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chore: reformat

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Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
This commit is contained in:
Sefa Eyeoglu
2023-08-02 18:35:35 +02:00
parent ce2ca13815
commit 1d468ac35a
594 changed files with 16040 additions and 16536 deletions
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27
libraries/rainbow/include/rainbow.h
View File

@ -29,8 +29,7 @@ class QColor;
/**
* A set of methods used to work with colors.
*/
namespace Rainbow
{
namespace Rainbow {
/**
* Calculate the luma of a color. Luma is weighted sum of gamma-adjusted
* R'G'B' components of a color. The result is similar to qGray. The range
@ -41,14 +40,13 @@ namespace Rainbow
*
* @see http://en.wikipedia.org/wiki/Luma_(video)
*/
qreal luma(const QColor &);
qreal luma(const QColor&);
/**
* Calculate hue, chroma and luma of a color in one call.
* @since 5.0
*/
void getHcy(const QColor &, qreal *hue, qreal *chroma, qreal *luma,
qreal *alpha = 0);
void getHcy(const QColor&, qreal* hue, qreal* chroma, qreal* luma, qreal* alpha = 0);
/**
* Calculate the contrast ratio between two colors, according to the
@ -62,7 +60,7 @@ void getHcy(const QColor &, qreal *hue, qreal *chroma, qreal *luma,
*
* @see Rainbow::luma
*/
qreal contrastRatio(const QColor &, const QColor &);
qreal contrastRatio(const QColor&, const QColor&);
/**
* Adjust the luma of a color by changing its distance from white.
@ -79,8 +77,7 @@ qreal contrastRatio(const QColor &, const QColor &);
* component of the color; 1.0 means no change, 0.0 maximizes chroma
* @see Rainbow::shade
*/
QColor
lighten(const QColor &, qreal amount = 0.5, qreal chromaInverseGain = 1.0);
QColor lighten(const QColor&, qreal amount = 0.5, qreal chromaInverseGain = 1.0);
/**
* Adjust the luma of a color by changing its distance from black.
@ -97,7 +94,7 @@ lighten(const QColor &, qreal amount = 0.5, qreal chromaInverseGain = 1.0);
* component of the color; 1.0 means no change, 0.0 minimizes chroma
* @see Rainbow::shade
*/
QColor darken(const QColor &, qreal amount = 0.5, qreal chromaGain = 1.0);
QColor darken(const QColor&, qreal amount = 0.5, qreal chromaGain = 1.0);
/**
* Adjust the luma and chroma components of a color. The amount is added
@ -111,7 +108,7 @@ QColor darken(const QColor &, qreal amount = 0.5, qreal chromaGain = 1.0);
* 1.0 maximizes chroma
* @see Rainbow::luma
*/
QColor shade(const QColor &, qreal lumaAmount, qreal chromaAmount = 0.0);
QColor shade(const QColor&, qreal lumaAmount, qreal chromaAmount = 0.0);
/**
* Create a new color by tinting one color with another. This function is
@ -125,7 +122,7 @@ QColor shade(const QColor &, qreal lumaAmount, qreal chromaAmount = 0.0);
* @param amount how strongly to tint the base; 0.0 gives @p base,
* 1.0 gives @p color
*/
QColor tint(const QColor &base, const QColor &color, qreal amount = 0.3);
QColor tint(const QColor& base, const QColor& color, qreal amount = 0.3);
/**
* Blend two colors into a new color by linear combination.
@ -138,7 +135,7 @@ QColor tint(const QColor &base, const QColor &color, qreal amount = 0.3);
* @p bias >= 1 gives @p c2. @p bias == 0.5 gives a 50% blend of @p c1
* and @p c2.
*/
QColor mix(const QColor &c1, const QColor &c2, qreal bias = 0.5);
QColor mix(const QColor& c1, const QColor& c2, qreal bias = 0.5);
/**
* Blend two colors into a new color by painting the second color over the
@ -152,7 +149,5 @@ QColor mix(const QColor &c1, const QColor &c2, qreal bias = 0.5);
* @param paint the color to be overlayed onto the base color.
