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<div class="title">Color utility functions</div> </div>
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<p>A variety of functions for working with color, palletes, and leds.
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_c_h_s_v_palette16.html">CHSVPalette16</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_c_h_s_v_palette256.html">CHSVPalette256</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_c_r_g_b_palette16.html">CRGBPalette16</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_c_r_g_b_palette256.html">CRGBPalette256</a></td></tr>
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typedef uint32_t </td><td class="memItemRight" valign="bottom"><b>TProgmemRGBPalette16</b>[16]</td></tr>
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typedef uint32_t </td><td class="memItemRight" valign="bottom"><b>TProgmemHSVPalette16</b>[16]</td></tr>
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<b>BACKWARD_HUES</b>,
<b>SHORTEST_HUES</b>,
<b>LONGEST_HUES</b>
}</td></tr>
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<b>BLEND</b> =1
}</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:gac84d8820fd175567ba66413dfb8bc63b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac84d8820fd175567ba66413dfb8bc63b"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___colorutils.html#gac84d8820fd175567ba66413dfb8bc63b">fill_solid</a> (struct <a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, int numToFill, const struct <a class="el" href="struct_c_r_g_b.html">CRGB</a> &color)</td></tr>
<tr class="memdesc:gac84d8820fd175567ba66413dfb8bc63b"><td class="mdescLeft"> </td><td class="mdescRight">fill_solid - fill a range of LEDs with a solid color Example: fill_solid( leds, NUM_LEDS, CRGB(50,0,200)); <br /></td></tr>
<tr class="separator:gac84d8820fd175567ba66413dfb8bc63b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gad1abf13328e8dd1c483a270af77b17ed"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gad1abf13328e8dd1c483a270af77b17ed"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___colorutils.html#gad1abf13328e8dd1c483a270af77b17ed">fill_solid</a> (struct <a class="el" href="struct_c_h_s_v.html">CHSV</a> *targetArray, int numToFill, const struct <a class="el" href="struct_c_h_s_v.html">CHSV</a> &hsvColor)</td></tr>
<tr class="memdesc:gad1abf13328e8dd1c483a270af77b17ed"><td class="mdescLeft"> </td><td class="mdescRight">fill_solid - fill a range of LEDs with a solid color Example: fill_solid( leds, NUM_LEDS, CRGB(50,0,200)); <br /></td></tr>
<tr class="separator:gad1abf13328e8dd1c483a270af77b17ed"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafcc7dac88e25736ebc49a9faf2a1c2e2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gafcc7dac88e25736ebc49a9faf2a1c2e2"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___colorutils.html#gafcc7dac88e25736ebc49a9faf2a1c2e2">fill_rainbow</a> (struct <a class="el" href="struct_c_r_g_b.html">CRGB</a> *pFirstLED, int numToFill, uint8_t initialhue, uint8_t deltahue=5)</td></tr>
<tr class="memdesc:gafcc7dac88e25736ebc49a9faf2a1c2e2"><td class="mdescLeft"> </td><td class="mdescRight">fill_rainbow - fill a range of LEDs with a rainbow of colors, at full saturation and full value (brightness) <br /></td></tr>
<tr class="separator:gafcc7dac88e25736ebc49a9faf2a1c2e2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac3052a230febda0693517ce9d12aa452"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac3052a230febda0693517ce9d12aa452"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___colorutils.html#gac3052a230febda0693517ce9d12aa452">fill_rainbow</a> (struct <a class="el" href="struct_c_h_s_v.html">CHSV</a> *targetArray, int numToFill, uint8_t initialhue, uint8_t deltahue=5)</td></tr>
<tr class="memdesc:gac3052a230febda0693517ce9d12aa452"><td class="mdescLeft"> </td><td class="mdescRight">fill_rainbow - fill a range of LEDs with a rainbow of colors, at full saturation and full value (brightness) <br /></td></tr>
<tr class="separator:gac3052a230febda0693517ce9d12aa452"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3144bb2bb66aeed33e20f4fdd6cc1a98"><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr class="memitem:ga3144bb2bb66aeed33e20f4fdd6cc1a98"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___colorutils.html#ga3144bb2bb66aeed33e20f4fdd6cc1a98">fill_gradient</a> (T *targetArray, uint16_t startpos, <a class="el" href="struct_c_h_s_v.html">CHSV</a> startcolor, uint16_t endpos, <a class="el" href="struct_c_h_s_v.html">CHSV</a> endcolor, TGradientDirectionCode directionCode=SHORTEST_HUES)</td></tr>
<tr class="memdesc:ga3144bb2bb66aeed33e20f4fdd6cc1a98"><td class="mdescLeft"> </td><td class="mdescRight">fill_gradient - fill an array of colors with a smooth HSV gradient between two specified HSV colors. <a href="#ga3144bb2bb66aeed33e20f4fdd6cc1a98">More...</a><br /></td></tr>
<tr class="separator:ga3144bb2bb66aeed33e20f4fdd6cc1a98"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gace693b077794f9b6aa80875fdd550a68"><td class="memTemplParams" colspan="2"><a class="anchor" id="gace693b077794f9b6aa80875fdd550a68"></a>
template<typename T > </td></tr>
<tr class="memitem:gace693b077794f9b6aa80875fdd550a68"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>fill_gradient</b> (T *targetArray, uint16_t numLeds, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c1, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c2, TGradientDirectionCode directionCode=SHORTEST_HUES)</td></tr>
<tr class="separator:gace693b077794f9b6aa80875fdd550a68"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3a46ed6b7043382df172d7501785033c"><td class="memTemplParams" colspan="2"><a class="anchor" id="ga3a46ed6b7043382df172d7501785033c"></a>
template<typename T > </td></tr>
<tr class="memitem:ga3a46ed6b7043382df172d7501785033c"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>fill_gradient</b> (T *targetArray, uint16_t numLeds, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c1, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c2, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c3, TGradientDirectionCode directionCode=SHORTEST_HUES)</td></tr>
<tr class="separator:ga3a46ed6b7043382df172d7501785033c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga396996c5e505e459b418330f4386f779"><td class="memTemplParams" colspan="2"><a class="anchor" id="ga396996c5e505e459b418330f4386f779"></a>
template<typename T > </td></tr>
<tr class="memitem:ga396996c5e505e459b418330f4386f779"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>fill_gradient</b> (T *targetArray, uint16_t numLeds, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c1, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c2, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c3, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &c4, TGradientDirectionCode directionCode=SHORTEST_HUES)</td></tr>
<tr class="separator:ga396996c5e505e459b418330f4386f779"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6afaa1f712186a4b67445f69871cad88"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga6afaa1f712186a4b67445f69871cad88"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_gradient_RGB</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t startpos, <a class="el" href="struct_c_r_g_b.html">CRGB</a> startcolor, uint16_t endpos, <a class="el" href="struct_c_r_g_b.html">CRGB</a> endcolor)</td></tr>
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<tr class="memitem:gad86495ad60871dacb19923fe9ddde262"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gad86495ad60871dacb19923fe9ddde262"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_gradient_RGB</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t numLeds, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c1, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c2)</td></tr>
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<tr class="memitem:gac5c3a84d4647d94f946a4696e02d698b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac5c3a84d4647d94f946a4696e02d698b"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_gradient_RGB</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t numLeds, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c1, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c2, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c3)</td></tr>
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<tr class="memitem:ga570fbfd0ac82ef3e4e05d3958b641d7a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga570fbfd0ac82ef3e4e05d3958b641d7a"></a>
void </td><td class="memItemRight" valign="bottom"><b>fill_gradient_RGB</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t numLeds, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c1, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c2, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c3, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &c4)</td></tr>
<tr class="separator:ga570fbfd0ac82ef3e4e05d3958b641d7a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac1e25878d16efa6112d907738f525773"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac1e25878d16efa6112d907738f525773"></a>
void </td><td class="memItemRight" valign="bottom"><b>fadeLightBy</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t num_leds, uint8_t fadeBy)</td></tr>
<tr class="separator:gac1e25878d16efa6112d907738f525773"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaff656b0046fac0d40b8eb02941ce1755"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaff656b0046fac0d40b8eb02941ce1755"></a>
void </td><td class="memItemRight" valign="bottom"><b>fade_video</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t num_leds, uint8_t fadeBy)</td></tr>
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<tr class="memitem:ga956be37436f2b9c06c99d24263ef8e83"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga956be37436f2b9c06c99d24263ef8e83"></a>
void </td><td class="memItemRight" valign="bottom"><b>nscale8_video</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t num_leds, uint8_t scale)</td></tr>
