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| <h1>include/core/SkUtils.h</h1><a href="_sk_utils_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
| <a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2006 The Android Open Source Project</span> |
| <a name="l00003"></a>00003 <span class="comment"> *</span> |
| <a name="l00004"></a>00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span> |
| <a name="l00005"></a>00005 <span class="comment"> * you may not use this file except in compliance with the License.</span> |
| <a name="l00006"></a>00006 <span class="comment"> * You may obtain a copy of the License at</span> |
| <a name="l00007"></a>00007 <span class="comment"> *</span> |
| <a name="l00008"></a>00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <a name="l00009"></a>00009 <span class="comment"> *</span> |
| <a name="l00010"></a>00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span> |
| <a name="l00011"></a>00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <a name="l00012"></a>00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <a name="l00013"></a>00013 <span class="comment"> * See the License for the specific language governing permissions and</span> |
| <a name="l00014"></a>00014 <span class="comment"> * limitations under the License.</span> |
| <a name="l00015"></a>00015 <span class="comment"> */</span> |
| <a name="l00016"></a>00016 |
| <a name="l00017"></a>00017 <span class="preprocessor">#ifndef SkUtils_DEFINED</span> |
| <a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define SkUtils_DEFINED</span> |
| <a name="l00019"></a>00019 <span class="preprocessor"></span> |
| <a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="_sk_types_8h.html">SkTypes.h</a>"</span> |
| <a name="l00021"></a>00021 |
| <a name="l00023"></a>00023 |
| <a name="l00029"></a>00029 <span class="keywordtype">void</span> <a class="code" href="_sk_utils_8h.html#a002dc003baee54b54435d8da63c37e79">sk_memset16_portable</a>(uint16_t dst[], uint16_t value, <span class="keywordtype">int</span> count); |
| <a name="l00030"></a>00030 |
| <a name="l00036"></a>00036 <span class="keywordtype">void</span> <a class="code" href="_sk_utils_8h.html#a86adca75d5d8d6eb9f077658c0c37a87">sk_memset32_portable</a>(uint32_t dst[], uint32_t value, <span class="keywordtype">int</span> count); |
| <a name="l00037"></a>00037 |
| <a name="l00038"></a>00038 <span class="preprocessor">#ifdef ANDROID</span> |
| <a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor"> #include "cutils/memory.h"</span> |
| <a name="l00040"></a>00040 |
| <a name="l00041"></a>00041 <span class="preprocessor"> #define sk_memset16(dst, value, count) android_memset16(dst, value, (count) << 1)</span> |
| <a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor"> #define sk_memset32(dst, value, count) android_memset32(dst, value, (count) << 2)</span> |
| <a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
| <a name="l00044"></a>00044 <span class="preprocessor"></span> |
| <a name="l00045"></a>00045 <span class="preprocessor">#ifndef sk_memset16</span> |
| <a name="l00046"></a><a class="code" href="_sk_utils_8h.html#a0e3001f7398e2b92e05f61dd4e73e8f2">00046</a> <span class="preprocessor"></span><span class="preprocessor"> #define sk_memset16(dst, value, count) sk_memset16_portable(dst, value, count)</span> |
| <a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
| <a name="l00048"></a>00048 <span class="preprocessor"></span> |
| <a name="l00049"></a>00049 <span class="preprocessor">#ifndef sk_memset32</span> |
| <a name="l00050"></a><a class="code" href="_sk_utils_8h.html#a5dad9281749ed4738c99baa286bffb9f">00050</a> <span class="preprocessor"></span><span class="preprocessor"> #define sk_memset32(dst, value, count) sk_memset32_portable(dst, value, count)</span> |
| <a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
| <a name="l00052"></a>00052 <span class="preprocessor"></span> |
| <a name="l00053"></a>00053 |
| <a name="l00055"></a>00055 |
| <a name="l00056"></a><a class="code" href="_sk_utils_8h.html#a6bb6767bdb87843b548362731820ac97">00056</a> <span class="preprocessor">#define kMaxBytesInUTF8Sequence 4</span> |
| <a name="l00057"></a>00057 <span class="preprocessor"></span> |
| <a name="l00058"></a>00058 <span class="preprocessor">#ifdef SK_DEBUG</span> |
| <a name="l00059"></a>00059 <span class="preprocessor"></span> <span class="keywordtype">int</span> <a class="code" href="_sk_utils_8h.html#a81e0ac851ac7a040352ff9a78e2dc399">SkUTF8_LeadByteToCount</a>(<span class="keywordtype">unsigned</span> c); |
| <a name="l00060"></a>00060 <span class="preprocessor">#else</span> |
| <a name="l00061"></a>00061 <span class="preprocessor"></span><span class="preprocessor"> #define SkUTF8_LeadByteToCount(c) ((((0xE5 << 24) >> ((unsigned)c >> 4 << 1)) & 3) + 1)</span> |
| <a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
| <a name="l00063"></a>00063 <span class="preprocessor"></span> |
| <a name="l00064"></a><a class="code" href="_sk_utils_8h.html#ab98ed7dbc7b8e90b74338378430b460d">00064</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="_sk_utils_8h.html#ab98ed7dbc7b8e90b74338378430b460d">SkUTF8_CountUTF8Bytes</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> utf8[]) |
| <a name="l00065"></a>00065 { |
| <a name="l00066"></a>00066 <a class="code" href="_sk_types_8h.html#acc82ca88a67ae7ce95a107a9a4b81123">SkASSERT</a>(utf8); |
| <a name="l00067"></a>00067 <span class="keywordflow">return</span> <a class="code" href="_sk_utils_8h.html#a81e0ac851ac7a040352ff9a78e2dc399">SkUTF8_LeadByteToCount</a>(*(<span class="keyword">const</span> uint8_t*)utf8); |
| <a name="l00068"></a>00068 } |
| <a name="l00069"></a>00069 |
| <a name="l00070"></a>00070 <span class="keywordtype">int</span> <a class="code" href="_sk_utils_8h.html#aaa3c0646e8dcbc1acd542e2afdb81d29">SkUTF8_CountUnichars</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> utf8[]); |
| <a name="l00071"></a>00071 <span class="keywordtype">int</span> <a class="code" href="_sk_utils_8h.html#aaa3c0646e8dcbc1acd542e2afdb81d29">SkUTF8_CountUnichars</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> utf8[], <span class="keywordtype">size_t</span> byteLength); |
| <a name="l00072"></a>00072 <a class="code" href="_sk_types_8h.html#a0b73f568570c6560e0a4f2713cb36d06">SkUnichar</a> <a class="code" href="_sk_utils_8h.html#ac64518ca517b92bdcdce6cd5a0a084cc">SkUTF8_ToUnichar</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> utf8[]); |
| <a name="l00073"></a>00073 <a class="code" href="_sk_types_8h.html#a0b73f568570c6560e0a4f2713cb36d06">SkUnichar</a> <a class="code" href="_sk_utils_8h.html#abb5acde66a3b99025723ba75093da3aa">SkUTF8_NextUnichar</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>**); |
| <a name="l00074"></a>00074 <a class="code" href="_sk_types_8h.html#a0b73f568570c6560e0a4f2713cb36d06">SkUnichar</a> <a class="code" href="_sk_utils_8h.html#ac0cbcd99e761fdfe86320a186ca50af8">SkUTF8_PrevUnichar</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>**); |
| <a name="l00075"></a>00075 |
| <a name="l00080"></a>00080 <span class="keywordtype">size_t</span> <a class="code" href="_sk_utils_8h.html#a5f1869cdc37e6bc4ea07a0d57d71b33b">SkUTF8_FromUnichar</a>(<a class="code" href="_sk_types_8h.html#a0b73f568570c6560e0a4f2713cb36d06">SkUnichar</a> uni, <span class="keywordtype">char</span> utf8[] = NULL); |
| <a name="l00081"></a>00081 |
| <a name="l00083"></a>00083 |
| <a name="l00084"></a><a class="code" href="_sk_utils_8h.html#a11fa7fd96e79c44f4e95f1d4b9621f63">00084</a> <span class="preprocessor">#define SkUTF16_IsHighSurrogate(c) (((c) & 0xFC00) == 0xD800)</span> |
| <a name="l00085"></a><a class="code" href="_sk_utils_8h.html#abb339617d8ab310151876eee2faa9555">00085</a> <span class="preprocessor"></span><span class="preprocessor">#define SkUTF16_IsLowSurrogate(c) (((c) & 0xFC00) == 0xDC00)</span> |
| <a name="l00086"></a>00086 <span class="preprocessor"></span> |
| <a name="l00087"></a>00087 <span class="keywordtype">int</span> <a class="code" href="_sk_utils_8h.html#a1856aca1295ca11fd5e07c442694806c">SkUTF16_CountUnichars</a>(<span class="keyword">const</span> uint16_t utf16[]); |
| <a name="l00088"></a>00088 <span class="keywordtype">int</span> <a class="code" href="_sk_utils_8h.html#a1856aca1295ca11fd5e07c442694806c">SkUTF16_CountUnichars</a>(<span class="keyword">const</span> uint16_t utf16[], |
| <a name="l00089"></a>00089 <span class="keywordtype">int</span> numberOf16BitValues); |
| <a name="l00090"></a>00090 <span class="comment">// returns the current unichar and then moves past it (*p++)</span> |
