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wxMessageBox off the main thread lost result code.
[wxWidgets.git] / src / richtext / richtexthtml.cpp
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b71e9aa4 1/////////////////////////////////////////////////////////////////////////////
40989e46 2// Name: src/richtext/richtexthtml.cpp
b71e9aa4
JS		 3// Purpose: HTML I/O for wxRichTextCtrl
4// Author: Julian Smart
5// Modified by:
6// Created: 2005-09-30
b71e9aa4
JS		 7// Copyright: (c) Julian Smart
8// Licence: wxWindows licence
9/////////////////////////////////////////////////////////////////////////////
10
11// For compilers that support precompilation, includes "wx.h".
12#include "wx/wxprec.h"
13
14#ifdef __BORLANDC__
40989e46 15 #pragma hdrstop
b71e9aa4
JS		 16#endif
17
18#if wxUSE_RICHTEXT
19
20#include "wx/richtext/richtexthtml.h"
50f65288 21#include "wx/richtext/richtextstyles.h"
b71e9aa4
JS		 22
23#ifndef WX_PRECOMP
b71e9aa4
JS		 24#endif
25
26#include "wx/filename.h"
27#include "wx/wfstream.h"
28#include "wx/txtstrm.h"
29
d2d0adc7
JS		 30#if wxUSE_FILESYSTEM
31#include "wx/filesys.h"
32#include "wx/fs_mem.h"
33#endif
34
b71e9aa4
JS		 35IMPLEMENT_DYNAMIC_CLASS(wxRichTextHTMLHandler, wxRichTextFileHandler)
36
d2d0adc7
JS		 37int wxRichTextHTMLHandler::sm_fileCounter = 1;
38
50f65288
WS		 39wxRichTextHTMLHandler::wxRichTextHTMLHandler(const wxString& name, const wxString& ext, int type)
40 : wxRichTextFileHandler(name, ext, type), m_buffer(NULL), m_font(false), m_inTable(false)
41{
42 m_fontSizeMapping.Add(8);
43 m_fontSizeMapping.Add(10);
44 m_fontSizeMapping.Add(13);
45 m_fontSizeMapping.Add(17);
46 m_fontSizeMapping.Add(22);
47 m_fontSizeMapping.Add(30);
48 m_fontSizeMapping.Add(100);
49}
50
b71e9aa4
JS		 51/// Can we handle this filename (if using files)? By default, checks the extension.
52bool wxRichTextHTMLHandler::CanHandle(const wxString& filename) const
53{
54 wxString path, file, ext;
bd365871 55 wxFileName::SplitPath(filename, & path, & file, & ext);
b71e9aa4
JS		 56
57 return (ext.Lower() == wxT("html") || ext.Lower() == wxT("htm"));
58}
59
60
61#if wxUSE_STREAMS
62bool wxRichTextHTMLHandler::DoLoadFile(wxRichTextBuffer *WXUNUSED(buffer), wxInputStream& WXUNUSED(stream))
63{
64 return false;
65}
66
67/*
68 * We need to output only _changes_ in character formatting.
