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+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#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"