src/common/effects.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/effects.cpp
   3 // Purpose:     wxEffectsImpl implementation
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     25/4/2000
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #include "wx/effects.h"
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/dcmemory.h"
  23     #include "wx/pen.h"
  24     #include "wx/settings.h"
  25     #include "wx/gdicmn.h"
  26 #endif //WX_PRECOMP
  27
  28 /*
  29  * wxEffectsImpl: various 3D effects
  30  */
  31
  32 IMPLEMENT_CLASS(wxEffectsImpl, wxObject)
  33
  34 // Assume system colours
  35 wxEffectsImpl::wxEffectsImpl()
  36 {
  37     m_highlightColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT) ;
  38     m_lightShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT) ;
  39     m_faceColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE) ;
  40     m_mediumShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW) ;
  41     m_darkShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW) ;
  42 }
  43
  44 // Going from lightest to darkest
  45 wxEffectsImpl::wxEffectsImpl(const wxColour& highlightColour, const wxColour& lightShadow,
  46                 const wxColour& faceColour, const wxColour& mediumShadow, const wxColour& darkShadow)
  47 {
  48     m_highlightColour = highlightColour;
  49     m_lightShadow = lightShadow;
  50     m_faceColour = faceColour;
  51     m_mediumShadow = mediumShadow;
  52     m_darkShadow = darkShadow;
  53 }
  54
  55 // Draw a sunken edge
  56 void wxEffectsImpl::DrawSunkenEdge(wxDC& dc, const wxRect& rect, int WXUNUSED(borderSize))
  57 {
  58     wxPen highlightPen(m_highlightColour, 1, wxSOLID);
  59     wxPen lightShadowPen(m_lightShadow, 1, wxSOLID);
  60     wxPen facePen(m_faceColour, 1, wxSOLID);
  61     wxPen mediumShadowPen(m_mediumShadow, 1, wxSOLID);
  62     wxPen darkShadowPen(m_darkShadow, 1, wxSOLID);
  63
  64     //// LEFT AND TOP
  65     // Draw a medium shadow pen on left and top, followed by dark shadow line to
  66     // right and below of these lines
  67
  68     dc.SetPen(mediumShadowPen);
  69     dc.DrawLine(rect.x, rect.y, rect.x+rect.width-1, rect.y); // Top
  70     dc.DrawLine(rect.x, rect.y, rect.x, rect.y+rect.height-1); // Left
  71
  72     dc.SetPen(darkShadowPen);
  73     dc.DrawLine(rect.x+1, rect.y+1, rect.x+rect.width-2, rect.y+1); // Top
  74     dc.DrawLine(rect.x+1, rect.y+1, rect.x+1, rect.y+rect.height-1); // Left
  75
  76     //// RIGHT AND BOTTOM
  77
  78     dc.SetPen(highlightPen);
  79     dc.DrawLine(rect.x+rect.width-1, rect.y, rect.x+rect.width-1, rect.y+rect.height-1); // Right
  80     dc.DrawLine(rect.x, rect.y+rect.height-1, rect.x+rect.width, rect.y+rect.height-1); // Bottom
  81
  82     dc.SetPen(lightShadowPen);
  83     dc.DrawLine(rect.x+rect.width-2, rect.y+1, rect.x+rect.width-2, rect.y+rect.height-2); // Right
  84     dc.DrawLine(rect.x+1, rect.y+rect.height-2, rect.x+rect.width-1, rect.y+rect.height-2); // Bottom
  85
  86     dc.SetPen(wxNullPen);
  87 }
  88
  89 bool wxEffectsImpl::TileBitmap(const wxRect& rect, wxDC& dc, const wxBitmap& bitmap)
  90 {
  91     int w = bitmap.GetWidth();
  92     int h = bitmap.GetHeight();
  93
  94     wxMemoryDC dcMem;
  95
  96 #if wxUSE_PALETTE
  97     static bool hiColour = (wxDisplayDepth() >= 16) ;
  98     if (bitmap.GetPalette() && !hiColour)
  99     {
 100         dc.SetPalette(* bitmap.GetPalette());
 101         dcMem.SetPalette(* bitmap.GetPalette());
 102     }
 103 #endif // wxUSE_PALETTE
 104
 105     dcMem.SelectObjectAsSource(bitmap);
 106
 107     int i, j;
 108     for (i = rect.x; i < rect.x + rect.width; i += w)
 109     {
 110         for (j = rect.y; j < rect.y + rect.height; j+= h)
 111             dc.Blit(i, j, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
 112     }
 113     dcMem.SelectObject(wxNullBitmap);
 114
 115 #if wxUSE_PALETTE
 116     if (bitmap.GetPalette() && !hiColour)
 117     {
 118         dc.SetPalette(wxNullPalette);
 119         dcMem.SetPalette(wxNullPalette);
 120     }
 121 #endif // wxUSE_PALETTE
 122
 123     return true;
 124 }