Code

improve speed of getting curves to cairo, the same way as boundingbox calculation...
[inkscape.git] / src / display / nr-filter-component-transfer.h
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 "display/nr-filter-units.h"
18 #include <vector>
20 namespace NR {
22 enum FilterComponentTransferType {
23     COMPONENTTRANSFER_TYPE_IDENTITY,
24     COMPONENTTRANSFER_TYPE_TABLE,
25     COMPONENTTRANSFER_TYPE_DISCRETE,
26     COMPONENTTRANSFER_TYPE_LINEAR,
27     COMPONENTTRANSFER_TYPE_GAMMA,
28     COMPONENTTRANSFER_TYPE_ERROR
29 };
31 class FilterComponentTransfer : public FilterPrimitive {
32 public:
33     FilterComponentTransfer();
34     static FilterPrimitive *create();
35     virtual ~FilterComponentTransfer();
37     virtual int render(FilterSlot &slot, FilterUnits const &units);
38     virtual void area_enlarge(NRRectL &area, Matrix const &trans);
40     FilterComponentTransferType type[4];
41     std::vector<gdouble> tableValues[4];
42     double slope[4];
43     double intercept[4];
44     double amplitude[4];
45     double exponent[4];
46     double offset[4];
47 };
49 } /* namespace NR */
51 #endif /* __NR_FILTER_COMPONENT_TRANSFER_H__ */
52 /*
53   Local Variables:
54   mode:c++
55   c-file-style:"stroustrup"
56   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
57   indent-tabs-mode:nil
58   fill-column:99
59   End:
60 */
61 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :