generic-library/openjpeg
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Improved parsing in OPJViewer, as well some aesthetic modifications; support for image rendering with bit depths lower than 8 bits; can display an arbitrary frame of an MJ2 file (only in B/W, though); can reload a file; better image resizing capabilities

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This commit is contained in:
Giuseppe Baruffa
2007-03-27 12:48:17 +00:00
parent f7c9b01800
commit 3f36196dfd
16 changed files with 1947 additions and 311 deletions
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26
OPJViewer/source/imagj2k.cpp
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@@ -233,14 +233,26 @@ bool wxJ2KHandler::LoadFile(wxImage *image, wxInputStream& stream, bool verbose,
}
}
} else {
} else if (shiftbpp < 0) {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = (*(r++)) << -shiftbpp;
*(ptr++) = (*(g++)) << -shiftbpp;
*(ptr++) = (*(b++)) << -shiftbpp;
}
}
} else {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = *(r++);
*(ptr++) = *(g++);
*(ptr++) = *(b++);
}
}
}
@@ -258,6 +270,16 @@ bool wxJ2KHandler::LoadFile(wxImage *image, wxInputStream& stream, bool verbose,
*(ptr++) = (*(y)) >> shiftbpp;
*(ptr++) = (*(y++)) >> shiftbpp;
}
}
} else if (shiftbpp < 0) {
for (row = 0; row < opjimage->comps[0].h; row++) {
for (col = 0; col < opjimage->comps[0].w; col++) {
*(ptr++) = (*(y)) << -shiftbpp;
*(ptr++) = (*(y)) << -shiftbpp;
*(ptr++) = (*(y++)) << -shiftbpp;
}
}
} else {