* @param comp the CompositionMode used to do the blending.
*/
QColor
overlayColors(const QColor &base, const QColor &paint,
QPainter::CompositionMode comp = QPainter::CompositionMode_SourceOver);
}
QColor overlayColors(const QColor& base, const QColor& paint, QPainter::CompositionMode comp = QPainter::CompositionMode_SourceOver);
} // namespace Rainbow

187
libraries/rainbow/src/rainbow.cpp
View File

@ -25,11 +25,11 @@
#include <QColor>
#include <QImage>
#include <QtNumeric> // qIsNaN
#include <QtNumeric> // qIsNaN
#include <math.h>
//BEGIN internal helper functions
// BEGIN internal helper functions
static inline qreal wrap(qreal a, qreal d = 1.0)
{
@ -44,23 +44,21 @@ static inline qreal normalize(qreal a)
return (a < 1.0 ? (a > 0.0 ? a : 0.0) : 1.0);
}
///////////////////////////////////////////////////////////////////////////////
// HCY color space
#define HCY_REC 709 // use 709 for now
#define HCY_REC 709 // use 709 for now
#if HCY_REC == 601
static const qreal yc[3] = {0.299, 0.587, 0.114};
static const qreal yc[3] = { 0.299, 0.587, 0.114 };
#elif HCY_REC == 709
static const qreal yc[3] = {0.2126, 0.7152, 0.0722};
#else // use Qt values
static const qreal yc[3] = {0.34375, 0.5, 0.15625};
static const qreal yc[3] = { 0.2126, 0.7152, 0.0722 };
#else // use Qt values
static const qreal yc[3] = { 0.34375, 0.5, 0.15625 };
#endif
class KHCY
{
public:
explicit KHCY(const QColor &color)
class KHCY {
public:
explicit KHCY(const QColor& color)
{
qreal r = gamma(color.redF());
qreal g = gamma(color.greenF());
@ -74,30 +72,20 @@ public:
qreal p = qMax(qMax(r, g), b);
qreal n = qMin(qMin(r, g), b);
qreal d = 6.0 * (p - n);
if (n == p)
{
if (n == p) {
h = 0.0;
}
else if (r == p)
{
} else if (r == p) {
h = ((g - b) / d);
}
else if (g == p)
{
} else if (g == p) {
h = ((b - r) / d) + (1.0 / 3.0);
}
else
{
} else {
h = ((r - g) / d) + (2.0 / 3.0);
}
// chroma component
if (r == g && g == b)
{
if (r == g && g == b) {
c = 0.0;
}
else
{
} else {
c = qMax((y - n) / y, (p - y) / (1 - y));
}
}
@ -118,145 +106,103 @@ public:
// calculate some needed variables
qreal _hs = _h * 6.0, th, tm;
if (_hs < 1.0)
{
if (_hs < 1.0) {
th = _hs;
tm = yc[0] + yc[1] * th;
}
else if (_hs < 2.0)
{
} else if (_hs < 2.0) {
th = 2.0 - _hs;
tm = yc[1] + yc[0] * th;
}
else if (_hs < 3.0)
{
} else if (_hs < 3.0) {
th = _hs - 2.0;
tm = yc[1] + yc[2] * th;
}
else if (_hs < 4.0)
{
} else if (_hs < 4.0) {
th = 4.0 - _hs;
tm = yc[2] + yc[1] * th;
}
else if (_hs < 5.0)
{
} else if (_hs < 5.0) {
th = _hs - 4.0;
tm = yc[2] + yc[0] * th;
}
else
{
} else {
th = 6.0 - _hs;
tm = yc[0] + yc[2] * th;
}
// calculate RGB channels in sorted order
qreal tn, to, tp;
if (tm >= _y)
{
if (tm >= _y) {
tp = _y + _y * _c * (1.0 - tm) / tm;
to = _y + _y * _c * (th - tm) / tm;
tn = _y - (_y * _c);
}
else
{
} else {
tp = _y + (1.0 - _y) * _c;
