def paintEvent(self, e):
qp = QPainter()
qp.begin(self)
qp.setRenderHint(QPainter.RenderHints.Antialiasing)
self.drawBezierCurve(qp)
qp.end()
def paintEvent(self, ev):
r = self.rect()
painter = QPainter(self)
painter.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform, True)
icon = get_icon('busy.svg' if self.running else DOWNLOAD_ICON_NAME)
pmap = icon.pixmap(r.width(), r.height())
x = (r.width() - int(pmap.width() / pmap.devicePixelRatio())) // 2
y = (r.height() - int(pmap.height() / pmap.devicePixelRatio())) // 2 + 1
painter.drawPixmap(x, y, pmap)
def paintEvent(self, ev):
painter = QPainter(self)
painter.setRenderHint(QPainter.RenderHint.TextAntialiasing)
f = painter.font()
f.setBold(True)
f.setPixelSize(self.height() - 1)
painter.setFont(f)
painter.setPen(QColor('red' if self.is_enabled else 'green'))
painter.drawText(self.rect(), Qt.AlignmentFlag.AlignCenter, 'Z')
painter.end()
def paintEvent(self, ev):
painter = QPainter(self)
painter.setRenderHint(QPainter.RenderHint.Antialiasing, True)
painter.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform, True)
try:
self.paint_background(painter)
except Exception:
pass
finally:
painter.end()
QWidget.paintEvent(self, ev)
def rotated_by(self, pixmap, angle):
ans = pixmap.copy()
ans.fill(Qt.GlobalColor.transparent)
p = QPainter(ans)
p.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform)
p.setRenderHint(QPainter.RenderHint.Antialiasing)
sz = ans.size().width() / ans.devicePixelRatio()
p.translate(sz // 2, sz // 2)
p.rotate(angle)
p.translate(-sz // 2, -sz // 2)
p.drawPixmap(0, 0, pixmap)
p.end()
return ans
def paintEvent(self, event):
if (not self.m_displayedWhenStopped) and (not self.isAnimated()):
return
width = min(self.width(), self.height())
painter = QPainter(self)
painter.setRenderHint(QPainter.RenderHint.Antialiasing)
outerRadius = (width - 1) * 0.5
innerRadius = (width - 1) * 0.5 * 0.4375
capsuleHeight = outerRadius - innerRadius
capsuleWidth = width * 3 / 32
capsuleRadius = capsuleWidth / 2
for i in range(0, 12):
color = QtGui.QColor(self.m_color)
if self.isAnimated():
color.setAlphaF(1.0 - (i / 12.0))
else:
color.setAlphaF(0.2)
painter.setPen(Qt.PenStyle.NoPen)
painter.setBrush(color)
painter.save()
painter.translate(self.rect().center())
painter.rotate(self.m_angle - (i * 30.0))
width = -1 * capsuleWidth / 2
height = -1 * (innerRadius + capsuleHeight)
painter.drawRoundedRect(
round(width),
round(height),
round(capsuleWidth),
round(capsuleHeight),
capsuleRadius,
capsuleRadius,
)
painter.restore()
def paintEvent(self, ev):
if not self.static_text or not self.static_text.text():
return
p = QPainter(self)
p.setRenderHint(QPainter.RenderHint.TextAntialiasing)
# If text is too long too fit, fade it out at the end
self.static_text.setTextWidth(self.rect().width())
sz = self.static_text.size()
r = self.rect()
p.drawStaticText(0,
int(r.height() - sz.height()) // 2, self.static_text)
if sz.width() > r.width():
g = QLinearGradient(QPointF(self.rect().topLeft()),
QPointF(self.rect().topRight()))
c = QColor(self.sb_background)
c.setAlpha(0)
g.setColorAt(0, c)
g.setColorAt(0.8, c)
g.setColorAt(1.0, self.sb_background)
p.fillRect(self.rect(), QBrush(g))
p.end()
def paintEvent(self, a0: QtGui.QPaintEvent) -> None:
super().paintEvent(a0)
qp = QPainter()
qp.begin(self)
qp.setRenderHint(QPainter.RenderHint.Antialiasing)
# Hintergrund malen
pen = QPen(Qt.GlobalColor.gray, 1, Qt.PenStyle.SolidLine)
qp.setPen(pen)
qp.setBrush(Qt.GlobalColor.gray)
qp.drawRect(0, 0, self.width(), self.height())
# Sample malen
pen.setColor(Qt.GlobalColor.white)
qp.setPen(pen)
qp.setBrush(Qt.GlobalColor.white)
qp.drawRect(*self.norm_to_pixel_coord_int(-self.margin, -self.margin),
self.norm_to_pixel_rel_int(self.x_range + 2 * self.margin),
self.norm_to_pixel_rel_int(self.x_range + 2 * self.margin))
qp.end()
def get_masked_image(path, size=64, overlay_text=""):
"""
Returns a pixmap from an image file masked with a smooth circle.
The returned pixmap will have a size of *size* × *size* pixels.
:param str path: Path to image file.
:param int size: Target size. Will be the diameter of the masked image.
:param str overlay_text: Overlay text. This will be shown in white sans-serif on top
of the image.
:return: Masked image with overlay text.
:rtype: QPixmap
"""
with open(path, "rb") as f:
imgdata = f.read()
imgtype = path.split(".")[-1]
# Load image and convert to 32-bit ARGB (adds an alpha channel):
image = QImage.fromData(imgdata, imgtype)
image.convertToFormat(QImage.Format.Format_ARGB32)
# Crop image to a square:
imgsize = min(image.width(), image.height())
width = (image.width() - imgsize) / 2
height = (image.height() - imgsize) / 2
rect = QRect(
round(width),
round(height),
imgsize,
imgsize,
)
image = image.copy(rect)
# Create the output image with the same dimensions and an alpha channel
# and make it completely transparent:
out_img = QImage(imgsize, imgsize, QImage.Format.Format_ARGB32)
out_img.fill(Qt.GlobalColor.transparent)
# Create a texture brush and paint a circle with the original image onto
# the output image:
brush = QBrush(image) # Create texture brush
painter = QPainter(out_img) # Paint the output image
painter.setBrush(brush) # Use the image texture brush
painter.setPen(Qt.PenStyle.NoPen) # Don't draw an outline
painter.setRenderHint(QPainter.RenderHint.Antialiasing, True) # Use AA
painter.drawEllipse(0, 0, imgsize, imgsize) # Actually draw the circle
if overlay_text:
# draw text
font = QtGui.QFont("Arial Rounded MT Bold")
font.setPointSize(imgsize * 0.4)
painter.setFont(font)
painter.setPen(Qt.GlobalColor.white)
painter.drawText(QRect(0, 0, imgsize, imgsize),
Qt.AlignmentFlag.AlignCenter, overlay_text)
painter.end() # We are done (segfault if you forget this)
# Convert the image to a pixmap and rescale it. Take pixel ratio into
# account to get a sharp image on retina displays:
pr = QtWidgets.QApplication.instance().devicePixelRatio()
pm = QPixmap.fromImage(out_img)
pm.setDevicePixelRatio(pr)
size = int(pr * size)
pm = pm.scaled(
size,
size,
Qt.AspectRatioMode.KeepAspectRatio,
Qt.TransformationMode.SmoothTransformation,
)
return pm
