#include "divergentcolorscale.h" #include DivergentColorScale::DivergentColorScale(const Color &color1, const Color &colorMiddle, const Color &color2) : ColorScale{{color1, colorMiddle, color2}} { } Color DivergentColorScale::color(float t) const { if (t < m_min || t > m_max) { return Color(); } // normalize t t /= std::max(fabs(m_max), fabs(m_min)); if (t > 0.0f) { return ColorScale::lerp(m_colors[1], m_colors[2], t); } if (t < 0.0f) { return ColorScale::lerp(m_colors[1], m_colors[0], -t); } return m_colors[1]; } DivergentColorScale DivergentColorScale::builtin(BuiltinDivergentColorScale scale) { switch (scale) { case RedGrayBlue: return DivergentColorScale(Color(68, 68, 221), Color(189, 189, 189), Color(221, 68, 68)); /*return ContinuousColorScale{ Color(221, 68, 68), Color(220, 69, 68), Color(220, 70, 69), Color(220, 71, 70), Color(220, 73, 71), Color(220, 74, 72), Color(220, 75, 73), Color(220, 77, 74), Color(220, 78, 75), Color(220, 79, 76), Color(220, 80, 76), Color(220, 81, 77), Color(220, 83, 78), Color(220, 84, 79), Color(220, 85, 80), Color(220, 86, 81), Color(220, 87, 82), Color(220, 88, 83), Color(220, 89, 84), Color(220, 91, 85), Color(220, 92, 85), Color(220, 93, 86), Color(220, 94, 87), Color(220, 95, 88), Color(220, 96, 89), Color(220, 97, 90), Color(220, 98, 91), Color(219, 99, 92), Color(219, 100, 93), Color(219, 101, 94), Color(219, 102, 95), Color(219, 103, 95), Color(219, 104, 96), Color(219, 105, 97), Color(219, 106, 98), Color(219, 107, 99), Color(219, 108, 100), Color(218, 109, 101), Color(218, 110, 102), Color(218, 111, 103), Color(218, 112, 104), Color(218, 113, 105), Color(218, 114, 106), Color(218, 115, 107), Color(218, 116, 108), Color(217, 117, 108), Color(217, 118, 109), Color(217, 119, 110), Color(217, 120, 111), Color(217, 121, 112), Color(217, 122, 113), Color(217, 123, 114), Color(216, 124, 115), Color(216, 125, 116), Color(216, 126, 117), Color(216, 127, 118), Color(216, 127, 119), Color(215, 128, 120), Color(215, 129, 121), Color(215, 130, 122), Color(215, 131, 123), Color(215, 132, 124), Color(214, 133, 125), Color(214, 134, 126), Color(214, 135, 127), Color(214, 136, 127), Color(214, 137, 128), Color(213, 138, 129), Color(213, 138, 130), Color(213, 139, 131), Color(213, 140, 132), Color(212, 141, 133), Color(212, 142, 134), Color(212, 143, 135), Color(212, 144, 136), Color(211, 145, 137), Color(211, 146, 138), Color(211, 146, 139), Color(211, 147, 140), Color(210, 148, 141), Color(210, 149, 142), Color(210, 150, 143), Color(209, 151, 144), Color(209, 152, 145), Color(209, 153, 146), Color(208, 153, 147), Color(208, 154, 148), Color(208, 155, 149), Color(207, 156, 150), Color(207, 157, 151), Color(207, 158, 152), Color(206, 159, 153), Color(206, 160, 154), Color(206, 160, 155), Color(205, 161, 156), Color(205, 162, 157), Color(205, 163, 158), Color(204, 164, 159), Color(204, 165, 160), Color(203, 166, 161), Color(203, 166, 162), Color(203, 167, 163), Color(202, 168, 164), Color(202, 169, 165), Color(201, 170, 166), Color(201, 171, 167), Color(201, 171, 168), Color(200, 172, 169), Color(200, 173, 170), Color(199, 174, 171), Color(199, 175, 172), Color(198, 176, 173), Color(198, 177, 174), Color(197, 177, 175), Color(197, 178, 176), Color(196, 179, 177), Color(196, 180, 178), Color(195, 181, 179), Color(195, 182, 180), Color(194, 182, 181), Color(194, 