X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fsp-item.h;h=4ba3dc7a45788a5a2714364c3131566aac9f34f6;hb=9dc68827cbd515262ecb8d5ae8547d9e82c72e00;hp=e87554bfb567f2ad433c2191f7daa2f0931ea0bb;hpb=e7738cc5a9b584732fd9c1ac8264cab33f8a27a2;p=inkscape.git diff --git a/src/sp-item.h b/src/sp-item.h index e87554bfb..4ba3dc7a4 100644 --- a/src/sp-item.h +++ b/src/sp-item.h @@ -1,5 +1,5 @@ -#ifndef __SP_ITEM_H__ -#define __SP_ITEM_H__ +#ifndef SEEN_SP_ITEM_H +#define SEEN_SP_ITEM_H /** \file * Some things pertinent to all visible shapes: SPItem, SPItemView, SPItemCtx, SPItemClass, SPEvent. @@ -10,6 +10,7 @@ * Lauris Kaplinski * bulia byak * Johan Engelen + * Abhishek Sharma * * Copyright (C) 1999-2006 authors * Copyright (C) 2001-2002 Ximian, Inc. @@ -21,16 +22,20 @@ #include "display/nr-arena-forward.h" #include "sp-object.h" -#include +#include <2geom/matrix.h> #include +#include <2geom/forward.h> +#include +#include +#include "snap-candidate.h" class SPGuideConstraint; struct SPClipPathReference; struct SPMaskReference; struct SPAvoidRef; struct SPPrintContext; -namespace Inkscape { class URIReference; } - +namespace Inkscape { class URIReference;} + enum { SP_EVENT_INVALID, SP_EVENT_NONE, @@ -49,15 +54,15 @@ enum { * Also, this probably goes to SPObject base class. * */ -struct SPEvent { +class SPEvent { +public: unsigned int type; gpointer data; }; -class SPItemView; - /// SPItemView -struct SPItemView { +class SPItemView { +public: SPItemView *next; unsigned int flags; unsigned int key; @@ -71,29 +76,39 @@ struct SPItemView { #define SP_ITEM_SHOW_DISPLAY (1 << 0) /** - * Flag for referenced views (i.e. markers, clippaths, masks and patterns); + * Flag for referenced views (i.e. markers, clippaths, masks and patterns); currently unused, does the same as DISPLAY */ #define SP_ITEM_REFERENCE_FLAGS (1 << 1) -class SPItemCtx; - /// Contains transformations to document/viewport and the viewport size. -struct SPItemCtx { +class SPItemCtx { +public: SPCtx ctx; /** Item to document transformation */ - NR::Matrix i2doc; + Geom::Matrix i2doc; /** Viewport size */ NRRect vp; /** Item to viewport transformation */ - NR::Matrix i2vp; + Geom::Matrix i2vp; }; +class SPItem; +class SPItemClass; + +#define SP_TYPE_ITEM (SPItem::getType ()) +#define SP_ITEM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_ITEM, SPItem)) +#define SP_ITEM_CLASS(clazz) (G_TYPE_CHECK_CLASS_CAST((clazz), SP_TYPE_ITEM, SPItemClass)) +#define SP_IS_ITEM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_ITEM)) + + /** Abstract base class for all visible shapes. */ -struct SPItem : public SPObject { +class SPItem : public SPObject { +public: + static GType getType(); enum BBoxType { // legacy behavior: includes crude stroke, markers; excludes long miters, blur margin; is known to be wrong for caps - APPROXIMATE_BBOX, + APPROXIMATE_BBOX, // includes only the bare path bbox, no stroke, no nothing GEOMETRIC_BBOX, // includes everything: correctly done stroke (with proper miters and caps), markers, filter margins (e.g. blur) @@ -105,61 +120,91 @@ struct SPItem : public SPObject { double transform_center_x; double transform_center_y; - NR::Matrix transform; - + Geom::Matrix transform; + SPClipPathReference *clip_ref; SPMaskReference *mask_ref; - + // Used for object-avoiding connectors SPAvoidRef *avoidRef; - + SPItemView *display; - + std::vector constraints; - - sigc::signal _transformed_signal; - void init(); + sigc::signal _transformed_signal; + + void init(); bool isLocked() const; void setLocked(bool lock); - + bool isHidden() const; void setHidden(bool hidden); bool isEvaluated() const; void setEvaluated(bool visible); void resetEvaluated(); - + bool isHidden(unsigned display_key) const; - + bool isExplicitlyHidden() const; - + void setExplicitlyHidden(bool val); - void setCenter(NR::Point object_centre); + void setCenter(Geom::Point object_centre); void unsetCenter(); bool isCenterSet(); - NR::Point getCenter() const; + Geom::Point getCenter() const; bool isVisibleAndUnlocked() const; - + bool isVisibleAndUnlocked(unsigned display_key) const; - - NR::Matrix getRelativeTransform(SPObject const *obj) const; - + + Geom::Matrix getRelativeTransform(SPObject const *obj) const; + void raiseOne(); void lowerOne(); void raiseToTop(); void lowerToBottom(); - NR::Maybe getBounds(NR::Matrix const &transform, BBoxType type=APPROXIMATE_BBOX, unsigned int dkey=0) const; + Geom::OptRect getBounds(Geom::Matrix const &transform, BBoxType type=APPROXIMATE_BBOX, unsigned int dkey=0) const; sigc::connection _clip_ref_connection; sigc::connection _mask_ref_connection; - sigc::connection connectTransformed(sigc::slot slot) { + sigc::connection connectTransformed(sigc::slot slot) { return _transformed_signal.connect(slot); } + void invoke_bbox( Geom::OptRect &bbox, Geom::Matrix const &transform, unsigned const clear, SPItem::BBoxType type = SPItem::APPROXIMATE_BBOX); + void invoke_bbox( NRRect *bbox, Geom::Matrix const &transform, unsigned const clear, SPItem::BBoxType type = SPItem::APPROXIMATE_BBOX) __attribute__ ((deprecated)); + void invoke_bbox_full( Geom::OptRect &bbox, Geom::Matrix const &transform, unsigned const flags, unsigned const clear) const; + void invoke_bbox_full( NRRect *bbox, Geom::Matrix const &transform, unsigned const flags, unsigned const clear) __attribute__ ((deprecated)); + + unsigned pos_in_parent(); + gchar *description(); + void invoke_print(SPPrintContext *ctx); + static unsigned int display_key_new(unsigned int numkeys); + NRArenaItem *invoke_show(NRArena *arena, unsigned int key, unsigned int flags); + void invoke_hide(unsigned int key); + void getSnappoints(std::vector &p, Inkscape::SnapPreferences const *snapprefs=0) const; + void adjust_pattern(/* Geom::Matrix const &premul, */ Geom::Matrix const &postmul, bool set = false); + void adjust_gradient(/* Geom::Matrix const &premul, */ Geom::Matrix const &postmul, bool set = false); + void adjust_stroke(gdouble ex); + void adjust_stroke_width_recursive(gdouble ex); + void adjust_paint_recursive(Geom::Matrix advertized_transform, Geom::Matrix t_ancestors, bool is_pattern); + void adjust_livepatheffect(Geom::Matrix const &postmul, bool set = false); + void doWriteTransform(Inkscape::XML::Node *repr, Geom::Matrix const &transform, Geom::Matrix const *adv = NULL, bool compensate = true); + void set_item_transform(Geom::Matrix const &transform_matrix); + void convert_item_to_guides(); + gint emitEvent (SPEvent &event); + NRArenaItem *get_arenaitem(unsigned int key); + void getBboxDesktop(NRRect *bbox, SPItem::BBoxType type = SPItem::APPROXIMATE_BBOX) __attribute__ ((deprecated)); + Geom::OptRect getBboxDesktop(SPItem::BBoxType type = SPItem::APPROXIMATE_BBOX); + Geom::Matrix i2doc_affine() const; + Geom::Matrix i2d_affine() const; + void set_i2d_affine(Geom::Matrix const &transform); + Geom::Matrix dt2i_affine() const; + void