69 */
70
71bool wxRichTextHTMLHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
72{
50f65288
WS		 73 m_buffer = buffer;
74
d2d0adc7
JS		 75 ClearTemporaryImageLocations();
76
f7667b84
JS		 77 wxRichTextDrawingContext context(buffer);
78 buffer->Defragment(context);
b72812a6 79
2c48f032
JS		 80#if wxUSE_UNICODE
81 wxCSConv* customEncoding = NULL;
82 wxMBConv* conv = NULL;
83 if (!GetEncoding().IsEmpty())
b71e9aa4 84 {
2c48f032
JS		 85 customEncoding = new wxCSConv(GetEncoding());
86 if (!customEncoding->IsOk())
b71e9aa4 87 {
5276b0a5 88 wxDELETE(customEncoding);
2c48f032
JS		 89 }
90 }
91 if (customEncoding)
92 conv = customEncoding;
93 else
94 conv = & wxConvUTF8;
95#endif
40989e46 96
2c48f032
JS		 97 {
98#if wxUSE_UNICODE
99 wxTextOutputStream str(stream, wxEOL_NATIVE, *conv);
100#else
101 wxTextOutputStream str(stream, wxEOL_NATIVE);
102#endif
4fdc2c5f 103
24777478
JS		 104 wxRichTextAttr currentParaStyle = buffer->GetAttributes();
105 wxRichTextAttr currentCharStyle = buffer->GetAttributes();
4fdc2c5f 106
2c48f032
JS		 107 if ((GetFlags() & wxRICHTEXT_HANDLER_NO_HEADER_FOOTER) == 0)
108 str << wxT("<html><head></head><body>\n");
4fdc2c5f 109
2c48f032 110 OutputFont(currentParaStyle, str);
4fdc2c5f 111
2c48f032
JS		 112 m_font = false;
113 m_inTable = false;
4fdc2c5f 114
2c48f032
JS		 115 m_indents.Clear();
116 m_listTypes.Clear();
4fdc2c5f 117
2c48f032
JS		 118 wxRichTextObjectList::compatibility_iterator node = buffer->GetChildren().GetFirst();
119 while (node)
120 {
121 wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
122 wxASSERT (para != NULL);
4fdc2c5f 123
2c48f032 124 if (para)
b71e9aa4 125 {
24777478 126 wxRichTextAttr paraStyle(para->GetCombinedAttributes());
4fdc2c5f 127
2c48f032 128 BeginParagraphFormatting(currentParaStyle, paraStyle, str);
4fdc2c5f 129
2c48f032
JS		 130 wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst();
131 while (node2)
b71e9aa4 132 {
2c48f032
JS		 133 wxRichTextObject* obj = node2->GetData();
134 wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText);
135 if (textObj && !textObj->IsEmpty())
136 {
24777478 137 wxRichTextAttr charStyle(para->GetCombinedAttributes(obj->GetAttributes()));
2c48f032 138 BeginCharacterFormatting(currentCharStyle, charStyle, paraStyle, str);
4fdc2c5f 139
2c48f032 140 wxString text = textObj->GetText();
4fdc2c5f 141
2c48f032
JS		 142 if (charStyle.HasTextEffects() && (charStyle.GetTextEffects() & wxTEXT_ATTR_EFFECT_CAPITALS))
143 text.MakeUpper();
4fdc2c5f 144
2c48f032
JS		 145 wxString toReplace = wxRichTextLineBreakChar;
146 text.Replace(toReplace, wxT("<br>"));
4fdc2c5f 147
2c48f032 148 str << text;
4fdc2c5f 149
2c48f032
JS		 150 EndCharacterFormatting(currentCharStyle, charStyle, paraStyle, str);
151 }
4fdc2c5f 152
2c48f032
JS		 153 wxRichTextImage* image = wxDynamicCast(obj, wxRichTextImage);
154 if( image && (!image->IsEmpty() || image->GetImageBlock().GetData()))
155 WriteImage( image, stream );
4fdc2c5f 156
2c48f032 157 node2 = node2->GetNext();
b71e9aa4 158 }
4fdc2c5f 159
2c48f032 160 EndParagraphFormatting(currentParaStyle, paraStyle, str);
4fdc2c5f 161
2c48f032 162 str << wxT("\n");
b71e9aa4 163 }
2c48f032 164 node = node->GetNext();
b71e9aa4 165 }
4fdc2c5f 166
2c48f032 167 CloseLists(-1, str);
4fdc2c5f 168
2c48f032 169 str << wxT("</font>");
4fdc2c5f 170
2c48f032
JS		 171 if ((GetFlags() & wxRICHTEXT_HANDLER_NO_HEADER_FOOTER) == 0)
172 str << wxT("</body></html>");
4fdc2c5f 173
2c48f032 174 str << wxT("\n");
b71e9aa4 175 }
b72812a6 176
2c48f032
JS		 177#if wxUSE_UNICODE
178 if (customEncoding)
179 delete customEncoding;
180#endif
40989e46 181
50f65288
WS		 182 m_buffer = NULL;
183
b71e9aa4
JS		 184 return true;
185}
186
24777478 187void wxRichTextHTMLHandler::BeginCharacterFormatting(const wxRichTextAttr& currentStyle, const wxRichTextAttr& thisStyle, const wxRichTextAttr& WXUNUSED(paraStyle), wxTextOutputStream& str)
b71e9aa4 188{
2dec6761 189 wxString style;
40989e46 190
d2d0adc7 191 // Is there any change in the font properties of the item?
