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 <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 "display/nr-filter-primitive.h"
16 #include "display/nr-filter-slot.h"
17 #include <vector>
19 namespace NR {
21 enum FilterComponentTransferType {
22 COMPONENTTRANSFER_TYPE_IDENTITY,
23 COMPONENTTRANSFER_TYPE_TABLE,
24 COMPONENTTRANSFER_TYPE_DISCRETE,
25 COMPONENTTRANSFER_TYPE_LINEAR,
26 COMPONENTTRANSFER_TYPE_GAMMA,
27 COMPONENTTRANSFER_TYPE_ERROR
28 };
30 class FilterComponentTransfer : public FilterPrimitive {
31 public:
32 FilterComponentTransfer();
33 static FilterPrimitive *create();
34 virtual ~FilterComponentTransfer();
36 virtual int render(FilterSlot &slot, Matrix const &trans);
37 virtual void area_enlarge(NRRectL &area, Matrix const &trans);
39 void set_type(FilterComponentTransferType t);
40 void set_tableValues(std::vector<gdouble>& tv);
41 void set_slope(double s);
42 void set_intercept(double i);
43 void set_amplitude(double a);
44 void set_exponent(double e);
45 void set_offset(double o);
47 private:
48 FilterComponentTransferType type;
49 std::vector<gdouble> tableValues;
50 double slope;
51 double intercept;
52 double amplitude;
53 double exponent;
54 double offset;
55 };
57 } /* namespace NR */
59 #endif /* __NR_FILTER_COMPONENT_TRANSFER_H__ */
60 /*
61 Local Variables:
62 mode:c++
63 c-file-style:"stroustrup"
64 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
65 indent-tabs-mode:nil
66 fill-column:99
67 End:
68 */
69 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :