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HTML
932 lines
29 KiB
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<div class="col-md-9">
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<!-- ============================== class title ============================ -->
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<h1 style="margin-top:0;">
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Matrix
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</h1><hr style="margin-top:10px;" />
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<!-- ============================== class summary ========================== -->
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<p class="description">
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<span style="display:block;margin:0 0 2px 0;">
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<b style="margin-right:10px;">模块</b> hilo/geom/Matrix
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</span>
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<span style="display:block;margin:0 0 2px 0;">
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<b style="margin-right:10px;">依赖</b>
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<span><a href="../symbols/Class.html">hilo/core/Class</a></span>
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</span>
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<span style="display:block;margin:0 0 2px 0;">
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<b style="margin-right:10px;">源码</b>
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<a href="../symbols/src/docs_api-zh_code_geom_Matrix.js.html">Matrix.js</a>
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</span>
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<br>
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Matrix类表示一个转换矩阵，它确定如何将点从一个坐标空间映射到另一个坐标空间。
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</p>
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<!-- ============================== properties summary ===================== -->
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<!-- ============================== methods summary ======================== -->
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<div style="margin:30px 0 5px; 0">
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<h3 style="display:inline;margin-right:10px;">方法概览</h3>
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</div>
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<table class="table table-striped table-bordered table-condensed table-symbol" cellspacing="0">
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<thead>
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<tr>
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<th scope="col"></th>
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<th scope="col">方法</th>
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<th scope="col">定义于</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td></td>
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<td>
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<div class="fixedFont">
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<b><a href="#constructor">Matrix</a></b>(a:Number, b:Number, c:Number, d:Number, tx:Number, ty:Number)
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</div>
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<div class="description">构造函数</div>
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</td>
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<td>Matrix</td>
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</tr>
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<tr >
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<td>
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</td>
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<td class="fixedFont">
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<div><b><a href="../symbols/Matrix.html#clone">clone</a></b>():Matrix
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</div>
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<div class="description">
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clone
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</div>
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</td>
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<td>
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Matrix
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</td>
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</tr>
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<tr >
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<td>
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</td>
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<td class="fixedFont">
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<div><b><a href="../symbols/Matrix.html#concat">concat</a></b>(mtx:<a href="../symbols/Matrix.html">Matrix</a>):Matrix
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||
</div>
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<div class="description">
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||
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将某个矩阵与当前矩阵连接，从而将这两个矩阵的几何效果有效地结合在一起。
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</div>
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</td>
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<td>
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Matrix
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</td>
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</tr>
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<tr >
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<td>
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||
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||
</td>
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<td class="fixedFont">
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<div><b><a href="../symbols/Matrix.html#copy">copy</a></b>(mat:<a href="../symbols/Matrix.html">Matrix</a>):Matrix
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||
</div>
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||
<div class="description">
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||
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||
copy
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||
</div>
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||
</td>
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||
<td>
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||
Matrix
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||
</td>
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||
</tr>
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||
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<tr >
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||
<td>
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||
|
||
</td>
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||
<td class="fixedFont">
|
||
<div><b><a href="../symbols/Matrix.html#identity">identity</a></b>():Matrix
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||
</div>
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||
<div class="description">
|
||
|
||
为每个矩阵属性设置一个值，该值将导致 null 转换。通过应用恒等矩阵转换的对象将与原始对象完全相同。
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||
</div>
|
||
</td>
|
||
<td>
|
||
Matrix
|
||
</td>
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||
</tr>
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||
|
||
|
||
<tr >
|
||
<td>
|
||
|
||
</td>
|
||
<td class="fixedFont">
|
||
<div><b><a href="../symbols/Matrix.html#invert">invert</a></b>():Matrix
|
||
</div>
|
||
<div class="description">
|
||
|
||
执行原始矩阵的逆转换。您可以将一个逆矩阵应用于对象来撤消在应用原始矩阵时执行的转换。
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||
</div>
|
||
</td>
|
||
<td>
|
||
Matrix
|
||
</td>
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||
</tr>
|
||
|
||
|
||
<tr >
|
||
<td>
|
||
|
||
</td>
|
||
<td class="fixedFont">
|
||
<div><b><a href="../symbols/Matrix.html#rotate">rotate</a></b>(angle:Number):Matrix
|
||
</div>
|
||
<div class="description">
|
||
|
||
对 Matrix 对象应用旋转转换。
|
||
</div>
|
||
</td>
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||
<td>
|
||
Matrix
|
||
</td>
|
||
</tr>
|
||
|
||
|
||
<tr >
|
||
<td>
|
||
|
||
</td>
|
||
<td class="fixedFont">
|
||
<div><b><a href="../symbols/Matrix.html#scale">scale</a></b>(sx:Number, sy:Number):Matrix
|
||
</div>
|
||
<div class="description">
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||
|
||
对矩阵应用缩放转换。
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||
</div>
|
||
</td>
|
||
<td>
|
||
Matrix
|
||
</td>
|
||
</tr>
|
||
|
||
|
||
<tr >
|
||
<td>
|
||
|
||
</td>
|
||
<td class="fixedFont">
|
||
<div><b><a href="../symbols/Matrix.html#set">set</a></b>(a:Number, b:Number, c:Number, d:Number, tx:Number, ty:Number)
|
||
</div>
|
||
<div class="description">
|
||
|
||
set
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||
</div>
|
||
</td>
|
||
<td>
|
||
Matrix
|
||
</td>
|
||
</tr>
|
||
|
||
|
||
<tr >
|
||
<td>
|
||
|
||
</td>
|
||
<td class="fixedFont">
|
||
<div><b><a href="../symbols/Matrix.html#transformPoint">transformPoint</a></b>(point:Object, round:Boolean, returnNew:Boolean):Object
|
||
</div>
|
||
<div class="description">
|
||
|
||
返回将 Matrix 对象表示的几何转换应用于指定点所产生的结果。
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||
</div>
|
||
</td>
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||
<td>
|
||
Matrix
|
||
</td>
|
||
</tr>
|
||
|
||
|
||
<tr >
|
||
<td>
|
||
|
||
</td>
|
||
<td class="fixedFont">
|
||
<div><b><a href="../symbols/Matrix.html#translate">translate</a></b>(dx:Number, dy:Number):Matrix
|
||
</div>
|
||
<div class="description">
|
||
|
||
沿 x 和 y 轴平移矩阵，由 dx 和 dy 参数指定。
|
||
</div>
|
||
</td>
|
||
<td>
|
||
Matrix
|
||
</td>
|
||
</tr>
|
||
|
||
</tbody>
|
||
</table>
|
||
|
||
|
||
<script type="text/javascript">
|
||
function toggleMethods(){
|
||
var alink = $('#methodToggleIcon');
|
||
if(alink.hasClass('glyphicon-circle-arrow-right')){
|
||
alink.removeClass('glyphicon-circle-arrow-right');
|
||
alink.addClass('glyphicon-circle-arrow-down');
|
||
$('#methodToggleTip').html('隐藏继承方法');
|
||
$('.inheritMethod').show();
|
||
}else{
|
||
alink.removeClass('glyphicon-circle-arrow-down');
|
||
alink.addClass('glyphicon-circle-arrow-right');
|
||
$('#methodToggleTip').html('显示继承方法');
|
||
$('.inheritMethod').hide();
|
||
}
|
||
}
|
||
</script>
|
||
|
||
|
||
<!-- ============================== field details ========================== -->
|
||
|
||
|
||
<!-- ============================== constructor details ==================== -->
|
||
|
||
<br/>
|
||
<div class="details">
|
||
<a class="anchor" name="constructor"> </a>
|
||
<div class="">
|
||
<h3 style="margin-bottom:15px;">构造函数</h3>
|
||
</div>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
<b>Matrix</b>(a:Number, b:Number, c:Number, d:Number, tx:Number, ty:Number)
|
||
</div>
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">parameters</span></dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>a</b>:<span>Number</span>
|
||
— 缩放或旋转图像时影响像素沿 x 轴定位的值。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>b</b>:<span>Number</span>
|
||
— 旋转或倾斜图像时影响像素沿 y 轴定位的值。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>c</b>:<span>Number</span>
|
||
— 旋转或倾斜图像时影响像素沿 x 轴定位的值。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>d</b>:<span>Number</span>
|
||
— 缩放或旋转图像时影响像素沿 y 轴定位的值。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>tx</b>:<span>Number</span>
|
||
— 沿 x 轴平移每个点的距离。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>ty</b>:<span>Number</span>
|
||
— 沿 y 轴平移每个点的距离。
|
||
</dt>
|
||
|
||
</dl>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
|
||
<!-- ============================== method details ========================= -->
|
||
|
||
<br/>
|
||
<div class=""><h3 style="margin-bottom:15px;">方法详情</h3></div>
|
||
|
||
<a class="anchor" name="clone"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>clone</b>():<span class="light"><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
</div>
|
||
<div class="description">clone</div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span><a href="../symbols/Matrix.html">Matrix</a></span> — </dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="concat"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>concat</b>(mtx:<a href="../symbols/Matrix.html">Matrix</a>):<span class="light"><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
