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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <qtest.h>
#include <QPainter>
#include <QImage>
Q_DECLARE_METATYPE(QImage::Format)
#define SIZE 400
class tst_DrawTexture : public QObject
{
Q_OBJECT
void paint(bool smooth);
private slots:
void simpleUpscale_data();
void simpleUpscale();
void simpleUpscaleSmooth_data();
void simpleUpscaleSmooth();
void downscale_data();
void downscale();
void downscaleSmooth_data();
void downscaleSmooth();
void upscale_data();
void upscale();
void upscaleSmooth_data();
void upscaleSmooth();
void rotate_data();
void rotate();
void rotateSmooth_data();
void rotateSmooth();
void perspective_data();
void perspective();
void perspectiveSmooth_data();
void perspectiveSmooth();
};
void tst_DrawTexture::simpleUpscale_data()
{
QTest::addColumn<QImage::Format>("sourceFormat");
QTest::addColumn<QImage::Format>("targetFormat");
QTest::addColumn<QTransform>("transform");
QTransform matrix;
matrix.scale(1.5, 1.5);
QTest::newRow("rgb32 1.5x,1.5x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm 1.5x,1.5x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 1.5x,1.5x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm 1.5x,1.5x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 1.5x,1.5x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("rgb16 1.5x,1.5x on argb32pm") << QImage::Format_RGB16
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32pm 1.5x,1.5x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
matrix.scale(5, 5);
QTest::newRow("rgb32 5x,5x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm 5x,5x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 5x,5x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm 5x,5x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 5x,5x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("rgb16 5x,5x on rgb32") << QImage::Format_RGB16
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm 5x,5x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
matrix.translate(0, SIZE);
matrix.scale(16, -1);
QTest::newRow("rgb32 16x,-1x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm 16x,-1x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 16x,-1x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm 16x,-1x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 16x,-1x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm 16x,-1x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
}
void tst_DrawTexture::downscale_data()
{
QTest::addColumn<QImage::Format>("sourceFormat");
QTest::addColumn<QImage::Format>("targetFormat");
QTest::addColumn<QTransform>("transform");
QTransform matrix;
matrix.translate(SIZE, 0);
matrix.scale(-1.5, 1.5);
QTest::newRow("rgb32 -1.5x,1.5x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm -1.5x,1.5x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 -1.5x,1.5x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm -1.5x,1.5x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 -1.5x,1.5x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm -1.5x,1.5x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
matrix.scale(.5, .5);
QTest::newRow("rgb32 .5x,.5x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm .5x,.5x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 .5x,.5x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm .5x,.5x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 .5x,.5x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm .5x,.5x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
matrix.scale(.2, 2);
QTest::newRow("rgb32 .2x,2x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm .2x,2x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 .2x,2x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm .2x,2x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 .2x,2x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm .2x,2x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
}
void tst_DrawTexture::upscale_data()
{
QTest::addColumn<QImage::Format>("sourceFormat");
QTest::addColumn<QImage::Format>("targetFormat");
QTest::addColumn<QTransform>("transform");
QTransform matrix;
matrix.translate(SIZE, 0);
matrix.scale(-8, 8);
QTest::newRow("rgb32 -8x,8x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm -8x,8x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 -8x,8x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm -8x,8x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 -8x,8x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm -8x,8x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
matrix.translate(SIZE, SIZE);
matrix.scale(-10, -10);
QTest::newRow("rgb32 -10x,-10x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm -10x,-10x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 -10x,-10x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm -10x,-10x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 -10x,-10x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm -10x,-10x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
matrix.translate(SIZE, 0);
matrix.scale(-1, 16);
QTest::newRow("rgb32 -1x,16x on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm -1x,16x on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 -1x,16x on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm -1x,16x on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 -1x,16x on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm -1x,16x on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
}
void tst_DrawTexture::rotate_data()
{
QTest::addColumn<QImage::Format>("sourceFormat");
QTest::addColumn<QImage::Format>("targetFormat");
QTest::addColumn<QTransform>("transform");
QTransform matrix;
matrix.translate(SIZE/2, SIZE/2);
matrix.rotate(-90);
