def testIt(self):
w = QGLWidget()
w.makeCurrent()
b = QGLBuffer()
b.setUsagePattern(QGLBuffer.DynamicDraw)
self.assertTrue(b.create())
self.assertTrue(b.bufferId() != 0)
self.assertTrue(b.bind())
data = QByteArray(py3k.b("12345"))
b.allocate(data)
self.assertEqual(b.size(), data.size())
m = b.map(QGLBuffer.ReadOnly)
if m:
self.assertEqual(m, py3k.buffer(py3k.b(data.data())))
b.unmap()
m = b.map(QGLBuffer.ReadWrite)
m[3] = py3k.b('A')[0]
b.unmap()
result, rdata = b.read(3, 1)
self.assertTrue(result)
self.assertEqual(py3k.b('A'), rdata.data())
else:
print(" memory mapping is not possible in this OpenGL implementation.")
b.release()
def testIt(self):
w = QGLWidget()
w.makeCurrent()
b = QGLBuffer()
b.setUsagePattern(QGLBuffer.DynamicDraw)
self.assertTrue(b.create())
self.assertTrue(b.bufferId() != 0)
self.assertTrue(b.bind())
data = QByteArray("12345")
b.allocate(data)
self.assertEqual(b.size(), data.size())
m = b.map(QGLBuffer.ReadOnly)
if m:
self.assertEqual(m, py3k.buffer(py3k.b(data.data())))
b.unmap()
m = b.map(QGLBuffer.ReadWrite)
m[3] = py3k.b('A')
b.unmap()
result, rdata = b.read(3, 1)
self.assertTrue(result)
self.assertEqual(py3k.b('A'), rdata.data())
else:
print(" memory mapping is not possible in this OpenGL implementation.")
b.release()
def testQImageStringBuffer(self):
'''Test if the QImage signatures receiving string buffers exist.'''
img0 = QImage(adjust_filename('sample.png', __file__))
# btw let's test the bits() method
img1 = QImage(img0.bits(), img0.width(), img0.height(), img0.format())
self.assertEqual(img0, img1)
img2 = QImage(img0.bits(), img0.width(), img0.height(), img0.bytesPerLine(), img0.format())
self.assertEqual(img0, img2)
## test scanLine method
data1 = img0.scanLine(0)
data2 = img1.scanLine(0)
self.assertEqual(data1, data2)
self.assertEqual(data1, py3k.buffer(img0.bits()[:img0.bytesPerLine()]))
self.assertEqual(data2, py3k.buffer(img0.bits()[:img0.bytesPerLine()]))
def testQImageStringBuffer(self):
'''Test if the QImage signatures receiving string buffers exist.'''
img0 = QImage(adjust_filename('sample.png', __file__))
# btw let's test the bits() method
img1 = QImage(img0.bits(), img0.width(), img0.height(), img0.format())
self.assertEqual(img0, img1)
img2 = QImage(img0.bits(), img0.width(), img0.height(), img0.bytesPerLine(), img0.format())
self.assertEqual(img0, img2)
## test scanLine method
data1 = img0.scanLine(0)
data2 = img1.scanLine(0)
self.assertEqual(data1, data2)
# PySide python 3.x does not support slice yet
if not py3k.IS_PY3K:
buff = py3k.buffer(img0.bits()[:img0.bytesPerLine()])
self.assertEqual(data1, buff)
self.assertEqual(data2, buff)
def testEmptyBuffer(self):
img = QImage(py3k.buffer(''), 100, 100, QImage.Format_ARGB32)
def testEmptyBuffer(self):
img = QImage(py3k.buffer(''), 100, 100, QImage.Format_ARGB32)
