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index a4d36e3613ca7db337216f2e09bea9056dc0708a..b8f313948e222fc3931c69f79cc3f01eeb69063d 100644 (file)
-#ifndef INKSCAPE_CANVAS_GRID_H
-#define INKSCAPE_CANVAS_GRID_H
-
-/*
- * Inkscape::CXYGrid
- *
- * Generic (and quite unintelligent) grid item for gnome canvas
- *
- * Copyright (C) Johan Engelen 2006 <johan@shouraizou.nl>
+/** @file
+ * @brief Cartesian grid item for the Inkscape canvas
+ */
+/* Copyright (C) Johan Engelen 2006-2007 <johan@shouraizou.nl>
* Copyright (C) Lauris Kaplinski 2000
- *
*/
-#include <display/sp-canvas.h>
-#include "xml/repr.h"
-#include <gtkmm/box.h>
+#ifndef INKSCAPE_CANVAS_GRID_H
+#define INKSCAPE_CANVAS_GRID_H
+#include <cstring>
+#include <string>
+#include <gtkmm/box.h>
#include <gtkmm.h>
+
+#include "sp-canvas-item.h"
+#include "xml/repr.h"
#include "ui/widget/color-picker.h"
#include "ui/widget/scalar-unit.h"
-
#include "ui/widget/registered-widget.h"
#include "ui/widget/registry.h"
-#include "ui/widget/tolerance-slider.h"
-
#include "xml/node-event-vector.h"
-
#include "snapper.h"
#include "line-snapper.h"
struct SPDesktop;
struct SPNamedView;
+struct SPCanvasBuf;
+class SPDocument;
namespace Inkscape {
+
+enum GridType {
+ GRID_RECTANGULAR = 0,
+ GRID_AXONOMETRIC = 1
+};
+#define GRID_MAXTYPENR 1
+
#define INKSCAPE_TYPE_GRID_CANVASITEM (Inkscape::grid_canvasitem_get_type ())
#define INKSCAPE_GRID_CANVASITEM(obj) (GTK_CHECK_CAST ((obj), INKSCAPE_TYPE_GRID_CANVASITEM, GridCanvasItem))
#define INKSCAPE_GRID_CANVASITEM_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), INKSCAPE_TYPE_GRID_CANVASITEM, GridCanvasItem))
class CanvasGrid {
public:
- CanvasGrid(SPNamedView * nv, Inkscape::XML::Node * in_repr);
virtual ~CanvasGrid();
-
- static CanvasGrid* NewGrid(SPNamedView * nv, Inkscape::XML::Node * in_repr, const char * gridtype);
- static void writeNewGridToRepr(Inkscape::XML::Node * repr, const char * gridtype);
+
+ // TODO: see effect.h and effect.cpp from live_effects how to link enums to SVGname to typename properly. (johan)
+ const char * getName();
+ const char * getSVGName();
+ GridType getGridType();
+ static const char * getName(GridType type);
+ static const char * getSVGName(GridType type);
+ static GridType getGridTypeFromSVGName(const char * typestr);
+ static GridType getGridTypeFromName(const char * typestr);
+
+ static CanvasGrid* NewGrid(SPNamedView * nv, Inkscape::XML::Node * repr, SPDocument *doc, GridType gridtype);
+ static void writeNewGridToRepr(Inkscape::XML::Node * repr, SPDocument * doc, GridType gridtype);
GridCanvasItem * createCanvasItem(SPDesktop * desktop);
-
- virtual void Update (NR::Matrix const &affine, unsigned int flags) = 0;
+
+ virtual void Update (Geom::Matrix const &affine, unsigned int flags) = 0;
virtual void Render (SPCanvasBuf *buf) = 0;
-
- virtual void readRepr() {};
- virtual void onReprAttrChanged (Inkscape::XML::Node * repr, const gchar *key, const gchar *oldval, const gchar *newval, bool is_interactive) {};
-
- virtual Gtk::Widget & getWidget() = 0;
+
+ virtual void readRepr() = 0;
+ virtual void onReprAttrChanged (Inkscape::XML::Node * /*repr*/, const gchar */*key*/, const gchar */*oldval*/, const gchar */*newval*/, bool /*is_interactive*/) = 0;
+
+ Gtk::Widget * newWidget();
+
+ Geom::Point origin; /**< Origin of the grid */
+ guint32 color; /**< Color for normal lines */
+ guint32 empcolor; /**< Color for emphasis lines */
+ gint empspacing; /**< Spacing between emphasis lines */
+
+ SPUnit const* gridunit;
Inkscape::XML::Node * repr;
-
+ SPDocument *doc;
+
Inkscape::Snapper* snapper;
