1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /** @file
3  * @brief SVG Gaussian blur filter effect
4  *//*
5  * Authors:
6  *   Hugo Rodrigues <haa.rodrigues@gmail.com>
7  *
8  * Copyright (C) 2006 Hugo Rodrigues
9  *
10  * Released under GNU GPL v2+, read the file 'COPYING' for more information.
11  */
12 
13 #ifndef SP_GAUSSIANBLUR_H_SEEN
14 #define SP_GAUSSIANBLUR_H_SEEN
15 
16 #include "sp-filter-primitive.h"
17 #include "number-opt-number.h"
18 
19 #define SP_GAUSSIANBLUR(obj) (dynamic_cast<SPGaussianBlur*>((SPObject*)obj))
20 #define SP_IS_GAUSSIANBLUR(obj) (dynamic_cast<const SPGaussianBlur*>((SPObject*)obj) != NULL)
21 
22 class SPGaussianBlur : public SPFilterPrimitive {
23 public:
24 	SPGaussianBlur();
25 	~SPGaussianBlur() override;
26 
27         /** stdDeviation attribute */
28         NumberOptNumber stdDeviation;
29 
30         Geom::Rect calculate_region(Geom::Rect region) override;
31 
32 protected:
33 	void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
34 	void release() override;
35 
36 	void set(SPAttr key, const gchar* value) override;
37 
38 	void update(SPCtx* ctx, unsigned int flags) override;
39 
40 	Inkscape::XML::Node* write(Inkscape::XML::Document* doc, Inkscape::XML::Node* repr, guint flags) override;
41 
42 	void build_renderer(Inkscape::Filters::Filter* filter) override;
43 };
44 
45 void  sp_gaussianBlur_setDeviation(SPGaussianBlur *blur, float num);
46 void  sp_gaussianBlur_setDeviation(SPGaussianBlur *blur, float num, float optnum);
47 
48 #endif /* !SP_GAUSSIANBLUR_H_SEEN */
49 
50 /*
51   Local Variables:
52   mode:c++
53   c-file-style:"stroustrup"
54   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
55   indent-tabs-mode:nil
56   fill-column:99
57   End:
58 */
59 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
60