本文整理汇总了Python中PySide.QtGui.QImage.height方法的典型用法代码示例。如果您正苦于以下问题:Python QImage.height方法的具体用法?Python QImage.height怎么用?Python QImage.height使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PySide.QtGui.QImage
的用法示例。
在下文中一共展示了QImage.height方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _create_metallic_roughness_map
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def _create_metallic_roughness_map(self, metal_map, rough_map):
metal = QImage(metal_map)
rough = QImage(rough_map)
metal_pixel = QColor()
metal = metal.convertToFormat(QImage.Format_RGB32);
rough = rough.convertToFormat(QImage.Format_RGB32);
metal_uchar_ptr = metal.bits()
rough_uchar_ptr = rough.bits()
if (not metal.width() == rough.width()
or not metal.height() == rough.height()):
raise RuntimeError("Error processing material: {}. Metallic map and roughness map must have same dimensions.".format(self.maya_node))
width = metal.width();
height = metal.height();
i = 0
for y in range(height):
for x in range(width):
metal_color = struct.unpack('I', metal_uchar_ptr[i:i+4])[0]
rough_color = struct.unpack('I', rough_uchar_ptr[i:i+4])[0]
metal_pixel.setRgb(0, qGreen(rough_color), qBlue(metal_color))
metal_uchar_ptr[i:i+4] = struct.pack('I', metal_pixel.rgb())
i+=4
output = ExportSettings.out_dir + "/"+self.name+"_metalRough.jpg"
return output, metal
示例2: sendLocation
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def sendLocation(self, jid, latitude, longitude, rotate):
latitude = latitude[:10]
longitude = longitude[:10]
self._d("Capturing preview...")
QPixmap.grabWindow(QApplication.desktop().winId()).save(WAConstants.CACHE_PATH+"/tempimg.png", "PNG")
img = QImage(WAConstants.CACHE_PATH+"/tempimg.png")
if rotate == "true":
rot = QTransform()
rot = rot.rotate(90)
img = img.transformed(rot)
if img.height() > img.width():
result = img.scaledToWidth(320,Qt.SmoothTransformation);
result = result.copy(result.width()/2-50,result.height()/2-50,100,100);
elif img.height() < img.width():
result = img.scaledToHeight(320,Qt.SmoothTransformation);
result = result.copy(result.width()/2-50,result.height()/2-50,100,100);
#result = img.scaled(96, 96, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation);
result.save( WAConstants.CACHE_PATH+"/tempimg2.jpg", "JPG" );
f = open(WAConstants.CACHE_PATH+"/tempimg2.jpg", 'r')
stream = base64.b64encode(f.read())
f.close()
os.remove(WAConstants.CACHE_PATH+"/tempimg.png")
os.remove(WAConstants.CACHE_PATH+"/tempimg2.jpg")
fmsg = WAXMPP.message_store.createMessage(jid);
mediaItem = WAXMPP.message_store.store.Media.create()
mediaItem.mediatype_id = WAConstants.MEDIA_TYPE_LOCATION
mediaItem.remote_url = None
mediaItem.preview = stream
mediaItem.local_path ="%s,%s"%(latitude,longitude)
mediaItem.transfer_status = 2
fmsg.content = QtCore.QCoreApplication.translate("WAEventHandler", "Location")
fmsg.Media = mediaItem
if fmsg.Conversation.type == "group":
contact = WAXMPP.message_store.store.Contact.getOrCreateContactByJid(self.conn.jid)
fmsg.setContact(contact);
fmsg.setData({"status":0,"content":fmsg.content,"type":1})
WAXMPP.message_store.pushMessage(jid,fmsg)
resultId = self.interfaceHandler.call("message_locationSend", (jid, latitude, longitude, stream))
k = Key(jid, True, resultId)
fmsg.key = k.toString()
fmsg.save()
示例3: RatingDelegate
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
class RatingDelegate(NoFocusDelegate):
"""
Star Rating Item Delegate
Model View Delegate which draws a rating score between zero and five as a
line of zero to five star glyphs. A custom star glyph can be passed to the
constructor, otherwise a resource named '/icons/star.png' is used.
