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<div id="projectbrief">C Image Processing Library</div>
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<h1>affine_reg.c</h1> </div>
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<a href="affine__reg_8c.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) 2001 Leptonica. All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment"> - This software is distributed in the hope that it will be</span>
<a name="l00004"></a>00004 <span class="comment"> - useful, but with NO WARRANTY OF ANY KIND.</span>
<a name="l00005"></a>00005 <span class="comment"> - No author or distributor accepts responsibility to anyone for the</span>
<a name="l00006"></a>00006 <span class="comment"> - consequences of using this software, or for whether it serves any</span>
<a name="l00007"></a>00007 <span class="comment"> - particular purpose or works at all, unless he or she says so in</span>
<a name="l00008"></a>00008 <span class="comment"> - writing. Everyone is granted permission to copy, modify and</span>
<a name="l00009"></a>00009 <span class="comment"> - redistribute this source code, for commercial or non-commercial</span>
<a name="l00010"></a>00010 <span class="comment"> - purposes, with the following restrictions: (1) the origin of this</span>
<a name="l00011"></a>00011 <span class="comment"> - source code must not be misrepresented; (2) modified versions must</span>
<a name="l00012"></a>00012 <span class="comment"> - be plainly marked as such; and (3) this notice may not be removed</span>
<a name="l00013"></a>00013 <span class="comment"> - or altered from any source or modified source distribution.</span>
<a name="l00014"></a>00014 <span class="comment"> *====================================================================*/</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="comment">/*</span>
<a name="l00017"></a>00017 <span class="comment"> * affine_reg.c</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#include "allheaders.h"</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">MakePtas</a>(<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, <a class="code" href="struct_pta.html">PTA</a> **pptas, <a class="code" href="struct_pta.html">PTA</a> **pptad);
<a name="l00024"></a>00024 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#a48e075bb9d15cf54ad737b95cb38c5ce">RenderHashedBoxa</a>(<a class="code" href="struct_pix.html">PIX</a> *pixt, <a class="code" href="struct_boxa.html">BOXA</a> *boxa, <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i);
<a name="l00025"></a>00025
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="comment">/* Sample values.</span>
<a name="l00028"></a>00028 <span class="comment"> * 1-3: invertability tests</span>
<a name="l00029"></a>00029 <span class="comment"> * 4: comparison between sampling and sequential</span>
<a name="l00030"></a>00030 <span class="comment"> * 5: test with large distortion</span>
<a name="l00031"></a>00031 <span class="comment"> */</span>
<a name="l00032"></a><a class="code" href="affine__reg_8c.html#ae7a35515457046b7539c24062cf94d40">00032</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#ae7a35515457046b7539c24062cf94d40">x1</a>[] = { 300, 300, 300, 95, 32};
<a name="l00033"></a><a class="code" href="affine__reg_8c.html#af3df0e6eba20b6ae09d0111c121aac36">00033</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#af3df0e6eba20b6ae09d0111c121aac36">y1</a>[] = {1200, 1200, 1250, 2821, 934};
<a name="l00034"></a><a class="code" href="affine__reg_8c.html#ad85afc03d55324b175bbccc3ecfc983c">00034</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#ad85afc03d55324b175bbccc3ecfc983c">x2</a>[] = {1200, 1200, 1125, 1432, 487};
<a name="l00035"></a><a class="code" href="affine__reg_8c.html#a5afb8355b4d1b35dd123f44f1743d9f4">00035</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#a5afb8355b4d1b35dd123f44f1743d9f4">y2</a>[] = {1100, 1100, 1100, 2682, 934};
<a name="l00036"></a><a class="code" href="affine__reg_8c.html#a41b607021994d7ad321d656d6682186b">00036</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#a41b607021994d7ad321d656d6682186b">x3</a>[] = { 200, 200, 200, 232, 32};
<a name="l00037"></a><a class="code" href="affine__reg_8c.html#a769632df957fc825d7e04fd49f64fa7d">00037</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#a769632df957fc825d7e04fd49f64fa7d">y3</a>[] = { 200, 200, 200, 657, 67};
<a name="l00038"></a>00038
<a name="l00039"></a><a class="code" href="affine__reg_8c.html#a90abedfb0d3ad72c0884e41ad210ce01">00039</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#a90abedfb0d3ad72c0884e41ad210ce01">xp1</a>[] = { 500, 300, 350, 117, 32};
<a name="l00040"></a><a class="code" href="affine__reg_8c.html#af3de5dbf441d71c9361003f8e62c7381">00040</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#af3de5dbf441d71c9361003f8e62c7381">yp1</a>[] = {1700, 1400, 1400, 2629, 934};
<a name="l00041"></a><a class="code" href="affine__reg_8c.html#ababdb9060ab17fd3252e0b350a15fc9f">00041</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#ababdb9060ab17fd3252e0b350a15fc9f">xp2</a>[] = {850, 1400, 1400, 1464, 487};
<a name="l00042"></a><a class="code" href="affine__reg_8c.html#a22a25412a29a42e3722ecd24ce18383d">00042</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#a22a25412a29a42e3722ecd24ce18383d">yp2</a>[] = {850, 1500, 1500, 2432, 804};
<a name="l00043"></a><a class="code" href="affine__reg_8c.html#a5585097c449df32229fb091ed91adda4">00043</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#a5585097c449df32229fb091ed91adda4">xp3</a>[] = { 450, 200, 400, 183, 61};
