1 #ifndef __NR_FILTER_COMPONENT_TRANSFER_H__
2 #define __NR_FILTER_COMPONENT_TRANSFER_H__
4 /*
5 * feComponentTransfer filter primitive renderer
6 *
7 * Authors:
8 * Felipe CorrĂȘa da Silva Sanches <juca@members.fsf.org>
9 *
10 * Copyright (C) 2007 authors
11 *
12 * Released under GNU GPL, read the file 'COPYING' for more information
13 */
15 #include "display/nr-filter-primitive.h"
16 #include "display/nr-filter-slot.h"
17 #include "display/nr-filter-units.h"
18 #include <vector>
20 namespace Inkscape {
21 namespace Filters {
23 enum FilterComponentTransferType {
24 COMPONENTTRANSFER_TYPE_IDENTITY,
25 COMPONENTTRANSFER_TYPE_TABLE,
26 COMPONENTTRANSFER_TYPE_DISCRETE,
27 COMPONENTTRANSFER_TYPE_LINEAR,
28 COMPONENTTRANSFER_TYPE_GAMMA,
29 COMPONENTTRANSFER_TYPE_ERROR
30 };
32 class FilterComponentTransfer : public FilterPrimitive {
33 public:
34 FilterComponentTransfer();
35 static FilterPrimitive *create();
36 virtual ~FilterComponentTransfer();
38 virtual int render(FilterSlot &slot, FilterUnits const &units);
39 virtual void area_enlarge(NRRectL &area, Geom::Matrix const &trans);
41 FilterComponentTransferType type[4];
42 std::vector<gdouble> tableValues[4];
43 double slope[4];
44 double intercept[4];
45 double amplitude[4];
46 double exponent[4];
47 double offset[4];
48 };
50 } /* namespace Filters */
51 } /* namespace Inkscape */
53 #endif /* __NR_FILTER_COMPONENT_TRANSFER_H__ */
54 /*
55 Local Variables:
56 mode:c++
57 c-file-style:"stroustrup"
58 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
59 indent-tabs-mode:nil
60 fill-column:99
61 End:
62 */
63 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :