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matterbridge/vendor/github.com/Benau/go_rlottie/vector_vglobal.h
Benau 53cafa9f3d
Convert .tgs with go libraries (and cgo) (telegram) (#1569)
This commit adds support for go/cgo tgs conversion when building with the -tags `cgo`
The default binaries are still "pure" go and uses the old way of converting.

* Move lottie_convert.py conversion code to its own file

* Add optional libtgsconverter

* Update vendor

* Apply suggestions from code review

* Update bridge/helper/libtgsconverter.go

Co-authored-by: Wim <wim@42.be>
2021-08-24 22:32:50 +02:00

303 lines
8.2 KiB
C++

/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VGLOBAL_H
#define VGLOBAL_H
#include <cmath>
#include <cstdint>
#include <iostream>
#include <type_traits>
#include <utility>
using uint = uint32_t;
using ushort = uint16_t;
using uchar = uint8_t;
#if !defined(V_NAMESPACE)
#define V_USE_NAMESPACE
#define V_BEGIN_NAMESPACE
#define V_END_NAMESPACE
#else /* user namespace */
#define V_USE_NAMESPACE using namespace ::V_NAMESPACE;
#define V_BEGIN_NAMESPACE namespace V_NAMESPACE {
#define V_END_NAMESPACE }
#endif
#ifndef __has_attribute
# define __has_attribute(x) 0
#endif /* !__has_attribute */
#if __has_attribute(unused)
# define V_UNUSED __attribute__((__unused__))
#else
# define V_UNUSED
#endif /* V_UNUSED */
#if __has_attribute(warn_unused_result)
# define V_REQUIRED_RESULT __attribute__((__warn_unused_result__))
#else
# define V_REQUIRED_RESULT
#endif /* V_REQUIRED_RESULT */
#define V_CONSTEXPR constexpr
#define V_NOTHROW noexcept
#include "vector_vdebug.h"
#if __GNUC__ >= 7
#define VECTOR_FALLTHROUGH __attribute__ ((fallthrough));
#else
#define VECTOR_FALLTHROUGH
#endif
#ifdef LOTTIE_THREAD_SUPPORT
#define vthread_local thread_local
#else
#define vthread_local
#endif
#if defined(_MSC_VER)
#define V_ALWAYS_INLINE __forceinline
#else
#define V_ALWAYS_INLINE __attribute__((always_inline))
#endif
template <typename T>
V_CONSTEXPR inline const T &vMin(const T &a, const T &b)
{
return (a < b) ? a : b;
}
template <typename T>
V_CONSTEXPR inline const T &vMax(const T &a, const T &b)
{
return (a < b) ? b : a;
}
static const double EPSILON_DOUBLE = 0.000000000001f;
static const float EPSILON_FLOAT = 0.000001f;
static inline bool vCompare(float p1, float p2)
{
return (std::abs(p1 - p2) < EPSILON_FLOAT);
}
static inline bool vIsZero(float f)
{
return (std::abs(f) <= EPSILON_FLOAT);
}
static inline bool vIsZero(double f)
{
return (std::abs(f) <= EPSILON_DOUBLE);
}
class vFlagHelper {
int i;
public:
explicit constexpr inline vFlagHelper(int ai) noexcept : i(ai) {}
constexpr inline operator int() const noexcept { return i; }
explicit constexpr inline vFlagHelper(uint ai) noexcept : i(int(ai)) {}
explicit constexpr inline vFlagHelper(short ai) noexcept : i(int(ai)) {}
explicit constexpr inline vFlagHelper(ushort ai) noexcept : i(int(uint(ai))) {}
constexpr inline operator uint() const noexcept { return uint(i); }
};
template <typename Enum>
class vFlag {
public:
static_assert(
(sizeof(Enum) <= sizeof(int)),
"vFlag only supports int as storage so bigger type will overflow");
static_assert((std::is_enum<Enum>::value),
"vFlag is only usable on enumeration types.");
using Int = typename std::conditional<
std::is_unsigned<typename std::underlying_type<Enum>::type>::value,
unsigned int, signed int>::type;
using enum_type = Enum;
// compiler-generated copy/move ctor/assignment operators are fine!
vFlag() = default;
constexpr vFlag(Enum f) noexcept : i(Int(f)) {}
explicit constexpr vFlag(vFlagHelper f) noexcept : i(f) {}
inline vFlag &operator&=(int mask) noexcept
{
i &= mask;
return *this;
}
inline vFlag &operator&=(uint mask) noexcept
{
i &= mask;
return *this;
}
inline vFlag &operator&=(Enum mask) noexcept
{
i &= Int(mask);
return *this;
}
inline vFlag &operator|=(vFlag f) noexcept
{
i |= f.i;
return *this;
}
inline vFlag &operator|=(Enum f) noexcept
{
i |= Int(f);
return *this;
}
inline vFlag &operator^=(vFlag f) noexcept
{
i ^= f.i;
return *this;
}
inline vFlag &operator^=(Enum f) noexcept
{
i ^= Int(f);
return *this;
}
constexpr inline operator Int() const noexcept { return i; }
constexpr inline vFlag operator|(vFlag f) const
{
return vFlag(vFlagHelper(i | f.i));
}
constexpr inline vFlag operator|(Enum f) const noexcept
{
return vFlag(vFlagHelper(i | Int(f)));
}
constexpr inline vFlag operator^(vFlag f) const noexcept
{
return vFlag(vFlagHelper(i ^ f.i));
}
constexpr inline vFlag operator^(Enum f) const noexcept
{
return vFlag(vFlagHelper(i ^ Int(f)));
}
constexpr inline vFlag operator&(int mask) const noexcept
{
return vFlag(vFlagHelper(i & mask));
}
constexpr inline vFlag operator&(uint mask) const noexcept
{
return vFlag(vFlagHelper(i & mask));
}
constexpr inline vFlag operator&(Enum f) const noexcept
{
return vFlag(vFlagHelper(i & Int(f)));
}
constexpr inline vFlag operator~() const noexcept
{
return vFlag(vFlagHelper(~i));
}
constexpr inline bool operator!() const noexcept { return !i; }
constexpr inline bool testFlag(Enum f) const noexcept
{
return (i & Int(f)) == Int(f) && (Int(f) != 0 || i == Int(f));
}
inline vFlag &setFlag(Enum f, bool on = true) noexcept
{
return on ? (*this |= f) : (*this &= ~f);
}
Int i{0};
};
class VColor {
public:
VColor() = default;
explicit VColor(uchar red, uchar green, uchar blue, uchar alpha = 255) noexcept
:a(alpha), r(red), g(green), b(blue){}
inline uchar red() const noexcept { return r; }
inline uchar green() const noexcept { return g; }
inline uchar blue() const noexcept { return b; }
inline uchar alpha() const noexcept { return a; }
inline void setRed(uchar red) noexcept { r = red; }
inline void setGreen(uchar green) noexcept { g = green; }
inline void setBlue(uchar blue) noexcept { b = blue; }
inline void setAlpha(uchar alpha) noexcept { a = alpha; }
inline bool isOpaque() const { return a == 255; }
inline bool isTransparent() const { return a == 0; }
inline bool operator==(const VColor &o) const
{
return ((a == o.a) && (r == o.r) && (g == o.g) && (b == o.b));
}
uint premulARGB() const
{
int pr = (r * a) / 255;
int pg = (g * a) / 255;
int pb = (b * a) / 255;
return uint((a << 24) | (pr << 16) | (pg << 8) | (pb));
}
uint premulARGB(float opacity) const
{
int alpha = int(a * opacity);
int pr = (r * alpha) / 255;
int pg = (g * alpha) / 255;
int pb = (b * alpha) / 255;
return uint((alpha << 24) | (pr << 16) | (pg << 8) | (pb));
}
public:
uchar a{0};
uchar r{0};
uchar g{0};
uchar b{0};
};
enum class FillRule: unsigned char { EvenOdd, Winding };
enum class JoinStyle: unsigned char { Miter, Bevel, Round };
enum class CapStyle: unsigned char { Flat, Square, Round };
enum class BlendMode {
Src,
SrcOver,
DestIn,
DestOut,
Last,
};
#ifndef V_CONSTRUCTOR_FUNCTION
#define V_CONSTRUCTOR_FUNCTION0(AFUNC) \
namespace { \
static const struct AFUNC##_ctor_class_ { \
inline AFUNC##_ctor_class_() { AFUNC(); } \
} AFUNC##_ctor_instance_; \
}
#define V_CONSTRUCTOR_FUNCTION(AFUNC) V_CONSTRUCTOR_FUNCTION0(AFUNC)
#endif
#endif // VGLOBAL_H