Mercurial > hg > svgui
view layer/ColourMapper.cpp @ 1447:8afea53332f3 single-point
Add option to make pane sizes auto-resize-only (i.e. remove user control via a splitter); also place alignment views above panes instead of below, meaning the extra bit of space that we currently have for the pane without one at least goes to the primary pane
author | Chris Cannam |
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date | Tue, 30 Apr 2019 15:53:21 +0100 |
parents | c8a6fd3f9dff |
children |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006-2016 Chris Cannam and QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "ColourMapper.h" #include <iostream> #include <cmath> #include "base/Debug.h" #include <vector> #include <QPainter> using namespace std; static vector<QColor> convertStrings(const vector<QString> &strs, bool reversed) { vector<QColor> converted; for (const auto &s: strs) converted.push_back(QColor(s)); if (reversed) { reverse(converted.begin(), converted.end()); } return converted; } static vector<QColor> ice = convertStrings({ // Based on ColorBrewer ylGnBu "#ffffff", "#ffff00", "#f7fcf0", "#e0f3db", "#ccebc5", "#a8ddb5", "#7bccc4", "#4eb3d3", "#2b8cbe", "#0868ac", "#084081", "#042040" }, true); static vector<QColor> cherry = convertStrings({ "#f7f7f7", "#fddbc7", "#f4a582", "#d6604d", "#b2182b", "#dd3497", "#ae017e", "#7a0177", "#49006a" }, true); static vector<QColor> magma = convertStrings({ "#FCFFB2", "#FCDF96", "#FBC17D", "#FBA368", "#FA8657", "#F66B4D", "#ED504A", "#E03B50", "#C92D59", "#B02363", "#981D69", "#81176D", "#6B116F", "#57096E", "#43006A", "#300060", "#1E0848", "#110B2D", "#080616", "#000005" }, true); static vector<QColor> cividis = convertStrings({ "#00204c", "#00204e", "#002150", "#002251", "#002353", "#002355", "#002456", "#002558", "#00265a", "#00265b", "#00275d", "#00285f", "#002861", "#002963", "#002a64", "#002a66", "#002b68", "#002c6a", "#002d6c", "#002d6d", "#002e6e", "#002e6f", "#002f6f", "#002f6f", "#00306f", "#00316f", "#00316f", "#00326e", "#00336e", "#00346e", "#00346e", "#01356e", "#06366e", "#0a376d", "#0e376d", "#12386d", "#15396d", "#17396d", "#1a3a6c", "#1c3b6c", "#1e3c6c", "#203c6c", "#223d6c", "#243e6c", "#263e6c", "#273f6c", "#29406b", "#2b416b", "#2c416b", "#2e426b", "#2f436b", "#31446b", "#32446b", "#33456b", "#35466b", "#36466b", "#37476b", "#38486b", "#3a496b", "#3b496b", "#3c4a6b", "#3d4b6b", "#3e4b6b", "#404c6b", "#414d6b", "#424e6b", "#434e6b", "#444f6b", "#45506b", "#46506b", "#47516b", "#48526b", "#49536b", "#4a536b", "#4b546b", "#4c556b", "#4d556b", "#4e566b", "#4f576c", "#50586c", "#51586c", "#52596c", "#535a6c", "#545a6c", "#555b6c", "#565c6c", "#575d6d", "#585d6d", "#595e6d", "#5a5f6d", "#5b5f6d", "#5c606d", "#5d616e", "#5e626e", "#5f626e", "#5f636e", "#60646e", "#61656f", "#62656f", "#63666f", "#64676f", "#65676f", "#666870", "#676970", "#686a70", "#686a70", "#696b71", "#6a6c71", "#6b6d71", "#6c6d72", "#6d6e72", "#6e6f72", "#6f6f72", "#6f7073", "#707173", "#717273", "#727274", "#737374", "#747475", "#757575", "#757575", "#767676", "#777776", "#787876", "#797877", "#7a7977", "#7b7a77", "#7b7b78", "#7c7b78", "#7d7c78", "#7e7d78", "#7f7e78", "#807e78", "#817f78", "#828078", "#838178", "#848178", "#858278", "#868378", "#878478", "#888578", "#898578", "#8a8678", "#8b8778", "#8c8878", "#8d8878", "#8e8978", "#8f8a78", "#908b78", "#918c78", "#928c78", "#938d78", "#948e78", "#958f78", "#968f77", "#979077", "#989177", "#999277", "#9a9377", "#9b9377", "#9c9477", "#9d9577", "#9e9676", "#9f9776", "#a09876", "#a19876", "#a29976", "#a39a75", "#a49b75", "#a59c75", "#a69c75", "#a79d75", "#a89e74", "#a99f74", "#aaa074", "#aba174", "#aca173", "#ada273", "#aea373", "#afa473", "#b0a572", "#b1a672", "#b2a672", "#b4a771", "#b5a871", "#b6a971", "#b7aa70", "#b8ab70", "#b9ab70", "#baac6f", "#bbad6f", "#bcae6e", "#bdaf6e", "#beb06e", "#bfb16d", "#c0b16d", "#c1b26c", "#c2b36c", "#c3b46c", "#c5b56b", "#c6b66b", "#c7b76a", "#c8b86a", "#c9b869", "#cab969", "#cbba68", "#ccbb68", "#cdbc67", "#cebd67", "#d0be66", "#d1bf66", "#d2c065", "#d3c065", "#d4c164", "#d5c263", "#d6c363", "#d7c462", "#d8c561", "#d9c661", "#dbc760", "#dcc860", "#ddc95f", "#deca5e", "#dfcb5d", "#e0cb5d", "#e1cc5c", "#e3cd5b", "#e4ce5b", "#e5cf5a", "#e6d059", "#e7d158", "#e8d257", "#e9d356", "#ebd456", "#ecd555", "#edd654", "#eed753", "#efd852", "#f0d951", "#f1da50", "#f3db4f", "#f4dc4e", "#f5dd4d", "#f6de4c", "#f7df4b", "#f9e049", "#fae048", "#fbe147", "#fce246", "#fde345", "#ffe443", "#ffe542", "#ffe642", "#ffe743", "#ffe844", "#ffe945" }, false); static void mapDiscrete(double norm, vector<QColor> &colours, double &r, double &g, double &b) { int n = int(colours.size()); double m = norm * (n-1); if (m >= n-1) { colours[n-1].getRgbF(&r, &g, &b, nullptr); return; } if (m <= 0) { colours[0].getRgbF(&r, &g, &b, nullptr); return; } int base(int(floor(m))); double prop0 = (base + 1.0) - m, prop1 = m - base; QColor c0(colours[base]), c1(colours[base+1]); r = c0.redF() * prop0 + c1.redF() * prop1; g = c0.greenF() * prop0 + c1.greenF() * prop1; b = c0.blueF() * prop0 + c1.blueF() * prop1; } ColourMapper::ColourMapper(int map, bool inverted, double min, double max) : m_map(map), m_inverted(inverted), m_min(min), m_max(max) { if (m_min == m_max) { SVCERR << "WARNING: ColourMapper: min == max (== " << m_min << "), adjusting" << endl; m_max = m_min + 1; } } ColourMapper::~ColourMapper() { } int ColourMapper::getColourMapCount() { return 15; } QString ColourMapper::getColourMapLabel(int n) { // When adding a map, be sure to also update getColourMapCount() if (n >= getColourMapCount()) return QObject::tr("<unknown>"); ColourMap map = (ColourMap)n; switch (map) { case Green: return QObject::tr("Green"); case WhiteOnBlack: return QObject::tr("White on Black"); case BlackOnWhite: return QObject::tr("Black on White"); case Cherry: return QObject::tr("Cherry"); case Wasp: return QObject::tr("Wasp"); case Ice: return QObject::tr("Ice"); case Sunset: return QObject::tr("Sunset"); case FruitSalad: return QObject::tr("Fruit Salad"); case Banded: return QObject::tr("Banded"); case Highlight: return QObject::tr("Highlight"); case Printer: return QObject::tr("Printer"); case HighGain: return QObject::tr("High Gain"); case BlueOnBlack: return QObject::tr("Blue on Black"); case Cividis: return QObject::tr("Cividis"); case Magma: return QObject::tr("Magma"); } return QObject::tr("<unknown>"); } QString ColourMapper::getColourMapId(int n) { if (n >= getColourMapCount()) return "<unknown>"; ColourMap