class SvgIconEngine(QIconEngine):
def __init__(self, contents):
# type: (bytes) -> None
super().__init__()
self.__contents = contents
self.__generator = QSvgRenderer(contents)
def paint(self, painter, rect, mode, state):
# type: (QPainter, QRect, QIcon.Mode, QIcon.State) -> None
if self.__generator.isValid():
size = rect.size()
dpr = 1.0
try:
dpr = painter.device().devicePixelRatioF()
except AttributeError:
pass
if dpr != 1.0:
size = size * dpr
painter.drawPixmap(rect, self.pixmap(size, mode, state))
def pixmap(self, size, mode, state):
# type: (QSize, QIcon.Mode, QIcon.State) -> QPixmap
if not self.__generator.isValid():
return QPixmap()
dsize = self.__generator.defaultSize() # type: QSize
if not dsize.isNull():
dsize.scale(size, Qt.KeepAspectRatio)
size = dsize
pm = QPixmap(size)
pm.fill(Qt.transparent)
painter = QPainter(pm)
try:
self.__generator.render(
painter, QRectF(0, 0, size.width(), size.height()))
finally:
painter.end()
style = QApplication.style()
if style is not None:
opt = QStyleOption()
opt.palette = QApplication.palette()
pm = style.generatedIconPixmap(mode, pm, opt)
return pm
class SvgIconEngine(QIconEngine):
def __init__(self, contents):
# type: (bytes) -> None
super().__init__()
self.__contents = contents
self.__generator = QSvgRenderer(contents)
def paint(self, painter, rect, mode, state):
# type: (QPainter, QRect, QIcon.Mode, QIcon.State) -> None
if self.__generator.isValid():
size = rect.size()
dpr = 1.0
try:
dpr = painter.device().devicePixelRatioF()
except AttributeError:
pass
if dpr != 1.0:
size = size * dpr
painter.drawPixmap(rect, self.pixmap(size, mode, state))
def pixmap(self, size, mode, state):
# type: (QSize, QIcon.Mode, QIcon.State) -> QPixmap
if not self.__generator.isValid():
return QPixmap()
dsize = self.__generator.defaultSize() # type: QSize
if not dsize.isNull():
dsize.scale(size, Qt.KeepAspectRatio)
size = dsize
pm = QPixmap(size)
pm.fill(Qt.transparent)
painter = QPainter(pm)
try:
self.__generator.render(painter,
QRectF(0, 0, size.width(), size.height()))
finally:
painter.end()
style = QApplication.style()
if style is not None:
opt = QStyleOption()
opt.palette = QApplication.palette()
pm = style.generatedIconPixmap(mode, pm, opt)
return pm
def __init__(self, contents):
# type: (bytes) -> None
super().__init__()
self.__contents = contents
self.__generator = QSvgRenderer(contents)
self.__cache_id = next(_cache_id_gen)
class SvgIconEngine(QIconEngine):
"""
An svg icon engine reimplementation drawing from in-memory svg contents.
Arguments
---------
contents : bytes
The svg icon contents
"""
__slots__ = ("__contents", "__generator", "__cache_id")
def __init__(self, contents):
# type: (bytes) -> None
super().__init__()
self.__contents = contents
self.__generator = QSvgRenderer(contents)
self.__cache_id = next(_cache_id_gen)
def paint(self, painter, rect, mode, state):
# type: (QPainter, QRect, QIcon.Mode, QIcon.State) -> None
if self.__generator.isValid():
size = rect.size()
dpr = 1.0
try:
dpr = painter.device().devicePixelRatioF()
except AttributeError:
pass
if dpr != 1.0:
size = size * dpr
painter.drawPixmap(rect, self.pixmap(size, mode, state))
def pixmap(self, size, mode, state):
# type: (QSize, QIcon.Mode, QIcon.State) -> QPixmap
if not self.__generator.isValid():
return QPixmap()
dsize = self.__generator.defaultSize() # type: QSize
if not dsize.isNull():
dsize.scale(size, Qt.KeepAspectRatio)
size = dsize
key = "{}.SVGIconEngine/{}/{}x{}".format(__name__, self.__cache_id,
size.width(), size.height())
pm = QPixmapCache.find(key)
if pm is None or pm.isNull():
pm = QPixmap(size)
pm.fill(Qt.transparent)
painter = QPainter(pm)
try:
self.__generator.render(
painter, QRectF(0, 0, size.width(), size.height()))
finally:
painter.end()
QPixmapCache.insert(key, pm)
style = QApplication.style()
if style is not None:
opt = QStyleOption()
opt.palette = QApplication.palette()
pm = style.generatedIconPixmap(mode, pm, opt)
return pm
def clone(self):
# type: () -> QIconEngine
return SvgIconEngine(self.__contents)
def __init__(self, contents):
# type: (bytes) -> None
super().__init__()
self.__contents = contents
self.__generator = QSvgRenderer(contents)
def __init__(self, contents):
# type: (bytes) -> None
super(QIconEngine, self).__init__()
self.__contents = contents
self.__generator = QSvgRenderer(contents)
class SvgIconEngine(QIconEngine):
"""
An svg icon engine reimplementation drawing from in-memory svg contents.
Arguments
---------
contents : bytes
The svg icon contents
"""
__slots__ = ("__contents", "__generator", "__cache_id")
def __init__(self, contents):
# type: (bytes) -> None
super().__init__()
self.__contents = contents
self.__generator = QSvgRenderer(contents)
self.__cache_id = next(_cache_id_gen)
def paint(self, painter, rect, mode, state):
# type: (QPainter, QRect, QIcon.Mode, QIcon.State) -> None
if self.__generator.isValid():
size = rect.size()
dpr = 1.0
try:
dpr = painter.device().devicePixelRatioF()
except AttributeError:
pass
if dpr != 1.0:
size = size * dpr
painter.drawPixmap(rect, self.pixmap(size, mode, state))
def pixmap(self, size, mode, state):
# type: (QSize, QIcon.Mode, QIcon.State) -> QPixmap
if not self.__generator.isValid():
return QPixmap()
dsize = self.__generator.defaultSize() # type: QSize
if not dsize.isNull():
dsize.scale(size, Qt.KeepAspectRatio)
size = dsize
key = "{}.SVGIconEngine/{}/{}x{}".format(
__name__, self.__cache_id, size.width(), size.height()
)
pm = QPixmapCache.find(key)
if pm is None or pm.isNull():
pm = QPixmap(size)
pm.fill(Qt.transparent)
painter = QPainter(pm)
try:
self.__generator.render(
painter, QRectF(0, 0, size.width(), size.height()))
finally:
painter.end()
QPixmapCache.insert(key, pm)
style = QApplication.style()
if style is not None:
opt = QStyleOption()
opt.palette = QApplication.palette()
pm = style.generatedIconPixmap(mode, pm, opt)
return pm
def clone(self):
# type: () -> QIconEngine
return SvgIconEngine(self.__contents)