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no real changes, just extract private classes from msw/dc.cpp into a private header so that they could be reused from button owner drawing code too

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61060 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-06-15 17:49:27 +00:00
parent 0654158b18
commit d8c89c487d
3 changed files with 215 additions and 174 deletions
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121
src/msw/dc.cpp
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@@ -44,14 +44,14 @@
#include "wx/dynlib.h"
#ifdef wxHAS_RAW_BITMAP
#include "wx/rawbmp.h"
#include "wx/rawbmp.h"
#endif
#include <string.h>
#ifndef __WIN32__
#include <print.h>
#endif
#include "wx/msw/private/dc.h"
using namespace wxMSWImpl;
#ifndef AC_SRC_ALPHA
#define AC_SRC_ALPHA 1
@@ -149,119 +149,6 @@ wxAlphaBlend(HDC hdcDst, int xDst, int yDst,
// private classes
// ----------------------------------------------------------------------------
// various classes to change some DC property temporarily
// text background and foreground colours
class wxTextColoursChanger
{
public:
wxTextColoursChanger(HDC hdc, const wxMSWDCImpl& dc)
: m_hdc(hdc)
{
Change(dc.GetTextForeground(), dc.GetTextBackground());
}
wxTextColoursChanger(HDC hdc, const wxColour& colFg, const wxColour& colBg)
: m_hdc(hdc)
{
Change(colFg, colBg);
}
~wxTextColoursChanger()
{
if ( m_oldColFg != CLR_INVALID )
::SetTextColor(m_hdc, m_oldColFg);
if ( m_oldColBg != CLR_INVALID )
::SetBkColor(m_hdc, m_oldColBg);
}
protected:
// this ctor doesn't change mode immediately, call Change() later to do it
// only if needed
wxTextColoursChanger(HDC hdc)
: m_hdc(hdc)
{
m_oldColFg =
m_oldColBg = CLR_INVALID;
}
void Change(const wxColour& colFg, const wxColour& colBg)
{
if ( colFg.IsOk() )
{
m_oldColFg = ::SetTextColor(m_hdc, colFg.GetPixel());
if ( m_oldColFg == CLR_INVALID )
{
wxLogLastError(_T("SetTextColor"));
}
}
else
{
m_oldColFg = CLR_INVALID;
}
if ( colBg.IsOk() )
{
m_oldColBg = ::SetBkColor(m_hdc, colBg.GetPixel());
if ( m_oldColBg == CLR_INVALID )
{
wxLogLastError(_T("SetBkColor"));
}
}
else
{
m_oldColBg = CLR_INVALID;
}
}
private:
const HDC m_hdc;
COLORREF m_oldColFg,
m_oldColBg;
wxDECLARE_NO_COPY_CLASS(wxTextColoursChanger);
};
// background mode
class wxBkModeChanger
{
public:
// set background mode to opaque if mode != wxBRUSHSTYLE_TRANSPARENT
wxBkModeChanger(HDC hdc, int mode)
: m_hdc(hdc)
{
Change(mode);
}
~wxBkModeChanger()
{
if ( m_oldMode )
::SetBkMode(m_hdc, m_oldMode);
}
protected:
// this ctor doesn't change mode immediately, call Change() later to do it
// only if needed
wxBkModeChanger(HDC hdc) : m_hdc(hdc) { m_oldMode = 0; }
void Change(int mode)
{
m_oldMode = ::SetBkMode(m_hdc, mode == wxBRUSHSTYLE_TRANSPARENT
? TRANSPARENT
: OPAQUE);
if ( !m_oldMode )
{
wxLogLastError(_T("SetBkMode"));
}
}
private:
const HDC m_hdc;
int m_oldMode;
wxDECLARE_NO_COPY_CLASS(wxBkModeChanger);
};
// instead of duplicating the same code which sets and then restores text
// colours in each wxDC method working with wxSTIPPLE_MASK_OPAQUE brushes,
// encapsulate this in a small helper class