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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: printps.cpp
3 // Purpose: Postscript print/preview framework
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 04/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart and Markus Holzem
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifdef __GNUG__
13 #pragma implementation "printps.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/defs.h"
24
25 #ifndef WX_PRECOMP
26 #include "wx/utils.h"
27 #include "wx/dc.h"
28 #include "wx/app.h"
29 #include "wx/msgdlg.h"
30 #include <wx/intl.h>
31 #endif
32
33 #include "wx/generic/printps.h"
34 #include "wx/dcprint.h"
35 #include "wx/printdlg.h"
36 #include "wx/generic/prntdlgg.h"
37
38 #include <stdlib.h>
39
40 #if !USE_SHARED_LIBRARY
41 IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
42 IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
43 #endif
44
45 /*
46 * Printer
47 */
48
49 wxPostScriptPrinter::wxPostScriptPrinter(wxPrintData *data):
50 wxPrinterBase(data)
51 {
52 }
53
54 wxPostScriptPrinter::~wxPostScriptPrinter(void)
55 {
56 }
57
58 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
59 {
60 sm_abortIt = FALSE;
61 sm_abortWindow = (wxWindow *) NULL;
62
63 if (!printout)
64 return FALSE;
65
66 printout->SetIsPreview(FALSE);
67 printout->OnPreparePrinting();
68
69 // Get some parameters from the printout, if defined
70 int fromPage, toPage;
71 int minPage, maxPage;
72 printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
73
74 if (maxPage == 0)
75 return FALSE;
76
77 m_printData.SetMinPage(minPage);
78 m_printData.SetMaxPage(maxPage);
79 if (fromPage != 0)
80 m_printData.SetFromPage(fromPage);
81 if (toPage != 0)
82 m_printData.SetToPage(toPage);
83
84 if (minPage != 0)
85 {
86 m_printData.EnablePageNumbers(TRUE);
87 if (m_printData.GetFromPage() < m_printData.GetMinPage())
88 m_printData.SetFromPage(m_printData.GetMinPage());
89 else if (m_printData.GetFromPage() > m_printData.GetMaxPage())
90 m_printData.SetFromPage(m_printData.GetMaxPage());
91 if (m_printData.GetToPage() > m_printData.GetMaxPage())
92 m_printData.SetToPage(m_printData.GetMaxPage());
93 else if (m_printData.GetToPage() < m_printData.GetMinPage())
94 m_printData.SetToPage(m_printData.GetMinPage());
95 }
96 else
97 m_printData.EnablePageNumbers(FALSE);
98
99 // Create a suitable device context
100 wxDC *dc = (wxDC *) NULL;
101 if (prompt)
102 {
103 wxGenericPrintDialog dialog(parent, & m_printData);
104 if (dialog.ShowModal() == wxID_OK)
105 {
106 dc = dialog.GetPrintDC();
107 m_printData = dialog.GetPrintData();
108 }
109 }
110 else
111 {
112 dc = new wxPostScriptDC(wxThePrintSetupData->GetPrinterFile(), FALSE, (wxWindow *) NULL);
113 }
114
115 // May have pressed cancel.
116 if (!dc || !dc->Ok())
117 {
118 if (dc) delete dc;
119 return FALSE;
120 }
121
122 int logPPIScreenX = 0;
123 int logPPIScreenY = 0;
124 int logPPIPrinterX = 0;
125 int logPPIPrinterY = 0;
126
127 logPPIScreenX = 100;
128 logPPIScreenY = 100;
129
130 /*
131 // Correct values for X/PostScript?
