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/** \file
* SVG <filter> element
*//*
* Authors:
* Hugo Rodrigues <haa.rodrigues@gmail.com>
* Niko Kiirala <niko@kiirala.com>
*
* Copyright (C) 2006,2007 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifndef SP_FILTER_H_SEEN
#define SP_FILTER_H_SEEN
#include <map>
#include "number-opt-number.h"
#include "sp-object.h"
#include "sp-filter-units.h"
#include "svg/svg-length.h"
#include <glibmm/ustring.h>
#define SP_TYPE_FILTER (sp_filter_get_type())
#define SP_FILTER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), SP_TYPE_FILTER, SPFilter))
#define SP_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), SP_TYPE_FILTER, SPFilterClass))
#define SP_IS_FILTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), SP_TYPE_FILTER))
#define SP_IS_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), SP_TYPE_FILTER))
#define SP_FILTER_FILTER_UNITS(f) (SP_FILTER(f)->filterUnits)
#define SP_FILTER_PRIMITIVE_UNITS(f) (SP_FILTER(f)->primitiveUnits)
namespace Inkscape {
namespace Filters {
class Filter;
} }
class SPFilterReference;
struct SPFilterPrimitive;
struct ltstr {
bool operator()(const char* s1, const char* s2) const;
};
class CFilter;
class SPFilter : public SPObject {
public:
CFilter* cfilter;
SPFilterUnits filterUnits;
guint filterUnits_set : 1;
SPFilterUnits primitiveUnits;
guint primitiveUnits_set : 1;
SVGLength x;
SVGLength y;
SVGLength width;
SVGLength height;
NumberOptNumber filterRes;
SPFilterReference *href;
sigc::connection modified_connection;
Inkscape::Filters::Filter *_renderer;
std::map<gchar *, int, ltstr>* _image_name;
int _image_number_next;
};
class CFilter : public CObject {
public:
CFilter(SPFilter* filter);
virtual ~CFilter();
virtual void build(SPDocument* doc, Inkscape::XML::Node* repr);
virtual void release();
virtual void child_added(Inkscape::XML::Node* child, Inkscape::XML::Node* ref);
virtual void remove_child(Inkscape::XML::Node* child);
virtual void set(unsigned int key, const gchar* value);
virtual void update(SPCtx* ctx, unsigned int flags);
virtual Inkscape::XML::Node* write(Inkscape::XML::Document* doc, Inkscape::XML::Node* repr, guint flags);
private:
SPFilter* spfilter;
};
struct SPFilterClass {
SPObjectClass parent_class;
};
GType sp_filter_get_type();
void sp_filter_set_filter_units(SPFilter *filter, SPFilterUnits filterUnits);
void sp_filter_set_primitive_units(SPFilter *filter, SPFilterUnits filterUnits);
SPFilterPrimitive *add_primitive(SPFilter *filter, SPFilterPrimitive *primitive);
SPFilterPrimitive *get_primitive(SPFilter *filter, int index);
/* Initializes the given Inkscape::Filters::Filter object as a renderer for this
* SPFilter object. */
void sp_filter_build_renderer(SPFilter *sp_filter, Inkscape::Filters::Filter *nr_filter);
/// Returns the number of filter primitives in this SPFilter object.
int sp_filter_primitive_count(SPFilter *filter);
/// Returns a slot number for given image name, or -1 for unknown name.
int sp_filter_get_image_name(SPFilter *filter, gchar const *name);
/// Returns slot number for given image name, even if it's unknown.
int sp_filter_set_image_name(SPFilter *filter, gchar const *name);
/** Finds image name based on it's slot number. Returns 0 for unknown slot
* numbers. */
gchar const *sp_filter_name_for_image(SPFilter const *filter, int const image);
/// Returns a result image name that is not in use inside this filter.
Glib::ustring sp_filter_get_new_result_name(SPFilter *filter);
#endif /* !SP_FILTER_H_SEEN */
/*
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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