<a name="l00044"></a><a class="code" href="affine__reg_8c.html#ad5fe7cd9e7eea80ee560191015de1b2a">00044</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#ad5fe7cd9e7eea80ee560191015de1b2a">yp3</a>[] = { 300, 300, 400, 490, 83};
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="affine__reg_8c.html#aa87e30b093f1c5aeb58f0f413f49151e">00046</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#aa87e30b093f1c5aeb58f0f413f49151e">SHIFTX</a> = 44;
<a name="l00047"></a><a class="code" href="affine__reg_8c.html#af573608baffcd0ce942f32b19e5989ec">00047</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> <a class="code" href="affine__reg_8c.html#af573608baffcd0ce942f32b19e5989ec">SHIFTY</a> = 39;
<a name="l00048"></a><a class="code" href="affine__reg_8c.html#a1c602c134aa38e832526f6d2920bef6b">00048</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#af59419416d96ecf5fca70c8d05adb456">l_float32</a> <a class="code" href="affine__reg_8c.html#a1c602c134aa38e832526f6d2920bef6b">SCALEX</a> = 0.83;
<a name="l00049"></a><a class="code" href="affine__reg_8c.html#a7d2f8592ff74bbdc268b5098ea78a4d8">00049</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#af59419416d96ecf5fca70c8d05adb456">l_float32</a> <a class="code" href="affine__reg_8c.html#a7d2f8592ff74bbdc268b5098ea78a4d8">SCALEY</a> = 0.78;
<a name="l00050"></a><a class="code" href="affine__reg_8c.html#a2412b9ef21c6ed58800c251ae72d0cdb">00050</a> <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="environ_8h.html#af59419416d96ecf5fca70c8d05adb456">l_float32</a> <a class="code" href="affine__reg_8c.html#a2412b9ef21c6ed58800c251ae72d0cdb">ROTATION</a> = 0.11; <span class="comment">/* radian */</span>
<a name="l00051"></a>00051
<a name="l00052"></a><a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">00052</a> <span class="preprocessor">#define ADDED_BORDER_PIXELS 1000</span>
<a name="l00053"></a><a class="code" href="affine__reg_8c.html#a1edd1ea8bddaf4d9c5eb3eae1ee1726a">00053</a> <span class="preprocessor"></span><span class="preprocessor">#define ALL 0</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
<a name="l00055"></a>00055
<a name="l00056"></a><a class="code" href="affine__reg_8c.html#a5ea466849f21e6c2be4ef9b2eb8868d3">00056</a> <a class="code" href="src_2endiantest_8c.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>(<span class="keywordtype">int</span> argc,
<a name="l00057"></a>00057 <span class="keywordtype">char</span> **argv)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keywordtype">char</span> bufname[256];
<a name="l00060"></a>00060 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i, j, w, h, d, x, y, wpls;
<a name="l00061"></a>00061 <a class="code" href="environ_8h.html#a4d4d7254020fc95aef5dde8884405358">l_uint32</a> *datas, *lines;
<a name="l00062"></a>00062 <a class="code" href="environ_8h.html#af59419416d96ecf5fca70c8d05adb456">l_float32</a> *vc;
<a name="l00063"></a>00063 <a class="code" href="environ_8h.html#af59419416d96ecf5fca70c8d05adb456">l_float32</a> *mat1, *mat2, *mat3, *mat1i, *mat2i, *mat3i, *matdinv;
<a name="l00064"></a>00064 <a class="code" href="environ_8h.html#af59419416d96ecf5fca70c8d05adb456">l_float32</a> matd[9], matdi[9];
<a name="l00065"></a>00065 <a class="code" href="struct_boxa.html">BOXA</a> *boxa, *boxa2;
<a name="l00066"></a>00066 <a class="code" href="struct_pix.html">PIX</a> *pix, *pixs, *pixb, *pixg, *pixc, *pixcs;
<a name="l00067"></a>00067 <a class="code" href="struct_pix.html">PIX</a> *pixd, *pixt1, *pixt2, *pixt3;
<a name="l00068"></a>00068 <a class="code" href="struct_pixa.html">PIXA</a> *pixa;
<a name="l00069"></a>00069 <a class="code" href="struct_pta.html">PTA</a> *ptas, *ptad;
<a name="l00070"></a>00070 <span class="keyword">static</span> <span class="keywordtype">char</span> mainName[] = <span class="stringliteral">"affine_reg"</span>;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">if</span> (argc != 1)
<a name="l00073"></a>00073 exit(<a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">" Syntax: affine_reg"</span>, mainName, 1));
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keywordflow">if</span> ((pixs = <a class="code" href="leptprotos_8h.html#a84634846cbb5e01df667d6e9241dfc53">pixRead</a>(<span class="stringliteral">"feyn.tif"</span>)) == <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)
<a name="l00076"></a>00076 exit(<a class="code" href="environ_8h.html#a8b17fe871312c2e1613fa694bb78a963">ERROR_INT</a>(<span class="stringliteral">"pixs not made"</span>, mainName, 1));
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="preprocessor">#if ALL</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span> <span class="comment">/* Test invertability of sequential. */</span>
<a name="l00080"></a>00080 pixa = <a class="code" href="leptprotos_8h.html#a7a6d1b9b5457c3dc9bc8f77a39a81147">pixaCreate</a>(0);
<a name="l00081"></a>00081 <span class="keywordflow">for</span> (i = 0; i < 3; i++) {
<a name="l00082"></a>00082 pixb = <a class="code" href="leptprotos_8h.html#a626fa05b9c7055f8362cd10dbe75054a">pixAddBorder</a>(pixs, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a>, 0);
<a name="l00083"></a>00083 <a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">MakePtas</a>(i, &ptas, &ptad);
<a name="l00084"></a>00084 pixt1 = <a class="code" href="affine_8c.html#a0df76221b3ccc27bfb5d0e6da35dfd0f">pixAffineSequential</a>(pixb, ptad, ptas, 0, 0);
<a name="l00085"></a>00085 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt1, pixa, 3, 1, 20, 8);
