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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::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 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 WXUNUSED(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 wxUSE_PALETTE
100 if (bitmap.GetPalette() && !hiColour)
101 {
102 dc.SetPalette(* bitmap.GetPalette());
103 dcMem.SetPalette(* bitmap.GetPalette());
104 }
105 #endif // wxUSE_PALETTE
106
107 dcMem.SelectObject(bitmap);
108
109 int i, j;
110 for (i = rect.x; i < rect.x + rect.width; i += w)
111 {
112 for (j = rect.y; j < rect.y + rect.height; j+= h)
113 dc.Blit(i, j, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
114 }
115 dcMem.SelectObject(wxNullBitmap);
116
117 #if wxUSE_PALETTE
118 if (bitmap.GetPalette() && !hiColour)
119 {
120 dc.SetPalette(wxNullPalette);
121 dcMem.SetPalette(wxNullPalette);
122 }
123 #endif // wxUSE_PALETTE
124
125 return TRUE;
126 }