See also RatingEditor.
"""
# TODO: Create RatingEditor and link here
def __init__(self, parent=None, star=None):
super(RatingDelegate, self).__init__(parent)
if star is None:
self._star = QImage(":/icons/star.png")
elif not isinstance(star, QImage):
raise TypeError("Star Image must be a descendant of QImage")
else:
self._star = star
def paint(self, p, option, index):
p.save()
self.drawBackground(p, option, index)
rating = index.data()
width = self._star.width()
y = (option.rect.height() - self._star.height()) / 2
p.translate(option.rect.left(), option.rect.top())
for i in range(0, 5):
if rating >= (i + 1):
p.drawImage(i * (width + 1), y, self._star)
p.restore()
def sizeHint(self, option, index):
return QSize((self._star.width() + 2) * 5, self._star.height() + 2)
def setStarImage(self, star):
"Set the Star Image"
if not isinstance(star, QImage):
raise TypeError("Star Image must be a descendant of QImage")
self._star = star
def starImage(self):
return self._star
示例4: sendMediaVideoFile
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def sendMediaVideoFile(self,jid,video,image):
self._d("creating VIDEO MMS for " +jid + " - file: " + video)
fmsg = WAXMPP.message_store.createMessage(jid);
if image == "NOPREVIEW":
m = hashlib.md5()
url = QtCore.QUrl(video).toEncoded()
m.update(url)
image = WAConstants.THUMBS_PATH + "/screen/" + m.hexdigest() + ".jpeg"
else:
image = image.replace("file://","")
user_img = QImage(image)
if user_img.height() > user_img.width():
preimg = QPixmap.fromImage(QImage(user_img.scaledToWidth(64, Qt.SmoothTransformation)))
elif user_img.height() < user_img.width():
preimg = QPixmap.fromImage(QImage(user_img.scaledToHeight(64, Qt.SmoothTransformation)))
else:
preimg = QPixmap.fromImage(QImage(user_img.scaled(64, 64, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)))
preimg.save(WAConstants.CACHE_PATH+"/temp2.png", "PNG")
f = open(WAConstants.CACHE_PATH+"/temp2.png", 'r')
stream = base64.b64encode(f.read())
f.close()
mediaItem = WAXMPP.message_store.store.Media.create()
mediaItem.mediatype_id = 4
mediaItem.local_path = video.replace("file://","")
mediaItem.transfer_status = 0
mediaItem.preview = stream
try:
mediaItem.size = os.path.getsize(mediaItem.local_path)
except:
pass
fmsg.content = QtCore.QCoreApplication.translate("WAEventHandler", "Video")
fmsg.Media = mediaItem
if fmsg.Conversation.type == "group":
contact = WAXMPP.message_store.store.Contact.getOrCreateContactByJid(self.conn.jid)
fmsg.setContact(contact);
fmsg.setData({"status":0,"content":fmsg.content,"type":1})
WAXMPP.message_store.pushMessage(jid,fmsg)
示例5: _getPictureForSending
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def _getPictureForSending(self, jid, filepath):
print "Preparing picture " + filepath + " for " + jid
image = filepath.replace("file://","")
rotation = 0
ret = {}
im = Image.open(image)
try:
info = im._getexif()
for tag, value in info.items():
decoded = TAGS.get(tag, value)
ret[decoded] = value
if ret['Orientation'] == 6:
rotation = 90
except:
rotation = 0
user_img = QImage(image)
if rotation == 90:
rot = QTransform()
rot = rot.rotate(90)
user_img = user_img.transformed(rot)
if user_img.height() > user_img.width():
preimg = user_img.scaledToWidth(480, Qt.SmoothTransformation)
preimg = preimg.copy( 0, preimg.height()/2-240, 480, 480);
elif user_img.height() < user_img.width():
preimg = user_img.scaledToHeight(480, Qt.SmoothTransformation)
preimg = preimg.copy( preimg.width()/2-240, 0, 480, 480);
else:
preimg = user_img.scaled(480, 480, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)
preimg.save(WAConstants.CACHE_PATH+"/temp.jpg", "JPG")
''''f = open(WAConstants.CACHE_PATH+"/temp.jpg", 'r')
stream = f.read()
stream = bytearray(stream)
f.close()
'''
return WAConstants.CACHE_PATH+"/temp.jpg"
示例6: init_gl
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def init_gl(self):
if self.is_initialized:
return
self.texture_id = glGenTextures(1)
glEnable(GL_TEXTURE_CUBE_MAP)
glBindTexture(GL_TEXTURE_CUBE_MAP, self.texture_id)
# Define all 6 faces
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE)
if True:
img = QImage()
img.load("skybox/miramar_lf.tif")
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL_RGBA8, img.width(), img.height(),
0, GL_RGBA, GL_UNSIGNED_BYTE, fname_to_tex("skybox/miramar_ft.tif"))
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, GL_RGBA8, img.width(), img.height(),
0, GL_RGBA, GL_UNSIGNED_BYTE, fname_to_tex("skybox/miramar_bk.tif"))
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, GL_RGBA8, img.width(), img.height(),
0, GL_RGBA, GL_UNSIGNED_BYTE, fname_to_tex("skybox/miramar_dn.tif"))
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, GL_RGBA8, img.width(), img.height(),
0, GL_RGBA, GL_UNSIGNED_BYTE, fname_to_tex("skybox/miramar_up.tif"))
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, GL_RGBA8, img.width(), img.height(),
0, GL_RGBA, GL_UNSIGNED_BYTE, fname_to_tex("skybox/miramar_rt.tif"))
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, GL_RGBA8, img.width(), img.height(),
0, GL_RGBA, GL_UNSIGNED_BYTE, fname_to_tex("skybox/miramar_lf.tif"))
else:
test_img = numpy.array(256 * [50,50,128,255], 'uint8')
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, GL_RGBA8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, test_img)
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, GL_RGBA8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, test_img)
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, GL_RGBA8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, test_img)
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, GL_RGBA8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, test_img)
glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, GL_RGBA8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, test_img)
glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, GL_RGBA8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, test_img)
glDisable(GL_TEXTURE_CUBE_MAP)
self.shader.init_gl()
self.is_initialized = True
示例7: __init__
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def __init__(self, directory, filename):
self.directory = directory
self.filename = filename
image = QImage(self.directory + QDir.separator() + self.filename)
Rect.__init__(self, Point(), Size(image.width(), image.height()))
cropped_image, x, y, width, height = self.__getCrop(image, False)
self.crop = Rect(Point(x, y), Size(width, height))
self.rotated = False
示例8: sendMediaImageFile
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def sendMediaImageFile(self,jid,image):
image = image.replace("file://","")
user_img = QImage(image)
if user_img.height() > user_img.width():
preimg = QPixmap.fromImage(QImage(user_img.scaledToWidth(64, Qt.SmoothTransformation)))
elif user_img.height() < user_img.width():
preimg = QPixmap.fromImage(QImage(user_img.scaledToHeight(64, Qt.SmoothTransformation)))
else:
preimg = QPixmap.fromImage(QImage(user_img.scaled(64, 64, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)))
preimg.save(WAConstants.CACHE_PATH+"/temp2.png", "PNG")
f = open(WAConstants.CACHE_PATH+"/temp2.png", 'r')
stream = base64.b64encode(f.read())
f.close()
self._d("creating PICTURE MMS for " +jid + " - file: " + image)
fmsg = WAXMPP.message_store.createMessage(jid);
mediaItem = WAXMPP.message_store.store.Media.create()
mediaItem.mediatype_id = 2
mediaItem.local_path = image
mediaItem.transfer_status = 0
mediaItem.preview = stream
