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<div class="title">source/presentation/ScreenPanel.cpp</div> </div>
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<a href="_screen_panel_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include "<a class="code" href="_screen_panel_8h.html">ScreenPanel.h</a>"</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="keyword">const</span> ALLEGRO_COLOR <a class="code" href="class_screen_panel.html#a1cc6ea44035f47d77d24b4cee9dc9d85" title="Colour used to clear the screen at the beginning of drawing operations.">ScreenPanel::BLANK</a> = al_map_rgb(0,0,0);
<a name="l00004"></a>00004
<a name="l00005"></a><a class="code" href="class_screen_panel.html#a8c13559489444ea8131066fa5b884645">00005</a> <a class="code" href="class_screen_panel.html#a8c13559489444ea8131066fa5b884645" title="Creates a ScreenPanel from the given back and front buffers.">ScreenPanel::ScreenPanel</a>(ALLEGRO_BITMAP* back, ALLEGRO_BITMAP* front, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height)
<a name="l00006"></a>00006 :_width(width),
<a name="l00007"></a>00007 _height(height)
<a name="l00008"></a>00008 {
<a name="l00009"></a>00009 <a class="code" href="class_screen_panel.html#a1a3ec8e60be5d5cede210171bda33468" title="The back buffer. Only the back buffer can be drawn to.">_back</a> = al_create_sub_bitmap(back, x, y, <a class="code" href="class_screen_panel.html#afbbcad2a101b95869dcdef9bf0898f65" title="The width of the sub-bitmaps being drawn to in pixels.">_width</a>, <a class="code" href="class_screen_panel.html#a4f6dd5c7ca10d51bface7b1ddedc236c" title="The height of the sub-bitmaps being drawn to in pixels.">_height</a>);
<a name="l00010"></a>00010 <a class="code" href="class_screen_panel.html#a0a3232c41ca107b2cceee73aa0e0d7fe" title="The front buffer, that is currently being shown on the screen.">_front</a> = al_create_sub_bitmap(front, x, y, <a class="code" href="class_screen_panel.html#afbbcad2a101b95869dcdef9bf0898f65" title="The width of the sub-bitmaps being drawn to in pixels.">_width</a>, <a class="code" href="class_screen_panel.html#a4f6dd5c7ca10d51bface7b1ddedc236c" title="The height of the sub-bitmaps being drawn to in pixels.">_height</a>);
<a name="l00011"></a>00011 }
<a name="l00012"></a>00012
<a name="l00013"></a><a class="code" href="class_screen_panel.html#a843296c130c75beb41ada9ba3eddd457">00013</a> <a class="code" href="class_screen_panel.html#a843296c130c75beb41ada9ba3eddd457" title="Destructor to ensure that sub-bitmap memory is deallocated.">ScreenPanel::~ScreenPanel</a>()
<a name="l00014"></a>00014 {
<a name="l00015"></a>00015 al_destroy_bitmap(<a class="code" href="class_screen_panel.html#a1a3ec8e60be5d5cede210171bda33468" title="The back buffer. Only the back buffer can be drawn to.">_back</a>);
<a name="l00016"></a>00016 al_destroy_bitmap(<a class="code" href="class_screen_panel.html#a0a3232c41ca107b2cceee73aa0e0d7fe" title="The front buffer, that is currently being shown on the screen.">_front</a>);
<a name="l00017"></a>00017 }
<a name="l00018"></a>00018
<a name="l00019"></a><a class="code" href="class_screen_panel.html#ab701d3888b13463d200be112f0eb4d82">00019</a> <span class="keywordtype">void</span> <a class="code" href="class_screen_panel.html#ab701d3888b13463d200be112f0eb4d82" title="Swaps the front and back buffers.">ScreenPanel::flip</a>()
<a name="l00020"></a>00020 {
<a name="l00021"></a>00021 ALLEGRO_BITMAP* temp = <a class="code" href="class_screen_panel.html#a1a3ec8e60be5d5cede210171bda33468" title="The back buffer. Only the back buffer can be drawn to.">_back</a>;
<a name="l00022"></a>00022 <a class="code" href="class_screen_panel.html#a1a3ec8e60be5d5cede210171bda33468" title="The back buffer. Only the back buffer can be drawn to.">_back</a> = <a class="code" href="class_screen_panel.html#a0a3232c41ca107b2cceee73aa0e0d7fe" title="The front buffer, that is currently being shown on the screen.">_front</a>;
<a name="l00023"></a>00023 <a class="code" href="class_screen_panel.html#a0a3232c41ca107b2cceee73aa0e0d7fe" title="The front buffer, that is currently being shown on the screen.">_front</a> = temp;
<a name="l00024"></a>00024 }
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