def paintEvent(self, event):
sineTable = [
0, 38, 71, 92, 100, 92, 71, 38, 0, -38, -71, -92, -100, -92, -71,
-38
]
metrics = QFontMetrics(self.font())
x = (self.width() - metrics.horizontalAdvance(self.text)) / 2
y = (self.height() + metrics.ascent() - metrics.descent()) / 2
color = QColor()
painter = QPainter(self)
for i in range(len(self.text)):
index = (self.step + i) % 16
color.setHsv((15 - index) * 16, 255, 191)
painter.setPen(color)
painter.drawText(x,
y - ((sineTable[index] * metrics.height()) / 400),
str(self.text[i]))
x += metrics.horizontalAdvance(self.text[i])
class scrollTextLabel(QLabel):
deletesig = Signal()
def __init__(self, text, Rect, scale, speed, line, color, bold, parent=None):
super(scrollTextLabel, self).__init__(parent)
if color == 'red':
self.color = QColor(231, 0, 18, 255) # red
elif color == 'white':
self.color = QColor(255, 255, 246, 255) # white
elif color == 'Grass':
self.color = QColor(144, 195, 32, 255) # Grass
elif color == 'Blue':
self.color = QColor(0, 160, 234, 255) # Blue
if bold:
self.font = QFont("Helvetica", scale, QFont.Bold) # 20 25 30 粗體
else:
self.font = QFont("Helvetica", scale)
self.txt = text
self.speed = speed # between 50 ~ 120
self.setAttribute(Qt.WA_TranslucentBackground)
self.setWindowFlags(
Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint | Qt.WindowCloseButtonHint) # 隱藏 FramelessWindow
self.metrics = QFontMetrics(self.font)
self.setFixedWidth(self.metrics.width(self.txt) + 10)
self.setFixedHeight(self.metrics.height() + 5)
# self.move(Rect.x() + Rect.width() * 0.97, Rect.y() + 50 * line)
self.setFocusPolicy(Qt.NoFocus)
self.hide()
self.anim = QPropertyAnimation(self, 'pos')
self.anim.setDuration(self.speed * 100)
self.anim.setStartValue(QPoint(Rect.x() + Rect.width() * 0.95, Rect.y() + 50 * line))
self.anim.setEndValue(QPoint(-self.width() + Rect.x(), Rect.y() + 50 * line))
self.anim.setEasingCurve(QEasingCurve.Linear)
self.show()
self.repaint()
self.anim.start()
self.anim.finished.connect(self.sendslot)
def sendslot(self):
self.hide()
def paintEvent(self, event):
painter = QPainter(self)
painter.save()
path = QPainterPath()
painter.setFont(self.font)
painter.setRenderHint(QPainter.Antialiasing)
pen = QPen(QColor(0, 0, 0, 230))
pen_width = 3
pen.setWidth(pen_width)
len = self.metrics.width(self.txt)
w = self.width()
px = (len - w) / 2
if px < 0:
px = -px
py = (self.height() - self.metrics.height()) / 2 + self.metrics.ascent()
if py < 0:
py = -py
path.addText(px + 2, py + 2, self.font, self.txt)
painter.strokePath(path, pen)
painter.drawPath(path)
painter.fillPath(path, QBrush(self.color))
painter.restore()