<a name="l00086"></a>00086 pixt2 = <a class="code" href="affine_8c.html#a0df76221b3ccc27bfb5d0e6da35dfd0f">pixAffineSequential</a>(pixt1, ptas, ptad, 0, 0);
<a name="l00087"></a>00087 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt2, pixa, 3, 0, 20, 0);
<a name="l00088"></a>00088 pixd = <a class="code" href="leptprotos_8h.html#a921220c0b56da24a6e6034497be610d0">pixRemoveBorder</a>(pixt2, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a>);
<a name="l00089"></a>00089 <a class="code" href="leptprotos_8h.html#a2cd1afe6b37580d7de1cdd152d054510">pixXor</a>(pixd, pixd, pixs);
<a name="l00090"></a>00090 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixd, pixa, 3, 0, 20, 0);
<a name="l00091"></a>00091 sprintf(bufname, <span class="stringliteral">"/tmp/junkseq%d.png"</span>, i);
<a name="l00092"></a>00092 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(bufname, pixd, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00093"></a>00093 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixb);
<a name="l00094"></a>00094 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00095"></a>00095 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt2);
<a name="l00096"></a>00096 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00097"></a>00097 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptas);
<a name="l00098"></a>00098 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptad);
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 pixt1 = <a class="code" href="leptprotos_8h.html#a6535561de2a8024c72d75babe15131a9">pixaDisplay</a>(pixa, 0, 0);
<a name="l00102"></a>00102 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junkaffine1.png"</span>, pixt1, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00103"></a>00103 <a class="code" href="leptprotos_8h.html#ae8a779aa459f8d1c386363bf2a5c06f5">pixDisplay</a>(pixt1, 100, 100);
<a name="l00104"></a>00104 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00105"></a>00105 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&pixa);
<a name="l00106"></a>00106 <span class="preprocessor">#endif</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span>
<a name="l00108"></a>00108 <span class="preprocessor">#if ALL </span>
<a name="l00109"></a>00109 <span class="preprocessor"></span> <span class="comment">/* Test invertability of sampling */</span>
<a name="l00110"></a>00110 pixa = <a class="code" href="leptprotos_8h.html#a7a6d1b9b5457c3dc9bc8f77a39a81147">pixaCreate</a>(0);
<a name="l00111"></a>00111 <span class="keywordflow">for</span> (i = 0; i < 3; i++) {
<a name="l00112"></a>00112 pixb = <a class="code" href="leptprotos_8h.html#a626fa05b9c7055f8362cd10dbe75054a">pixAddBorder</a>(pixs, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a>, 0);
<a name="l00113"></a>00113 <a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">MakePtas</a>(i, &ptas, &ptad);
<a name="l00114"></a>00114 pixt1 = <a class="code" href="affine_8c.html#a8e84c9c625b81eaa272a78ba32b2a7ea">pixAffineSampledPta</a>(pixb, ptad, ptas, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00115"></a>00115 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt1, pixa, 3, 1, 20, 8);
<a name="l00116"></a>00116 pixt2 = <a class="code" href="affine_8c.html#a8e84c9c625b81eaa272a78ba32b2a7ea">pixAffineSampledPta</a>(pixt1, ptas, ptad, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00117"></a>00117 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt2, pixa, 3, 0, 20, 0);
<a name="l00118"></a>00118 pixd = <a class="code" href="leptprotos_8h.html#a921220c0b56da24a6e6034497be610d0">pixRemoveBorder</a>(pixt2, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a>);
<a name="l00119"></a>00119 <a class="code" href="leptprotos_8h.html#a2cd1afe6b37580d7de1cdd152d054510">pixXor</a>(pixd, pixd, pixs);
<a name="l00120"></a>00120 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixd, pixa, 3, 0, 20, 0);
<a name="l00121"></a>00121 <span class="keywordflow">if</span> (i == 0) <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junksamp.png"</span>, pixt1, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00122"></a>00122 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixb);
<a name="l00123"></a>00123 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00124"></a>00124 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt2);
<a name="l00125"></a>00125 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00126"></a>00126 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptas);
<a name="l00127"></a>00127 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptad);
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 pixt1 = <a class="code" href="leptprotos_8h.html#a6535561de2a8024c72d75babe15131a9">pixaDisplay</a>(pixa, 0, 0);
<a name="l00131"></a>00131 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junkaffine2.png"</span>, pixt1, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00132"></a>00132 <a class="code" href="leptprotos_8h.html#ae8a779aa459f8d1c386363bf2a5c06f5">pixDisplay</a>(pixt1, 100, 300);
<a name="l00133"></a>00133 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00134"></a>00134 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&pixa);
<a name="l00135"></a>00135 <span class="preprocessor">#endif</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00137"></a>00137 <span class="preprocessor">#if ALL</span>
<a name="l00138"></a>00138 <span class="preprocessor"></span> <span class="comment">/* Test invertability of interpolation on grayscale */</span>
<a name="l00139"></a>00139 pixa = <a class="code" href="leptprotos_8h.html#a7a6d1b9b5457c3dc9bc8f77a39a81147">pixaCreate</a>(0);
