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Add a source file and a header file, which implement the color scheme used by the statistics module. Besides a few color constants, the centerpiece is a function that returns the color representing a bin and an appropriate label color. It picks a roughly equi-distant set of colors out of an already balanced set of 50 candidate colors. And it also picks white as text color when adding a label to a segment with a dark color. The color list was created using a tool by Gregor Aisch that is available on GitHub as https://github.com/gka/palettes to create multi-hued, multi-stop color scales that are safe for color blind people. This commit contains code from three authors. Dirk (main author): adaptive color scheme. Willem: Colors of single-bin charts and lines. Berthold: Infrastructure. Signed-off-by: Dirk Hohndel <dirk@hohndel.org> Signed-off-by: willemferguson <willemferguson@zoology.up.ac.za> Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
18 lines
541 B
C
18 lines
541 B
C
// SPDX-License-Identifier: GPL-2.0
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// Color constants for the various series
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#ifndef STATSCOLORS_H
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#define STATSCOLORS_H
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#include <QColor>
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inline const QColor fillColor(0x44, 0x76, 0xaa);
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inline const QColor borderColor(0x66, 0xb2, 0xff);
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inline const QColor highlightedColor(Qt::yellow);
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inline const QColor highlightedBorderColor(0xaa, 0xaa, 0x22);
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inline const QColor darkLabelColor(Qt::black);
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inline const QColor lightLabelColor(Qt::white);
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QColor binColor(int bin, int numBins);
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QColor labelColor(int bin, size_t numBins);
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#endif
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