183, 182), Color(193, 184, 183), Color(193, 185, 184), Color(192, 186, 185), Color(192, 187, 186), Color(191, 187, 187), Color(190, 188, 188), Color(190, 189, 189), Color(189, 189, 190), Color(189, 188, 190), Color(188, 187, 190), Color(187, 186, 191), Color(187, 185, 191), Color(186, 184, 191), Color(185, 183, 191), Color(185, 182, 192), Color(184, 181, 192), Color(184, 180, 192), Color(183, 179, 193), Color(182, 178, 193), Color(182, 177, 193), Color(181, 176, 194), Color(180, 175, 194), Color(180, 174, 194), Color(179, 173, 194), Color(178, 172, 195), Color(178, 171, 195), Color(177, 170, 195), Color(176, 169, 196), Color(176, 168, 196), Color(175, 167, 196), Color(174, 166, 196), Color(174, 165, 197), Color(173, 164, 197), Color(172, 163, 197), Color(172, 162, 197), Color(171, 161, 198), Color(170, 160, 198), Color(170, 159, 198), Color(169, 158, 199), Color(168, 157, 199), Color(167, 156, 199), Color(167, 155, 199), Color(166, 155, 200), Color(165, 154, 200), Color(165, 153, 200), Color(164, 152, 200), Color(163, 151, 201), Color(162, 150, 201), Color(162, 149, 201), Color(161, 148, 201), Color(160, 147, 202), Color(159, 146, 202), Color(159, 145, 202), Color(158, 144, 202), Color(157, 143, 203), Color(156, 142, 203), Color(155, 141, 203), Color(155, 140, 203), Color(154, 139, 204), Color(153, 138, 204), Color(152, 137, 204), Color(152, 136, 204), Color(151, 135, 205), Color(150, 134, 205), Color(149, 133, 205), Color(148, 132, 205), Color(147, 131, 206), Color(147, 130, 206), Color(146, 129, 206), Color(145, 128, 206), Color(144, 128, 207), Color(143, 127, 207), Color(142, 126, 207), Color(142, 125, 207), Color(141, 124, 208), Color(140, 123, 208), Color(139, 122, 208), Color(138, 121, 208), Color(137, 120, 209), Color(136, 119, 209), Color(135, 118, 209), Color(134, 117, 209), Color(133, 116, 209), Color(133, 115, 210), Color(132, 114, 210), Color(131, 113, 210), Color(130, 112, 210), Color(129, 111, 211), Color(128, 110, 211), Color(127, 109, 211), Color(126, 109, 211), Color(125, 108, 212), Color(124, 107, 212), Color(123, 106, 212), Color(122, 105, 212), Color(121, 104, 212), Color(120, 103, 213), Color(119, 102, 213), Color(118, 101, 213), Color(117, 100, 213), Color(115, 99, 213), Color(114, 98, 214), Color(113, 97, 214), Color(112, 96, 214), Color(111, 95, 214), Color(110, 94, 215), Color(109, 94, 215), Color(108, 93, 215), Color(106, 92, 215), Color(105, 91, 215), Color(104, 90, 216), Color(103, 89, 216), Color(101, 88, 216), Color(100, 87, 216), Color( 99, 86, 216), Color( 98, 85, 217), Color( 96, 84, 217), Color( 95, 83, 217), Color( 94, 82, 217), Color( 92, 81, 217), Color( 91, 80, 218), Color( 89, 80, 218), Color( 88, 79, 218), Color( 86, 78, 218), Color( 85, 77, 219), Color( 83, 76, 219), Color( 82, 75, 219), Color( 80, 74, 219), Color( 78, 73, 219), Color( 77, 72, 220), Color( 75, 71, 220), Color( 73, 70, 220), Color( 71, 69, 220), Color( 69, 68, 220), Color( 68, 68, 221) };*/ default: return DivergentColorScale::builtin(DivergentColorScale::RedGrayBlue); } } DivergentColorScale *DivergentColorScale::builtin(BuiltinDivergentColorScale scale, void *) { switch (scale) { case RedGrayBlue: return new DivergentColorScale(Color(68, 68, 221), Color(189, 189, 189), Color(221, 68, 68)); default: return DivergentColorScale::builtin(DivergentColorScale::RedGrayBlue, nullptr); } }