make literal constexpr check configurable

This commit is contained in:
Vogel, Rick 2023-03-20 11:59:36 +01:00
parent 44dd56542a
commit 2a0abed6d2
7 changed files with 23 additions and 38 deletions

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@ -63,6 +63,7 @@ OBJECTS_DIR = obj
RCC_DIR = rcc RCC_DIR = rcc
QSK_CONFIG += QskDll QSK_CONFIG += QskDll
QSK_CONFIG += QskRequireConstexprLiterals
linux { linux {

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@ -458,27 +458,26 @@ namespace QskRgb
} }
} }
#define QSK_REQUIRE_CONSTEXPR_LITERAL 1 #ifdef QSK_REQUIRE_CONSTEXPR_LITERALS
#ifdef QSK_REQUIRE_CONSTEXPR_LITERAL
// RGBA hex string to QRgb with defaulted alpha = 0xFF // RGBA hex string to QRgb with defaulted alpha = 0xFF
static_assert( "#123456"_rgba == 0xFF123456, "not constexpr" ); static_assert( "#123456"_rgba == 0xFF123456, "invalid or not constexpr" );
static_assert( "#123456"_argb == 0xFF123456, "not constexpr" ); static_assert( "#123456"_argb == 0xFF123456, "invalid or not constexpr" );
// ARGB hex string to QRgb with defaulted alpha = 0xFF // ARGB hex string to QRgb with defaulted alpha = 0xFF
static_assert( "#AA112233"_argb == 0xAA112233, "not constexpr" ); static_assert( "#AA112233"_argb == 0xAA112233, "invalid or not constexpr" );
static_assert( "#112233AA"_rgba == 0xAA112233, "not constexpr" ); static_assert( "#112233AA"_rgba == 0xAA112233, "invalid or not constexpr" );
// RGBA hex literal to QRgb with defaulted alpha = 0xFF // RGBA hex literal to QRgb with defaulted alpha = 0xFF
static_assert( 0x112233_rgba == 0xFF112233, "" ); static_assert( 0x112233_rgba == 0xFF112233, "invalid or not constexpr" );
static_assert( 0xaabbcc_rgba == 0xFFAABBCC, "" ); static_assert( 0xaabbcc_rgba == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0xAABBCC_rgba == 0xFFAABBCC, "" ); static_assert( 0xAABBCC_rgba == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0x112233aa_rgba == 0xaa112233, "" ); static_assert( 0x112233aa_rgba == 0xaa112233, "invalid or not constexpr" );
// ARGB hex literal to QRgb with defaulted alpha = 0xFF // ARGB hex literal to QRgb with defaulted alpha = 0xFF
static_assert( 0x112233_argb == 0xFF112233, "" ); static_assert( 0x112233_argb == 0xFF112233, "invalid or not constexpr" );
static_assert( 0xaabbcc_argb == 0xFFAABBCC, "" ); static_assert( 0xaabbcc_argb == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0xAABBCC_argb == 0xFFAABBCC, "" ); static_assert( 0xAABBCC_argb == 0xFFAABBCC, "invalid or not constexpr" );
static_assert( 0x112233aa_argb == 0x112233aa, "" ); static_assert( 0x112233aa_argb == 0x112233aa, "invalid or not constexpr" );
#endif #endif
} }
@ -493,8 +492,7 @@ namespace QskRgb
const auto g = ( argb >> ( len == max ? 16 : 8 ) ) & 0xFF; const auto g = ( argb >> ( len == max ? 16 : 8 ) ) & 0xFF;
const auto b = ( argb >> ( len == max ? 8 : 0 ) ) & 0xFF; const auto b = ( argb >> ( len == max ? 8 : 0 ) ) & 0xFF;
const auto a = ( len == max ? argb & 0xFF : 0xFF ); const auto a = ( len == max ? argb & 0xFF : 0xFF );
const auto color = QColor{ r, g, b, a }; return { r, g, b, a };
return color;
} }
QSK_EXPORT constexpr QColor operator""_argb( QSK_EXPORT constexpr QColor operator""_argb(
@ -506,8 +504,7 @@ namespace QskRgb
const auto g = ( argb >> 8 ) & 0xFF; const auto g = ( argb >> 8 ) & 0xFF;
const auto b = ( argb >> 0 ) & 0xFF; const auto b = ( argb >> 0 ) & 0xFF;
const auto a = ( len == max ? argb >> 24 : 0xFF ) & 0xFF; const auto a = ( len == max ? argb >> 24 : 0xFF ) & 0xFF;
const auto color = QColor{ r, g, b, a }; return { r, g, b, a };
return color;
} }
// converts a hex literal from '0xRRGGBB[AA]' to a QColor // converts a hex literal from '0xRRGGBB[AA]' to a QColor

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@ -8,6 +8,7 @@ greaterThan( QT_MAJOR_VERSION, 5 ) {
} }
contains(QSK_CONFIG, QskDll): DEFINES += QSK_MAKEDLL contains(QSK_CONFIG, QskDll): DEFINES += QSK_MAKEDLL
contains(QSK_CONFIG, QskRequireConstexprLiterals): DEFINES += QSK_REQUIRE_CONSTEXPR_LITERALS
QSK_SUBDIRS = common graphic nodes controls layouts dialogs inputpanel QSK_SUBDIRS = common graphic nodes controls layouts dialogs inputpanel
INCLUDEPATH *= $${QSK_SUBDIRS} INCLUDEPATH *= $${QSK_SUBDIRS}

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@ -56,25 +56,6 @@ void QskRgbLiterals::qrgbLiterals_data()
void QskRgbLiterals::qrgbLiterals() void QskRgbLiterals::qrgbLiterals()
{ {
using namespace QskRgb::literals::qrgb; using namespace QskRgb::literals::qrgb;
#ifdef QSK_REQUIRE_CONSTEXPR_LITERAL
static_assert( "#123456"_rgba == 0xFF123456, "not constexpr" );
static_assert( "#123456"_argb == 0xFF123456, "not constexpr" );
static_assert( "#AA112233"_argb == 0xAA112233, "not constexpr" );
static_assert( "#112233AA"_rgba == 0xAA112233, "not constexpr" );
static_assert( 0x112233_rgba == 0xFF112233, "not constexpr" );
static_assert( 0xaabbcc_rgba == 0xFFAABBCC, "not constexpr" );
static_assert( 0xAABBCC_rgba == 0xFFAABBCC, "not constexpr" );
static_assert( 0x112233aa_rgba == 0xaa112233, "not constexpr" );
static_assert( 0x112233_argb == 0xFF112233, "not constexpr" );
static_assert( 0xaabbcc_argb == 0xFFAABBCC, "not constexpr" );
static_assert( 0xAABBCC_argb == 0xFFAABBCC, "not constexpr" );
static_assert( 0x112233aa_argb == 0x112233aa, "not constexpr" );
#endif
QFETCH( QRgb, actual ); QFETCH( QRgb, actual );
QFETCH( QRgb, expected ); QFETCH( QRgb, expected );
QCOMPARE( actual, expected ); QCOMPARE( actual, expected );

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@ -1,3 +1,5 @@
#pragma once
#include <QObject> #include <QObject>
class QskRgbLiterals final : public QObject class QskRgbLiterals final : public QObject

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@ -1,4 +1,4 @@
#include "test_QskRgbLiterals.h" #include "tests_main.h"
#include <QTest> #include <QTest>
QTEST_APPLESS_MAIN( QskRgbLiterals ) QTEST_APPLESS_MAIN( QskRgbLiterals )

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@ -0,0 +1,3 @@
#pragma once
#include "test_QskRgbLiterals.h"