large and transparent image samples for QImageReader benchmark

large and transparent image samples for QImageReader benchmark

Katie image format is 6x faster than png on transparent images, note
the size of the images. benchmark result:
********* Start testing of tst_QImageReader *********
Config: Using QTest library 4.12.0, Katie 4.12.0
PASS  : tst_QImageReader::initTestCase()
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.kat":
     0.450 msecs per iteration (total: 225, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-large.kat":
     5.148 msecs per iteration (total: 2,574, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-transparent.kat":
     2.176 msecs per iteration (total: 1,088, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.png":
     1.82 msecs per iteration (total: 911, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-large.png":
     19.46 msecs per iteration (total: 9,733, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-transparent.png":
     12.34 msecs per iteration (total: 6,171, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.ppm":
     0.586 msecs per iteration (total: 293, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-large.ppm":
     2.728 msecs per iteration (total: 1,364, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-transparent.ppm":
     2.418 msecs per iteration (total: 1,209, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.svg":
     10.79 msecs per iteration (total: 5,399, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.xpm":
     8.084 msecs per iteration (total: 4,042, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-large.xpm":
     75.654 msecs per iteration (total: 37,827, iterations: 500)
RESULT   : tst_QImageReader::readImage():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-transparent.xpm":
     63.850 msecs per iteration (total: 31,925, iterations: 500)
PASS  : tst_QImageReader::readImage()
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.kat":
     1.94 msecs per iteration (total: 974, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-large.kat":
     6.598 msecs per iteration (total: 3,299, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-transparent.kat":
     3.594 msecs per iteration (total: 1,797, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.png":
     3.332 msecs per iteration (total: 1,666, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-large.png":
     20.360 msecs per iteration (total: 10,180, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-transparent.png":
     13.29 msecs per iteration (total: 6,645, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.ppm":
     1.44 msecs per iteration (total: 720, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-large.ppm":
     3.668 msecs per iteration (total: 1,834, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-transparent.ppm":
     3.364 msecs per iteration (total: 1,682, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.svg":
     9.324 msecs per iteration (total: 4,662, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench.xpm":
     9.622 msecs per iteration (total: 4,811, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-large.xpm":
     77.180 msecs per iteration (total: 38,590, iterations: 500)
RESULT   : tst_QImageReader::setScaledSize():"/home/smil3y/katie/tests/benchmarks/gui/image/qimagereader//images/bench-transparent.xpm":
     65.346 msecs per iteration (total: 32,673, iterations: 500)
PASS  : tst_QImageReader::setScaledSize()
PASS  : tst_QImageReader::cleanupTestCase()
Totals: 4 passed, 0 failed, 0 skipped
********* Finished testing of tst_QImageReader *********

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>