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Diffstat (limited to 'tests/auto/gui/image/qvolatileimage/tst_qvolatileimage.cpp')
| -rw-r--r-- | tests/auto/gui/image/qvolatileimage/tst_qvolatileimage.cpp | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/tests/auto/gui/image/qvolatileimage/tst_qvolatileimage.cpp b/tests/auto/gui/image/qvolatileimage/tst_qvolatileimage.cpp new file mode 100644 index 0000000000..bacca66dcd --- /dev/null +++ b/tests/auto/gui/image/qvolatileimage/tst_qvolatileimage.cpp @@ -0,0 +1,403 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <QtTest/QtTest> +#include <QtGui/qpainter.h> +#include <QtGui/qpaintengine.h> +#include <QtGui/private/qvolatileimage_p.h> +#ifdef Q_OS_SYMBIAN +#include <fbs.h> +#endif + +class tst_QVolatileImage : public QObject +{ + Q_OBJECT + +public: + tst_QVolatileImage() { } + +private slots: + void create(); + void ensureFormat(); + void dataAccess(); + void sharing(); + void paint(); + void fill(); + void copy(); + void bitmap(); +}; + +void tst_QVolatileImage::create() +{ + QVolatileImage nullImg; + QVERIFY(nullImg.isNull()); + + QVolatileImage img(100, 200, QImage::Format_ARGB32); + QVERIFY(!img.isNull()); + QCOMPARE(img.width(), 100); + QCOMPARE(img.height(), 200); + QCOMPARE(img.format(), QImage::Format_ARGB32); + QCOMPARE(img.byteCount(), img.bytesPerLine() * img.height()); + QCOMPARE(img.hasAlphaChannel(), true); + QCOMPARE(img.depth(), 32); + + QImage source(12, 23, QImage::Format_ARGB32_Premultiplied); + img = QVolatileImage(source); + QVERIFY(!img.isNull()); + QCOMPARE(img.width(), 12); + QCOMPARE(img.height(), 23); + QCOMPARE(img.format(), source.format()); + QCOMPARE(img.byteCount(), img.bytesPerLine() * img.height()); + QVERIFY(img.imageRef() == source); + QVERIFY(img.toImage() == source); + QCOMPARE(img.hasAlphaChannel(), true); + QCOMPARE(img.hasAlphaChannel(), img.imageRef().hasAlphaChannel()); + QCOMPARE(img.hasAlphaChannel(), img.toImage().hasAlphaChannel()); + QCOMPARE(img.depth(), 32); + +#ifdef Q_OS_SYMBIAN + CFbsBitmap *bmp = new CFbsBitmap; + QVERIFY(bmp->Create(TSize(100, 50), EColor16MAP) == KErrNone); + QVolatileImage bmpimg(bmp); + QVERIFY(!bmpimg.isNull()); + QCOMPARE(bmpimg.width(), 100); + QCOMPARE(bmpimg.height(), 50); + // Verify that we only did handle duplication, not pixel data copying. + QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress()); + delete bmp; + // Check if content is still valid. + QImage copyimg = bmpimg.toImage(); + QCOMPARE(copyimg.format(), QImage::Format_ARGB32_Premultiplied); +#endif +} + +void tst_QVolatileImage::ensureFormat() +{ + QImage source(12, 23, QImage::Format_ARGB32_Premultiplied); + QVolatileImage img(source); + QVERIFY(!img.isNull()); + QVERIFY(img.imageRef() == source); + QVERIFY(img.toImage() == source); + + QVERIFY(img.ensureFormat(QImage::Format_ARGB32_Premultiplied)); // no-op + QVERIFY(img.imageRef() == source); + QVERIFY(img.toImage() == source); + QVERIFY(img.format() == QImage::Format_ARGB32_Premultiplied); + + QVERIFY(img.ensureFormat(QImage::Format_RGB32)); // new