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don't read headers unnecessarily

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This commit is contained in:
David Rose 2005-06-01 05:59:00 +00:00
parent d21af49d00
commit 741ac58078
1 changed files with 43 additions and 55 deletions
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20
pandaapp/src/indexify/indexImage.cxx
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@ -290,24 +290,10 @@ make_reduced_image(Photo *photo, PNMImage &reduced_image,
} else if (force_reduced) {
// Even though the reduced image would not be smaller, copy it
// anyway when force_reduced is true.
nout << "Reading " << photo_filename << "\n";
if (!reduced_image.read(reader)) {
nout << "Unable to read.\n";
photo_filename.set_binary();
if (!copy_file(photo_filename, reduced_dir)) {
return false;
}
reader = NULL;
reduced_filename.make_dir();
nout << "Writing " << reduced_filename << "\n";
if (!reduced_image.write(reduced_filename)) {
nout << "Unable to write.\n";
delete reader;
return false;
}
photo->_has_reduced = true;
photo->_reduced_x_size = reduced_image.get_x_size();
photo->_reduced_y_size = reduced_image.get_y_size();
} else {
// We're not making a reduced version. But maybe we still
@ -332,6 +318,7 @@ make_reduced_image(Photo *photo, PNMImage &reduced_image,
// If the reduced image already exists and is newer than the
// source image, use it.
if (!force_reduced) {
// We still read the image header to determine its size.
PNMImageHeader photo_image;
if (!photo_image.read_header(photo_filename)) {
@ -375,6 +362,7 @@ make_reduced_image(Photo *photo, PNMImage &reduced_image,
photo->_reduced_y_size = reduced_image.get_y_size();
}
}
}
return true;
}