Files
oak-editor/app/render/colormanager.cpp
T

156 lines
3.3 KiB
C++

#include "colormanager.h"
#include <QFloat16>
#include "common/define.h"
ColorManager* ColorManager::instance_ = nullptr;
void ColorManager::SetConfig(const QString &filename)
{
SetConfig(OCIO::Config::CreateFromFile(filename.toUtf8()));
}
void ColorManager::SetConfig(OpenColorIO::v1::ConstConfigRcPtr config)
{
OCIO::SetCurrentConfig(config);
emit ConfigChanged();
}
void ColorManager::CreateInstance()
{
if (instance_ == nullptr) {
instance_ = new ColorManager();
}
}
ColorManager *ColorManager::instance()
{
return instance_;
}
void ColorManager::DestroyInstance()
{
delete instance_;
instance_ = nullptr;
}
void ColorManager::DisassociateAlpha(FramePtr f)
{
AssociateAlphaPixFmtFilter(kDisassociate, f);
}
void ColorManager::AssociateAlpha(FramePtr f)
{
AssociateAlphaPixFmtFilter(kAssociate, f);
}
void ColorManager::ReassociateAlpha(FramePtr f)
{
AssociateAlphaPixFmtFilter(kReassociate, f);
}
QStringList ColorManager::ListAvailableDisplays()
{
QStringList displays;
OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
int number_of_displays = config->getNumDisplays();
for (int i=0;i<number_of_displays;i++) {
displays.append(config->getDisplay(i));
}
return displays;
}
QString ColorManager::GetDefaultDisplay()
{
return OCIO::GetCurrentConfig()->getDefaultDisplay();
}
QStringList ColorManager::ListAvailableViews(QString display)
{
QStringList views;
OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
int number_of_views = config->getNumViews(display.toUtf8());
for (int i=0;i<number_of_views;i++) {
views.append(config->getView(display.toUtf8(), i));
}
return views;
}
QString ColorManager::GetDefaultView(const QString &display)
{
return OCIO::GetCurrentConfig()->getDefaultView(display.toUtf8());
}
QStringList ColorManager::ListAvailableLooks()
{
QStringList looks;
OCIO::ConstConfigRcPtr config = OCIO::GetCurrentConfig();
int number_of_looks = config->getNumLooks();
for (int i=0;i<number_of_looks;i++) {
looks.append(config->getLookNameByIndex(i));
}
return looks;
}
ColorManager::ColorManager()
{
}
void ColorManager::AssociateAlphaPixFmtFilter(ColorManager::AlphaAction action, FramePtr f)
{
int pixel_count = f->width() * f->height() * kRGBAChannels;
switch (static_cast<olive::PixelFormat>(f->format())) {
case olive::PIX_FMT_INVALID:
case olive::PIX_FMT_COUNT:
qWarning() << "Alpha association functions received an invalid pixel format";
break;
case olive::PIX_FMT_RGBA8:
case olive::PIX_FMT_RGBA16U:
qWarning() << "Alpha association functions only works on float-based pixel formats at this time";
break;
case olive::PIX_FMT_RGBA16F:
{
AssociateAlphaInternal<qfloat16>(action, reinterpret_cast<qfloat16*>(f->data()), pixel_count);
break;
}
case olive::PIX_FMT_RGBA32F:
{
AssociateAlphaInternal<float>(action, reinterpret_cast<float*>(f->data()), pixel_count);
break;
}
}
}
template<typename T>
void ColorManager::AssociateAlphaInternal(ColorManager::AlphaAction action, T *data, int pix_count)
{
for (int i=0;i<pix_count;i+=kRGBAChannels) {
T alpha = data[i+kRGBChannels];
if (action == kAssociate || alpha > 0) {
for (int j=0;j<kRGBChannels;j++) {
if (action == kDisassociate) {
data[i+j] /= alpha;
} else {
data[i+j] *= alpha;
}
}
}
}
}