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page.title=Bitmap
page.customHeadTag=<link rel="stylesheet" type="text/css" href="doxygen-dac.css">
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<a href="#files">Files</a> |
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<div class="title">Bitmap</div> </div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="files"></a>
Files</h2></td></tr>
<tr class="memitem:bitmap_8h"><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="bitmap_8h.html">bitmap.h</a></td></tr>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_android_bitmap_info.html">AndroidBitmapInfo</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:gafb665ac9fefad34ac5c035f5d1314080"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___bitmap.html#gafb665ac9fefad34ac5c035f5d1314080">ANDROID_BITMAP_RESUT_SUCCESS</a>   <a class="el" href="group___bitmap.html#ggadf764cbdea00d65edcd07bb9953ad2b7a07f71cf5c5d4950ac9813ae4bbf6d076">ANDROID_BITMAP_RESULT_SUCCESS</a></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:gadf764cbdea00d65edcd07bb9953ad2b7"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom">{ <a class="el" href="group___bitmap.html#ggadf764cbdea00d65edcd07bb9953ad2b7a07f71cf5c5d4950ac9813ae4bbf6d076">ANDROID_BITMAP_RESULT_SUCCESS</a> = 0,
<a class="el" href="group___bitmap.html#ggadf764cbdea00d65edcd07bb9953ad2b7acf7205d1a348d867c63ac2885ce01374">ANDROID_BITMAP_RESULT_BAD_PARAMETER</a> = -1,
<a class="el" href="group___bitmap.html#ggadf764cbdea00d65edcd07bb9953ad2b7a6b099b9533c38729a6c305f2fe93f98d">ANDROID_BITMAP_RESULT_JNI_EXCEPTION</a> = -2,
<a class="el" href="group___bitmap.html#ggadf764cbdea00d65edcd07bb9953ad2b7a512f5b95b6b57e78d65502c06391f990">ANDROID_BITMAP_RESULT_ALLOCATION_FAILED</a> = -3
}</td></tr>
<tr class="separator:gadf764cbdea00d65edcd07bb9953ad2b7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaea286a2d4c61ae2abb02b51500499f13"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group___bitmap.html#gaea286a2d4c61ae2abb02b51500499f13">AndroidBitmapFormat</a> { <br/>
  <a class="el" href="group___bitmap.html#ggaea286a2d4c61ae2abb02b51500499f13ac6f0378ea5cfefd9abee2596af5a9021">ANDROID_BITMAP_FORMAT_NONE</a> = 0,
<a class="el" href="group___bitmap.html#ggaea286a2d4c61ae2abb02b51500499f13ab92ae96ceea06aa534583beadba84057">ANDROID_BITMAP_FORMAT_RGBA_8888</a> = 1,
<a class="el" href="group___bitmap.html#ggaea286a2d4c61ae2abb02b51500499f13a11b32e10d6db28fae70ec3590cb9ee91">ANDROID_BITMAP_FORMAT_RGB_565</a> = 4,
<a class="el" href="group___bitmap.html#ggaea286a2d4c61ae2abb02b51500499f13adc2ede06eafe20439271cb8137dc7528">ANDROID_BITMAP_FORMAT_RGBA_4444</a> = 7,
<br/>
  <a class="el" href="group___bitmap.html#ggaea286a2d4c61ae2abb02b51500499f13ad29996be25f8f88c96e016a1da5c4bca">ANDROID_BITMAP_FORMAT_A_8</a> = 8
<br/>
}</td></tr>
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</table><table class="memberdecls">
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Functions</h2></td></tr>
<tr class="memitem:ga80292ee39d8a675928e38849742b54bf"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___bitmap.html#ga80292ee39d8a675928e38849742b54bf">AndroidBitmap_getInfo</a> (JNIEnv *env, jobject jbitmap, <a class="el" href="struct_android_bitmap_info.html">AndroidBitmapInfo</a> *info)</td></tr>
<tr class="separator:ga80292ee39d8a675928e38849742b54bf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2908d42fa4db286c34b7f8c11f29206f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___bitmap.html#ga2908d42fa4db286c34b7f8c11f29206f">AndroidBitmap_lockPixels</a> (JNIEnv *env, jobject jbitmap, void **addrPtr)</td></tr>
<tr class="separator:ga2908d42fa4db286c34b7f8c11f29206f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga4aca91f37baddd42d0051dca8179d4ed"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___bitmap.html#ga4aca91f37baddd42d0051dca8179d4ed">AndroidBitmap_unlockPixels</a> (JNIEnv *env, jobject jbitmap)</td></tr>
<tr class="separator:ga4aca91f37baddd42d0051dca8179d4ed"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="gafb665ac9fefad34ac5c035f5d1314080"></a>
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<td class="memname">#define ANDROID_BITMAP_RESUT_SUCCESS   <a class="el" href="group___bitmap.html#ggadf764cbdea00d65edcd07bb9953ad2b7a07f71cf5c5d4950ac9813ae4bbf6d076">ANDROID_BITMAP_RESULT_SUCCESS</a></td>
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<p>Backward compatibility: this macro used to be misspelled. </p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">anonymous enum</td>
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<p>AndroidBitmap functions result code. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggadf764cbdea00d65edcd07bb9953ad2b7a07f71cf5c5d4950ac9813ae4bbf6d076"></a>ANDROID_BITMAP_RESULT_SUCCESS</em> </td><td class="fielddoc">
