fix: make transpose work for either ndim 2 or 3

at the same time, increase performance by using
makeQImage(copy=False, transpose=False)
This commit is contained in:
KIU Shueng Chuan 2021-02-20 18:42:13 +08:00
parent 3eda637652
commit 5a29373572

View File

@ -6,10 +6,10 @@ Distributed under MIT/X11 license. See license.txt for more infomation.
"""
from .. import getConfigOption, functions as fn, getCupy
from ..Qt import QtCore, QtGui
from ..Qt import QtCore, QtGui, QtWidgets
try:
from ..Qt import QtWidgets
QOpenGLWidget = QtWidgets.QOpenGLWidget
from OpenGL.GL import *
HAVE_OPENGL = True
@ -43,8 +43,8 @@ class RawImageWidget(QtGui.QWidget):
img must be ndarray of shape (x,y), (x,y,3), or (x,y,4).
Extra arguments are sent to functions.makeARGB
"""
if getConfigOption('imageAxisOrder') == 'row-major':
img = img.transpose((1, 0, 2))
if getConfigOption('imageAxisOrder') == 'col-major':
img = img.swapaxes(0, 1)
self.opts = (img, args, kargs)
self.image = None
self.update()
@ -56,7 +56,7 @@ class RawImageWidget(QtGui.QWidget):
argb, alpha = fn.makeARGB(self.opts[0], *self.opts[1], **self.opts[2])
if self._cp and self._cp.get_array_module(argb) == self._cp:
argb = argb.get() # transfer GPU data back to the CPU
self.image = fn.makeQImage(argb, alpha)
self.image = fn.makeQImage(argb, alpha, copy=False, transpose=False)
self.opts = ()
# if self.pixmap is None:
# self.pixmap = QtGui.QPixmap.fromImage(self.image)
@ -78,7 +78,7 @@ class RawImageWidget(QtGui.QWidget):
if HAVE_OPENGL:
class RawImageGLWidget(QtWidgets.QOpenGLWidget):
class RawImageGLWidget(QOpenGLWidget):
"""
Similar to RawImageWidget, but uses a GL widget to do all drawing.
Performance varies between platforms; see examples/VideoSpeedTest for benchmarking.
@ -87,7 +87,7 @@ if HAVE_OPENGL:
"""
def __init__(self, parent=None, scaled=False):
QtWidgets.QOpenGLWidget.__init__(self, parent)
QOpenGLWidget.__init__(self, parent)
self.scaled = scaled
self.image = None
self.uploaded = False