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fix issues with grayscale pfm files

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This commit is contained in:
David Rose 2012-06-19 06:01:06 +00:00
parent c64a59d62e
commit 5a5a6387bd
1 changed files with 16 additions and 6 deletions
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22
panda/src/grutil/pfmFile.cxx
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@ -109,7 +109,7 @@ clear(int x_size, int y_size, int num_channels) {
_x_size = x_size;
_y_size = y_size;
_scale = 1.0;
_num_channels = _num_channels;
_num_channels = num_channels;
_table.clear();
int size = _x_size * _y_size;
@ -417,11 +417,21 @@ store(PNMImage &pnmimage) const {
return false;
}
pnmimage.clear(get_x_size(), get_y_size(), get_num_channels(), PGM_MAXMAXVAL);
for (int yi = 0; yi < get_y_size(); ++yi) {
for (int xi = 0; xi < get_x_size(); ++xi) {
LPoint3 point = get_point(xi, yi);
pnmimage.set_xel(xi, yi, point[0], point[1], point[2]);
int num_channels = get_num_channels();
pnmimage.clear(get_x_size(), get_y_size(), num_channels, PGM_MAXMAXVAL);
if (num_channels == 1) {
for (int yi = 0; yi < get_y_size(); ++yi) {
for (int xi = 0; xi < get_x_size(); ++xi) {
LPoint3 point = get_point(xi, yi);
pnmimage.set_gray(xi, yi, point[0]);
}
}
} else {
for (int yi = 0; yi < get_y_size(); ++yi) {
for (int xi = 0; xi < get_x_size(); ++xi) {
LPoint3 point = get_point(xi, yi);
pnmimage.set_xel(xi, yi, point[0], point[1], point[2]);
}
}
}
return true;