Code

specify metric units
[inkscape.git] / src / sp-rect.cpp
index ab0ea3d72795a652038f2009b8512f2244a1326f..6030991e27cd71ef5a89c370ea0f5f132bc75a51 100644 (file)
@@ -1,5 +1,3 @@
-#define __SP_RECT_C__
-
 /*
  * SVG <rect> implementation
  *
@@ -176,7 +174,7 @@ sp_rect_update(SPObject *object, SPCtx *ctx, guint flags)
         SPRect *rect = (SPRect *) object;
         SPStyle *style = object->style;
         SPItemCtx const *ictx = (SPItemCtx const *) ctx;
-        double const d = NR::expansion(ictx->i2vp);
+        double const d = ictx->i2vp.descrim();
         double const w = (ictx->vp.x1 - ictx->vp.x0) / d;
         double const h = (ictx->vp.y1 - ictx->vp.y0) / d;
         double const em = style->font_size.computed;
@@ -400,11 +398,11 @@ sp_rect_set_transform(SPItem *item, Geom::Matrix const &xform)
 Returns the ratio in which the vector from p0 to p1 is stretched by transform
  */
 static gdouble
-vector_stretch(NR::Point p0, NR::Point p1, NR::Matrix xform)
+vector_stretch(Geom::Point p0, Geom::Point p1, Geom::Matrix xform)
 {
     if (p0 == p1)
         return 0;
-    return (NR::distance(p0 * xform, p1 * xform) / NR::distance(p0, p1));
+    return (Geom::distance(p0 * xform, p1 * xform) / Geom::distance(p0, p1));
 }
 
 void
@@ -415,8 +413,8 @@ sp_rect_set_visible_rx(SPRect *rect, gdouble rx)
         rect->rx._set = false;
     } else {
         rect->rx.computed = rx / vector_stretch(
-            NR::Point(rect->x.computed + 1, rect->y.computed),
-            NR::Point(rect->x.computed, rect->y.computed),
+            Geom::Point(rect->x.computed + 1, rect->y.computed),
+            Geom::Point(rect->x.computed, rect->y.computed),
             SP_ITEM(rect)->transform);
         rect->rx._set = true;
     }
@@ -431,8 +429,8 @@ sp_rect_set_visible_ry(SPRect *rect, gdouble ry)
         rect->ry._set = false;
     } else {
         rect->ry.computed = ry / vector_stretch(
-            NR::Point(rect->x.computed, rect->y.computed + 1),
-            NR::Point(rect->x.computed, rect->y.computed),
+            Geom::Point(rect->x.computed, rect->y.computed + 1),
+            Geom::Point(rect->x.computed, rect->y.computed),
             SP_ITEM(rect)->transform);
         rect->ry._set = true;
     }
@@ -445,8 +443,8 @@ sp_rect_get_visible_rx(SPRect *rect)
     if (!rect->rx._set)
         return 0;
     return rect->rx.computed * vector_stretch(
-        NR::Point(rect->x.computed + 1, rect->y.computed),
-        NR::Point(rect->x.computed, rect->y.computed),
+        Geom::Point(rect->x.computed + 1, rect->y.computed),
+        Geom::Point(rect->x.computed, rect->y.computed),
         SP_ITEM(rect)->transform);
 }
 
@@ -456,21 +454,21 @@ sp_rect_get_visible_ry(SPRect *rect)
     if (!rect->ry._set)
         return 0;
     return rect->ry.computed * vector_stretch(
-        NR::Point(rect->x.computed, rect->y.computed + 1),
-        NR::Point(rect->x.computed, rect->y.computed),
+        Geom::Point(rect->x.computed, rect->y.computed + 1),
+        Geom::Point(rect->x.computed, rect->y.computed),
         SP_ITEM(rect)->transform);
 }
 
 void
-sp_rect_compensate_rxry(SPRect *rect, NR::Matrix xform)
+sp_rect_compensate_rxry(SPRect *rect, Geom::Matrix xform)
 {
     if (rect->rx.computed == 0 && rect->ry.computed == 0)
         return; // nothing to compensate
 
     // test unit vectors to find out compensation:
-    NR::Point c(rect->x.computed, rect->y.computed);
-    NR::Point cx = c + NR::Point(1, 0);
-    NR::Point cy = c + NR::Point(0, 1);
+    Geom::Point c(rect->x.computed, rect->y.computed);
+    Geom::Point cx = c + Geom::Point(1, 0);
+    Geom::Point cy = c + Geom::Point(0, 1);
 
     // apply previous transform if any
     c *= SP_ITEM(rect)->transform;
@@ -503,8 +501,8 @@ void
 sp_rect_set_visible_width(SPRect *rect, gdouble width)
 {
     rect->width.computed = width / vector_stretch(
-        NR::Point(rect->x.computed + 1, rect->y.computed),
-        NR::Point(rect->x.computed, rect->y.computed),
+        Geom::Point(rect->x.computed + 1, rect->y.computed),
+        Geom::Point(rect->x.computed, rect->y.computed),
         SP_ITEM(rect)->transform);
     rect->width._set = true;
     SP_OBJECT(rect)->updateRepr();
@@ -514,8 +512,8 @@ void
 sp_rect_set_visible_height(SPRect *rect, gdouble height)
 {
     rect->height.computed = height / vector_stretch(
-        NR::Point(rect->x.computed, rect->y.computed + 1),
-        NR::Point(rect->x.computed, rect->y.computed),
+        Geom::Point(rect->x.computed, rect->y.computed + 1),
+        Geom::Point(rect->x.computed, rect->y.computed),
         SP_ITEM(rect)->transform);
     rect->height._set = true;
     SP_OBJECT(rect)->updateRepr();
@@ -527,8 +525,8 @@ sp_rect_get_visible_width(SPRect *rect)
     if (!rect->width._set)
         return 0;
     return rect->width.computed * vector_stretch(
-        NR::Point(rect->x.computed + 1, rect->y.computed),
-        NR::Point(rect->x.computed, rect->y.computed),
+        Geom::Point(rect->x.computed + 1, rect->y.computed),
+        Geom::Point(rect->x.computed, rect->y.computed),
         SP_ITEM(rect)->transform);
 }
 
@@ -538,34 +536,34 @@ sp_rect_get_visible_height(SPRect *rect)
     if (!rect->height._set)
         return 0;
     return rect->height.computed * vector_stretch(
-        NR::Point(rect->x.computed, rect->y.computed + 1),
-        NR::Point(rect->x.computed, rect->y.computed),
+        Geom::Point(rect->x.computed, rect->y.computed + 1),
+        Geom::Point(rect->x.computed, rect->y.computed),
         SP_ITEM(rect)->transform);
 }
 
 /**
  * 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 usefull 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 
+    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. */
-    
+
     g_assert(item != NULL);
     g_assert(SP_IS_RECT(item));
 
     SPRect *rect = SP_RECT(item);
 
-    NR::Matrix const i2d (sp_item_i2d_affine (item));
+    Geom::Matrix const i2d (sp_item_i2d_affine (item));
 
-    *p = NR::Point(rect->x.computed, rect->y.computed) * i2d;
-    *p = NR::Point(rect->x.computed, rect->y.computed + rect->height.computed) * i2d;
-    *p = NR::Point(rect->x.computed + rect->width.computed, rect->y.computed + rect->height.computed) * i2d;
-    *p = NR::Point(rect->x.computed + rect->width.computed, rect->y.computed) * i2d;
+    *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;
 }
 
 void
@@ -580,12 +578,12 @@ sp_rect_convert_to_guides(SPItem *item) {
 
     std::list<std::pair<Geom::Point, Geom::Point> > pts;
 
-    NR::Matrix const i2d (sp_item_i2d_affine(SP_ITEM(rect)));
+    Geom::Matrix const i2d (sp_item_i2d_affine(SP_ITEM(rect)));
 
-    NR::Point A1(NR::Point(rect->x.computed, rect->y.computed) * i2d);
-    NR::Point A2(NR::Point(rect->x.computed, rect->y.computed + rect->height.computed) * i2d);
-    NR::Point A3(NR::Point(rect->x.computed + rect->width.computed, rect->y.computed + rect->height.computed) * i2d);
-    NR::Point A4(NR::Point(rect->x.computed + rect->width.computed, rect->y.computed) * i2d);
+    Geom::Point A1(Geom::Point(rect->x.computed, rect->y.computed) * i2d);
+    Geom::Point A2(Geom::Point(rect->x.computed, rect->y.computed + rect->height.computed) * i2d);
+    Geom::Point A3(Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed + rect->height.computed) * i2d);
+    Geom::Point A4(Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed) * i2d);
 
     pts.push_back(std::make_pair(A1, A2));
     pts.push_back(std::make_pair(A2, A3));