本文整理汇总了Python中PyQt5.QtGui.QImage.Format_RGB32方法的典型用法代码示例。如果您正苦于以下问题:Python QImage.Format_RGB32方法的具体用法?Python QImage.Format_RGB32怎么用?Python QImage.Format_RGB32使用的例子?那么, 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PyQt5.QtGui.QImage
的用法示例。
在下文中一共展示了QImage.Format_RGB32方法的9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: expandAndFormat
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def expandAndFormat(img, margin=0, is_jpg=False):
"""
Draws the image with transparent background if `is_jpg == False`, otherwise with a white background.
It's done in a single function, to avoid creating extra images
"""
if not margin and not is_jpg:
return img
corner = QSize(margin, margin)
white = QColor(255, 255, 255) if is_jpg else QColor(255, 255, 255, 0)
canvas = QImage(
img.size() + corner * 2, QImage.Format_RGB32 if is_jpg else QImage.Format_ARGB32
)
canvas.fill(white)
p = QPainter(canvas)
p.drawImage(margin, margin, img)
return canvas
示例2: _toqclass_helper
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def _toqclass_helper(im):
data = None
colortable = None
# handle filename, if given instead of image name
if hasattr(im, "toUtf8"):
# FIXME - is this really the best way to do this?
im = str(im.toUtf8(), "utf-8")
if isPath(im):
im = Image.open(im)
if im.mode == "1":
format = QImage.Format_Mono
elif im.mode == "L":
format = QImage.Format_Indexed8
colortable = []
for i in range(256):
colortable.append(rgb(i, i, i))
elif im.mode == "P":
format = QImage.Format_Indexed8
colortable = []
palette = im.getpalette()
for i in range(0, len(palette), 3):
colortable.append(rgb(*palette[i : i + 3]))
elif im.mode == "RGB":
data = im.tobytes("raw", "BGRX")
format = QImage.Format_RGB32
elif im.mode == "RGBA":
try:
data = im.tobytes("raw", "BGRA")
except SystemError:
# workaround for earlier versions
r, g, b, a = im.split()
im = Image.merge("RGBA", (b, g, r, a))
format = QImage.Format_ARGB32
else:
raise ValueError("unsupported image mode %r" % im.mode)
__data = data or align8to32(im.tobytes(), im.size[0], im.mode)
return {"data": __data, "im": im, "format": format, "colortable": colortable}
示例3: qimg2nparr
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def qimg2nparr(qimg):
''' convert rgb qimg -> cv2 bgr image '''
#NOTE: it would be changed or extended to input image shape
# Now it just used for canvas stroke.. but in the future... I don't know :(
#qimg = qimg.convertToFormat(QImage.Format_RGB32)
#qimg = qimg.convertToFormat(QImage.Format_RGB888)
h,w = qimg.height(), qimg.width()
ptr = qimg.constBits()
ptr.setsize(h * w * 4)
print(h,w,ptr)
return np.frombuffer(ptr, np.uint8).reshape(h, w, 4) # Copies the data
#return np.array(ptr).reshape(h, w, 3) # Copies the data
示例4: setup2
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def setup2(self):
dw = self.dw
dh = self.dh
self.acquire_essential()
if dw != self.dw or dh != self.dh:
self.image = QImage(self.dw,self.dh,QImage.Format_RGB32)
p = QPainter(self.image)
p.fillRect(0, 0, self.width(), self.height(),QtGui.QColor(0,0,0))
示例5: createEditor
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def createEditor(self, parent: QWidget, option: QStyleOptionViewItem, index: QModelIndex):
editor = QComboBox(parent)
if sys.platform == "win32":
# Ensure text entries are visible with windows combo boxes
editor.setMinimumHeight(self.sizeHint(option, index).height() + 10)
editor.addItems(self.items)
if self.is_editable:
editor.setEditable(True)
editor.setInsertPolicy(QComboBox.NoInsert)
if self.current_edit_text:
editor.setEditText(self.current_edit_text)
if self.colors:
img = QImage(16, 16, QImage.Format_RGB32)
painter = QPainter(img)
painter.fillRect(img.rect(), Qt.black)
rect = img.rect().adjusted(1, 1, -1, -1)
for i, item in enumerate(self.items):
color = self.colors[i]
painter.fillRect(rect, QColor(color.red(), color.green(), color.blue(), 255))
editor.setItemData(i, QPixmap.fromImage(img), Qt.DecorationRole)
del painter
editor.currentIndexChanged.connect(self.currentIndexChanged)
editor.editTextChanged.connect(self.on_edit_text_changed)
return editor
示例6: _toqclass_helper
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def _toqclass_helper(im):
data = None
colortable = None
# handle filename, if given instead of image name
if hasattr(im, "toUtf8"):
