
bts = buffer.data().data()
buffer.close()
if type(file) == str:
assert os.path.splitext(file)[1].lower() == ".png"
with open(file, "bw") as f:
f.write(bts)
elif hasattr(file, 'write'):
file.write(bts)
else:
return bts
class Player(): def __init__(self, name, screenArea, keymapFunc, detector, scale=0.8, threshLum=50, SFchar=None): self.name = name self.keymapFunc = keymapFunc self.keys = None self.listKey = [] # list of keyboard keys reserved for this player # look up table to map snes key to keyboard key self.lut = dict([(sk, None) for sk in ['u', 'd', 'l', 'r', 'lk', 'mk', 'hk', 'lp', 'mp', 'hp']]) self.SFchar = SFchar self.threshLum = threshLum self.screenArea = screenArea self.detector = detector # morphological structuring element to clean the image self.kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(5,5)) self.scale = scale self.bgmodel = None self.idFrame = 0 self.buffer = QBuffer() self.buffer.open(QIODevice.ReadWrite) def grabImg(self): self.idFrame += 1 wid = QApplication.desktop().winId() QPixmap.grabWindow(wid, self.screenArea.x, self.screenArea.y, self.screenArea.w, self.screenArea.h).save(self.buffer, 'png') strio = StringIO.StringIO() strio.write(self.buffer.data()) self.buffer.seek(0) strio.seek(0) pix = np.array(Image.open(strio)) pix = cv2.resize(pix, (0,0), fx=self.scale, fy=self.scale) real_color = cv2.cvtColor(pix, cv2.COLOR_BGR2RGB) return real_color def process(self, real_color, draw = True): gray = cv2.cvtColor(real_color, cv2.COLOR_RGB2GRAY) if self.keys == None: self.keys = self.keymapFunc(gray.shape) for k in self.keys: if 'combo' in k.key: k.key = str(id(self))+'_combo' else : self.listKey.append(k.key) # build look up table for sk in self.lut: for kk in self.keys: if kk.snesKey == sk: self.lut[sk] = kk.key break if self.bgmodel is None: self.bgmodel = BGmodel(100, gray.shape) if self.idFrame%10==0 or not self.bgmodel.ready : #print self.idFrame, "adding image" self.bgmodel.add(gray) BG = self.bgmodel.getModel() FG = self.bgmodel.apply(gray) img = cv2.medianBlur(FG,5) ret, bin = cv2.threshold(img, self.threshLum, 255, cv2.THRESH_BINARY) fgmask = cv2.morphologyEx(FG, cv2.MORPH_OPEN, self.kernel) fgmask = cv2.morphologyEx(FG, cv2.MORPH_CLOSE, self.kernel) fgmask = cv2.morphologyEx(FG, cv2.MORPH_CLOSE, self.kernel) # blob detection only if we gathered enough images for the background model if self.bgmodel.ready or True: keypoints = self.detector.detect(FG) else: keypoints = [] if draw : # Draw detected blobs as red circles. real_color = cv2.drawKeypoints(real_color, keypoints, np.array([]), (0,0,255), 4) return [k.pt for k in keypoints], real_color, BG, FG, bin def getKeys(self, draw=True): keys = [] ori = self.grabImg() blobs, ori, BG, FG, bin = self.process(ori) for k in self.keys: x, y, w, h = k.area.x, k.area.y, k.area.w, k.area.h cv2.rectangle(ori, (y, x), (y+h,x+w), (0,255,0), 1) cv2.putText(ori, k.key, (y+10,x+20), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0,255,0),2) for p in blobs: if k.area.isIn(p[1], p[0]): keys.append(k.key) if ori is not None : cv2.rectangle(ori, (y, x), (y+h,x+w), (0,0,255), 2) break if draw : cv2.imshow(self.name+"_color input", ori) cv2.imshow(self.name+"_BG model", BG) #cv2.imshow(self.name+"_FG model", FG) #cv2.imshow(self.name+"_binary image", bin) return keys # release all keys associated to a player, before a combo def cancelKeys(self, kb, keys): for k in self.keys : if 'combo' not in k.key: kb.release_key(k.key) keys[k.key] = False def resetBG(self): self.bgmodel = None
