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Added formatting and symbols dialogs.
[wxWidgets.git] / src / os2 / dcmemory.cpp
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0e320a79 1/////////////////////////////////////////////////////////////////////////////
670f9935 2// Name: src/os2/dcmemory.cpp
0e320a79 3// Purpose: wxMemoryDC class
fb46a9a6 4// Author: David Webster
0e320a79 5// Modified by:
fb46a9a6 6// Created: 10/14/99
0e320a79 7// RCS-ID: $Id$
fb46a9a6 8// Copyright: (c) David Webster
65571936 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
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12// For compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
14
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15#include "wx/dcmemory.h"
16
fb46a9a6 17#ifndef WX_PRECOMP
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18 #include "wx/utils.h"
19 #include "wx/app.h"
20 #include "wx/log.h"
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21#endif
22
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23#include "wx/os2/private.h"
24
fb46a9a6 25IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxDC)
0e320a79 26
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27/////////////////////////////////////////////////////////////////////////////
28// Memory DC
29/////////////////////////////////////////////////////////////////////////////
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30
31wxMemoryDC::wxMemoryDC(void)
32{
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33 CreateCompatible(NULL);
34 Init();
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35} // end of wxMemoryDC::wxMemoryDC
36
37wxMemoryDC::wxMemoryDC(
38 wxDC* pOldDC
39)
e1a688e4 40{
e1a688e4 41 CreateCompatible(pOldDC);
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42 Init();
43} // end of wxMemoryDC::wxMemoryDC
44
45void wxMemoryDC::Init()
46{
47 if (m_ok)
48 {
49 SetBrush(*wxWHITE_BRUSH);
50 SetPen(*wxBLACK_PEN);
51
52 // the background mode is only used for text background and is set in
53 // DrawText() to OPAQUE as required, otherwise always TRANSPARENT
54 ::GpiSetBackMix( GetHPS(), BM_LEAVEALONE );
55 }
1d0edc0f 56 memset(&m_vRclPaint, 0, sizeof(m_vRclPaint));
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57} // end of wxMemoryDC::Init
58
6670f564 59bool wxMemoryDC::CreateCompatible( wxDC* WXUNUSED(pDC) )
0e320a79 60{
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61 HDC hDC;
62 HPS hPS;
63 DEVOPENSTRUC vDOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
64 SIZEL vSize = {0, 0};
23122f8c 65
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66 //
67 // Create a memory device context
68 //
e1a688e4 69 hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDOP, NULLHANDLE);
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70 if (hDC != DEV_ERROR)
71 {
72 hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
73 if (hPS != GPI_ERROR)
74 {
75 m_hPS = hPS;
76 m_hDC = hDC;
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77 m_ok = true;
78 m_bOwnsDC = true;
e1a688e4 79 //
77ffb593 80 // Set the wxWidgets color table
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81 //
82 ::GpiCreateLogColorTable( m_hPS
83 ,0L
84 ,LCOLF_CONSECRGB
85 ,0L
86 ,(LONG)wxTheColourDatabase->m_nSize
87 ,(PLONG)wxTheColourDatabase->m_palTable
88 );
89 ::GpiCreateLogColorTable( m_hPS
90 ,0L
91 ,LCOLF_RGB
92 ,0L
93 ,0L
94 ,NULL
95 );
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96 }
97 else
98 {
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99 m_hPS = NULLHANDLE;
100 m_hDC = NULLHANDLE;
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101 m_ok = false;
102 m_bOwnsDC = false;
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103 }
104 }
105 else
106 {
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107 m_hPS = NULLHANDLE;
108 m_hDC = NULLHANDLE;
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109 m_ok = false;
110 m_bOwnsDC = false;
23122f8c 111 }
23122f8c 112
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113 //
114 // As we created the DC, we must delete it in the dtor
115 //
6670f564 116 m_bOwnsDC = true;
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117 m_ok = m_hDC != 0;
118 return m_ok;
119} // end of wxMemoryDC::CreateCompatible
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120
121void wxMemoryDC::SelectObject(
122 const wxBitmap& rBitmap
123)
0e320a79 124{
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125 //
126 // Select old bitmap out of the device context
127 //
128 if (m_hOldBitmap)
129 {
130 ::GpiSetBitmap(m_hPS, NULLHANDLE);
131 if (m_vSelectedBitmap.Ok())
132 {
133 m_vSelectedBitmap.SetSelectedInto(NULL);
134 m_vSelectedBitmap = wxNullBitmap;
135 }
136 }
137
138 //
139 // Check for whether the bitmap is already selected into a device context
140 //
141 wxCHECK_RET( !rBitmap.GetSelectedInto() ||
142 (rBitmap.GetSelectedInto() == this),
143 wxT("Bitmap is selected in another wxMemoryDC, delete the first wxMemoryDC or use SelectObject(NULL)") );
144
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145 WXHBITMAP hBmp = rBitmap.GetHBITMAP();
146
147 if (!hBmp)
148 {
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149 //
150 // Bmps drawn to are upside down, so flip it before committing
151 //
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152 POINTL vPoint[4] = { {0, m_vSelectedBitmap.GetHeight()}
153 ,{m_vSelectedBitmap.GetWidth(), 0}
154 ,{0, 0}
155 ,{m_vSelectedBitmap.GetWidth(), m_vSelectedBitmap.GetHeight()}
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156 };
157
158
159 ::GpiBitBlt( m_hPS
160 ,m_hPS
161 ,4
162 ,vPoint
163 ,ROP_SRCCOPY
164 ,BBO_IGNORE
165 );
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166 m_vSelectedBitmap.SetSelectedInto(NULL);
167 }
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168 m_vSelectedBitmap = rBitmap;
169
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170
171 if (!hBmp)
29172908 172 {
ad6bd870 173
29172908 174 m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, NULLHANDLE);
23122f8c 175 return;
29172908 176 }
23122f8c 177 m_vSelectedBitmap.SetSelectedInto(this);
29172908 178 m_hOldBitmap = (WXHBITMAP)::GpiSetBitmap(m_hPS, (HBITMAP)hBmp);
23122f8c 179
29172908 180 if (m_hOldBitmap == HBM_ERROR)
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181 {
182 wxLogLastError(wxT("SelectObject(memDC, bitmap)"));
183 wxFAIL_MSG(wxT("Couldn't select a bitmap into wxMemoryDC"));
184 }
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185} // end of wxMemoryDC::SelectObject
186
187void wxMemoryDC::DoGetSize(
188 int* pWidth
189, int* pHeight
190) const
0e320a79 191{
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192 if (!m_vSelectedBitmap.Ok())
193 {
194 *pWidth = 0;
195 *pHeight = 0;
196 return;
197 }
198 *pWidth = m_vSelectedBitmap.GetWidth();
199 *pHeight = m_vSelectedBitmap.GetHeight();
200} // end of wxMemoryDC::DoGetSize