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Use floating point pixels for modulate color to allow lightening

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This commit is contained in:
Dan Paulat 2024-01-13 01:01:01 -06:00
parent 9c8d851cf3
commit 87d2f84bde
4 changed files with 60 additions and 24 deletions
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31
scwx-qt/source/scwx/qt/gl/draw/icons.cpp
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@ -34,13 +34,13 @@ static constexpr std::size_t kTextureBufferLength =
struct IconDrawItem
{
boost::gil::rgba8_pixel_t modulate_ {255, 255, 255, 255};
double x_ {};
double y_ {};
units::degrees<double> angle_ {};
std::string iconSheet_ {};
std::size_t iconIndex_ {};
std::string hoverText_ {};
boost::gil::rgba32f_pixel_t modulate_ {1.0f, 1.0f, 1.0f, 1.0f};
double x_ {};
double y_ {};
units::degrees<double> angle_ {};
std::string iconSheet_ {};
std::size_t iconIndex_ {};
std::string hoverText_ {};
};
class Icons::Impl
@ -314,6 +314,15 @@ void Icons::SetIconAngle(const std::shared_ptr<IconDrawItem>& di,
void Icons::SetIconModulate(const std::shared_ptr<IconDrawItem>& di,
boost::gil::rgba8_pixel_t modulate)
{
di->modulate_ = {modulate[0] / 255.0f,
modulate[1] / 255.0f,
modulate[2] / 255.0f,
modulate[3] / 255.0f};
}
void Icons::SetIconModulate(const std::shared_ptr<IconDrawItem>& di,
boost::gil::rgba32f_pixel_t modulate)
{
di->modulate_ = modulate;
}
@ -399,10 +408,10 @@ void Icons::Impl::UpdateBuffers()
const float a = angle.value();
// Modulate color
const float mc0 = di->modulate_[0] / 255.0f;
const float mc1 = di->modulate_[1] / 255.0f;
const float mc2 = di->modulate_[2] / 255.0f;
const float mc3 = di->modulate_[3] / 255.0f;
const float mc0 = di->modulate_[0];
const float mc1 = di->modulate_[1];
const float mc2 = di->modulate_[2];
const float mc3 = di->modulate_[3];
newIconBuffer_.insert(newIconBuffer_.end(),
{