44cc96a8 192 if (thisStyle.GetFontFaceName() != currentStyle.GetFontFaceName())
d2d0adc7 193 {
44cc96a8 194 wxString faceName(thisStyle.GetFontFaceName());
d2d0adc7
JS		 195 style += wxString::Format(wxT(" face=\"%s\""), faceName.c_str());
196 }
44cc96a8
JS		 197 if (thisStyle.GetFontSize() != currentStyle.GetFontSize())
198 style += wxString::Format(wxT(" size=\"%ld\""), PtToSize(thisStyle.GetFontSize()));
5701f833
JS		 199
200 bool bTextColourChanged = (thisStyle.GetTextColour() != currentStyle.GetTextColour());
201 bool bBackgroundColourChanged = (thisStyle.GetBackgroundColour() != currentStyle.GetBackgroundColour());
202 if (bTextColourChanged || bBackgroundColourChanged)
d2d0adc7 203 {
5701f833
JS		 204 style += wxT(" style=\"");
205
206 if (bTextColourChanged)
207 {
208 wxString color(thisStyle.GetTextColour().GetAsString(wxC2S_HTML_SYNTAX));
209 style += wxString::Format(wxT("color: %s"), color.c_str());
210 }
211 if (bTextColourChanged && bBackgroundColourChanged)
212 style += wxT(";");
213 if (bBackgroundColourChanged)
214 {
215 wxString color(thisStyle.GetBackgroundColour().GetAsString(wxC2S_HTML_SYNTAX));
216 style += wxString::Format(wxT("background-color: %s"), color.c_str());
217 }
218
219 style += wxT("\"");
d2d0adc7 220 }
40989e46 221
d2d0adc7 222 if (style.size())
21e354f1
JS		 223 {
224 str << wxString::Format(wxT("<font %s >"), style.c_str());
225 m_font = true;
226 }
40989e46 227
43f4e852 228 if (thisStyle.GetFontWeight() == wxFONTWEIGHT_BOLD)
2dec6761 229 str << wxT("<b>");
43f4e852 230 if (thisStyle.GetFontStyle() == wxFONTSTYLE_ITALIC)
2dec6761 231 str << wxT("<i>");
44cc96a8 232 if (thisStyle.GetFontUnderlined())
2dec6761 233 str << wxT("<u>");
b72812a6 234
d2d0adc7
JS		 235 if (thisStyle.HasURL())
236 str << wxT("<a href=\"") << thisStyle.GetURL() << wxT("\">");
75936ec6
JS		 237
238 if (thisStyle.HasTextEffects())
239 {
240 if (thisStyle.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH)
241 str << wxT("<del>");
242 if (thisStyle.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT)
243 str << wxT("<sup>");
244 if (thisStyle.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUBSCRIPT)
245 str << wxT("<sub>");
246 }
b71e9aa4
JS		 247}
248
24777478 249void wxRichTextHTMLHandler::EndCharacterFormatting(const wxRichTextAttr& WXUNUSED(currentStyle), const wxRichTextAttr& thisStyle, const wxRichTextAttr& WXUNUSED(paraStyle), wxTextOutputStream& stream)
b71e9aa4 250{
d2d0adc7 251 if (thisStyle.HasURL())
50f65288 252 stream << wxT("</a>");
d2d0adc7 253
44cc96a8 254 if (thisStyle.GetFontUnderlined())
50f65288 255 stream << wxT("</u>");
43f4e852 256 if (thisStyle.GetFontStyle() == wxFONTSTYLE_ITALIC)
50f65288 257 stream << wxT("</i>");
43f4e852 258 if (thisStyle.GetFontWeight() == wxFONTWEIGHT_BOLD)
50f65288 259 stream << wxT("</b>");
40989e46 260
75936ec6
JS		 261 if (thisStyle.HasTextEffects())
262 {
263 if (thisStyle.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH)
264 stream << wxT("</del>");
265 if (thisStyle.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT)
266 stream << wxT("</sup>");
267 if (thisStyle.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUBSCRIPT)
268 stream << wxT("</sub>");
269 }
270
d2d0adc7 271 if (m_font)
2dec6761
JS		 272 {
273 m_font = false;
50f65288 274 stream << wxT("</font>");
