diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp b/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp index ea23d2d..2f83301 100644 --- a/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp +++ b/tests/auto/qsvgrenderer/tst_qsvgrenderer.cpp @@ -85,6 +85,7 @@ private slots: void oss_fuzz_23731(); void oss_fuzz_24131(); void oss_fuzz_24738(); + void imageRendering(); #ifndef QT_NO_COMPRESS void testGzLoading(); @@ -1632,5 +1633,52 @@ void tst_QSvgRenderer::oss_fuzz_24738() QSvgRenderer().load(QByteArray("<svg><path d=\"a 2 1e-212.....\">")); } +QByteArray image_data_url(QImage &image) { + QByteArray data; + QBuffer buffer(&data); + buffer.open(QBuffer::ReadWrite); + image.save(&buffer, "PNG"); + buffer.close(); + QByteArray url("data:image/png;base64,"); + url.append(data.toBase64()); + return url; +} + +void tst_QSvgRenderer::imageRendering() { + QImage img(2, 2, QImage::Format_ARGB32_Premultiplied); + img.fill(Qt::green); + img.setPixel(0, 0, qRgb(255, 0, 0)); + img.setPixel(1, 1, qRgb(255, 0, 0)); + QByteArray imgurl(image_data_url(img)); + QString svgtemplate( + "<svg><g transform='scale(2, 2)'>" + "<image image-rendering='%1' xlink:href='%2' width='2' height='2' />" + "</g></svg>" + ); + const char *cases[] = {"optimizeQuality", "optimizeSpeed"}; + for (auto ir: cases) { + QString svg = svgtemplate.arg(QLatin1String(ir)).arg(QLatin1String(imgurl)); + QImage img1(4, 4, QImage::Format_ARGB32); + QPainter p1; + p1.begin(&img1); + QSvgRenderer renderer(svg.toLatin1()); + Q_ASSERT(renderer.isValid()); + renderer.render(&p1); + p1.end(); + + QImage img2(4, 4, QImage::Format_ARGB32); + QPainter p2(&img2); + p2.scale(2, 2); + if (QLatin1String(ir) == QLatin1String("optimizeSpeed")) + p2.setRenderHint(QPainter::SmoothPixmapTransform, false); + else if (QLatin1String(ir) == QLatin1String("optimizeQuality")) + p2.setRenderHint(QPainter::SmoothPixmapTransform, true); + p2.drawImage(0, 0, img); + p2.end(); + QCOMPARE(img1, img2); + } +} + + QTEST_MAIN(tst_QSvgRenderer) #include "tst_qsvgrenderer.moc" |