1 #ifndef __NR_FILTER_DISPLACEMENT_MAP_H__
2 #define __NR_FILTER_DISPLACEMENT_MAP_H__
4 /*
5 * feDisplacementMap filter primitive renderer
6 *
7 * Authors:
8 * Felipe CorrĂȘa da Silva Sanches <felipe.sanches@gmail.com>
9 *
10 * Copyright (C) 2007 authors
11 *
12 * Released under GNU GPL, read the file 'COPYING' for more information
13 */
15 #include "filters/displacementmap.h"
16 #include "display/nr-filter-primitive.h"
17 #include "display/nr-filter-slot.h"
18 #include "display/nr-filter-units.h"
19 #include "libnr/nr-rect-l.h"
21 namespace NR {
23 class FilterDisplacementMap : public FilterPrimitive {
24 public:
25 FilterDisplacementMap();
26 static FilterPrimitive *create();
27 virtual ~FilterDisplacementMap();
29 virtual void set_input(int slot);
30 virtual void set_input(int input, int slot);
31 virtual void set_scale(double s);
32 virtual void set_channel_selector(int s, FilterDisplacementMapChannelSelector channel);
33 virtual int render(FilterSlot &slot, FilterUnits const &units);
34 virtual void area_enlarge(NRRectL &area, Geom::Matrix const &trans);
35 virtual FilterTraits get_input_traits();
37 private:
38 double scale;
39 int _input2;
40 FilterDisplacementMapChannelSelector Xchannel;
41 FilterDisplacementMapChannelSelector Ychannel;
42 int out_x0, out_y0, out_w, out_h;
43 };
45 } /* namespace NR */
47 #endif /* __NR_FILTER_DISPLACEMENT_MAP_H__ */
48 /*
49 Local Variables:
50 mode:c++
51 c-file-style:"stroustrup"
52 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
53 indent-tabs-mode:nil
54 fill-column:99
55 End:
56 */
57 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :