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qt6windows7/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp
kleuter 85d238dfda qt 6.5.1 original
2023-10-29 23:33:08 +01:00

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QSet>
#include <QTemporaryFile>
#include <QBuffer>
#include <QTest>
#include <QPixmap>
#include <QBitmap>
#include <QImage>
#include <QImageReader>
#include <QPaintEngine>
#ifndef QT_NO_WIDGETS
#include <QSplashScreen>
#endif
#include <qpa/qplatformpixmap.h>
#include <qpa/qplatformintegration.h>
#include <private/qguiapplication_p.h>
#include <private/qdrawhelper_p.h>
#ifdef Q_OS_WIN
#include <qt_windows.h>
#endif
Q_DECLARE_METATYPE(QImage::Format)
class tst_QPixmap : public QObject
{
Q_OBJECT
public:
tst_QPixmap();
public slots:
void initTestCase();
void cleanupTestCase();
private slots:
void swap();
void fromImage_data();
void fromImage();
void fromUninitializedImage_data();
void fromUninitializedImage();
void convertFromImage_data();
void convertFromImage();
void convertFromImageShouldDetach();
void testMetrics();
void scroll_data();
void scroll();
void fill_data();
void fill();
void fill_transparent();
void createMaskFromColor();
void mask();
void bitmapMask();
void bitmapFromImageRvalue();
void setGetMask_data();
void setGetMask();
void cacheKey();
void drawBitmap();
void isNull();
void task_246446();
void task_51271();
void convertFromImageNoDetach();
void convertFromImageNoDetach2();
void convertFromImageDetach();
void convertFromImageCacheKey();
#if defined(Q_OS_WIN)
void toWinHBITMAP_data();
void toWinHBITMAP();
void fromWinHBITMAP_data();
void fromWinHBITMAP();
void toWinHICON_data();
void toWinHICON();
void fromWinHICON_data();
void fromWinHICON();
#endif
void onlyNullPixmapsOutsideGuiThread();
void refUnref();
void copy();
void move();
void deepCopyPreservesDpr();
void fillPreservesDpr();
void dprPassthrough();
void depthOfNullObjects();
void transformed();
void transformed2();
void fromImage_crash();
void load();
void loadFromData();
#if !defined(QT_NO_DATASTREAM)
void loadFromDataStream();
#endif
void fromData();
void loadFromDataNullValues();
void loadFromDataImage_data();
void loadFromDataImage();
void fromImageReader_data();
void fromImageReader();
void fromImageReaderAnimatedGif_data();
void fromImageReaderAnimatedGif();
void preserveDepth();
#ifndef QT_NO_WIDGETS
void splash_crash();
#endif
void toImageDeepCopy();
void loadAsBitmapOrPixmap();
void scaled_QTBUG19157();
void detachOnLoad_QTBUG29639();
void copyOnNonAlignedBoundary();
void devicePixelRatio();
void deviceIndependentSize();
private:
const QString m_prefix;
const QString m_convertFromImage;
const QString m_loadFromData;
const QTemporaryDir m_tempDir;
};
static bool lenientCompare(const QPixmap &actual, const QPixmap &expected)
{
QImage expectedImage = expected.toImage().convertToFormat(QImage::Format_RGB32);
QImage actualImage = actual.toImage().convertToFormat(QImage::Format_RGB32);
if (expectedImage.size() != actualImage.size()) {
qWarning("Image size comparison failed: expected: %dx%d, got %dx%d",
expectedImage.size().width(), expectedImage.size().height(),
actualImage.size().width(), actualImage.size().height());
return false;
}
const int size = actual.width() * actual.height();
const int threshold = QPixmap::defaultDepth() == 16 ? 10 : 2;
QRgb *a = (QRgb *)actualImage.bits();
QRgb *e = (QRgb *)expectedImage.bits();
for (int i = 0; i < size; ++i) {
const QColor ca(a[i]);
const QColor ce(e[i]);
if (qAbs(ca.red() - ce.red()) > threshold
|| qAbs(ca.green() - ce.green()) > threshold
|| qAbs(ca.blue() - ce.blue()) > threshold) {
qWarning("Color mismatch at pixel #%d: Expected: %d,%d,%d, got %d,%d,%d",
i, ce.red(), ce.green(), ce.blue(), ca.red(), ca.green(), ca.blue());
return false;
}
}
return true;
}
tst_QPixmap::tst_QPixmap()
: m_prefix(QFINDTESTDATA("images/"))
, m_convertFromImage(QFINDTESTDATA("convertFromImage"))
, m_loadFromData(QFINDTESTDATA("loadFromData"))
{
}
void tst_QPixmap::initTestCase()
{
QVERIFY(!m_prefix.isEmpty());
QVERIFY(!m_convertFromImage.isEmpty());
QVERIFY(!m_loadFromData.isEmpty());
QVERIFY2(m_tempDir.isValid(), qPrintable(m_tempDir.errorString()));
}
void tst_QPixmap::cleanupTestCase()
{
}
void tst_QPixmap::swap()
{
QPixmap p1( 16, 16 ), p2( 32, 32 );
p1.fill( Qt::white );
p2.fill( Qt::black );
const qint64 p1k = p1.cacheKey();
const qint64 p2k = p2.cacheKey();
p1.swap(p2);
QCOMPARE(p1.cacheKey(), p2k);
QCOMPARE(p1.size(), QSize(32,32));
QCOMPARE(p2.cacheKey(), p1k);
QCOMPARE(p2.size(), QSize(16,16));
}
void tst_QPixmap::fromImage_data()
{
bool is16bit = false;
if (QPixmap::defaultDepth() == 16)
is16bit = true;
QTest::addColumn<QImage::Format>("format");
QTest::newRow("Format_Mono") << QImage::Format_Mono;
QTest::newRow("Format_MonoLSB") << QImage::Format_MonoLSB;
// QTest::newRow("Format_Indexed8") << QImage::Format_Indexed8;
if (!is16bit)
QTest::newRow("Format_RGB32") << QImage::Format_RGB32;
QTest::newRow("Format_ARGB32") << QImage::Format_ARGB32;
QTest::newRow("Format_ARGB32_Premultiplied") << QImage::Format_ARGB32_Premultiplied;
if (!is16bit)
QTest::newRow("Format_RGB16") << QImage::Format_RGB16;
}
void tst_QPixmap::fromImage()
{
QFETCH(QImage::Format, format);
QImage image(37, 16, format);
if (image.colorCount() == 2) {
image.setColor(0, QColor(Qt::color0).rgba());
image.setColor(1, QColor(Qt::color1).rgba());
}
image.fill(0x7f7f7f7f);
const QPixmap pixmap = QPixmap::fromImage(image);
const QImage result = pixmap.toImage();
image = image.convertToFormat(result.format());
QCOMPARE(result, image);
}
void tst_QPixmap::fromUninitializedImage_data()
{
QTest::addColumn<QImage::Format>("format");
QTest::newRow("Format_Mono") << QImage::Format_Mono;
QTest::newRow("Format_MonoLSB") << QImage::Format_MonoLSB;
QTest::newRow("Format_Indexed8") << QImage::Format_Indexed8;
QTest::newRow("Format_RGB32") << QImage::Format_RGB32;
QTest::newRow("Format_ARGB32") << QImage::Format_ARGB32;
QTest::newRow("Format_ARGB32_Premultiplied") << QImage::Format_ARGB32_Premultiplied;
QTest::newRow("Format_RGB16") << QImage::Format_RGB16;
}
void tst_QPixmap::fromUninitializedImage()
{
QFETCH(QImage::Format, format);
QImage image(100, 100, format);
QPixmap pix = QPixmap::fromImage(image);
// it simply shouldn't crash...