132 logPPIPrinterX = 100;
133 logPPIPrinterY = 100;
134 */
135
136 logPPIPrinterX = 72;
137 logPPIPrinterY = 72;
138
139 printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
140 printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
141
142 // Set printout parameters
143 printout->SetDC(dc);
144
145 int w, h;
146 long ww, hh;
147 dc->GetSize(&w, &h);
148 printout->SetPageSizePixels((int)w, (int)h);
149 dc->GetSizeMM(&ww, &hh);
150 printout->SetPageSizeMM((int)ww, (int)hh);
151
152 // Create an abort window
153 wxBeginBusyCursor();
154
155 printout->OnBeginPrinting();
156
157 bool keepGoing = TRUE;
158
159 int copyCount;
160 for (copyCount = 1; copyCount <= m_printData.GetNoCopies(); copyCount ++)
161 {
162 if (!printout->OnBeginDocument(m_printData.GetFromPage(), m_printData.GetToPage()))
163 {
164 wxEndBusyCursor();
165 wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
166 break;
167 }
168 if (sm_abortIt)
169 break;
170
171 int pn;
172 for (pn = m_printData.GetFromPage(); keepGoing && (pn <= m_printData.GetToPage()) && printout->HasPage(pn);
173 pn++)
174 {
175 if (sm_abortIt)
176 {
177 keepGoing = FALSE;
178 break;
179 }
180 else
181 {
182 dc->StartPage();
183 printout->OnPrintPage(pn);
184 dc->EndPage();
185 }
186 }
187 printout->OnEndDocument();
188 }
189
190 printout->OnEndPrinting();
191
192 wxEndBusyCursor();
193
194 delete dc;
195
196 return TRUE;
197 }
198
199 bool wxPostScriptPrinter::PrintDialog(wxWindow *parent)
200 {
201 wxGenericPrintDialog dialog(parent, & m_printData);
202 return (dialog.ShowModal() == wxID_OK);
203 }
204
205 bool wxPostScriptPrinter::Setup(wxWindow *parent)
206 {
207 wxGenericPrintDialog dialog(parent, & m_printData);
208 dialog.GetPrintData().SetSetupDialog(TRUE);
209 return (dialog.ShowModal() == wxID_OK);
210 }
211
212 /*
213 * Print preview
214 */
215
216 wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data):
217 wxPrintPreviewBase(printout, printoutForPrinting, data)
218 {
219 // Have to call it here since base constructor can't call it
220 DetermineScaling();
221 }
222
223 wxPostScriptPrintPreview::~wxPostScriptPrintPreview(void)
224 {
225 }
226
227 bool wxPostScriptPrintPreview::Print(bool interactive)
228 {
229 if (!m_printPrintout)
230 return FALSE;
231 wxPostScriptPrinter printer(&m_printData);
232 return printer.Print(m_previewFrame, m_printPrintout, interactive);
233 }
234
235 void wxPostScriptPrintPreview::DetermineScaling(void)
236 {
237 const char *paperType = wxThePrintSetupData->GetPaperName();
238 if (!paperType)
239 paperType = _("A4 210 x 297 mm");
240
241 wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
242 if (!paper)
243 paper = wxThePrintPaperDatabase->FindPaperType(_("A4 210 x 297 mm"));
244 if (paper)
245 {
246 m_previewPrintout->SetPPIScreen(100, 100);
247 // m_previewPrintout->SetPPIPrinter(100, 100);
248 m_previewPrintout->SetPPIPrinter(72, 72);
249
250 // If in landscape mode, we need to swap the width and height.
251 if ( m_printData.GetOrientation() == wxLANDSCAPE )
252 {
253 m_pageWidth = paper->heightPixels;
254 m_pageHeight = paper->widthPixels;
255 m_previewPrintout->SetPageSizeMM(paper->heightMM, paper->widthMM);
256 m_previewPrintout->SetPageSizePixels(paper->heightPixels, paper->widthPixels);
257 }
258 else
259 {
260 m_pageWidth = paper->widthPixels;
261 m_pageHeight = paper->heightPixels;
262 m_previewPrintout->SetPageSizeMM(paper->widthMM, paper->heightMM);
263 m_previewPrintout->SetPageSizePixels(paper->widthPixels, paper->heightPixels);
264 }
265
266 // At 100%, the page should look about page-size on the screen.
267 m_previewScale = (float)0.8;
268 // m_previewScale = (float)((float)screenWidth/(float)printerWidth);
269 // m_previewScale = previewScale * (float)((float)screenXRes/(float)printerYRes);
270 }
271 }
272