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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<title>FlipperZero Firmware: applications/services/gui/canvas_i.h File Reference</title>
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<li class="navelem"><a class="el" href="dir_a6e4fee11f07c3b70486e88fe92cbbdc.html">applications</a></li><li class="navelem"><a class="el" href="dir_1581ab0e1b6f5f52cf9e9cea60a8e5e8.html">services</a></li><li class="navelem"><a class="el" href="dir_7aa9847637b0c465bfb6fdb3cbf0b24a.html">gui</a></li> </ul>
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</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#nested-classes">Data Structures</a> |
<a href="#func-members">Functions</a> </div>
<div class="headertitle"><div class="title">canvas_i.h File Reference</div></div>
</div><!--header-->
<div class="contents">
<p>GUI: internal <a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> API.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="canvas_8h_source.html">canvas.h</a>"</code><br />
<code>#include <u8g2.h></code><br />
</div>
<p><a href="canvas__i_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" 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="struct_canvas.html">Canvas</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> structure. <a href="struct_canvas.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a6d1f0b36b7931e717eb1d00d8084c2b9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_canvas.html">Canvas</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#a6d1f0b36b7931e717eb1d00d8084c2b9">canvas_init</a> ()</td></tr>
<tr class="memdesc:a6d1f0b36b7931e717eb1d00d8084c2b9"><td class="mdescLeft"> </td><td class="mdescRight">Allocate memory and initialize canvas. <a href="canvas__i_8h.html#a6d1f0b36b7931e717eb1d00d8084c2b9">More...</a><br /></td></tr>
<tr class="separator:a6d1f0b36b7931e717eb1d00d8084c2b9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7ada606dd0fc191727ebd18adcd67462"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#a7ada606dd0fc191727ebd18adcd67462">canvas_free</a> (<a class="el" href="struct_canvas.html">Canvas</a> *canvas)</td></tr>
<tr class="memdesc:a7ada606dd0fc191727ebd18adcd67462"><td class="mdescLeft"> </td><td class="mdescRight">Free canvas memory. <a href="canvas__i_8h.html#a7ada606dd0fc191727ebd18adcd67462">More...</a><br /></td></tr>
<tr class="separator:a7ada606dd0fc191727ebd18adcd67462"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a918d4e9a079c0e8a5f167d1bc3a48285"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#a918d4e9a079c0e8a5f167d1bc3a48285">canvas_reset</a> (<a class="el" href="struct_canvas.html">Canvas</a> *canvas)</td></tr>
<tr class="memdesc:a918d4e9a079c0e8a5f167d1bc3a48285"><td class="mdescLeft"> </td><td class="mdescRight">Reset canvas drawing tools configuration. <a href="canvas__i_8h.html#a918d4e9a079c0e8a5f167d1bc3a48285">More...</a><br /></td></tr>
<tr class="separator:a918d4e9a079c0e8a5f167d1bc3a48285"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8496522b8f7d26526af09c067a7023dc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#a8496522b8f7d26526af09c067a7023dc">canvas_commit</a> (<a class="el" href="struct_canvas.html">Canvas</a> *canvas)</td></tr>
<tr class="memdesc:a8496522b8f7d26526af09c067a7023dc"><td class="mdescLeft"> </td><td class="mdescRight">Commit canvas. <a href="canvas__i_8h.html#a8496522b8f7d26526af09c067a7023dc">More...</a><br /></td></tr>
<tr class="separator:a8496522b8f7d26526af09c067a7023dc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afc2d42827fcc0e42ac3192524b7bf6fa"><td class="memItemLeft" align="right" valign="top">uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#afc2d42827fcc0e42ac3192524b7bf6fa">canvas_get_buffer</a> (<a class="el" href="struct_canvas.html">Canvas</a> *canvas)</td></tr>
<tr class="memdesc:afc2d42827fcc0e42ac3192524b7bf6fa"><td class="mdescLeft"> </td><td class="mdescRight">Get canvas buffer. <a href="canvas__i_8h.html#afc2d42827fcc0e42ac3192524b7bf6fa">More...</a><br /></td></tr>
<tr class="separator:afc2d42827fcc0e42ac3192524b7bf6fa"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa12e742cf2ba7b1b5d29dd1a7235d5ab"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#aa12e742cf2ba7b1b5d29dd1a7235d5ab">canvas_get_buffer_size</a> (<a class="el" href="struct_canvas.html">Canvas</a> *canvas)</td></tr>
<tr class="memdesc:aa12e742cf2ba7b1b5d29dd1a7235d5ab"><td class="mdescLeft"> </td><td class="mdescRight">Get canvas buffer size. <a href="canvas__i_8h.html#aa12e742cf2ba7b1b5d29dd1a7235d5ab">More...</a><br /></td></tr>
<tr class="separator:aa12e742cf2ba7b1b5d29dd1a7235d5ab"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac0f48a660a06ad7143b2a2f852c12392"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#ac0f48a660a06ad7143b2a2f852c12392">canvas_frame_set</a> (<a class="el" href="struct_canvas.html">Canvas</a> *canvas, uint8_t offset_x, uint8_t offset_y, uint8_t width, uint8_t height)</td></tr>
<tr class="memdesc:ac0f48a660a06ad7143b2a2f852c12392"><td class="mdescLeft"> </td><td class="mdescRight">Set drawing region relative to real screen buffer. <a href="canvas__i_8h.html#ac0f48a660a06ad7143b2a2f852c12392">More...</a><br /></td></tr>
<tr class="separator:ac0f48a660a06ad7143b2a2f852c12392"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6b113758cfc00412974940440a96a493"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#a6b113758cfc00412974940440a96a493">canvas_set_orientation</a> (<a class="el" href="struct_canvas.html">Canvas</a> *canvas, <a class="el" href="canvas_8h.html#a8894c54499069d8c2a0387b4a7a0e269">CanvasOrientation</a> orientation)</td></tr>
<tr class="memdesc:a6b113758cfc00412974940440a96a493"><td class="mdescLeft"> </td><td class="mdescRight">Set canvas orientation. <a href="canvas__i_8h.html#a6b113758cfc00412974940440a96a493">More...</a><br /></td></tr>
<tr class="separator:a6b113758cfc00412974940440a96a493"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8441d61406e318c65ebb5732fbb1d31d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="canvas_8h.html#a8894c54499069d8c2a0387b4a7a0e269">CanvasOrientation</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="canvas__i_8h.html#a8441d61406e318c65ebb5732fbb1d31d">canvas_get_orientation</a> (const <a class="el" href="struct_canvas.html">Canvas</a> *canvas)</td></tr>
<tr class="memdesc:a8441d61406e318c65ebb5732fbb1d31d"><td class="mdescLeft"> </td><td class="mdescRight">Get canvas orientation. <a href="canvas__i_8h.html#a8441d61406e318c65ebb5732fbb1d31d">More...</a><br /></td></tr>
<tr class="separator:a8441d61406e318c65ebb5732fbb1d31d"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >GUI: internal <a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> API. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a8496522b8f7d26526af09c067a7023dc" name="a8496522b8f7d26526af09c067a7023dc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8496522b8f7d26526af09c067a7023dc">◆ </a></span>canvas_commit()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void canvas_commit </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_canvas.html">Canvas</a> * </td>
<td class="paramname"><em>canvas</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Commit canvas. </p>
<p >Send buffer to display</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">canvas</td><td><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="ac0f48a660a06ad7143b2a2f852c12392" name="ac0f48a660a06ad7143b2a2f852c12392"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac0f48a660a06ad7143b2a2f852c12392">◆ </a></span>canvas_frame_set()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void canvas_frame_set </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_canvas.html">Canvas</a> * </td>
<td class="paramname"><em>canvas</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t </td>
<td class="paramname"><em>offset_x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t </td>
<td class="paramname"><em>offset_y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t </td>
<td class="paramname"><em>width</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t </td>
<td class="paramname"><em>height</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set drawing region relative to real screen buffer. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">canvas</td><td><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance </td></tr>
<tr><td class="paramname">offset_x</td><td>x coordinate offset </td></tr>
<tr><td class="paramname">offset_y</td><td>y coordinate offset </td></tr>
<tr><td class="paramname">width</td><td>width </td></tr>
<tr><td class="paramname">height</td><td>height </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a7ada606dd0fc191727ebd18adcd67462" name="a7ada606dd0fc191727ebd18adcd67462"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7ada606dd0fc191727ebd18adcd67462">◆ </a></span>canvas_free()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void canvas_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_canvas.html">Canvas</a> * </td>
