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#include <QtTest/QtTest>

#include <QtGui/QApplication>

#include <QtGui/QPainter>

#include <QtGui/QImage>

#include <qstatictext.h>

#include <qpaintengine.h>

#include <private/qstatictext_p.h>

#include <private/qapplication_p.h>

// #define DEBUG_SAVE_IMAGE

class tst_QStaticText: public QObject

{

    Q_OBJECT

private:

    bool supportsTransformations() const;

private slots:

    void init();

    void cleanup();

    void constructionAndDestruction();

    void drawToPoint_data();

    void drawToPoint();

    void drawToRect_data();

    void drawToRect();

    void setFont();

    void setTextWidth();

    void prepareToCorrectData();

    void prepareToWrongData();

    void translatedPainter();

    void rotatedPainter();

    void scaledPainter();

    void projectedPainter();

    void rotatedScaledAndTranslatedPainter();

    void transformationChanged();    

    void plainTextVsRichText();

    void setPenPlainText();

    void setPenRichText();

    void richTextOverridesPen();

};

void tst_QStaticText::init()

{

}

void tst_QStaticText::cleanup()

{

}

void tst_QStaticText::constructionAndDestruction()

{

    QStaticText text("My text");

}

Q_DECLARE_METATYPE(QStaticText::PerformanceHint)

void tst_QStaticText::drawToPoint_data()

{

    QTest::addColumn<QStaticText::PerformanceHint>("performanceHint");

    QTest::newRow("Moderate caching") << QStaticText::ModerateCaching;

    QTest::newRow("Aggressive caching") << QStaticText::AggressiveCaching;

}

void tst_QStaticText::drawToPoint()

{

    QFETCH(QStaticText::PerformanceHint, performanceHint);

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.drawText(11, 12, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextFormat(Qt::PlainText);

        text.setPerformanceHint(performanceHint);

        p.drawStaticText(QPointF(11, 12 - QFontMetricsF(p.font()).ascent()), text);

    }

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::drawToRect_data()

{

    QTest::addColumn<QStaticText::PerformanceHint>("performanceHint");

    QTest::newRow("Moderate caching") << QStaticText::ModerateCaching;

    QTest::newRow("Aggressive caching") << QStaticText::AggressiveCaching;

}

void tst_QStaticText::drawToRect()

{

    QFETCH(QStaticText::PerformanceHint, performanceHint);

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.drawText(QRectF(11, 12, 10, 500), "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextWidth(10),

        p.setClipRect(QRectF(11, 12, 10, 500));

        text.setPerformanceHint(performanceHint);

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(QPointF(11, 12), text);

    }

#if defined(DEBUG_SAVE_IMAGE)

    imageDrawText.save("drawToRect_imageDrawText.png");

    imageDrawStaticText.save("drawToRect_imageDrawStaticText.png");

#endif

    QCOMPARE(imageDrawStaticText, imageDrawText);   

}

void tst_QStaticText::prepareToCorrectData()

{

    QTransform transform;

    transform.scale(2.0, 2.0);

    transform.rotate(90, Qt::ZAxis);

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.setTransform(transform);

        p.drawText(11, 12, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        p.setTransform(transform);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.prepare(transform, p.font());

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(QPointF(11, 12  - QFontMetricsF(p.font()).ascent()), text);

    }

    if (!supportsTransformations())

      QEXPECT_FAIL("", "Graphics system does not support transformed text on this platform", Abort);

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::prepareToWrongData()

{

    QTransform transform;

    transform.scale(2.0, 2.0);

    transform.rotate(90, Qt::ZAxis);

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.drawText(11, 12, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.prepare(transform, p.font());

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(QPointF(11, 12  - QFontMetricsF(p.font()).ascent()), text);

    }

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::setFont()

{

    QFont font = QApplication::font();

    font.setBold(true);

    font.setPointSize(28);

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.drawText(QRectF(0, 0, 1000, 1000), 0, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        p.setFont(font);

        p.drawText(QRectF(11, 120, 1000, 1000), 0, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        QStaticText text;

        text.setText("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(0, 0, text);

        p.setFont(font);

        p.drawStaticText(11, 120, text);

    }

#if defined(DEBUG_SAVE_IMAGE)

    imageDrawText.save("setFont_imageDrawText.png");

    imageDrawStaticText.save("setFont_imageDrawStaticText.png");

#endif

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::setTextWidth()

{

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.drawText(QRectF(11, 12, 10, 500), "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextWidth(10);

        p.setClipRect(QRectF(11, 12, 10, 500));

        p.drawStaticText(QPointF(11, 12), text);

    }

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::translatedPainter()

{

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.translate(100, 200);

        p.drawText(11, 12, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        p.translate(100, 200);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(QPointF(11, 12 - QFontMetricsF(p.font()).ascent()), text);

    }

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

bool tst_QStaticText::supportsTransformations() const

{

    QPixmap pm(10, 10);

    QPainter p(&pm);

    QPaintEngine *engine = p.paintEngine();

    QPaintEngine::Type type = engine->type();

    if (type == QPaintEngine::OpenGL

#if !defined Q_WS_WIN

        || type == QPaintEngine::Raster

#endif

        )

        return false;

    return true;

}

void tst_QStaticText::rotatedPainter()

{

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.rotate(30.0);

        p.drawText(QRectF(0, 0, 1000, 100), 0, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextFormat(Qt::PlainText);

        QPainter p(&imageDrawStaticText);

        p.rotate(30.0);

        p.drawStaticText(QPoint(0, 0), text);

    }

#if defined(DEBUG_SAVE_IMAGE)

    imageDrawText.save("rotatedPainter_imageDrawText.png");

    imageDrawStaticText.save("rotatedPainter_imageDrawStaticText.png");

#endif

    if (!supportsTransformations())

      QEXPECT_FAIL("", "Graphics system does not support transformed text on this platform", Abort);

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::scaledPainter()

{

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.scale(2.0, 0.2);

        p.drawText(11, 12, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        p.scale(2.0, 0.2);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(QPointF(11, 12 - QFontMetricsF(p.font()).ascent()), text);

    }

    if (!supportsTransformations())

      QEXPECT_FAIL("", "Graphics system does not support transformed text on this platform", Abort);

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::projectedPainter()

{

    QTransform transform;

    transform.rotate(90, Qt::XAxis);

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.setTransform(transform);

        p.drawText(11, 12, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        p.setTransform(transform);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(QPointF(11, 12 - QFontMetricsF(p.font()).ascent()), text);

    }

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::rotatedScaledAndTranslatedPainter()

{

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.rotate(45.0);

        p.scale(2.0, 2.0);

        p.translate(100, 200);

        p.drawText(11, 12, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        p.rotate(45.0);

        p.scale(2.0, 2.0);

        p.translate(100, 200);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(QPointF(11, 12 - QFontMetricsF(p.font()).ascent()), text);

    }

#if defined(DEBUG_SAVE_IMAGE)

    imageDrawText.save("rotatedScaledAndPainter_imageDrawText.png");

    imageDrawStaticText.save("rotatedScaledAndPainter_imageDrawStaticText.png");

#endif

    if (!supportsTransformations())

      QEXPECT_FAIL("", "Graphics system does not support transformed text on this platform", Abort);

    QCOMPARE(imageDrawStaticText, imageDrawText);

}

void tst_QStaticText::transformationChanged()

{

    QPixmap imageDrawText(1000, 1000);

    imageDrawText.fill(Qt::white);

    {

        QPainter p(&imageDrawText);

        p.rotate(33.0);

        p.scale(0.5, 0.7);

        p.drawText(QRectF(0, 0, 1000, 1000), 0, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        p.scale(2.0, 2.5);

        p.drawText(QRectF(0, 0, 1000, 1000), 0, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

    }

    QPixmap imageDrawStaticText(1000, 1000);

    imageDrawStaticText.fill(Qt::white);

    {

        QPainter p(&imageDrawStaticText);

        p.rotate(33.0);

        p.scale(0.5, 0.7);

        QStaticText text("Lorem ipsum dolor sit amet, consectetur adipiscing elit.");

        text.setTextFormat(Qt::PlainText);

        p.drawStaticText(QPointF(0, 0), text);

        p.scale(2.0, 2.5);

        p.drawStaticText(QPointF(0, 0), text);

    }

#if defined(DEBUG_SAVE_IMAGE)

    imageDrawText.save("transformationChanged_imageDrawText.png");