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added linear and concentric gradient fill functions (modified/fixed patch from Ryan Norton)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37512 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-02-12 01:57:31 +00:00
parent d6bf7254f4
commit 213ad8e72c
7 changed files with 359 additions and 29 deletions
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26
include/wx/dc.h
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@@ -158,6 +158,27 @@ public:
int style = wxFLOOD_SURFACE)
{ return DoFloodFill(pt.x, pt.y, col, style); }
// fill the area specified by rect with a radial gradient, starting from
// initialColour in the centre of the cercle and fading to destColour.
void GradientFillConcentric(const wxRect& rect,
const wxColour& initialColour,
const wxColour& destColour)
{ GradientFillConcentric(rect, initialColour, destColour,
wxPoint(rect.GetWidth() / 2,
rect.GetHeight() / 2)); }
void GradientFillConcentric(const wxRect& rect,
const wxColour& initialColour,
const wxColour& destColour,
const wxPoint& circleCenter);
// fill the area specified by rect with a linear gradient
void GradientFillLinear(const wxRect& rect,
const wxColour& initialColour,
const wxColour& destColour,
wxDirection nDirection = wxEAST)
{ DoGradientFillLinear(rect, initialColour, destColour, nDirection); }
bool GetPixel(wxCoord x, wxCoord y, wxColour *col) const
{ return DoGetPixel(x, y, col); }
bool GetPixel(const wxPoint& pt, wxColour *col) const
@@ -645,6 +666,11 @@ protected:
virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
int style = wxFLOOD_SURFACE) = 0;
virtual void DoGradientFillLinear(const wxRect& rect,
const wxColour& initialColour,
const wxColour& destColour,
wxDirection nDirection = wxEAST);
virtual bool DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const = 0;
virtual void DoDrawPoint(wxCoord x, wxCoord y) = 0;