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index a9bf2e4c35fe7bb0aceca27622aea3905cbff099..9c8b199823db70799ded17afa50920ea4b94bc56 100644 (file)
--- a/src/display/sp-canvas.h
+++ b/src/display/sp-canvas.h
-#ifndef __SP_CANVAS_H__
-#define __SP_CANVAS_H__
+#ifndef SEEN_SP_CANVAS_H
+#define SEEN_SP_CANVAS_H
/** \file
- * SPCanvas, SPCanvasBuf, and SPCanvasItem.
+ * SPCanvas, SPCanvasBuf.
*
* Authors:
* Federico Mena <federico@nuclecu.unam.mx>
#include <gtk/gtkobject.h>
#include <gtk/gtkwidget.h>
-#include <libnr/nr-matrix.h>
-#include <libnr/nr-rect.h>
+#include <glibmm/ustring.h>
+
+#include <2geom/matrix.h>
#include <libnr/nr-rect-l.h>
+#include <2geom/rect.h>
+
+G_BEGIN_DECLS
+
+#define SP_TYPE_CANVAS sp_canvas_get_type()
+#define SP_CANVAS(obj) (GTK_CHECK_CAST((obj), SP_TYPE_CANVAS, SPCanvas))
+#define SP_IS_CANVAS(obj) (GTK_CHECK_TYPE((obj), SP_TYPE_CANVAS))
+
+GType sp_canvas_get_type();
+
struct SPCanvas;
+struct SPCanvasItem;
struct SPCanvasGroup;
enum {
guchar *buf;
int buf_rowstride;
NRRectL rect;
+ NRRectL visible_rect;
/// Background color, given as 0xrrggbb
guint32 bg_color;
// If empty, ignore contents of buffer and use a solid area of bg_color
bool is_empty;
+ cairo_t *ct;
};
-/**
- * An SPCanvasItem refers to a SPCanvas and to its parent item; it has
- * four coordinates, a bounding rectangle, and a transformation matrix.
- */
-struct SPCanvasItem : public GtkObject {
- SPCanvas *canvas;
- SPCanvasItem *parent;
-
- double x1, y1, x2, y2;
- NR::Rect bounds;
- NR::Matrix xform;
-};
-
-/**
- * The vtable of an SPCanvasItem.
- */
-struct SPCanvasItemClass : public GtkObjectClass {
- void (* update) (SPCanvasItem *item, NR::Matrix const &affine, unsigned int flags);
-
- void (* render) (SPCanvasItem *item, SPCanvasBuf *buf);
- double (* point) (SPCanvasItem *item, NR::Point p, SPCanvasItem **actual_item);
-
- int (* event) (SPCanvasItem *item, GdkEvent *event);
-};
-
-SPCanvasItem *sp_canvas_item_new(SPCanvasGroup *parent, GtkType type, const gchar *first_arg_name, ...);
-
-#define sp_canvas_item_set gtk_object_set
-
-void sp_canvas_item_affine_absolute(SPCanvasItem *item, NR::Matrix const &aff);
-
-void sp_canvas_item_raise(SPCanvasItem *item, int positions);
-void sp_canvas_item_lower(SPCanvasItem *item, int positions);
-void sp_canvas_item_show(SPCanvasItem *item);
-void sp_canvas_item_hide(SPCanvasItem *item);
-int sp_canvas_item_grab(SPCanvasItem *item, unsigned int event_mask, GdkCursor *cursor, guint32 etime);
-void sp_canvas_item_ungrab(SPCanvasItem *item, guint32 etime);
-
-NR::Matrix sp_canvas_item_i2w_affine(SPCanvasItem const *item);
-
-void sp_canvas_item_grab_focus(SPCanvasItem *item);
-
-void sp_canvas_item_request_update(SPCanvasItem *item);
-
-/* get item z-order in parent group */
-
-gint sp_canvas_item_order(SPCanvasItem * item);
-
+G_END_DECLS
// SPCanvas -------------------------------------------------
/**
*/
struct SPCanvas {
GtkWidget widget;
-
+
guint idle_id;
-
+
SPCanvasItem *root;
-
+
double dx0, dy0;
int x0, y0;
-
+
/* Area that needs redrawing, stored as a microtile array */
int tLeft,tTop,tRight,tBottom;
int tileH,tileV;
uint8_t *tiles;
-
+
/* Last known modifier state, for deferred repick when a button is down */
int state;
-
+
/* The item containing the mouse pointer, or NULL if none */
SPCanvasItem *current_item;
-
+
/* Item that is about to become current (used to track deletions and such) */
SPCanvasItem *new_current_item;
-
+
/* Item that holds a pointer grab, or NULL if none */
SPCanvasItem *grabbed_item;
-
+
/* Event mask specified when grabbing an item */
guint grabbed_event_mask;
-
+
/* If non-NULL, the currently focused item */
SPCanvasItem *focused_item;
-
+
/* Event on which selection of current item is based */
GdkEvent pick_event;
-
+
int close_enough;
-
+
/* GC for temporary draw pixmap */
GdkGC *pixmap_gc;
-
+
unsigned int need_update : 1;
unsigned int need_redraw : 1;
unsigned int need_repick : 1;
-
+
+ int forced_redraw_count;
+ int forced_redraw_limit;
+
/* For use by internal pick_current_item() function */
unsigned int left_grabbed_item : 1;
/* For use by internal pick_current_item() function */
unsigned int in_repick : 1;
- int rendermode;
+ // In most tools Inkscape only generates enter and leave events
+ // on the current item, but no other enter events if a mouse button
+ // is depressed -- see function pick_current_item(). Some tools
+ // may wish the canvas to generate to all enter events, (e.g., the
+ // connector tool). If so, they may temporarily set this flag to
+ // 'true'.
+ bool gen_all_enter_events;
- NR::Rect getViewbox() const;
+ /* For scripting, sometimes we want to delay drawing. */
+ bool drawing_disabled;
+
+ int rendermode;
+
+#if ENABLE_LCMS
+ bool enable_cms_display_adj;
+ Glib::ustring* cms_key;
+#endif // ENABLE_LCMS
+
+ bool is_scrolling;
+
+ Geom::Rect getViewbox() const;
+ NR::IRect getViewboxIntegers() const;
};
GtkWidget *sp_canvas_new_aa();
SPCanvasGroup *sp_canvas_root(SPCanvas *canvas);
-void sp_canvas_scroll_to(SPCanvas *canvas, double cx, double cy, unsigned int clear);
+void sp_canvas_scroll_to(SPCanvas *canvas, double cx, double cy, unsigned int clear, bool is_scrolling = false);
void sp_canvas_update_now(SPCanvas *canvas);
void sp_canvas_request_redraw(SPCanvas *canvas, int x1, int y1, int x2, int y2);
+void sp_canvas_force_full_redraw_after_interruptions(SPCanvas *canvas, unsigned int count);
+void sp_canvas_end_forced_full_redraws(SPCanvas *canvas);
+
+bool sp_canvas_world_pt_inside_window(SPCanvas const *canvas, Geom::Point const &world);
void sp_canvas_window_to_world(SPCanvas const *canvas, double winx, double winy, double *worldx, double *worldy);
void sp_canvas_world_to_window(SPCanvas const *canvas, double worldx, double worldy, double *winx, double *winy);
-NR::Point sp_canvas_window_to_world(SPCanvas const *canvas, NR::Point const win);
-NR::Point sp_canvas_world_to_window(SPCanvas const *canvas, NR::Point const world);
+Geom::Point sp_canvas_window_to_world(SPCanvas const *canvas, Geom::Point const win);
+Geom::Point sp_canvas_world_to_window(SPCanvas const *canvas, Geom::Point const world);
-bool sp_canvas_world_pt_inside_window(SPCanvas const *canvas, NR::Point const &world);
-
-#endif
+#endif // SEEN_SP_CANVAS_H
/*
Local Variables: