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noexcept + documentation

This commit is contained in:
Vogel, Rick 2023-03-20 15:45:40 +01:00
parent bac54c2735
commit 7e8cb16370
3 changed files with 32 additions and 28 deletions
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25
src/common/QskRgbValue.cpp
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@ -12,6 +12,31 @@ QSK_QT_PRIVATE_BEGIN
#include <private/qdrawhelper_p.h> #include <private/qdrawhelper_p.h>
QSK_QT_PRIVATE_END QSK_QT_PRIVATE_END
#ifdef QSK_REQUIRE_CONSTEXPR_LITERALS
namespace QskRgb::literals::integral
{
// RGBA hex string to QRgb with defaulted alpha = 0xFF
static_assert( "#123456"_rgba == 0xFF123456, "invalid or not constexpr" );
static_assert( "#123456"_argb == 0xFF123456, "invalid or not constexpr" );
// ARGB hex string to QRgb with defaulted alpha = 0xFF
static_assert( "#AA112233"_argb == 0xAA112233, "invalid or not constexpr" );
static_assert( "#112233AA"_rgba == 0xAA112233, "invalid or not constexpr" );
// RGBA hex literal to QRgb with defaulted alpha = 0xFF
static_assert( 0x112233_rgba == 0xFF112233, "invalid or not constexpr" );
static_assert( 0xaabbcc_rgba == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0xAABBCC_rgba == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0x112233aa_rgba == 0xaa112233, "invalid or not constexpr" );
// ARGB hex literal to QRgb with defaulted alpha = 0xFF
static_assert( 0x112233_argb == 0xFF112233, "invalid or not constexpr" );
static_assert( 0xaabbcc_argb == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0xAABBCC_argb == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0x112233aa_argb == 0x112233aa, "invalid or not constexpr" );
}
#endif
namespace namespace
{ {
inline int value( int from, int to, qreal ratio ) inline int value( int from, int to, qreal ratio )

34
src/common/QskRgbValue.h
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@ -376,7 +376,7 @@ namespace QskRgb
return parse_hex_literal_x< Cs... >(); return parse_hex_literal_x< Cs... >();
} }
namespace qrgb namespace integral
{ {
// converts a hex string from '#RRGGBB[AA]' to '0xAARRGGBB' integer // converts a hex string from '#RRGGBB[AA]' to '0xAARRGGBB' integer
QSK_EXPORT constexpr QRgb operator""_rgba( QSK_EXPORT constexpr QRgb operator""_rgba(
@ -406,7 +406,7 @@ namespace QskRgb
// converts a hex literal from '0xRRGGBB[AA]' to '0xAARRGGBB' integer // converts a hex literal from '0xRRGGBB[AA]' to '0xAARRGGBB' integer
template< char... Cs > template< char... Cs >
constexpr QRgb operator""_rgba() constexpr QRgb operator""_rgba() noexcept
{ {
constexpr auto rrggbb = 8; constexpr auto rrggbb = 8;
constexpr auto rrggbbaa = 10; constexpr auto rrggbbaa = 10;
@ -433,7 +433,7 @@ namespace QskRgb
// converts a hex literal from '0x[AA]RRGGBB' to '0xAARRGGBB' integer // converts a hex literal from '0x[AA]RRGGBB' to '0xAARRGGBB' integer
template< char... Cs > template< char... Cs >
constexpr QRgb operator""_argb() constexpr QRgb operator""_argb() noexcept
{ {
constexpr auto rrggbb = 8; constexpr auto rrggbb = 8;
constexpr auto aarrggbb = 10; constexpr auto aarrggbb = 10;
@ -457,32 +457,11 @@ namespace QskRgb
return qRgba( r, g, b, a ); return qRgba( r, g, b, a );
} }
} }
#ifdef QSK_REQUIRE_CONSTEXPR_LITERALS
// RGBA hex string to QRgb with defaulted alpha = 0xFF
static_assert( "#123456"_rgba == 0xFF123456, "invalid or not constexpr" );
static_assert( "#123456"_argb == 0xFF123456, "invalid or not constexpr" );
// ARGB hex string to QRgb with defaulted alpha = 0xFF
static_assert( "#AA112233"_argb == 0xAA112233, "invalid or not constexpr" );
static_assert( "#112233AA"_rgba == 0xAA112233, "invalid or not constexpr" );
// RGBA hex literal to QRgb with defaulted alpha = 0xFF
static_assert( 0x112233_rgba == 0xFF112233, "invalid or not constexpr" );
static_assert( 0xaabbcc_rgba == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0xAABBCC_rgba == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0x112233aa_rgba == 0xaa112233, "invalid or not constexpr" );
// ARGB hex literal to QRgb with defaulted alpha = 0xFF
static_assert( 0x112233_argb == 0xFF112233, "invalid or not constexpr" );
static_assert( 0xaabbcc_argb == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0xAABBCC_argb == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0x112233aa_argb == 0x112233aa, "invalid or not constexpr" );
#endif
} }
namespace color namespace color
{ {
// converts a hex string from '#RRGGBB[AA]' to a QColor
QSK_EXPORT constexpr QColor operator""_rgba( QSK_EXPORT constexpr QColor operator""_rgba(
const char* const str, const size_t len ) noexcept const char* const str, const size_t len ) noexcept
{ {
@ -495,6 +474,7 @@ namespace QskRgb
return { r, g, b, a }; return { r, g, b, a };
} }
// converts a hex string from '#[AA]RRGGBB' to a QColor
QSK_EXPORT constexpr QColor operator""_argb( QSK_EXPORT constexpr QColor operator""_argb(
const char* const str, const size_t len ) noexcept const char* const str, const size_t len ) noexcept
{ {
@ -509,7 +489,7 @@ namespace QskRgb
// converts a hex literal from '0xRRGGBB[AA]' to a QColor // converts a hex literal from '0xRRGGBB[AA]' to a QColor
template< char... Cs > template< char... Cs >
constexpr QColor operator""_rgba() constexpr QColor operator""_rgba() noexcept
{ {
constexpr auto rrggbb = 8; constexpr auto rrggbb = 8;
constexpr auto rrggbbaa = 10; constexpr auto rrggbbaa = 10;
@ -536,7 +516,7 @@ namespace QskRgb
// converts a hex literal from '0x[AA]RRGGBB' to a QColor // converts a hex literal from '0x[AA]RRGGBB' to a QColor
template< char... Cs > template< char... Cs >
constexpr QColor operator""_argb() constexpr QColor operator""_argb() noexcept
{ {
constexpr auto rrggbb = 8; constexpr auto rrggbb = 8;
constexpr auto aarrggbb = 10; constexpr auto aarrggbb = 10;

1
tests/tests_main.cpp
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@ -1,5 +1,4 @@
#include "tests_main.h" #include "tests_main.h"
#undef QT_TESTCASE_BUILDDIR
#include <QTest> #include <QTest>
QTEST_APPLESS_MAIN( QskRgbLiterals ) QTEST_APPLESS_MAIN( QskRgbLiterals )