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#ifndef SEEN_SP_DRAW_CONTEXT_H
#define SEEN_SP_DRAW_CONTEXT_H
/*
* Generic drawing context
*
* Author:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 2000 Lauris Kaplinski
* Copyright (C) 2000-2001 Ximian, Inc.
* Copyright (C) 2002 Lauris Kaplinski
*
* Released under GNU GPL
*/
#include <stddef.h>
#include <sigc++/sigc++.h>
#include <2geom/point.h>
#include "event-context.h"
#include "live_effects/effect.h"
/* Freehand context */
#define SP_TYPE_DRAW_CONTEXT (sp_draw_context_get_type())
#define SP_DRAW_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_CAST((o), SP_TYPE_DRAW_CONTEXT, SPDrawContext))
#define SP_DRAW_CONTEXT_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), SP_TYPE_DRAW_CONTEXT, SPDrawContextClass))
#define SP_IS_DRAW_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), SP_TYPE_DRAW_CONTEXT))
#define SP_IS_DRAW_CONTEXT_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), SP_TYPE_DRAW_CONTEXT))
struct SPDrawAnchor;
namespace Inkscape
{
class Selection;
}
struct SPDrawContext : public SPEventContext{
Inkscape::Selection *selection;
SPCanvasItem *grab;
guint attach : 1;
guint32 red_color;
guint32 blue_color;
guint32 green_color;
// Red
SPCanvasItem *red_bpath;
SPCurve *red_curve;
// Blue
SPCanvasItem *blue_bpath;
SPCurve *blue_curve;
// Green
GSList *green_bpaths;
SPCurve *green_curve;
SPDrawAnchor *green_anchor;
gboolean green_closed; // a flag meaning we hit the green anchor, so close the path on itself
// White
SPItem *white_item;
GSList *white_curves;
GSList *white_anchors;
// Start anchor
SPDrawAnchor *sa;
// End anchor
SPDrawAnchor *ea;
/* type of the LPE that is to be applied automatically to a finished path (if any) */
Inkscape::LivePathEffect::EffectType waiting_LPE_type;
sigc::connection sel_changed_connection;
sigc::connection sel_modified_connection;
bool red_curve_is_valid;
bool anchor_statusbar;
};
struct SPDrawContextClass : public SPEventContextClass{};
GType sp_draw_context_get_type(void);
/**
* Returns FIRST active anchor (the activated one).
*/
SPDrawAnchor *spdc_test_inside(SPDrawContext *dc, Geom::Point p);
/**
* Concats red, blue and green.
* If any anchors are defined, process these, optionally removing curves from white list
* Invoke _flush_white to write result back to object.
*/
void spdc_concat_colors_and_flush(SPDrawContext *dc, gboolean forceclosed);
/**
* Snaps node or handle to PI/rotationsnapsperpi degree increments.
*
* @param dc draw context.
* @param p cursor point (to be changed by snapping).
* @param o origin point.
* @param state keyboard state to check if ctrl or shift was pressed.
*/
void spdc_endpoint_snap_rotation(SPEventContext const *const ec, Geom::Point &p, Geom::Point const &o, guint state);
void spdc_endpoint_snap_free(SPEventContext const *ec, Geom::Point &p, boost::optional<Geom::Point> &start_of_line, guint state);
/**
* If we have an item and a waiting LPE, apply the effect to the item
* (spiro spline mode is treated separately).
*/
void spdc_check_for_and_apply_waiting_LPE(SPDrawContext *dc, SPItem *item);
/**
* Create a single dot represented by a circle.
*/
void spdc_create_single_dot(SPEventContext *ec, Geom::Point const &pt, char const *tool, guint event_state);
#endif // SEEN_SP_DRAW_CONTEXT_H
/*
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 :
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