mirror of
https://github.com/taigrr/arduinolibs
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233 lines
14 KiB
HTML
233 lines
14 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>ArduinoLibs: Dot Matrix Display Demo</title>
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<!-- Generated by Doxygen 1.7.4 -->
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<script type="text/javascript"><!--
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<tr style="height: 56px;">
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<div id="projectname">ArduinoLibs</div>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<li><a href="modules.html"><span>Modules</span></a></li>
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<li><a href="annotated.html"><span>Classes</span></a></li>
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<li><a href="files.html"><span>Files</span></a></li>
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<div class="header">
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<div class="headertitle">
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<div class="title">Dot Matrix Display Demo </div> </div>
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</div>
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<div class="contents">
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<div class="textblock"><p>This demo shows off various features of drawing with the <a class="el" href="classBitmap.html" title="Represents a monochrome bitmap within main memory.">Bitmap</a> class to a <a class="el" href="classDMD.html" title="Handle large dot matrix displays composed of LED's.">DMD</a> display:</p>
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<ul>
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<li>Drawing circles, lines, and rectangles. </li>
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<li>Filling the screen with a bitmap-based brick pattern. </li>
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<li>Drawing bitmaps directly from program memory. </li>
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<li>Drawing text in various fonts. </li>
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<li>Scrolling text in a "marquee".</li>
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</ul>
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<p><a class="el" href="dmd_running_figure.html">RunningFigure</a> provides another example of drawing and animating bitmaps.</p>
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<p>The full source code for the demo follows:</p>
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<div class="fragment"><pre class="fragment"><span class="comment">/*</span>
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<span class="comment">This example demonstrates how to use the DMD and related classes to</span>
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<span class="comment">draw things on a Freetronics Large Dot Matrix Display.</span>
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<span class="comment"></span>
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<span class="comment">This example is placed into the public domain.</span>
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<span class="comment">*/</span>
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<span class="preprocessor">#include <DMD.h></span>
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<span class="preprocessor">#include <DejaVuSans9.h></span>
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<span class="preprocessor">#include <DejaVuSansBold9.h></span>
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<span class="preprocessor">#include <DejaVuSansItalic9.h></span>
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<span class="preprocessor">#include <Mono5x7.h></span>
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<a class="code" href="classDMD.html" title="Handle large dot matrix displays composed of LED's.">DMD</a> display;
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ISR(TIMER1_OVF_vect)
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{
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display.<a class="code" href="classDMD.html#a9e4bf2a9d247312d35c1401ff61261c8" title="Refresh the display.">refresh</a>();
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}
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<span class="keywordtype">void</span> setup() {
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display.<a class="code" href="classDMD.html#a4c3b04b384f3d656a9b59690836775e2" title="Enables Timer1 overflow interrupts for updating this display.">enableTimer1</a>();
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}
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<span class="keywordtype">void</span> loop() {
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drawShapes();
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delay(1000);
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drawBricks();
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delay(1000);
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drawStickFigures();
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delay(1000);
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drawText();
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delay(1000);
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drawBoldText();
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delay(1000);
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drawItalicText();
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delay(1000);
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drawMonoText();
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delay(1000);
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drawMarquee();
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delay(500);
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}
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<span class="keywordtype">void</span> drawShapes()
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{
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display.<a class="code" href="classBitmap.html#a839dc8fab05a5ebf7a6b2e61436b2fa1" title="Clears the entire bitmap to the specified color.">clear</a>();
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display.<a class="code" href="classBitmap.html#a933763a4f3cba79fbcf97ae6d0a864aa" title="Draws a circle with a specific center (centerX, centerY) and radius, with the outline in borderColor ...">drawCircle</a>(6, 8, 3);
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display.<a class="code" href="classBitmap.html#a757291b9a39bcb0d64ac98d3a2fa061b" title="Draws a filled circle with a specific center (centerX, centerY) and radius in color.">drawFilledCircle</a>(16, 8, 3);
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display.<a class="code" href="classBitmap.html#aa0a84f3694e343d68e7021552c69f767" title="Draws a line from (x1, y1) to (x2, y2) in color.">drawLine</a>(22, 5, 28, 11);
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display.<a class="code" href="classBitmap.html#aa0a84f3694e343d68e7021552c69f767" title="Draws a line from (x1, y1) to (x2, y2) in color.">drawLine</a>(28, 5, 22, 11);
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display.<a class="code" href="classBitmap.html#aac61e3f7f625db568e37d88b52b3b2fc" title="Draws a rectangle from (x1, y1) to (x2, y2), with the outline in borderColor and the interior filled ...">drawRect</a>(0, 0, display.<a class="code" href="classBitmap.html#a76c3b49e535761f07c553e7336daf523" title="Returns the width of the bitmap in pixels.">width</a>() - 1, display.<a class="code" href="classBitmap.html#adcd4e3dc7594421e647b0f52da9a41a3" title="Returns the height of the bitmap in pixels.">height</a>() - 1);
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}
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<span class="keywordtype">void</span> drawBricks()
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{
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<span class="keyword">static</span> <span class="keyword">const</span> uint8_t bricks[] PROGMEM = {
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16, 6,
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B11111111, B11111111,
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B10000000, B10000000,
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B10000000, B10000000,
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B11111111, B11111111,
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B00001000, B00001000,
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B00001000, B00001000
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};
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display.<a class="code" href="classBitmap.html#a99da820f9280aace6b512801d5a5e2b2" title="Fills the width x height pixels starting at top-left corner (x, y) with color.">fill</a>(0, 0, display.<a class="code" href="classBitmap.html#a76c3b49e535761f07c553e7336daf523" title="Returns the width of the bitmap in pixels.">width</a>(), display.<a class="code" href="classBitmap.html#adcd4e3dc7594421e647b0f52da9a41a3" title="Returns the height of the bitmap in pixels.">height</a>(), bricks);
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}
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<span class="keywordtype">void</span> drawStickFigures()
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{
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<span class="keyword">static</span> <span class="keyword">const</span> uint8_t stickFigure[] PROGMEM = {
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9, 13,
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B00111110, B00000000,
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B01000001, B00000000,
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B01000001, B00000000,
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B00111110, B00000000,
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B00001000, B00000000,
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B00001000, B00000000,
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B11111111, B10000000,
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B00001000, B00000000,
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B00001000, B00000000,
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B00010100, B00000000,
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B00100010, B00000000,
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B01000001, B00000000,
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B10000000, B10000000
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};
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display.<a class="code" href="classBitmap.html#a839dc8fab05a5ebf7a6b2e61436b2fa1" title="Clears the entire bitmap to the specified color.">clear</a>();
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display.<a class="code" href="classBitmap.html#a491e9c0bb20ddf5a5eb4933077c8ed72" title="Draws bitmap at (x, y) in color.">drawBitmap</a>(2, 1, stickFigure);
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display.<a class="code" href="classBitmap.html#a4321640464bc08b60348c09bff01b86a" title="Draws bitmap at (x, y) in inverted colors.">drawInvertedBitmap</a>(12, 1, stickFigure);
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display.<a class="code" href="classBitmap.html#a491e9c0bb20ddf5a5eb4933077c8ed72" title="Draws bitmap at (x, y) in color.">drawBitmap</a>(22, 1, stickFigure);
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}
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<span class="keywordtype">void</span> drawText()
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{
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display.<a class="code" href="classBitmap.html#a839dc8fab05a5ebf7a6b2e61436b2fa1" title="Clears the entire bitmap to the specified color.">clear</a>();
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display.<a class="code" href="classBitmap.html#abf7adfceb267080aa9806388e96358c4" title="Sets the font for use with drawText() and drawChar().">setFont</a>(DejaVuSans9);
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(0, 0, <span class="stringliteral">"Hello"</span>);
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(9, 8, <span class="stringliteral">"World"</span>);
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}
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<span class="keywordtype">void</span> drawBoldText()
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{
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display.<a class="code" href="classBitmap.html#a839dc8fab05a5ebf7a6b2e61436b2fa1" title="Clears the entire bitmap to the specified color.">clear</a>();
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display.<a class="code" href="classBitmap.html#abf7adfceb267080aa9806388e96358c4" title="Sets the font for use with drawText() and drawChar().">setFont</a>(DejaVuSansBold9);
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(0, 0, <span class="stringliteral">"Hello"</span>);
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(4, 8, <span class="stringliteral">"World"</span>);
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}
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<span class="keywordtype">void</span> drawItalicText()
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{
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display.<a class="code" href="classBitmap.html#a839dc8fab05a5ebf7a6b2e61436b2fa1" title="Clears the entire bitmap to the specified color.">clear</a>();
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display.<a class="code" href="classBitmap.html#abf7adfceb267080aa9806388e96358c4" title="Sets the font for use with drawText() and drawChar().">setFont</a>(DejaVuSansItalic9);
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(0, 0, <span class="stringliteral">"Hello"</span>);
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(2, 8, <span class="stringliteral">"World"</span>);
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}
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<span class="keywordtype">void</span> drawMonoText()
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{
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display.<a class="code" href="classBitmap.html#a839dc8fab05a5ebf7a6b2e61436b2fa1" title="Clears the entire bitmap to the specified color.">clear</a>();
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display.<a class="code" href="classBitmap.html#abf7adfceb267080aa9806388e96358c4" title="Sets the font for use with drawText() and drawChar().">setFont</a>(Mono5x7);
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(0, 0, <span class="stringliteral">"Hello"</span>);
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(3, 8, <span class="stringliteral">"World"</span>);
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}
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<span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> message[] = <span class="stringliteral">"Eat at Joes!"</span>;
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<span class="keywordtype">void</span> drawMarquee()
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{
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<span class="keywordtype">int</span> width = display.<a class="code" href="classBitmap.html#a76c3b49e535761f07c553e7336daf523" title="Returns the width of the bitmap in pixels.">width</a>();
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display.<a class="code" href="classBitmap.html#abf7adfceb267080aa9806388e96358c4" title="Sets the font for use with drawText() and drawChar().">setFont</a>(DejaVuSans9);
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<span class="keywordtype">int</span> msgWidth = display.<a class="code" href="classBitmap.html#a0f7607b1c7867987f4500d490a666e8a" title="Returns the width in pixels of the len characters of str in the current font(), including inter-chara...">textWidth</a>(message);
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<span class="keywordtype">int</span> fullScroll = msgWidth + width + 1;
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<span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x < fullScroll; ++x) {
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display.<a class="code" href="classBitmap.html#a839dc8fab05a5ebf7a6b2e61436b2fa1" title="Clears the entire bitmap to the specified color.">clear</a>();
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display.<a class="code" href="classBitmap.html#a3e9bcbfb584d5020bd6f0a313ee275f0" title="Draws the len characters of str at (x, y).">drawText</a>(width - x, 3, message);
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delay(50);
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}
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}
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</pre></div> </div></div>
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<hr class="footer"/><address class="footer"><small>Generated on Tue Jun 12 2012 11:29:25 for ArduinoLibs by 
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