<p>Operation was successful. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggadf764cbdea00d65edcd07bb9953ad2b7acf7205d1a348d867c63ac2885ce01374"></a>ANDROID_BITMAP_RESULT_BAD_PARAMETER</em> </td><td class="fielddoc">
<p>Bad parameter. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggadf764cbdea00d65edcd07bb9953ad2b7a6b099b9533c38729a6c305f2fe93f98d"></a>ANDROID_BITMAP_RESULT_JNI_EXCEPTION</em> </td><td class="fielddoc">
<p>JNI exception occured. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggadf764cbdea00d65edcd07bb9953ad2b7a512f5b95b6b57e78d65502c06391f990"></a>ANDROID_BITMAP_RESULT_ALLOCATION_FAILED</em> </td><td class="fielddoc">
<p>Allocation failed. </p>
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<a class="anchor" id="gaea286a2d4c61ae2abb02b51500499f13"></a>
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<td class="memname">enum <a class="el" href="group___bitmap.html#gaea286a2d4c61ae2abb02b51500499f13">AndroidBitmapFormat</a></td>
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<p>Bitmap pixel format. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggaea286a2d4c61ae2abb02b51500499f13ac6f0378ea5cfefd9abee2596af5a9021"></a>ANDROID_BITMAP_FORMAT_NONE</em> </td><td class="fielddoc">
<p>No format. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggaea286a2d4c61ae2abb02b51500499f13ab92ae96ceea06aa534583beadba84057"></a>ANDROID_BITMAP_FORMAT_RGBA_8888</em> </td><td class="fielddoc">
<p>Red: 8 bits, Green: 8 bits, Blue: 8 bits, Alpha: 8 bits. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggaea286a2d4c61ae2abb02b51500499f13a11b32e10d6db28fae70ec3590cb9ee91"></a>ANDROID_BITMAP_FORMAT_RGB_565</em> </td><td class="fielddoc">
<p>Red: 5 bits, Green: 6 bits, Blue: 5 bits. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggaea286a2d4c61ae2abb02b51500499f13adc2ede06eafe20439271cb8137dc7528"></a>ANDROID_BITMAP_FORMAT_RGBA_4444</em> </td><td class="fielddoc">
<p>Red: 4 bits, Green: 4 bits, Blue: 4 bits, Alpha: 4 bits. </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggaea286a2d4c61ae2abb02b51500499f13ad29996be25f8f88c96e016a1da5c4bca"></a>ANDROID_BITMAP_FORMAT_A_8</em> </td><td class="fielddoc">
<p>Deprecated. </p>
</td></tr>
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</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga80292ee39d8a675928e38849742b54bf"></a>
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<td class="memname">int AndroidBitmap_getInfo </td>
<td>(</td>
<td class="paramtype">JNIEnv * </td>
<td class="paramname"><em>env</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">jobject </td>
<td class="paramname"><em>jbitmap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_android_bitmap_info.html">AndroidBitmapInfo</a> * </td>
<td class="paramname"><em>info</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Given a java bitmap object, fill out the <a class="el" href="struct_android_bitmap_info.html">AndroidBitmapInfo</a> struct for it. If the call fails, the info parameter will be ignored. </p>
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<a class="anchor" id="ga2908d42fa4db286c34b7f8c11f29206f"></a>
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<td class="memname">int AndroidBitmap_lockPixels </td>
<td>(</td>
<td class="paramtype">JNIEnv * </td>
<td class="paramname"><em>env</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">jobject </td>
<td class="paramname"><em>jbitmap</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">void ** </td>
<td class="paramname"><em>addrPtr</em> </td>
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<td>)</td>
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<p>Given a java bitmap object, attempt to lock the pixel address. Locking will ensure that the memory for the pixels will not move until the unlockPixels call, and ensure that, if the pixels had been previously purged, they will have been restored.</p>
<p>If this call succeeds, it must be balanced by a call to AndroidBitmap_unlockPixels, after which time the address of the pixels should no longer be used.</p>
<p>If this succeeds, *addrPtr will be set to the pixel address. If the call fails, addrPtr will be ignored. </p>
</div>
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<td class="memname">int AndroidBitmap_unlockPixels </td>
<td>(</td>
<td class="paramtype">JNIEnv * </td>
<td class="paramname"><em>env</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">jobject </td>
<td class="paramname"><em>jbitmap</em> </td>
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<td>)</td>
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<p>Call this to balance a successful call to AndroidBitmap_lockPixels. </p>
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