<a name="l00140"></a>00140 pixg = <a class="code" href="leptprotos_8h.html#a9099cfa17c039cfdd79a5f89d9fed215">pixScaleToGray3</a>(pixs);
<a name="l00141"></a>00141 <span class="keywordflow">for</span> (i = 0; i < 3; i++) {
<a name="l00142"></a>00142 pixb = <a class="code" href="leptprotos_8h.html#a626fa05b9c7055f8362cd10dbe75054a">pixAddBorder</a>(pixg, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a> / 3, 255);
<a name="l00143"></a>00143 <a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">MakePtas</a>(i, &ptas, &ptad);
<a name="l00144"></a>00144 pixt1 = <a class="code" href="affine_8c.html#a2264192bf053eccba3233b9840590d6e">pixAffinePta</a>(pixb, ptad, ptas, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00145"></a>00145 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt1, pixa, 1, 1, 20, 8);
<a name="l00146"></a>00146 pixt2 = <a class="code" href="affine_8c.html#a2264192bf053eccba3233b9840590d6e">pixAffinePta</a>(pixt1, ptas, ptad, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00147"></a>00147 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt2, pixa, 1, 0, 20, 0);
<a name="l00148"></a>00148 pixd = <a class="code" href="leptprotos_8h.html#a921220c0b56da24a6e6034497be610d0">pixRemoveBorder</a>(pixt2, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a> / 3);
<a name="l00149"></a>00149 <a class="code" href="leptprotos_8h.html#a2cd1afe6b37580d7de1cdd152d054510">pixXor</a>(pixd, pixd, pixg);
<a name="l00150"></a>00150 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixd, pixa, 1, 0, 20, 0);
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (i == 0) <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junkinterp.png"</span>, pixt1, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00152"></a>00152 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixb);
<a name="l00153"></a>00153 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00154"></a>00154 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt2);
<a name="l00155"></a>00155 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00156"></a>00156 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptas);
<a name="l00157"></a>00157 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptad);
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159
<a name="l00160"></a>00160 pixt1 = <a class="code" href="leptprotos_8h.html#a6535561de2a8024c72d75babe15131a9">pixaDisplay</a>(pixa, 0, 0);
<a name="l00161"></a>00161 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junkaffine3.png"</span>, pixt1, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00162"></a>00162 <a class="code" href="leptprotos_8h.html#ae8a779aa459f8d1c386363bf2a5c06f5">pixDisplay</a>(pixt1, 100, 500);
<a name="l00163"></a>00163 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00164"></a>00164 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&pixa);
<a name="l00165"></a>00165 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixg);
<a name="l00166"></a>00166 <span class="preprocessor">#endif</span>
<a name="l00167"></a>00167 <span class="preprocessor"></span>
<a name="l00168"></a>00168 <span class="preprocessor">#if ALL</span>
<a name="l00169"></a>00169 <span class="preprocessor"></span> <span class="comment">/* Test invertability of interpolation on color */</span>
<a name="l00170"></a>00170 pixa = <a class="code" href="leptprotos_8h.html#a7a6d1b9b5457c3dc9bc8f77a39a81147">pixaCreate</a>(0);
<a name="l00171"></a>00171 pixc = <a class="code" href="leptprotos_8h.html#a84634846cbb5e01df667d6e9241dfc53">pixRead</a>(<span class="stringliteral">"test24.jpg"</span>);
<a name="l00172"></a>00172 pixcs = <a class="code" href="leptprotos_8h.html#a18e0b7ac7cdcd84fd24bd4fb3bff832a">pixScale</a>(pixc, 0.3, 0.3);
<a name="l00173"></a>00173 <span class="keywordflow">for</span> (i = 0; i < 3; i++) {
<a name="l00174"></a>00174 pixb = <a class="code" href="leptprotos_8h.html#a626fa05b9c7055f8362cd10dbe75054a">pixAddBorder</a>(pixcs, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a> / 4, 0xffffff00);
<a name="l00175"></a>00175 <a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">MakePtas</a>(i, &ptas, &ptad);
<a name="l00176"></a>00176 pixt1 = <a class="code" href="affine_8c.html#a2264192bf053eccba3233b9840590d6e">pixAffinePta</a>(pixb, ptad, ptas, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00177"></a>00177 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt1, pixa, 1, 1, 20, 32);
<a name="l00178"></a>00178 pixt2 = <a class="code" href="affine_8c.html#a2264192bf053eccba3233b9840590d6e">pixAffinePta</a>(pixt1, ptas, ptad, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00179"></a>00179 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt2, pixa, 1, 0, 20, 0);
<a name="l00180"></a>00180 pixd = <a class="code" href="leptprotos_8h.html#a921220c0b56da24a6e6034497be610d0">pixRemoveBorder</a>(pixt2, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a> / 4);
<a name="l00181"></a>00181 <a class="code" href="leptprotos_8h.html#a2cd1afe6b37580d7de1cdd152d054510">pixXor</a>(pixd, pixd, pixcs);
<a name="l00182"></a>00182 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixd, pixa, 1, 0, 20, 0);
<a name="l00183"></a>00183 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixb);
<a name="l00184"></a>00184 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00185"></a>00185 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt2);
<a name="l00186"></a>00186 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00187"></a>00187 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptas);
