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#------------------------------------------------------------------------------
# Copyright (c) 2011, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#------------------------------------------------------------------------------
from pyface.qt import QtCore, QtGui
from kiva.agg import CompiledPath, GraphicsContextSystem as GraphicsContext
from base_window import BaseWindow
from scrollbar import NativeScrollBar
class Window(BaseWindow):
def _create_gc(self, size, pix_format="bgra32"):
gc = GraphicsContext((size[0]+1, size[1]+1), pix_format=pix_format,
# We have to set bottom_up=0 or otherwise the PixelMap will
# appear upside down in the QImage.
bottom_up = 0)
gc.translate_ctm(0.5, 0.5)
return gc
def _window_paint(self, event):
if self.control is None:
return
# self._gc is an image context
w = self._gc.width()
h = self._gc.height()
data = self._gc.pixel_map.convert_to_argb32string()
image = QtGui.QImage(data, w, h, QtGui.QImage.Format_RGB32)
rect = QtCore.QRect(0,0,w,h)
painter = QtGui.QPainter(self.control)
painter.drawImage(rect, image)
def font_metrics_provider():
from kiva.fonttools import Font
gc = GraphicsContext((1, 1))
gc.set_font(Font())
return gc
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