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common: version api introduced

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@Issue: https://github.com/thorvg/thorvg/issues/2543
This commit is contained in:
Mira Grudzinska 2024-07-13 12:37:28 +02:00 • committed by Hermet Park
parent f4e1c13a79
commit 17e0bcd332
2 changed files with 35 additions and 22 deletions
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13
inc/thorvg.h
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@ -1846,6 +1846,19 @@ public:
*/
static Result term(CanvasEngine engine = tvg::CanvasEngine::All) noexcept;
/**
* @brief Retrieves the version of the TVG engine.
*
* @param[out] major A major version number.
* @param[out] minor A minor version number.
* @param[out] micro A micro version number.
*
* @return The version of the engine in the format major.minor.micro, or a @p nullptr in case of an internal error.
*
* @note Experimental API
*/
static const char* version(uint32_t* major, uint32_t* minor, uint32_t* micro) noexcept;
_TVG_DISABLE_CTOR(Initializer);
};

44
src/renderer/tvgInitializer.cpp
View file

@ -54,36 +54,30 @@ static constexpr bool operator &(CanvasEngine a, CanvasEngine b)
return int(a) & int(b);
}
static bool _buildVersionInfo()
static bool _buildVersionInfo(uint32_t* major, uint32_t* minor, uint32_t* micro)
{
auto SRC = THORVG_VERSION_STRING; //ex) 0.3.99
auto p = SRC;
auto VER = THORVG_VERSION_STRING;
auto p = VER;
const char* x;
char major[3];
x = strchr(p, '.');
if (!x) return false;
memcpy(major, p, x - p);
major[x - p] = '\0';
if (!(x = strchr(p, '.'))) return false;
uint32_t majorVal = atoi(p);
p = x + 1;
char minor[3];
x = strchr(p, '.');
if (!x) return false;
memcpy(minor, p, x - p);
minor[x - p] = '\0';
if (!(x = strchr(p, '.'))) return false;
uint32_t minorVal = atoi(p);
p = x + 1;
char micro[3];
x = SRC + strlen(THORVG_VERSION_STRING);
memcpy(micro, p, x - p);
micro[x - p] = '\0';
uint32_t microVal = atoi(p);
char sum[7];
snprintf(sum, sizeof(sum), "%s%s%s", major, minor, micro);
snprintf(sum, sizeof(sum), "%d%02d%02d", majorVal, minorVal, microVal);
_version = atoi(sum);
if (major) *major = majorVal;
if (minor) *minor = minorVal;
if (micro) *micro = microVal;
return true;
}
@ -121,7 +115,7 @@ Result Initializer::init(uint32_t threads, CanvasEngine engine) noexcept
if (_initCnt++ > 0) return Result::Success;
if (!_buildVersionInfo()) return Result::Unknown;
if (!_buildVersionInfo(nullptr, nullptr, nullptr)) return Result::Unknown;
if (!LoaderMgr::init()) return Result::Unknown;
@ -170,8 +164,14 @@ Result Initializer::term(CanvasEngine engine) noexcept
}
const char* Initializer::version(uint32_t* major, uint32_t* minor, uint32_t* micro) noexcept
{
if ((!major && ! minor && !micro) || _buildVersionInfo(major, minor, micro)) return THORVG_VERSION_STRING;
return nullptr;
}
uint16_t THORVG_VERSION_NUMBER()
{
return _version;
}
}