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