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 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #include "wx/effects.h"
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/dcmemory.h"
  22     #include "wx/pen.h"
  23     #include "wx/settings.h"
  24     #include "wx/gdicmn.h"
  25 #endif //WX_PRECOMP
  26
  27 #if WXWIN_COMPATIBILITY_2_8
  28
  29 /*
  30  * wxEffectsImpl: various 3D effects
  31  */
  32
  33 IMPLEMENT_CLASS(wxEffectsImpl, wxObject)
  34
  35 // Assume system colours
  36 wxEffectsImpl::wxEffectsImpl()
  37 {
  38     m_highlightColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT) ;
  39     m_lightShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT) ;
  40     m_faceColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE) ;
  41     m_mediumShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW) ;
  42     m_darkShadow = wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW) ;
  43 }
  44
  45 // Going from lightest to darkest
  46 wxEffectsImpl::wxEffectsImpl(const wxColour& highlightColour, const wxColour& lightShadow,
  47                 const wxColour& faceColour, const wxColour& mediumShadow, const wxColour& darkShadow)
  48 {
  49     m_highlightColour = highlightColour;
  50     m_lightShadow = lightShadow;
  51     m_faceColour = faceColour;
  52     m_mediumShadow = mediumShadow;
  53     m_darkShadow = darkShadow;
  54 }
  55
  56 // Draw a sunken edge
  57 void wxEffectsImpl::DrawSunkenEdge(wxDC& dc, const wxRect& rect, int WXUNUSED(borderSize))
  58 {
  59     wxPen highlightPen(m_highlightColour, 1, wxPENSTYLE_SOLID);
  60     wxPen lightShadowPen(m_lightShadow, 1, wxPENSTYLE_SOLID);
  61     wxPen facePen(m_faceColour, 1, wxPENSTYLE_SOLID);
  62     wxPen mediumShadowPen(m_mediumShadow, 1, wxPENSTYLE_SOLID);
  63     wxPen darkShadowPen(m_darkShadow, 1, wxPENSTYLE_SOLID);
  64
  65     //// LEFT AND TOP
  66     // Draw a medium shadow pen on left and top, followed by dark shadow line to
  67     // right and below of these lines
  68
  69     dc.SetPen(mediumShadowPen);
  70     dc.DrawLine(rect.x, rect.y, rect.x+rect.width-1, rect.y); // Top
  71     dc.DrawLine(rect.x, rect.y, rect.x, rect.y+rect.height-1); // Left
  72
  73     dc.SetPen(darkShadowPen);
  74     dc.DrawLine(rect.x+1, rect.y+1, rect.x+rect.width-2, rect.y+1); // Top
  75     dc.DrawLine(rect.x+1, rect.y+1, rect.x+1, rect.y+rect.height-1); // Left
  76
  77     //// RIGHT AND BOTTOM
  78
  79     dc.SetPen(highlightPen);
  80     dc.DrawLine(rect.x+rect.width-1, rect.y, rect.x+rect.width-1, rect.y+rect.height-1); // Right
  81     dc.DrawLine(rect.x, rect.y+rect.height-1, rect.x+rect.width, rect.y+rect.height-1); // Bottom
  82
  83     dc.SetPen(lightShadowPen);
  84     dc.DrawLine(rect.x+rect.width-2, rect.y+1, rect.x+rect.width-2, rect.y+rect.height-2); // Right
  85     dc.DrawLine(rect.x+1, rect.y+rect.height-2, rect.x+rect.width-1, rect.y+rect.height-2); // Bottom
  86
  87     dc.SetPen(wxNullPen);
  88 }
  89
  90 bool wxEffectsImpl::TileBitmap(const wxRect& rect, wxDC& dc, const wxBitmap& bitmap)
  91 {
  92     int w = bitmap.GetWidth();
  93     int h = bitmap.GetHeight();
  94
  95     wxMemoryDC dcMem;
  96
  97 #if wxUSE_PALETTE
  98     static bool hiColour = (wxDisplayDepth() >= 16) ;
  99     if (bitmap.GetPalette() && !hiColour)
 100     {
 101         dc.SetPalette(* bitmap.GetPalette());
 102         dcMem.SetPalette(* bitmap.GetPalette());
 103     }
 104 #endif // wxUSE_PALETTE
 105
 106     dcMem.SelectObjectAsSource(bitmap);
 107
 108     int i, j;
 109     for (i = rect.x; i < rect.x + rect.width; i += w)
 110     {
 111         for (j = rect.y; j < rect.y + rect.height; j+= h)
 112             dc.Blit(i, j, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
 113     }
 114     dcMem.SelectObject(wxNullBitmap);
 115
 116 #if wxUSE_PALETTE
 117     if (bitmap.GetPalette() && !hiColour)
 118     {
 119         dc.SetPalette(wxNullPalette);
 120         dcMem.SetPalette(wxNullPalette);
 121     }
 122 #endif // wxUSE_PALETTE
 123
 124     return true;
 125 }
 126
 127 #endif // WXWIN_COMPATIBILITY_2_8
 128