diff options
Diffstat (limited to 'pose-widget')
| -rw-r--r-- | pose-widget/pose-widget.cpp | 61 |
1 files changed, 28 insertions, 33 deletions
diff --git a/pose-widget/pose-widget.cpp b/pose-widget/pose-widget.cpp index a7da830a..f237b0ba 100644 --- a/pose-widget/pose-widget.cpp +++ b/pose-widget/pose-widget.cpp @@ -288,6 +288,7 @@ void pose_transform::project_quad_texture() vec2 pos(x, y); vec2 uv; int i; + if (t.barycentric_coords(pos, uv, i)) { const float fx = origs[i][0].x() @@ -297,51 +298,45 @@ void pose_transform::project_quad_texture() + uv.x() * origs[i][2].y() + uv.y() * origs[i][1].y(); - const int px_ = fx + 1; - const int py_ = fy + 1; - const int px = fx; - const int py = fy; - const float ax_ = fx - px; - const float ay_ = fy - py; + using uc = unsigned char; + + const float ax_ = fx - unsigned(fx); + const float ay_ = fy - unsigned(fy); const float ax = 1 - ax_; const float ay = 1 - ay_; - // 0, 0 -- ax, ay - const unsigned orig_pos = py * orig_pitch + px * orig_depth; - const unsigned r = orig[orig_pos + 2]; - const unsigned g = orig[orig_pos + 1]; - const unsigned b = orig[orig_pos + 0]; + const unsigned px_ = fx + 1; + const unsigned py_ = fy + 1; + const unsigned px = fx; + const unsigned py = fy; - // 1, 1 -- ax_, ay_ + const unsigned orig_pos = py * orig_pitch + px * orig_depth; const unsigned orig_pos_ = py_ * orig_pitch + px_ * orig_depth; - const unsigned r_ = orig[orig_pos_ + 2]; - const unsigned g_ = orig[orig_pos_ + 1]; - const unsigned b_ = orig[orig_pos_ + 0]; - - // 1, 0 -- ax_, ay const unsigned orig_pos__ = py * orig_pitch + px_ * orig_depth; - const unsigned r__ = orig[orig_pos__ + 2]; - const unsigned g__ = orig[orig_pos__ + 1]; - const unsigned b__ = orig[orig_pos__ + 0]; - - // 0, 1 -- ax, ay_ const unsigned orig_pos___ = py_ * orig_pitch + px * orig_depth; - const unsigned r___ = orig[orig_pos___ + 2]; - const unsigned g___ = orig[orig_pos___ + 1]; - const unsigned b___ = orig[orig_pos___ + 0]; - const unsigned a1 = orig[orig_pos + 3]; - const unsigned a2 = orig[orig_pos_ + 3]; - const unsigned a3 = orig[orig_pos__ + 3]; - const unsigned a4 = orig[orig_pos___ + 3]; + const uc a1 = orig[orig_pos + 3]; + const uc a2 = orig[orig_pos_ + 3]; + const uc a3 = orig[orig_pos__ + 3]; + const uc a4 = orig[orig_pos___ + 3]; + + // 1, 0 -- ax_, ay + // 0, 1 -- ax, ay_ + // 1, 1 -- ax_, ay_ + // 0, 0 -- ax, ay + const uc alpha = (a1 * ax + a3 * ax_) * ay + (a4 * ax + a2 * ax_) * ay_; const unsigned pos = y * dest_pitch + x * dest_depth; - const unsigned alpha = (a1 * ax + a3 * ax_) * ay + (a4 * ax + a2 * ax_) * ay_; + for (unsigned k = 0; k < 3; k++) + { + const uc i = orig[orig_pos + k]; + const uc i_ = orig[orig_pos_ + k]; + const uc i__ = orig[orig_pos__ + k]; + const uc i___ = orig[orig_pos___ + k]; - dest[pos + 2] = unsigned((r * ax + r__ * ax_) * ay + (r___ * ax + r_ * ax_) * ay_)*alpha / 255; - dest[pos + 1] = unsigned((g * ax + g__ * ax_) * ay + (g___ * ax + g_ * ax_) * ay_)*alpha / 255; - dest[pos + 0] = unsigned((b * ax + b__ * ax_) * ay + (b___ * ax + b_ * ax_) * ay_)*alpha / 255; + dest[pos + k] = unsigned((i * ax + i__ * ax_) * ay + (i___ * ax + i_ * ax_) * ay_)*alpha / 255; + } dest[pos + 3] = alpha; } |