luke
/
klayout
mirror of https://github.com/KLayout/klayout.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Added performance tests for image

This commit is contained in:
Matthias Koefferlein 2022-05-02 22:27:30 +02:00
parent 3a2ae4ede1
commit d7b9bd71a1
1 changed files with 88 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
src/laybasic/unit_tests/layImageTests.cc
View File

@ -23,10 +23,12 @@
#include "layImage.h"
#include "tlUnitTest.h"
#include "tlTimer.h"
#if defined(HAVE_QT)
# include <QImage>
# include <QPainter>
static bool compare_images (const QImage &qimg, const std::string &au)
{
@ -159,3 +161,89 @@ TEST(2)
}
#endif
TEST(3)
{
{
tl::SelfTimer timer ("Run time - lay::Image copy, no write (should be very fast)");
lay::Image img (1000, 1000);
img.fill (0x112233);
for (unsigned int i = 0; i < 5000; ++i) {
lay::Image img2 (img);
}
}
#if defined(HAVE_QT)
{
tl::SelfTimer timer ("Run time - QImage copy, no write (should be very fast)");
lay::Image img (1000, 1000);
img.fill (0x112233);
QImage qimg (img.to_image ());
for (unsigned int i = 0; i < 5000; ++i) {
QImage qimg2 (qimg);
}
}
#endif
{
tl::SelfTimer timer ("Run time - lay::Image copy on write");
lay::Image img (1000, 1000);
img.fill (0x112233);
for (unsigned int i = 0; i < 5000; ++i) {
lay::Image img2 (img);
img2.scan_line (100) [7] = 0;
}
}
#if defined(HAVE_QT)
{
tl::SelfTimer timer ("Run time - QImage copy on write (should not be much less than lay::Image copy on write)");
lay::Image img (1000, 1000);
img.fill (0x112233);
QImage qimg (img.to_image ());
for (unsigned int i = 0; i < 5000; ++i) {
QImage qimg2 (qimg);
qimg2.scanLine (100) [7] = 0;
}
}
{
tl::SelfTimer timer ("Run time - direct QImage paint");
lay::Image img (1000, 1000);
img.fill (0x112233);
QImage qimg (img.to_image ());
QImage qrec (img.to_image ());
qrec.fill (0);
QPainter painter (&qrec);
for (unsigned int i = 0; i < 1000; ++i) {
painter.drawImage (QPoint (0, 0), qimg);
}
}
{
tl::SelfTimer timer ("Run time - lay::Image paint (should not be much more than direct QImage paint)");
lay::Image img (1000, 1000);
img.fill (0x112233);
QImage qrec (img.to_image ());
qrec.fill (0);
QPainter painter (&qrec);
for (unsigned int i = 0; i < 1000; ++i) {
painter.drawImage (QPoint (0, 0), img.to_image ());
}
}
#endif
}