try:
mediaItem.size = os.path.getsize(mediaItem.local_path)
except:
pass
fmsg.content = QtCore.QCoreApplication.translate("WAEventHandler", "Image")
fmsg.Media = mediaItem
if fmsg.Conversation.type == "group":
contact = WAXMPP.message_store.store.Contact.getOrCreateContactByJid(self.conn.jid)
fmsg.setContact(contact);
fmsg.setData({"status":0,"content":fmsg.content,"type":1})
WAXMPP.message_store.pushMessage(jid,fmsg)
示例9: end_adding
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def end_adding(self, gl):
self.texture.bind(gl)
'''
IMPORTANT IMPORTANT IMPORTANT IMPORTANT IMPORTANT IMPORTANT
The image has to be mirrored for some reason
'''
img = QImage(self.bitmap.toImage()).mirrored()
img = QGLWidget.convertToGLFormat(img)
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGB, img.width(), img.height(), 0, gl.GL_RGBA,
gl.GL_UNSIGNED_BYTE, str(img.bits()))
# This particular bitmap is no longer needed
self.bitmap = None
示例10: test_fire_png
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def test_fire_png(self):
fire = QImage("data/fire.png")
cropper = CropTransparent(fire.width(), fire.height(), 50, str(fire.constBits()))
self.assertEqual(cropper.getCroppedOffsetX(), 16)
self.assertEqual(cropper.getCroppedOffsetY(), 15)
self.assertEqual(cropper.getCroppedHeight(), 226)
self.assertEqual(cropper.getCroppedWidth(), 226)
crop_rect = cropper.getRect()
self.assertEqual(crop_rect.x, 16)
self.assertEqual(crop_rect.y, 15)
self.assertEqual(crop_rect.width, 226)
self.assertEqual(crop_rect.height, 226)
示例11: Texture
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
class Texture(Tool):
image = None
def initialize(self):
name = QtGui.QFileDialog.getOpenFileName(self.editor,
'Select texture file', filter = IMAGE_OPEN_FILTER)[0]
if not name:
return
self.image = QImage(name)
def draw(self, painter, old_x, old_y, x, y):
if self.image is None:
return
painter.drawImage(
x - self.image.width() / 2.0,
y - self.image.height() / 2.0,
self.image)
示例12: project
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def project(screen, size, tiles, rotate, tilecolor, backcolor = None):
backcolor = Qt.white if backcolor is None else backcolor
res = len(tiles)
template = QImage(size[0]/res, 2*size[1]/res, QImage.Format_RGB32)
screen.setBrush(backcolor)
screen.drawEllipse(0, 0, res * template.width()/2, res * template.height()/2)
screen.drawEllipse(res * template.width()/2, 0, res * template.width()/2, res * template.height()/2)
for y in range(res):
r = rotate
o = (r + 90) * len(tiles[y])/360
# draw each hemisphere from outside to center
sections = [[] for s in range(4)]
i = 0
while i < len(tiles[y]) and tiles[y][i].vector[0] < 0:
sections[0].append(i)
i += 1
while i < len(tiles[y]) and tiles[y][i].vector[0] > tiles[y][i-1].vector[0]:
sections[1].append(i)
i += 1
while i < len(tiles[y]) and tiles[y][i].vector[0] > 0:
sections[2].append(i)
i += 1
while i < len(tiles[y]):
sections[3].append(i)
i += 1
for x in sections[0] + list(reversed(sections[3])) + sections[2] + list(reversed(sections[1])):
block = template.copy()
xo = x + o
if xo > len(tiles[y])-1:
xo -= len(tiles[y])
elif xo < 0:
xo += len(tiles[y])
v = tiles[y][x].vector
sx, sy = [(v[i+1]+1)/2 for i in range(2)]
sx = 1 + (sx if v[0] > 0 else -sx)
block.fill(tilecolor(tiles[y][xo]).rgb())
screen.drawImage(sx*res*block.width()/2, sy*res*block.height()/2, block)
示例13: create_texture_from_resource
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def create_texture_from_resource(self, gl, resource_id):
'''
Unlike the original java source, convertToGLFormat is used
'''
text = self.create_texture_internal(gl)
img = QImage("assets/drawable/" + self.images[resource_id] + ".png")
img = QGLWidget.convertToGLFormat(img)
