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<div class="title">Matrices</div> </div>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>This is the reference documentation for handling matrices to use as transformation in drawing operations. Matrix computations in vkvg are taken from the cairo library. </p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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="structvkvg__matrix__t.html">vkvg_matrix_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">vkvg matrix structure <a href="structvkvg__matrix__t.html#details">More...</a><br /></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:ga7a14d8e9fafcb47df7b52731622a15a3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga7a14d8e9fafcb47df7b52731622a15a3.html#ga7a14d8e9fafcb47df7b52731622a15a3">VKVG_IDENTITY_MATRIX</a>   (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a>){1,0,0,1,0,0}</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:ga60cff46b3741569d302c19226b5f7340"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga60cff46b3741569d302c19226b5f7340.html#ga60cff46b3741569d302c19226b5f7340">vkvg_matrix_init_identity</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix)</td></tr>
<tr class="memdesc:ga60cff46b3741569d302c19226b5f7340"><td class="mdescLeft"> </td><td class="mdescRight">Set matrix to identity. <a href="group__matrix_ga60cff46b3741569d302c19226b5f7340.html#ga60cff46b3741569d302c19226b5f7340">More...</a><br /></td></tr>
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<tr class="memitem:gadfb1c02e17804239c8a8f1c2f0f8a374"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_gadfb1c02e17804239c8a8f1c2f0f8a374.html#gadfb1c02e17804239c8a8f1c2f0f8a374">vkvg_matrix_init</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float xx, float yx, float xy, float yy, float x0, float y0)</td></tr>
<tr class="memdesc:gadfb1c02e17804239c8a8f1c2f0f8a374"><td class="mdescLeft"> </td><td class="mdescRight">Matrix initialization. <a href="group__matrix_gadfb1c02e17804239c8a8f1c2f0f8a374.html#gadfb1c02e17804239c8a8f1c2f0f8a374">More...</a><br /></td></tr>
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<tr class="memitem:ga471448472d025facf479dc1fbaa6f102"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga471448472d025facf479dc1fbaa6f102.html#ga471448472d025facf479dc1fbaa6f102">vkvg_matrix_init_translate</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float tx, float ty)</td></tr>
<tr class="memdesc:ga471448472d025facf479dc1fbaa6f102"><td class="mdescLeft"> </td><td class="mdescRight">Rotation matrix initialization. <a href="group__matrix_ga471448472d025facf479dc1fbaa6f102.html#ga471448472d025facf479dc1fbaa6f102">More...</a><br /></td></tr>
<tr class="separator:ga471448472d025facf479dc1fbaa6f102"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga824fa84193b12ef36fd11316b52edfb9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga824fa84193b12ef36fd11316b52edfb9.html#ga824fa84193b12ef36fd11316b52edfb9">vkvg_matrix_init_scale</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float sx, float sy)</td></tr>
<tr class="memdesc:ga824fa84193b12ef36fd11316b52edfb9"><td class="mdescLeft"> </td><td class="mdescRight">scaling matrix initialization <a href="group__matrix_ga824fa84193b12ef36fd11316b52edfb9.html#ga824fa84193b12ef36fd11316b52edfb9">More...</a><br /></td></tr>
<tr class="separator:ga824fa84193b12ef36fd11316b52edfb9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7565d3c1202c2aa88d06210e4e880c15"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga7565d3c1202c2aa88d06210e4e880c15.html#ga7565d3c1202c2aa88d06210e4e880c15">vkvg_matrix_init_rotate</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float radians)</td></tr>
<tr class="memdesc:ga7565d3c1202c2aa88d06210e4e880c15"><td class="mdescLeft"> </td><td class="mdescRight">rotation matrix initialization <a href="group__matrix_ga7565d3c1202c2aa88d06210e4e880c15.html#ga7565d3c1202c2aa88d06210e4e880c15">More...</a><br /></td></tr>
<tr class="separator:ga7565d3c1202c2aa88d06210e4e880c15"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa9cd565c5f9ad461d8ece37459c5757c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_gaa9cd565c5f9ad461d8ece37459c5757c.html#gaa9cd565c5f9ad461d8ece37459c5757c">vkvg_matrix_translate</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float tx, float ty)</td></tr>