| <a name="l00091"></a>00091 <a class="code" href="_sk_types_8h.html#a0b73f568570c6560e0a4f2713cb36d06">SkUnichar</a> <a class="code" href="_sk_utils_8h.html#ac620ec9eed1635bd6555645a945bbb52">SkUTF16_NextUnichar</a>(<span class="keyword">const</span> uint16_t**); |
| <a name="l00092"></a>00092 <span class="comment">// this guy backs up to the previus unichar value, and returns it (*--p)</span> |
| <a name="l00093"></a>00093 <a class="code" href="_sk_types_8h.html#a0b73f568570c6560e0a4f2713cb36d06">SkUnichar</a> <a class="code" href="_sk_utils_8h.html#acd921166099fd7c6c32c272bc5d20a00">SkUTF16_PrevUnichar</a>(<span class="keyword">const</span> uint16_t**); |
| <a name="l00094"></a>00094 <span class="keywordtype">size_t</span> <a class="code" href="_sk_utils_8h.html#a128bb1ac8320f3d7a23760b1fb7159d7">SkUTF16_FromUnichar</a>(<a class="code" href="_sk_types_8h.html#a0b73f568570c6560e0a4f2713cb36d06">SkUnichar</a> uni, uint16_t utf16[] = NULL); |
| <a name="l00095"></a>00095 |
| <a name="l00096"></a>00096 <span class="keywordtype">size_t</span> <a class="code" href="_sk_utils_8h.html#a6562d10c22c9753af2484340e3450e2b">SkUTF16_ToUTF8</a>(<span class="keyword">const</span> uint16_t utf16[], <span class="keywordtype">int</span> numberOf16BitValues, |
| <a name="l00097"></a>00097 <span class="keywordtype">char</span> utf8[] = NULL); |
| <a name="l00098"></a>00098 |
| <a name="l00100"></a>00100 |
| <a name="l00101"></a><a class="code" href="class_sk_auto_trace.html">00101</a> <span class="keyword">class </span><a class="code" href="class_sk_auto_trace.html">SkAutoTrace</a> { |
| <a name="l00102"></a>00102 <span class="keyword">public</span>: |
| <a name="l00106"></a><a class="code" href="class_sk_auto_trace.html#af317b8496102275ac7a3d91409f58c8d">00106</a> <a class="code" href="class_sk_auto_trace.html#af317b8496102275ac7a3d91409f58c8d">SkAutoTrace</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> label[]) : fLabel(label) { |
| <a name="l00107"></a>00107 <a class="code" href="_sk_types_8h.html#a6ce8c418ee09f469724436386871c01e">SkDebugf</a>(<span class="stringliteral">"--- trace: %s Enter\n"</span>, fLabel); |
| <a name="l00108"></a>00108 } |
| <a name="l00109"></a><a class="code" href="class_sk_auto_trace.html#a7aa18722e14f1e827505f0499e9e836f">00109</a> <a class="code" href="class_sk_auto_trace.html#a7aa18722e14f1e827505f0499e9e836f">~SkAutoTrace</a>() { |
| <a name="l00110"></a>00110 <a class="code" href="_sk_types_8h.html#a6ce8c418ee09f469724436386871c01e">SkDebugf</a>(<span class="stringliteral">"--- trace: %s Leave\n"</span>, fLabel); |
| <a name="l00111"></a>00111 } |
| <a name="l00112"></a>00112 <span class="keyword">private</span>: |
| <a name="l00113"></a>00113 <span class="keyword">const</span> <span class="keywordtype">char</span>* fLabel; |
| <a name="l00114"></a>00114 }; |
| <a name="l00115"></a>00115 |
| <a name="l00117"></a>00117 |
| <a name="l00118"></a><a class="code" href="class_sk_auto_memory_usage_probe.html">00118</a> <span class="keyword">class </span><a class="code" href="class_sk_auto_memory_usage_probe.html">SkAutoMemoryUsageProbe</a> { |
| <a name="l00119"></a>00119 <span class="keyword">public</span>: |
| <a name="l00125"></a>00125 <a class="code" href="class_sk_auto_memory_usage_probe.html#aafd2742127e724c232332a894e5407a8">SkAutoMemoryUsageProbe</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> label[]); |
| <a name="l00126"></a>00126 <a class="code" href="class_sk_auto_memory_usage_probe.html#aaae759521fe9d98f1aab49cfd4fcc2f1">~SkAutoMemoryUsageProbe</a>(); |
| <a name="l00127"></a>00127 <span class="keyword">private</span>: |
| <a name="l00128"></a>00128 <span class="keyword">const</span> <span class="keywordtype">char</span>* fLabel; |
| <a name="l00129"></a>00129 <span class="keywordtype">size_t</span> fBytesAllocated; |
| <a name="l00130"></a>00130 }; |
| <a name="l00131"></a>00131 |
| <a name="l00132"></a>00132 <span class="preprocessor">#endif</span> |
| <a name="l00133"></a>00133 <span class="preprocessor"></span> |
| </pre></div></div> |
| <hr size="1"/><address style="text-align: right;"><small>Generated on Tue Oct 20 11:03:40 2009 for Skia by |
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| <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address> |
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