| // Copyright 2014 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FXCRT_FX_SYSTEM_H_ |
| #define CORE_FXCRT_FX_SYSTEM_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <wchar.h> |
| |
| #include "build/build_config.h" |
| #include "core/fxcrt/compiler_specific.h" |
| #include "core/fxcrt/fx_types.h" |
| |
| #if defined(_MSC_VER) && _MSC_VER < 1900 |
| #error Sorry, VC++ 2015 or later is required to compile PDFium. |
| #endif // defined(_MSC_VER) && _MSC_VER < 1900 |
| |
| #if defined(__wasm__) && defined(PDF_ENABLE_V8) |
| #error Cannot compile v8 with wasm. |
| #endif // PDF_ENABLE_V8 |
| |
| #if BUILDFLAG(IS_WIN) |
| #include <windows.h> |
| #endif // BUILDFLAG(IS_WIN) |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif // __cplusplus |
| |
| #define FXSYS_IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001) |
| #define FXSYS_IsFloatBigger(fa, fb) \ |
| ((fa) > (fb) && !FXSYS_IsFloatZero((fa) - (fb))) |
| #define FXSYS_IsFloatSmaller(fa, fb) \ |
| ((fa) < (fb) && !FXSYS_IsFloatZero((fa) - (fb))) |
| #define FXSYS_IsFloatEqual(fa, fb) FXSYS_IsFloatZero((fa) - (fb)) |
| |
| // M_PI not universally present on all platforms. |
| #define FXSYS_PI 3.1415926535897932384626433832795f |
| #define FXSYS_BEZIER 0.5522847498308f |
| |
| // NOTE: prevent use of the return value from snprintf() since some platforms |
| // have different return values. |
| #define FXSYS_snprintf (void)snprintf |
| #define FXSYS_vsnprintf (void)vsnprintf |
| #define FXSYS_sprintf DO_NOT_USE_SPRINTF_DIE_DIE_DIE |
| #define FXSYS_vsprintf DO_NOT_USE_VSPRINTF_DIE_DIE_DIE |
| |
| #if BUILDFLAG(IS_WIN) |
| #define FXSYS_itoa _itoa |
| #define FXSYS_strlwr _strlwr |
| #define FXSYS_strupr _strupr |
| #define FXSYS_wcslwr _wcslwr |
| #define FXSYS_wcsupr _wcsupr |
| #define FXSYS_SetLastError SetLastError |
| #define FXSYS_GetLastError GetLastError |
| UNSAFE_BUFFER_USAGE size_t FXSYS_wcsftime(wchar_t* strDest, |
| size_t maxsize, |
| const wchar_t* format, |
| const struct tm* timeptr); |
| #else // BUILDFLAG(IS_WIN) |
| char* FXSYS_itoa(int value, char* str, int radix); |
| char* FXSYS_strlwr(char* str); |
| char* FXSYS_strupr(char* str); |
| wchar_t* FXSYS_wcslwr(wchar_t* str); |
| wchar_t* FXSYS_wcsupr(wchar_t* str); |
| void FXSYS_SetLastError(uint32_t err); |
| uint32_t FXSYS_GetLastError(); |
| #define FXSYS_wcsftime wcsftime |
| #endif // BUILDFLAG(IS_WIN) |
| |
| const char* FXSYS_i64toa(int64_t value, char* str, int radix); |
| int FXSYS_roundf(float f); |
| int FXSYS_round(double d); |
| float FXSYS_sqrt2(float a, float b); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| |
| // C++-only section to allow future use of TerminatedPtr<>. |
| int FXSYS_stricmp(const char* str1, const char* str2); |
| int FXSYS_wcsicmp(const wchar_t* str1, const wchar_t* str2); |
| int32_t FXSYS_atoi(const char* str); |
| int32_t FXSYS_wtoi(const wchar_t* str); |
| uint32_t FXSYS_atoui(const char* str); |
| int64_t FXSYS_atoi64(const char* str); |
| |
| #endif // __cplusplus |
| |
| #endif // CORE_FXCRT_FX_SYSTEM_H_ |