text.bind(gl)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR);
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR);
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE);
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE);
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGB, img.width(), img.height(), 0, gl.GL_RGBA,
gl.GL_UNSIGNED_BYTE, str(img.bits()))
return text
示例14: push
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
def push(self,image):
#image = urllib.quote(image)
image = image.replace("file://","")
self.sock = socket.socket();
HOST, PORT = 'mms.whatsapp.net', 443
self.sock.connect((HOST, PORT));
ssl_sock = ssl.wrap_socket(self.sock)
filename = os.path.basename(image)
filetype = mimetypes.guess_type(filename)[0]
filesize = os.path.getsize(image)
if self.resizeImages is True and "image" in filetype and not "image/gif" in filetype:
user_img = QImage(image)
preimg = user_img
if user_img.height() > user_img.width() and user_img.width() > 600:
preimg = user_img.scaledToWidth(600, Qt.SmoothTransformation)
elif user_img.height() < user_img.width() and user_img.height() > 800:
preimg = user_img.scaledToHeight(800, Qt.SmoothTransformation)
elif user_img.height() == user_img.width() and user_img.height() > 600:
preimg = user_img.scaled(600, 600, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)
preimg.save(WAConstants.CACHE_PATH+"/" + os.path.basename(image))
image = WAConstants.CACHE_PATH+"/" + os.path.basename(image)
filename = os.path.basename(image)
filetype = mimetypes.guess_type(filename)[0]
filesize = os.path.getsize(image)
print "Uploading " + image + " - type: " + filetype + " - resize:" + str(self.resizeImages);
m = hashlib.md5()
m.update(filename)
crypto = m.hexdigest() + os.path.splitext(filename)[1]
boundary = "-------" + m.hexdigest() #"zzXXzzYYzzXXzzQQ"
contentLength = 0
hBAOS = bytearray()
hBAOS += "--" + boundary + "\r\n"
hBAOS += "Content-Disposition: form-data; name=\"to\"\r\n\r\n"
hBAOS += self.jid + "\r\n"
hBAOS += "--" + boundary + "\r\n"
hBAOS += "Content-Disposition: form-data; name=\"from\"\r\n\r\n"
hBAOS += self.account.replace("@whatsapp.net","").encode() + "\r\n"
hBAOS += "--" + boundary + "\r\n"
hBAOS += "Content-Disposition: form-data; name=\"file\"; filename=\"" + crypto.encode() + "\"\r\n"
hBAOS += "Content-Type: " + filetype + "\r\n\r\n"
fBAOS = bytearray()
fBAOS += "\r\n--" + boundary + "--\r\n"
contentLength += len(hBAOS)
contentLength += len(fBAOS)
contentLength += filesize
userAgent = "WhatsApp/2.8.4 S60Version/5.2 Device/C7-00"
POST = bytearray()
POST += "POST https://mms.whatsapp.net/client/iphone/upload.php HTTP/1.1\r\n"
POST += "Content-Type: multipart/form-data; boundary=" + boundary + "\r\n"
POST += "Host: mms.whatsapp.net\r\n"
POST += "User-Agent: WhatsApp/2.8.14 S60Version/5.3 Device/C7-00\r\n"
POST += "Content-Length: " + str(contentLength) + "\r\n\r\n"
print "sending REQUEST "
print hBAOS
ssl_sock.write(str(POST))
ssl_sock.write(str(hBAOS))
totalsent = 0
buf = 1024
f = open(image, 'r')
stream = f.read()
f.close()
status = 0
lastEmit = 0
while totalsent < int(filesize):
#print "sending " + str(totalsent) + " to " + str(totalsent+buf) + " - real: " + str(len(stream[:buf]))
ssl_sock.write(str(stream[:buf]))
status = totalsent * 100 / filesize
if lastEmit!=status and status!=100 and filesize>12288:
self.progressUpdated.emit(status)
lastEmit = status
stream = stream[buf:]
totalsent = totalsent + buf
ssl_sock.write(str(fBAOS))
if self.resizeImages is True and "image" in filetype:
os.remove(WAConstants.CACHE_PATH+"/" + os.path.basename(image))
sleep(1)
print "Done!"
print "Reading response..."
data = ssl_sock.recv(8192)
data += ssl_sock.recv(8192)
#.........这里部分代码省略.........
