Based on stb_to_utf8() from github.com/nothings/stb/
| 2109 | |
| 2110 | // Based on stb_to_utf8() from github.com/nothings/stb/ |
| 2111 | static inline int ImTextCharToUtf8_inline(char* buf, int buf_size, unsigned int c) |
| 2112 | { |
| 2113 | if (c < 0x80) |
| 2114 | { |
| 2115 | buf[0] = (char)c; |
| 2116 | return 1; |
| 2117 | } |
| 2118 | if (c < 0x800) |
| 2119 | { |
| 2120 | if (buf_size < 2) return 0; |
| 2121 | buf[0] = (char)(0xc0 + (c >> 6)); |
| 2122 | buf[1] = (char)(0x80 + (c & 0x3f)); |
| 2123 | return 2; |
| 2124 | } |
| 2125 | if (c < 0x10000) |
| 2126 | { |
| 2127 | if (buf_size < 3) return 0; |
| 2128 | buf[0] = (char)(0xe0 + (c >> 12)); |
| 2129 | buf[1] = (char)(0x80 + ((c >> 6) & 0x3f)); |
| 2130 | buf[2] = (char)(0x80 + ((c ) & 0x3f)); |
| 2131 | return 3; |
| 2132 | } |
| 2133 | if (c <= 0x10FFFF) |
| 2134 | { |
| 2135 | if (buf_size < 4) return 0; |
| 2136 | buf[0] = (char)(0xf0 + (c >> 18)); |
| 2137 | buf[1] = (char)(0x80 + ((c >> 12) & 0x3f)); |
| 2138 | buf[2] = (char)(0x80 + ((c >> 6) & 0x3f)); |
| 2139 | buf[3] = (char)(0x80 + ((c ) & 0x3f)); |
| 2140 | return 4; |
| 2141 | } |
| 2142 | // Invalid code point, the max unicode is 0x10FFFF |
| 2143 | return 0; |
| 2144 | } |
| 2145 | |
| 2146 | const char* ImTextCharToUtf8(char out_buf[5], unsigned int c) |
| 2147 | { |
no outgoing calls
no test coverage detected