2dec6761
JS		 275 }
276}
b71e9aa4 277
50f65288 278/// Begin paragraph formatting
24777478 279void wxRichTextHTMLHandler::BeginParagraphFormatting(const wxRichTextAttr& WXUNUSED(currentStyle), const wxRichTextAttr& thisStyle, wxTextOutputStream& str)
2dec6761 280{
42688aea
JS		 281 if (thisStyle.HasPageBreak())
282 {
42688aea
JS		 283 str << wxT("<div style=\"page-break-after:always\"></div>\n");
284 }
40989e46 285
7947a11d 286 if (thisStyle.HasLeftIndent() && thisStyle.GetLeftIndent() != 0)
2dec6761 287 {
50f65288 288 if (thisStyle.HasBulletStyle())
2dec6761 289 {
50f65288
WS		 290 int indent = thisStyle.GetLeftIndent();
291
292 // Close levels high than this
293 CloseLists(indent, str);
b72812a6 294
50f65288
WS		 295 if (m_indents.GetCount() > 0 && indent == m_indents.Last())
296 {
297 // Same level, no need to start a new list
298 }
299 else if (m_indents.GetCount() == 0 || indent > m_indents.Last())
300 {
301 m_indents.Add(indent);
b72812a6 302
50f65288
WS		 303 wxString tag;
304 int listType = TypeOfList(thisStyle, tag);
305 m_listTypes.Add(listType);
b72812a6 306
e5163682
JS		 307 // wxHTML needs an extra <p> before a list when using <p> ... </p> in previous paragraphs.
308 // TODO: pass a flag that indicates we're using wxHTML.
309 str << wxT("<p>\n");
b72812a6 310
50f65288
WS		 311 str << tag;
312 }
b72812a6 313
50f65288 314 str << wxT("<li> ");
2dec6761 315 }
2dec6761
JS		 316 else
317 {
50f65288 318 CloseLists(-1, str);
b72812a6 319
50f65288 320 wxString align = GetAlignment(thisStyle);
2b2c1044
JS		 321 str << wxString::Format(wxT("<p align=\"%s\""), align.c_str());
322
4fdc2c5f
JS		 323 wxString styleStr;
324
325 if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && thisStyle.HasParagraphSpacingBefore())
326 {
327 float spacingBeforeMM = thisStyle.GetParagraphSpacingBefore() / 10.0;
328
329 styleStr += wxString::Format(wxT("margin-top: %.2fmm; "), spacingBeforeMM);
330 }
331 if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && thisStyle.HasParagraphSpacingAfter())
332 {
333 float spacingAfterMM = thisStyle.GetParagraphSpacingAfter() / 10.0;
334
335 styleStr += wxString::Format(wxT("margin-bottom: %.2fmm; "), spacingAfterMM);
336 }
337
338 float indentLeftMM = (thisStyle.GetLeftIndent() + thisStyle.GetLeftSubIndent())/10.0;
339 if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && (indentLeftMM > 0.0))
340 {
341 styleStr += wxString::Format(wxT("margin-left: %.2fmm; "), indentLeftMM);
342 }
343 float indentRightMM = thisStyle.GetRightIndent()/10.0;
344 if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && thisStyle.HasRightIndent() && (indentRightMM > 0.0))
345 {
346 styleStr += wxString::Format(wxT("margin-right: %.2fmm; "), indentRightMM);
347 }
348 // First line indentation
349 float firstLineIndentMM = - thisStyle.GetLeftSubIndent() / 10.0;
350 if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && (firstLineIndentMM > 0.0))
351 {
352 styleStr += wxString::Format(wxT("text-indent: %.2fmm; "), firstLineIndentMM);
353 }
354
355 if (!styleStr.IsEmpty())
356 str << wxT(" style=\"") << styleStr << wxT("\"");
2b2c1044
JS		 357
358 str << wxT(">");
40989e46 359
50f65288 360 // TODO: convert to pixels
945c909d 361 int indentPixels = static_cast<int>(indentLeftMM*10/4);
4fdc2c5f
JS		 362
