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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* @file
* SVG drawing for display.
*//*
* Authors:
* Krzysztof Kosiński <tweenk.pl@gmail.com>
*
* Copyright (C) 2011 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_INKSCAPE_DISPLAY_DRAWING_H
#define SEEN_INKSCAPE_DISPLAY_DRAWING_H
#include <2geom/rect.h>
#include <boost/operators.hpp>
#include <boost/utility.hpp>
#include <set>
#include <sigc++/sigc++.h>
#include "display/drawing-item.h"
#include "display/rendermode.h"
#include "nr-filter-colormatrix.h"
typedef struct _SPCanvasArena SPCanvasArena;
typedef unsigned int guint32;
namespace Inkscape {
class DrawingItem;
class Drawing
: boost::noncopyable
{
public:
struct OutlineColors {
guint32 paths;
guint32 clippaths;
guint32 masks;
guint32 images;
};
Drawing(SPCanvasArena *arena = nullptr);
~Drawing();
DrawingItem *root() { return _root; }
SPCanvasArena *arena() { return _canvasarena; }
void setRoot(DrawingItem *item);
RenderMode renderMode() const;
ColorMode colorMode() const;
bool outline() const;
bool visibleHairlines() const;
bool renderFilters() const;
int blurQuality() const;
int filterQuality() const;
void setRenderMode(RenderMode mode);
void setColorMode(ColorMode mode);
void setBlurQuality(int q);
void setFilterQuality(int q);
void setExact(bool e);
bool getExact() const { return _exact; };
void setOutlineSensitive(bool e);
bool getOutlineSensitive() const { return _outline_sensitive; };
Geom::OptIntRect const &cacheLimit() const;
void setCacheLimit(Geom::OptIntRect const &r, bool update_cache = true);
void setCacheBudget(size_t bytes);
OutlineColors const &colors() const { return _colors; }
void setGrayscaleMatrix(double value_matrix[20]);
void update(Geom::IntRect const &area = Geom::IntRect::infinite(), unsigned flags = DrawingItem::STATE_ALL, unsigned reset = 0);
void render(DrawingContext &dc, Geom::IntRect const &area, unsigned flags = 0, int antialiasing = -1);
DrawingItem *pick(Geom::Point const &p, double delta, unsigned flags);
sigc::signal<void, DrawingItem *> signal_request_update;
sigc::signal<void, Geom::IntRect const &> signal_request_render;
sigc::signal<void, DrawingItem *> signal_item_deleted;
private:
void _pickItemsForCaching();
typedef std::list<CacheRecord> CandidateList;
bool _outline_sensitive;
DrawingItem *_root;
std::set<DrawingItem *> _cached_items; // modified by DrawingItem::setCached()
CacheList _candidate_items;
public:
// TODO: remove these temporarily public members
guint32 outlinecolor;
double delta;
private:
bool _exact; // if true then rendering must be exact
RenderMode _rendermode;
ColorMode _colormode;
int _blur_quality;
int _filter_quality;
Geom::OptIntRect _cache_limit;
double _cache_score_threshold; ///< do not consider objects for caching below this score
size_t _cache_budget; ///< maximum allowed size of cache
OutlineColors _colors;
Filters::FilterColorMatrix::ColorMatrixMatrix _grayscale_colormatrix;
SPCanvasArena *_canvasarena; // may be NULL if this arena is not the screen
// but used for export etc.
friend class DrawingItem;
};
} // end namespace Inkscape
#endif // !SEEN_INKSCAPE_DRAWING_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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