src/common/effects.cpp

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