static void on_repr_attr_changed (Inkscape::XML::Node * repr, const gchar *key, const gchar *oldval, const gchar *newval, bool is_interactive, void * data);
-
+
+ bool isVisible() { return (isEnabled() &&visible); };
+ bool isEnabled();
+
protected:
+ CanvasGrid(SPNamedView * nv, Inkscape::XML::Node * in_repr, SPDocument *in_doc, GridType type);
+
+ virtual Gtk::Widget * newSpecificWidget() = 0;
+
GSList * canvasitems; // list of created canvasitems
SPNamedView * namedview;
-
- Gtk::VBox vbox;
+
+ Inkscape::UI::Widget::Registry _wr;
+ bool visible;
+
+ GridType gridtype;
private:
CanvasGrid(const CanvasGrid&);
CanvasGrid& operator=(const CanvasGrid&);
-
};
class CanvasXYGrid : public CanvasGrid {
public:
- CanvasXYGrid(SPNamedView * nv, Inkscape::XML::Node * in_repr);
- ~CanvasXYGrid();
+ CanvasXYGrid(SPNamedView * nv, Inkscape::XML::Node * in_repr, SPDocument * in_doc);
+ virtual ~CanvasXYGrid();
- void Update (NR::Matrix const &affine, unsigned int flags);
+ void Update (Geom::Matrix const &affine, unsigned int flags);
void Render (SPCanvasBuf *buf);
-
+
void readRepr();
void onReprAttrChanged (Inkscape::XML::Node * repr, const gchar *key, const gchar *oldval, const gchar *newval, bool is_interactive);
-
- Gtk::Widget & getWidget();
- NR::Point origin;
- guint32 color;
- guint32 empcolor;
- gint empspacing;
- SPUnit const* gridunit;
-
- NR::Point spacing; /**< Spacing between elements of the grid */
+ Geom::Point spacing; /**< Spacing between elements of the grid */
bool scaled[2]; /**< Whether the grid is in scaled mode, which can
- be different in the X or Y direction, hense two
+ be different in the X or Y direction, hence two
variables */
- NR::Point ow; /**< Transformed origin by the affine for the zoom */
- NR::Point sw; /**< Transformed spacing by the affine for the zoom */
+ Geom::Point ow; /**< Transformed origin by the affine for the zoom */
+ Geom::Point sw; /**< Transformed spacing by the affine for the zoom */
+
+protected:
+ virtual Gtk::Widget * newSpecificWidget();
+
private:
CanvasXYGrid(const CanvasXYGrid&);
CanvasXYGrid& operator=(const CanvasXYGrid&);
-
- void updateWidgets();
- Gtk::Table table;
-
- Inkscape::UI::Widget::RegisteredCheckButton _rcbgrid, _rcbsnbb, _rcbsnnod;
- Inkscape::UI::Widget::RegisteredUnitMenu _rumg, _rums;
- Inkscape::UI::Widget::RegisteredScalarUnit _rsu_ox, _rsu_oy, _rsu_sx, _rsu_sy;
- Inkscape::UI::Widget::RegisteredColorPicker _rcp_gcol, _rcp_gmcol;
- Inkscape::UI::Widget::RegisteredSuffixedInteger _rsi;
-
- Inkscape::UI::Widget::Registry _wr;
+ void updateWidgets();
+ bool render_dotted;
};
class CanvasXYGridSnapper : public LineSnapper
{
public:
- CanvasXYGridSnapper(CanvasXYGrid *grid, SPNamedView const *nv, NR::Coord const d);
+ CanvasXYGridSnapper(CanvasXYGrid *grid, SnapManager *sm, Geom::Coord const d);
+ bool ThisSnapperMightSnap() const;
+
+ Geom::Coord getSnapperTolerance() const; //returns the tolerance of the snapper in screen pixels (i.e. independent of zoom)
+ bool getSnapperAlwaysSnap() const; //if true, then the snapper will always snap, regardless of its tolerance
-private:
- LineList _getSnapLines(NR::Point const &p) const;
-
+private:
+ LineList _getSnapLines(Geom::Point const &p) const;
+ void _addSnappedLine(SnappedConstraints &sc, Geom::Point const snapped_point, Geom::Coord const snapped_distance, SnapSourceType const &source, long source_num, Geom::Point const normal_to_line, const Geom::Point point_on_line) const;
+ void _addSnappedPoint(SnappedConstraints &sc, Geom::Point const snapped_point, Geom::Coord const snapped_distance, SnapSourceType const &source, long source_num, bool constrained_snap) const;
CanvasXYGrid *grid;
-};
+};
}; /* namespace Inkscape */