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Diffstat (limited to 'src/ui/object-edit.cpp')
| -rw-r--r-- | src/ui/object-edit.cpp | 1618 |
1 files changed, 0 insertions, 1618 deletions
diff --git a/src/ui/object-edit.cpp b/src/ui/object-edit.cpp deleted file mode 100644 index a2b6a2de0..000000000 --- a/src/ui/object-edit.cpp +++ /dev/null @@ -1,1618 +0,0 @@ -/* - * Node editing extension to objects - * - * Authors: - * Lauris Kaplinski <lauris@kaplinski.com> - * Mitsuru Oka - * Maximilian Albert <maximilian.albert@gmail.com> - * Abhishek Sharma - * Jon A. Cruz <jon@joncruz.org> - * - * Licensed under GNU GPL - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "sp-item.h" -#include "sp-rect.h" -#include "box3d.h" -#include "sp-ellipse.h" -#include "sp-star.h" -#include "sp-spiral.h" -#include "sp-offset.h" -#include "sp-flowtext.h" -#include "preferences.h" -#include "style.h" -#include "desktop.h" - -#include "sp-namedview.h" -#include "live_effects/effect.h" -#include "sp-pattern.h" -#include <glibmm/i18n.h> -#include "ui/object-edit.h" -#include "knot-holder-entity.h" - -#define sp_round(v,m) (((v) < 0.0) ? ((ceil((v) / (m) - 0.5)) * (m)) : ((floor((v) / (m) + 0.5)) * (m))) - -namespace { - -static KnotHolder *sp_lpe_knot_holder(SPLPEItem *item, SPDesktop *desktop) -{ - KnotHolder *knot_holder = new KnotHolder(desktop, item, NULL); - - Inkscape::LivePathEffect::Effect *effect = item->getCurrentLPE(); - effect->addHandles(knot_holder, item); - - return knot_holder; -} - -} // namespace - -namespace Inkscape { -namespace UI { - -KnotHolder *createKnotHolder(SPItem *item, SPDesktop *desktop) -{ - KnotHolder *knotholder = NULL; - - SPLPEItem *lpe = dynamic_cast<SPLPEItem *>(item); - if (lpe && - lpe->getCurrentLPE() && - lpe->getCurrentLPE()->isVisible() && - lpe->getCurrentLPE()->providesKnotholder()) { - knotholder = sp_lpe_knot_holder(lpe, desktop); - } else if (dynamic_cast<SPRect *>(item)) { - knotholder = new RectKnotHolder(desktop, item, NULL); - } else if (dynamic_cast<SPBox3D *>(item)) { - knotholder = new Box3DKnotHolder(desktop, item, NULL); - } else if (dynamic_cast<SPGenericEllipse *>(item)) { - knotholder = new ArcKnotHolder(desktop, item, NULL); - } else if (dynamic_cast<SPStar *>(item)) { - knotholder = new StarKnotHolder(desktop, item, NULL); - } else if (dynamic_cast<SPSpiral *>(item)) { - knotholder = new SpiralKnotHolder(desktop, item, NULL); - } else if (dynamic_cast<SPOffset *>(item)) { - knotholder = new OffsetKnotHolder(desktop, item, NULL); - } else { - SPFlowtext *flowtext = dynamic_cast<SPFlowtext *>(item); - if (flowtext && flowtext->has_internal_frame()) { - knotholder = new FlowtextKnotHolder(desktop, flowtext->get_frame(NULL), NULL); - } else if ((item->style->fill.isPaintserver() && dynamic_cast<SPPattern *>(item->style->getFillPaintServer())) || - (item->style->stroke.isPaintserver() && dynamic_cast<SPPattern *>(item->style->getStrokePaintServer()))) { - knotholder = new KnotHolder(desktop, item, NULL); - knotholder->add_pattern_knotholder(); - } - } - - return knotholder; -} - -} -} // namespace Inkscape - -/* SPRect */ - -/* handle for horizontal rounding radius */ -class RectKnotHolderEntityRX : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -/* handle for vertical rounding radius */ -class RectKnotHolderEntityRY : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -/* handle for width/height adjustment */ -class RectKnotHolderEntityWH : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - -protected: - void set_internal(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -/* handle for x/y adjustment */ -class RectKnotHolderEntityXY : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -/* handle for position */ -class RectKnotHolderEntityCenter : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -Geom::Point -RectKnotHolderEntityRX::knot_get() const -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - return Geom::Point(rect->x.computed + rect->width.computed - rect->rx.computed, rect->y.computed); -} - -void -RectKnotHolderEntityRX::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - //In general we cannot just snap this radius to an arbitrary point, as we have only a single - //degree of freedom. For snapping to an arbitrary point we need two DOF. If we're going to snap - //the radius then we should have a constrained snap. snap_knot_position() is unconstrained - Geom::Point const s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed), Geom::Point(-1, 0)), state); - - if (state & GDK_CONTROL_MASK) { - gdouble temp = MIN(rect->height.computed, rect->width.computed) / 2.0; - rect->rx = rect->ry = CLAMP(rect->x.computed + rect->width.computed - s[Geom::X], 0.0, temp); - } else { - rect->rx = CLAMP(rect->x.computed + rect->width.computed - s[Geom::X], 0.0, rect->width.computed / 2.0); - } - - update_knot(); - - rect->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -void -RectKnotHolderEntityRX::knot_click(unsigned int state) -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - if (state & GDK_SHIFT_MASK) { - /* remove rounding from rectangle */ - rect->getRepr()->setAttribute("rx", NULL); - rect->getRepr()->setAttribute("ry", NULL); - } else if (state & GDK_CONTROL_MASK) { - /* Ctrl-click sets the vertical rounding to be the same as the horizontal */ - rect->getRepr()->setAttribute("ry", rect->getRepr()->attribute("rx")); - } - -} - -Geom::Point -RectKnotHolderEntityRY::knot_get() const -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - return Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed + rect->ry.computed); -} - -void -RectKnotHolderEntityRY::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - //In general we cannot just snap this radius to an arbitrary point, as we have only a single - //degree of freedom. For snapping to an arbitrary point we need two DOF. If we're going to snap - //the radius