本文整理汇总了Python中PyQt5.Qt.QBrush类的典型用法代码示例。如果您正苦于以下问题：Python QBrush类的具体用法？Python QBrush怎么用？Python QBrush使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QBrush类的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Background
class Background(QWidget): # {{{
def __init__(self, parent):
QWidget.__init__(self, parent)
self.bcol = QColor(*gprefs['cover_grid_color'])
self.btex = gprefs['cover_grid_texture']
self.update_brush()
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
def update_brush(self):
self.brush = QBrush(self.bcol)
if self.btex:
from calibre.gui2.preferences.texture_chooser import texture_path
path = texture_path(self.btex)
if path:
self.brush.setTexture(QPixmap(path))
self.update()
def sizeHint(self):
return QSize(200, 120)
def paintEvent(self, ev):
painter = QPainter(self)
painter.fillRect(ev.rect(), self.brush)
painter.end()示例2: full
def full(p, xmax, ymax):
p.drawRect(0, 0, xmax, ymax)
p.drawPolyline(QPoint(0, 0), QPoint(xmax, 0), QPoint(xmax, ymax),
QPoint(0, ymax), QPoint(0, 0))
pp = QPainterPath()
pp.addRect(0, 0, xmax, ymax)
p.drawPath(pp)
p.save()
for i in range(3):
col = [0, 0, 0, 200]
col[i] = 255
p.setOpacity(0.3)
p.fillRect(0, 0, xmax/10, xmax/10, QBrush(QColor(*col)))
p.setOpacity(1)
p.drawRect(0, 0, xmax/10, xmax/10)
p.translate(xmax/10, xmax/10)
p.scale(1, 1.5)
p.restore()
# p.scale(2, 2)
# p.rotate(45)
p.drawPixmap(0, 0, xmax/4, xmax/4, QPixmap(I('library.png')))
p.drawRect(0, 0, xmax/4, xmax/4)
f = p.font()
f.setPointSize(20)
# f.setLetterSpacing(f.PercentageSpacing, 200)
f.setUnderline(True)
# f.setOverline(True)
# f.setStrikeOut(True)
f.setFamily('Calibri')
p.setFont(f)
# p.setPen(QColor(0, 0, 255))
# p.scale(2, 2)
# p.rotate(45)
p.drawText(QPoint(xmax/3.9, 30), 'Some—text not By’s ū --- Д AV ff ff')
b = QBrush(Qt.HorPattern)
b.setColor(QColor(Qt.blue))
pix = QPixmap(I('lt.png'))
w = xmax/4
p.fillRect(0, ymax/3, w, w, b)
p.fillRect(xmax/3, ymax/3, w, w, QBrush(pix))
x, y = 2*xmax/3, ymax/3
p.drawTiledPixmap(QRectF(x, y, w, w), pix, QPointF(10, 10))
x, y = 1, ymax/1.9
g = QLinearGradient(QPointF(x, y), QPointF(x+w, y+w))
g.setColorAt(0, QColor('#00f'))
g.setColorAt(1, QColor('#fff'))
p.fillRect(x, y, w, w, QBrush(g))示例3: __init__
def __init__(self, develop=False):
self.drawn_once = False
self.develop = develop
self.title_font = f = QFont()
f.setPointSize(self.TITLE_SIZE)
f.setBold(True)
self.title_height = QFontMetrics(f).lineSpacing() + 2
self.body_font = f = QFont()
f.setPointSize(self.BODY_SIZE)
self.line_height = QFontMetrics(f).lineSpacing()
self.total_height = max(self.LOGO_SIZE, self.title_height + 3 * self.line_height)
self.num_font = f = QFont()
f.setPixelSize(self.total_height)
f.setItalic(True), f.setBold(True)
f = QFontMetrics(f)
self.num_ch = str(max(3, numeric_version[0]))
self.footer_font = f = QFont()
f.setPointSize(self.FOOTER_SIZE)
f.setItalic(True)
self.dpr = QApplication.instance().devicePixelRatio()
self.pmap = QPixmap(I('library.png', allow_user_override=False))
self.pmap.setDevicePixelRatio(self.dpr)
self.pmap = self.pmap.scaled(int(self.dpr * self.LOGO_SIZE), int(self.dpr * self.LOGO_SIZE), transformMode=Qt.SmoothTransformation)
self.light_brush = QBrush(QColor('#F6F3E9'))
self.dark_brush = QBrush(QColor('#39322B'))
pmap = QPixmap(int(self.WIDTH * self.dpr), int(self.WIDTH * self.dpr))
pmap.setDevicePixelRatio(self.dpr)
pmap.fill(Qt.transparent)
QSplashScreen.__init__(self, pmap)
self.setWindowTitle(__appname__)示例4: update_brush
def update_brush(self):
self.brush = QBrush(self.bcol)
if self.btex:
from calibre.gui2.preferences.texture_chooser import texture_path
path = texture_path(self.btex)
if path:
self.brush.setTexture(QPixmap(path))
self.update()示例5: update_brush
def update_brush(self):
