def drawInstructions(self, painter):
text = "Click and drag with the left mouse button to rotate the Qt " "logo."
metrics = QFontMetrics(self.font())
border = max(4, metrics.leading())
rect = metrics.boundingRect(
0,
0,
self.width() - 2 * border,
int(self.height() * 0.125),
Qt.AlignCenter | Qt.TextWordWrap,
text,
)
painter.setRenderHint(QPainter.TextAntialiasing)
painter.fillRect(
QRect(0, 0, self.width(), rect.height() + 2 * border), QColor(0, 0, 0, 127)
)
painter.setPen(Qt.white)
painter.fillRect(
QRect(0, 0, self.width(), rect.height() + 2 * border), QColor(0, 0, 0, 127)
)
painter.drawText(
(self.width() - rect.width()) / 2,
border,
rect.width(),
rect.height(),
Qt.AlignCenter | Qt.TextWordWrap,
text,
)
def paintText(self, text, color, fontSize, refX, refY, painter):
'''
Paint text on top of the image and OpenGL drawings
:param text: chars to write
:param color: text color
:param fontSize: text size in mm
:param refX: position in reference units (mm of the real instrument). This is relative to the measurement unit position, NOT in pixels.
:param refY: position in reference units (mm of the real instrument). This is relative to the measurement unit position, NOT in pixels.
'''
prevPen = painter.pen()
pPositionX = self.refToScreenX(refX) - (fontSize*self.scalingFactor*0.072)
pPositionY = self.refToScreenY(refY) - (fontSize*self.scalingFactor*0.212)
font = QFont('Bitstream Vera Sans')
# Enforce minimum font size of 5 pixels
fSize = max(5, int(fontSize*self.scalingFactor*1.26))
font.setPixelSize(fSize)
metrics = QFontMetrics(font)
border = max(4, metrics.leading())
rect = metrics.boundingRect(0, 0, self.width() - 2*border, int(self.height()*0.125),
Qt.AlignLeft | Qt.TextWordWrap, text)
painter.setPen(color)
painter.setFont(font)
painter.setRenderHint(QPainter.TextAntialiasing)
painter.drawText(pPositionX, pPositionY,
rect.width(), rect.height(),
Qt.AlignCenter | Qt.TextWordWrap, text)
painter.setPen(prevPen)
def drawInstructions(self, painter):
text = 'Press F1 for controls'
metrics = QFontMetrics(QFont("Times", 12, QFont.Bold))
border = max(4, metrics.leading())
rect = metrics.boundingRect(0, 0, self.width() - 2*border,
int(self.height()*0.125), Qt.AlignCenter,
text)
painter.setRenderHint(QPainter.TextAntialiasing)
painter.fillRect(QRect(0, 0, self.width(), rect.height() + 2*border), QColor(0, 0, 0, 127))
painter.setPen(Qt.white)
painter.fillRect(QRect(0, 0, self.width(), rect.height() + 2*border), QColor(0, 0, 0, 127))
painter.drawText((self.width() - rect.width())/2, border, rect.width(),
rect.height(), Qt.AlignCenter | Qt.TextWordWrap, text)
def drawInstructions(self, painter):
text = "Click and drag with the left mouse button to rotate the Qt " \
"logo."
metrics = QFontMetrics(self.font())
border = max(4, metrics.leading())
rect = metrics.boundingRect(0, 0, self.width() - 2 * border,
int(self.height() * 0.125), Qt.AlignCenter | Qt.TextWordWrap,
text)
painter.setRenderHint(QPainter.TextAntialiasing)
painter.fillRect(QRect(0, 0, self.width(), rect.height() + 2 * border), QColor(0, 0, 0, 127))
painter.setPen(Qt.white)
painter.fillRect(QRect(0, 0, self.width(), rect.height() + 2 * border), QColor(0, 0, 0, 127))
painter.drawText((self.width() - rect.width()) / 2, border, rect.width(),
rect.height(), Qt.AlignCenter | Qt.TextWordWrap, text)
