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1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: wx/ribbon/art_internal.h | |
3 | // Purpose: Helper functions & classes used by ribbon art providers | |
4 | // Author: Peter Cawley | |
5 | // Modified by: | |
6 | // Created: 2009-08-04 | |
3c3ead1d PC |
7 | // Copyright: (C) Peter Cawley |
8 | // Licence: wxWindows licence | |
9 | /////////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifndef _WX_RIBBON_ART_INTERNAL_H_ | |
12 | #define _WX_RIBBON_ART_INTERNAL_H_ | |
13 | ||
14 | #include "wx/defs.h" | |
15 | ||
16 | #if wxUSE_RIBBON | |
17 | ||
18 | WXDLLIMPEXP_RIBBON wxColour wxRibbonInterpolateColour( | |
19 | const wxColour& start_colour, | |
20 | const wxColour& end_colour, | |
21 | int position, | |
22 | int start_position, | |
23 | int end_position); | |
24 | ||
25 | WXDLLIMPEXP_RIBBON bool wxRibbonCanLabelBreakAtPosition( | |
26 | const wxString& label, | |
27 | size_t pos); | |
28 | ||
29 | WXDLLIMPEXP_RIBBON void wxRibbonDrawParallelGradientLines( | |
30 | wxDC& dc, | |
31 | int nlines, | |
32 | const wxPoint* line_origins, | |
33 | int stepx, | |
34 | int stepy, | |
35 | int numsteps, | |
36 | int offset_x, | |
37 | int offset_y, | |
38 | const wxColour& start_colour, | |
39 | const wxColour& end_colour); | |
40 | ||
41 | WXDLLIMPEXP_RIBBON wxBitmap wxRibbonLoadPixmap( | |
42 | const char* const* bits, | |
43 | wxColour fore); | |
44 | ||
45 | /* | |
46 | HSL colour class, using interface as discussed in wx-dev. Provided mainly | |
47 | for art providers to perform colour scheme calculations in the HSL colour | |
48 | space. If such a class makes it into base / core, then this class should be | |
49 | removed and users switched over to the one in base / core. | |
50 | ||
51 | 0.0 <= Hue < 360.0 | |
52 | 0.0 <= Saturation <= 1.0 | |
53 | 0.0 <= Luminance <= 1.0 | |
54 | */ | |
55 | class WXDLLIMPEXP_RIBBON wxRibbonHSLColour | |
56 | { | |
57 | public: | |
58 | wxRibbonHSLColour() | |
59 | : hue(0.0), saturation(0.0), luminance(0.0) {} | |
60 | wxRibbonHSLColour(float H, float S, float L) | |
61 | : hue(H), saturation(S), luminance(L) { } | |
62 | wxRibbonHSLColour(const wxColour& C); | |
63 | ||
64 | wxColour ToRGB() const; | |
65 | ||
66 | wxRibbonHSLColour& MakeDarker(float delta); | |
67 | wxRibbonHSLColour Darker(float delta) const; | |
68 | wxRibbonHSLColour Lighter(float delta) const; | |
69 | wxRibbonHSLColour Saturated(float delta) const; | |
70 | wxRibbonHSLColour Desaturated(float delta) const; | |
71 | wxRibbonHSLColour ShiftHue(float delta) const; | |
72 | ||
73 | float hue, saturation, luminance; | |
74 | }; | |
75 | ||
76 | WXDLLIMPEXP_RIBBON wxRibbonHSLColour wxRibbonShiftLuminance( | |
77 | wxRibbonHSLColour colour, float amount); | |
78 | ||
79 | #endif // wxUSE_RIBBON | |
80 | ||
81 | #endif // _WX_RIBBON_ART_INTERNAL_H_ |