class Player():
def __init__(self,
name,
screenArea,
keymapFunc,
detector,
scale=0.8,
threshLum=50,
SFchar=None):
self.name = name
self.keymapFunc = keymapFunc
self.keys = None
self.listKey = [] # list of keyboard keys reserved for this player
# look up table to map snes key to keyboard key
self.lut = dict([
(sk, None)
for sk in ['u', 'd', 'l', 'r', 'lk', 'mk', 'hk', 'lp', 'mp', 'hp']
])
self.SFchar = SFchar
self.threshLum = threshLum
self.screenArea = screenArea
self.detector = detector
# morphological structuring element to clean the image
self.kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5))
self.scale = scale
self.bgmodel = None
self.idFrame = 0
self.buffer = QBuffer()
self.buffer.open(QIODevice.ReadWrite)
def grabImg(self):
self.idFrame += 1
wid = QApplication.desktop().winId()
QPixmap.grabWindow(wid, self.screenArea.x, self.screenArea.y,
self.screenArea.w,
self.screenArea.h).save(self.buffer, 'png')
strio = StringIO.StringIO()
strio.write(self.buffer.data())
self.buffer.seek(0)
strio.seek(0)
pix = np.array(Image.open(strio))
pix = cv2.resize(pix, (0, 0), fx=self.scale, fy=self.scale)
real_color = cv2.cvtColor(pix, cv2.COLOR_BGR2RGB)
return real_color
def process(self, real_color, draw=True):
gray = cv2.cvtColor(real_color, cv2.COLOR_RGB2GRAY)
if self.keys == None:
self.keys = self.keymapFunc(gray.shape)
for k in self.keys:
if 'combo' in k.key:
k.key = str(id(self)) + '_combo'
else:
self.listKey.append(k.key)
# build look up table
for sk in self.lut:
for kk in self.keys:
if kk.snesKey == sk:
self.lut[sk] = kk.key
break
if self.bgmodel is None:
self.bgmodel = BGmodel(100, gray.shape)
if self.idFrame % 10 == 0 or not self.bgmodel.ready:
#print self.idFrame, "adding image"
self.bgmodel.add(gray)
BG = self.bgmodel.getModel()
FG = self.bgmodel.apply(gray)
img = cv2.medianBlur(FG, 5)
ret, bin = cv2.threshold(img, self.threshLum, 255, cv2.THRESH_BINARY)
fgmask = cv2.morphologyEx(FG, cv2.MORPH_OPEN, self.kernel)
fgmask = cv2.morphologyEx(FG, cv2.MORPH_CLOSE, self.kernel)
fgmask = cv2.morphologyEx(FG, cv2.MORPH_CLOSE, self.kernel)
# blob detection only if we gathered enough images for the background model
if self.bgmodel.ready or True:
keypoints = self.detector.detect(FG)
else:
keypoints = []
if draw:
# Draw detected blobs as red circles.
real_color = cv2.drawKeypoints(real_color, keypoints, np.array([]),
(0, 0, 255), 4)
return [k.pt for k in keypoints], real_color, BG, FG, bin
def getKeys(self, draw=True):
keys = []
ori = self.grabImg()
blobs, ori, BG, FG, bin = self.process(ori)
for k in self.keys:
x, y, w, h = k.area.x, k.area.y, k.area.w, k.area.h
cv2.rectangle(ori, (y, x), (y + h, x + w), (0, 255, 0), 1)
cv2.putText(ori, k.key, (y + 10, x + 20), cv2.FONT_HERSHEY_SIMPLEX,
0.5, (0, 255, 0), 2)
for p in blobs:
if k.area.isIn(p[1], p[0]):
keys.append(k.key)
if ori is not None:
cv2.rectangle(ori, (y, x), (y + h, x + w), (0, 0, 255),
2)
break
if draw:
cv2.imshow(self.name + "_color input", ori)
cv2.imshow(self.name + "_BG model", BG)
#cv2.imshow(self.name+"_FG model", FG)
#cv2.imshow(self.name+"_binary image", bin)
return keys
# release all keys associated to a player, before a combo
def cancelKeys(self, kb, keys):
for k in self.keys:
if 'combo' not in k.key:
kb.release_key(k.key)
keys[k.key] = False
def resetBG(self):
self.bgmodel = None