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obs-studio/frontend/models/Rect.hpp

99 lines
2.9 KiB
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/******************************************************************************
Copyright (C) 2025 by Patrick Heyer <PatTheMav@users.noreply.github.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#pragma once
#include <algorithm>
#include <limits>
namespace {
template<typename numberType> inline double safeConvertToDouble(numberType number)
{
constexpr double minDoubleValue = 0.0;
constexpr double maxDoubleValue = std::numeric_limits<double>::max();
if (number > maxDoubleValue) {
return maxDoubleValue;
} else if (number < minDoubleValue) {
return minDoubleValue;
} else {
return static_cast<double>(number);
}
}
} // namespace
namespace OBS {
struct Rect {
double width_ = 0.0;
double height_ = 0.0;
Rect() = default;
template<typename widthType, typename heightType> Rect(widthType width, heightType height)
{
setWidth(width);
setHeight(height);
}
template<typename returnType> returnType getWidth() const
{
static_assert(std::is_convertible_v<double, returnType>,
"Cannot convert <double> to requested return type");
return static_cast<returnType>(width_);
};
template<typename numberType> void setWidth(numberType width)
{
static_assert(std::is_same_v<numberType, double> || std::is_convertible_v<numberType, double>,
"Cannot convert provided argument to <double>");
if (std::is_same<numberType, double>::value) {
width_ = std::max(static_cast<double>(width), 0.0);
} else {
width_ = safeConvertToDouble(width);
}
}
template<typename returnType> returnType getHeight() const
{
static_assert(std::is_convertible_v<double, returnType>,
"Cannot convert <double> to requested return type");
return static_cast<returnType>(height_);
};
template<typename numberType> void setHeight(numberType height)
{
static_assert(std::is_same_v<numberType, double> || std::is_convertible_v<numberType, double>,
"Cannot convert provided argument to <double>");
if (std::is_same<numberType, double>::value) {
height_ = std::max(static_cast<double>(height), 0.0);
} else {
height_ = safeConvertToDouble(height);
}
}
bool isZero() const;
friend bool operator==(const Rect &lhs, const Rect &rhs);
friend bool operator!=(const Rect &lhs, const Rect &rhs);
};
} // namespace OBS