diff options
| -rw-r--r-- | pose-widget/glwidget.cpp | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/pose-widget/glwidget.cpp b/pose-widget/glwidget.cpp index 749817b2..3ee480a1 100644 --- a/pose-widget/glwidget.cpp +++ b/pose-widget/glwidget.cpp @@ -78,7 +78,7 @@ public: uv = vec2(u, v); return (u >= 0) && (v >= 0) && (u + v <= 1); } - + private: num dot00, dot01, dot11, invDenom; vec2 v0, v1, origin; @@ -88,11 +88,11 @@ inline GLWidget::vec3 GLWidget::normal(const vec3& p1, const vec3& p2, const vec { vec3 u = p2 - p1; vec3 v = p3 - p1; - + vec3 tmp = u.cross(v); - + num i = 1./sqrt(tmp.dot(tmp)); - + return tmp * i; } @@ -105,10 +105,10 @@ void GLWidget::project_quad_texture() { vec3(0, sy-1, 0), vec3(sx-1, sy-1, 0.) }; - + for (int i = 0; i < 4; i++) pt[i] = project(vec3(corners[i].x() - sx/2, corners[i].y() - sy/2, 0)) + vec2(sx/2, sy/2); - + vec3 normal1(0, 0, 1); vec3 normal2; { @@ -117,17 +117,17 @@ void GLWidget::project_quad_texture() { foo[i] = project2(corners[i]); normal2 = normal(foo[0], foo[1], foo[2]); } - + num dir = normal1.dot(normal2); - + QImage& tex = dir < 0 ? back : front; - + int ow = tex.width(), oh = tex.height(); QImage texture(QSize(sx, sy), QImage::Format_RGB888); QColor bgColor = palette().color(QPalette::Current, QPalette::Window); texture.fill(bgColor); - + const vec2 projected[2][3] = { { pt[0], pt[1], pt[2] }, { pt[3], pt[1], pt[2] } }; const vec2 origs[2][3] = { { vec2(0, 0), vec2(ow-1, 0), vec2(0, oh-1) }, @@ -137,16 +137,16 @@ void GLWidget::project_quad_texture() { Triangle(projected[0][0], projected[0][1], projected[0][2]), Triangle(projected[1][0], projected[1][1], projected[1][2]) }; - + const int orig_pitch = tex.bytesPerLine(); const int dest_pitch = texture.bytesPerLine(); - + const unsigned char* orig = tex.bits(); unsigned char* dest = texture.bits(); - + const int orig_depth = tex.depth() / 8; const int dest_depth = texture.depth() / 8; - + /* image breakage? */ if (orig_depth < 3) return; @@ -167,15 +167,15 @@ void GLWidget::project_quad_texture() { + uv.x() * (origs[i][2].y() - origs[i][0].y()) + uv.y() * (origs[i][1].y() - origs[i][0].y()); - const int px_ = std::max<int>(0, fx - .5f); - const int py_ = std::max<int>(0, fy - .5f); + const int px_ = fx + .5f; + const int py_ = fy + .5f; const int px = fx; const int py = fy; - const float ax_ = fabs(fx - px); - const float ay_ = fabs(fy - py); + const float ax_ = fx - px; + const float ay_ = fy - py; const float ax = 1.f - ax_; const float ay = 1.f - ay_; - + // 0, 0 -- ax, ay const int orig_pos = py * orig_pitch + px * orig_depth; const unsigned char r = orig[orig_pos + 2]; |