then we should have a constrained snap. snap_knot_position() is unconstrained - Geom::Point const s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed), Geom::Point(0, 1)), state); - - if (state & GDK_CONTROL_MASK) { // When holding control then rx will be kept equal to ry, - // resulting in a perfect circle (and not an ellipse) - gdouble temp = MIN(rect->height.computed, rect->width.computed) / 2.0; - rect->rx = rect->ry = CLAMP(s[Geom::Y] - rect->y.computed, 0.0, temp); - } else { - if (!rect->rx._set || rect->rx.computed == 0) { - rect->ry = CLAMP(s[Geom::Y] - rect->y.computed, - 0.0, - MIN(rect->height.computed / 2.0, rect->width.computed / 2.0)); - } else { - rect->ry = CLAMP(s[Geom::Y] - rect->y.computed, - 0.0, - rect->height.computed / 2.0); - } - } - - update_knot(); - - rect->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -void -RectKnotHolderEntityRY::knot_click(unsigned int state) -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - if (state & GDK_SHIFT_MASK) { - /* remove rounding */ - rect->getRepr()->setAttribute("rx", NULL); - rect->getRepr()->setAttribute("ry", NULL); - } else if (state & GDK_CONTROL_MASK) { - /* Ctrl-click sets the vertical rounding to be the same as the horizontal */ - rect->getRepr()->setAttribute("rx", rect->getRepr()->attribute("ry")); - } -} - -#define SGN(x) ((x)>0?1:((x)<0?-1:0)) - -static void sp_rect_clamp_radii(SPRect *rect) -{ - // clamp rounding radii so that they do not exceed width/height - if (2 * rect->rx.computed > rect->width.computed) { - rect->rx = 0.5 * rect->width.computed; - } - if (2 * rect->ry.computed > rect->height.computed) { - rect->ry = 0.5 * rect->height.computed; - } -} - -Geom::Point -RectKnotHolderEntityWH::knot_get() const -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - return Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed + rect->height.computed); -} - -void -RectKnotHolderEntityWH::set_internal(Geom::Point const &p, Geom::Point const &origin, unsigned int state) -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - Geom::Point s = p; - - if (state & GDK_CONTROL_MASK) { - // original width/height when drag started - gdouble const w_orig = (origin[Geom::X] - rect->x.computed); - gdouble const h_orig = (origin[Geom::Y] - rect->y.computed); - - //original ratio - gdouble ratio = (w_orig / h_orig); - - // mouse displacement since drag started - gdouble minx = p[Geom::X] - origin[Geom::X]; - gdouble miny = p[Geom::Y] - origin[Geom::Y]; - - Geom::Point p_handle(rect->x.computed + rect->width.computed, rect->y.computed + rect->height.computed); - - if (fabs(minx) > fabs(miny)) { - // snap to horizontal or diagonal - if (minx != 0 && fabs(miny/minx) > 0.5 * 1/ratio && (SGN(minx) == SGN(miny))) { - // closer to the diagonal and in same-sign quarters, change both using ratio - s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(p_handle, Geom::Point(-ratio, -1)), state); - minx = s[Geom::X] - origin[Geom::X]; - // Dead assignment: Value stored to 'miny' is never read - //miny = s[Geom::Y] - origin[Geom::Y]; - rect->height = MAX(h_orig + minx / ratio, 0); - } else { - // closer to the horizontal, change only width, height is h_orig - s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(p_handle, Geom::Point(-1, 0)), state); - minx = s[Geom::X] - origin[Geom::X]; - // Dead assignment: Value stored to 'miny' is never read - //miny = s[Geom::Y] - origin[Geom::Y]; - rect->height = MAX(h_orig, 0); - } - rect->width = MAX(w_orig + minx, 0); - - } else { - // snap to vertical or diagonal - if (miny != 0 && fabs(minx/miny) > 0.5 * ratio && (SGN(minx) == SGN(miny))) { - // closer to the diagonal and in same-sign quarters, change both using ratio - s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(p_handle, Geom::Point(-ratio, -1)), state); - // Dead assignment: Value stored to 'minx' is never read - //minx = s[Geom::X] - origin[Geom::X]; - miny = s[Geom::Y] - origin[Geom::Y]; - rect->width = MAX(w_orig + miny * ratio, 0); - } else { - // closer to the vertical, change only height, width is w_orig - s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(p_handle, Geom::Point(0, -1)), state); - // Dead assignment: Value stored to 'minx' is never read - //minx = s[Geom::X] - origin[Geom::X]; - miny = s[Geom::Y] - origin[Geom::Y]; - rect->width = MAX(w_orig, 0); - } - rect->height = MAX(h_orig + miny, 0); - - } - - } else { - // move freely - s = snap_knot_position(p, state); - rect->width = MAX(s[Geom::X] - rect->x.computed, 0); - rect->height = MAX(s[Geom::Y] - rect->y.computed, 0); - } - - sp_rect_clamp_radii(rect); - - rect->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -void -RectKnotHolderEntityWH::knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state) -{ - set_internal(p, origin, state); - update_knot(); -} - -Geom::Point -RectKnotHolderEntityXY::knot_get() const -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - return Geom::Point(rect->x.computed, rect->y.computed); -} - -void -RectKnotHolderEntityXY::knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state) -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - // opposite corner (unmoved) - gdouble opposite_x = (rect->x.computed + rect->width.computed); - gdouble opposite_y = (rect->y.computed + rect->height.computed); - - // original width/height when drag started - gdouble w_orig = opposite_x - origin[Geom::X]; - gdouble h_orig = opposite_y - origin[Geom::Y]; - - Geom::Point s = p; - Geom::Point p_handle(rect->x.computed, rect->y.computed); - - // mouse displacement since drag started - gdouble minx = p[Geom::X] - origin[Geom::X]; - gdouble miny = p[Geom::Y] - origin[Geom::Y]; - - if (state & GDK_CONTROL_MASK) { - //original ratio - gdouble ratio = (w_orig / h_orig); - - if (fabs(minx) > fabs(miny)) { - // snap to horizontal or diagonal - if (minx != 0 && fabs(miny/minx) > 0.5 * 1/ratio && (SGN(minx) == SGN(miny))) { - // closer to the diagonal and in same-sign quarters, change both using ratio - s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(p_handle, Geom::Point(-ratio, -1)), state); - minx = s[Geom::X] - origin[Geom::X]; - // Dead assignment: Value stored to 'miny' is never read - //miny = s[Geom::Y] - origin[Geom::Y]; - rect->y = MIN(origin[Geom::Y] + minx / ratio, opposite_y); - rect->height = MAX(h_orig - minx / ratio, 0); - } else { - // closer to the horizontal, change only width, height is h_orig - s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(p_handle, Geom::Point(-1, 0)), state); - minx = s[Geom::X] - origin[Geom::X]; - // Dead assignment: Value stored to 'miny' is never read - //miny = s[Geom::Y] - origin[Geom::Y]; - rect->y = MIN(origin[Geom::Y], opposite_y); - rect->height = MAX(h_orig, 0); - } - rect->x = MIN(s[Geom::X], opposite_x); - rect->width = MAX(w_orig - minx, 0); - } else { - // snap to vertical or diagonal - if (miny != 0 && fabs(minx/miny) > 0.5 *ratio && (SGN(minx) == SGN(miny))) { - // closer to the diagonal and in same-sign quarters, change both using ratio - s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(p_handle, Geom::Point(-ratio, -1)), state); - // Dead assignment: Value stored to 'minx' is never read - //minx = s[Geom::X] - origin[Geom::X]; - miny = s[Geom::Y] - origin[Geom::Y]; - rect->x = MIN(origin[Geom::X] + miny * ratio, opposite_x); - rect->width = MAX(w_orig - miny * ratio, 0); - } else { - // closer to the vertical, change only height, width is w_orig - s = snap_knot_position_constrained(p, Inkscape::Snapper::SnapConstraint(p_handle, Geom::Point(0, -1)), state); - // Dead assignment: Value stored to 'minx' is never read - //minx = s[Geom::X] - origin[Geom::X]; - miny = s[Geom::Y] - origin[Geom::Y]; - rect->x = MIN(origin[Geom::X], opposite_x); - rect->width = MAX(w_orig, 0); - } - rect->y = MIN(s[Geom::Y], opposite_y); - rect->height = MAX(h_orig - miny, 0); - } - - } else { - // move freely - s = snap_knot_position(p, state); - minx = s[Geom::X] - origin[Geom::X]; - miny = s[Geom::Y] - origin[Geom::Y]; - - rect->x = MIN(s[Geom::X], opposite_x); - rect->y = MIN(s[Geom::Y], opposite_y); - rect->width = MAX(w_orig - minx, 0); - rect->height = MAX(h_orig - miny, 0); - } - - sp_rect_clamp_radii(rect); - - update_knot(); - - rect->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -Geom::Point -RectKnotHolderEntityCenter::knot_get() const -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - return Geom::Point(rect->x.computed + (rect->width.computed / 2.), rect->y.computed + (rect->height.computed / 2.)); -} - -void -RectKnotHolderEntityCenter::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPRect *rect = dynamic_cast<SPRect *>(item); - g_assert(rect != NULL); - - Geom::Point const s = snap_knot_position(p, state); - - rect->x = s[Geom::X] - (rect->width.computed / 2.); - rect->y = s[Geom::Y] - (rect->height.computed / 2.); - - // No need to call sp_rect_clamp_radii(): width and height haven't changed. - // No need to call update_knot(): the knot is set directly by the user. - - rect->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -RectKnotHolder::RectKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler) : - KnotHolder(desktop, item, relhandler) -{ - RectKnotHolderEntityRX *entity_rx = new RectKnotHolderEntityRX(); - RectKnotHolderEntityRY *entity_ry = new RectKnotHolderEntityRY(); - RectKnotHolderEntityWH *entity_wh = new RectKnotHolderEntityWH(); - RectKnotHolderEntityXY *entity_xy = new RectKnotHolderEntityXY(); - RectKnotHolderEntityCenter *entity_center = new RectKnotHolderEntityCenter(); - - entity_rx->create(desktop, item, this, Inkscape::CTRL_TYPE_ROTATE, - _("Adjust the <b>horizontal rounding</b> radius; with <b>Ctrl</b> " - "to make the vertical radius the same"), - SP_KNOT_SHAPE_CIRCLE, SP_KNOT_MODE_XOR); - - entity_ry->create(desktop, item, this, Inkscape::CTRL_TYPE_ROTATE, - _("Adjust the <b>vertical rounding</b> radius; with <b>Ctrl</b> " - "to make the horizontal radius the same"), - SP_KNOT_SHAPE_CIRCLE, SP_KNOT_MODE_XOR); - - entity_wh->create(desktop, item, this, Inkscape::CTRL_TYPE_SIZER, - _("Adjust the <b>width and height</b> of the rectangle; with <b>Ctrl</b> " - "to lock ratio or stretch in one dimension only"), - SP_KNOT_SHAPE_SQUARE, SP_KNOT_MODE_XOR); - - entity_xy->create(desktop, item, this, Inkscape::CTRL_TYPE_SIZER, - _("Adjust the <b>width and height</b> of the rectangle; with <b>Ctrl</b> " - "to lock ratio or stretch in one dimension only"), - SP_KNOT_SHAPE_SQUARE, SP_KNOT_MODE_XOR); - - entity_center->create(desktop, item, this, Inkscape::CTRL_TYPE_POINT, - _("Drag to move the rectangle"), - SP_KNOT_SHAPE_CROSS); - - entity.push_back(entity_rx); - entity.push_back(entity_ry); - entity.push_back(entity_wh); - entity.push_back(entity_xy); - entity.push_back(entity_center); - - add_pattern_knotholder(); -} - -/* Box3D (= the new 3D box structure) */ - -class Box3DKnotHolderEntity : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const = 0; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state) = 0; - - Geom::Point knot_get_generic(SPItem *item, unsigned int knot_id) const; - void knot_set_generic(SPItem *item, unsigned int knot_id, Geom::Point const &p, unsigned int state); -}; - -Geom::Point -Box3DKnotHolderEntity::knot_get_generic(SPItem *item, unsigned int knot_id) const -{ - SPBox3D *box = dynamic_cast<SPBox3D *>(item); - if (box) { - return box3d_get_corner_screen(box, knot_id); - } else { - return Geom::Point(); // TODO investigate proper fallback - } -} - -void -Box3DKnotHolderEntity::knot_set_generic(SPItem *item, unsigned int knot_id, Geom::Point const &new_pos, unsigned int state) -{ - Geom::Point const s = snap_knot_position(new_pos, state); - - g_assert(item != NULL); - SPBox3D *box = dynamic_cast<SPBox3D *>(item); - g_assert(box != NULL); - Geom::Affine const i2dt (item->i2dt_affine ()); - - Box3D::Axis movement; - if ((knot_id < 4) != (state & GDK_SHIFT_MASK)) { - movement = Box3D::XY; - } else { - movement = Box3D::Z; - } - - box3d_set_corner (box, knot_id, s * i2dt, movement, (state & GDK_CONTROL_MASK)); - box3d_set_z_orders(box); - box3d_position_set(box); -} - -class Box3DKnotHolderEntity0 : public Box3DKnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class Box3DKnotHolderEntity1 : public Box3DKnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class Box3DKnotHolderEntity2 : public Box3DKnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class Box3DKnotHolderEntity3 : public Box3DKnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class Box3DKnotHolderEntity4 : public Box3DKnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class Box3DKnotHolderEntity5 : public Box3DKnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class Box3DKnotHolderEntity6 : public Box3DKnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class Box3DKnotHolderEntity7 : public Box3DKnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class Box3DKnotHolderEntityCenter : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -Geom::Point -Box3DKnotHolderEntity0::knot_get() const -{ - return knot_get_generic(item, 0); -} - -Geom::Point -Box3DKnotHolderEntity1::knot_get() const -{ - return knot_get_generic(item, 1); -} - -Geom::Point -Box3DKnotHolderEntity2::knot_get() const -{ - return knot_get_generic(item, 2); -} - -Geom::Point -Box3DKnotHolderEntity3::knot_get() const -{ - return knot_get_generic(item, 3); -} - -Geom::Point -Box3DKnotHolderEntity4::knot_get() const -{ - return knot_get_generic(item, 4); -} - -Geom::Point -Box3DKnotHolderEntity5::knot_get() const -{ - return knot_get_generic(item, 5); -} - -Geom::Point -Box3DKnotHolderEntity6::knot_get() const -{ - return knot_get_generic(item, 6); -} - -Geom::Point -Box3DKnotHolderEntity7::knot_get() const -{ - return knot_get_generic(item, 7); -} - -Geom::Point -Box3DKnotHolderEntityCenter::knot_get() const -{ - SPBox3D *box = dynamic_cast<SPBox3D *>(item); - if (box) { - return box3d_get_center_screen(box); - } else { - return Geom::Point(); // TODO investigate proper fallback - } -} - -void -Box3DKnotHolderEntity0::knot_set(Geom::Point const &new_pos, Geom::Point const &/*origin*/, unsigned int state) -{ - knot_set_generic(item, 0, new_pos, state); -} - -void -Box3DKnotHolderEntity1::knot_set(Geom::Point const &new_pos, Geom::Point const &/*origin*/, unsigned int state) -{ - knot_set_generic(item, 1, new_pos, state); -} - -void -Box3DKnotHolderEntity2::knot_set(Geom::Point const &new_pos, Geom::Point const &/*origin*/, unsigned int state) -{ - knot_set_generic(item, 2, new_pos, state); -} - -void -Box3DKnotHolderEntity3::knot_set(Geom::Point const &new_pos, Geom::Point const &/*origin*/, unsigned int state) -{ - knot_set_generic(item, 3, new_pos, state); -} - -void -Box3DKnotHolderEntity4::knot_set(Geom::Point const &new_pos, Geom::Point const &/*origin*/, unsigned int state) -{ - knot_set_generic(item, 4, new_pos, state); -} - -void -Box3DKnotHolderEntity5::knot_set(Geom::Point const &new_pos, Geom::Point const &/*origin*/, unsigned int state) -{ - knot_set_generic(item, 5, new_pos, state); -} - -void -Box3DKnotHolderEntity6::knot_set(Geom::Point const &new_pos, Geom::Point const &/*origin*/, unsigned int state) -{ - knot_set_generic(item, 6, new_pos, state); -} - -void -Box3DKnotHolderEntity7::knot_set(Geom::Point const &new_pos, Geom::Point const &/*origin*/, unsigned int state) -{ - knot_set_generic(item, 7, new_pos, state); -} - -void -Box3DKnotHolderEntityCenter::knot_set(Geom::Point const &new_pos, Geom::Point const &origin, unsigned int state) -{ - Geom::Point const s = snap_knot_position(new_pos, state); - - SPBox3D *box = dynamic_cast<SPBox3D *>(item); - g_assert(box != NULL); - Geom::Affine const i2dt (item->i2dt_affine ()); - - box3d_set_center(box, s * i2dt, origin * i2dt, !(state & GDK_SHIFT_MASK) ? Box3D::XY : Box3D::Z, - state & GDK_CONTROL_MASK); - - box3d_set_z_orders(box); - box3d_position_set(box); -} - -Box3DKnotHolder::Box3DKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler) : - KnotHolder(desktop, item, relhandler) -{ - Box3DKnotHolderEntity0 *entity_corner0 = new Box3DKnotHolderEntity0(); - Box3DKnotHolderEntity1 *entity_corner1 = new Box3DKnotHolderEntity1(); - Box3DKnotHolderEntity2 *entity_corner2 = new Box3DKnotHolderEntity2(); - Box3DKnotHolderEntity3 *entity_corner3 = new Box3DKnotHolderEntity3(); - Box3DKnotHolderEntity4 *entity_corner4 = new Box3DKnotHolderEntity4(); - Box3DKnotHolderEntity5 *entity_corner5 = new Box3DKnotHolderEntity5(); - Box3DKnotHolderEntity6 *entity_corner6 = new Box3DKnotHolderEntity6(); - Box3DKnotHolderEntity7 *entity_corner7 = new Box3DKnotHolderEntity7(); - Box3DKnotHolderEntityCenter *entity_center = new Box3DKnotHolderEntityCenter(); - - entity_corner0->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Resize box in X/Y direction; with <b>Shift</b> along the Z axis; " - "with <b>Ctrl</b> to constrain to the directions of edges or diagonals")); - - entity_corner1->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Resize box in X/Y direction; with <b>Shift</b> along the Z axis; " - "with <b>Ctrl</b> to constrain to the directions of edges or diagonals")); - - entity_corner2->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Resize box in X/Y direction; with <b>Shift</b> along the Z axis; " - "with <b>Ctrl</b> to constrain to the directions of edges or diagonals")); - - entity_corner3->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Resize box in X/Y direction; with <b>Shift</b> along the Z axis; " - "with <b>Ctrl</b> to constrain to the directions of edges or diagonals")); - - entity_corner4->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Resize box along the Z axis; with <b>Shift</b> in X/Y direction; " - "with <b>Ctrl</b> to constrain to the directions of edges or diagonals")); - - entity_corner5->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Resize box along the Z axis; with <b>Shift</b> in X/Y direction; " - "with <b>Ctrl</b> to constrain to the directions of edges or diagonals")); - - entity_corner6->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Resize box along the Z axis; with <b>Shift</b> in X/Y direction; " - "with <b>Ctrl</b> to constrain to the directions of edges or diagonals")); - - entity_corner7->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Resize box along the Z axis; with <b>Shift</b> in X/Y direction; " - "with <b>Ctrl</b> to constrain to the directions of edges or diagonals")); - - entity_center->create(desktop, item, this, Inkscape::CTRL_TYPE_POINT, - _("Move the box in perspective"), - SP_KNOT_SHAPE_CROSS); - - entity.push_back(entity_corner0); - entity.push_back(entity_corner1); - entity.push_back(entity_corner2); - entity.push_back(entity_corner3); - entity.push_back(entity_corner4); - entity.push_back(entity_corner5); - entity.push_back(entity_corner6); - entity.push_back(entity_corner7); - entity.push_back(entity_center); - - add_pattern_knotholder(); -} - -/* SPArc */ - -class ArcKnotHolderEntityStart : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -class ArcKnotHolderEntityEnd : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -class ArcKnotHolderEntityRX : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -class ArcKnotHolderEntityRY : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -class ArcKnotHolderEntityCenter : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -/* - * return values: - * 1 : inside - * 0 : on the curves - * -1 : outside - */ -static gint -sp_genericellipse_side(SPGenericEllipse *ellipse, Geom::Point const &p) -{ - gdouble dx = (p[Geom::X] - ellipse->cx.computed) / ellipse->rx.computed; - gdouble dy = (p[Geom::Y] - ellipse->cy.computed) / ellipse->ry.computed; - - gdouble s = dx * dx + dy * dy; - // We add a bit of a buffer, so there's a decent chance the user will - // be able to adjust the arc without the closed status flipping between - // open and closed during micro mouse movements. - if (s < 0.75) return 1; - if (s > 1.25) return -1; - return 0; -} - -void -ArcKnotHolderEntityStart::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - int snaps = Inkscape::Preferences::get()->getInt("/options/rotationsnapsperpi/value", 12); - - SPGenericEllipse *arc = dynamic_cast<SPGenericEllipse *>(item); - g_assert(arc != NULL); - - gint side = sp_genericellipse_side(arc, p); - if(side != 0) { arc->setArcType( (side == -1) ? - SP_GENERIC_ELLIPSE_ARC_TYPE_SLICE : - SP_GENERIC_ELLIPSE_ARC_TYPE_ARC); } - - Geom::Point delta = p - Geom::Point(arc->cx.computed, arc->cy.computed); - Geom::Scale sc(arc->rx.computed, arc->ry.computed); - - double offset = arc->start - atan2(delta * sc.inverse()); - arc->start -= offset; - - if ((state & GDK_CONTROL_MASK) && snaps) { - arc->start = sp_round(arc->start, M_PI / snaps); - } - if (state & GDK_SHIFT_MASK) { - arc->end -= offset; - } - - arc->normalize(); - arc->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -Geom::Point -ArcKnotHolderEntityStart::knot_get() const -{ - SPGenericEllipse const *ge = dynamic_cast<SPGenericEllipse const *>(item); - g_assert(ge != NULL); - - return ge->getPointAtAngle(ge->start); -} - -void -ArcKnotHolderEntityStart::knot_click(unsigned int state) -{ - SPGenericEllipse *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - if (state & GDK_SHIFT_MASK) { - ge->end = ge->start = 0; - ge->updateRepr(); - } -} - -void -ArcKnotHolderEntityEnd::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - int snaps = Inkscape::Preferences::get()->getInt("/options/rotationsnapsperpi/value", 12); - - SPGenericEllipse *arc = dynamic_cast<SPGenericEllipse *>(item); - g_assert(arc != NULL); - - gint side = sp_genericellipse_side(arc, p); - if(side != 0) { arc->setArcType( (side == -1) ? - SP_GENERIC_ELLIPSE_ARC_TYPE_SLICE : - SP_GENERIC_ELLIPSE_ARC_TYPE_ARC); } - - Geom::Point delta = p - Geom::Point(arc->cx.computed, arc->cy.computed); - Geom::Scale sc(arc->rx.computed, arc->ry.computed); - - double offset = arc->end - atan2(delta * sc.inverse()); - arc->end -= offset; - - if ((state & GDK_CONTROL_MASK) && snaps) { - arc->end = sp_round(arc->end, M_PI/snaps); - } - if (state & GDK_SHIFT_MASK) { - arc->start -= offset; - } - - arc->normalize(); - arc->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -Geom::Point -ArcKnotHolderEntityEnd::knot_get() const -{ - SPGenericEllipse const *ge = dynamic_cast<SPGenericEllipse const *>(item); - g_assert(ge != NULL); - - return ge->getPointAtAngle(ge->end); -} - - -void -ArcKnotHolderEntityEnd::knot_click(unsigned int state) -{ - SPGenericEllipse *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - if (state & GDK_SHIFT_MASK) { - ge->end = ge->start = 0; - ge->updateRepr(); - } -} - - -void -ArcKnotHolderEntityRX::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPGenericEllipse *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - Geom::Point const s = snap_knot_position(p, state); - - ge->rx = fabs( ge->cx.computed - s[Geom::X] ); - - if ( state & GDK_CONTROL_MASK ) { - ge->ry = ge->rx.computed; - } - - item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -Geom::Point -ArcKnotHolderEntityRX::knot_get() const -{ - SPGenericEllipse const *ge = dynamic_cast<SPGenericEllipse const *>(item); - g_assert(ge != NULL); - - return (Geom::Point(ge->cx.computed, ge->cy.computed) - Geom::Point(ge->rx.computed, 0)); -} - -void -ArcKnotHolderEntityRX::knot_click(unsigned int state) -{ - SPGenericEllipse *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - if (state & GDK_CONTROL_MASK) { - ge->ry = ge->rx.computed; - ge->updateRepr(); - } -} - -void -ArcKnotHolderEntityRY::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPGenericEllipse *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - Geom::Point const s = snap_knot_position(p, state); - - ge->ry = fabs( ge->cy.computed - s[Geom::Y] ); - - if ( state & GDK_CONTROL_MASK ) { - ge->rx = ge->ry.computed; - } - - item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -Geom::Point -ArcKnotHolderEntityRY::knot_get() const -{ - SPGenericEllipse const *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - return (Geom::Point(ge->cx.computed, ge->cy.computed) - Geom::Point(0, ge->ry.computed)); -} - -void -ArcKnotHolderEntityRY::knot_click(unsigned int state) -{ - SPGenericEllipse *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - if (state & GDK_CONTROL_MASK) { - ge->rx = ge->ry.computed; - ge->updateRepr(); - } -} - -void -ArcKnotHolderEntityCenter::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPGenericEllipse *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - Geom::Point const s = snap_knot_position(p, state); - - ge->cx = s[Geom::X]; - ge->cy = s[Geom::Y]; - - item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -Geom::Point -ArcKnotHolderEntityCenter::knot_get() const -{ - SPGenericEllipse const *ge = dynamic_cast<SPGenericEllipse *>(item); - g_assert(ge != NULL); - - return Geom::Point(ge->cx.computed, ge->cy.computed); -} - - -ArcKnotHolder::ArcKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler) : - KnotHolder(desktop, item, relhandler) -{ - ArcKnotHolderEntityRX *entity_rx = new ArcKnotHolderEntityRX(); - ArcKnotHolderEntityRY *entity_ry = new ArcKnotHolderEntityRY(); - ArcKnotHolderEntityStart *entity_start = new ArcKnotHolderEntityStart(); - ArcKnotHolderEntityEnd *entity_end = new ArcKnotHolderEntityEnd(); - ArcKnotHolderEntityCenter *entity_center = new ArcKnotHolderEntityCenter(); - - entity_rx->create(desktop, item, this, Inkscape::CTRL_TYPE_SIZER, - _("Adjust ellipse <b>width</b>, with <b>Ctrl</b> to make circle"), - SP_KNOT_SHAPE_SQUARE, SP_KNOT_MODE_XOR); - - entity_ry->create(desktop, item, this, Inkscape::CTRL_TYPE_SIZER, - _("Adjust ellipse <b>height</b>, with <b>Ctrl</b> to make circle"), - SP_KNOT_SHAPE_SQUARE, SP_KNOT_MODE_XOR); - - entity_start->create(desktop, item, this, Inkscape::CTRL_TYPE_ROTATE, - _("Position the <b>start point</b> of the arc or segment; with <b>Shift</b> to move " - "with <b>end point</b>; with <b>Ctrl</b> to snap angle; drag <b>inside</b> the " - "ellipse for arc, <b>outside</b> for segment"), - SP_KNOT_SHAPE_CIRCLE, SP_KNOT_MODE_XOR); - - entity_end->create(desktop, item, this, Inkscape::CTRL_TYPE_ROTATE, - _("Position the <b>end point</b> of the arc or segment; with <b>Shift</b> to move " - "with <b>start point</b>; with <b>Ctrl</b> to snap angle; drag <b>inside</b> the " - "ellipse for arc, <b>outside</b> for segment"), - SP_KNOT_SHAPE_CIRCLE, SP_KNOT_MODE_XOR); - - entity_center->create(desktop, item, this, Inkscape::CTRL_TYPE_POINT, - _("Drag to move the ellipse"), - SP_KNOT_SHAPE_CROSS); - - entity.push_back(entity_rx); - entity.push_back(entity_ry); - entity.push_back(entity_start); - entity.push_back(entity_end); - entity.push_back(entity_center); - - add_pattern_knotholder(); -} - -/* SPStar */ - -class StarKnotHolderEntity1 : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -class StarKnotHolderEntity2 : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -class StarKnotHolderEntityCenter : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -void -StarKnotHolderEntity1::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPStar *star = dynamic_cast<SPStar *>(item); - g_assert(star != NULL); - - Geom::Point const s = snap_knot_position(p, state); - - Geom::Point d = s - star->center; - - double arg1 = atan2(d); - double darg1 = arg1 - star->arg[0]; - - if (state & GDK_MOD1_MASK) { - star->randomized = darg1/(star->arg[0] - star->arg[1]); - } else if (state & GDK_SHIFT_MASK) { - star->rounded = darg1/(star->arg[0] - star->arg[1]); - } else if (state & GDK_CONTROL_MASK) { - star->r[0] = L2(d); - } else { - star->r[0] = L2(d); - star->arg[0] = arg1; - star->arg[1] += darg1; - } - star->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -void -StarKnotHolderEntity2::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPStar *star = dynamic_cast<SPStar *>(item); - g_assert(star != NULL); - - Geom::Point const s = snap_knot_position(p, state); - - if (star->flatsided == false) { - Geom::Point d = s - star->center; - - double arg1 = atan2(d); - double darg1 = arg1 - star->arg[1]; - - if (state & GDK_MOD1_MASK) { - star->randomized = darg1/(star->arg[0] - star->arg[1]); - } else if (state & GDK_SHIFT_MASK) { - star->rounded = fabs(darg1/(star->arg[0] - star->arg[1])); - } else if (state & GDK_CONTROL_MASK) { - star->r[1] = L2(d); - star->arg[1] = star->arg[0] + M_PI / star->sides; - } - else { - star->r[1] = L2(d); - star->arg[1] = atan2(d); - } - star->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); - } -} - -void -StarKnotHolderEntityCenter::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPStar *star = dynamic_cast<SPStar *>(item); - g_assert(star != NULL); - - star->center = snap_knot_position(p, state); - - item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -Geom::Point -StarKnotHolderEntity1::knot_get() const -{ - g_assert(item != NULL); - - SPStar const *star = dynamic_cast<SPStar const *>(item); - g_assert(star != NULL); - - return sp_star_get_xy(star, SP_STAR_POINT_KNOT1, 0); - -} - -Geom::Point -StarKnotHolderEntity2::knot_get() const -{ - g_assert(item != NULL); - - SPStar const *star = dynamic_cast<SPStar const *>(item); - g_assert(star != NULL); - - return sp_star_get_xy(star, SP_STAR_POINT_KNOT2, 0); -} - -Geom::Point -StarKnotHolderEntityCenter::knot_get() const -{ - g_assert(item != NULL); - - SPStar const *star = dynamic_cast<SPStar const *>(item); - g_assert(star != NULL); - - return star->center; -} - -static void -sp_star_knot_click(SPItem *item, unsigned int state) -{ - SPStar *star = dynamic_cast<SPStar *>(item); - g_assert(star != NULL); - - if (state & GDK_MOD1_MASK) { - star->randomized = 0; - star->updateRepr(); - } else if (state & GDK_SHIFT_MASK) { - star->rounded = 0; - star->updateRepr(); - } else if (state & GDK_CONTROL_MASK) { - star->arg[1] = star->arg[0] + M_PI / star->sides; - star->updateRepr(); - } -} - -void -StarKnotHolderEntity1::knot_click(unsigned int state) -{ - sp_star_knot_click(item, state); -} - -void -StarKnotHolderEntity2::knot_click(unsigned int state) -{ - sp_star_knot_click(item, state); -} - -StarKnotHolder::StarKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler) : - KnotHolder(desktop, item, relhandler) -{ - SPStar *star = dynamic_cast<SPStar *>(item); - g_assert(item != NULL); - - StarKnotHolderEntity1 *entity1 = new StarKnotHolderEntity1(); - entity1->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Adjust the <b>tip radius</b> of the star or polygon; " - "with <b>Shift</b> to round; with <b>Alt</b> to randomize")); - - entity.push_back(entity1); - - if (star->flatsided == false) { - StarKnotHolderEntity2 *entity2 = new StarKnotHolderEntity2(); - entity2->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Adjust the <b>base radius</b> of the star; with <b>Ctrl</b> to keep star rays " - "radial (no skew); with <b>Shift</b> to round; with <b>Alt</b> to randomize")); - entity.push_back(entity2); - } - - StarKnotHolderEntityCenter *entity_center = new StarKnotHolderEntityCenter(); - entity_center->create(desktop, item, this, Inkscape::CTRL_TYPE_POINT, - _("Drag to move the star"), - SP_KNOT_SHAPE_CROSS); - entity.push_back(entity_center); - - add_pattern_knotholder(); -} - -/* SPSpiral */ - -class SpiralKnotHolderEntityInner : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); - virtual void knot_click(unsigned int state); -}; - -class SpiralKnotHolderEntityOuter : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -class SpiralKnotHolderEntityCenter : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - - -/* - * set attributes via inner (t=t0) knot point: - * [default] increase/decrease inner point - * [shift] increase/decrease inner and outer arg synchronizely - * [control] constrain inner arg to round per PI/4 - */ -void -SpiralKnotHolderEntityInner::knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state) -{ - Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - int snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12); - - SPSpiral *spiral = dynamic_cast<SPSpiral *>(item); - g_assert(spiral != NULL); - - gdouble dx = p[Geom::X] - spiral->cx; - gdouble dy = p[Geom::Y] - spiral->cy; - - gdouble moved_y = p[Geom::Y] - origin[Geom::Y]; - - if (state & GDK_MOD1_MASK) { - // adjust divergence by vertical drag, relative to rad - if (spiral->rad > 0) { - double exp_delta = 0.1*moved_y/(spiral->rad); // arbitrary multiplier to slow it down - spiral->exp += exp_delta; - if (spiral->exp < 1e-3) - spiral->exp = 1e-3; - } - } else { - // roll/unroll from inside - gdouble arg_t0; - spiral->getPolar(spiral->t0, NULL, &arg_t0); - - gdouble arg_tmp = atan2(dy, dx) - arg_t0; - gdouble arg_t0_new = arg_tmp - floor((arg_tmp+M_PI)/(2.0*M_PI))*2.0*M_PI + arg_t0; - spiral->t0 = (arg_t0_new - spiral->arg) / (2.0*M_PI*spiral->revo); - - /* round inner arg per PI/snaps, if CTRL is pressed */ - if ( ( state & GDK_CONTROL_MASK ) - && ( fabs(spiral->revo) > SP_EPSILON_2 ) - && ( snaps != 0 ) ) { - gdouble arg = 2.0*M_PI*spiral->revo*spiral->t0 + spiral->arg; - spiral->t0 = (sp_round(arg, M_PI/snaps) - spiral->arg)/(2.0*M_PI*spiral->revo); - } - - spiral->t0 = CLAMP(spiral->t0, 0.0, 0.999); - } - - spiral->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -/* - * set attributes via outer (t=1) knot point: - * [default] increase/decrease revolution factor - * [control] constrain inner arg to round per PI/4 - */ -void -SpiralKnotHolderEntityOuter::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - int snaps = prefs->getInt("/options/rotationsnapsperpi/value", 12); - - SPSpiral *spiral = dynamic_cast<SPSpiral *>(item); - g_assert(spiral != NULL); - - gdouble dx = p[Geom::X] - spiral->cx; - gdouble dy = p[Geom::Y] - spiral->cy; - - if (state & GDK_SHIFT_MASK) { // rotate without roll/unroll - spiral->arg = atan2(dy, dx) - 2.0*M_PI*spiral->revo; - if (!(state & GDK_MOD1_MASK)) { - // if alt not pressed, change also rad; otherwise it is locked - spiral->rad = MAX(hypot(dx, dy), 0.001); - } - if ( ( state & GDK_CONTROL_MASK ) - && snaps ) { - spiral->arg = sp_round(spiral->arg, M_PI/snaps); - } - } else { // roll/unroll - // arg of the spiral outer end - double arg_1; - spiral->getPolar(1, NULL, &arg_1); - - // its fractional part after the whole turns are subtracted - double arg_r = arg_1 - sp_round(arg_1, 2.0*M_PI); - - // arg of the mouse point relative to spiral center - double mouse_angle = atan2(dy, dx); - if (mouse_angle < 0) - mouse_angle += 2*M_PI; - - // snap if ctrl - if ( ( state & GDK_CONTROL_MASK ) && snaps ) { - mouse_angle = sp_round(mouse_angle, M_PI/snaps); - } - - // by how much we want to rotate the outer point - double diff = mouse_angle - arg_r; - if (diff > M_PI) - diff -= 2*M_PI; - else if (diff < -M_PI) - diff += 2*M_PI; - - // calculate the new rad; - // the value of t corresponding to the angle arg_1 + diff: - double t_temp = ((arg_1 + diff) - spiral->arg)/(2*M_PI*spiral->revo); - // the rad at that t: - double rad_new = 0; - if (t_temp > spiral->t0) - spiral->getPolar(t_temp, &rad_new, NULL); - - // change the revo (converting diff from radians to the number of turns) - spiral->revo += diff/(2*M_PI); - if (spiral->revo < 1e-3) - spiral->revo = 1e-3; - - // if alt not pressed and the values are sane, change the rad - if (!