Car/Css/ichartjs/docs/zh/html/ichart_linesegment.html
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<title>iChart.LineSegment-Document</title>
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<body class='ichartjs_page'>
<div class='ichartjs_p_5'><div class='ichartjs_title ichartjs_radius2 ichartjs_p_5'><div class='ichartjs_inline ichartjs_left'>概览 </div><a class='ichartjs_anchor' href='#configs'>配置项</a><a class='ichartjs_anchor' href='#events'>事件</a><a class='ichartjs_anchor' href='#methods'>方法</a></div><div class='ichartjs_overview_content'>
<span class='ichartjs_class'>LineSegment</span> <br/><div class='ichartjs_p_10 ichartjs_m_10 ichartjs_color ichartjs_inline ichartjs_radius5'><div class='ichartjs_font_600 ichartjs_h_25'>
层次树</div>
<div class='ichartjs_h_18'><span class='ichartjs_h_18'><a href="ichart_element.html" target="main" >iChart.Element</a></span>
</div>
<div class='ichartjs_h_18'><span class='ichartjs_indent'><div class='ichartjs_tree'></div></span><span class='ichartjs_h_18'><a href="ichart_painter.html" target="main" >iChart.Painter</a></span>
</div>
<div class='ichartjs_h_18'><span class='ichartjs_indent'></span><span class='ichartjs_indent'><div class='ichartjs_tree'></div></span><span class='ichartjs_h_18'><a href="ichart_component.html" target="main" >iChart.Component</a></span>
</div>
<div class='ichartjs_h_18'><span class='ichartjs_indent'></span><span class='ichartjs_indent'></span><span class='ichartjs_indent'><div class='ichartjs_tree'></div></span><span class='ichartjs_h_18'><a href="ichart_linesegment.html" target="main" >iChart.LineSegment</a></span>
</div>
</div><br/>线段组件类。<br/>
<br/
</div></div><div class='ichartjs_p_5' id='configs' name='configs'><div class='ichartjs_title ichartjs_p_5'>配置项</div><table class='ichartjs_table'><tr class='ichartjs_table_header'><th class='ichartjs_table_parameter'>参数</th><th class='ichartjs_table_type'>类型</th><th class='ichartjs_table_description'>描述</th><th class='ichartjs_table_definedBy'>定义者</th></tr><tr class='ichartjs_even'><td id='ichart_link_area_color'>area_color</td><td>String</td><td>指定渲染为一个区域图时的区域部分背景颜色。默认为线段颜色的亮色。(默认为null)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_background_color'>background_color</td><td>String</td><td>组件中背景颜色(填充色)的值。(默认为'FEFEFE')<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_border'>border</td><td>Object</td><td>此处设置了开启边框配置项。<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_brushsize'>brushsize</td><td>Number</td><td>线段的粗细，组件中context的linewidth属性的大小。(默认为1)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_color_factor'>color_factor</td><td>float(0.01 - 0.5)</td><td>颜色因子，指示其颜色相对于背景色的变化量,值越大，变化值越大(越亮或者越暗)(默认为0.15)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_event_range_x'>event_range_x</td><td>Number</td><td>x轴方向事件触发范围。单位px。此项会根据点的平均分布自动计算。(默认为0)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_event_range_y'>event_range_y</td><td>Number</td><td>x轴方向事件触发范围。单位px。默认为配置项point_size的大小。<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_fontunit'>fontunit</td><td>String</td><td>此组件中文字的尺寸的单位。(默认为'px')<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_component.html" target="main" >Component</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_gradient'>gradient</td><td>Boolean</td><td>True表示开启渐变效果.(默认为false)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_gradient_mode'>gradient_mode</td><td>String</td><td>背景渐变的样式。(默认为'LinearGradientUpDown')<br/>
@Option 'LinearGradientUpDown'<br/>
@Option 'LinearGradientDownUp'<br/>
@Option 'LinearGradientLeftRight'<br/>
@Option 'LinearGradientRightLeft'<br/>
@Option 'RadialGradientOutIn'<br/>
@Option 'RadialGradientInOut'<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_hollow'>hollow</td><td>Boolean</td><td>指定两个线段结合处的圆点是否为空心。(默认为true)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_hollow_color'>hollow_color</td><td>String</td><td>指定空心的背景色。(默认为'#FEFEFE')<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_hollow_inside'>hollow_inside</td><td>Boolean</td><td>为True时，空心的颜色为hollow_color指定，外环颜色与线段颜色一致。否则，情况相反。(默认为true)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_intersection'>intersection</td><td>Boolean</td><td>线段是否在的结合点处突出显示。(默认为true)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_label'>label</td><td><a href='ichart_text.html'>iChart.Text</a></td><td>标签的配置项。(默认为空对象)<br/>
注意:禁用标签，则需设置为false即可。<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_limit_y'>limit_y</td><td>Boolean</td><td>为真时，事件仅当进入y轴事件范围(配置项event_range_y)内才触发。否则只考虑x轴。(默认为false)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_listeners'>listeners</td><td>Object</td><td>事件的配置项。(默认为null)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_offsetx'>offsetx</td><td>Number</td><td>组件中水平偏移量，正数向右，负数向左。单位像素。(默认为0)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_offsety'>offsety</td><td>Number</td><td>组件中垂直偏移量，正数向下，负数向上。单位像素。(默认为0)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_originx'>originx</td><td>Number</td><td>图表原点x坐标，不指定会根据对齐方式计算。(默认为null)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_originy'>originy</td><td>Number</td><td>图表原点y坐标，不指定会根据对齐方式计算。(默认为null)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_padding'>padding</td><td>Number</td><td>组件中内边框的值,规则与css中的一致，单位像素。(默认为10)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_point_size'>point_size</td><td>Number</td><td>结合点处的大小。单位px。(默认为6)。仅当配置项intersection为true生效。<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_shadow'>shadow</td><td>Boolean</td><td>此组件是否启用阴影效果。启用阴影在移动客户端上可能会引起渲染速度变慢。(默认为false)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_element.html" target="main" >Element</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_shadow_blur'>shadow_blur</td><td>Number</td><td>覆盖默认值，设置为1<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_shadow_color'>shadow_color</td><td>String</td><td>此组件阴影的颜色值.(默认为'#666666')<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_element.html" target="main" >Element</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_shadow_offsetx'>shadow_offsetx</td><td>Number</td><td>此组件阴影的x轴偏移量,单位px。(默认为0)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_element.html" target="main" >Element</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_shadow_offsety'>shadow_offsety</td><td>Number</td><td>覆盖默认值，设置为1<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_sign'>sign</td><td>String</td><td>指定两个线段结合处的形状。(默认为'round')。仅当配置项intersection为true生效。<br/>
可选值：<br/>
@Option 'round'<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_smooth'>smooth</td><td>Boolean</td><td>是否渲染为平滑曲线.(默认为false)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_smoothing'>smoothing</td><td>Number</td><td>指定曲线的平滑度。实质上是确定贝塞尔曲线的控制点(默认为1.5)<br/>
1 :控制点在两点多中间, 2 :控制点在点的1/3处,控制点位置通用公式：1/(smoothing + 1)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_strokeStyle'>strokeStyle</td><td>String</td><td>组件中context的strokeStyle属性的值。(默认为'gray')<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_even'><td id='ichart_link_tip_offset'>tip_offset</td><td>Number</td><td>当有提示框时，提示框在点上方的距离。单位px。(默认为2)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_linesegment.html" target="main" >LineSegment</a></td></tr><tr class='ichartjs_odd'><td id='ichart_link_z_index'>z_index</td><td>Number</td><td>组件渲染的顺序，值越大，越靠后渲染，意味着显示在最上层。(默认为 0)<br/></td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr></table></div><div class='ichartjs_p_5' id='events' name='events'><div class='ichartjs_title ichartjs_p_5'>事件</div><table class='ichartjs_table'><tr class='ichartjs_table_header'><th class='ichartjs_table_parameter'>名称</th><th class='ichartjs_table_description'>描述</th><th class='ichartjs_table_definedBy'>定义者</th></tr><tr class='ichartjs_even'><td>beforedraw</td><td><div class='ichartjs_h_25 ichartjs_pl_10'>绘图之前触发，返回false停止绘图行为。<br/></div>
<div class='ichartjs_h_25 ichartjs_pl_10'><div class='ichartjs_stress'>参数<br/></div>
<div class='ichartjs_pl_10'><ul><li>this : LineSegment </li>
</ul></div></div>
</td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td>click</td><td><div class='ichartjs_h_25 ichartjs_pl_10'>点击时触发。<br/></div>
<div class='ichartjs_h_25 ichartjs_pl_10'><div class='ichartjs_stress'>参数<br/></div>
<div class='ichartjs_pl_10'><ul><li>this : LineSegment </li>
<li>e : EventObject 鼠标事件对象</li>
<li>param : Object 额外的参数</li>
</ul></div></div>
</td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_even'><td>draw</td><td><div class='ichartjs_h_25 ichartjs_pl_10'>完成绘图之后触发。<br/></div>
<div class='ichartjs_h_25 ichartjs_pl_10'><div class='ichartjs_stress'>参数<br/></div>
<div class='ichartjs_pl_10'><ul><li>this : LineSegment </li>
</ul></div></div>
</td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td>initialize</td><td><div class='ichartjs_h_25 ichartjs_pl_10'>初始化完成之后触发。<br/></div>
<div class='ichartjs_h_25 ichartjs_pl_10'><div class='ichartjs_stress'>参数<br/></div>
<div class='ichartjs_pl_10'><ul><li>this : LineSegment </li>
</ul></div></div>
</td><td class='ichartjs_right ichartjs_stress'><a href="ichart_element.html" target="main" >Element</a></td></tr><tr class='ichartjs_even'><td>mousemove</td><td><div class='ichartjs_h_25 ichartjs_pl_10'>鼠标移动时触发。<br/></div>
<div class='ichartjs_h_25 ichartjs_pl_10'><div class='ichartjs_stress'>参数<br/></div>
<div class='ichartjs_pl_10'><ul><li>this : LineSegment </li>
<li>e : EventObject 鼠标事件对象</li>
</ul></div></div>
</td><td class='ichartjs_right ichartjs_stress'><a href="ichart_painter.html" target="main" >Painter</a></td></tr><tr class='ichartjs_odd'><td>mouseout</td><td><div class='ichartjs_h_25 ichartjs_pl_10'>鼠标在离开时触发。<br/></div>
<div class='ichartjs_h_25 ichartjs_pl_10'><div class='ichartjs_stress'>参数<br/></div>
<div class='ichartjs_pl_10'><ul><li>this : LineSegment </li>
<li>e : EventObject 鼠标事件对象</li>
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