QVERIFY(true);
}
void tst_QPixmap::convertFromImage_data()
{
QTest::addColumn<QImage>("img1");
QTest::addColumn<QImage>("img2");
{
QImage img1;
QImage img2;
QVERIFY(img1.load(m_convertFromImage + "/task31722_0/img1.png"));
QVERIFY(img2.load(m_convertFromImage + "/task31722_0/img2.png"));
QVERIFY(img1.load(m_convertFromImage + "/task31722_0/img1.png"));
QVERIFY(img2.load(m_convertFromImage + "/task31722_0/img2.png"));
QTest::newRow("Task 31722 0") << img1 << img2;
}
{
QImage img1;
QImage img2;
QVERIFY(img1.load(m_convertFromImage + "/task31722_1/img1.png"));
QVERIFY(img2.load(m_convertFromImage + "/task31722_1/img2.png"));
QTest::newRow("Task 31722 1") << img1 << img2;
}
}
void tst_QPixmap::convertFromImage()
{
QFETCH(QImage, img1);
QFETCH(QImage, img2);
QPixmap pix = QPixmap::fromImage(img1);
pix = QPixmap::fromImage(img2);
QPixmap res = QPixmap::fromImage(img2);
QCOMPARE(pix, res);
}
void tst_QPixmap::convertFromImageShouldDetach()
{
QImage img1;
QImage img2;
QVERIFY(img1.load(m_convertFromImage + "/task31722_0/img1.png"));
QVERIFY(img2.load(m_convertFromImage + "/task31722_0/img2.png"));
QPixmap pix = QPixmap::fromImage(img1);
QPixmap pix1 = pix;
pix.convertFromImage(img2);
QCOMPARE(pix, QPixmap::fromImage(img2));
QCOMPARE(pix1, QPixmap::fromImage(img1)); // unchanged
}
void tst_QPixmap::scroll_data()
{
QTest::addColumn<QImage>("input");
QTest::addColumn<int>("dx");
QTest::addColumn<int>("dy");
QTest::addColumn<QRect>("rect");
QTest::addColumn<QRegion>("exposed");
QTest::addColumn<bool>("newPix");
QImage input(":/images/designer.png");
// Noop tests
QTest::newRow("null") << QImage() << 0 << 0 << QRect() << QRegion() << false;
QTest::newRow("dx_0_dy_0_null") << input << 0 << 0 << QRect() << QRegion() << false;
QTest::newRow("dx_1_dy_0_null") << input << 1 << 0 << QRect() << QRegion() << false;
QTest::newRow("dx_0_dy_1_null") << input << 0 << 1 << QRect() << QRegion() << false;
QTest::newRow("dx_0_dy_0_x_y_w_h") << input << 0 << 0 << input.rect() << QRegion() << false;
QRegion r;
// Scroll whole pixmap
r = QRegion(); r += QRect(0, 0, 128, 10);
QTest::newRow("dx_0_dy_10_x_y_w_h") << input << 0 << 10 << input.rect() << r << true;
r = QRegion(); r += QRect(0, 0, 10, 128);
QTest::newRow("dx_10_dy_0_x_y_w_h") << input << 10 << 0 << input.rect() << r << true;
r = QRegion(); r += QRect(0, 0, 128, 10); r += QRect(0, 10, 10, 118);
QTest::newRow("dx_10_dy_10_x_y_w_h") << input << 10 << 10 << input.rect() << r << true;
r = QRegion(); r += QRect(118, 0, 10, 128);
QTest::newRow("dx_-10_dy_0_x_y_w_h") << input << -10 << 0 << input.rect() << r << true;
r = QRegion(); r += QRect(0, 118, 128, 10);
QTest::newRow("dx_0_dy_-10_x_y_w_h") << input << 0 << -10 << input.rect() << r << true;
r = QRegion(); r += QRect(118, 0, 10, 118); r += QRect(0, 118, 128, 10);
QTest::newRow("dx_-10_dy_-10_x_y_w_h") << input << -10 << -10 << input.rect() << r << true;
// Scroll part of pixmap
QTest::newRow("dx_0_dy_0_50_50_100_100") << input << 0 << 0 << QRect(50, 50, 100, 100) << QRegion() << false;
r = QRegion(); r += QRect(50, 50, 10, 78);
QTest::newRow("dx_10_dy_0_50_50_100_100") << input << 10 << 0 << QRect(50, 50, 100, 100) << r << true;
r = QRegion(); r += QRect(50, 50, 78, 10);
QTest::newRow("dx_0_dy_10_50_50_100_100") << input << 0 << 10 << QRect(50, 50, 100, 100) << r << true;
r = QRegion(); r += QRect(50, 50, 78, 10); r += QRect(50, 60, 10, 68);
QTest::newRow("dx_10_dy_10_50_50_100_100") << input << 10 << 10 << QRect(50, 50, 100, 100) << r << true;
r = QRegion(); r += QRect(118, 50, 10, 78);
QTest::newRow("dx_-10_dy_0_50_50_100_100") << input << -10 << 0 << QRect(50, 50, 100, 100) << r << true;
r = QRegion(); r += QRect(50, 118, 78, 10);
QTest::newRow("dx_0_dy_-10_50_50_100_100") << input << 0 << -10 << QRect(50, 50, 100, 100) << r << true;
r = QRegion(); r += QRect(118, 50, 10, 68); r += QRect(50, 118, 78, 10);
QTest::newRow("dx_-10_dy_-10_50_50_100_100") << input << -10 << -10 << QRect(50, 50, 100, 100) << r << true;
// Scroll away the whole pixmap
r = input.rect();
QTest::newRow("dx_128_dy_0_x_y_w_h") << input << 128 << 0 << input.rect() << r << false;
QTest::newRow("dx_0_dy_128_x_y_w_h") << input << 0 << 128 << input.rect() << r << false;
QTest::newRow("dx_128_dy_128_x_y_w_h") << input << 128 << 128 << input.rect() << r << false;
QTest::newRow("dx_-128_dy_0_x_y_w_h") << input << -128 << 0 << input.rect() << r << false;
QTest::newRow("dx_0_dy_-128_x_y_w_h") << input << 0 << -128 << input.rect() << r << false;
QTest::newRow("dx_-128_dy_-128_x_y_w_h") << input << -128 << -128 << input.rect() << r << false;
// Scroll away part of the pixmap
r = QRegion(); r += QRect(64, 64, 64, 64);
QTest::newRow("dx_128_dy_128_64_64_128_128") << input << 128 << 128 << QRect(64, 64, 128, 128) << r << false;
}
void tst_QPixmap::scroll()
{
QFETCH(QImage, input);
QFETCH(int, dx);
QFETCH(int, dy);
QFETCH(QRect, rect);
QFETCH(QRegion, exposed);
QFETCH(bool, newPix);
QPixmap pixmap = QPixmap::fromImage(input);
QRegion exp;
qint64 oldKey = pixmap.cacheKey();
pixmap.scroll(dx, dy, rect, &exp);
if (!newPix)
QCOMPARE(pixmap.cacheKey(), oldKey);
else
QVERIFY(pixmap.cacheKey() != oldKey);
const QString fileName = QLatin1String(":/images/") + QLatin1String(QTest::currentDataTag())
+ QLatin1String(".png");
QPixmap output(fileName);
QCOMPARE(input.isNull(), output.isNull());
QVERIFY(lenientCompare(pixmap, output));
QCOMPARE(exp, exposed);
}
void tst_QPixmap::fill_data()
{
QTest::addColumn<uint>("pixel");
