| /* |
| * Copyright 2022 Rive |
| */ |
| |
| #ifndef _RIVE_RENDERER_UTILS_HPP_ |
| #define _RIVE_RENDERER_UTILS_HPP_ |
| |
| #include "rive/rive_types.hpp" |
| #include "rive/core/type_conversions.hpp" |
| #include <string> |
| |
| template <size_t N, typename T> class AutoSTArray { |
| T m_storage[N]; |
| T* m_ptr; |
| const size_t m_count; |
| |
| public: |
| AutoSTArray(size_t n) : m_count(n) { |
| m_ptr = m_storage; |
| if (n > N) { |
| m_ptr = new T[n]; |
| } |
| } |
| ~AutoSTArray() { |
| if (m_ptr != m_storage) { |
| delete[] m_ptr; |
| } |
| } |
| |
| size_t size() const { return m_count; } |
| int count() const { return rive::castTo<int>(m_count); } |
| |
| T* data() const { return m_ptr; } |
| |
| T& operator[](size_t index) { |
| assert(index < m_count); |
| return m_ptr[index]; |
| } |
| }; |
| |
| constexpr inline uint32_t make_tag(uint8_t a, uint8_t b, uint8_t c, uint8_t d) { |
| return (a << 24) | (b << 16) | (c << 8) | d; |
| } |
| |
| static inline std::string tag2str(uint32_t tag) { |
| std::string str = "abcd"; |
| str[0] = (tag >> 24) & 0xFF; |
| str[1] = (tag >> 16) & 0xFF; |
| str[2] = (tag >> 8) & 0xFF; |
| str[3] = (tag >> 0) & 0xFF; |
| return str; |
| } |
| |
| #endif |