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add project()

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This commit is contained in:
David Rose 2011-11-02 22:50:39 +00:00
parent f1c5c8ecaf
commit 5cbc418073
2 changed files with 36 additions and 0 deletions
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34
panda/src/grutil/pfmFile.cxx
View File

@ -26,6 +26,7 @@
#include "geomPoints.h"
#include "geomTriangles.h"
#include "geomVertexWriter.h"
#include "lens.h"
#include "look_at.h"
////////////////////////////////////////////////////////////////////
@ -524,6 +525,39 @@ xform(const LMatrix4 &transform) {
}
}
////////////////////////////////////////////////////////////////////
// Function: PfmFile::project
// Access: Published
// Description: Adjusts each (x, y, z) point of the Pfm file by
// projecting it through the indicated lens, converting
// each point to a (u, v, 0) texture coordinate. The
// resulting file can be generated to a mesh (with
// set_vis_inverse(true) and generate_vis_mesh(true))
// that will apply the lens distortion to an arbitrary
// texture image.
////////////////////////////////////////////////////////////////////
void PfmFile::
project(const Lens *lens) {
nassertv(is_valid());
static LMatrix4 to_uv(0.5, 0.0, 0.0, 0.0,
0.0, 0.5, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0,
0.5, 0.5, 0.0, 1.0);
Table::iterator ti;
for (ti = _table.begin(); ti != _table.end(); ++ti) {
if (_zero_special && (*ti) == LPoint3::zero()) {
continue;
}
LPoint3 &p = (*ti);
LPoint3 film;
lens->project(p, film);
p = to_uv.xform_point(film);
}
}
////////////////////////////////////////////////////////////////////
// Function: PfmFile::compute_planar_bounds
// Access: Published

2
panda/src/grutil/pfmFile.h
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@ -21,6 +21,7 @@
#include "boundingHexahedron.h"
class GeomNode;
class Lens;
////////////////////////////////////////////////////////////////////
// Class : PfmFile
@ -62,6 +63,7 @@ PUBLISHED:
void resize(int new_x_size, int new_y_size);
void reverse_rows();
void xform(const LMatrix4 &transform);
void project(const Lens *lens);
PT(BoundingHexahedron) compute_planar_bounds(double point_dist, double sample_radius) const;