diff options
Diffstat (limited to 'tests/auto/qgl/tst_qgl.cpp')
| -rw-r--r-- | tests/auto/qgl/tst_qgl.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/tests/auto/qgl/tst_qgl.cpp b/tests/auto/qgl/tst_qgl.cpp index 6ac1739..31c4a3c 100644 --- a/tests/auto/qgl/tst_qgl.cpp +++ b/tests/auto/qgl/tst_qgl.cpp @@ -45,6 +45,7 @@ #include <qcoreapplication.h> #include <qdebug.h> #include <qgl.h> +#include <qglcolormap.h> #include <QGraphicsView> #include <QGraphicsProxyWidget> @@ -66,6 +67,7 @@ private slots: void graphicsViewClipping(); void partialGLWidgetUpdates_data(); void partialGLWidgetUpdates(); + void colormap(); }; tst_QGL::tst_QGL() @@ -623,5 +625,124 @@ void tst_QGL::partialGLWidgetUpdates() QCOMPARE(widget.paintEventRegion, QRegion(widget.rect())); } +class ColormapExtended : public QGLColormap +{ +public: + ColormapExtended() {} + + Qt::HANDLE handle() { return QGLColormap::handle(); } + void setHandle(Qt::HANDLE handle) { QGLColormap::setHandle(handle); } +}; + +void tst_QGL::colormap() +{ + // Check the properties of the default empty colormap. + QGLColormap cmap1; + QVERIFY(cmap1.isEmpty()); + QCOMPARE(cmap1.size(), 0); + QVERIFY(cmap1.entryRgb(0) == 0); + QVERIFY(cmap1.entryRgb(-1) == 0); + QVERIFY(cmap1.entryRgb(100) == 0); + QVERIFY(!cmap1.entryColor(0).isValid()); + QVERIFY(!cmap1.entryColor(-1).isValid()); + QVERIFY(!cmap1.entryColor(100).isValid()); + QCOMPARE(cmap1.find(qRgb(255, 0, 0)), -1); + QCOMPARE(cmap1.findNearest(qRgb(255, 0, 0)), -1); + + // Set an entry and re-test. + cmap1.setEntry(56, qRgb(255, 0, 0)); + // The colormap is still considered "empty" even though it + // has entries in it now. The isEmpty() method is used to + // detect when the colormap is in use by a GL widget, + // not to detect when it is empty! + QVERIFY(cmap1.isEmpty()); + QCOMPARE(cmap1.size(), 256); + QVERIFY(cmap1.entryRgb(0) == 0); + QVERIFY(cmap1.entryColor(0) == QColor(0, 0, 0, 255)); + QVERIFY(cmap1.entryRgb(56) == qRgb(255, 0, 0)); + QVERIFY(cmap1.entryColor(56) == QColor(255, 0, 0, 255)); + QCOMPARE(cmap1.find(qRgb(255, 0, 0)), 56); + QCOMPARE(cmap1.findNearest(qRgb(255, 0, 0)), 56); + + // Set some more entries. + static QRgb const colors[] = { + qRgb(255, 0, 0), + qRgb(0, 255, 0), + qRgb(255, 255, 255), + qRgb(0, 0, 255), + qRgb(0, 0, 0) + }; + cmap1.setEntry(57, QColor(0, 255, 0)); + cmap1.setEntries(3, colors + 2, 58); + cmap1.setEntries(5, colors, 251); + int idx; + for (idx = 0; idx < 5; ++idx) { + QVERIFY(cmap1.entryRgb(56 + idx) == colors[idx]); + QVERIFY(cmap1.entryColor(56 + idx) == QColor(colors[idx])); + QVERIFY(cmap1.entryRgb(251 + idx) == colors[idx]); + QVERIFY(cmap1.entryColor(251 + idx) == QColor(colors[idx])); + } + QCOMPARE(cmap1.size(), 256); + + // Perform color lookups. + QCOMPARE(cmap1.find(qRgb(255, 0, 0)), 56); + QCOMPARE(cmap1.find(qRgb(0, 0, 0)), 60); // Actually finds 0, 0, 0, 255. + QCOMPARE(cmap1.find(qRgba(0, 0, 0, 0)), 0); + QCOMPARE(cmap1.find(qRgb(0, 255, 0)), 57); + QCOMPARE(cmap1.find(qRgb(255, 255, 255)), 58); + QCOMPARE(cmap1.find(qRgb(0, 0, 255)), 59); + QCOMPARE(cmap1.find(qRgb(140, 0, 0)), -1); + QCOMPARE(cmap1.find(qRgb(0, 140, 0)), -1); + QCOMPARE(cmap1.find(qRgb(0, 0, 140)), -1); + QCOMPARE(cmap1.find(qRgb(64, 0, 0)), -1); + QCOMPARE(cmap1.find(qRgb(0, 64, 0)), -1); + QCOMPARE(cmap1.find(qRgb(0, 0, 64)), -1); + QCOMPARE(cmap1.findNearest(qRgb(255, 0, 0)), 56); + QCOMPARE(cmap1.findNearest(qRgb(0, 0, 0)), 60); + QCOMPARE(cmap1.findNearest(qRgba(0, 0, 0, 0)), 0); + QCOMPARE(cmap1.findNearest(qRgb(0, 255, 0)), 57); + QCOMPARE(cmap1.findNearest(qRgb(255, 255, 255)), 58); + QCOMPARE(cmap1.findNearest(qRgb(0, 0, 255)), 59); + QCOMPARE(cmap1.findNearest(qRgb(140, 0, 0)), 56); + QCOMPARE(cmap1.findNearest(qRgb(0, 140, 0)), 57); + QCOMPARE(cmap1.findNearest(qRgb(0, 0, 140)), 59); + QCOMPARE(cmap1.findNearest(qRgb(64, 0, 0)), 0); + QCOMPARE(cmap1.findNearest(qRgb(0, 64, 0)), 0); + QCOMPARE(cmap1.findNearest(qRgb(0, 0, 64)), 0); + + // Make some copies of the colormap and check that they are the same. + QGLColormap cmap2(cmap1); + QGLColormap cmap3; + cmap3 = cmap1; + QVERIFY(cmap2.isEmpty()); + QVERIFY(cmap3.isEmpty()); + QCOMPARE(cmap2.size(), 256); + QCOMPARE(cmap3.size(), 256); + for (idx = 0; idx < 256; ++idx) { + QCOMPARE(cmap1.entryRgb(idx), cmap2.entryRgb(idx)); + QCOMPARE(cmap1.entryRgb(idx), cmap3.entryRgb(idx)); + } + + // Modify an entry in one of the copies and recheck the original. + cmap2.setEntry(45, qRgb(255, 0, 0)); + for (idx = 0; idx < 256; ++idx) { + if (idx != 45) + QCOMPARE(cmap1.entryRgb(idx), cmap2.entryRgb(idx)); + else + QCOMPARE(cmap2.entryRgb(45), qRgb(255, 0, 0)); + QCOMPARE(cmap1.entryRgb(idx), cmap3.entryRgb(idx)); + } + + // Check that setting the handle will cause isEmpty() to work right. + ColormapExtended cmap4; + cmap4.setEntry(56, qRgb(255, 0, 0)); + QVERIFY(cmap4.isEmpty()); + QCOMPARE(cmap4.size(), 256); + cmap4.setHandle(Qt::HANDLE(42)); + QVERIFY(cmap4.handle() == Qt::HANDLE(42)); + QVERIFY(!cmap4.isEmpty()); + QCOMPARE(cmap4.size(), 256); +} + QTEST_MAIN(tst_QGL) #include "tst_qgl.moc" |