QTest::addColumn<bool>("syscolor");
QTest::addColumn<bool>("bitmap");
for (int color = Qt::black; color < Qt::darkYellow; ++color)
QTest::newRow(("syscolor_" + QByteArray::number(color)).constData())
<< uint(color) << true << false;
QPixmap pixmap(1, 1);
QTest::newRow("alpha_7f_red") << 0x7fff0000u << false << false;
QTest::newRow("alpha_3f_blue") << 0x3f0000ffu << false << false;
QTest::newRow("alpha_b7_green") << 0xbf00ff00u << false << false;
QTest::newRow("alpha_7f_white") << 0x7fffffffu << false << false;
QTest::newRow("alpha_3f_white") << 0x3fffffffu << false << false;
QTest::newRow("alpha_b7_white") << 0xb7ffffffu << false << false;
QTest::newRow("alpha_7f_black") << 0x7f000000u << false << false;
QTest::newRow("alpha_3f_black") << 0x3f000000u << false << false;
QTest::newRow("alpha_b7_black") << 0xbf000000u << false << false;
QTest::newRow("bitmap_color0") << uint(Qt::color0) << true << true;
QTest::newRow("bitmap_color1") << uint(Qt::color1) << true << true;
}
void tst_QPixmap::fill()
{
QFETCH(uint, pixel);
QFETCH(bool, syscolor);
QFETCH(bool, bitmap);
QColor color;
if (syscolor)
color = QColor(Qt::GlobalColor(pixel));
else
color = QColor(qRed(pixel), qGreen(pixel), qBlue(pixel), qAlpha(pixel));
QColor compareColor = color;
if (bitmap && syscolor) {
// special case color0 and color1 for bitmaps.
if (pixel == Qt::color0)
compareColor.setRgb(255, 255, 255);
else
compareColor.setRgb(0, 0, 0);
}
QPixmap pm;
if (bitmap)
pm = QBitmap(400, 400);
else
pm = QPixmap(400, 400);
pm.fill(color);
if (syscolor && !bitmap && pm.depth() < 24) {
QSKIP("Test does not work on displays without true color");
}
QImage image = pm.toImage();
if (bitmap && syscolor) {
int pixelindex = (pixel == Qt::color0) ? 0 : 1;
QCOMPARE(image.pixelIndex(0,0), pixelindex);
}
QImage::Format format = compareColor.alpha() != 255
? QImage::Format_ARGB32
: QImage::Format_RGB32;
image = image.convertToFormat(format);
QImage shouldBe(400, 400, format);
shouldBe.fill(compareColor.rgba());
QCOMPARE(image, shouldBe);
}
void tst_QPixmap::fill_transparent()
{
QPixmap pixmap(10, 10);
pixmap.fill(Qt::transparent);
QVERIFY(pixmap.hasAlphaChannel());
}
void tst_QPixmap::mask()
{
QPixmap pm(100, 100);
QBitmap bm(100, 100);
pm.fill();
bm.fill();
QVERIFY(!pm.isNull());
QVERIFY(!bm.isNull());
if (!pm.hasAlphaChannel()) {
// This would fail if the default pixmap format is
// argb32_premultiplied. The mask will be all 1's.
// Therefore this is skipped when the alpha channel is present.
QVERIFY(pm.mask().isNull());
}
QImage img = bm.toImage();
QVERIFY(img.format() == QImage::Format_MonoLSB
|| img.format() == QImage::Format_Mono);
pm.setMask(bm);
QVERIFY(!pm.mask().isNull());
bm = QBitmap();
// Invalid format here, since isNull() == true
QVERIFY(bm.toImage().isNull());
QCOMPARE(bm.toImage().format(), QImage::Format_Invalid);
pm.setMask(bm);
QVERIFY(pm.mask().isNull());
bm = QBitmap(100, 100);
bm.fill();
pm.setMask(bm);
QVERIFY(!pm.mask().isNull());
}
void tst_QPixmap::bitmapMask()
{
QImage image(3, 3, QImage::Format_Mono);
image.setColor(0, Qt::color0);
image.setColor(1, Qt::color1);
image.fill(Qt::color0);
image.setPixel(1, 1, Qt::color1);
image.setPixel(0, 0, Qt::color1);
QImage image_mask(3, 3, QImage::Format_Mono);
image_mask.setColor(0, Qt::color0);
image_mask.setColor(1, Qt::color1);
image_mask.fill(Qt::color0);
image_mask.setPixel(1, 1, Qt::color1);
image_mask.setPixel(2, 0, Qt::color1);
QBitmap pm = QBitmap::fromImage(image);
QBitmap pm_mask = QBitmap::fromImage(image_mask);
pm.setMask(pm_mask);
image = pm.toImage();
image.setColor(0, Qt::color0);
image.setColor(1, Qt::color1);
image_mask = pm_mask.toImage();
image_mask.setColor(0, Qt::color0);
image_mask.setColor(1, Qt::color1);
QVERIFY(!image.pixel(0, 0));
QVERIFY(!image.pixel(2, 0));
QVERIFY(image.pixel(1, 1));
}
void tst_QPixmap::bitmapFromImageRvalue()
{
auto makeImage = [](){
QImage image(3, 3, QImage::Format_MonoLSB);
image.setColor(0, Qt::color0);
image.setColor(1, Qt::color1);
image.fill(Qt::color0);
image.setPixel(1, 1, Qt::color1);
image.setPixel(0, 0, Qt::color1);
return image;
};
auto image1 = makeImage();
auto image2 = makeImage();
auto bitmap1 = QBitmap::fromImage(image1);
auto bitmap2 = QBitmap::fromImage(std::move(image2));
QCOMPARE(bitmap1.toImage(), bitmap2.toImage());
QVERIFY(!image1.isNull());
QVERIFY(image2.isNull());
}
void tst_QPixmap::setGetMask_data()
{
QTest::addColumn<QPixmap>("pixmap");
QTest::addColumn<QBitmap>("mask");
QTest::addColumn<QBitmap>("expected");
QPixmap pixmap(10, 10);
QBitmap mask(10, 10);
QPainter p;
p.begin(&pixmap);
p.fillRect(0, 0, 10, 10, QColor(Qt::black));
p.end();
QTest::newRow("nullmask 0") << QPixmap() << QBitmap() << QBitmap();
QTest::newRow("nullmask 1") << pixmap << QBitmap() << QBitmap();
mask.clear();
QTest::newRow("nullmask 2") << pixmap << mask << mask;
QTest::newRow("nullmask 3") << QPixmap(QBitmap()) << QBitmap() << QBitmap();
p.begin(&mask);
p.fillRect(1, 1, 5, 5, QColor(Qt::color1));
p.end();
QTest::newRow("simple mask 0") << pixmap << mask << mask;
}
void tst_QPixmap::setGetMask()
{
QFETCH(QPixmap, pixmap);
QFETCH(QBitmap, mask);
QFETCH(QBitmap, expected);
pixmap.setMask(mask);
QBitmap result = pixmap.mask();
QImage resultImage = result.toImage();
QImage expectedImage = expected.toImage();
QCOMPARE(resultImage.convertToFormat(expectedImage.format()),
expectedImage);
}
void tst_QPixmap::testMetrics()
{
QPixmap pixmap(100, 100);
QCOMPARE(pixmap.width(), 100);