<td class="paramname"><em>canvas</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Free canvas memory. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">canvas</td><td><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="afc2d42827fcc0e42ac3192524b7bf6fa" name="afc2d42827fcc0e42ac3192524b7bf6fa"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afc2d42827fcc0e42ac3192524b7bf6fa">◆ </a></span>canvas_get_buffer()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint8_t * canvas_get_buffer </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_canvas.html">Canvas</a> * </td>
<td class="paramname"><em>canvas</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get canvas buffer. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">canvas</td><td><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>pointer to buffer </dd></dl>
</div>
</div>
<a id="aa12e742cf2ba7b1b5d29dd1a7235d5ab" name="aa12e742cf2ba7b1b5d29dd1a7235d5ab"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa12e742cf2ba7b1b5d29dd1a7235d5ab">◆ </a></span>canvas_get_buffer_size()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">size_t canvas_get_buffer_size </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_canvas.html">Canvas</a> * </td>
<td class="paramname"><em>canvas</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get canvas buffer size. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">canvas</td><td><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>size of canvas in bytes </dd></dl>
</div>
</div>
<a id="a8441d61406e318c65ebb5732fbb1d31d" name="a8441d61406e318c65ebb5732fbb1d31d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8441d61406e318c65ebb5732fbb1d31d">◆ </a></span>canvas_get_orientation()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="canvas_8h.html#a8894c54499069d8c2a0387b4a7a0e269">CanvasOrientation</a> canvas_get_orientation </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="struct_canvas.html">Canvas</a> * </td>
<td class="paramname"><em>canvas</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get canvas orientation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">canvas</td><td><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>CanvasOrientation </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a6d1f0b36b7931e717eb1d00d8084c2b9">◆ </a></span>canvas_init()</h2>
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<td class="memname"><a class="el" href="struct_canvas.html">Canvas</a> * canvas_init </td>
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<p>Allocate memory and initialize canvas. </p>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a918d4e9a079c0e8a5f167d1bc3a48285">◆ </a></span>canvas_reset()</h2>
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<td class="memname">void canvas_reset </td>
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<td class="paramtype"><a class="el" href="struct_canvas.html">Canvas</a> * </td>
<td class="paramname"><em>canvas</em></td><td>)</td>
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<p>Reset canvas drawing tools configuration. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">canvas</td><td><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a6b113758cfc00412974940440a96a493">◆ </a></span>canvas_set_orientation()</h2>
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<td class="memname">void canvas_set_orientation </td>
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<td class="paramtype"><a class="el" href="struct_canvas.html">Canvas</a> * </td>
<td class="paramname"><em>canvas</em>, </td>
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<td class="paramtype"><a class="el" href="canvas_8h.html#a8894c54499069d8c2a0387b4a7a0e269">CanvasOrientation</a> </td>
<td class="paramname"><em>orientation</em> </td>
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<p>Set canvas orientation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">canvas</td><td><a class="el" href="struct_canvas.html" title="Canvas structure.">Canvas</a> instance </td></tr>
<tr><td class="paramname">orientation</td><td>CanvasOrientation </td></tr>
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</dd>
</dl>
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