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Fix comment in skew cases

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In the initial impl of skew transformation the ABCD points were named
PQRS.
This commit is contained in:
David Capello 2020-09-24 16:31:46 -03:00
parent 6889c3e0d4
commit fe85d9d492
1 changed files with 6 additions and 1 deletions
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7
src/app/ui/editor/pixels_movement.cpp
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@ -565,7 +565,12 @@ void PixelsMovement::moveImage(const gfx::PointF& pos, MoveModifier moveModifier
vec2 u = to_vec2(B - A);
vec2 v = to_vec2(C - A);
// Move PQ and RS side by a delta value projected on u vector
// Move sides depending of a delta value (the mouse pos - catch
// pos) projected on u or v vectors. North and south cases are
// simple because only AB or CD sides can be modified (and then
// skew angle is calculated from the pivot position), but with
// east and west handles we modify all points to recalculate all
// the transformation parameters from scratch.
vec2 delta = to_vec2(pos - m_catchPos);
switch (m_handle) {
case SkewNHandle: