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: effects.cpp 42755 2006-10-30 19:41:46Z VZ $
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
32IMPLEMENT_CLASS(wxEffects, wxObject)
33
34// Assume system colours
35wxEffects::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
45wxEffects::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
56void 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
89bool wxEffects::TileBitmap(const wxRect& rect, wxDC& dc, const wxBitmap& bitmap)
90{
91    int w = bitmap.GetWidth();
92    int h = bitmap.GetHeight();
93
94    wxMemoryDC dcMem;
95
96#if wxUSE_PALETTE
97    static bool hiColour = (wxDisplayDepth() >= 16) ;
98    if (bitmap.GetPalette() && !hiColour)
99    {
100        dc.SetPalette(* bitmap.GetPalette());
101        dcMem.SetPalette(* bitmap.GetPalette());
102    }
103#endif // wxUSE_PALETTE
104
105    dcMem.SelectObjectAsSource(bitmap);
106
107    int i, j;
108    for (i = rect.x; i < rect.x + rect.width; i += w)
109    {
110        for (j = rect.y; j < rect.y + rect.height; j+= h)
111            dc.Blit(i, j, bitmap.GetWidth(), bitmap.GetHeight(), & dcMem, 0, 0);
112    }
113    dcMem.SelectObject(wxNullBitmap);
114
115#if wxUSE_PALETTE
116    if (bitmap.GetPalette() && !hiColour)
117    {
118        dc.SetPalette(wxNullPalette);
119        dcMem.SetPalette(wxNullPalette);
120    }
121#endif // wxUSE_PALETTE
122
123    return true;
124}
125