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<tr class="memitem:ga404d163d8a422cee2df2baac4151ca98"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga404d163d8a422cee2df2baac4151ca98"></a>
void </td><td class="memItemRight" valign="bottom"><b>fadeToBlackBy</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t num_leds, uint8_t fadeBy)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>fade_raw</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t num_leds, uint8_t fadeBy)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>nscale8</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t num_leds, uint8_t scale)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>fadeUsingColor</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t numLeds, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &colormask)</td></tr>
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<a class="el" href="struct_c_r_g_b.html">CRGB</a> </td><td class="memItemRight" valign="bottom"><b>blend</b> (const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &p1, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &p2, fract8 amountOfP2)</td></tr>
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<a class="el" href="struct_c_h_s_v.html">CHSV</a> </td><td class="memItemRight" valign="bottom"><b>blend</b> (const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &p1, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &p2, fract8 amountOfP2, TGradientDirectionCode directionCode=SHORTEST_HUES)</td></tr>
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<a class="el" href="struct_c_r_g_b.html">CRGB</a> * </td><td class="memItemRight" valign="bottom"><b>blend</b> (const <a class="el" href="struct_c_r_g_b.html">CRGB</a> *src1, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> *src2, <a class="el" href="struct_c_r_g_b.html">CRGB</a> *dest, uint16_t count, fract8 amountOfsrc2)</td></tr>
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<a class="el" href="struct_c_h_s_v.html">CHSV</a> * </td><td class="memItemRight" valign="bottom"><b>blend</b> (const <a class="el" href="struct_c_h_s_v.html">CHSV</a> *src1, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> *src2, <a class="el" href="struct_c_h_s_v.html">CHSV</a> *dest, uint16_t count, fract8 amountOfsrc2, TGradientDirectionCode directionCode=SHORTEST_HUES)</td></tr>
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<a class="el" href="struct_c_r_g_b.html">CRGB</a> & </td><td class="memItemRight" valign="bottom"><b>nblend</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> &existing, const <a class="el" href="struct_c_r_g_b.html">CRGB</a> &overlay, fract8 amountOfOverlay)</td></tr>
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<a class="el" href="struct_c_h_s_v.html">CHSV</a> & </td><td class="memItemRight" valign="bottom"><b>nblend</b> (<a class="el" href="struct_c_h_s_v.html">CHSV</a> &existing, const <a class="el" href="struct_c_h_s_v.html">CHSV</a> &overlay, fract8 amountOfOverlay, TGradientDirectionCode directionCode=SHORTEST_HUES)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>nblend</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *existing, <a class="el" href="struct_c_r_g_b.html">CRGB</a> *overlay, uint16_t count, fract8 amountOfOverlay)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>nblend</b> (<a class="el" href="struct_c_h_s_v.html">CHSV</a> *existing, <a class="el" href="struct_c_h_s_v.html">CHSV</a> *overlay, uint16_t count, fract8 amountOfOverlay, TGradientDirectionCode directionCode=SHORTEST_HUES)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>blur1d</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint16_t numLeds, fract8 blur_amount)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>blur2d</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint8_t width, uint8_t height, fract8 blur_amount)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>blurRows</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint8_t width, uint8_t height, fract8 blur_amount)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>blurColumns</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *leds, uint8_t width, uint8_t height, fract8 blur_amount)</td></tr>
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<a class="el" href="struct_c_r_g_b.html">CRGB</a> </td><td class="memItemRight" valign="bottom"><b>HeatColor</b> (uint8_t temperature)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>UpscalePalette</b> (const struct <a class="el" href="class_c_r_g_b_palette16.html">CRGBPalette16</a> &srcpal16, struct <a class="el" href="class_c_r_g_b_palette256.html">CRGBPalette256</a> &destpal256)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>UpscalePalette</b> (const struct <a class="el" href="class_c_h_s_v_palette16.html">CHSVPalette16</a> &srcpal16, struct <a class="el" href="class_c_h_s_v_palette256.html">CHSVPalette256</a> &destpal256)</td></tr>
