class IconImageNode(PXImage):
"""Just like PImage, except it semantically zooms
(i.e., at low scales, it does not paint its bitmap).
"""
TEMP_ELLIPSE = Ellipse2D.Float()
ENABLE_SEMANTIC_ZOOM = False
def __init__(self, image_or_string=None):
PXImage.__init__(self, image_or_string)
self.path = GeneralPath() # transient???
self.original_bounds = self.bounds
self.prev_scale = 0
def updatePath(self, scale):
origWidth = self.original_bounds.width
origHeight = self.original_bounds.height
width = origWidth * scale
height = origWidth * scale
offsetX = (origWidth - width) / 2.
offsetY = (origHeight - height) / 2.
self.path.reset()
self.TEMP_ELLIPSE.setFrame(offsetX, offsetY, width, height)
self.path.append(self.TEMP_ELLIPSE, False)
def paint(self, context):
s = context.scale
g2 = context.graphics
if self.ENABLE_SEMANTIC_ZOOM and s < uienvironment['SEMANTIC_ZOOM_LEVEL']:
if s != self.prev_scale:
delta = 1 - ((uienvironment['SEMANTIC_ZOOM_LEVEL'] - s)
/ uienvironment['SEMANTIC_ZOOM_LEVEL'])
self.updatePath(1. / delta)
g2.setPaint(NengoStyle.COLOR_FOREGROUND)
g2.fill(self.path)
# g2.fill(self.boundsReference)
else:
self.super__setPaint(context)
class TrimorphicUI(PolygonTileUI):
def __init__(self, t, wiggle=CubicCurve2D.Double(0, 0, 0.5, 0.5, 0.5, -0.5, 1, 0)):
self.preTransform = t
self.wiggle = wiggle
PolygonTileUI.__init__(self, Color(64, 183, 185), t)
self.initialiseGraphics()
def initialiseGraphics(self):
self.polygonalTilePath = GeneralPath()
self.polygonalTilePath.append(self.wiggle, 1)
t = AffineTransform.getTranslateInstance(1, 0)
t.rotate(math.pi / 2)
wiggle2 = GeneralPath(self.wiggle)
wiggle2.transform(t)
self.polygonalTilePath.append(wiggle2, 1)
t = AffineTransform.getTranslateInstance(1, 1)
t.rotate(3 * math.pi / 4)
t.scale(1 / math.sqrt(2), 1 / math.sqrt(2))
wiggle3 = GeneralPath(self.wiggle)
wiggle3.transform(t)
self.polygonalTilePath.append(wiggle3, 1)
t = AffineTransform.getTranslateInstance(0.5, 1.5)
t.rotate(5 * math.pi / 4)
t.scale(1 / math.sqrt(2), 1 / math.sqrt(2))
wiggle4 = GeneralPath(self.wiggle)
wiggle4.transform(t)
self.polygonalTilePath.append(wiggle4, 1)
t = AffineTransform.getTranslateInstance(0, 1)
t.rotate(3 * math.pi / 2)
wiggle5 = GeneralPath(self.wiggle)
wiggle5.transform(t)
self.polygonalTilePath.append(wiggle5, 1)
self.polygonalTilePath.closePath()
self.polygonalTilePath.transform(self.preTransform)
class SHornUI(PolygonTileUI):
def __init__(self, t, n):
self.preTransform = t
self.n = n
PolygonTileUI.__init__(self, Color(210, 83, 185), t)
self.initialiseGraphics()
def initialiseGraphics(self):
wiggle=CubicCurve2D.Double(0, 0, 0.3, -0.3, 0.7, 0.3, 1, 0)
reverseWiggle=CubicCurve2D.Double(1, 0, 0.7, 0.3, 0.3, -0.3, 0, 0)
self.polygonalTilePath = GeneralPath()
self.polygonalTilePath.append(wiggle, 1)
self.polygonalTilePath.lineTo(math.cos(math.pi / self.n), math.sin(math.pi / self.n))
t = AffineTransform.getRotateInstance(math.pi / self.n)
wiggle2 = GeneralPath(reverseWiggle)
wiggle2.transform(t)
self.polygonalTilePath.append(wiggle2, 1)
self.polygonalTilePath.closePath()
self.polygonalTilePath.transform(self.preTransform)
