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fix assertion failures

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This commit is contained in:
David Rose 2012-08-22 02:09:23 +00:00
parent 33d494d0f4
commit 54a29d5ece
1 changed files with 12 additions and 4 deletions
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16
panda/src/pnmimage/pfmFile.cxx
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@ -314,7 +314,7 @@ write(PNMWriter *writer) {
return false;
}
writer->copy_header_from(pnmimage);
bool success = writer->write_data(pnmimage.get_array(), pnmimage.get_alpha_array());
bool success = (writer->write_data(pnmimage.get_array(), pnmimage.get_alpha_array()) != 0);
delete writer;
return success;
}
@ -726,8 +726,11 @@ resize(int new_x_size, int new_y_size) {
return;
}
int new_size = new_x_size * new_y_size * _num_channels;
// We allocate a little bit bigger to allow safe overflow.
Table new_data;
new_data.reserve(new_x_size * new_y_size * _num_channels);
new_data.reserve(new_size + 4);
PN_float32 from_x0, from_x1, from_y0, from_y1;
@ -826,7 +829,12 @@ resize(int new_x_size, int new_y_size) {
nassertv(false);
}
nassertv(new_data.size() == new_x_size * new_y_size * _num_channels);
new_data.push_back(0.0);
new_data.push_back(0.0);
new_data.push_back(0.0);
new_data.push_back(0.0);
nassertv(new_data.size() == new_size + 4);
_table.swap(new_data);
_x_size = new_x_size;
_y_size = new_y_size;
@ -1042,7 +1050,7 @@ apply_crop(int x_begin, int x_end, int y_begin, int y_end) {
new_x_size * sizeof(PN_float32) * _num_channels);
}
nassertv(new_table.size() == new_x_size * new_y_size * _num_channels);
nassertv(new_table.size() == new_size + 4);
_table.swap(new_table);
_x_size = new_x_size;
_y_size = new_y_size;