pose-widget: drop alpha calculation

We don't have 8-bit alpha in Qt anyway.

1 files changed, 6 insertions, 17 deletions

diff --git a/pose-widget/pose-widget.cpp b/pose-widget/pose-widget.cpp
index c25ad3eb..5b8fdbbf 100644
--- a/pose-widget/pose-widget.cpp
+++ b/pose-widget/pose-widget.cpp
@@ -375,24 +375,13 @@ void pose_transform::project_quad_texture()
 #endif
 
                 const unsigned pos = y * dest_pitch + x * const_depth;
-                const float a = orig[orig_pos + 3] * (1.f/255.f);
 
-                for (int k = 0; k < 3; k++)
-                {
-#if defined BILINEAR_FILTER
-                    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];
-
-                    unsigned c((i * ax + i__ * ax_) * ay + (i___ * ax + i_ * ax_) * ay_);
-
-                    dest[pos + k] = (unsigned char) bgcolor(k)*(1-a) + c*a;
-#else
-                    const uc c = orig[orig_pos + k];
-                    dest[pos + k] = (unsigned char) bgcolor(k)*(1-a) + c*a;
-#endif
-                }
+                if (orig[orig_pos + 3] == uc(255)) // alpha
+                    for (int k = 0; k < 3; k++)
+                        dest[pos + k] = orig[orig_pos + k];
+                else
+                    for (int k = 0; k < 3; k++)
+                        dest[pos + k] = bgcolor(k);
             }
         }
     }