qt 6.5.1 original

tests/auto/gui/text/qtextimagehandler/CMakeLists.txt

@@ -0,0 +1,23 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+list(APPEND test_data "data/image.png")
+list(APPEND test_data "data/image@2x.png")
+
+qt_internal_add_test(tst_qtextimagehandler
+    SOURCES
+    tst_qtextimagehandler.cpp
+    LIBRARIES
+        Qt::CorePrivate
+        Qt::Gui
+        Qt::GuiPrivate
+    TESTDATA
+        ${test_data}
+)
+
+qt_internal_add_resource(tst_qtextimagehandler "qtextimagehandler"
+    PREFIX
+        "/"
+    FILES
+        ${test_data}
+)

tests/auto/gui/text/qtextimagehandler/tst_qtextimagehandler.cpp

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+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QTest>
+
+#include <QPainter>
+#include <private/qtextimagehandler_p.h>
+
+class tst_QTextImageHandler : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QTextImageHandler();
+
+private slots:
+    void init();
+    void cleanup();
+    void cleanupTestCase();
+    void loadAtNImages_data();
+    void loadAtNImages();
+};
+
+tst_QTextImageHandler::tst_QTextImageHandler()
+{
+}
+
+void tst_QTextImageHandler::init()
+{
+}
+
+void tst_QTextImageHandler::cleanup()
+{
+}
+
+void tst_QTextImageHandler::cleanupTestCase()
+{
+}
+
+void tst_QTextImageHandler::loadAtNImages_data()
+{
+    QTest::addColumn<QString>("imageFile");
+
+    QTest::addRow("file") << QFINDTESTDATA("data/image.png");
+    QTest::addRow("file_url") << QString("file:/") + QFINDTESTDATA("data/image.png");
+    QTest::addRow("resource") << ":/data/image.png";
+    QTest::addRow("qrc_url") << "qrc:/data/image.png";
+}
+
+void tst_QTextImageHandler::loadAtNImages()
+{
+    QFETCH(QString, imageFile);
+
+    QTextDocument doc;
+    QTextCursor c(&doc);
+    c.insertHtml("<img src=\"" + imageFile + "\">");
+    const auto formats = doc.allFormats();
+    const auto it = std::find_if(formats.begin(), formats.end(), [](const auto &format){
+        return format.objectType() == QTextFormat::ImageObject;
+    });
+    QVERIFY(it != formats.end());
+    const QTextImageFormat format = (*it).toImageFormat();
+    QTextImageHandler handler;
+
+    for (const auto &dpr : {1, 2}) {
+        QImage img(20, 20, QImage::Format_ARGB32_Premultiplied);
+        img.fill(Qt::white);
+        img.setDevicePixelRatio(dpr);
+        QPainter p(&img);
+        handler.drawObject(&p, QRect(0, 0, 20, 20), &doc, 0, format);
+        p.end();
+        QVERIFY(!img.isNull());
+        const auto expectedColor = dpr == 1 ? Qt::red : Qt::green;
+        QCOMPARE(img.pixelColor(0, 0), expectedColor);
+    }
+}
+
+QTEST_MAIN(tst_QTextImageHandler)
+#include "tst_qtextimagehandler.moc"