QCOMPARE(pixmap.height(), 100);
QVERIFY(pixmap.depth() >= QPixmap::defaultDepth());
QBitmap bitmap(100, 100);
QCOMPARE(bitmap.width(), 100);
QCOMPARE(bitmap.height(), 100);
QCOMPARE(bitmap.depth(), 1);
QPixmap null;
QCOMPARE(null.size().width(), null.width());
QCOMPARE(null.size().height(), null.height());
}
void tst_QPixmap::createMaskFromColor()
{
QImage image(3, 3, QImage::Format_Indexed8);
image.setColorCount(10);
image.setColor(0, 0xffffffff);
image.setColor(1, 0xff000000);
image.setColor(2, 0xffff0000);
image.setColor(3, 0xff0000ff);
image.fill(0);
image.setPixel(1, 0, 1);
image.setPixel(0, 1, 2);
image.setPixel(1, 1, 3);
QImage im_mask = image.createMaskFromColor(0xffff0000);
QCOMPARE((uint) im_mask.pixel(0, 1), QColor(Qt::color0).rgba());
QCOMPARE((uint) im_mask.pixel(0, 1), QColor(Qt::color0).rgba());
QPixmap pixmap = QPixmap::fromImage(image);
QBitmap mask = pixmap.createMaskFromColor(Qt::red);
QBitmap inv_mask = pixmap.createMaskFromColor(Qt::red, Qt::MaskOutColor);
QCOMPARE((uint) mask.toImage().pixel(0, 1), QColor(Qt::color0).rgba());
QCOMPARE((uint) inv_mask.toImage().pixel(0, 1), QColor(Qt::color1).rgba());
}
void tst_QPixmap::cacheKey()
{
QPixmap pixmap1(1, 1);
QPixmap pixmap2(1, 1);
qint64 pixmap1_key = pixmap1.cacheKey();
QVERIFY(pixmap1.cacheKey() != pixmap2.cacheKey());
pixmap2 = pixmap1;
QCOMPARE(pixmap2.cacheKey(), pixmap1.cacheKey());
pixmap2.detach();
QVERIFY(pixmap2.cacheKey() != pixmap1.cacheKey());
QCOMPARE(pixmap1.cacheKey(), pixmap1_key);
}
// Test drawing a bitmap on a pixmap.
void tst_QPixmap::drawBitmap()
{
QBitmap bitmap(10,10);
bitmap.fill(Qt::color1);
QPixmap pixmap(10,10);
QPainter painter2(&pixmap);
painter2.fillRect(0,0,10,10, QBrush(Qt::green));
painter2.setPen(Qt::red);
painter2.drawPixmap(0,0,10,10, bitmap);
painter2.end();
QPixmap expected(10, 10);
expected.fill(Qt::red);
QVERIFY(lenientCompare(pixmap, expected));
}
void tst_QPixmap::isNull()
{
{
QPixmap pixmap(1,1);
QVERIFY(!pixmap.isNull());
}
{
QPixmap pixmap(0,0);
QVERIFY(pixmap.isNull());
}
{
QPixmap pixmap(0,1);
QVERIFY(pixmap.isNull());
}
{
QPixmap pixmap(1,0);
QVERIFY(pixmap.isNull());
}
{
QPixmap pixmap(-1,-1);
QVERIFY(pixmap.isNull());
}
{
QPixmap pixmap(-1,5);
QVERIFY(pixmap.isNull());
}
}
void tst_QPixmap::convertFromImageNoDetach()
{
QPixmap randomPixmap(10, 10);
if (randomPixmap.handle()->classId() != QPlatformPixmap::RasterClass)
QSKIP("Test only valid for raster pixmaps");
//first get the screen format
QImage::Format screenFormat = randomPixmap.toImage().format();
QVERIFY(screenFormat != QImage::Format_Invalid);
QImage orig(100,100, screenFormat);
QPixmap pix = QPixmap::fromImage(orig);
QImage copy = pix.toImage();
QCOMPARE(copy.format(), screenFormat);
const QImage constOrig = orig;
const QImage constCopy = copy;
QCOMPARE(constOrig.bits(), constCopy.bits());
}
void tst_QPixmap::convertFromImageNoDetach2()
{
QPixmap randomPixmap(10, 10);
if (randomPixmap.handle()->classId() != QPlatformPixmap::RasterClass)
QSKIP("Test only valid for raster pixmaps");
//first get the screen format
QImage::Format screenFormat = randomPixmap.toImage().format();
QVERIFY(screenFormat != QImage::Format_Invalid);
if (screenFormat != QImage::Format_RGB32 &&
screenFormat != QImage::Format_ARGB32_Premultiplied)
QSKIP("Test only valid for platforms with RGB32 pixmaps");
QImage orig(100,100, QImage::Format_ARGB32_Premultiplied);
orig.fill(Qt::white);
const uchar *origBits = orig.constBits();
QPixmap pix = QPixmap::fromImage(std::move(orig));
QImage copy = pix.toImage();
QVERIFY(!copy.hasAlphaChannel());
QCOMPARE(copy.format(), QImage::Format_RGB32);
QCOMPARE(origBits, copy.constBits());
}
void tst_QPixmap::convertFromImageDetach()
{
QImage img(10,10, QImage::Format_RGB32);
img.fill(0);
QVERIFY(!img.isNull());
QPixmap p = QPixmap::fromImage(img);
QVERIFY(p.isDetached());
QPixmap copy = p;
QVERIFY(!copy.isDetached());
QVERIFY(!p.isDetached());
img.fill(1);
p = QPixmap::fromImage(img);
QVERIFY(copy.isDetached());
}
void tst_QPixmap::convertFromImageCacheKey()
{
QPixmap randomPixmap(10, 10);
if (randomPixmap.handle()->classId() != QPlatformPixmap::RasterClass)
QSKIP("Test only valid for raster pixmaps");
//first get the screen format
QImage::Format screenFormat = randomPixmap.toImage().format();
QVERIFY(screenFormat != QImage::Format_Invalid);
QImage orig(100,100, screenFormat);
orig.fill(0);
QPixmap pix = QPixmap::fromImage(orig);
QImage copy = pix.toImage();
QCOMPARE(copy.format(), screenFormat);
QCOMPARE(orig.cacheKey(), pix.cacheKey());
QCOMPARE(copy.cacheKey(), pix.cacheKey());
}
#if defined(Q_OS_WIN)
QT_BEGIN_NAMESPACE
Q_GUI_EXPORT HBITMAP qt_createIconMask(const QBitmap &bitmap);
Q_GUI_EXPORT HBITMAP qt_pixmapToWinHBITMAP(const QPixmap &p, int hbitmapFormat = 0);
Q_GUI_EXPORT QPixmap qt_pixmapFromWinHBITMAP(HBITMAP bitmap, int hbitmapFormat = 0);
Q_GUI_EXPORT HICON qt_pixmapToWinHICON(const QPixmap &p);
Q_GUI_EXPORT QImage qt_imageFromWinHBITMAP(HDC hdc, HBITMAP bitmap, int w, int h);
Q_GUI_EXPORT QPixmap qt_pixmapFromWinHICON(HICON icon);
QT_END_NAMESPACE
void tst_QPixmap::toWinHBITMAP_data()
{
QTest::addColumn<int>("red");
QTest::addColumn<int>("green");
QTest::addColumn<int>("blue");
QTest::newRow("red") << 255 << 0 << 0;
QTest::newRow("green") << 0 << 255 << 0;
QTest::newRow("blue") << 0 << 0 << 255;
}
void tst_QPixmap::toWinHBITMAP()
{
QFETCH(int, red);
QFETCH(int, green);
QFETCH(int, blue);
QPixmap pm(100, 100);
pm.fill(QColor(red, green, blue));
HBITMAP bitmap = qt_pixmapToWinHBITMAP(pm);
QVERIFY(bitmap != 0);
// Verify size
BITMAP bitmap_info;
memset(&bitmap_info, 0, sizeof(BITMAP));
int res = GetObject(bitmap, sizeof(BITMAP), &bitmap_info);
QVERIFY(res);
QCOMPARE(100, (int) bitmap_info.bmWidth);
QCOMPARE(100, (int) bitmap_info.bmHeight);
HDC display_dc = GetDC(0);
HDC bitmap_dc = CreateCompatibleDC(display_dc);
HBITMAP null_bitmap = (HBITMAP) SelectObject(bitmap_dc, bitmap);
COLORREF pixel = GetPixel(bitmap_dc, 0, 0);
QCOMPARE((int)GetRValue(pixel), red);
QCOMPARE((int)GetGValue(pixel), green);
QCOMPARE((int)GetBValue(pixel), blue);
// Clean up
SelectObject(bitmap_dc, null_bitmap);
DeleteObject(bitmap);
DeleteDC(bitmap_dc);
ReleaseDC(0, display_dc);
}
void tst_QPixmap::fromWinHBITMAP_data()
{
toWinHBITMAP_data();
}
void tst_QPixmap::fromWinHBITMAP()
{
QFETCH(int, red);
QFETCH(int, green);
QFETCH(int, blue);
HDC display_dc = GetDC(0);
HDC bitmap_dc = CreateCompatibleDC(display_dc);
HBITMAP bitmap = CreateCompatibleBitmap(display_dc, 100, 100);
SelectObject(bitmap_dc, bitmap);
SelectObject(bitmap_dc, GetStockObject(NULL_PEN));
HGDIOBJ old_brush = SelectObject(bitmap_dc, CreateSolidBrush(RGB(red, green, blue)));
Rectangle(bitmap_dc, 0, 0, 100, 100);
QPixmap pixmap = qt_pixmapFromWinHBITMAP(bitmap);
QCOMPARE(pixmap.width(), 100);
QCOMPARE(pixmap.height(), 100);
QImage image = pixmap.toImage();
QRgb pixel = image.pixel(0, 0);
QCOMPARE(qRed(pixel), red);
QCOMPARE(qGreen(pixel), green);
QCOMPARE(qBlue(pixel), blue);
DeleteObject(SelectObject(bitmap_dc, old_brush));
DeleteObject(SelectObject(bitmap_dc, bitmap));
DeleteDC(bitmap_dc);
ReleaseDC(0, display_dc);
}
static bool compareImages(const QImage &actualImage, const QImage &expectedImage)
{
if (actualImage.width() != expectedImage.width()
|| actualImage.height() != expectedImage.height()) {
qWarning("Image size comparison failed: expected: %dx%d, got %dx%d",
expectedImage.size().width(), expectedImage.size().height(),
actualImage.size().width(), actualImage.size().height());
return false;
}
if (actualImage.format() != expectedImage.format()) {
qWarning("Image format comparison failed: expected: %d, got %d",
expectedImage.format(), actualImage.format());
return false;
}
static const int fuzz = 1;
for (int y = 0; y < actualImage.height(); ++y) {
for (int x = 0; x < expectedImage.width(); ++x) {
const QRgb p1 = actualImage.pixel(x, y);
const QRgb p2 = expectedImage.pixel(x, y);
if (qAbs(qRed(p1) - qRed(p2)) > fuzz
|| qAbs(qGreen(p1) - qGreen(p2)) > fuzz
|| qAbs(qBlue(p1) - qBlue(p2)) > fuzz
|| qAbs(qAlpha(p1) - qAlpha(p2)) > fuzz) {
qWarning("Color mismatch at pixel %d,%d: Expected: 0x%x. got 0x%x",
x, y, p2, p1);
return false;
}
}
}
return true;
}
void tst_QPixmap::toWinHICON_data()
{
QTest::addColumn<QString>("image");
QTest::addColumn<int>("width");
QTest::addColumn<int>("height");
const QString prefix = QFINDTESTDATA("convertFromToHICON");
QTest::newRow("32bpp_16x16") << prefix + QLatin1String("/icon_32bpp") << 16 << 16;
QTest::newRow("32bpp_32x32") << prefix + QLatin1String("/icon_32bpp") << 32 << 32;
QTest::newRow("32bpp_48x48") << prefix + QLatin1String("/icon_32bpp") << 48 << 48;
QTest::newRow("32bpp_256x256") << prefix + QLatin1String("/icon_32bpp") << 256 << 256;
QTest::newRow("8bpp_16x16") << prefix + QLatin1String("/icon_8bpp") << 16 << 16;
QTest::newRow("8bpp_32x32") << prefix + QLatin1String("/icon_8bpp") << 32 << 32;
QTest::newRow("8bpp_48x48") << prefix + QLatin1String("/icon_8bpp") << 48 << 48;
}
void tst_QPixmap::toWinHICON()
{
enum { Alpha = 2 };
QFETCH(int, width);
QFETCH(int, height);
QFETCH(QString, image);
QPixmap empty(width, height);
empty.fill(Qt::transparent);
HDC display_dc = GetDC(0);
HDC bitmap_dc = CreateCompatibleDC(display_dc);
HBITMAP bitmap = qt_pixmapToWinHBITMAP(empty, Alpha);
SelectObject(bitmap_dc, bitmap);
const QString fileName = image + QLatin1Char('_') + QString::number(width) + QLatin1Char('x')
+ QString::number(height) + QLatin1String(".png");
QImage imageFromFile(fileName);
imageFromFile = imageFromFile.convertToFormat(QImage::Format_ARGB32_Premultiplied);
HICON icon = qt_pixmapToWinHICON(QPixmap::fromImage(imageFromFile));
DrawIconEx(bitmap_dc, 0, 0, icon, width, height, 0, 0, DI_NORMAL);
DestroyIcon(icon);
DeleteDC(bitmap_dc);
QImage imageFromHICON = qt_pixmapFromWinHBITMAP(bitmap, Alpha).toImage();
ReleaseDC(0, display_dc);
// fuzzy comparison must be used, as the pixel values change slightly during conversion
// between QImage::Format_ARGB32 and QImage::Format_ARGB32_Premultiplied, or elsewhere
QVERIFY(compareImages(imageFromHICON, imageFromFile));
}
void tst_QPixmap::fromWinHICON_data()
{
toWinHICON_data();
}
void tst_QPixmap::fromWinHICON()
{
QFETCH(int, width);
QFETCH(int, height);
QFETCH(QString, image);
HICON icon = (HICON)LoadImage(0, (wchar_t*)(image + QLatin1String(".ico")).utf16(), IMAGE_ICON, width, height, LR_LOADFROMFILE);
QImage imageFromHICON = qt_pixmapFromWinHICON(icon).toImage();
DestroyIcon(icon);
const QString fileName = image + QLatin1Char('_') + QString::number(width) + QLatin1Char('x')
+ QString::number(height) + QLatin1String(".png");
QImage imageFromFile(fileName);
imageFromFile = imageFromFile.convertToFormat(QImage::Format_ARGB32_Premultiplied);
// fuzzy comparison must be used, as the pixel values change slightly during conversion
// between QImage::Format_ARGB32 and QImage::Format_ARGB32_Premultiplied, or elsewhere
