From d94b6f057d7f4506a8b5d95a06ef36f0800e7848 Mon Sep 17 00:00:00 2001
From: llornkcor <llornkcor>
Date: Tue, 08 Jul 2003 23:43:32 +0000
Subject: graphics performance test

---
(limited to 'development/performance/performancetest.cpp')

diff --git a/development/performance/performancetest.cpp b/development/performance/performancetest.cpp
new file mode 100644
index 0000000..1bc8ee0
--- a/dev/null
+++ b/development/performance/performancetest.cpp
@@ -0,0 +1,176 @@
+
+#include "performancetest.h"
+#include <qpe/qpeapplication.h>
+#include <qpushbutton.h>
+#include <qframe.h>
+#include <qlayout.h>
+#include <qpainter.h>
+#include <qdatetime.h>
+#include <qmultilineedit.h>
+#include <qbuttongroup.h>
+#include <qcheckbox.h>
+#include <stdlib.h>
+
+class TestItem
+{
+public:
+    TestItem( const QString &d, int it ) : msecs(0), desc(d), iter(it)
+    {
+    }
+
+    void begin()
+    {
+	timeKeeper.start();
+    }
+
+    void end()
+    {
+	msecs = timeKeeper.elapsed();
+    }
+
+    QString report() const
+    {
+	QString rpt( "%1 (%2): %3msecs" );
+	return rpt.arg(desc).arg(iter).arg(msecs);
+    }
+
+    int iterations() const { return iter; }
+    int elapsed() const { return msecs; }
+
+private:
+    int msecs;
+    QString desc;
+    int iter;
+    QTime timeKeeper;
+};
+
+void fillRect( QWidget *w, TestItem *ti )
+{
+    QPainter p( w );
+    ti->begin();
+    for ( int i = 0; i < ti->iterations(); i++ ) {
+	p.fillRect( rand() % 40, rand() % 40, 200, 200, Qt::red );
+    }
+    ti->end();
+}
+
+void bitBlt( QWidget *w, TestItem *ti )
+{
+    QPixmap pm( 200, 200 );
+    QPainter pmp( &pm );
+    pmp.setBrush( Qt::white );
+    pmp.drawRect( 0, 0, 200, 200 );
+    pmp.drawLine( 0, 0, 200, 200 );
+    pmp.drawLine( 0, 200, 200, 0 );
+    pmp.end();
+
+    QPainter p( w );
+    ti->begin();
+    for ( int i = 0; i < ti->iterations(); i++ ) {
+	p.drawPixmap( rand() % 100, rand() % 100, pm );
+    }
+    ti->end();
+}
+
+void alphaBlt( QWidget *w, TestItem *ti )
+{
+    QImage img( 200, 200, 32 );
+    img.setAlphaBuffer( TRUE );
+    for ( int y = 0; y < img.height(); y++ ) {
+	for ( int x = 0; x < img.width(); x++ ) {
+	    QColor col;
+	    col.setHsv( 360*x/img.width(), 255, 255 );
+	    QRgb rgb = col.rgb();
+	    rgb &= 0x00ffffff;
+	    rgb |= (255*y/img.height()) << 24;
+	    img.setPixel( x, y, rgb );
+	}
+    }
+
+    QPixmap pm;
+    pm.convertFromImage( img );
+    QPainter p( w );
+    ti->begin();
+    for ( int i = 0; i < ti->iterations(); i++ ) {
+	p.drawPixmap( rand() % 20, rand() % 20, pm );
+    }
+    ti->end();
+}
+
+void drawText( QWidget *w, TestItem *ti )
+{
+    QPainter p( w );
+    p.setPen( Qt::white );
+    QString text( "The quick red fox jumps over the lazy brown dog." ); // No tr
+    ti->begin();
+    for ( int i = 0; i < ti->iterations(); i++ ) {
+	p.drawText( rand() % 100, rand() % 300, text );
+    }
+    ti->end();
+}
+
+
+struct {
+    int id;
+    const char *name;
+    int iterations;
+    void (*testFunc)(QWidget *, TestItem *);
+}
+perfTests[] =
+{
+    { 0, "Fill Rect", 1000, &fillRect }, // No tr
+    { 1, "Bit Blt", 1000, &bitBlt }, // No tr
+    { 2, "Alpha Blt", 100, &alphaBlt }, // No tr
+    { 3, "Draw Text", 5000, &drawText }, // No tr
+    {-1, "", 0, 0 }
+};
+
+PerformanceTest::PerformanceTest( QWidget *parent, const char *name, WFlags f )
+    : PerformanceTestBase( parent, name, f )
+{
+    connect( testButton, SIGNAL(clicked()), this, SLOT(doTest()) );
+    connect( optionGroup, SIGNAL(clicked(int)), this, SLOT(testClicked(int)) );
+    QVBoxLayout *vb = new QVBoxLayout( testFrame );
+    testWidget = new QWidget( testFrame );
+    testWidget->setBackgroundColor( black );
+    vb->addWidget( testWidget );
+
+    int count = 0;
+    while ( perfTests[count].id >= 0 ) {
+	QCheckBox *cb = new QCheckBox( perfTests[count].name, optionGroup );
+	cb->setChecked( TRUE );
+	optionGroupLayout->addWidget( cb );
+	count++;
+    }
+    enabledTests.resize( count );
+    enabledTests.fill( TRUE );
+}
+
+void PerformanceTest::testClicked( int btn )
+{
+    enabledTests[btn] = optionGroup->find( btn )->isOn();
+}
+
+void PerformanceTest::doTest()
+{
+    testButton->setEnabled( FALSE );
+    qApp->processEvents();
+    int totalTime = 0;
+    int i = 0;
+    while ( perfTests[i].id >= 0 ) {
+	if ( enabledTests[i] ) {
+	    srand( 1 );
+	    testButton->setText( perfTests[i].name );
+	    qApp->processEvents();
+	    TestItem ti( perfTests[i].name, perfTests[i].iterations );
+	    (perfTests[i].testFunc)(testWidget, &ti);
+	    resultsEdit->append( ti.report() );
+	    totalTime += ti.elapsed();
+	    testWidget->erase();
+	}
+	i++;
+    }
+    resultsEdit->append( QString("-> Total time: %1ms\n").arg(totalTime) ); // No tr
+    testButton->setText( "Test" ); // No tr
+    testButton->setEnabled( TRUE );
+}
--
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