map = (ColourMap)n; switch (map) { case Green: return "Green"; case WhiteOnBlack: return "White on Black"; case BlackOnWhite: return "Black on White"; case Cherry: return "Cherry"; case Wasp: return "Wasp"; case Ice: return "Ice"; case Sunset: return "Sunset"; case FruitSalad: return "Fruit Salad"; case Banded: return "Banded"; case Highlight: return "Highlight"; case Printer: return "Printer"; case HighGain: return "High Gain"; case BlueOnBlack: return "Blue on Black"; case Cividis: return "Cividis"; case Magma: return "Magma"; } return "<unknown>"; } int ColourMapper::getColourMapById(QString id) { ColourMap map = (ColourMap)getColourMapCount(); if (id == "Green") { map = Green; } else if (id == "White on Black") { map = WhiteOnBlack; } else if (id == "Black on White") { map = BlackOnWhite; } else if (id == "Cherry") { map = Cherry; } else if (id == "Wasp") { map = Wasp; } else if (id == "Ice") { map = Ice; } else if (id == "Sunset") { map = Sunset; } else if (id == "Fruit Salad") { map = FruitSalad; } else if (id == "Banded") { map = Banded; } else if (id == "Highlight") { map = Highlight; } else if (id == "Printer") { map = Printer; } else if (id == "High Gain") { map = HighGain; } else if (id == "Blue on Black") { map = BlueOnBlack; } else if (id == "Cividis") { map = Cividis; } else if (id == "Magma") { map = Magma; } if (map == (ColourMap)getColourMapCount()) { return -1; } else { return int(map); } } int ColourMapper::getBackwardCompatibilityColourMap(int n) { /* Returned value should be an index into the series * (Default/Green, Sunset, WhiteOnBlack, BlackOnWhite, RedOnBlue, * YellowOnBlack, BlueOnBlack, FruitSalad, Banded, Highlight, * Printer, HighGain). Minimum 0, maximum 11. */ if (n >= getColourMapCount()) return 0; ColourMap map = (ColourMap)n; switch (map) { case Green: return 0; case WhiteOnBlack: return 2; case BlackOnWhite: return 3; case Cherry: return 4; case Wasp: return 5; case Ice: return 6; case Sunset: return 1; case FruitSalad: return 7; case Banded: return 8; case Highlight: return 9; case Printer: return 10; case HighGain: return 11; case BlueOnBlack: return 6; case Cividis: return 6; case Magma: return 1; } return 0; } QColor ColourMapper::map(double value) const { double norm = (value - m_min) / (m_max - m_min); if (norm < 0.0) norm = 0.0; if (norm > 1.0) norm = 1.0; if (m_inverted) { norm = 1.0 - norm; } double h = 0.0, s = 0.0, v = 0.0, r = 0.0, g = 0.0, b = 0.0; bool hsv = true; double blue = 0.6666, pieslice = 0.3333; if (m_map >= getColourMapCount()) return Qt::black; ColourMap map = (ColourMap)m_map; switch (map) { case Green: h = blue - norm * 2.0 * pieslice; s = 0.5f + norm/2.0; v = norm; break; case WhiteOnBlack: r = g = b = norm; hsv = false; break; case BlackOnWhite: r = g = b = 1.0 - norm; hsv = false; break; case Cherry: hsv = false; mapDiscrete(norm, cherry, r, g, b); break; case Wasp: h = 0.15; s = 1.0; v = norm; break; case BlueOnBlack: h = blue; s = 1.0; v = norm * 2.0; if (v > 1.0) { v = 1.0; s = 1.0 - (sqrt(norm) - 0.707) * 3.413; if (s < 0.0) s = 0.0; if (s > 1.0) s = 1.0; } break; case Sunset: r = (norm - 0.24) * 2.38; if (r > 1.0) r = 1.0; if (r < 0.0) r = 0.0; g = (norm - 0.64) * 2.777; if (g > 1.0) g = 1.0; if (g < 0.0) g = 0.0; b = (3.6f * norm); if (norm > 0.277) b = 2.0 - b; if (b > 1.0) b = 1.0; if (b < 0.0) b = 0.0; hsv = false; break; case FruitSalad: h = blue + (pieslice/6.0) - norm; if (h < 0.0) h += 1.0; s = 1.0; v = 1.0; break; case Banded: if (norm < 0.125) return Qt::darkGreen; else if (norm < 0.25) return Qt::green; else if (norm < 0.375) return Qt::darkBlue; else if (norm < 0.5) return Qt::blue; else if (norm < 0.625) return Qt::darkYellow; else if (norm < 0.75) return Qt::yellow; else if (norm < 0.875) return Qt::darkRed; else return Qt::red; break; case Highlight: if (norm > 0.99) return Qt::white; else return Qt::darkBlue; case Printer: if (norm > 0.8) { r = 1.0; } else if (norm > 0.7) { r = 0.9; } else if (norm > 0.6) { r = 0.8; } else if (norm > 0.5) { r = 0.7; } else if (norm > 0.4) { r = 0.6; } else if (norm > 0.3) { r = 0.5; } else if (norm > 0.2) { r = 0.4; } else { r = 0.0; } r = g = b = 1.0 - r; hsv = false; break; case HighGain: if (norm <= 1.0 / 256.0) { norm = 0.0; } else { norm = 0.1f + (pow(((norm - 0.5) * 2.0), 3.0) + 1.0) / 2.081; } // now as for Sunset r = (norm - 0.24) * 2.38; if (r > 1.0) r = 1.0; if (r < 0.0) r = 0.0; g = (norm - 0.64) * 2.777; if (g > 1.0) g = 1.0; if (g < 0.0) g = 0.0; b = (3.6f * norm); if (norm > 0.277) b = 2.0 - b; if (b > 1.0) b = 1.0; if (b < 0.0) b = 0.0; hsv = false; /* if (r > 1.0) r = 1.0; r = g = b = 1.0 - r; hsv = false; */ break; case Ice: hsv = false; mapDiscrete(norm, ice, r, g, b); break; case Cividis: hsv = false; mapDiscrete(norm, cividis, r, g, b); break; case Magma: hsv = false; mapDiscrete(norm, magma, r, g, b); break; } if (hsv) { return QColor::fromHsvF(h, s, v); } else { return QColor::fromRgbF(r, g, b); } } QColor ColourMapper::getContrastingColour() const { if (m_map >= getColourMapCount()) return Qt::white; ColourMap map = (ColourMap)m_map; switch (map) { case Green: return QColor(255, 150, 50); case WhiteOnBlack: return Qt::red; case BlackOnWhite: return Qt::darkGreen; case Cherry: return Qt::green; case Wasp: return QColor::fromHsv(240, 255, 255); case Ice: return Qt::red; case Sunset: return Qt::white; case FruitSalad: return Qt::white; case Banded: return Qt::cyan; case Highlight: return Qt::red; case Printer: return Qt::red; case HighGain: return Qt::red; case BlueOnBlack: return Qt::red; case Cividis: return Qt::white; case Magma: return Qt::white; } return Qt::white; } bool ColourMapper::hasLightBackground() const { if (m_map >= getColourMapCount()) return false; ColourMap map = (ColourMap)m_map; switch (map) { case BlackOnWhite: case Printer: case HighGain: return true; case Green: case Sunset: case WhiteOnBlack: case Cherry: case Wasp: case Ice: case FruitSalad: case Banded: case Highlight: case BlueOnBlack: case Cividis: case Magma: default: return false; } } QPixmap ColourMapper::getExamplePixmap(QSize size) const { QPixmap pmap(size); pmap.fill(Qt::white); QPainter paint(&pmap); int w = size.width(), h = size.height(); int margin = 2; if (w < 4 || h < 4) margin = 0; else if (w < 8 || h < 8) margin = 1; int n = w - margin*2; for (int x = 0; x < n; ++x) { double value = m_min + ((m_max - m_min) * x) / (n-1); QColor colour(map(value)); paint.setPen(colour); paint.drawLine(x + margin, margin, x + margin, h - margin); } return pmap; }