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Python QPainterPath.connectPath方法代码示例

本文整理汇总了Python中PyQt5.Qt.QPainterPath.connectPath方法的典型用法代码示例。如果您正苦于以下问题:Python QPainterPath.connectPath方法的具体用法?Python QPainterPath.connectPath怎么用?Python QPainterPath.connectPath使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PyQt5.Qt.QPainterPath的用法示例。


在下文中一共展示了QPainterPath.connectPath方法的1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: paintEvent

# 需要导入模块: from PyQt5.Qt import QPainterPath [as 别名]
# 或者: from PyQt5.Qt.QPainterPath import connectPath [as 别名]
    def paintEvent(self, event):
        QSplitterHandle.paintEvent(self, event)
        left, right = self.parent().left, self.parent().right
        painter = QPainter(self)
        painter.setClipRect(event.rect())
        w = self.width()
        h = self.height()
        painter.setRenderHints(QPainter.Antialiasing, True)

        C = 16  # Curve factor.

        def create_line(ly, ry, right_to_left=False):
            ' Create path that represents upper or lower line of change marker '
            line = QPainterPath()
            if not right_to_left:
                line.moveTo(0, ly)
                line.cubicTo(C, ly, w - C, ry, w, ry)
            else:
                line.moveTo(w, ry)
                line.cubicTo(w - C, ry, C, ly, 0, ly)
            return line

        ldoc, rdoc = left.document(), right.document()
        lorigin, rorigin = left.contentOffset(), right.contentOffset()
        lfv, rfv = left.firstVisibleBlock().blockNumber(), right.firstVisibleBlock().blockNumber()
        lines = []

        for (ltop, lbot, kind), (rtop, rbot, kind) in zip(left.changes, right.changes):
            if lbot < lfv and rbot < rfv:
                continue
            ly_top = left.blockBoundingGeometry(ldoc.findBlockByNumber(ltop)).translated(lorigin).y()
            ly_bot = left.blockBoundingGeometry(ldoc.findBlockByNumber(lbot)).translated(lorigin).y()
            ry_top = right.blockBoundingGeometry(rdoc.findBlockByNumber(rtop)).translated(rorigin).y()
            ry_bot = right.blockBoundingGeometry(rdoc.findBlockByNumber(rbot)).translated(rorigin).y()
            if max(ly_top, ly_bot, ry_top, ry_bot) < 0:
                continue
            if min(ly_top, ly_bot, ry_top, ry_bot) > h:
                break

            upper_line = create_line(ly_top, ry_top)
            lower_line = create_line(ly_bot, ry_bot, True)

            region = QPainterPath()
            region.moveTo(0, ly_top)
            region.connectPath(upper_line)
            region.lineTo(w, ry_bot)
            region.connectPath(lower_line)
            region.closeSubpath()

            painter.fillPath(region, left.diff_backgrounds[kind])
            for path, aa in zip((upper_line, lower_line), (ly_top != ry_top, ly_bot != ry_bot)):
                lines.append((kind, path, aa))

        for kind, path, aa in sorted(lines, key=lambda x:{'replace':0}.get(x[0], 1)):
            painter.setPen(left.diff_foregrounds[kind])
            painter.setRenderHints(QPainter.Antialiasing, aa)
            painter.drawPath(path)

        painter.setFont(left.heading_font)
        for (lnum, text), (rnum, text) in zip(left.headers, right.headers):
            ltop, lbot, rtop, rbot = lnum, lnum + 3, rnum, rnum + 3
            if lbot < lfv and rbot < rfv:
                continue
            ly_top = left.blockBoundingGeometry(ldoc.findBlockByNumber(ltop)).translated(lorigin).y()
            ly_bot = left.blockBoundingGeometry(ldoc.findBlockByNumber(lbot)).translated(lorigin).y()
            ry_top = right.blockBoundingGeometry(rdoc.findBlockByNumber(rtop)).translated(rorigin).y()
            ry_bot = right.blockBoundingGeometry(rdoc.findBlockByNumber(rbot)).translated(rorigin).y()
            if max(ly_top, ly_bot, ry_top, ry_bot) < 0:
                continue
            if min(ly_top, ly_bot, ry_top, ry_bot) > h:
                break
            ly = painter.boundingRect(3, ly_top, left.width(), ly_bot - ly_top - 5, Qt.TextSingleLine, text).bottom() + 3
            ry = painter.boundingRect(3, ry_top, right.width(), ry_bot - ry_top - 5, Qt.TextSingleLine, text).bottom() + 3
            line = create_line(ly, ry)
            painter.setPen(QPen(left.palette().text(), 2))
            painter.setRenderHints(QPainter.Antialiasing, ly != ry)
            painter.drawPath(line)

        painter.end()
        # Paint the splitter without the change lines if the mouse is over the
        # splitter
        if getattr(self, 'hover', False):
            QSplitterHandle.paintEvent(self, event)
开发者ID:AtulKumar2,项目名称:calibre,代码行数:85,代码来源:view.py


注:本文中的PyQt5.Qt.QPainterPath.connectPath方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。