convert_to_guides(); private: enum EvaluatedStatus @@ -169,91 +214,69 @@ private: mutable bool _is_evaluated; mutable EvaluatedStatus _evaluated_status; -}; -typedef std::back_insert_iterator > SnapPointsIter; + static void sp_item_init(SPItem *item); + + static void sp_item_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr); + static void sp_item_release(SPObject *object); + static void sp_item_set(SPObject *object, unsigned key, gchar const *value); + static void sp_item_update(SPObject *object, SPCtx *ctx, guint flags); + static Inkscape::XML::Node *sp_item_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags); + + static gchar *sp_item_private_description(SPItem *item); + static void sp_item_private_snappoints(SPItem const *item, std::vector &p, Inkscape::SnapPreferences const *snapprefs); + + static SPItemView *sp_item_view_new_prepend(SPItemView *list, SPItem *item, unsigned flags, unsigned key, NRArenaItem *arenaitem); + static SPItemView *sp_item_view_list_remove(SPItemView *list, SPItemView *view); + static void clip_ref_changed(SPObject *old_clip, SPObject *clip, SPItem *item); + static void mask_ref_changed(SPObject *old_clip, SPObject *clip, SPItem *item); + + friend class SPItemClass; +}; /// The SPItem vtable. -struct SPItemClass { +class SPItemClass { +public: SPObjectClass parent_class; /** BBox union in given coordinate system */ - void (* bbox) (SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const flags); - + void (* bbox) (SPItem const *item, NRRect *bbox, Geom::Matrix const &transform, unsigned const flags); + /** Printing method. Assumes ctm is set to item affine matrix */ /* \todo Think about it, and maybe implement generic export method instead (Lauris) */ void (* print) (SPItem *item, SPPrintContext *ctx); - + /** Give short description of item (for status display) */ gchar * (* description) (SPItem * item); - + NRArenaItem * (* show) (SPItem *item, NRArena *arena, unsigned int key, unsigned int flags); void (* hide) (SPItem *item, unsigned int key); - + /** Write to an iterator the points that should be considered for snapping * as the item's `nodes'. */ - void (* snappoints) (SPItem const *item, SnapPointsIter p); - - /** Apply the transform optimally, and return any residual transformation */ - NR::Matrix (* set_transform)(SPItem *item, NR::Matrix const &transform); - - /** Emit event, if applicable */ - gint (* event) (SPItem *item, SPEvent *event); -}; - -/* Flag testing macros */ - -#define SP_ITEM_STOP_PAINT(i) (SP_ITEM (i)->stop_paint) - -/* Methods */ - -void sp_item_invoke_bbox(SPItem const *item, NR::Maybe *bbox, NR::Matrix const &transform, unsigned const clear, SPItem::BBoxType type = SPItem::APPROXIMATE_BBOX); -void sp_item_invoke_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const clear, SPItem::BBoxType type = SPItem::APPROXIMATE_BBOX) __attribute__ ((deprecated)); -void sp_item_invoke_bbox_full(SPItem const *item, NR::Maybe *bbox, NR::Matrix const &transform, unsigned const flags, unsigned const clear); -void sp_item_invoke_bbox_full(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const flags, unsigned const clear) __attribute__ ((deprecated)); + void (* snappoints) (SPItem const *item, std::vector &p, Inkscape::SnapPreferences const *snapprefs); -unsigned sp_item_pos_in_parent(SPItem *item); - -gchar *sp_item_description(SPItem * item); -void sp_item_invoke_print(SPItem *item, SPPrintContext *ctx); - -/** Shows/Hides