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 #ifdef __GNUG__
  13 #pragma implementation "effects.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #include "wx/gdicmn.h"
  24 #include "wx/pen.h"
  25 #include "wx/dcmemory.h"
  26 #include "wx/settings.h"
  27 #include "wx/effects.h"
  28
  29 /*
  30  * wxEffects: various 3D effects
  31  */
  32
  33 IMPLEMENT_CLASS(wxEffects, wxObject)
  34
  35 // Assume system colours
  36 wxEffects::wxEffects()
  37 {
  38     m_highlightColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT) ;
  39     m_lightShadow = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT) ;
  40     m_faceColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE) ;
  41     m_mediumShadow = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW) ;
  42     m_darkShadow = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW) ;
  43 }
  44
  45 // Going from lightest to darkest
  46 wxEffects::wxEffects(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 wxEffects::DrawSunkenEdge(wxDC& dc, const wxRect& rect, int borderSize)
  58 {
  59     wxPen highlightPen(m_highlightColour, 1, wxSOLID);
  60     wxPen lightShadowPen(m_lightShadow, 1, wxSOLID);
  61     wxPen facePen(m_faceColour, 1, wxSOLID);
  62     wxPen mediumShadowPen(m_mediumShadow, 1, wxSOLID);
  63     wxPen darkShadowPen(m_darkShadow, 1, wxSOLID);
  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 wxEffects::TileBitmap(const wxRect& rect, wxDC& dc, wxBitmap& bitmap)
  91 {
  92     static bool hiColour = (wxDisplayDepth() >= 16) ;
  93
  94     int w = bitmap.GetWidth();
  95     int h = bitmap.GetHeight();
  96
  97     wxMemoryDC dcMem;
  98
  99     if (bitmap.GetPalette() && !hiColour)
 100     {
 101         dc.SetPalette(* bitmap.GetPalette());
 102         dcMem.SetPalette(* bitmap.GetPalette());
 103     }
 104     dcMem.SelectObject(bitmap);
 105
 106     int i, j;
 107     for (i = rect.x; i < rect.x + rect.width; i += w)
 108     {
 109         for (j = rect.y; j < rect.y + rect.height; j+= h)
 110             dc.Blit(i, j, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
 111     }
 112     dcMem.SelectObject(wxNullBitmap);
 113
 114     if (bitmap.GetPalette() && !hiColour)
 115     {
 116         dc.SetPalette(wxNullPalette);
 117         dcMem.SetPalette(wxNullPalette);
 118     }
 119
 120     return TRUE;
 121 }