<a name="l00188"></a>00188 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptad);
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a>00191 pixt1 = <a class="code" href="leptprotos_8h.html#a6535561de2a8024c72d75babe15131a9">pixaDisplay</a>(pixa, 0, 0);
<a name="l00192"></a>00192 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junkaffine4.png"</span>, pixt1, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00193"></a>00193 <a class="code" href="leptprotos_8h.html#ae8a779aa459f8d1c386363bf2a5c06f5">pixDisplay</a>(pixt1, 100, 500);
<a name="l00194"></a>00194 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00195"></a>00195 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&pixa);
<a name="l00196"></a>00196 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixc);
<a name="l00197"></a>00197 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixcs);
<a name="l00198"></a>00198 <span class="preprocessor">#endif</span>
<a name="l00199"></a>00199 <span class="preprocessor"></span>
<a name="l00200"></a>00200 <span class="preprocessor">#if ALL </span>
<a name="l00201"></a>00201 <span class="preprocessor"></span> <span class="comment">/* Comparison between sequential and sampling */</span>
<a name="l00202"></a>00202 <a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">MakePtas</a>(3, &ptas, &ptad);
<a name="l00203"></a>00203 pixa = <a class="code" href="leptprotos_8h.html#a7a6d1b9b5457c3dc9bc8f77a39a81147">pixaCreate</a>(0);
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">/* Use sequential transforms */</span>
<a name="l00206"></a>00206 pixt1 = <a class="code" href="affine_8c.html#a0df76221b3ccc27bfb5d0e6da35dfd0f">pixAffineSequential</a>(pixs, ptas, ptad,
<a name="l00207"></a>00207 <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a>, <a class="code" href="affine__reg_8c.html#a17aa153fe68ff3c667af50081e053275">ADDED_BORDER_PIXELS</a>);
<a name="l00208"></a>00208 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt1, pixa, 2, 0, 20, 8);
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="comment">/* Use sampled transform */</span>
<a name="l00211"></a>00211 pixt2 = <a class="code" href="affine_8c.html#a8e84c9c625b81eaa272a78ba32b2a7ea">pixAffineSampledPta</a>(pixs, ptas, ptad, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00212"></a>00212 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt2, pixa, 2, 0, 20, 8);
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="comment">/* Compare the results */</span>
<a name="l00215"></a>00215 <a class="code" href="leptprotos_8h.html#a2cd1afe6b37580d7de1cdd152d054510">pixXor</a>(pixt2, pixt2, pixt1);
<a name="l00216"></a>00216 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt2, pixa, 2, 0, 20, 8);
<a name="l00217"></a>00217
<a name="l00218"></a>00218 pixd = <a class="code" href="leptprotos_8h.html#a6535561de2a8024c72d75babe15131a9">pixaDisplay</a>(pixa, 0, 0);
<a name="l00219"></a>00219 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junkaffine5.png"</span>, pixd, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00220"></a>00220 <a class="code" href="leptprotos_8h.html#ae8a779aa459f8d1c386363bf2a5c06f5">pixDisplay</a>(pixd, 100, 700);
<a name="l00221"></a>00221 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00222"></a>00222 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt2);
<a name="l00223"></a>00223 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00224"></a>00224 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&pixa);
<a name="l00225"></a>00225 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptas);
<a name="l00226"></a>00226 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptad);
<a name="l00227"></a>00227 <span class="preprocessor">#endif</span>
<a name="l00228"></a>00228 <span class="preprocessor"></span>
<a name="l00229"></a>00229 <span class="preprocessor">#if ALL </span>
<a name="l00230"></a>00230 <span class="preprocessor"></span> <span class="comment">/* Get timings and test with large distortion */</span>
<a name="l00231"></a>00231 <a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">MakePtas</a>(4, &ptas, &ptad);
<a name="l00232"></a>00232 pixa = <a class="code" href="leptprotos_8h.html#a7a6d1b9b5457c3dc9bc8f77a39a81147">pixaCreate</a>(0);
<a name="l00233"></a>00233 pixg = <a class="code" href="leptprotos_8h.html#a9099cfa17c039cfdd79a5f89d9fed215">pixScaleToGray3</a>(pixs);
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <a class="code" href="leptprotos_8h.html#a3b58105731ea14395c2e99707cb53bd6">startTimer</a>();
<a name="l00236"></a>00236 pixt1 = <a class="code" href="affine_8c.html#a0df76221b3ccc27bfb5d0e6da35dfd0f">pixAffineSequential</a>(pixg, ptas, ptad, 0, 0);
<a name="l00237"></a>00237 fprintf(stderr, <span class="stringliteral">" Time for pixAffineSequentialPta(): %6.2f sec\n"</span>,
<a name="l00238"></a>00238 <a class="code" href="leptprotos_8h.html#a5b08ca0bdebf5dc30d27676baa5a82ba">stopTimer</a>());
<a name="l00239"></a>00239 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt1, pixa, 1, 1, 20, 8);
<a name="l00240"></a>00240
<a name="l00241"></a>00241 <a class="code" href="leptprotos_8h.html#a3b58105731ea14395c2e99707cb53bd6">startTimer</a>();
<a name="l00242"></a>00242 pixt2 = <a class="code" href="affine_8c.html#a8e84c9c625b81eaa272a78ba32b2a7ea">pixAffineSampledPta</a>(pixg, ptas, ptad, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00243"></a>00243 fprintf(stderr, <span class="stringliteral">" Time for pixAffineSampledPta(): %6.2f sec\n"</span>, <a class="code" href="leptprotos_8h.html#a5b08ca0bdebf5dc30d27676baa5a82ba">stopTimer</a>());
