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effects.cpp
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2002-01-14
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/////////////////////////////////////////////////////////////////////////////
// Name: effects.cpp
// Purpose: wxEffects implementation
// Author: Julian Smart
// Modified by:
// Created: 25/4/2000
// RCS-ID: $Id: effects.cpp,v 1.5 2002/01/08 23:52:53 VS Exp $
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "effects.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/gdicmn.h"
#include "wx/pen.h"
#include "wx/dcmemory.h"
#include "wx/settings.h"
#include "wx/effects.h"
/*
* wxEffects: various 3D effects
*/
IMPLEMENT_CLASS(wxEffects, wxObject)
// Assume system colours
wxEffects::wxEffects()
{
m_highlightColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT) ;
m_lightShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT) ;
m_faceColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE) ;
m_mediumShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW) ;
m_darkShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW) ;
}
// Going from lightest to darkest
wxEffects::wxEffects(const wxColour& highlightColour, const wxColour& lightShadow,
const wxColour& faceColour, const wxColour& mediumShadow, const wxColour& darkShadow)
{
m_highlightColour = highlightColour;
m_lightShadow = lightShadow;
m_faceColour = faceColour;
m_mediumShadow = mediumShadow;
m_darkShadow = darkShadow;
}
// Draw a sunken edge
void wxEffects::DrawSunkenEdge(wxDC& dc, const wxRect& rect, int WXUNUSED(borderSize))
{
wxPen highlightPen(m_highlightColour, 1, wxSOLID);
wxPen lightShadowPen(m_lightShadow, 1, wxSOLID);
wxPen facePen(m_faceColour, 1, wxSOLID);
wxPen mediumShadowPen(m_mediumShadow, 1, wxSOLID);
wxPen darkShadowPen(m_darkShadow, 1, wxSOLID);
//// LEFT AND TOP
// Draw a medium shadow pen on left and top, followed by dark shadow line to
// right and below of these lines
dc.SetPen(mediumShadowPen);
dc.DrawLine(rect.x, rect.y, rect.x+rect.width-1, rect.y); // Top
dc.DrawLine(rect.x, rect.y, rect.x, rect.y+rect.height-1); // Left
dc.SetPen(darkShadowPen);
dc.DrawLine(rect.x+1, rect.y+1, rect.x+rect.width-2, rect.y+1); // Top
dc.DrawLine(rect.x+1, rect.y+1, rect.x+1, rect.y+rect.height-1); // Left
//// RIGHT AND BOTTOM
dc.SetPen(highlightPen);
dc.DrawLine(rect.x+rect.width-1, rect.y, rect.x+rect.width-1, rect.y+rect.height-1); // Right
dc.DrawLine(rect.x, rect.y+rect.height-1, rect.x+rect.width, rect.y+rect.height-1); // Bottom
dc.SetPen(lightShadowPen);
dc.DrawLine(rect.x+rect.width-2, rect.y+1, rect.x+rect.width-2, rect.y+rect.height-2); // Right
dc.DrawLine(rect.x+1, rect.y+rect.height-2, rect.x+rect.width-1, rect.y+rect.height-2); // Bottom
dc.SetPen(wxNullPen);
}
bool wxEffects::TileBitmap(const wxRect& rect, wxDC& dc, wxBitmap& bitmap)
{
static bool hiColour = (wxDisplayDepth() >= 16) ;
int w = bitmap.GetWidth();
int h = bitmap.GetHeight();
wxMemoryDC dcMem;
#if wxUSE_PALETTE
if (bitmap.GetPalette() && !hiColour)
{
dc.SetPalette(* bitmap.GetPalette());
dcMem.SetPalette(* bitmap.GetPalette());
}
#endif // wxUSE_PALETTE
dcMem.SelectObject(bitmap);
int i, j;
for (i = rect.x; i < rect.x + rect.width; i += w)
{
for (j = rect.y; j < rect.y + rect.height; j+= h)
dc.Blit(i, j, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
}
dcMem.SelectObject(wxNullBitmap);
#if wxUSE_PALETTE
if (bitmap.GetPalette() && !hiColour)
{
dc.SetPalette(wxNullPalette);
dcMem.SetPalette(wxNullPalette);
}
#endif // wxUSE_PALETTE
return TRUE;
}