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Python QPainterPath.quadTo方法代码示例

本文整理汇总了Python中PyQt5.Qt.QPainterPath.quadTo方法的典型用法代码示例。如果您正苦于以下问题:Python QPainterPath.quadTo方法的具体用法?Python QPainterPath.quadTo怎么用?Python QPainterPath.quadTo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.quadTo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: svg_path_to_painter_path

# 需要导入模块: from PyQt5.Qt import QPainterPath [as 别名]
# 或者: from PyQt5.Qt.QPainterPath import quadTo [as 别名]

#.........这里部分代码省略.........
        cmd = data.read(1) if repeated_command is None else repeated_command
        repeated_command = None

        if cmd == b' ':
            continue
        elif cmd == moveto_abs:
            x, y = parse_float(), parse_float()
            path.moveTo(x, y)
        elif cmd == moveto_rel:
            x += parse_float()
            y += parse_float()
            path.moveTo(x, y)
        elif cmd == closepath1 or cmd == closepath2:
            path.closeSubpath()
        elif cmd == lineto_abs:
            x, y = parse_floats(2)
            path.lineTo(x, y)
        elif cmd == lineto_rel:
            x += parse_float()
            y += parse_float()
            path.lineTo(x, y)
        elif cmd == hline_abs:
            x = parse_float()
            path.lineTo(x, y)
        elif cmd == hline_rel:
            x += parse_float()
            path.lineTo(x, y)
        elif cmd == vline_abs:
            y = parse_float()
            path.lineTo(x, y)
        elif cmd == vline_rel:
            y += parse_float()
            path.lineTo(x, y)
        elif cmd == curveto_abs:
            x1, y1, x2, y2, x, y = parse_floats(6)
            path.cubicTo(x1, y1, x2, y2, x, y)
        elif cmd == curveto_rel:
            x1, y1, x2, y2, x, y = parse_floats(6, x, y)
            path.cubicTo(x1, y1, x2, y2, x, y)
        elif cmd == smoothcurveto_abs:
            if last_cmd == curveto_abs or last_cmd == curveto_rel or last_cmd == smoothcurveto_abs or last_cmd == smoothcurveto_rel:
                x1 = 2 * x - x2
                y1 = 2 * y - y2
            else:
                x1, y1 = x, y
            x2, y2, x, y = parse_floats(4)
            path.cubicTo(x1, y1, x2, y2, x, y)
        elif cmd == smoothcurveto_rel:
            if last_cmd == curveto_abs or last_cmd == curveto_rel or last_cmd == smoothcurveto_abs or last_cmd == smoothcurveto_rel:
                x1 = 2 * x - x2
                y1 = 2 * y - y2
            else:
                x1, y1 = x, y
            x2, y2, x, y = parse_floats(4, x, y)
            path.cubicTo(x1, y1, x2, y2, x, y)
        elif cmd == quadcurveto_abs:
            x1, y1, x, y = parse_floats(4)
            path.quadTo(x1, y1, x, y)
        elif cmd == quadcurveto_rel:
            x1, y1, x, y = parse_floats(4, x, y)
            path.quadTo(x1, y1, x, y)
        elif cmd == smoothquadcurveto_abs:
            if last_cmd in (quadcurveto_abs, quadcurveto_rel, smoothquadcurveto_abs, smoothquadcurveto_rel):
                x1 = 2 * x - x1
                y1 = 2 * y - y1
            else:
                x1, y1 = x, y
            x, y = parse_floats(2)
            path.quadTo(x1, y1, x, y)
        elif cmd == smoothquadcurveto_rel:
            if last_cmd in (quadcurveto_abs, quadcurveto_rel, smoothquadcurveto_abs, smoothquadcurveto_rel):
                x1 = 2 * x - x1
                y1 = 2 * y - y1
            else:
                x1, y1 = x, y
            x, y = parse_floats(2, x, y)
            path.quadTo(x1, y1, x, y)
        elif cmd[0] in b'-.' or b'0' <= cmd[0] <= b'9':
            # A new number begins
            # In this case, multiple parameters tuples are specified for the last command
            # We rewind to reparse data correctly
            data.seek(-1, os.SEEK_CUR)

            # Handle extra parameters
            if last_cmd == moveto_abs:
                repeated_command = cmd = lineto_abs
            elif last_cmd == moveto_rel:
                repeated_command = cmd = lineto_rel
            elif last_cmd in (closepath1, closepath2):
                raise ValueError('Extra parameters after close path command')
            elif last_cmd in (
                lineto_abs, lineto_rel, hline_abs, hline_rel, vline_abs,
                vline_rel, curveto_abs, curveto_rel,smoothcurveto_abs,
                smoothcurveto_rel, quadcurveto_abs, quadcurveto_rel,
                smoothquadcurveto_abs, smoothquadcurveto_rel
            ):
                repeated_command = cmd = last_cmd
        else:
            raise ValueError('Unknown path command: %s' % cmd)
    return path
开发者ID:Coi-l,项目名称:calibre,代码行数:104,代码来源:speedups.py


注:本文中的PyQt5.Qt.QPainterPath.quadTo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。