src/common/effects.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/effects.cpp
   3 // Purpose:     wxEffects 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  * wxEffects: various 3D effects
  30  */
  31
  32 IMPLEMENT_CLASS(wxEffects, wxObject)
  33
  34 // Assume system colours
  35 wxEffects::wxEffects()
  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 wxEffects::wxEffects(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 wxEffects::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 wxEffects::TileBitmap(const wxRect& rect, wxDC& dc, const wxBitmap& bitmap)
  90 {
  91     static bool hiColour = (wxDisplayDepth() >= 16) ;
  92
  93     int w = bitmap.GetWidth();
  94     int h = bitmap.GetHeight();
  95
  96     wxMemoryDC dcMem;
  97
  98 #if wxUSE_PALETTE
  99     if (bitmap.GetPalette() && !hiColour)
 100     {
 101         dc.SetPalette(* bitmap.GetPalette());
 102         dcMem.SetPalette(* bitmap.GetPalette());
 103     }
 104 #endif // wxUSE_PALETTE
 105
 106     dcMem.SelectObject(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 }