QVERIFY(compareImages(imageFromHICON, imageFromFile));
}
#endif // Q_OS_WIN
void tst_QPixmap::onlyNullPixmapsOutsideGuiThread()
{
class Thread : public QThread
{
public:
void run() override
{
QTest::ignoreMessage(QtWarningMsg,
"QPixmap: It is not safe to use pixmaps outside the GUI thread");
QPixmap pixmap;
QVERIFY(pixmap.isNull());
QTest::ignoreMessage(QtWarningMsg,
"QPixmap: It is not safe to use pixmaps outside the GUI thread");
QPixmap pixmap1(100, 100);
QVERIFY(pixmap1.isNull());
QTest::ignoreMessage(QtWarningMsg,
"QPixmap: It is not safe to use pixmaps outside the GUI thread");
QPixmap pixmap2(pixmap1);
QVERIFY(pixmap2.isNull());
}
};
if (QGuiApplicationPrivate::platform_integration->hasCapability(QPlatformIntegration::ThreadedPixmaps))
QSKIP("This platform supports threaded pixmaps.");
Thread thread;
thread.start();
thread.wait();
}
void tst_QPixmap::refUnref()
{
// Simple ref/unref
{
QPixmap p;
}
{
QBitmap b;
}
// Get a copy of a pixmap that goes out of scope
{
QPixmap b;
{
QPixmap a(10, 10);
a.fill(Qt::color0);
b = a;
}
}
{
QBitmap mask;
{
QBitmap bitmap(10, 10);
bitmap.fill(Qt::color1);
mask = bitmap.mask();
}
mask.fill(Qt::color0);
}
}
void tst_QPixmap::copy()
{
QPixmap src(32, 32);
{
QPainter p(&src);
p.fillRect(0, 0, 32, 32, Qt::red);
p.fillRect(10, 10, 10, 10, Qt::blue);
}
QPixmap dest = src.copy(10, 10, 10, 10);
QPixmap expected(10, 10);
expected.fill(Qt::blue);
QVERIFY(lenientCompare(dest, expected));
QPixmap trans;
trans.fill(Qt::transparent);
QPixmap transCopy = trans.copy();
QCOMPARE(trans, transCopy);
}
void tst_QPixmap::move()
{
QPixmap moveFrom(32, 32);
QPixmap moveAssigned;
moveAssigned = std::move(moveFrom);
QVERIFY(!moveAssigned.isNull());
QVERIFY(moveFrom.isNull());
QPixmap moveConstructed(std::move(moveAssigned));
QVERIFY(moveAssigned.isNull());
QVERIFY(!moveConstructed.isNull());
}
// QTBUG-58653: Force a deep copy of a pixmap by
// having a QPainter and check whether DevicePixelRatio is preserved
void tst_QPixmap::deepCopyPreservesDpr()
{
const qreal dpr = 2;
QPixmap src(32, 32);
src.setDevicePixelRatio(dpr);
src.fill(Qt::red);
QPainter painter(&src);
const QPixmap dest = src.copy();
QCOMPARE(dest.devicePixelRatio(), dpr);
}
// Check that the DPR is preserved after doing a fill after an
// assigned copy of the QPixmap
void tst_QPixmap::fillPreservesDpr()
{
const qreal dpr = 2;
QPixmap src(32, 32);
src.setDevicePixelRatio(dpr);
src.fill(Qt::red);
QPixmap dest = src;
dest.fill(Qt::blue);
QCOMPARE(dest.devicePixelRatio(), dpr);
}
void tst_QPixmap::dprPassthrough()
{
const qreal dpr = 2;
QPixmap src(32, 32);
src.setDevicePixelRatio(dpr);
src.fill(Qt::transparent);
QCOMPARE(src.devicePixelRatio(), dpr);
QImage img = src.toImage();
QCOMPARE(img.devicePixelRatio(), dpr);
QPixmap pm(1, 1);
pm.convertFromImage(img);
QCOMPARE(pm.devicePixelRatio(), dpr);
QBitmap heuristicMask = src.createHeuristicMask();
QCOMPARE(heuristicMask.devicePixelRatio(), dpr);
QBitmap maskFromColor = src.createMaskFromColor(Qt::white);
QCOMPARE(maskFromColor.devicePixelRatio(), dpr);
QBitmap mask = src.mask();
QCOMPARE(mask.devicePixelRatio(), dpr);
QPixmap scaled = src.scaled(16, 16);
QCOMPARE(scaled.devicePixelRatio(), dpr);
QTransform t;
t.rotate(90);
QPixmap transformed = src.transformed(t);
QCOMPARE(transformed.devicePixelRatio(), dpr);
}
void tst_QPixmap::depthOfNullObjects()
{
QBitmap b1;
QCOMPARE(b1.depth(), 0);
QPixmap p4;
QCOMPARE(p4.depth(), 0);
}
void tst_QPixmap::transformed()
{
QPixmap p1(20, 10);
p1.fill(Qt::red);
{
QPainter p(&p1);
p.drawRect(0, 0, p1.width() - 1, p1.height() - 1);
}
QPixmap p2(10, 20);
{
QPainter p(&p2);
p.rotate(90);
p.drawPixmap(0, -p1.height(), p1);
}
QPixmap p3(20, 10);
{
QPainter p(&p3);
p.rotate(180);
p.drawPixmap(-p1.width(), -p1.height(), p1);
}
QPixmap p4(10, 20);
{
QPainter p(&p4);
p.rotate(270);
p.drawPixmap(-p1.width(), 0, p1);
}
QPixmap p1_90 = p1.transformed(QTransform().rotate(90));
QPixmap p1_180 = p1.transformed(QTransform().rotate(180));
QPixmap p1_270 = p1.transformed(QTransform().rotate(270));
QVERIFY(lenientCompare(p1_90, p2));
QVERIFY(lenientCompare(p1_180, p3));
QVERIFY(lenientCompare(p1_270, p4));
}
void tst_QPixmap::transformed2()
{
QPixmap pm(3, 3);
pm.fill(Qt::red);
QPainter p(&pm);
p.fillRect(0, 0, 3, 3, QBrush(Qt::Dense4Pattern));
p.end();
QTransform transform;
transform.rotate(-90);
transform.scale(3, 3);
QPixmap actual = pm.transformed(transform);
QPixmap expected(9, 9);
expected.fill(Qt::red);
p.begin(&expected);
p.setBrush(Qt::black);
p.setPen(Qt::NoPen);
p.drawRect(3, 0, 3, 3);
p.drawRect(0, 3, 3, 3);
p.drawRect(6, 3, 3, 3);
p.drawRect(3, 6, 3, 3);
p.end();
QVERIFY(lenientCompare(actual, expected));
}
void tst_QPixmap::load()
{
const QString filePath = m_prefix + QLatin1String("designer.png");
QPixmap dest(filePath);
QVERIFY(!dest.isNull());
QVERIFY(!dest.load("image_that_does_not_exist.png"));
QVERIFY(dest.isNull());
QVERIFY(dest.load(filePath));
QVERIFY(!dest.isNull());
}
void tst_QPixmap::loadFromData()
{
const QString filePath = m_prefix + QLatin1String("designer.png");
QPixmap original(filePath);
QVERIFY(!original.isNull());
QByteArray ba;
{
QBuffer buf(&ba);
QVERIFY(buf.open(QIODevice::WriteOnly));
QVERIFY(original.save(&buf, "BMP"));
}
QVERIFY(!ba.isEmpty());
QPixmap dest;
QVERIFY(dest.loadFromData(ba, "BMP"));
QVERIFY(!dest.isNull());
QCOMPARE(original, dest);
QVERIFY(!dest.loadFromData(QByteArray()));
QVERIFY(dest.isNull());
}
#if !defined(QT_NO_DATASTREAM)
void tst_QPixmap::loadFromDataStream()
