83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/ribbon/art_internal.h
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// Purpose: Helper functions & classes used by ribbon art providers
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// Author: Peter Cawley
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// Modified by:
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// Created: 2009-08-04
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// RCS-ID: $Id$
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// Copyright: (C) Peter Cawley
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_RIBBON_ART_INTERNAL_H_
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#define _WX_RIBBON_ART_INTERNAL_H_
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#include "wx/defs.h"
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#if wxUSE_RIBBON
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WXDLLIMPEXP_RIBBON wxColour wxRibbonInterpolateColour(
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const wxColour& start_colour,
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const wxColour& end_colour,
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int position,
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int start_position,
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int end_position);
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WXDLLIMPEXP_RIBBON bool wxRibbonCanLabelBreakAtPosition(
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const wxString& label,
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size_t pos);
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WXDLLIMPEXP_RIBBON void wxRibbonDrawParallelGradientLines(
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wxDC& dc,
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int nlines,
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const wxPoint* line_origins,
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int stepx,
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int stepy,
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int numsteps,
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int offset_x,
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int offset_y,
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const wxColour& start_colour,
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const wxColour& end_colour);
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WXDLLIMPEXP_RIBBON wxBitmap wxRibbonLoadPixmap(
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const char* const* bits,
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wxColour fore);
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/*
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HSL colour class, using interface as discussed in wx-dev. Provided mainly
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for art providers to perform colour scheme calculations in the HSL colour
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space. If such a class makes it into base / core, then this class should be
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removed and users switched over to the one in base / core.
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0.0 <= Hue < 360.0
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0.0 <= Saturation <= 1.0
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0.0 <= Luminance <= 1.0
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*/
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class WXDLLIMPEXP_RIBBON wxRibbonHSLColour
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{
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public:
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wxRibbonHSLColour()
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: hue(0.0), saturation(0.0), luminance(0.0) {}
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wxRibbonHSLColour(float H, float S, float L)
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: hue(H), saturation(S), luminance(L) { }
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wxRibbonHSLColour(const wxColour& C);
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wxColour ToRGB() const;
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wxRibbonHSLColour& MakeDarker(float delta);
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wxRibbonHSLColour Darker(float delta) const;
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wxRibbonHSLColour Lighter(float delta) const;
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wxRibbonHSLColour Saturated(float delta) const;
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wxRibbonHSLColour Desaturated(float delta) const;
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wxRibbonHSLColour ShiftHue(float delta) const;
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float hue, saturation, luminance;
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};
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WXDLLIMPEXP_RIBBON wxRibbonHSLColour wxRibbonShiftLuminance(
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wxRibbonHSLColour colour, float amount);
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#endif // wxUSE_RIBBON
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#endif // _WX_RIBBON_ART_INTERNAL_H_
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