def draw(self, painter, scale):
painter.save()
painter.setPen(QPen(QBrush(QColor(232, 109, 21) if self.state is self.add_point else
QColor(21, 144, 232)),
self.lineWidth(scale),
Qt.SolidLine))
painter.drawPolygon(QPolygon(self.polygon))
for i, poly in enumerate(self.convex_polygons):
if poly:
painter.setPen(QPen(QBrush(Figure.COLORS[i % len(Figure.COLORS)]),
self.lineWidth(scale),
Qt.SolidLine))
color = Figure.COLORS[i % len(Figure.COLORS)]
color.setAlpha(150)
painter.setBrush(QBrush(QColor(color)))
painter.drawPolygon(QPolygon(poly))
for point in self.polygon:
self.drawControlPoint(painter, point,
QColor(31, 174, 222) if point is self.polygon[0] else
QColor(222, 79, 31) if point is self.polygon[-1] else
QColor(78, 222, 31), scale)
Figure.draw(self, painter, scale)
painter.restore()
def update_spiral(self):
# create a polygon providing the corner points of the spiral
polygon = QPolygon()
for i in xrange(self.window().width()):
x = int(math.cos(i * 0.16) * i)
y = int(math.sin(i * 0.16) * i)
polygon.append(QPoint(x, y))
return polygon
def QtRectToPoly(rect): x1,y1,x2,y2 = rect.getCoords() poly = QPolygon() poly.push_back(QPoint(x1,y1)) poly.push_back(QPoint(x2,y1)) poly.push_back(QPoint(x2,y2)) poly.push_back(QPoint(x1,y2)) return poly
def paintEvent(self, pe):
if self.left_view and self.right_view and self.right_view.model():
vr = self.left_view.visualRect(self.left_view.currentIndex())
self.left_top = self.mapFromGlobal(
self.left_view.viewport().mapToGlobal(vr.topRight())).y()
self.left_bottom = self.mapFromGlobal(
self.left_view.viewport().mapToGlobal(vr.bottomRight())).y()
vr_top = self.right_view.visualRect(self.right_view.model().index(
0, 0))
vr = self.right_view.visualRect(self.right_view.model().index(
self.right_view.model().rowCount() - 1, 0))
self.right_top = self.mapFromGlobal(
self.left_view.viewport().mapToGlobal(vr_top.topLeft())).y()
self.right_bottom = self.mapFromGlobal(
self.left_view.viewport().mapToGlobal(vr.bottomLeft())).y()
w = self.minimumWidth() - 1
p = QPainter(self)
p.setBrush(QBrush(QColor(210, 255, 210)))
pen = QPen()
pen.setColor(Qt.transparent)
p.setPen(pen)
poly = QPolygon()
poly.append(QPoint(0, self.left_top))
poly.append(QPoint(w, self.right_top))
poly.append(QPoint(w, self.right_bottom))
poly.append(QPoint(0, self.left_bottom))
p.drawConvexPolygon(poly)
p.setRenderHint(QPainter.Antialiasing)
pen.setColor(Qt.GlobalColor.black)
pen.setWidth(2)
p.setPen(pen)
p.drawLine(0, self.left_top, w, self.right_top)
p.drawLine(0, self.left_bottom, w, self.right_bottom)
def QtRectToPoly(rect):
x1, y1, x2, y2 = rect.getCoords()
poly = QPolygon()
poly.push_back(QPoint(x1, y1))
poly.push_back(QPoint(x2, y1))
poly.push_back(QPoint(x2, y2))
poly.push_back(QPoint(x1, y2))
return poly
def setUp(self):
self.original = QPolygon([QPoint(1, 2), QPoint(3, 4), QPoint(5, 6)])
def drawArrow(element, painter, option):
# From windows style but modified to enable AA
if option.rect.width() <= 1 or option.rect.height() <= 1:
return
r = option.rect
size = min(r.height(), r.width())
pixmap = QPixmap()
pixmapName = "arrow-{0}-{1}-{2}-{3}-{4}".format(
"$qt_ia", int(option.state), element, size, option.palette.cacheKey()
)
if not QPixmapCache.find(pixmapName, pixmap):
border = size / 5
sqsize = 2 * (size / 2)
image = QImage(sqsize, sqsize, QImage.Format_ARGB32)
image.fill(Qt.transparent)
imagePainter = QPainter(image)
imagePainter.setRenderHint(QPainter.Antialiasing, True)
imagePainter.translate(0.5, 0.5)
a = QPolygon()
if element == QStyle.PE_IndicatorArrowUp:
a.setPoints(3, border, sqsize / 2, sqsize / 2, border, sqsize - border, sqsize / 2)
elif element == QStyle.PE_IndicatorArrowDown:
a.setPoints(3, border, sqsize / 2, sqsize / 2, sqsize - border, sqsize - border, sqsize / 2)
elif element == QStyle.PE_IndicatorArrowRight:
a.setPoints(3, sqsize - border, sqsize / 2, sqsize / 2, border, sqsize / 2, sqsize - border)
elif element == QStyle.PE_IndicatorArrowLeft:
a.setPoints(3, border, sqsize / 2, sqsize / 2, border, sqsize / 2, sqsize - border)
else:
pass
bsx = 0
bsy = 0
if option.state & QStyle.State_Sunken:
bsx = qApp.style().pixelMetric(QStyle.PM_ButtonShiftHorizontal)
bsy = qApp.style().pixelMetric(QStyle.PM_ButtonShiftVertical)
bounds = a.boundingRect()
sx = sqsize / 2 - bounds.center().x() - 1
sy = sqsize / 2 - bounds.center().y() - 1
imagePainter.translate(sx + bsx, sy + bsy)
if not (option.state & QStyle.State_Enabled):
imagePainter.setBrush(option.palette.mid().color())
imagePainter.setPen(option.palette.mid().color())
else:
shadow = QColor(0, 0, 0, 100)
imagePainter.translate(0, 1)
imagePainter.setPen(shadow)
imagePainter.setBrush(shadow)
foreGround = QColor(255, 255, 255, 210)
imagePainter.drawPolygon(a)
imagePainter.translate(0, -1)
imagePainter.setPen(foreGround)
imagePainter.setBrush(foreGround)
imagePainter.drawPolygon(a)
imagePainter.end()
pixmap = QPixmap.fromImage(image)
QPixmapCache.insert(pixmapName, pixmap)
xOffset = r.x() + (r.width() - size) / 2
yOffset = r.y() + (r.height() - size) / 2
painter.drawPixmap(xOffset, yOffset, pixmap)