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<html><!-- Created using the cpp_pretty_printer from the dlib C++ library. See http://dlib.net for updates. --><head><title>dlib C++ Library - canvas_drawing.cpp</title></head><body bgcolor='white'><pre>
<font color='#009900'>// Copyright (C) 2005 Davis E. King ([email protected]), and Nils Labugt
</font><font color='#009900'>// License: Boost Software License See LICENSE.txt for the full license.
</font><font color='#0000FF'>#ifndef</font> DLIB_CANVAS_DRAWINg_CPP_
<font color='#0000FF'>#define</font> DLIB_CANVAS_DRAWINg_CPP_
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='canvas_drawing.h.html'>canvas_drawing.h</a>"
<font color='#0000FF'>namespace</font> dlib
<b>{</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#0000FF'><u>void</u></font> <b><a name='draw_sunken_rectangle'></a>draw_sunken_rectangle</b> <font face='Lucida Console'>(</font>
<font color='#0000FF'>const</font> canvas<font color='#5555FF'>&amp;</font> c,
<font color='#0000FF'>const</font> rectangle<font color='#5555FF'>&amp;</font> border,
<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>char</u></font> alpha
<font face='Lucida Console'>)</font>
<b>{</b>
rectangle area <font color='#5555FF'>=</font> border.<font color='#BB00BB'>intersect</font><font face='Lucida Console'>(</font>c<font face='Lucida Console'>)</font>;
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>area.<font color='#BB00BB'>is_empty</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>false</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>dark_gray</font><font face='Lucida Console'>(</font><font color='#979000'>64</font>,<font color='#979000'>64</font>,<font color='#979000'>64</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>gray</font><font face='Lucida Console'>(</font><font color='#979000'>128</font>,<font color='#979000'>128</font>,<font color='#979000'>128</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>white</font><font face='Lucida Console'>(</font><font color='#979000'>255</font>,<font color='#979000'>255</font>,<font color='#979000'>255</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>background</font><font face='Lucida Console'>(</font><font color='#979000'>212</font>,<font color='#979000'>208</font>,<font color='#979000'>200</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,border.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,border.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,border.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,border.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,white<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,border.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,border.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,background<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,border.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,border.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,border.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,border.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,white<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,border.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,border.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>2</font><font face='Lucida Console'>)</font>,background<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,border.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,border.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>2</font><font face='Lucida Console'>)</font>,dark_gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,border.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>border.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>2</font>,border.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,dark_gray<font face='Lucida Console'>)</font>;
<b>}</b>
<b>}</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#0000FF'><u>void</u></font> <b><a name='draw_button_down'></a>draw_button_down</b> <font face='Lucida Console'>(</font>
<font color='#0000FF'>const</font> canvas<font color='#5555FF'>&amp;</font> c,
<font color='#0000FF'>const</font> rectangle<font color='#5555FF'>&amp;</font> btn,
<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>char</u></font> alpha
<font face='Lucida Console'>)</font>
<b>{</b>
rectangle area <font color='#5555FF'>=</font> btn.<font color='#BB00BB'>intersect</font><font face='Lucida Console'>(</font>c<font face='Lucida Console'>)</font>;
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>area.<font color='#BB00BB'>is_empty</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>false</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>dark_gray</font><font face='Lucida Console'>(</font><font color='#979000'>64</font>,<font color='#979000'>64</font>,<font color='#979000'>64</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>gray</font><font face='Lucida Console'>(</font><font color='#979000'>128</font>,<font color='#979000'>128</font>,<font color='#979000'>128</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>black</font><font face='Lucida Console'>(</font><font color='#979000'>0</font>,<font color='#979000'>0</font>,<font color='#979000'>0</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,black<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,dark_gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,black<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,dark_gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,gray<font face='Lucida Console'>)</font>;
<b>}</b>
<b>}</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#0000FF'><u>void</u></font> <b><a name='draw_button_up'></a>draw_button_up</b> <font face='Lucida Console'>(</font>
<font color='#0000FF'>const</font> canvas<font color='#5555FF'>&amp;</font> c,
<font color='#0000FF'>const</font> rectangle<font color='#5555FF'>&amp;</font> btn,
<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>char</u></font> alpha
<font face='Lucida Console'>)</font>
<b>{</b>
rectangle area <font color='#5555FF'>=</font> btn.<font color='#BB00BB'>intersect</font><font face='Lucida Console'>(</font>c<font face='Lucida Console'>)</font>;
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>area.<font color='#BB00BB'>is_empty</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>false</font><font face='Lucida Console'>)</font>
<b>{</b>
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>dark_gray</font><font face='Lucida Console'>(</font><font color='#979000'>64</font>,<font color='#979000'>64</font>,<font color='#979000'>64</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>gray</font><font face='Lucida Console'>(</font><font color='#979000'>128</font>,<font color='#979000'>128</font>,<font color='#979000'>128</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#0000FF'>const</font> rgb_alpha_pixel <font color='#BB00BB'>white</font><font face='Lucida Console'>(</font><font color='#979000'>255</font>,<font color='#979000'>255</font>,<font color='#979000'>255</font>,alpha<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,white<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,dark_gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>left</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,white<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,dark_gray<font face='Lucida Console'>)</font>;
<font color='#BB00BB'>draw_line</font><font face='Lucida Console'>(</font>c,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>top</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>,<font color='#BB00BB'>point</font><font face='Lucida Console'>(</font>btn.<font color='#BB00BB'>right</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>,btn.<font color='#BB00BB'>bottom</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>2</font><font face='Lucida Console'>)</font>,gray<font face='Lucida Console'>)</font>;
<b>}</b>
<b>}</b>
<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<b>}</b>
<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_CANVAS_DRAWINg_CPP_
</font>
</pre></body></html>