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| <h1>SkPath.h</h1><div class="fragment"><pre class="fragment">00001 <span class="preprocessor">#ifndef SkPath_DEFINED</span> |
| 00002 <span class="preprocessor"></span><span class="preprocessor">#define SkPath_DEFINED</span> |
| 00003 <span class="preprocessor"></span> |
| 00004 <span class="preprocessor">#include "SkMatrix.h"</span> |
| 00005 <span class="preprocessor">#include "SkTDArray.h"</span> |
| 00006 |
| <a name="l00012"></a><a class="code" href="classSkPath.html">00012</a> <span class="keyword">class </span><a class="code" href="classSkPath.html">SkPath</a> { |
| 00013 <span class="keyword">public</span>: |
| 00014 <a class="code" href="classSkPath.html">SkPath</a>(); |
| 00015 <a class="code" href="classSkPath.html">SkPath</a>(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>&); |
| 00016 ~<a class="code" href="classSkPath.html">SkPath</a>(); |
| 00017 |
| 00018 <a class="code" href="classSkPath.html">SkPath</a>& operator=(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>&); |
| 00019 |
| <a name="l00020"></a><a class="code" href="classSkPath.html#w12">00020</a> <span class="keyword">enum</span> <a class="code" href="classSkPath.html#w12">FillType</a> { |
| 00021 <a class="code" href="classSkPath.html#w12w0">kWinding_FillType</a>, |
| 00022 <a class="code" href="classSkPath.html#w12w1">kEvenOdd_FillType</a> |
| 00023 }; |
| <a name="l00027"></a><a class="code" href="classSkPath.html#a4">00027</a> <a class="code" href="classSkPath.html#w12">FillType</a> <a class="code" href="classSkPath.html#a4">getFillType</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (<a class="code" href="classSkPath.html#w12">FillType</a>)fFillType; } |
| <a name="l00031"></a><a class="code" href="classSkPath.html#a5">00031</a> <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a5">setFillType</a>(FillType ft) { fFillType = SkToU8(ft); } |
| 00032 |
| 00036 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a6">reset</a>(); |
| 00039 <span class="keywordtype">bool</span> <a class="code" href="classSkPath.html#a7">isEmpty</a>() <span class="keyword">const</span>; |
| 00046 <span class="keywordtype">bool</span> <a class="code" href="classSkPath.html#a8">isRect</a>(SkRect* rect) <span class="keyword">const</span>; |
| 00052 <span class="keywordtype">int</span> <a class="code" href="classSkPath.html#a9">getPoints</a>(SkPoint points[], <span class="keywordtype">int</span> max) <span class="keyword">const</span>; |
| 00054 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a10">swap</a>(<a class="code" href="classSkPath.html">SkPath</a>& other); |
| 00055 |
| <a name="l00056"></a><a class="code" href="classSkPath.html#w13">00056</a> <span class="keyword">enum</span> <a class="code" href="classSkPath.html#w13">BoundsType</a> { |
| 00057 <a class="code" href="classSkPath.html#w13w2">kFast_BoundsType</a>, |
| 00058 <a class="code" href="classSkPath.html#w13w3">kExact_BoundsType</a> |
| 00059 }; |
| 00063 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a11">computeBounds</a>(SkRect* bounds, BoundsType btype) <span class="keyword">const</span>; |
| 00064 |
| 00065 <span class="comment">// Construction methods</span> |
| 00066 |
| 00067 <span class="keywordtype">void</span> incReserve(U16CPU extraPtCount); |
| 00068 |
| 00071 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a13">moveTo</a>(SkScalar x, SkScalar y); |
| 00075 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a14">rMoveTo</a>(SkScalar x, SkScalar y); |
| 00079 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a15">lineTo</a>(SkScalar x, SkScalar y); |
| 00083 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a16">rLineTo</a>(SkScalar x, SkScalar y); |
| 00088 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a17">quadTo</a>(SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2); |
| 00092 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a18">rQuadTo</a>(SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2); |
| 00097 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a19">cubicTo</a>(SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2, SkScalar x3, SkScalar y3); |
| 00101 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a20">rCubicTo</a>(SkScalar x1, SkScalar y1, SkScalar x2, SkScalar y2, SkScalar x3, SkScalar y3); |
| 00105 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a21">close</a>(); |
| 00106 |
| 00107 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a13">moveTo</a>(<span class="keyword">const</span> SkPoint& p) |
| 00108 { |
| 00109 this-><a class="code" href="classSkPath.html#a13">moveTo</a>(p.fX, p.fY); |
| 00110 } |
| 00111 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a15">lineTo</a>(<span class="keyword">const</span> SkPoint& p1) |
| 00112 { |
| 00113 this-><a class="code" href="classSkPath.html#a15">lineTo</a>(p1.fX, p1.fY); |
| 00114 } |
| 00115 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a17">quadTo</a>(<span class="keyword">const</span> SkPoint& p1, <span class="keyword">const</span> SkPoint& p2) |
| 00116 { |
| 00117 this-><a class="code" href="classSkPath.html#a17">quadTo</a>(p1.fX, p1.fY, p2.fX, p2.fY); |
| 00118 } |
| 00119 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a19">cubicTo</a>(<span class="keyword">const</span> SkPoint& p1, <span class="keyword">const</span> SkPoint& p2, <span class="keyword">const</span> SkPoint& p3) |
| 00120 { |
| 00121 this-><a class="code" href="classSkPath.html#a19">cubicTo</a>(p1.fX, p1.fY, p2.fX, p2.fY, p3.fX, p3.fY); |
| 00122 } |
| 00123 |
| <a name="l00124"></a><a class="code" href="classSkPath.html#w14">00124</a> <span class="keyword">enum</span> <a class="code" href="classSkPath.html#w14">Direction</a> { |
| 00125 <a class="code" href="classSkPath.html#w14w4">kCW_Direction</a>, |
| 00126 <a class="code" href="classSkPath.html#w14w5">kCCW_Direction</a> |
| 00127 }; |
| 00130 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a26">addRect</a>(<span class="keyword">const</span> SkRect&, Direction dir = kCW_Direction); |
| 00133 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a27">addOval</a>(<span class="keyword">const</span> SkRect&, Direction dir = kCW_Direction); |
| 00136 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a28">addCircle</a>(SkScalar x, SkScalar y, SkScalar radius, Direction dir = kCW_Direction); |
| 00139 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a29">addRoundRect</a>(<span class="keyword">const</span> SkRect&, SkScalar rx, SkScalar ry, Direction dir = kCW_Direction); |
| 00142 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a30">addPath</a>(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>& src, SkScalar dx, SkScalar dy); |
| <a name="l00145"></a><a class="code" href="classSkPath.html#a31">00145</a> <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a30">addPath</a>(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>& src) { SkMatrix m; m.reset(); this-><a class="code" href="classSkPath.html#a30">addPath</a>(src, m); } |
| 00148 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a30">addPath</a>(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>& src, <span class="keyword">const</span> SkMatrix& matrix); |
| 00149 |
| 00152 <span class="keywordtype">bool</span> <a class="code" href="classSkPath.html#a33">offset</a>(SkScalar dx, SkScalar dy); |
| 00156 <span class="keywordtype">bool</span> <a class="code" href="classSkPath.html#a34">transform</a>(<span class="keyword">const</span> SkMatrix&, <a class="code" href="classSkPath.html">SkPath</a>* dst) <span class="keyword">const</span>; |
| <a name="l00160"></a><a class="code" href="classSkPath.html#a35">00160</a> <span class="keywordtype">bool</span> <a class="code" href="classSkPath.html#a34">transform</a>(<span class="keyword">const</span> SkMatrix& map) |
| 00161 { |
| 00162 <span class="keywordflow">return</span> this-><a class="code" href="classSkPath.html#a34">transform</a>(map, <span class="keyword">this</span>); |
| 00163 } |
| 00164 |
| 00167 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a36">getLastPt</a>(SkPoint* lastPt) <span class="keyword">const</span>; |
| 00170 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a37">setLastPt</a>(SkScalar x, SkScalar y); |
| 00171 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a37">setLastPt</a>(<span class="keyword">const</span> SkPoint& pt) { this-><a class="code" href="classSkPath.html#a37">setLastPt</a>(pt.fX, pt.fY); } |
| 00172 |
| <a name="l00173"></a><a class="code" href="classSkPath.html#w15">00173</a> <span class="keyword">enum</span> <a class="code" href="classSkPath.html#w15">Verb</a> { |
| 00174 <a class="code" href="classSkPath.html#w15w6">kMove_Verb</a>, |
| 00175 <a class="code" href="classSkPath.html#w15w7">kLine_Verb</a>, |
| 00176 <a class="code" href="classSkPath.html#w15w8">kQuad_Verb</a>, |
| 00177 <a class="code" href="classSkPath.html#w15w9">kCubic_Verb</a>, |
| 00178 <a class="code" href="classSkPath.html#w15w10">kClose_Verb</a>, |
| 00179 <a class="code" href="classSkPath.html#w15w11">kDone_Verb</a> |
| 00180 }; |