{
const QString filePath = m_prefix + QLatin1String("designer.png");
QPixmap original(filePath);
QVERIFY(!original.isNull());
QByteArray ba;
{
QDataStream s(&ba, QIODevice::WriteOnly);
s << original;
}
QVERIFY(!ba.isEmpty());
QPixmap dest;
{
QDataStream s(&ba, QIODevice::ReadOnly);
s >> dest;
}
QVERIFY(!dest.isNull());
QCOMPARE(original, dest);
{
ba.clear();
QDataStream s(&ba, QIODevice::ReadOnly);
s >> dest;
}
QVERIFY(dest.isNull());
}
#endif // QT_NO_DATASTREAM
void tst_QPixmap::fromImage_crash()
{
QImage *img = new QImage(64, 64, QImage::Format_ARGB32_Premultiplied);
QPixmap pm = QPixmap::fromImage(*img);
QPainter painter(&pm);
delete img;
}
#ifndef QT_NO_WIDGETS
//This is testing QPlatformPixmap::createCompatiblePlatformPixmap - see QTBUG-5977
void tst_QPixmap::splash_crash()
{
QPixmap pix;
pix = QPixmap(":/images/designer.png");
QSplashScreen splash(pix);
splash.show();
QCoreApplication::processEvents();
splash.close();
}
#endif
void tst_QPixmap::fromData()
{
unsigned char bits[] = { 0xaa, 0x55 };
QBitmap bm = QBitmap::fromData(QSize(8, 2), bits);
QImage img = bm.toImage();
QSet<QRgb> colors;
for (int y = 0; y < img.height(); ++y)
for (int x = 0; x < img.width(); ++x)
colors << img.pixel(x, y);
QCOMPARE(colors.size(), 2);
QCOMPARE(img.pixel(0, 0), QRgb(0xffffffff));
QCOMPARE(img.pixel(0, 1), QRgb(0xff000000));
}
void tst_QPixmap::loadFromDataNullValues()
{
{
QPixmap pixmap;
pixmap.loadFromData(QByteArray());
QVERIFY(pixmap.isNull());
}
{
QPixmap pixmap;
pixmap.loadFromData(0, 123);
QVERIFY(pixmap.isNull());
}
{
QPixmap pixmap;
const uchar bla[] = "bla";
pixmap.loadFromData(bla, 0);
QVERIFY(pixmap.isNull());
}
}
void tst_QPixmap::loadFromDataImage_data()
{
QTest::addColumn<QString>("imagePath");
QTest::newRow("designer_argb32.png") << m_loadFromData + "/designer_argb32.png";
// When no extension is provided we try all extensions that has been registered by image providers
QTest::newRow("designer_argb32") << m_loadFromData + "/designer_argb32.png";
QTest::newRow("designer_indexed8_no_alpha.png") << m_loadFromData + "/designer_indexed8_no_alpha.png";
QTest::newRow("designer_indexed8_with_alpha.png") << m_loadFromData + "/designer_indexed8_with_alpha.png";
QTest::newRow("designer_rgb32.png") << m_loadFromData + "/designer_rgb32.png";
QTest::newRow("designer_indexed8_no_alpha.gif") << m_loadFromData + "/designer_indexed8_no_alpha.gif";
QTest::newRow("designer_indexed8_with_alpha.gif") << m_loadFromData + "/designer_indexed8_with_alpha.gif";
QTest::newRow("designer_rgb32.jpg") << m_loadFromData + "/designer_rgb32.jpg";
}
void tst_QPixmap::loadFromDataImage()
{
QFETCH(QString, imagePath);
QImage imageRef(imagePath);
QPixmap pixmapWithCopy = QPixmap::fromImage(imageRef);
QFile file(imagePath);
file.open(QIODevice::ReadOnly);
QByteArray rawData = file.readAll();
QPixmap directLoadingPixmap;
directLoadingPixmap.loadFromData(rawData);
QCOMPARE(pixmapWithCopy, directLoadingPixmap);
}
void tst_QPixmap::fromImageReader_data()
{
QTest::addColumn<QString>("imagePath");
QTest::newRow("designer_argb32.png") << m_loadFromData + "/designer_argb32.png";
QTest::newRow("designer_indexed8_no_alpha.png") << m_loadFromData + "/designer_indexed8_no_alpha.png";
QTest::newRow("designer_indexed8_with_alpha.png") << m_loadFromData + "/designer_indexed8_with_alpha.png";
QTest::newRow("designer_rgb32.png") << m_loadFromData + "/designer_rgb32.png";
QTest::newRow("designer_indexed8_no_alpha.gif") << m_loadFromData + "/designer_indexed8_no_alpha.gif";
QTest::newRow("designer_indexed8_with_alpha.gif") << m_loadFromData + "/designer_indexed8_with_alpha.gif";
QTest::newRow("designer_rgb32.jpg") << m_loadFromData + "/designer_rgb32.jpg";
QTest::newRow("designer_indexed8_with_alpha_animated") << m_loadFromData + "/designer_indexed8_with_alpha_animated.gif";
QTest::newRow("designer_indexed8_no_alpha_animated") << m_loadFromData + "/designer_indexed8_no_alpha_animated.gif";
}
void tst_QPixmap::fromImageReader()
{
QFETCH(QString, imagePath);
QImage imageRef(imagePath);
QPixmap pixmapWithCopy = QPixmap::fromImage(imageRef);
QImageReader imageReader(imagePath);
QPixmap directLoadingPixmap = QPixmap::fromImageReader(&imageReader);
QCOMPARE(pixmapWithCopy, directLoadingPixmap);
}
void tst_QPixmap::fromImageReaderAnimatedGif_data()
{
QTest::addColumn<QString>("imagePath");
QTest::newRow("gif with alpha") << QString::fromLatin1("/designer_indexed8_with_alpha_animated.gif");
QTest::newRow("gif without alpha") << QString::fromLatin1("/designer_indexed8_no_alpha_animated.gif");
}
void tst_QPixmap::fromImageReaderAnimatedGif()
{
QFETCH(QString, imagePath);
const QString path = m_loadFromData + imagePath;
QImageReader referenceReader(path);
QImageReader pixmapReader(path);
QVERIFY(referenceReader.canRead());
QVERIFY(referenceReader.imageCount() > 1);
for (int i = 0; i < referenceReader.imageCount(); ++i) {
QImage refImage = referenceReader.read();
QPixmap refPixmap = QPixmap::fromImage(refImage);
QPixmap directLoadingPixmap = QPixmap::fromImageReader(&pixmapReader);
QCOMPARE(refPixmap, directLoadingPixmap);
}
}
void tst_QPixmap::task_246446()
{
// This crashed without the bugfix in 246446
QPixmap pm(10, 10);
pm.fill(Qt::transparent); // force 32-bit depth
QBitmap bm;
pm.setMask(bm);
{
QPixmap pm2(pm);
}
QCOMPARE(pm.width(), 10);
QVERIFY(pm.mask().isNull());
}
void tst_QPixmap::task_51271()
{
QPixmap pm;
QBitmap bm;
QVERIFY(!pm.isQBitmap()); // Should not crash !