363 if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) == 0)
364 {
365 // Use a table to do indenting if we don't have CSS
366 str << wxString::Format(wxT("<table border=0 cellpadding=0 cellspacing=0><tr><td width=\"%d\"></td><td>"), indentPixels);
367 m_inTable = true;
368 }
50f65288 369
4fdc2c5f 370 if (((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) == 0) && (thisStyle.GetLeftSubIndent() < 0))
d2d0adc7 371 {
50f65288 372 str << SymbolicIndent( - thisStyle.GetLeftSubIndent());
d2d0adc7 373 }
2dec6761
JS		 374 }
375 }
50f65288
WS		 376 else
377 {
378 CloseLists(-1, str);
379
380 wxString align = GetAlignment(thisStyle);
2b2c1044
JS		 381 str << wxString::Format(wxT("<p align=\"%s\""), align.c_str());
382
4fdc2c5f
JS		 383 wxString styleStr;
384
385 if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && thisStyle.HasParagraphSpacingBefore())
386 {
387 float spacingBeforeMM = thisStyle.GetParagraphSpacingBefore() / 10.0;
388
389 styleStr += wxString::Format(wxT("margin-top: %.2fmm; "), spacingBeforeMM);
390 }
391 if ((GetFlags() & wxRICHTEXT_HANDLER_USE_CSS) && thisStyle.HasParagraphSpacingAfter())
392 {
393 float spacingAfterMM = thisStyle.GetParagraphSpacingAfter() / 10.0;
394
395 styleStr += wxString::Format(wxT("margin-bottom: %.2fmm; "), spacingAfterMM);
396 }
397
398 if (!styleStr.IsEmpty())
399 str << wxT(" style=\"") << styleStr << wxT("\"");
2b2c1044
JS		 400
401 str << wxT(">");
b72812a6 402 }
7e7ced16 403 OutputFont(thisStyle, str);
2dec6761 404}
50f65288
WS		 405
406/// End paragraph formatting
24777478 407void wxRichTextHTMLHandler::EndParagraphFormatting(const wxRichTextAttr& WXUNUSED(currentStyle), const wxRichTextAttr& thisStyle, wxTextOutputStream& stream)
2dec6761 408{
7e7ced16
JS		 409 if (thisStyle.HasFont())
410 stream << wxT("</font>");
411
50f65288 412 if (m_inTable)
2dec6761 413 {
c433798e 414 stream << wxT("</td></tr></table></p>\n");
50f65288 415 m_inTable = false;
2dec6761 416 }
e5163682 417 else if (!thisStyle.HasBulletStyle())
c433798e 418 stream << wxT("</p>\n");
2dec6761
JS		 419}
420
50f65288
WS		 421/// Closes lists to level (-1 means close all)
422void wxRichTextHTMLHandler::CloseLists(int level, wxTextOutputStream& str)
423{
424 // Close levels high than this
425 int i = m_indents.GetCount()-1;
426 while (i >= 0)
427 {
428 int l = m_indents[i];
429 if (l > level)
430 {
431 if (m_listTypes[i] == 0)
432 str << wxT("</ol>");
433 else
434 str << wxT("</ul>");
435 m_indents.RemoveAt(i);
436 m_listTypes.RemoveAt(i);
437 }
438 else
439 break;
440 i --;
441 }
442}
443
444/// Output font tag
24777478 445void wxRichTextHTMLHandler::OutputFont(const wxRichTextAttr& style, wxTextOutputStream& stream)
2dec6761 446{
50f65288
WS		 447 if (style.HasFont())
448 {
44cc96a8 449 stream << wxString::Format(wxT("<font face=\"%s\" size=\"%ld\""), style.GetFontFaceName().c_str(), PtToSize(style.GetFontSize()));
b72812a6
JS		 450 if (style.HasTextColour())
451 stream << wxString::Format(wxT(" color=\"%s\""), style.GetTextColour().GetAsString(wxC2S_HTML_SYNTAX).c_str());
452 stream << wxT(" >");
50f65288 453 }
2dec6761
JS		 454}
455
24777478 456int wxRichTextHTMLHandler::TypeOfList( const wxRichTextAttr& thisStyle, wxString& tag )
2dec6761 457{
d2d0adc7
JS		 458 // We can use number attribute of li tag but not all the browsers support it.