data under-the-hood + QVERIFY(img.imageRef() != source); + QVERIFY(img.toImage() != source); + QVERIFY(img.format() == QImage::Format_RGB32); + +#ifdef Q_OS_SYMBIAN + CFbsBitmap *bmp = new CFbsBitmap; + QVERIFY(bmp->Create(TSize(100, 50), EColor16MAP) == KErrNone); + QVolatileImage bmpimg(bmp); + QVERIFY(bmpimg.ensureFormat(QImage::Format_ARGB32_Premultiplied)); // no-op + QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress()); + + // A different format should cause data copying. + QVERIFY(bmpimg.ensureFormat(QImage::Format_RGB32)); + QVERIFY(bmpimg.constBits() != (const uchar *) bmp->DataAddress()); + const uchar *prevBits = bmpimg.constBits(); + + QVERIFY(bmpimg.ensureFormat(QImage::Format_RGB16)); + QVERIFY(bmpimg.constBits() != (const uchar *) bmp->DataAddress()); + QVERIFY(bmpimg.constBits() != prevBits); + prevBits = bmpimg.constBits(); + + QVERIFY(bmpimg.ensureFormat(QImage::Format_MonoLSB)); + QVERIFY(bmpimg.constBits() != (const uchar *) bmp->DataAddress()); + QVERIFY(bmpimg.constBits() != prevBits); + + delete bmp; +#endif +} + +void tst_QVolatileImage::dataAccess() +{ + QImage source(12, 23, QImage::Format_ARGB32_Premultiplied); + QVolatileImage img(source); + QVERIFY(!img.isNull()); + img.beginDataAccess(); + QVERIFY(img.constBits()); + QVERIFY(img.imageRef().constBits()); + QVERIFY(img.bits()); + QVERIFY(img.imageRef().bits()); + img.endDataAccess(); + + img = QVolatileImage(12, 23, QImage::Format_ARGB32); + img.beginDataAccess(); + QVERIFY(img.constBits() && img.bits()); + img.endDataAccess(); +} + +void tst_QVolatileImage::sharing() +{ + QVolatileImage img1(100, 100, QImage::Format_ARGB32); + QVolatileImage img2 = img1; + img1.beginDataAccess(); + img2.beginDataAccess(); + QVERIFY(img1.constBits() == img2.constBits()); + img2.endDataAccess(); + img1.endDataAccess(); + img1.imageRef(); // non-const call, should detach + img1.beginDataAccess(); + img2.beginDataAccess(); + QVERIFY(img1.constBits() != img2.constBits()); + img2.endDataAccess(); + img1.endDataAccess(); + + // toImage() should return a copy of the internal QImage. + // imageRef() is a reference to the internal QImage. + QVERIFY(img1.imageRef().constBits() != img1.toImage().constBits()); + +#ifdef Q_OS_SYMBIAN + CFbsBitmap *bmp = new CFbsBitmap; + QVERIFY(bmp->Create(TSize(100, 50), EColor16MAP) == KErrNone); + QVolatileImage bmpimg(bmp); + QVolatileImage bmpimg2; + bmpimg2 = bmpimg; + QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress()); + QCOMPARE(bmpimg2.constBits(), (const uchar *) bmp->DataAddress()); + // Now force a detach, which should copy the pixel data under-the-hood. + bmpimg.imageRef(); + QVERIFY(bmpimg.constBits() != (const uchar *) bmp->DataAddress()); + QCOMPARE(bmpimg2.constBits(), (const uchar *) bmp->DataAddress()); + delete bmp; +#endif +} + +bool fuzzyCompareImages(const QImage &image1, const QImage &image2, int tolerance) +{ + if (image1.bytesPerLine() != image2.bytesPerLine() + || image1.width() != image2.width() + || image1.height() != image2.height()) { + return false; + } + for (int i = 0; i < image1.height(); i++) { + const uchar *line1 = image1.scanLine(i); + const uchar *line2 = image2.scanLine(i); + int bytes = image1.bytesPerLine(); + for (int j = 0; j < bytes; j++) { + int delta = line1[j] - line2[j]; + if (qAbs(delta) > tolerance) + return false; + } + } + return true; +} + +void tst_QVolatileImage::paint() +{ +#ifdef Q_OS_SYMBIAN + QVolatileImage img(100, 100, QImage::Format_ARGB32); + img.beginDataAccess(); + img.imageRef().fill(QColor(Qt::green).rgba()); + QPainter p(&img.imageRef()); + p.drawRect(10, 10, 50, 50); + p.end(); + img.endDataAccess(); + QImage imgA = img.toImage(); + + // The following assumes that on openvg the pixmapdata is backed by QVolatileImage) + // (and that openvg is in use) + // It should pass with any engine nonetheless. + // See if painting into the underlying QImage succeeds. + QPixmap pm(100, 100); + if (pm.paintEngine()->type() == QPaintEngine::Raster) { + pm.fill(Qt::green); + QPainter pmp(&pm); + pmp.drawRect(10, 10, 50, 50); + pmp.end(); + QImage imgB = pm.toImage(); + QVERIFY(fuzzyCompareImages(imgA, imgB, 0)); + // Exercise the accelerated QVolatileImagePaintEngine::drawPixmap() a bit. + QPixmap targetPm(pm.size()); + targetPm.fill(Qt::black); + pmp.begin(&targetPm); + pmp.drawPixmap(QPointF(0, 0), pm); + pmp.end(); + imgB = targetPm.toImage(); + QVERIFY(fuzzyCompareImages(imgA, imgB, 0)); + // Now the overload taking rects. + targetPm.fill(Qt::black); + pmp.begin(&targetPm); + QRectF rect(QPointF(0, 0), pm.size()); + pmp.drawPixmap(rect, pm, rect); + pmp.end(); + imgB = targetPm.toImage(); + QVERIFY(fuzzyCompareImages(imgA, imgB, 0)); + } else { + QSKIP("Pixmaps not painted via raster, skipping paint test", SkipSingle); + } +#endif +} + +void tst_QVolatileImage::fill() +{ + QVolatileImage img(100, 100, QImage::Format_ARGB32_Premultiplied); + QColor col = QColor(10, 20, 30); + img.fill(col.rgba()); + QVERIFY(img.imageRef().pixel(1, 1) == col.rgba()); + QVERIFY(img.toImage().pixel(1, 1) == col.rgba()); + +#ifdef Q_OS_SYMBIAN + CFbsBitmap *bmp = static_cast<CFbsBitmap *>(img.duplicateNativeImage()); + QVERIFY(bmp); + TRgb pix; + bmp->GetPixel(pix, TPoint(1, 1)); + QCOMPARE(pix.Red(), col.red()); + QCOMPARE(pix.Green(), col.green()); + QCOMPARE(pix.Blue(), col.blue()); + delete bmp; +#endif +} + +void tst_QVolatileImage::copy() +{ + QVolatileImage img(100, 100, QImage::Format_RGB32); + img.beginDataAccess(); + img.imageRef().fill(QColor(Qt::green).rgba()); + QPainter p(&img.imageRef()); + p.drawRect(10, 10, 50, 50); + p.end(); + img.endDataAccess(); + + QVolatileImage img2(100, 100, QImage::Format_RGB32); + img2.copyFrom(&img, QRect()); + QImage imgA = img.toImage(); + QImage imgB = img2.toImage(); + QCOMPARE(imgA.size(), imgB.size()); + QVERIFY(fuzzyCompareImages(imgA, imgB, 0)); + + img2 = QVolatileImage(20, 20, QImage::Format_RGB32); + img2.copyFrom(&img, QRect(5, 5, 20, 20)); + imgA = img.toImage().copy(5, 5, 20, 20); + imgB = img2.toImage(); + QCOMPARE(imgA.size(), imgB.size()); + QVERIFY(fuzzyCompareImages(imgA, imgB, 