<tr class="memdesc:gaa9cd565c5f9ad461d8ece37459c5757c"><td class="mdescLeft"> </td><td class="mdescRight">apply translation on matrix <a href="group__matrix_gaa9cd565c5f9ad461d8ece37459c5757c.html#gaa9cd565c5f9ad461d8ece37459c5757c">More...</a><br /></td></tr>
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<tr class="memitem:ga2af9ac82c85388031d206e5e59b00ab9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga2af9ac82c85388031d206e5e59b00ab9.html#ga2af9ac82c85388031d206e5e59b00ab9">vkvg_matrix_scale</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float sx, float sy)</td></tr>
<tr class="memdesc:ga2af9ac82c85388031d206e5e59b00ab9"><td class="mdescLeft"> </td><td class="mdescRight">apply scale on matrix <a href="group__matrix_ga2af9ac82c85388031d206e5e59b00ab9.html#ga2af9ac82c85388031d206e5e59b00ab9">More...</a><br /></td></tr>
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<tr class="memitem:ga00b8f362ab4e337c2ec219dbee840a76"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga00b8f362ab4e337c2ec219dbee840a76.html#ga00b8f362ab4e337c2ec219dbee840a76">vkvg_matrix_rotate</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float radians)</td></tr>
<tr class="memdesc:ga00b8f362ab4e337c2ec219dbee840a76"><td class="mdescLeft"> </td><td class="mdescRight">apply rotation on matrix <a href="group__matrix_ga00b8f362ab4e337c2ec219dbee840a76.html#ga00b8f362ab4e337c2ec219dbee840a76">More...</a><br /></td></tr>
<tr class="separator:ga00b8f362ab4e337c2ec219dbee840a76"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga696338f6b5986e8cde51cab3bd6f2050"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga696338f6b5986e8cde51cab3bd6f2050.html#ga696338f6b5986e8cde51cab3bd6f2050">vkvg_matrix_multiply</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *result, const <a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *a, const <a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *b)</td></tr>
<tr class="memdesc:ga696338f6b5986e8cde51cab3bd6f2050"><td class="mdescLeft"> </td><td class="mdescRight">matrices multiplication <a href="group__matrix_ga696338f6b5986e8cde51cab3bd6f2050.html#ga696338f6b5986e8cde51cab3bd6f2050">More...</a><br /></td></tr>
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<tr class="memitem:gaef5dcf4dab69857a4516cfa3770a6201"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_gaef5dcf4dab69857a4516cfa3770a6201.html#gaef5dcf4dab69857a4516cfa3770a6201">vkvg_matrix_transform_distance</a> (const <a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float *dx, float *dy)</td></tr>
<tr class="memdesc:gaef5dcf4dab69857a4516cfa3770a6201"><td class="mdescLeft"> </td><td class="mdescRight">transform distances <a href="group__matrix_gaef5dcf4dab69857a4516cfa3770a6201.html#gaef5dcf4dab69857a4516cfa3770a6201">More...</a><br /></td></tr>
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<tr class="memitem:gaa329c7a6282aa4eb6f39b8bcc9547c1c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_gaa329c7a6282aa4eb6f39b8bcc9547c1c.html#gaa329c7a6282aa4eb6f39b8bcc9547c1c">vkvg_matrix_transform_point</a> (const <a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float *x, float *y)</td></tr>
<tr class="memdesc:gaa329c7a6282aa4eb6f39b8bcc9547c1c"><td class="mdescLeft"> </td><td class="mdescRight">transform point <a href="group__matrix_gaa329c7a6282aa4eb6f39b8bcc9547c1c.html#gaa329c7a6282aa4eb6f39b8bcc9547c1c">More...</a><br /></td></tr>
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<tr class="memitem:ga8b27d7aa1c35c520efa197e44da84ef9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="vkvg_8h_a0cf53c292fd50abe53343d71673c9354.html#a0cf53c292fd50abe53343d71673c9354">vkvg_status_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_ga8b27d7aa1c35c520efa197e44da84ef9.html#ga8b27d7aa1c35c520efa197e44da84ef9">vkvg_matrix_invert</a> (<a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix)</td></tr>
<tr class="memdesc:ga8b27d7aa1c35c520efa197e44da84ef9"><td class="mdescLeft"> </td><td class="mdescRight">invert matrix <a href="group__matrix_ga8b27d7aa1c35c520efa197e44da84ef9.html#ga8b27d7aa1c35c520efa197e44da84ef9">More...</a><br /></td></tr>
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<tr class="memitem:gacd251d9fac997b79ca3060dd2d575f0e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__matrix_gacd251d9fac997b79ca3060dd2d575f0e.html#gacd251d9fac997b79ca3060dd2d575f0e">vkvg_matrix_get_scale</a> (const <a class="el" href="structvkvg__matrix__t.html">vkvg_matrix_t</a> *matrix, float *sx, float *sy)</td></tr>
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