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<a class="el" href="struct_c_r_g_b.html">CRGB</a> </td><td class="memItemRight" valign="bottom"><b>ColorFromPalette</b> (const <a class="el" href="class_c_r_g_b_palette16.html">CRGBPalette16</a> &pal, uint8_t index, uint8_t brightness=255, TBlendType blendType=BLEND)</td></tr>
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<a class="el" href="struct_c_r_g_b.html">CRGB</a> </td><td class="memItemRight" valign="bottom"><b>ColorFromPalette</b> (const TProgmemRGBPalette16 &pal, uint8_t index, uint8_t brightness=255, TBlendType blendType=BLEND)</td></tr>
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<a class="el" href="struct_c_r_g_b.html">CRGB</a> </td><td class="memItemRight" valign="bottom"><b>ColorFromPalette</b> (const <a class="el" href="class_c_r_g_b_palette256.html">CRGBPalette256</a> &pal, uint8_t index, uint8_t brightness=255, TBlendType blendType=NOBLEND)</td></tr>
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<a class="el" href="struct_c_h_s_v.html">CHSV</a> </td><td class="memItemRight" valign="bottom"><b>ColorFromPalette</b> (const <a class="el" href="class_c_h_s_v_palette16.html">CHSVPalette16</a> &pal, uint8_t index, uint8_t brightness=255, TBlendType blendType=BLEND)</td></tr>
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<a class="el" href="struct_c_h_s_v.html">CHSV</a> </td><td class="memItemRight" valign="bottom"><b>ColorFromPalette</b> (const <a class="el" href="class_c_h_s_v_palette256.html">CHSVPalette256</a> &pal, uint8_t index, uint8_t brightness=255, TBlendType blendType=NOBLEND)</td></tr>
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template<typename PALETTE > </td></tr>
<tr class="memitem:gad6431776a18268d286d146158e25cb36"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>fill_palette</b> (<a class="el" href="struct_c_r_g_b.html">CRGB</a> *L, uint16_t N, uint8_t startIndex, uint8_t incIndex, const PALETTE &pal, uint8_t brightness, TBlendType blendType)</td></tr>
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template<typename PALETTE > </td></tr>
<tr class="memitem:ga61a6b3b99ea32e9287f72f1b32f0c663"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>map_data_into_colors_through_palette</b> (uint8_t *dataArray, uint16_t dataCount, <a class="el" href="struct_c_r_g_b.html">CRGB</a> *targetColorArray, const PALETTE &pal, uint8_t brightness=255, uint8_t opacity=255, TBlendType blendType=BLEND)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>nblendPaletteTowardPalette</b> (<a class="el" href="class_c_r_g_b_palette16.html">CRGBPalette16</a> &currentPalette, <a class="el" href="class_c_r_g_b_palette16.html">CRGBPalette16</a> &targetPalette, uint8_t maxChanges=24)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>A variety of functions for working with color, palletes, and leds. </p>
<h2 class="groupheader">Function Documentation</h2>
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template<typename T > </div>
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<td class="memname">void fill_gradient </td>
<td>(</td>
<td class="paramtype">T * </td>
<td class="paramname"><em>targetArray</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint16_t </td>
<td class="paramname"><em>startpos</em>, </td>
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<td class="paramtype"><a class="el" href="struct_c_h_s_v.html">CHSV</a> </td>
<td class="paramname"><em>startcolor</em>, </td>
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<td class="paramtype">uint16_t </td>
<td class="paramname"><em>endpos</em>, </td>
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<td class="paramtype"><a class="el" href="struct_c_h_s_v.html">CHSV</a> </td>
<td class="paramname"><em>endcolor</em>, </td>
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<td class="paramtype">TGradientDirectionCode </td>
<td class="paramname"><em>directionCode</em> = <code>SHORTEST_HUES</code> </td>
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<td>)</td>
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</div><div class="memdoc">
<p>fill_gradient - fill an array of colors with a smooth HSV gradient between two specified HSV colors. </p>
<p>Since 'hue' is a value around a color wheel, there are always two ways to sweep from one hue to another. This function lets you specify which way you want the hue gradient to sweep around the color wheel: FORWARD_HUES: hue always goes clockwise BACKWARD_HUES: hue always goes counter-clockwise SHORTEST_HUES: hue goes whichever way is shortest LONGEST_HUES: hue goes whichever way is longest The default is SHORTEST_HUES, as this is nearly always what is wanted.</p>
<p>fill_gradient can write the gradient colors EITHER (1) into an array of CRGBs (e.g., into leds[] array, or an RGB Palette) OR (2) into an array of CHSVs (e.g. an HSV Palette).</p>
<p>In the case of writing into a <a class="el" href="struct_c_r_g_b.html">CRGB</a> array, the gradient is computed in HSV space, and then HSV values are converted to RGB as they're written into the RGB array. </p>
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