# FIXME - is this really the best way to do this?
if py3:
im = str(im.toUtf8(), "utf-8")
else:
im = unicode(im.toUtf8(), "utf-8")
if isPath(im):
im = Image.open(im)
if im.mode == "1":
format = QImage.Format_Mono
elif im.mode == "L":
format = QImage.Format_Indexed8
colortable = []
for i in range(256):
colortable.append(rgb(i, i, i))
elif im.mode == "P":
format = QImage.Format_Indexed8
colortable = []
palette = im.getpalette()
for i in range(0, len(palette), 3):
colortable.append(rgb(*palette[i:i+3]))
elif im.mode == "RGB":
data = im.tobytes("raw", "BGRX")
format = QImage.Format_RGB32
elif im.mode == "RGBA":
try:
data = im.tobytes("raw", "BGRA")
except SystemError:
# workaround for earlier versions
r, g, b, a = im.split()
im = Image.merge("RGBA", (b, g, r, a))
format = QImage.Format_ARGB32
else:
raise ValueError("unsupported image mode %r" % im.mode)
__data = data or align8to32(im.tobytes(), im.size[0], im.mode)
return {
'data': __data, 'im': im, 'format': format, 'colortable': colortable
}
示例7: _toqclass_helper
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def _toqclass_helper(im):
data = None
colortable = None
# handle filename, if given instead of image name
if hasattr(im, "toUtf8"):
# FIXME - is this really the best way to do this?
if py3:
im = str(im.toUtf8(), "utf-8")
else:
im = unicode(im.toUtf8(), "utf-8") # noqa: F821
if isPath(im):
im = Image.open(im)
if im.mode == "1":
format = QImage.Format_Mono
elif im.mode == "L":
format = QImage.Format_Indexed8
colortable = []
for i in range(256):
colortable.append(rgb(i, i, i))
elif im.mode == "P":
format = QImage.Format_Indexed8
colortable = []
palette = im.getpalette()
for i in range(0, len(palette), 3):
colortable.append(rgb(*palette[i:i+3]))
elif im.mode == "RGB":
data = im.tobytes("raw", "BGRX")
format = QImage.Format_RGB32
elif im.mode == "RGBA":
try:
data = im.tobytes("raw", "BGRA")
except SystemError:
# workaround for earlier versions
r, g, b, a = im.split()
im = Image.merge("RGBA", (b, g, r, a))
format = QImage.Format_ARGB32
else:
raise ValueError("unsupported image mode %r" % im.mode)
__data = data or align8to32(im.tobytes(), im.size[0], im.mode)
return {
'data': __data, 'im': im, 'format': format, 'colortable': colortable
}
示例8: drawThreshMask
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def drawThreshMask(self, worm_img, worm_qimg, row_data, read_center=True):
#in very old versions of the tracker I didn't save the area in trajectories table,
#let's assign a default value to deal with this cases
if 'area' in row_data:
min_blob_area = row_data['area'] / 2
else:
min_blob_area = 10
c1, c2 = (row_data['coord_x'], row_data[
'coord_y']) if read_center else (-1, -1)
worm_mask, worm_cnt, _ = getWormMask(worm_img, row_data['threshold'], strel_size=self.strel_size,
roi_center_x=c1, roi_center_y=c2, min_blob_area=min_blob_area,
is_light_background = self.is_light_background)
worm_mask = QImage(
worm_mask.data,
worm_mask.shape[1],
worm_mask.shape[0],
worm_mask.strides[0],
QImage.Format_Indexed8)
worm_mask = worm_mask.convertToFormat(
QImage.Format_RGB32, Qt.AutoColor)
worm_mask = QPixmap.fromImage(worm_mask)
worm_mask = worm_mask.createMaskFromColor(Qt.black)
p = QPainter(worm_qimg)
p.setPen(QColor(0, 204, 102))
p.drawPixmap(worm_qimg.rect(), worm_mask, worm_mask.rect())
if False:
#test skeletonization
skeleton, ske_len, cnt_side1, cnt_side2, cnt_widths, cnt_area = \
getSkeleton(worm_cnt, np.zeros(0), 49)
for cnt in skeleton, cnt_side1, cnt_side2:
p.setPen(Qt.black)
polyline = QPolygonF()
for point in cnt:
polyline.append(QPointF(*point))
p.drawPolyline(polyline)
p.end()
示例9: _toqclass_helper
# 需要导入模块: from PyQt5.QtGui import QImage [as 别名]
# 或者: from PyQt5.QtGui.QImage import Format_RGB32 [as 别名]
def _toqclass_helper(im):
data = None
colortable = None
# handle filename, if given instead of image name
if hasattr(im, "toUtf8"):
# FIXME - is this really the best way to do this?
if str is bytes:
im = unicode(im.toUtf8(), "utf-8")
else:
im = str(im.toUtf8(), "utf-8")
if isPath(im):
im = Image.open(im)
if im.mode == "1":
format = QImage.Format_Mono
elif im.mode == "L":
format = QImage.Format_Indexed8
colortable = []
for i in range(256):
colortable.append(rgb(i, i, i))
elif im.mode == "P":
format = QImage.Format_Indexed8
colortable = []
palette = im.getpalette()
for i in range(0, len(palette), 3):
colortable.append(rgb(*palette[i:i+3]))
elif im.mode == "RGB":
data = im.tobytes("raw", "BGRX")
format = QImage.Format_RGB32
elif im.mode == "RGBA":
try:
data = im.tobytes("raw", "BGRA")
except SystemError:
# workaround for earlier versions
r, g, b, a = im.split()
im = Image.merge("RGBA", (b, g, r, a))
format = QImage.Format_ARGB32
else:
raise ValueError("unsupported image mode %r" % im.mode)
__data = data or align8to32(im.tobytes(), im.size[0], im.mode)
return {
'data': __data, 'im': im, 'format': format, 'colortable': colortable
}