<a name="l00244"></a>00244 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt2, pixa, 1, 0, 20, 8);
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <a class="code" href="leptprotos_8h.html#a3b58105731ea14395c2e99707cb53bd6">startTimer</a>();
<a name="l00247"></a>00247 pixt3 = <a class="code" href="affine_8c.html#a2264192bf053eccba3233b9840590d6e">pixAffinePta</a>(pixg, ptas, ptad, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00248"></a>00248 fprintf(stderr, <span class="stringliteral">" Time for pixAffinePta(): %6.2f sec\n"</span>, <a class="code" href="leptprotos_8h.html#a5b08ca0bdebf5dc30d27676baa5a82ba">stopTimer</a>());
<a name="l00249"></a>00249 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt3, pixa, 1, 0, 20, 8);
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <a class="code" href="leptprotos_8h.html#a2cd1afe6b37580d7de1cdd152d054510">pixXor</a>(pixt1, pixt1, pixt2);
<a name="l00252"></a>00252 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt1, pixa, 1, 1, 20, 8);
<a name="l00253"></a>00253 <a class="code" href="leptprotos_8h.html#a2cd1afe6b37580d7de1cdd152d054510">pixXor</a>(pixt2, pixt2, pixt3);
<a name="l00254"></a>00254 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixt2, pixa, 1, 0, 20, 8);
<a name="l00255"></a>00255 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00256"></a>00256 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt2);
<a name="l00257"></a>00257 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt3);
<a name="l00258"></a>00258
<a name="l00259"></a>00259 pixd = <a class="code" href="leptprotos_8h.html#a6535561de2a8024c72d75babe15131a9">pixaDisplay</a>(pixa, 0, 0);
<a name="l00260"></a>00260 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junkaffine6.png"</span>, pixd, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00261"></a>00261 <a class="code" href="leptprotos_8h.html#ae8a779aa459f8d1c386363bf2a5c06f5">pixDisplay</a>(pixd, 100, 900);
<a name="l00262"></a>00262 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00263"></a>00263 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixg);
<a name="l00264"></a>00264 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&pixa);
<a name="l00265"></a>00265 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptas);
<a name="l00266"></a>00266 <a class="code" href="leptprotos_8h.html#a42d592277e3ea9d8f0c308e9db38d8cb">ptaDestroy</a>(&ptad);
<a name="l00267"></a>00267 <span class="preprocessor">#endif</span>
<a name="l00268"></a>00268 <span class="preprocessor"></span>
<a name="l00269"></a>00269 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixs);
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="preprocessor">#if 1</span>
<a name="l00272"></a>00272 <span class="preprocessor"></span> <span class="comment">/* Set up pix and boxa */</span>
<a name="l00273"></a>00273 pixa = <a class="code" href="leptprotos_8h.html#a7a6d1b9b5457c3dc9bc8f77a39a81147">pixaCreate</a>(0);
<a name="l00274"></a>00274 pix = <a class="code" href="leptprotos_8h.html#a84634846cbb5e01df667d6e9241dfc53">pixRead</a>(<span class="stringliteral">"lucasta.1.300.tif"</span>);
<a name="l00275"></a>00275 <a class="code" href="leptprotos_8h.html#ae714ec2876129a0d14ff3e4c29ee709d">pixTranslate</a>(pix, pix, 70, 0, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00276"></a>00276 pixt1 = <a class="code" href="leptprotos_8h.html#af053ab728f43c759ac375be7cbcc6368">pixCloseBrick</a>(<a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, pix, 14, 5);
<a name="l00277"></a>00277 <a class="code" href="leptprotos_8h.html#a26c7bba90025fe99c89c2ed7c9669d69">pixOpenBrick</a>(pixt1, pixt1, 1, 2);
<a name="l00278"></a>00278 boxa = <a class="code" href="conncomp_8c.html#a31a8af5ee8d794de01c31eff7697bb44">pixConnComp</a>(pixt1, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 8);
<a name="l00279"></a>00279 pixs = <a class="code" href="leptprotos_8h.html#a14716dd95fae40ec7838dc3db6783473">pixConvertTo32</a>(pix);
<a name="l00280"></a>00280 <a class="code" href="leptprotos_8h.html#a11b8bc890f3872b0a19307f4c5a9b41e">pixGetDimensions</a>(pixs, &w, &h, <a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00281"></a>00281 pixc = <a class="code" href="leptprotos_8h.html#a421e342a65236aa6770965d34101e0ee">pixCopy</a>(<a class="code" href="environ_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, pixs);
<a name="l00282"></a>00282 <a class="code" href="affine__reg_8c.html#a48e075bb9d15cf54ad737b95cb38c5ce">RenderHashedBoxa</a>(pixc, boxa, 113);
<a name="l00283"></a>00283 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixc, pixa, 2, 1, 30, 32);
<a name="l00284"></a>00284 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pix);
<a name="l00285"></a>00285 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixc);
<a name="l00286"></a>00286 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixt1);
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="comment">/* Set up an affine transform in matd, and apply it to boxa */</span>
<a name="l00289"></a>00289 mat1 = <a class="code" href="affinecompose_8c.html#abae222833f44c7d4383b35e4ba9a897f">createMatrix2dTranslate</a>(<a class="code" href="affine__reg_8c.html#aa87e30b093f1c5aeb58f0f413f49151e">SHIFTX</a>, <a class="code" href="affine__reg_8c.html#af573608baffcd0ce942f32b19e5989ec">SHIFTY</a>);
<a name="l00290"></a>00290 mat2 = <a class="code" href="affinecompose_8c.html#ae9c3de46f0f6c70209d0b9157346f03b">createMatrix2dScale</a>(<a class="code" href="affine__reg_8c.html#a1c602c134aa38e832526f6d2920bef6b">SCALEX</a>, <a class="code" href="affine__reg_8c.html#a7d2f8592ff74bbdc268b5098ea78a4d8">SCALEY</a>);