| <a name="l00184"></a><a class="code" href="classSkPath_1_1Iter.html">00184</a> <span class="keyword">class </span><a class="code" href="classSkPath_1_1Iter.html">Iter</a> { |
| 00185 <span class="keyword">public</span>: |
| 00186 <a class="code" href="classSkPath_1_1Iter.html">Iter</a>(); |
| 00187 <a class="code" href="classSkPath_1_1Iter.html">Iter</a>(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>&, <span class="keywordtype">bool</span> forceClose); |
| 00188 <span class="keywordtype">void</span> setPath(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>&, <span class="keywordtype">bool</span> forceClose); |
| 00189 |
| 00190 Verb next(SkPoint pts[4]); |
| 00191 |
| <a name="l00198"></a><a class="code" href="classSkPath_1_1Iter.html#a4">00198</a> <span class="keywordtype">bool</span> <a class="code" href="classSkPath_1_1Iter.html#a4">isCloseLine</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> SkToBool(fCloseLine); } |
| 00199 |
| 00200 <span class="comment">//* returns true if the current contour is closed (has a kClose_Verb)</span> |
| 00201 <span class="keywordtype">bool</span> isClosedContour() <span class="keyword">const</span>; |
| 00202 |
| 00203 <span class="keyword">private</span>: |
| 00204 <span class="keyword">const</span> SkPoint* fPts; |
| 00205 <span class="keyword">const</span> U8* fVerbs; |
| 00206 <span class="keyword">const</span> U8* fVerbStop; |
| 00207 SkPoint fMoveTo; |
| 00208 SkPoint fLastPt; |
| 00209 U8 fForceClose; |
| 00210 U8 fNeedClose; |
| 00211 U8 fNeedMoveTo; |
| 00212 U8 fCloseLine; |
| 00213 |
| 00214 <span class="keywordtype">bool</span> cons_moveTo(SkPoint pts[1]); |
| 00215 Verb autoClose(SkPoint pts[2]); |
| 00216 }; |
| 00217 |
| 00218 <span class="preprocessor">#ifdef SK_DEBUG</span> |
| 00219 <span class="preprocessor"></span> |
| 00220 <span class="keywordtype">void</span> dump(<span class="keywordtype">bool</span> forceClose, <span class="keyword">const</span> <span class="keywordtype">char</span> title[] = nil) <span class="keyword">const</span>; |
| 00221 <span class="keyword">static</span> <span class="keywordtype">void</span> UnitTest(); |
| 00223 <span class="preprocessor">#endif</span> |
| 00224 <span class="preprocessor"></span> |
| 00230 U32 <a class="code" href="classSkPath.html#a39">flatten</a>(<span class="keywordtype">void</span>* bufferOrNil) <span class="keyword">const</span>; |
| 00231 <span class="keywordtype">void</span> unflatten(<span class="keyword">const</span> <span class="keywordtype">void</span>* buffer); |
| 00232 |
| 00237 <span class="keywordtype">void</span> <a class="code" href="classSkPath.html#a41">subdivide</a>(SkScalar dist, <span class="keywordtype">bool</span> bendLines, <a class="code" href="classSkPath.html">SkPath</a>* dst = nil) <span class="keyword">const</span>; |
| 00238 |
| 00239 <span class="keyword">private</span>: |
| 00240 SkTDArray<SkPoint> fPts; |
| 00241 SkTDArray<U8> fVerbs; |
| 00242 U8 fFillType; |
| 00243 |
| 00244 <span class="keyword">friend</span> <span class="keyword">class </span>Iter; |
| 00245 <span class="keywordtype">void</span> cons_moveto(); |
| 00246 |
| 00247 <span class="keyword">friend</span> <span class="keyword">class </span>SkPathStroker; |
| 00248 <span class="comment">/* Append the first contour of path, ignoring path's initial point.</span> |
| 00249 <span class="comment"> If no moveTo() call has been made for this contour, the first point is automatically set to (0,0).</span> |
| 00250 <span class="comment"> */</span> |
| 00251 <span class="keywordtype">void</span> pathTo(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>& path); |
| 00252 <span class="comment">/* Append, in reverse order, the first contour of path, ignoring path's last point.</span> |
| 00253 <span class="comment"> If no moveTo() call has been made for this contour, the first point is automatically set to (0,0).</span> |
| 00254 <span class="comment"> */</span> |
| 00255 <span class="keywordtype">void</span> reversePathTo(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>&); |
| 00256 |
| 00257 <span class="keyword">friend</span> <span class="keyword">const</span> SkPoint* sk_get_path_points(<span class="keyword">const</span> <a class="code" href="classSkPath.html">SkPath</a>&, <span class="keywordtype">int</span> index); |
| 00258 }; |
| 00259 |
| 00260 <span class="preprocessor">#endif</span> |
| 00261 <span class="preprocessor"></span> |
| </pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue May 9 14:35:23 2006 for SGL by |
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