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from PyQt4 import QtCore, QtGui
from colors import Colors
from demoitem import DemoItem
class ScanItem(DemoItem):
ITEM_WIDTH = 16
ITEM_HEIGHT = 16
def __init__(self, scene=None, parent=None):
super(ScanItem, self).__init__(scene, parent)
self.useSharedImage(__file__)
def createImage(self, matrix):
scaledRect = matrix.mapRect(QtCore.QRect(0, 0, ScanItem.ITEM_WIDTH, ScanItem.ITEM_HEIGHT))
image = QtGui.QImage(scaledRect.width(), scaledRect.height(),
QtGui.QImage.Format_ARGB32_Premultiplied)
image.fill(QtGui.QColor(0, 0, 0, 0).rgba())
painter = QtGui.QPainter(image)
painter.setRenderHint(QtGui.QPainter.Antialiasing)
if Colors.useEightBitPalette:
painter.setPen(QtGui.QPen(QQtGui.Color(100, 100, 100), 2))
painter.setBrush(QQtGui.Color(206, 246, 117))
painter.drawEllipse(1, 1, scaledRect.width() - 2,
scaledRect.height() - 2)
else:
painter.setPen(QtGui.QPen(QtGui.QColor(0, 0, 0, 15), 1))
painter.setBrush(QtGui.QColor(0, 0, 0, 15))
painter.drawEllipse(1, 1, scaledRect.width() - 2,
scaledRect.height() - 2)
return image
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