def drawIconWithShadow(icon, rect, p, iconMode, radius, color, offset):
cache = QPixmap()
pixmapName = "icon {0} {1} {2}".format(icon.cacheKey(), iconMode, rect.height())
if not QPixmapCache.find(pixmapName, cache):
px = icon.pixmap(rect.size())
cache = QPixmap(px.size() + QSize(radius * 2, radius * 2))
cache.fill(Qt.transparent)
cachePainter = QPainter(cache)
if iconMode == QIcon.Disabled:
im = px.toImage().convertToFormat(QImage.Format_ARGB32)
for y in range(im.height()):
scanLine = im.scanLine(y)
for x in range(im.width()):
pixel = scanLine
intensity = qGray(pixel)
scanLine = qRgba(intensity, intensity, intensity, qAlpha(pixel))
scanLine += 1
px = QPixmap.fromImage(im)
# Draw shadow
tmp = QImage(px.size() + QSize(radius * 2, radius * 2 + 1), QImage.Format_ARGB32_Premultiplied)
tmp.fill(Qt.transparent)
tmpPainter = QPainter(tmp)
tmpPainter.setCompositionMode(QPainter.CompositionMode_Source)
tmpPainter.drawPixmap(QPoint(radius, radius), px)
tmpPainter.end()
# blur the alpha channel
blurred = QImage(tmp.size(), QImage.Format_ARGB32_Premultiplied)
blurred.fill(Qt.transparent)
blurPainter = QPainter(blurred)
# todo : blur image
blurPainter.end()
tmp = blurred
# blacken the image
tmpPainter.begin(tmp)
tmpPainter.setCompositionMode(QPainter.CompositionMode_SourceIn)
tmpPainter.fillRect(tmp.rect(), color)
tmpPainter.end()
tmpPainter.begin(tmp)
tmpPainter.setCompositionMode(QPainter.CompositionMode_SourceIn)
tmpPainter.fillRect(tmp.rect(), color)
tmpPainter.end()
# draw the blurred drop shadow...
cachePainter.drawImage(QRect(0, 0, cache.rect().width(), cache.rect().height()), tmp)
# Draw the actual pixmap...
cachePainter.drawPixmap(QPoint(radius, radius) + offset, px)
QPixmapCache.insert(pixmapName, cache)
targetRect = cache.rect()
targetRect.moveCenter(rect.center())
p.drawPixmap(targetRect.topLeft() - offset, cache)
def testWithKey(self):
pm1 = QPixmap()
ok = QPixmapCache.find(QPixmapCache.Key(), pm1)
self.assertFalse(ok)
self.assertEqual(QPixmapCache.find(QPixmapCache.Key()), None)
pm2 = QPixmap()
key = QPixmapCache.insert(pm2)
pm3 = QPixmap()
ok = QPixmapCache.find(key, pm3)
self.assertTrue(ok)
self.assertEqual(QPixmapCache.find(key).toImage().bits(), pm3.toImage().bits())
def paint(self, painter, option, widget=None):
"""@reimp @public
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0)
"""
#Q_UNUSED(option)
#Q_UNUSED(widget)
d = self.__d
key = d.hash
pm = QPixmap()
if not QPixmapCache.find(key, pm):
# Set up a convenient path
path = QPainterPath()
path.setFillRule(Qt.OddEvenFill)
path.addEllipse(QPointF(d.actualOuterRadius, d.actualOuterRadius),
d.actualOuterRadius, d.actualOuterRadius)
path.addEllipse(QPointF(d.actualOuterRadius, d.actualOuterRadius),
d.actualInnerRadius, d.actualInnerRadius)
nActualDiameter = 2.0 * d.actualOuterRadius
pm = QPixmap(nActualDiameter, nActualDiameter)
pm.fill(Qt.transparent)
p = QPainter(pm)
# Draw the ring background
p.setPen(Qt.NoPen)
p.setBrush(d.backgroundColor)
p.setRenderHint(QPainter.Antialiasing)
p.drawPath(path)
# Draw the ring foreground
# TODO: Expose this gradient as Qml Property
gradient = QConicalGradient(d.actualOuterRadius,
d.actualOuterRadius, 0.0)
gradient.setColorAt(0.0, Qt.transparent)
gradient.setColorAt(0.05, d.foregroundColor)
gradient.setColorAt(0.8, Qt.transparent)