<a name="l00291"></a>00291 mat3 = <a class="code" href="affinecompose_8c.html#a4029290170505c2b05de21ddde5ff6bf">createMatrix2dRotate</a>(w / 2, h / 2, <a class="code" href="affine__reg_8c.html#a2412b9ef21c6ed58800c251ae72d0cdb">ROTATION</a>);
<a name="l00292"></a>00292 <a class="code" href="affinecompose_8c.html#a280f230eadd17d0147b1b819ccac995d">l_productMat3</a>(mat3, mat2, mat1, matd, 3);
<a name="l00293"></a>00293 boxa2 = <a class="code" href="affinecompose_8c.html#af0ac474552a001d3bc4930f4138008fc">boxaAffineTransform</a>(boxa, matd);
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <span class="comment">/* Set up the inverse transform in matdi */</span>
<a name="l00296"></a>00296 mat1i = <a class="code" href="affinecompose_8c.html#abae222833f44c7d4383b35e4ba9a897f">createMatrix2dTranslate</a>(-<a class="code" href="affine__reg_8c.html#aa87e30b093f1c5aeb58f0f413f49151e">SHIFTX</a>, -<a class="code" href="affine__reg_8c.html#af573608baffcd0ce942f32b19e5989ec">SHIFTY</a>);
<a name="l00297"></a>00297 mat2i = <a class="code" href="affinecompose_8c.html#ae9c3de46f0f6c70209d0b9157346f03b">createMatrix2dScale</a>(1.0/ <a class="code" href="affine__reg_8c.html#a1c602c134aa38e832526f6d2920bef6b">SCALEX</a>, 1.0 / <a class="code" href="affine__reg_8c.html#a7d2f8592ff74bbdc268b5098ea78a4d8">SCALEY</a>);
<a name="l00298"></a>00298 mat3i = <a class="code" href="affinecompose_8c.html#a4029290170505c2b05de21ddde5ff6bf">createMatrix2dRotate</a>(w / 2, h / 2, -<a class="code" href="affine__reg_8c.html#a2412b9ef21c6ed58800c251ae72d0cdb">ROTATION</a>);
<a name="l00299"></a>00299 <a class="code" href="affinecompose_8c.html#a280f230eadd17d0147b1b819ccac995d">l_productMat3</a>(mat1i, mat2i, mat3i, matdi, 3);
<a name="l00300"></a>00300
<a name="l00301"></a>00301 <span class="comment">/* Invert the original affine transform in matdinv */</span>
<a name="l00302"></a>00302 <a class="code" href="affine_8c.html#a4bec7268ce4521fcc08cb33b5e5c1c4a">affineInvertXform</a>(matd, &matdinv);
<a name="l00303"></a>00303 fprintf(stderr, <span class="stringliteral">"Affine transform, applied to boxa\n"</span>);
<a name="l00304"></a>00304 <span class="keywordflow">for</span> (i = 0; i < 9; i++) {
<a name="l00305"></a>00305 <span class="keywordflow">if</span> (i && (i % 3 == 0)) fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l00306"></a>00306 fprintf(stderr, <span class="stringliteral">" %7.3f "</span>, matd[i]);
<a name="l00307"></a>00307 }
<a name="l00308"></a>00308 fprintf(stderr, <span class="stringliteral">"\nInverse transform, made by composing inverse parts"</span>);
<a name="l00309"></a>00309 <span class="keywordflow">for</span> (i = 0; i < 9; i++) {
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (i % 3 == 0) fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l00311"></a>00311 fprintf(stderr, <span class="stringliteral">" %7.3f "</span>, matdi[i]);
<a name="l00312"></a>00312 }
<a name="l00313"></a>00313 fprintf(stderr, <span class="stringliteral">"\nInverse transform, made by inverting the affine xform"</span>);
<a name="l00314"></a>00314 <span class="keywordflow">for</span> (i = 0; i < 6; i++) {
<a name="l00315"></a>00315 <span class="keywordflow">if</span> (i % 3 == 0) fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l00316"></a>00316 fprintf(stderr, <span class="stringliteral">" %7.3f "</span>, matdinv[i]);
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 fprintf(stderr, <span class="stringliteral">"\n"</span>);
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="comment">/* Apply the inverted affine transform pixs */</span>
<a name="l00321"></a>00321 pixd = <a class="code" href="affine_8c.html#a6d86935bd696bd2431cd17136771c519">pixAffine</a>(pixs, matdinv, <a class="code" href="pix_8h.html#a77867ab4129f63159b37bca3b652a798a890c104a487fc180ef1fa0cdbdd041fd">L_BRING_IN_WHITE</a>);
<a name="l00322"></a>00322 <a class="code" href="affine__reg_8c.html#a48e075bb9d15cf54ad737b95cb38c5ce">RenderHashedBoxa</a>(pixd, boxa2, 513);
<a name="l00323"></a>00323 <a class="code" href="leptprotos_8h.html#a5bdc8398d337c9a8a7495421d34b8f2d">pixSaveTiled</a>(pixd, pixa, 2, 0, 30, 32);
<a name="l00324"></a>00324 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00325"></a>00325
<a name="l00326"></a>00326 pixd = <a class="code" href="leptprotos_8h.html#a6535561de2a8024c72d75babe15131a9">pixaDisplay</a>(pixa, 0, 0);
<a name="l00327"></a>00327 <a class="code" href="leptprotos_8h.html#a5a9a534e77de5e57d74ff3d678ca59e0">pixWrite</a>(<span class="stringliteral">"/tmp/junkaffine7.png"</span>, pixd, <a class="code" href="imageio_8h.html#a726ca809ffd3d67ab4b8476646f26635a2ec77ead70eea85c6d7cc7372ea7394e">IFF_PNG</a>);
<a name="l00328"></a>00328 <a class="code" href="leptprotos_8h.html#ae8a779aa459f8d1c386363bf2a5c06f5">pixDisplay</a>(pixd, 100, 900);
<a name="l00329"></a>00329 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixd);
<a name="l00330"></a>00330 <a class="code" href="leptprotos_8h.html#a1b238e61b64e4e5c62f44849cddb9658">pixDestroy</a>(&pixs);
<a name="l00331"></a>00331 <a class="code" href="leptprotos_8h.html#a6775cff91fdef2336a3f3037f7bb55f3">pixaDestroy</a>(&pixa);
<a name="l00332"></a>00332 <a class="code" href="boxbasic_8c.html#ab61d85b07650c3e6c004878d8653b39a">boxaDestroy</a>(&boxa);
<a name="l00333"></a>00333 <a class="code" href="boxbasic_8c.html#ab61d85b07650c3e6c004878d8653b39a">boxaDestroy</a>(&boxa2);
