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color toning: properly draw hue and strength gradients for the highlights and shadows sliders

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Fixes #4209
This commit is contained in:
Alberto Griggio
2017-12-08 15:54:05 +01:00
parent d668e0d745
commit 729e50ff2e
2 changed files with 13 additions and 12 deletions
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22
rtgui/colortoning.cc
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@@ -954,36 +954,34 @@ void ColorToning::colorForValue (double valX, double valY, enum ColorCaller::Ele
if (callerId == 1) { // ch - main curve
Color::hsv2rgb01(float(valY), 1.0f, 0.5f, R, G, B);
} else if (callerId == 2) { // Slider 1 background
if (valY > 0.5)
if (valY <= 0.5)
// the hue range
{
Color::hsv2rgb01(float(valX), 1.0f, 0.5f, R, G, B);
} else {
// the strength applied to the current hue
double strength, hue;
float r_, g_, b_;
hlColSat->getValue(strength, hue);
Color::hsv2rgb01(valY * 2.f, 1.f, 1.f, r_, g_, b_);
Color::hsv2rgb01(hue / 360.f, 1.f, 1.f, R, G, B);
R = r_ + (R - r_) * valX;
G = g_ + (G - g_) * valX;
B = b_ + (B - b_) * valX;
const double gray = 0.46;
R = (gray * (1.0 - valX)) + R * valX;
G = (gray * (1.0 - valX)) + G * valX;
B = (gray * (1.0 - valX)) + B * valX;
}
} else if (callerId == 3) { // Slider 2 background
if (valY > 0.5)
if (valY <= 0.5)
// the hue range
{
Color::hsv2rgb01(float(valX), 1.0f, 0.5f, R, G, B);
} else {
// the strength applied to the current hue
double strength, hue;
float r_, g_, b_;
shadowsColSat->getValue(strength, hue);
Color::hsv2rgb01(valY * 2.f, 1.f, 1.f, r_, g_, b_);
Color::hsv2rgb01(hue / 360.f, 1.f, 1.f, R, G, B);
R = r_ + (R - r_) * valX;
G = g_ + (G - g_) * valX;
B = b_ + (B - b_) * valX;
const double gray = 0.46;
R = (gray * (1.0 - valX)) + R * valX;
G = (gray * (1.0 - valX)) + G * valX;
B = (gray * (1.0 - valX)) + B * valX;
}
}

3
rtgui/thresholdselector.cc
View File

@@ -284,6 +284,9 @@ void ThresholdSelector::updateBackBuffer()
cr->set_line_cap(Cairo::LINE_CAP_BUTT);
if (is_sensitive() && coloredBar.canGetColors()) {
if (updatePolicy == RTUP_DYNAMIC) {
coloredBar.setDirty(true);
}
// this will eventually create/update the off-screen Surface for the gradient area only !
coloredBar.setDrawRectangle(hb + hwslider, int(float(h) * 1.5f / 7.f + 0.5f), iw + 1, int(float(h) * 4.f / 7.f + 0.5f));
// that we're displaying here