From ab43a5a89a5829715f3b576604408e09d6b6f4c6 Mon Sep 17 00:00:00 2001 From: dvlierop2 Date: Sun, 11 Jan 2009 12:31:10 +0000 Subject: [PATCH] Snap from/to midpoints of a rectangle (SPRect) --- src/sp-rect.cpp | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/src/sp-rect.cpp b/src/sp-rect.cpp index 6030991e2..2f3fc1864 100644 --- a/src/sp-rect.cpp +++ b/src/sp-rect.cpp @@ -544,11 +544,11 @@ sp_rect_get_visible_height(SPRect *rect) /** * Sets the snappoint p to the unrounded corners of the rectangle */ -static void sp_rect_snappoints(SPItem const *item, SnapPointsIter p, Inkscape::SnapPreferences const */*snapprefs*/) +static void sp_rect_snappoints(SPItem const *item, SnapPointsIter p, Inkscape::SnapPreferences const *snapprefs) { /* This method overrides sp_shape_snappoints, which is the default for any shape. The default method returns all eight points along the path of a rounded rectangle, but not the real corners. Snapping - the startpoint and endpoint of each rounded corner is not very usefull and really confusing. Instead + the startpoint and endpoint of each rounded corner is not very useful and really confusing. Instead we could snap either the real corners, or not snap at all. Bulia Byak opted to snap the real corners, but it should be noted that this might be confusing in some cases with relatively large radii. With small radii though the user will easily understand which point is snapping. */ @@ -560,10 +560,22 @@ static void sp_rect_snappoints(SPItem const *item, SnapPointsIter p, Inkscape::S Geom::Matrix const i2d (sp_item_i2d_affine (item)); - *p = Geom::Point(rect->x.computed, rect->y.computed) * i2d; - *p = Geom::Point(rect->x.computed, rect->y.computed + rect->height.computed) * i2d; - *p = Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed + rect->height.computed) * i2d; - *p = Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed) * i2d; + Geom::Point p0 = Geom::Point(rect->x.computed, rect->y.computed) * i2d; + Geom::Point p1 = Geom::Point(rect->x.computed, rect->y.computed + rect->height.computed) * i2d; + Geom::Point p2 = Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed + rect->height.computed) * i2d; + Geom::Point p3 = Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed) * i2d; + + *p = p0; + *p = p1; + *p = p2; + *p = p3; + + if (snapprefs->getSnapMidpoints()) { + *p = (p0 + p1)/2; + *p = (p1 + p2)/2; + *p = (p2 + p3)/2; + *p = (p3 + p0)/2; + } } void -- 2.30.2