<a name="l00334"></a>00334 <a class="code" href="leptprotos_8h.html#ab57b50a91a79dab1cb178eea577c58c8">lept_free</a>(mat1);
<a name="l00335"></a>00335 <a class="code" href="leptprotos_8h.html#ab57b50a91a79dab1cb178eea577c58c8">lept_free</a>(mat2);
<a name="l00336"></a>00336 <a class="code" href="leptprotos_8h.html#ab57b50a91a79dab1cb178eea577c58c8">lept_free</a>(mat3);
<a name="l00337"></a>00337 <a class="code" href="leptprotos_8h.html#ab57b50a91a79dab1cb178eea577c58c8">lept_free</a>(mat1i);
<a name="l00338"></a>00338 <a class="code" href="leptprotos_8h.html#ab57b50a91a79dab1cb178eea577c58c8">lept_free</a>(mat2i);
<a name="l00339"></a>00339 <a class="code" href="leptprotos_8h.html#ab57b50a91a79dab1cb178eea577c58c8">lept_free</a>(mat3i);
<a name="l00340"></a>00340 <span class="preprocessor">#endif</span>
<a name="l00341"></a>00341 <span class="preprocessor"></span>
<a name="l00342"></a>00342 <span class="keywordflow">return</span> 0;
<a name="l00343"></a>00343 }
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00346"></a><a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">00346</a> <a class="code" href="affine__reg_8c.html#a0e62860e926b57caaefe9f657a12dc01">MakePtas</a>(<a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i,
<a name="l00347"></a>00347 <a class="code" href="struct_pta.html">PTA</a> **pptas,
<a name="l00348"></a>00348 <a class="code" href="struct_pta.html">PTA</a> **pptad)
<a name="l00349"></a>00349 {
<a name="l00350"></a>00350
<a name="l00351"></a>00351 *pptas = <a class="code" href="leptprotos_8h.html#a6f854462ee35cb8c974752cacc4170ed">ptaCreate</a>(3);
<a name="l00352"></a>00352 <a class="code" href="leptprotos_8h.html#af57296aef44526f203752fa079d4dbb5">ptaAddPt</a>(*pptas, <a class="code" href="affine__reg_8c.html#ae7a35515457046b7539c24062cf94d40">x1</a>[i], <a class="code" href="affine__reg_8c.html#af3df0e6eba20b6ae09d0111c121aac36">y1</a>[i]);
<a name="l00353"></a>00353 <a class="code" href="leptprotos_8h.html#af57296aef44526f203752fa079d4dbb5">ptaAddPt</a>(*pptas, <a class="code" href="affine__reg_8c.html#ad85afc03d55324b175bbccc3ecfc983c">x2</a>[i], <a class="code" href="affine__reg_8c.html#a5afb8355b4d1b35dd123f44f1743d9f4">y2</a>[i]);
<a name="l00354"></a>00354 <a class="code" href="leptprotos_8h.html#af57296aef44526f203752fa079d4dbb5">ptaAddPt</a>(*pptas, <a class="code" href="affine__reg_8c.html#a41b607021994d7ad321d656d6682186b">x3</a>[i], <a class="code" href="affine__reg_8c.html#a769632df957fc825d7e04fd49f64fa7d">y3</a>[i]);
<a name="l00355"></a>00355 *pptad = <a class="code" href="leptprotos_8h.html#a6f854462ee35cb8c974752cacc4170ed">ptaCreate</a>(3);
<a name="l00356"></a>00356 <a class="code" href="leptprotos_8h.html#af57296aef44526f203752fa079d4dbb5">ptaAddPt</a>(*pptad, <a class="code" href="affine__reg_8c.html#a90abedfb0d3ad72c0884e41ad210ce01">xp1</a>[i], <a class="code" href="affine__reg_8c.html#af3de5dbf441d71c9361003f8e62c7381">yp1</a>[i]);
<a name="l00357"></a>00357 <a class="code" href="leptprotos_8h.html#af57296aef44526f203752fa079d4dbb5">ptaAddPt</a>(*pptad, <a class="code" href="affine__reg_8c.html#ababdb9060ab17fd3252e0b350a15fc9f">xp2</a>[i], <a class="code" href="affine__reg_8c.html#a22a25412a29a42e3722ecd24ce18383d">yp2</a>[i]);
<a name="l00358"></a>00358 <a class="code" href="leptprotos_8h.html#af57296aef44526f203752fa079d4dbb5">ptaAddPt</a>(*pptad, <a class="code" href="affine__reg_8c.html#a5585097c449df32229fb091ed91adda4">xp3</a>[i], <a class="code" href="affine__reg_8c.html#ad5fe7cd9e7eea80ee560191015de1b2a">yp3</a>[i]);
<a name="l00359"></a>00359 <span class="keywordflow">return</span>;
<a name="l00360"></a>00360 }
<a name="l00361"></a>00361
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a>
<a name="l00364"></a><a class="code" href="affine__reg_8c.html#a48e075bb9d15cf54ad737b95cb38c5ce">00364</a> <a class="code" href="affine__reg_8c.html#a48e075bb9d15cf54ad737b95cb38c5ce">RenderHashedBoxa</a>(<a class="code" href="struct_pix.html">PIX</a> *pixt,
<a name="l00365"></a>00365 <a class="code" href="struct_boxa.html">BOXA</a> *boxa,
<a name="l00366"></a>00366 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> i)
<a name="l00367"></a>00367 {
<a name="l00368"></a>00368 <a class="code" href="environ_8h.html#a9085c7874153c280a4171244aa052e4e">l_int32</a> j, n, rval, gval, bval;
<a name="l00369"></a>00369 <a class="code" href="struct_box.html">BOX</a> *box;
<a name="l00370"></a>00370
<a name="l00371"></a>00371 n = <a class="code" href="boxbasic_8c.html#a82555cab9ef5578c4728ef5109264723">boxaGetCount</a>(boxa);
<a name="l00372"></a>00372 rval = (1413 * i) % 256;
<a name="l00373"></a>00373 gval = (4917 * i) % 256;
<a name="l00374"></a>00374 bval = (7341 * i) % 256;
<a name="l00375"></a>00375 <span class="keywordflow">for</span> (j = 0; j < n; j++) {
<a name="l00376"></a>00376 box = <a class="code" href="boxbasic_8c.html#ac7c6fcfadf130bfa738ce6aab51318e5">boxaGetBox</a>(boxa, j, <a class="code" href="pix_8h.html#a5d76b81b0ad4c19007a781d4edb8181fa890051b4927a821110da74bae0d3c529">L_CLONE</a>);
<a name="l00377"></a>00377 <a class="code" href="graphics_8c.html#a5c7fbf05971a9245cc3141c4ff5634b2">pixRenderHashBoxArb</a>(pixt, box, 10, 3, i % 4, 1, rval, gval, bval);
<a name="l00378"></a>00378 <a class="code" href="boxbasic_8c.html#a494a2b1bf2e00d030dae5e11e12dbddb">boxDestroy</a>(&box);
<a name="l00379"></a>00379 }
<a name="l00380"></a>00380 <span class="keywordflow">return</span> 0;
<a name="l00381"></a>00381 }
<a name="l00382"></a>00382
<a name="l00383"></a>00383
</pre></div></div>
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