示例15: CircuitItem
# 需要导入模块: from PySide.QtGui import QImage [as 别名]
# 或者: from PySide.QtGui.QImage import height [as 别名]
class CircuitItem(QGraphicsItem):
"""Graphical wrapper around the engine Circuit class."""
textH = 12
"""Height of text."""
ioH = 20
"""Height between to I/O pins."""
ioW = 15
"""Length of I/O pins."""
radius = 10
"""Radius of I/O pin heads."""
def __init__(self, circuit):
super(CircuitItem, self).__init__()
self.setFlag(QGraphicsItem.ItemIsMovable)
self.setFlag(QGraphicsItem.ItemIsSelectable)
self.setFlag(QGraphicsItem.ItemSendsGeometryChanges)
imgDir = filePath('icons/')
self.data = circuit
"""The real info. The class CircuitItem is just a graphical container
around it. data is saved / loaded to / from file.
"""
self.image = QImage(imgDir + circuit.__class__.__name__ + '.png')
"""The graphical representation of our item on screen."""
if not self.image:
self.image = QImage(imgDir + 'Default.png')
self.showCategory = True
self.showName = True
"""Is the item's name shown on screen?"""
self.showCategory = False
"""Is the item's category (circuit class) shown on screen?"""
self.name = QGraphicsSimpleTextItem(self)
# that won't rotate when the PlugItem is rotated by the user.
self.name.setFlag(QGraphicsItem.ItemIgnoresTransformations)
self.name.setText(self.data.name)
self.category = QGraphicsSimpleTextItem(self)
self.category.setFlag(QGraphicsItem.ItemIgnoresTransformations)
self.category.setText(self.data.category)
self.setupPaint()
def boundingRect(self):
"""Qt requires overloading this when overloading QGraphicsItem."""
W = 2 * self.radius + 2 * self.ioW + self.imgW
ni = self.data.nb_inputs()
no = self.data.nb_outputs()
t = (1 - int(max(ni, no) / 2)) * self.ioH - self.radius / 2
b = (1 + int(max(ni, no) / 2)) * self.ioH + self.radius / 2
return (
QRectF(-self.ioW - self.radius, t, W, b - t) if max(ni, no) > 1
else QRectF(-self.ioW - self.radius, 0, W, self.image.height()))
def handleAtPos(self, pos):
"""Is there an interactive handle where the mouse is? Return it."""
for i in range(self.nIn):
if self.inputPaths[i].contains(pos):
return self.data.inputList[i]
for i in range(self.nOut):
if self.outputPaths[i].contains(pos):
return self.data.outputList[i]
def itemChange(self, change, value):
"""Warning view it will soon have to correct pos."""
if change == QGraphicsItem.ItemPositionHasChanged:
# Restart till we stop moving.
self.scene().views()[0].timer.start()
return QGraphicsItem.itemChange(self, change, value)
def paint(self, painter, option, widget):
"""Draws the item."""
painter.setPen(QPen(QColor('black'), 2))
ni = self.data.nb_inputs()
no = self.data.nb_outputs()
for i in range(1 - int(ni / 2), 2 + int(ni / 2)):
if i != 1 or ni % 2:
painter.drawLine(-self.ioW, i * self.ioH, 0, i * self.ioH)
for i in range(1 - int(no / 2), 2 + int(no / 2)):
if i != 1 or no % 2:
painter.drawLine(
self.imgW, i * self.ioH, self.imgW + self.ioW,
i * self.ioH)
painter.drawImage(QRectF(0, 0, self.imgW, self.imgH), self.image)
for i in range(ni):
painter.drawPath(self.inputPaths[i])
painter.drawLine(
0, (1 - int(ni / 2)) * self.ioH, 0, (1 + int(ni / 2)) * self.ioH)
for i in range(no):
painter.drawPath(self.outputPaths[i])
painter.drawLine(
self.imgW,
(1 - int(no / 2)) * self.ioH,
self.imgW,
(1 + int(no / 2)) * self.ioH)
# Default selection box doesn't work; simple reimplementation.
if option.state & QStyle.State_Selected:
pen = QPen(Qt.black, 1, Qt.DashLine)
painter.setPen(pen)
painter.drawRect(self.boundingRect())
def setCategoryVisibility(self, isVisible):
"""Show/Hide circuit category (mostly useful for user circuits)."""
#.........这里部分代码省略.........