self.brush = QBrush(self.bcol)
if self.btex:
from calibre.gui2.preferences.texture_chooser import texture_path
path = texture_path(self.btex)
if path:
p = QPixmap(path)
try:
dpr = self.devicePixelRatioF()
except AttributeError:
dpr = self.devicePixelRatio()
p.setDevicePixelRatio(dpr)
self.brush.setTexture(p)
self.update()示例6: SplashScreen
class SplashScreen(QSplashScreen):
TITLE_SIZE = 20 # pt
BODY_SIZE = 12 # pt
FOOTER_SIZE = 9 # pt
LOGO_SIZE = 96 # px
WIDTH = 550 # px
def __init__(self, develop=False):
self.drawn_once = False
self.develop = develop
self.title_font = f = QFont()
f.setPointSize(self.TITLE_SIZE)
f.setBold(True)
self.title_height = QFontMetrics(f).lineSpacing() + 2
self.body_font = f = QFont()
f.setPointSize(self.BODY_SIZE)
self.line_height = QFontMetrics(f).lineSpacing()
self.total_height = max(self.LOGO_SIZE, self.title_height + 3 * self.line_height)
self.num_font = f = QFont()
f.setPixelSize(self.total_height)
f.setItalic(True), f.setBold(True)
f = QFontMetrics(f)
self.num_ch = str(max(3, numeric_version[0]))
self.footer_font = f = QFont()
f.setPointSize(self.FOOTER_SIZE)
f.setItalic(True)
self.dpr = QApplication.instance().devicePixelRatio()
self.pmap = QPixmap(I('library.png', allow_user_override=False))
self.pmap.setDevicePixelRatio(self.dpr)
self.pmap = self.pmap.scaled(int(self.dpr * self.LOGO_SIZE), int(self.dpr * self.LOGO_SIZE), transformMode=Qt.SmoothTransformation)
self.light_brush = QBrush(QColor('#F6F3E9'))
self.dark_brush = QBrush(QColor('#39322B'))
pmap = QPixmap(int(self.WIDTH * self.dpr), int(self.WIDTH * self.dpr))
pmap.setDevicePixelRatio(self.dpr)
pmap.fill(Qt.transparent)
QSplashScreen.__init__(self, pmap)
self.setWindowTitle(__appname__)
def drawContents(self, painter):
self.drawn_once = True
painter.save()
painter.setRenderHint(painter.TextAntialiasing, True)
painter.setRenderHint(painter.Antialiasing, True)
pw = self.LOGO_SIZE
height = max(pw, self.total_height)
width = self.width()
# Draw frame
y = (self.height() - height) // 2
bottom = y + height
painter.fillRect(0, y, width, height, self.light_brush)
painter.fillRect(0, y, width, self.title_height, self.dark_brush)
painter.fillRect(0, y, pw, height, self.dark_brush)
dy = (height - self.LOGO_SIZE) // 2
painter.drawPixmap(0, y + dy, self.pmap)
# Draw number
painter.setFont(self.num_font)
num_width = painter.boundingRect(0, 0, 0, 0, Qt.AlignCenter | Qt.TextSingleLine, self.num_ch).width() + 12
num_x = width - num_width
painter.setPen(QPen(QColor('#d6b865')))
painter.drawText(num_x, y, num_width, height, Qt.AlignCenter | Qt.TextSingleLine, self.num_ch)
# Draw title
x = pw + 10
width -= num_width + 5 + x
painter.setFont(self.title_font)
painter.drawText(x, y, width, self.title_height, Qt.AlignLeft | Qt.AlignVCenter | Qt.TextSingleLine, "CALIBRE")
# Draw starting up message
y += self.title_height + 5
painter.setPen(QPen(self.dark_brush.color()))
painter.setFont(self.body_font)
br = painter.drawText(x, y, width, self.line_height, Qt.AlignLeft | Qt.AlignVCenter | Qt.TextSingleLine, _(
'Starting up, please wait...'))
starting_up_bottom = br.bottom()
# Draw footer
m = self.message()
if m and m.strip():
painter.setFont(self.footer_font)
b = max(starting_up_bottom + 5, bottom - self.line_height)
painter.drawText(x, b, width, self.line_height, Qt.AlignLeft | Qt.AlignTop | Qt.TextSingleLine, m)
painter.restore()
def show_message(self, msg):
self.showMessage(msg)
self.wait_for_draw()
def wait_for_draw(self):
# Without this the splash screen is not painted on linux and windows
self.drawn_once = False
st = monotonic()
while not self.drawn_once and (monotonic() - st < 0.1):
QApplication.instance().processEvents()
def keyPressEvent(self, ev):
if not self.develop:
#.........这里部分代码省略.........