Python QPainter.drawPixmap方法代码示例

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, event):
     canvas_size = self.rect()
     width = self.current_pixmap_size.width()
     extrax = canvas_size.width() - width
     if extrax < 0:
         extrax = 0
     x = int(extrax/2.)
     height = self.current_pixmap_size.height()
     extray = canvas_size.height() - height
     if extray < 0:
         extray = 0
     y = int(extray/2.)
     target = QRect(x, y, width, height)
     p = QPainter(self)
     p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
     try:
         dpr = self.devicePixelRatioF()
     except AttributeError:
         dpr = self.devicePixelRatio()
     spmap = self.pixmap.scaled(target.size() * dpr, Qt.KeepAspectRatio, Qt.SmoothTransformation)
     spmap.setDevicePixelRatio(dpr)
     p.drawPixmap(target, spmap)
     if gprefs['bd_overlay_cover_size']:
         sztgt = target.adjusted(0, 0, 0, -4)
         f = p.font()
         f.setBold(True)
         p.setFont(f)
         sz = u'\u00a0%d x %d\u00a0'%(self.pixmap.width(), self.pixmap.height())
         flags = Qt.AlignBottom|Qt.AlignRight|Qt.TextSingleLine
         szrect = p.boundingRect(sztgt, flags, sz)
         p.fillRect(szrect.adjusted(0, 0, 0, 4), QColor(0, 0, 0, 200))
         p.setPen(QPen(QColor(255,255,255)))
         p.drawText(sztgt, flags, sz)
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, event):
     QWidget.paintEvent(self, event)
     pmap = self._pixmap
     if pmap.isNull():
         return
     w, h = pmap.width(), pmap.height()
     ow, oh = w, h
     cw, ch = self.rect().width(), self.rect().height()
     scaled, nw, nh = fit_image(w, h, cw, ch)
     if scaled:
         pmap = pmap.scaled(int(nw*pmap.devicePixelRatio()), int(nh*pmap.devicePixelRatio()), Qt.IgnoreAspectRatio,
                 Qt.SmoothTransformation)
     w, h = int(pmap.width()/pmap.devicePixelRatio()), int(pmap.height()/pmap.devicePixelRatio())
     x = int(abs(cw - w)/2.)
     y = int(abs(ch - h)/2.)
     target = QRect(x, y, w, h)
     p = QPainter(self)
     p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
     p.drawPixmap(target, pmap)
     if self.draw_border:
         pen = QPen()
         pen.setWidth(self.BORDER_WIDTH)
         p.setPen(pen)
         p.drawRect(target)
     if self.show_size:
         draw_size(p, target, ow, oh)
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, ev):
     shown = self.button.isChecked()
     ls = self.fm.lineSpacing()
     painter = QPainter(self)
     if self.mouse_over:
         tool = QStyleOption()
         tool.rect = self.rect()
         tool.state = QStyle.State_Raised | QStyle.State_Active | QStyle.State_MouseOver
         s = self.style()
         s.drawPrimitive(QStyle.PE_PanelButtonTool, tool, painter, self)
     painter.drawText(
         0, 0,
         self.width(),
         ls, Qt.AlignCenter | Qt.TextSingleLine, self.text)
     text = _('Hide') if shown else _('Show')
     f = self.font()
     f.setBold(True)
     painter.setFont(f)
     painter.drawText(
         0, self.height() - ls,
         self.width(),
         ls, Qt.AlignCenter | Qt.TextSingleLine, text)
     x = (self.width() - ICON_SZ) // 2
     y = ls + (self.height() - ICON_SZ - 2 * ls) // 2
     pmap = self.bright_icon if shown else self.dull_icon
     painter.drawPixmap(x, y, pmap)
     painter.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
    def paintEvent(self, event):
        w = self.viewport().rect().width()
        painter = QPainter(self.viewport())
        painter.setClipRect(event.rect())
        floor = event.rect().bottom()
        ceiling = event.rect().top()
        fv = self.firstVisibleBlock().blockNumber()
        origin = self.contentOffset()
        doc = self.document()
        lines = []

        for num, text in self.headers:
            top, bot = num, num + 3
            if bot < fv:
                continue
            y_top = self.blockBoundingGeometry(doc.findBlockByNumber(top)).translated(origin).y()
            y_bot = self.blockBoundingGeometry(doc.findBlockByNumber(bot)).translated(origin).y()
            if max(y_top, y_bot) < ceiling:
                continue
            if min(y_top, y_bot) > floor:
                break
            painter.setFont(self.heading_font)
            br = painter.drawText(3, y_top, w, y_bot - y_top - 5, Qt.TextSingleLine, text)
            painter.setPen(QPen(self.palette().text(), 2))
            painter.drawLine(0, br.bottom()+3, w, br.bottom()+3)

        for top, bot, kind in self.changes:
            if bot < fv:
                continue
            y_top = self.blockBoundingGeometry(doc.findBlockByNumber(top)).translated(origin).y()
            y_bot = self.blockBoundingGeometry(doc.findBlockByNumber(bot)).translated(origin).y()
            if max(y_top, y_bot) < ceiling:
                continue
            if min(y_top, y_bot) > floor:
                break
            if y_top != y_bot:
                painter.fillRect(0,  y_top, w, y_bot - y_top, self.diff_backgrounds[kind])
            lines.append((y_top, y_bot, kind))
            if top in self.images:
                img, maxw = self.images[top][:2]
                if bot > top + 1 and not img.isNull():
                    y_top = self.blockBoundingGeometry(doc.findBlockByNumber(top+1)).translated(origin).y() + 3
                    y_bot -= 3
                    scaled, imgw, imgh = fit_image(img.width(), img.height(), w - 3, y_bot - y_top)
                    painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
                    painter.drawPixmap(QRect(3, y_top, imgw, imgh), img)

        painter.end()
        PlainTextEdit.paintEvent(self, event)
        painter = QPainter(self.viewport())
        painter.setClipRect(event.rect())
        for top, bottom, kind in sorted(lines, key=lambda (t, b, k):{'replace':0}.get(k, 1)):
            painter.setPen(QPen(self.diff_foregrounds[kind], 1))
            painter.drawLine(0, top, w, top)
            painter.drawLine(0, bottom - 1, w, bottom - 1)