</div>
|
||
<div class="description">将某个矩阵与当前矩阵连接，从而将这两个矩阵的几何效果有效地结合在一起。</div>
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">parameters</span></dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>mtx</b>:<span><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
— 要连接到源矩阵的矩阵。
|
||
</dt>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span><a href="../symbols/Matrix.html">Matrix</a></span> — 一个Matrix对象。</dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="copy"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>copy</b>(mat:<a href="../symbols/Matrix.html">Matrix</a>):<span class="light"><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
</div>
|
||
<div class="description">copy</div>
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">parameters</span></dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>mat</b>:<span><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
—
|
||
</dt>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span><a href="../symbols/Matrix.html">Matrix</a></span> — this</dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="identity"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>identity</b>():<span class="light"><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
</div>
|
||
<div class="description">为每个矩阵属性设置一个值，该值将导致 null 转换。通过应用恒等矩阵转换的对象将与原始对象完全相同。</div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span><a href="../symbols/Matrix.html">Matrix</a></span> — 一个Matrix对象。</dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="invert"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>invert</b>():<span class="light"><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
</div>
|
||
<div class="description">执行原始矩阵的逆转换。您可以将一个逆矩阵应用于对象来撤消在应用原始矩阵时执行的转换。</div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span><a href="../symbols/Matrix.html">Matrix</a></span> — 一个Matrix对象。</dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="rotate"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>rotate</b>(angle:Number):<span class="light"><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
</div>
|
||
<div class="description">对 Matrix 对象应用旋转转换。</div>
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">parameters</span></dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>angle</b>:<span>Number</span>
|
||
— 旋转的角度。
|
||
</dt>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span><a href="../symbols/Matrix.html">Matrix</a></span> — 一个Matrix对象。</dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="scale"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>scale</b>(sx:Number, sy:Number):<span class="light"><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
</div>
|
||
<div class="description">对矩阵应用缩放转换。</div>
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">parameters</span></dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>sx</b>:<span>Number</span>
|
||
— 用于沿 x 轴缩放对象的乘数。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>sy</b>:<span>Number</span>
|
||
— 用于沿 y 轴缩放对象的乘数。
|
||
</dt>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span><a href="../symbols/Matrix.html">Matrix</a></span> — 一个Matrix对象。</dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="set"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>set</b>(a:Number, b:Number, c:Number, d:Number, tx:Number, ty:Number)
|
||
</div>
|
||
<div class="description">set</div>
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">parameters</span></dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>a</b>:<span>Number</span>
|
||
—
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>b</b>:<span>Number</span>
|
||
—
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>c</b>:<span>Number</span>
|
||
—
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>d</b>:<span>Number</span>
|
||
—
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>tx</b>:<span>Number</span>
|
||
—
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>ty</b>:<span>Number</span>
|
||
—
|
||
</dt>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="transformPoint"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>transformPoint</b>(point:Object, round:Boolean, returnNew:Boolean):<span class="light">Object</span>
|
||
</div>
|
||
<div class="description">返回将 Matrix 对象表示的几何转换应用于指定点所产生的结果。</div>
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">parameters</span></dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>point</b>:<span>Object</span>
|
||
— 想要获得其矩阵转换结果的点。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>round</b>:<span>Boolean</span>
|
||
— 是否对点的坐标进行向上取整。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>returnNew</b>:<span>Boolean</span>
|
||
— 是否返回一个新的点。
|
||
</dt>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span>Object</span> — 由应用矩阵转换所产生的点。</dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<a class="anchor" name="translate"> </a>
|
||
<div class="member-box">
|
||
<div class="member-header">
|
||
|
||
<b>translate</b>(dx:Number, dy:Number):<span class="light"><a href="../symbols/Matrix.html">Matrix</a></span>
|
||
</div>
|
||
<div class="description">沿 x 和 y 轴平移矩阵，由 dx 和 dy 参数指定。</div>
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">parameters</span></dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>dx</b>:<span>Number</span>
|
||
— 沿 x 轴向右移动的量（以像素为单位）。
|
||
</dt>
|
||
|
||
<dt style="margin-left:20px;font-weight:normal;">
|
||
<b>dy</b>:<span>Number</span>
|
||
— 沿 y 轴向右移动的量（以像素为单位）。
|
||
</dt>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
|
||
<dl class="detailList">
|
||
<dt class="heading"><span class="label">return</span></dt>
|
||
|
||
<dd style="margin-left:20px;font-weight:normal;"><span><a href="../symbols/Matrix.html">Matrix</a></span> — 一个Matrix对象。</dd>
|
||
|
||
</dl>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
|
||
|
||
</div>
|
||
|
||
</div>
|
||
|
||
<footer class="col-md-12">
|
||
<hr>
|
||
<p>© Hilo 2016</p>
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||
</footer>
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