p.setBrush(gradient)
p.drawPath(path)
p.end()
QPixmapCache.insert(key, pm)
# Draw pixmap at center of item
w, h = self.width(), self.height()
sz = min(w, h)
painter.drawPixmap(0.5 * (w - sz), 0.5 * (h - sz), pm)
def verticalGradient(painter, spanRect, clipRect, lightColored):
if StyleHelper.usePixmapCache():
keyColor = StyleHelper.baseColor(lightColored)
key = "mh_vertical {0} {1} {2} {3} {4}".format(
spanRect.width(), spanRect.height(), clipRect.width(), clipRect.height(), keyColor.rgb()
)
pixmap = QPixmap()
if not QPixmapCache.find(key, pixmap):
pixmap = QPixmap(clipRect.size())
p = QPainter(pixmap)
rect = QRect(0, 0, clipRect.width(), clipRect.height())
StyleHelper.verticalGradientHelper(p, spanRect, rect, lightColored)
p.end()
QPixmapCache.insert(key, pixmap)
painter.drawPixmap(clipRect.topLeft(), pixmap)
else:
StyleHelper.verticalGradientHelper(painter, spanRect, clipRect, lightColored)
def pixmap_cache ( name ):
""" Return the QPixmap corresponding to a filename. If the filename does
not contain a path component then the local 'images' directory is used.
"""
if name[:1] == '@':
image = image_for( name )
if image is not None:
return image.bitmap
path, _ = os.path.split( name )
if not path:
name = os.path.join( os.path.dirname( __file__ ), 'images', name )
pm = QPixmap()
if not QPixmapCache.find( name, pm ):
pm.load( name )
QPixmapCache.insert( name, pm )
return pm
def menuGradient(painter, spanRect, clipRect):
if StyleHelper.usePixmapCache():
key = "mh_menu {0} {1} {2} {3} {4}".format(
spanRect.width(), spanRect.height(), clipRect.width(), clipRect.height(), StyleHelper.baseColor().rgb()
)
pixmap = QPixmap()
if not QPixmapCache.find(key, pixmap):
pixmap = QPixmap(clipRect.size())
p = QPainter(pixmap)
rect = QRect(0, 0, clipRect.width(), clipRect.height())
StyleHelper.menuGradientHelper(p, spanRect, rect)
painter.drawPixmap(clipRect.topLeft(), pixmap)
else:
StyleHelper.menuGradientHelper(painter, spanRect, clipRect)
def testWithKey(self):
pm1 = QPixmap()
ok = QPixmapCache.find(QPixmapCache.Key(), pm1)
self.assertFalse(ok)
self.assertEqual(QPixmapCache.find(QPixmapCache.Key()), None)
pm2 = QPixmap()
key = QPixmapCache.insert(pm2)
pm3 = QPixmap()
ok = QPixmapCache.find(key, pm3)
self.assertTrue(ok)
self.assertEqual(
QPixmapCache.find(key).toImage().bits(),
pm3.toImage().bits())
def testWithString(self):
pm1 = QPixmap()
ok = QPixmapCache.find('img', pm1)
self.assertFalse(ok)
self.assertEqual(QPixmapCache.find('img'), None)
pm2 = QPixmap()
ok = QPixmapCache.insert('img', pm2)
self.assertTrue(ok)
pm3 = QPixmap()
ok = QPixmapCache.find('img', pm3)
self.assertTrue(ok)
b1 = QPixmapCache.find('img').toImage().bits()
b2 = pm3.toImage().bits()
self.assertEqual(QPixmapCache.find('img').toImage().bits(), pm3.toImage().bits())
def testWithString(self):
pm1 = QPixmap()
ok = QPixmapCache.find('img', pm1)
self.assertFalse(ok)
self.assertEqual(QPixmapCache.find('img'), None)
pm2 = QPixmap()
ok = QPixmapCache.insert('img', pm2)
self.assertTrue(ok)
pm3 = QPixmap()
ok = QPixmapCache.find('img', pm3)
self.assertTrue(ok)
b1 = QPixmapCache.find('img').toImage().bits()
b2 = pm3.toImage().bits()
self.assertEqual(
QPixmapCache.find('img').toImage().bits(),
pm3.toImage().bits())
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)
