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TextEditor: Improve readability of text annotation

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Change-Id: Iddcf6951b44a73cd3e9d740d9aba725fa4d7d663
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
This commit is contained in:
David Schulz
2017-07-19 09:19:29 +02:00
parent a8fa002c4a
commit 8c4127ebac
1 changed files with 14 additions and 16 deletions
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30
src/plugins/texteditor/textmark.cpp
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@@ -69,9 +69,6 @@ public:
QColor rectColor;
QColor textColor;
private:
static double clipHsl(double value);
private:
static QHash<SourceColors, AnnotationColors> m_colorCache;
};
@@ -376,16 +373,22 @@ QHash<AnnotationColors::SourceColors, AnnotationColors> AnnotationColors::m_colo
AnnotationColors &AnnotationColors::getAnnotationColors(const QColor &markColor,
const QColor &backgroundColor)
{
auto highClipHsl = [](qreal value) {
return std::max(0.7, std::min(0.9, value));
};
auto lowClipHsl = [](qreal value) {
return std::max(0.1, std::min(0.3, value));
};
AnnotationColors &colors = m_colorCache[{markColor, backgroundColor}];
if (!colors.rectColor.isValid() || !colors.textColor.isValid()) {
const double backgroundSaturation = clipHsl(markColor.hslSaturationF() / 2);
const double backgroundLightness = clipHsl(backgroundColor.lightnessF());
const double foregroundLightness = clipHsl(backgroundLightness > 0.5
? backgroundLightness - 0.5
: backgroundLightness + 0.5);
colors.rectColor.setHslF(markColor.hslHueF(),
backgroundSaturation,
backgroundLightness);
const double backgroundLightness = backgroundColor.lightnessF();
const double foregroundLightness = backgroundLightness > 0.5
? lowClipHsl(backgroundLightness - 0.5)
: highClipHsl(backgroundLightness + 0.5);
colors.rectColor = markColor;
colors.rectColor.setAlphaF(0.15);
colors.textColor.setHslF(markColor.hslHueF(),
markColor.hslSaturationF(),
foregroundLightness);
@@ -393,11 +396,6 @@ AnnotationColors &AnnotationColors::getAnnotationColors(const QColor &markColor,
return colors;
}
double AnnotationColors::clipHsl(double value)
{
return std::max(0.15, std::min(0.85, value));
}
} // namespace TextEditor
#include "textmark.moc"