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, ev):
     if self.timer.isActive():
         if not self.errored_out:
             try:
                 draw_snake_spinner(QPainter(self), self.rect(), self.angle, self.light, self.dark)
             except Exception:
                 import traceback
                 traceback.print_exc()
                 self.errored_out = True
     else:
         r = self.rect()
         painter = QPainter(self)
         painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
         icon = downloads_icon()
         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)

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, event):
     if self.pixmap.isNull():
         return
     canvas_size = self.rect()
     width = self.current_pixmap_size.width()
     extrax = canvas_size.width() - width
     if extrax < 0:
         extrax = 0
     x = int(extrax / 2.0)
     height = self.current_pixmap_size.height()
     extray = canvas_size.height() - height
     if extray < 0:
         extray = 0
     y = int(extray / 2.0)
     target = QRect(x, y, min(canvas_size.width(), width), min(canvas_size.height(), height))
     p = QPainter(self)
     p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
     p.drawPixmap(target, self.pixmap.scaled(target.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation))
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
    def paintEvent(self, event):
        pmap = self.blank if self.pixmap is None or self.pixmap.isNull() else self.pixmap
        target = self.rect()
        scaled, width, height = fit_image(pmap.width(), pmap.height(), target.width(), target.height())
        target.setRect(target.x(), target.y(), width, height)
        p = QPainter(self)
        p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
        p.drawPixmap(target, pmap)

        if self.pixmap is not None and not self.pixmap.isNull():
            sztgt = target.adjusted(0, 0, 0, -4)
            f = p.font()
            f.setBold(True)
            p.setFont(f)
            sz = u'\u00a0%d x %d\u00a0'%(self.pixmap.width(), self.pixmap.height())
            flags = Qt.AlignBottom|Qt.AlignRight|Qt.TextSingleLine
            szrect = p.boundingRect(sztgt, flags, sz)
            p.fillRect(szrect.adjusted(0, 0, 0, 4), QColor(0, 0, 0, 200))
            p.setPen(QPen(QColor(255,255,255)))
            p.drawText(sztgt, flags, sz)
        p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
    def paintEvent(self, ev):
        if self.before_image is None:
            return
        canvas_size = self.rect()
        p = QPainter(self)
        p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)

        p.drawPixmap(canvas_size, self.before_image, self.before_image.rect())
        if self.after_image is not None:
            width = self._current_width
            iw = self.after_image.width()
            sh = min(self.after_image.height(), canvas_size.height())

            if self.flip_forwards:
                source = QRect(max(0, iw - width), 0, width, sh)
            else:
                source = QRect(0, 0, width, sh)

            target = QRect(source)
            target.moveLeft(0)
            p.drawPixmap(target, self.after_image, source)

        p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, event):
     QWidget.paintEvent(self, event)
     pmap = self._pixmap
     if pmap.isNull():
         return
     w, h = pmap.width(), pmap.height()
     ow, oh = w, h
     cw, ch = self.rect().width(), self.rect().height()
     scaled, nw, nh = fit_image(w, h, cw, ch)
     if scaled:
         pmap = pmap.scaled(int(nw*pmap.devicePixelRatio()), int(nh*pmap.devicePixelRatio()), Qt.IgnoreAspectRatio,
                 Qt.SmoothTransformation)
     w, h = int(pmap.width()/pmap.devicePixelRatio()), int(pmap.height()/pmap.devicePixelRatio())
     x = int(abs(cw - w)/2.)
     y = int(abs(ch - h)/2.)
     target = QRect(x, y, w, h)
     p = QPainter(self)
     p.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
     p.drawPixmap(target, pmap)
     if self.draw_border:
         pen = QPen()
         pen.setWidth(self.BORDER_WIDTH)
         p.setPen(pen)
         p.drawRect(target)
     if self.show_size:
         sztgt = target.adjusted(0, 0, 0, -4)
         f = p.font()
         f.setBold(True)
         p.setFont(f)
         sz = u'\u00a0%d x %d\u00a0'%(ow, oh)
         flags = Qt.AlignBottom|Qt.AlignRight|Qt.TextSingleLine
         szrect = p.boundingRect(sztgt, flags, sz)
         p.fillRect(szrect.adjusted(0, 0, 0, 4), QColor(0, 0, 0, 200))
         p.setPen(QPen(QColor(255,255,255)))
         p.drawText(sztgt, flags, sz)
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, ev):
     p = QPainter(self)
     p.setOpacity(min(1, abs(1 - self._fraction)))
     p.drawPixmap(self.rect(), self.icon)
     p.end()

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, ev):
     if self.pixmap is not None:
         x = (self.width() - self.size) // 2
         y = (self.height() - self.size) // 2
         p = QPainter(self)
         p.drawPixmap(x, y, self.size, self.size, self.pixmap)

# 需要导入模块: from PyQt5.Qt import QPainter [as 别名]
# 或者: from PyQt5.Qt.QPainter import drawPixmap [as 别名]
 def paintEvent(self, e):
     painter = QPainter(self)
     h = self.pixmap.height() / 2
     painter.drawPixmap(self.rect(), self.pixmap,
                        QRect(0, h * (1 if self.isOn else 0),
                              self.pixmap.width(), h))