(state & GDK_MOD1_MASK) && rad_new > 1e-3 && rad_new/spiral->rad < 2) { - // adjust t0 too so that the inner point stays unmoved - double r0; - spiral->getPolar(spiral->t0, &r0, NULL); - spiral->rad = rad_new; - spiral->t0 = pow(r0 / spiral->rad, 1.0/spiral->exp); - } - if (!IS_FINITE(spiral->t0)) spiral->t0 = 0.0; - spiral->t0 = CLAMP(spiral->t0, 0.0, 0.999); - } - - spiral->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -void -SpiralKnotHolderEntityCenter::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPSpiral *spiral = dynamic_cast<SPSpiral *>(item); - g_assert(spiral != NULL); - - Geom::Point const s = snap_knot_position(p, state); - - spiral->cx = s[Geom::X]; - spiral->cy = s[Geom::Y]; - - spiral->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - -Geom::Point -SpiralKnotHolderEntityInner::knot_get() const -{ - SPSpiral const *spiral = dynamic_cast<SPSpiral const *>(item); - g_assert(spiral != NULL); - - return spiral->getXY(spiral->t0); -} - -Geom::Point -SpiralKnotHolderEntityOuter::knot_get() const -{ - SPSpiral const *spiral = dynamic_cast<SPSpiral const *>(item); - g_assert(spiral != NULL); - - return spiral->getXY(1.0); -} - -Geom::Point -SpiralKnotHolderEntityCenter::knot_get() const -{ - SPSpiral const *spiral = dynamic_cast<SPSpiral const *>(item); - g_assert(spiral != NULL); - - return Geom::Point(spiral->cx, spiral->cy); -} - -void -SpiralKnotHolderEntityInner::knot_click(unsigned int state) -{ - SPSpiral *spiral = dynamic_cast<SPSpiral *>(item); - g_assert(spiral != NULL); - - if (state & GDK_MOD1_MASK) { - spiral->exp = 1; - spiral->updateRepr(); - } else if (state & GDK_SHIFT_MASK) { - spiral->t0 = 0; - spiral->updateRepr(); - } -} - -SpiralKnotHolder::SpiralKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler) : - KnotHolder(desktop, item, relhandler) -{ - SpiralKnotHolderEntityCenter *entity_center = new SpiralKnotHolderEntityCenter(); - SpiralKnotHolderEntityInner *entity_inner = new SpiralKnotHolderEntityInner(); - SpiralKnotHolderEntityOuter *entity_outer = new SpiralKnotHolderEntityOuter(); - - // NOTE: entity_central and entity_inner can overlap. - // - // In that case it would be a problem if the center control point was ON - // TOP because it would steal the mouse focus and the user would loose the - // ability to access the inner control point using only the mouse. - // - // However if the inner control point is ON TOP, taking focus, the - // situation is a lot better: the user can still move the inner control - // point with the mouse to regain access to the center control point. - // - // So, create entity_inner AFTER entity_center; this ensures that - // entity_inner gets rendered ON TOP. - entity_center->create(desktop, item, this, Inkscape::CTRL_TYPE_POINT, - _("Drag to move the spiral"), - SP_KNOT_SHAPE_CROSS); - - entity_inner->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Roll/unroll the spiral from <b>inside</b>; with <b>Ctrl</b> to snap angle; " - "with <b>Alt</b> to converge/diverge")); - - entity_outer->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Roll/unroll the spiral from <b>outside</b>; with <b>Ctrl</b> to snap angle; " - "with <b>Shift</b> to scale/rotate; with <b>Alt</b> to lock radius")); - - entity.push_back(entity_center); - entity.push_back(entity_inner); - entity.push_back(entity_outer); - - add_pattern_knotholder(); -} - -/* SPOffset */ - -class OffsetKnotHolderEntity : public KnotHolderEntity { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -void -OffsetKnotHolderEntity::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, unsigned int state) -{ - SPOffset *offset = dynamic_cast<SPOffset *>(item); - g_assert(offset != NULL); - - Geom::Point const p_snapped = snap_knot_position(p, state); - - offset->rad = sp_offset_distance_to_original(offset, p_snapped); - offset->knot = p_snapped; - offset->knotSet = true; - - offset->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG); -} - - -Geom::Point -OffsetKnotHolderEntity::knot_get() const -{ - SPOffset const *offset = dynamic_cast<SPOffset const *>(item); - g_assert(offset != NULL); - - Geom::Point np; - sp_offset_top_point(offset,&np); - return np; -} - -OffsetKnotHolder::OffsetKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler) : - KnotHolder(desktop, item, relhandler) -{ - OffsetKnotHolderEntity *entity_offset = new OffsetKnotHolderEntity(); - entity_offset->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Adjust the <b>offset distance</b>")); - entity.push_back(entity_offset); - - add_pattern_knotholder(); -} - -// TODO: this is derived from RectKnotHolderEntityWH because it used the same static function -// set_internal as the latter before KnotHolderEntity was C++ified. Check whether this also makes -// sense logically. -class FlowtextKnotHolderEntity : public RectKnotHolderEntityWH { -public: - virtual Geom::Point knot_get() const; - virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state); -}; - -Geom::Point -FlowtextKnotHolderEntity::knot_get() const -{ - SPRect const *rect = dynamic_cast<SPRect const *>(item); - g_assert(rect != NULL); - - return Geom::Point(rect->x.computed + rect->width.computed, rect->y.computed + rect->height.computed); -} - -void -FlowtextKnotHolderEntity::knot_set(Geom::Point const &p, Geom::Point const &origin, unsigned int state) -{ - set_internal(p, origin, state); -} - -FlowtextKnotHolder::FlowtextKnotHolder(SPDesktop *desktop, SPItem *item, SPKnotHolderReleasedFunc relhandler) : - KnotHolder(desktop, item, relhandler) -{ - g_assert(item != NULL); - - FlowtextKnotHolderEntity *entity_flowtext = new FlowtextKnotHolderEntity(); - entity_flowtext->create(desktop, item, this, Inkscape::CTRL_TYPE_SHAPER, - _("Drag to resize the <b>flowed text frame</b>")); - entity.push_back(entity_flowtext); -} - -/* - Local Variables: - mode:c++ - c-file-style:"stroustrup" - c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) - indent-tabs-mode:nil - fill-column:99 - End: -*/ -// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |