diff options
Diffstat (limited to 'tests/auto/gui/painting/qcolor/tst_qcolor.cpp')
| -rw-r--r-- | tests/auto/gui/painting/qcolor/tst_qcolor.cpp | 50 |
1 files changed, 41 insertions, 9 deletions
diff --git a/tests/auto/gui/painting/qcolor/tst_qcolor.cpp b/tests/auto/gui/painting/qcolor/tst_qcolor.cpp index 405f84d527..4fafbf9827 100644 --- a/tests/auto/gui/painting/qcolor/tst_qcolor.cpp +++ b/tests/auto/gui/painting/qcolor/tst_qcolor.cpp @@ -1,7 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ ** ** This file is part of the test suite of the Qt Toolkit. ** @@ -10,9 +10,9 @@ ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser @@ -23,8 +23,8 @@ ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ @@ -38,6 +38,7 @@ #include <qcolor.h> #include <qdebug.h> +#include <private/qdrawingprimitive_sse2_p.h> class tst_QColor : public QObject { @@ -102,7 +103,10 @@ private slots: void achromaticHslHue(); -#ifdef Q_WS_X11 + void premultiply(); + void unpremultiply_sse4(); + +#ifdef Q_DEAD_CODE_FROM_QT4_X11 void setallowX11ColorNames(); #endif }; @@ -1373,7 +1377,7 @@ void tst_QColor::achromaticHslHue() QCOMPARE(hsl.hslHue(), -1); } -#ifdef Q_WS_X11 +#ifdef Q_DEAD_CODE_FROM_QT4_X11 void tst_QColor::setallowX11ColorNames() { #if defined(Q_OS_IRIX) @@ -1432,5 +1436,33 @@ void tst_QColor::setallowX11ColorNames() } #endif +void tst_QColor::premultiply() +{ + // Tests that qPremultiply(qUnpremultiply(x)) returns x. + for (uint a = 0; a < 256; a++) { + for (uint c = 0; c <= a; c++) { + QRgb p = qRgba(c, a-c, c, a); + QCOMPARE(p, qPremultiply(qUnpremultiply(p))); + } + } +} + +void tst_QColor::unpremultiply_sse4() +{ + // Tests that qUnpremultiply_sse4 returns the same as qUnpremultiply. +#if QT_COMPILER_SUPPORTS_HERE(SSE4_1) + if (qCpuHasFeature(SSE4_1)) { + for (uint a = 0; a < 256; a++) { + for (uint c = 0; c <= a; c++) { + QRgb p = qRgba(c, a-c, c, a); + QCOMPARE(qUnpremultiply(p), qUnpremultiply_sse4(p)); + } + } + return; + } +#endif + QSKIP("SSE4 not supported on this CPU."); +} + QTEST_MAIN(tst_QColor) #include "tst_qcolor.moc" |