0)); +} + +void tst_QVolatileImage::bitmap() +{ +#ifdef Q_OS_SYMBIAN + CFbsBitmap *bmp = new CFbsBitmap; + QVERIFY(bmp->Create(TSize(100, 50), EColor64K) == KErrNone); + QVolatileImage bmpimg(bmp); + CFbsBitmap *dupbmp = static_cast<CFbsBitmap *>(bmpimg.duplicateNativeImage()); + QVERIFY(dupbmp); + QVERIFY(dupbmp != bmp); + QCOMPARE(dupbmp->DataAddress(), bmp->DataAddress()); + delete dupbmp; + delete bmp; + bmpimg.beginDataAccess(); + qMemSet(bmpimg.bits(), 0, bmpimg.byteCount()); + qMemSet(bmpimg.bits(), 1, bmpimg.bytesPerLine() * bmpimg.height()); + bmpimg.endDataAccess(); + + // Test bgr->rgb conversion in case of EColor16M. + bmp = new CFbsBitmap; + QVERIFY(bmp->Create(TSize(101, 89), EColor16M) == KErrNone); + bmp->BeginDataAccess(); + TUint32 *addr = bmp->DataAddress(); + uint rgb = QColor(10, 20, 30).rgb(); + qMemCopy(bmp->DataAddress(), &rgb, 3); + bmp->EndDataAccess(); + TRgb symrgb; + bmp->GetPixel(symrgb, TPoint(0, 0)); + QVERIFY(symrgb.Red() == 10 && symrgb.Green() == 20 && symrgb.Blue() == 30); + bmpimg = QVolatileImage(bmp); + QVERIFY(bmpimg.toImage().pixel(0, 0) == rgb); + // check if there really was a conversion + bmp->BeginDataAccess(); + bmpimg.beginDataAccess(); + qMemCopy(&rgb, bmpimg.constBits(), 3); + uint rgb2 = rgb; + qMemCopy(&rgb2, bmp->DataAddress(), 3); + QVERIFY(rgb != rgb2); + bmpimg.endDataAccess(true); + bmp->EndDataAccess(true); + delete bmp; + + bmp = new CFbsBitmap; + QVERIFY(bmp->Create(TSize(101, 89), EGray2) == KErrNone); + bmpimg = QVolatileImage(bmp); // inverts pixels, but should do it in place + QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress()); + QCOMPARE(bmpimg.format(), QImage::Format_MonoLSB); + bmpimg.ensureFormat(QImage::Format_ARGB32_Premultiplied); + QVERIFY(bmpimg.constBits() != (const uchar *) bmp->DataAddress()); + QCOMPARE(bmpimg.format(), QImage::Format_ARGB32_Premultiplied); + delete bmp; + + // The following two formats must be optimal always. + bmp = new CFbsBitmap; + QVERIFY(bmp->Create(TSize(101, 89), EColor16MAP) == KErrNone); + bmpimg = QVolatileImage(bmp); + QCOMPARE(bmpimg.format(), QImage::Format_ARGB32_Premultiplied); + QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress()); + bmpimg.ensureFormat(QImage::Format_ARGB32_Premultiplied); + QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress()); + delete bmp; + bmp = new CFbsBitmap; + QVERIFY(bmp->Create(TSize(101, 89), EColor16MU) == KErrNone); + bmpimg = QVolatileImage(bmp); + QCOMPARE(bmpimg.format(), QImage::Format_RGB32); + QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress()); + bmpimg.ensureFormat(QImage::Format_RGB32); + QCOMPARE(bmpimg.constBits(), (const uchar *) bmp->DataAddress()); + delete bmp; + +#else + QSKIP("CFbsBitmap is only available on Symbian, skipping bitmap test", SkipSingle); +#endif +} + +int main(int argc, char *argv[]) +{ + QApplication::setGraphicsSystem("openvg"); + QApplication app(argc, argv); + tst_QVolatileImage tc; + return QTest::qExec(&tc, argc, argv); +} + +#include "tst_qvolatileimage.moc" |