to = _y + (1.0 - _y) * _c * (th - tm) / (1.0 - tm);
tn = _y - (1.0 - _y) * _c * tm / (1.0 - tm);
}
// return RGB channels in appropriate order
if (_hs < 1.0)
{
if (_hs < 1.0) {
return QColor::fromRgbF(igamma(tp), igamma(to), igamma(tn), a);
}
else if (_hs < 2.0)
{
} else if (_hs < 2.0) {
return QColor::fromRgbF(igamma(to), igamma(tp), igamma(tn), a);
}
else if (_hs < 3.0)
{
} else if (_hs < 3.0) {
return QColor::fromRgbF(igamma(tn), igamma(tp), igamma(to), a);
}
else if (_hs < 4.0)
{
} else if (_hs < 4.0) {
return QColor::fromRgbF(igamma(tn), igamma(to), igamma(tp), a);
}
else if (_hs < 5.0)
{
} else if (_hs < 5.0) {
return QColor::fromRgbF(igamma(to), igamma(tn), igamma(tp), a);
}
else
{
} else {
return QColor::fromRgbF(igamma(tp), igamma(tn), igamma(to), a);
}
}
qreal h, c, y, a;
static qreal luma(const QColor &color)
{
return lumag(gamma(color.redF()), gamma(color.greenF()), gamma(color.blueF()));
}
static qreal luma(const QColor& color) { return lumag(gamma(color.redF()), gamma(color.greenF()), gamma(color.blueF())); }
private:
static qreal gamma(qreal n)
{
return pow(normalize(n), 2.2);
}
static qreal igamma(qreal n)
{
return pow(normalize(n), 1.0 / 2.2);
}
static qreal lumag(qreal r, qreal g, qreal b)
{
return r * yc[0] + g * yc[1] + b * yc[2];
}
private:
static qreal gamma(qreal n) { return pow(normalize(n), 2.2); }
static qreal igamma(qreal n) { return pow(normalize(n), 1.0 / 2.2); }
static qreal lumag(qreal r, qreal g, qreal b) { return r * yc[0] + g * yc[1] + b * yc[2]; }
};
static inline qreal mixQreal(qreal a, qreal b, qreal bias)
{
return a + (b - a) * bias;
}
//END internal helper functions
// END internal helper functions
qreal Rainbow::luma(const QColor &color)
qreal Rainbow::luma(const QColor& color)
{
return KHCY::luma(color);
}
void Rainbow::getHcy(const QColor &color, qreal *h, qreal *c, qreal *y, qreal *a)
void Rainbow::getHcy(const QColor& color, qreal* h, qreal* c, qreal* y, qreal* a)
{
if (!c || !h || !y)
{
if (!c || !h || !y) {
return;
}
KHCY khcy(color);
*c = khcy.c;
*h = khcy.h;
*y = khcy.y;
if (a)
{
if (a) {
*a = khcy.a;
}
}
static qreal contrastRatioForLuma(qreal y1, qreal y2)
{
if (y1 > y2)
{
if (y1 > y2) {
return (y1 + 0.05) / (y2 + 0.05);
}
else
{
} else {
return (y2 + 0.05) / (y1 + 0.05);
}
}
qreal Rainbow::contrastRatio(const QColor &c1, const QColor &c2)
qreal Rainbow::contrastRatio(const QColor& c1, const QColor& c2)
{
return contrastRatioForLuma(luma(c1), luma(c2));
}
QColor Rainbow::lighten(const QColor &color, qreal ky, qreal kc)
QColor Rainbow::lighten(const QColor& color, qreal ky, qreal kc)
{
KHCY c(color);
c.y = 1.0 - normalize((1.0 - c.y) * (1.0 - ky));
@ -264,7 +210,7 @@ QColor Rainbow::lighten(const QColor &color, qreal ky, qreal kc)
return c.qColor();
}
QColor Rainbow::darken(const QColor &color, qreal ky, qreal kc)
QColor Rainbow::darken(const QColor& color, qreal ky, qreal kc)
{
KHCY c(color);
c.y = normalize(c.y * (1.0 - ky));
@ -272,7 +218,7 @@ QColor Rainbow::darken(const QColor &color, qreal ky, qreal kc)
return c.qColor();
}
QColor Rainbow::shade(const QColor &color, qreal ky, qreal kc)
QColor Rainbow::shade(const QColor& color, qreal ky, qreal kc)
{
KHCY c(color);
c.y = normalize(c.y + ky);
@ -280,7 +226,7 @@ QColor Rainbow::shade(const QColor &color, qreal ky, qreal kc)
return c.qColor();
}
static QColor tintHelper(const QColor &base, qreal baseLuma, const QColor &color, qreal amount)
static QColor tintHelper(const QColor& base, qreal baseLuma, const QColor& color, qreal amount)
{
KHCY result(Rainbow::mix(base, color, pow(amount, 0.3)));
result.y = mixQreal(baseLuma, result.y, amount);
@ -288,55 +234,45 @@ static QColor tintHelper(const QColor &base, qreal baseLuma, const QColor &color
return result.qColor();
}
QColor Rainbow::tint(const QColor &base, const QColor &color, qreal amount)
QColor Rainbow::tint(const QColor& base, const QColor& color, qreal amount)
{
if (amount <= 0.0)
{
if (amount <= 0.0) {
return base;
}
if (amount >= 1.0)
{
if (amount >= 1.0) {
return color;
}
if (qIsNaN(amount))
{
if (qIsNaN(amount)) {
return base;
}
qreal baseLuma = luma(base); // cache value because luma call is expensive
qreal baseLuma = luma(base); // cache value because luma call is expensive
double ri = contrastRatioForLuma(baseLuma, luma(color));
double rg = 1.0 + ((ri + 1.0) * amount * amount * amount);
double u = 1.0, l = 0.0;
QColor result;
for (int i = 12; i; --i)
{
for (int i = 12; i; --i) {
double a = 0.5 * (l + u);
result = tintHelper(base, baseLuma, color, a);
double ra = contrastRatioForLuma(baseLuma, luma(result));
if (ra > rg)
{
if (ra > rg) {
u = a;
}
else
{
} else {
l = a;
}
}
return result;
}
QColor Rainbow::mix(const QColor &c1, const QColor &c2, qreal bias)
QColor Rainbow::mix(const QColor& c1, const QColor& c2, qreal bias)
{
if (bias <= 0.0)
{
if (bias <= 0.0) {
return c1;
}
if (bias >= 1.0)
{
if (bias >= 1.0) {
return c2;
}
if (qIsNaN(bias))
{
if (qIsNaN(bias)) {
return c1;
}
@ -348,15 +284,14 @@ QColor Rainbow::mix(const QColor &c1, const QColor &c2, qreal bias)
return QColor::fromRgbF(r, g, b, a);
}
QColor Rainbow::overlayColors(const QColor &base, const QColor &paint,
QPainter::CompositionMode comp)
QColor Rainbow::overlayColors(const QColor& base, const QColor& paint, QPainter::CompositionMode comp)
{
// This isn't the fastest way, but should be "fast enough".
// It's also the only safe way to use QPainter::CompositionMode
QImage img(1, 1, QImage::Format_ARGB32_Premultiplied);
QPainter p(&img);
QColor start = base;
start.setAlpha(255); // opaque
start.setAlpha(255); // opaque
p.fillRect(0, 0, 1, 1, start);
p.setCompositionMode(comp);
p.fillRect(0, 0, 1, 1, paint);