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Add wxColour::{Set,Get}RGB[A]().

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These methods allow to operate with all 3 or 4 colour channels at once.

Add their implementation, documentation and a unit test for wxColour
exercising them.

Closes #9918.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61976 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-09-19 16:29:50 +00:00
parent 0193727824
commit b0edecea48
14 changed files with 212 additions and 1 deletions
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23
include/wx/colour.h
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@@ -90,7 +90,7 @@ public:
ChannelType green,
ChannelType blue,
ChannelType alpha = wxALPHA_OPAQUE)
{ InitRGBA(red,green,blue, alpha); }
{ InitRGBA(red, green, blue, alpha); }
// implemented in colourcmn.cpp
bool Set(const wxString &str)
@@ -119,6 +119,27 @@ public:
// implemented in colourcmn.cpp
virtual wxString GetAsString(long flags = wxC2S_NAME | wxC2S_CSS_SYNTAX) const;
void SetRGB(wxUint32 colRGB)
{
Set((ChannelType)(0xFF & colRGB),
(ChannelType)(0xFF & (colRGB >> 8)),
(ChannelType)(0xFF & (colRGB >> 16)));
}
void SetRGBA(wxUint32 colRGBA)
{
Set((ChannelType)(0xFF & colRGBA),
(ChannelType)(0xFF & (colRGBA >> 8)),
(ChannelType)(0xFF & (colRGBA >> 16)),
(ChannelType)(0xFF & (colRGBA >> 24)));
}
wxUint32 GetRGB() const
{ return Red() | (Green() << 8) | (Blue() << 16); }
wxUint32 GetRGBA() const
{ return Red() | (Green() << 8) | (Blue() << 16) | (Alpha() << 24); }
#if !wxCOLOUR_IS_GDIOBJECT
virtual bool IsOk() const= 0;