def __init__(self, color='red'):
pm = QtGui.QPixmap(16, 16)
mask = QtGui.QBitmap(16, 16)
black = QtCore.Qt.color1
white = QtCore.Qt.color0
clr = QtGui.QColor(color)
pm.fill(clr)
mask.fill(black)
p1 = QtGui.QPainter(mask)
p1.setPen(white)
p1.drawLine(0, 6, 5, 6)
p1.drawLine(0, 8, 5, 8)
p1.drawLine(10, 6, 15, 6)
p1.drawLine(10, 8, 15, 8)
p1.drawLine(6, 0, 6, 5)
p1.drawLine(8, 0, 8, 5)
p1.drawLine(6, 10, 6, 15)
p1.drawLine(8, 10, 8, 15)
p1.end()
pm.setAlphaChannel(mask)
self.cur = QtGui.QCursor(pm, 8, 8)
def __init__(self, color='red'):
self.png_data = "\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x10\x00\x00\x00\x10\x08\x04\x00\x00\x00\xb5\xfa7\xea\x00\x00\x00\tpHYs\x00\x00\x0b\x89\x00\x00\x0b\x89\x017\xc9\xcb\xad\x00\x00\x00RIDAT(\xcf\x85\xd0\xe1\x0e\x00\x10\x08\x85\xd1\xef\xfd_\xfa\xfa\x81tW\x96&\x9b\x0e\x1aD\x0e\x84\xeaN\x14\x90t\xeb\x06^a\xaf'\xcf`O#9#\xe5V*\x88~\xae\xf5\x11\xc0\xdfWa`'\xca-$\xf2\x05\x7f2\x00d_=\x80J\xec\xab;\xd2\x80>\x16x0t\x9a\xaf\x1e\xaab\x00\x00\x00\x00IEND\xaeB`\x82"
pm = QtGui.QPixmap(16, 16)
mask = QtGui.QBitmap(16, 16)
white = QtCore.Qt.color0
pm.loadFromData(self.png_data)
mask.fill(white)
pm.setAlphaChannel(mask)
self.cur = QtGui.QCursor(pm, 8, 8)
def configure(self, width, height):
self.logger.debug("window size reconfigured to %dx%d" %
(width, height))
if hasattr(self, 'scene'):
self.scene.setSceneRect(0, 0, width, height)
# If we need to build a new pixmap do it here. We allocate one
# twice as big as necessary to prevent having to reinstantiate it
# all the time. On Qt this causes unpleasant flashing in the display.
if (self.pixmap == None) or (self.pixmap.width() < width) or \
(self.pixmap.height() < height):
pixmap = QtGui.QPixmap(width * 2, height * 2)
#pixmap.fill(QColor("black"))
self.pixmap = pixmap
self.imgwin.set_pixmap(pixmap)
self.set_window_size(width, height, redraw=True)
def resizeEvent(self, event):
width, height = self.get_size()
#print "making pixmap of %dx%d" % (width, height)
pixmap = QtGui.QPixmap(width, height)
#pixmap.fill(QtGui.QColor("black"))
self.pixmap = pixmap
# calculate intervals for range numbers
nums = int(width // self._avg_pixels_per_range_num)
spacing = 256 // nums
self._interval = {}
for i in xrange(nums):
self._interval[i * spacing] = True
self.logger.debug("nums=%d spacing=%d intervals=%s" %
(nums, spacing, self._interval))
self.redraw()