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Merge pull request #2201 from mattip:2.4

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This commit is contained in:
Roman Donchenko
2014-02-21 17:57:36 +04:00
committed by OpenCV Buildbot
parent 3e5890694e dc50dc7254
commit 51421098dd
2 changed files with 55 additions and 10 deletions
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24
modules/highgui/src/grfmt_tiff.cpp
View File

@@ -238,11 +238,15 @@ bool TiffDecoder::readData( Mat& img )
{
case 8:
{
uchar * bstart = buffer;
if( !is_tiled )
ok = TIFFReadRGBAStrip( tif, y, (uint32*)buffer );
else
{
ok = TIFFReadRGBATile( tif, x, y, (uint32*)buffer );
//Tiles fill the buffer from the bottom up
bstart += (tile_height0 - tile_height) * tile_width0 * 4;
}
if( !ok )
{
close();
@@ -251,11 +255,11 @@ bool TiffDecoder::readData( Mat& img )
for( i = 0; i < tile_height; i++ )
if( color )
icvCvt_BGRA2BGR_8u_C4C3R( buffer + i*tile_width*4, 0,
icvCvt_BGRA2BGR_8u_C4C3R( bstart + i*tile_width0*4, 0,
data + x*3 + img.step*(tile_height - i - 1), 0,
cvSize(tile_width,1), 2 );
else
icvCvt_BGRA2Gray_8u_C4C1R( buffer + i*tile_width*4, 0,
icvCvt_BGRA2Gray_8u_C4C1R( bstart + i*tile_width0*4, 0,
data + x + img.step*(tile_height - i - 1), 0,
cvSize(tile_width,1), 2 );
break;
@@ -280,19 +284,19 @@ bool TiffDecoder::readData( Mat& img )
{
if( ncn == 1 )
{
icvCvt_Gray2BGR_16u_C1C3R(buffer16 + i*tile_width*ncn, 0,
icvCvt_Gray2BGR_16u_C1C3R(buffer16 + i*tile_width0*ncn, 0,
(ushort*)(data + img.step*i) + x*3, 0,
cvSize(tile_width,1) );
}
else if( ncn == 3 )
{
icvCvt_RGB2BGR_16u_C3R(buffer16 + i*tile_width*ncn, 0,
icvCvt_RGB2BGR_16u_C3R(buffer16 + i*tile_width0*ncn, 0,
(ushort*)(data + img.step*i) + x*3, 0,
cvSize(tile_width,1) );
}
else
{
icvCvt_BGRA2BGR_16u_C4C3R(buffer16 + i*tile_width*ncn, 0,
icvCvt_BGRA2BGR_16u_C4C3R(buffer16 + i*tile_width0*ncn, 0,
(ushort*)(data + img.step*i) + x*3, 0,
cvSize(tile_width,1), 2 );
}
@@ -302,12 +306,12 @@ bool TiffDecoder::readData( Mat& img )
if( ncn == 1 )
{
memcpy((ushort*)(data + img.step*i)+x,
buffer16 + i*tile_width*ncn,
buffer16 + i*tile_width0*ncn,
tile_width*sizeof(buffer16[0]));
}
else
{
icvCvt_BGRA2Gray_16u_CnC1R(buffer16 + i*tile_width*ncn, 0,
icvCvt_BGRA2Gray_16u_CnC1R(buffer16 + i*tile_width0*ncn, 0,
(ushort*)(data + img.step*i) + x, 0,
cvSize(tile_width,1), ncn, 2 );
}
@@ -335,13 +339,13 @@ bool TiffDecoder::readData( Mat& img )
if(dst_bpp == 32)
{
memcpy((float*)(data + img.step*i)+x,
buffer32 + i*tile_width*ncn,
buffer32 + i*tile_width0*ncn,
tile_width*sizeof(buffer32[0]));
}
else
{
memcpy((double*)(data + img.step*i)+x,
buffer64 + i*tile_width*ncn,
buffer64 + i*tile_width0*ncn,
tile_width*sizeof(buffer64[0]));
}
}

41
modules/highgui/test/test_grfmt.cpp
View File

@@ -467,4 +467,45 @@ TEST(Highgui_Tiff, write_read_16bit_big_little_endian)
}
}
class CV_GrfmtReadTifTiledWithNotFullTiles: public cvtest::BaseTest
{
public:
void run(int)
{
try
{
/* see issue #3472 - dealing with tiled images where the tile size is
* not a multiple of image size.
* The tiled images were created with 'convert' from ImageMagick,
* using the command 'convert <input> -define tiff:tile-geometry=128x128 -depth [8|16] <output>
* Note that the conversion to 16 bits expands the range from 0-255 to 0-255*255,
* so the test converts back but rounding errors cause small differences.
*/
cv::Mat img = imread(string(ts->get_data_path()) + "readwrite/non_tiled.tif",-1);
if (img.empty()) ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
ASSERT_TRUE(img.channels() == 3);
cv::Mat tiled8 = imread(string(ts->get_data_path()) + "readwrite/tiled_8.tif", -1);
if (tiled8.empty()) ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
ASSERT_PRED_FORMAT2(cvtest::MatComparator(0, 0), img, tiled8);
cv::Mat tiled16 = imread(string(ts->get_data_path()) + "readwrite/tiled_16.tif", -1);
if (tiled16.empty()) ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
ASSERT_TRUE(tiled16.elemSize() == 6);
tiled16.convertTo(tiled8, CV_8UC3, 1./256.);
ASSERT_PRED_FORMAT2(cvtest::MatComparator(2, 0), img, tiled8);
// What about 32, 64 bit?
}
catch(...)
{
ts->set_failed_test_info(cvtest::TS::FAIL_EXCEPTION);
}
ts->set_failed_test_info(cvtest::TS::OK);
}
};
TEST(Highgui_Tiff, decode_tile_remainder)
{
CV_GrfmtReadTifTiledWithNotFullTiles test; test.safe_run();
}
#endif