item on given arena display list */ -unsigned int sp_item_display_key_new(unsigned int numkeys); -NRArenaItem *sp_item_invoke_show(SPItem *item, NRArena *arena, unsigned int key, unsigned int flags); -void sp_item_invoke_hide(SPItem *item, unsigned int key); - -void sp_item_snappoints(SPItem const *item, bool includeItemCenter, SnapPointsIter p); - -void sp_item_adjust_pattern(SPItem *item, /* NR::Matrix const &premul, */ NR::Matrix const &postmul, bool set = false); -void sp_item_adjust_gradient(SPItem *item, /* NR::Matrix const &premul, */ NR::Matrix const &postmul, bool set = false); -void sp_item_adjust_stroke(SPItem *item, gdouble ex); -void sp_item_adjust_stroke_width_recursive(SPItem *item, gdouble ex); -void sp_item_adjust_paint_recursive(SPItem *item, NR::Matrix advertized_transform, NR::Matrix t_ancestors, bool is_pattern); -void sp_item_adjust_livepatheffect(SPItem *item, NR::Matrix const &postmul, bool set = false); - -void sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NRMatrix const *transform, NR::Matrix const *adv = NULL); -void sp_item_write_transform(SPItem *item, Inkscape::XML::Node *repr, NR::Matrix const &transform, NR::Matrix const *adv = NULL, bool compensate = true); - -void sp_item_set_item_transform(SPItem *item, NR::Matrix const &transform); - -gint sp_item_event (SPItem *item, SPEvent *event); + /** Apply the transform optimally, and return any residual transformation */ + Geom::Matrix (* set_transform)(SPItem *item, Geom::Matrix const &transform); -/* Utility */ + /** Convert the item to guidelines */ + void (* convert_to_guides)(SPItem *item); -NRArenaItem *sp_item_get_arenaitem(SPItem *item, unsigned int key); + /** Emit event, if applicable */ + gint (* event) (SPItem *item, SPEvent *event); -void sp_item_bbox_desktop(SPItem *item, NRRect *bbox, SPItem::BBoxType type = SPItem::APPROXIMATE_BBOX) __attribute__ ((deprecated)); -NR::Maybe sp_item_bbox_desktop(SPItem *item, SPItem::BBoxType type = SPItem::APPROXIMATE_BBOX); + private: + static SPObjectClass *static_parent_class; + static void sp_item_class_init(SPItemClass *klass); -NR::Matrix i2anc_affine(SPObject const *item, SPObject const *ancestor); -NR::Matrix i2i_affine(SPObject const *src, SPObject const *dest); + friend class SPItem; +}; -NR::Matrix sp_item_i2doc_affine(SPItem const *item); -NR::Matrix sp_item_i2root_affine(SPItem const *item); +// Utility -NR::Matrix matrix_to_desktop (NR::Matrix m, SPItem const *item); -NR::Matrix matrix_from_desktop (NR::Matrix m, SPItem const *item); +Geom::Matrix i2anc_affine(SPObject const *item, SPObject const *ancestor); +Geom::Matrix i2i_affine(SPObject const *src, SPObject const *dest); /* fixme: - these are evil, but OK */ @@ -263,14 +286,10 @@ NR::Matrix matrix_from_desktop (NR::Matrix m, SPItem const *item); * * \return TRANSFORM. */ -NR::Matrix sp_item_i2d_affine(SPItem const *item); -NR::Matrix sp_item_i2r_affine(SPItem const *item); -void sp_item_set_i2d_affine(SPItem *item, NR::Matrix const &transform); -NR::Matrix sp_item_dt2i_affine(SPItem const *item); int sp_item_repr_compare_position(SPItem *first, SPItem *second); SPItem *sp_item_first_item_child (SPObject *obj); -#endif +#endif // SEEN_SP_ITEM_H /* Local Variables: @@ -281,4 +300,4 @@ SPItem *sp_item_first_item_child (SPObject *obj); fill-column:99 End: */ -// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 : +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :