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Added options dialogue

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This commit is contained in:
Martin Tůma
2016-12-06 01:48:26 +01:00
parent 181f60ed40
commit a9668ca86e
34 changed files with 1044 additions and 195 deletions
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66
src/palette.cpp
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@ -1,62 +1,38 @@
#include "palette.h"
#define HUE_INIT 0.1f
#define HUE_INCREMENT 0.62f
#define SATURATION 0.99f
#define VALUE 0.99f
static unsigned hsv2rgb(float h, float s, float v)
Palette::Palette(const QColor &color, qreal shift)
{
unsigned hi;
float r = 0, g = 0, b = 0, p, q, t, f;
_h = 0; _s = 0; _v = 0; _a = 1.0;
hi = (unsigned)(h * 6.0f);
f = h * 6.0f - hi;
p = v * (1.0f - s);
q = v * (1.0f - f * s);
t = v * (1.0f - (1.0f - f) * s);
setColor(color);
setShift(shift);
switch (hi) {
case 0:
r = v; g = t; b = p;
break;
case 1:
r = q; g = v; b = p;
break;
case 2:
r = p; g = v; b = t;
break;
case 3:
r = p; g = q; b = v;
break;
case 4:
r = t; g = p; b = v;
break;
case 5:
r = v; g = p; b = q;
break;
}
return ((unsigned)(r * 256) << 16)
+ ((unsigned)(g * 256) << 8)
+ (unsigned)(b * 256);
_state = _h;
}
Palette::Palette()
void Palette::setColor(const QColor &color)
{
_hueState = HUE_INIT;
if (color.isValid())
color.getHsvF(&_h, &_s, &_v, &_a);
}
QColor Palette::color()
void Palette::setShift(qreal shift)
{
_hueState += HUE_INCREMENT;
_hueState -= (int) _hueState;
if (shift >= 0 && shift <= 1.0)
_shift = shift;
}
return QColor(hsv2rgb(_hueState, SATURATION, VALUE));
QColor Palette::nextColor()
{
QColor ret = QColor::fromHsvF(_state, _s, _v, _a);
_state += _shift;
_state -= (int) _state;
return ret;
}
void Palette::reset()
{
_hueState = HUE_INIT;
_state = _h;
}