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| author | schwieni <mschwienbacher@gmail.com> | 2019-03-24 09:14:33 +0000 |
|---|---|---|
| committer | Markus Schwienbacher <mschwienbacher@gmail.com> | 2019-03-25 17:15:50 +0000 |
| commit | 3a1866ab31229a9adb417ff230add5ab6b9b9ddf (patch) | |
| tree | d44f33bc8076a21c237c5544aebe6eab86495323 /src | |
| parent | lpe-pts2ellipse: added perspective circle from 4 points (diff) | |
| download | inkscape-3a1866ab31229a9adb417ff230add5ab6b9b9ddf.tar.gz inkscape-3a1866ab31229a9adb417ff230add5ab6b9b9ddf.zip | |
lpe-pts2ellipse: added perspective circle from 4 points
improved tool-tips for better usability
Diffstat (limited to 'src')
| -rw-r--r-- | src/live_effects/lpe-pts2ellipse.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/live_effects/lpe-pts2ellipse.cpp b/src/live_effects/lpe-pts2ellipse.cpp index 0e972c68e..c657c18aa 100644 --- a/src/live_effects/lpe-pts2ellipse.cpp +++ b/src/live_effects/lpe-pts2ellipse.cpp @@ -726,6 +726,10 @@ int LPEPts2Ellipse::genPerspectiveEllipse(std::vector<Geom::Point> const &pts, G path_out.push_back(path); // 5) frames and axes + bool ccw_wind = false; + if (gen_perspective_frame.get_value() || draw_perspective_axes.get_value()) + ccw_wind = is_ccw(pts); + const double ra = ccw_wind ? rot_angle : -rot_angle; // draw frame? if (gen_isometric_frame.get_value()) { @@ -734,7 +738,7 @@ int LPEPts2Ellipse::genPerspectiveEllipse(std::vector<Geom::Point> const &pts, G // draw perspective frame? if (gen_perspective_frame.get_value()) { - gen_perspective_frame_paths(path_out, rot_angle, projmatrix); + gen_perspective_frame_paths(path_out, ra, projmatrix); } // draw axes? @@ -744,7 +748,7 @@ int LPEPts2Ellipse::genPerspectiveEllipse(std::vector<Geom::Point> const &pts, G // draw perspective axes? if (draw_perspective_axes.get_value()) { - gen_perspective_axes_paths(path_out, rot_angle, projmatrix); + gen_perspective_axes_paths(path_out, ra, projmatrix); } return 0; |