summaryrefslogtreecommitdiffstats
path: root/src/sp-item-transform.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/sp-item-transform.cpp')
-rw-r--r--src/sp-item-transform.cpp34
1 files changed, 17 insertions, 17 deletions
diff --git a/src/sp-item-transform.cpp b/src/sp-item-transform.cpp
index 5b983b64b..ae55a5c50 100644
--- a/src/sp-item-transform.cpp
+++ b/src/sp-item-transform.cpp
@@ -21,12 +21,12 @@ sp_item_rotate_rel(SPItem *item, Geom::Rotate const &rotation)
{
Geom::Point center = item->getCenter();
Geom::Translate const s(item->getCenter());
- Geom::Matrix affine = Geom::Matrix(s).inverse() * Geom::Matrix(rotation) * Geom::Matrix(s);
+ Geom::Affine affine = Geom::Affine(s).inverse() * Geom::Affine(rotation) * Geom::Affine(s);
// Rotate item.
- item->set_i2d_affine(item->i2d_affine() * (Geom::Matrix)affine);
+ item->set_i2d_affine(item->i2d_affine() * (Geom::Affine)affine);
// Use each item's own transform writer, consistent with sp_selection_apply_affine()
- item->doWriteTransform(SP_OBJECT_REPR(item), item->transform);
+ item->doWriteTransform(item->getRepr(), item->transform);
// Restore the center position (it's changed because the bbox center changed)
if (item->isCenterSet()) {
@@ -42,7 +42,7 @@ sp_item_scale_rel (SPItem *item, Geom::Scale const &scale)
if (bbox) {
Geom::Translate const s(bbox->midpoint()); // use getCenter?
item->set_i2d_affine(item->i2d_affine() * s.inverse() * scale * s);
- item->doWriteTransform(SP_OBJECT_REPR(item), item->transform);
+ item->doWriteTransform(item->getRepr(), item->transform);
}
}
@@ -52,11 +52,11 @@ sp_item_skew_rel (SPItem *item, double skewX, double skewY)
Geom::Point center = item->getCenter();
Geom::Translate const s(item->getCenter());
- Geom::Matrix const skew(1, skewY, skewX, 1, 0, 0);
- Geom::Matrix affine = Geom::Matrix(s).inverse() * skew * Geom::Matrix(s);
+ Geom::Affine const skew(1, skewY, skewX, 1, 0, 0);
+ Geom::Affine affine = Geom::Affine(s).inverse() * skew * Geom::Affine(s);
item->set_i2d_affine(item->i2d_affine() * affine);
- item->doWriteTransform(SP_OBJECT_REPR(item), item->transform);
+ item->doWriteTransform(item->getRepr(), item->transform);
// Restore the center position (it's changed because the bbox center changed)
if (item->isCenterSet()) {
@@ -69,7 +69,7 @@ void sp_item_move_rel(SPItem *item, Geom::Translate const &tr)
{
item->set_i2d_affine(item->i2d_affine() * tr);
- item->doWriteTransform(SP_OBJECT_REPR(item), item->transform);
+ item->doWriteTransform(item->getRepr(), item->transform);
}
/*
@@ -79,16 +79,16 @@ preference value passed to it. Has to solve a quadratic equation to make sure
the goal is met exactly and the stroke scaling is obeyed.
*/
-Geom::Matrix
+Geom::Affine
get_scale_transform_with_stroke (Geom::Rect const &bbox_param, gdouble strokewidth, bool transform_stroke, gdouble x0, gdouble y0, gdouble x1, gdouble y1)
{
Geom::Rect bbox (bbox_param);
- Geom::Matrix p2o = Geom::Translate (-bbox.min());
- Geom::Matrix o2n = Geom::Translate (x0, y0);
+ Geom::Affine p2o = Geom::Translate (-bbox.min());
+ Geom::Affine o2n = Geom::Translate (x0, y0);
- Geom::Matrix scale = Geom::Scale (1, 1); // scale component
- Geom::Matrix unbudge = Geom::Translate (0, 0); // move component to compensate for the drift caused by stroke width change
+ Geom::Affine scale = Geom::Scale (1, 1); // scale component
+ Geom::Affine unbudge = Geom::Translate (0, 0); // move component to compensate for the drift caused by stroke width change
gdouble w0 = bbox[Geom::X].extent(); // will return a value >= 0, as required further down the road
gdouble h0 = bbox[Geom::Y].extent();
@@ -97,11 +97,11 @@ get_scale_transform_with_stroke (Geom::Rect const &bbox_param, gdouble strokewid
gdouble r0 = strokewidth;
if (bbox.hasZeroArea()) {
- Geom::Matrix move = Geom::Translate(x0 - bbox.min()[Geom::X], y0 - bbox.min()[Geom::Y]);
+ Geom::Affine move = Geom::Translate(x0 - bbox.min()[Geom::X], y0 - bbox.min()[Geom::Y]);
return (move); // cannot scale from empty boxes at all, so only translate
}
- Geom::Matrix direct = Geom::Scale(w1 / w0, h1 / h0);
+ Geom::Affine direct = Geom::Scale(w1 / w0, h1 / h0);
if (fabs(w0 - r0) < 1e-6 || fabs(h0 - r0) < 1e-6 || (!transform_stroke && (fabs(w1 - r0) < 1e-6 || fabs(h1 - r0) < 1e-6))) {
return (p2o * direct * o2n); // can't solve the equation: one of the dimensions is equal to stroke width, so return the straightforward scaler
@@ -120,7 +120,7 @@ get_scale_transform_with_stroke (Geom::Rect const &bbox_param, gdouble strokewid
gdouble ratio_x = (w1 - r0) / (w0 - r0);
gdouble ratio_y = (h1 - r0) / (h0 - r0);
- Geom::Matrix direct_constant_r = Geom::Scale(flip_x * ratio_x, flip_y * ratio_y);
+ Geom::Affine direct_constant_r = Geom::Scale(flip_x * ratio_x, flip_y * ratio_y);
if (transform_stroke && r0 != 0 && r0 != Geom::infinity()) { // there's stroke, and we need to scale it
// These coefficients are obtained from the assumption that scaling applies to the
@@ -159,7 +159,7 @@ get_scale_transform_with_stroke (Geom::Rect const &bbox_param, gdouble strokewid
}
Geom::Rect
-get_visual_bbox (Geom::OptRect const &initial_geom_bbox, Geom::Matrix const &abs_affine, gdouble const initial_strokewidth, bool const transform_stroke)
+get_visual_bbox (Geom::OptRect const &initial_geom_bbox, Geom::Affine const &abs_affine, gdouble const initial_strokewidth, bool const transform_stroke)
{
g_assert(initial_geom_bbox);