QVERIFY(bm.isQBitmap());
}
void tst_QPixmap::preserveDepth()
{
QPixmap target(64, 64);
target.fill(Qt::transparent);
QPixmap source(64, 64);
source.fill(Qt::white);
int depth = source.depth();
QPainter painter(&target);
painter.setBrush(source);
painter.drawRect(target.rect());
painter.end();
QCOMPARE(depth, source.depth());
}
void tst_QPixmap::loadAsBitmapOrPixmap()
{
QImage tmp(10, 10, QImage::Format_RGB32);
tmp.save(m_tempDir.path() + "/temp_image.png");
bool ok;
// Check that we can load the pixmap as a pixmap and that it then turns into a pixmap
QPixmap pixmap(m_tempDir.path() + "/temp_image.png");
QVERIFY(!pixmap.isNull());
QVERIFY(pixmap.depth() > 1);
QVERIFY(!pixmap.isQBitmap());
pixmap = QPixmap();
ok = pixmap.load(m_tempDir.path() + "/temp_image.png");
QVERIFY(ok);
QVERIFY(!pixmap.isNull());
QVERIFY(pixmap.depth() > 1);
QVERIFY(!pixmap.isQBitmap());
//now we can try to load it without an extension
pixmap = QPixmap();
ok = pixmap.load(m_tempDir.path() + "/temp_image");
QVERIFY(ok);
QVERIFY(!pixmap.isNull());
QVERIFY(pixmap.depth() > 1);
QVERIFY(!pixmap.isQBitmap());
// The do the same check for bitmaps..
QBitmap bitmap(m_tempDir.path() + "/temp_image.png");
QVERIFY(!bitmap.isNull());
QCOMPARE(bitmap.depth(), 1);
QVERIFY(bitmap.isQBitmap());
bitmap = QBitmap();
ok = bitmap.load(m_tempDir.path() + "/temp_image.png");
QVERIFY(ok);
QVERIFY(!bitmap.isNull());
QCOMPARE(bitmap.depth(), 1);
QVERIFY(bitmap.isQBitmap());
// check that a QBitmap stays a QBitmap even when loading fails:
ok = bitmap.load(QString());
QVERIFY(!ok);
QVERIFY(bitmap.isNull());
QVERIFY(bitmap.isQBitmap());
ok = bitmap.load("does not exist");
QVERIFY(!ok);
QVERIFY(bitmap.isNull());
QVERIFY(bitmap.isQBitmap());
ok = bitmap.load("does not exist.png");
QVERIFY(!ok);
QVERIFY(bitmap.isNull());
QVERIFY(bitmap.isQBitmap());
QTemporaryFile garbage;
QVERIFY(garbage.open());
const QString garbagePath = garbage.fileName();
garbage.write(reinterpret_cast<const char *>(&garbage), sizeof garbage);
garbage.close();
ok = bitmap.load(garbagePath);
QVERIFY(!ok);
QVERIFY(bitmap.isNull());
QVERIFY(bitmap.isQBitmap());
}
void tst_QPixmap::toImageDeepCopy()
{
QPixmap pixmap(64, 64);
pixmap.fill(Qt::white);
QPainter painter(&pixmap);
QImage first = pixmap.toImage();
painter.setBrush(Qt::black);
painter.drawEllipse(pixmap.rect());
QImage second = pixmap.toImage();
QVERIFY(first != second);
}
void tst_QPixmap::scaled_QTBUG19157()
{
QPixmap foo(5000, 1);
foo = foo.scaled(1024, 1024, Qt::KeepAspectRatio);
QVERIFY(!foo.isNull());
}
void tst_QPixmap::detachOnLoad_QTBUG29639()
{
QPixmap a;
a.load(m_convertFromImage + "/task31722_0/img1.png");
a.load(m_convertFromImage + "/task31722_0/img2.png");
QPixmap b;
b.load(m_convertFromImage + "/task31722_0/img1.png");
QVERIFY(a.toImage() != b.toImage());
}
void tst_QPixmap::copyOnNonAlignedBoundary()
{
QImage img(8, 2, QImage::Format_RGB16);
QPixmap pm1 = QPixmap::fromImage(img, Qt::NoFormatConversion);
QPixmap pm2 = pm1.copy(QRect(5, 0, 3, 2)); // When copying second line: 2 bytes too many are read which might cause an access violation.
}
// test pixmap devicePixelRatio setting and detaching
void tst_QPixmap::devicePixelRatio()
{
// create pixmap
QPixmap a(64, 64);
a.fill(Qt::white);
QCOMPARE(a.devicePixelRatio(), qreal(1.0));
QCOMPARE(a.isDetached(), true);
// copy pixmap
QPixmap b = a;
QCOMPARE(b.devicePixelRatio(), qreal(1.0));
QCOMPARE(a.isDetached(), false);
QCOMPARE(b.isDetached(), false);
// set devicePixelRatio to the current value: does not detach
a.setDevicePixelRatio(qreal(1.0));
QCOMPARE(a.isDetached(), false);
QCOMPARE(b.isDetached(), false);
// set devicePixelRatio to a new value: may detach (currently
// does, but we may want to avoid the data copy the future)
a.setDevicePixelRatio(qreal(2.0));
QCOMPARE(a.devicePixelRatio(), qreal(2.0));
QCOMPARE(b.devicePixelRatio(), qreal(1.0));
}
void tst_QPixmap::deviceIndependentSize() {
QPixmap a(64, 64);
a.fill(Qt::white);
a.setDevicePixelRatio(1.0);
QCOMPARE(a.deviceIndependentSize(), QSizeF(64, 64));
a.setDevicePixelRatio(2.0);
QCOMPARE(a.deviceIndependentSize(), QSizeF(32, 32));
}
QTEST_MAIN(tst_QPixmap)
#include "tst_qpixmap.moc"
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