matrix.translate(-SIZE/2, -SIZE/2);
QTest::newRow("rgb32 -90deg on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm -90deg on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 -90deg on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm -90deg on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 -90deg rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm -90deg on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
matrix.translate(SIZE/2, SIZE/2);
matrix.rotate(45);
matrix.translate(-SIZE/2, -SIZE/2);
QTest::newRow("rgb32 45deg on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm 45deg on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 45deg on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm 45deg on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 45deg on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm 45deg on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
matrix.translate(SIZE/2, SIZE/2);
matrix.rotate(135);
matrix.scale(2, 2);
matrix.translate(-SIZE/4, -SIZE/4);
QTest::newRow("rgb32 rotate+scale on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm rotate+scale on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 rotate+scale on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm rotate+scale on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 rotate+scale on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm rotate+scale on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
}
void tst_DrawTexture::perspective_data()
{
QTest::addColumn<QImage::Format>("sourceFormat");
QTest::addColumn<QImage::Format>("targetFormat");
QTest::addColumn<QTransform>("transform");
QTransform matrix;
QPolygonF quad1, quad2;
quad1 << QPointF(0.0, 0.0) << QPointF(SIZE,0.0) << QPointF(SIZE,SIZE) << QPointF(0.0,SIZE);
quad2 << QPointF(SIZE/6, SIZE/6) << QPointF(SIZE*4/5,SIZE/5) << QPointF(SIZE*4/5,SIZE*5/6) << QPointF(SIZE/5,SIZE*3/5);
QTransform::quadToQuad(quad1, quad2, matrix);
QTest::newRow("rgb32 perspective1 on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm perspective1 on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 perspective1 on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm perspective1 on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 perspective1 on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm perspective1 on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
matrix.reset();
quad1.clear(); quad2.clear();
quad1 << QPointF(0.0, 0.0) << QPointF(SIZE,0.0) << QPointF(SIZE,SIZE) << QPointF(0.0,SIZE);
quad2 << QPointF(0.0, 0.0) << QPointF(SIZE*4/5,SIZE/4) << QPointF(SIZE*4/5,SIZE*3/4) << QPointF(0.0,SIZE);
QTransform::quadToQuad(quad1, quad2, matrix);
QTest::newRow("rgb32 perspective2 on rgb32") << QImage::Format_RGB32
<< QImage::Format_RGB32
<< matrix;
QTest::newRow("argb32pm perspective2 on argb32pm") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("argb32 perspective2 on argb32pm") << QImage::Format_ARGB32
<< QImage::Format_ARGB32_Premultiplied
<< matrix;
QTest::newRow("rgba8888pm perspective2 on rgba8888pm") << QImage::Format_RGBA8888_Premultiplied
<< QImage::Format_RGBA8888_Premultiplied
<< matrix;
QTest::newRow("rgb16 perspective2 on rgb16") << QImage::Format_RGB16
<< QImage::Format_RGB16
<< matrix;
QTest::newRow("argb32pm perspective2 on rgb30") << QImage::Format_ARGB32_Premultiplied
<< QImage::Format_RGB30
<< matrix;
}
void tst_DrawTexture::simpleUpscaleSmooth_data()
{
simpleUpscale_data();
}
void tst_DrawTexture::downscaleSmooth_data()
{
downscale_data();
}
void tst_DrawTexture::upscaleSmooth_data()
{
upscale_data();
}
void tst_DrawTexture::rotateSmooth_data()
{
rotate_data();
}
void tst_DrawTexture::perspectiveSmooth_data()
{
perspective_data();
}
static QImage createImage(const QSize &size, QImage::Format format, bool smooth)
{
QImage base(size, format);
base.fill(Qt::transparent);
QLinearGradient grad(0.0, 0.0, 1.0, 0.0);
grad.setCoordinateMode(QGradient::ObjectBoundingMode);
grad.setColorAt(0.0, Qt::red);
grad.setColorAt(0.4, Qt::white);
grad.setColorAt(0.6, Qt::white);
grad.setColorAt(1.0, Qt::blue);
QBrush brush(grad);
QPainter p(&base);
p.setRenderHint(QPainter::Antialiasing, smooth);
p.setBrush(brush);
p.setPen(Qt::NoPen);
p.drawEllipse(0, 0, size.width(), size.height());
p.end();
return base;
}
void tst_DrawTexture::paint(bool smooth)
{
QFETCH(QImage::Format, sourceFormat);
QFETCH(QImage::Format, targetFormat);
QFETCH(QTransform, transform);
QSize size(SIZE, SIZE);
QRect rect(QPoint(0,0), size);
if (transform.isAffine())
rect = transform.inverted().mapRect(rect);
QImage sourceImage = createImage(rect.size(), sourceFormat, smooth);
QImage targetImage(size, targetFormat);
targetImage.fill(Qt::gray);
QPainter p(&targetImage);
p.setRenderHints(QPainter::SmoothPixmapTransform, smooth);
p.setRenderHints(QPainter::Antialiasing, smooth);
p.setWorldTransform(transform, false);
QBENCHMARK {
p.drawImage(0, 0, sourceImage);
}
// targetImage.save(QString::fromLatin1(QTest::currentTestFunction()) + QChar('_') + QString::fromLatin1(QTest::currentDataTag()) + QStringLiteral(".png"));
}
void tst_DrawTexture::simpleUpscale()
{
paint(false);
}
void tst_DrawTexture::upscale()
{
paint(false);
}
void tst_DrawTexture::downscale()
{
paint(false);
}
void tst_DrawTexture::rotate()
{
paint(false);
}
void tst_DrawTexture::perspective()
{
paint(false);
}
void tst_DrawTexture::simpleUpscaleSmooth()
{
paint(true);
}
void tst_DrawTexture::upscaleSmooth()
{
paint(true);
}
void tst_DrawTexture::downscaleSmooth()
{
paint(true);
}
void tst_DrawTexture::rotateSmooth()
{
paint(true);
}
void tst_DrawTexture::perspectiveSmooth()
{
paint(true);
}
QTEST_MAIN(tst_DrawTexture)
#include "tst_drawtexture.moc"
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