459 // also wxHtmlWindow doesn't support type attribute.
40989e46 460
50f65288 461 bool m_is_ul = false;
d2d0adc7 462 if (thisStyle.GetBulletStyle() == (wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD))
2dec6761 463 tag = wxT("<ol type=\"1\">");
d2d0adc7 464 else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER)
2dec6761 465 tag = wxT("<ol type=\"A\">");
d2d0adc7 466 else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER)
2dec6761 467 tag = wxT("<ol type=\"a\">");
d2d0adc7 468 else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER)
2dec6761 469 tag = wxT("<ol type=\"I\">");
d2d0adc7 470 else if (thisStyle.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)
2dec6761 471 tag = wxT("<ol type=\"i\">");
b71e9aa4
JS		 472 else
473 {
2dec6761
JS		 474 tag = wxT("<ul>");
475 m_is_ul = true;
b71e9aa4 476 }
b72812a6 477
50f65288
WS		 478 if (m_is_ul)
479 return 1;
480 else
481 return 0;
b71e9aa4
JS		 482}
483
24777478 484wxString wxRichTextHTMLHandler::GetAlignment( const wxRichTextAttr& thisStyle )
2dec6761
JS		 485{
486 switch( thisStyle.GetAlignment() )
487 {
488 case wxTEXT_ALIGNMENT_LEFT:
489 return wxT("left");
490 case wxTEXT_ALIGNMENT_RIGHT:
491 return wxT("right");
492 case wxTEXT_ALIGNMENT_CENTER:
493 return wxT("center");
494 case wxTEXT_ALIGNMENT_JUSTIFIED:
495 return wxT("justify");
496 default:
497 return wxT("left");
498 }
499}
500
d2d0adc7 501void wxRichTextHTMLHandler::WriteImage(wxRichTextImage* image, wxOutputStream& stream)
2dec6761
JS		 502{
503 wxTextOutputStream str(stream);
40989e46 504
2dec6761 505 str << wxT("<img src=\"");
40989e46 506
d2d0adc7
JS		 507#if wxUSE_FILESYSTEM
508 if (GetFlags() & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY)
509 {
cdaed652 510#if 0
a1b806b9 511 if (!image->GetImage().IsOk() && image->GetImageBlock().GetData())
d2d0adc7 512 image->LoadFromBlock();
a1b806b9 513 if (image->GetImage().IsOk() && !image->GetImageBlock().GetData())
d2d0adc7 514 image->MakeBlock();
cdaed652 515#endif
d2d0adc7 516
cdaed652 517 if (image->GetImageBlock().IsOk())
b72812a6 518 {
cdaed652
VZ		 519 wxImage img;
520 image->GetImageBlock().Load(img);
521 if (img.IsOk())
522 {
523 wxString ext(image->GetImageBlock().GetExtension());
43f4e852 524 wxString tempFilename(wxString::Format(wxT("image%d.%s"), sm_fileCounter, ext.c_str()));
cdaed652 525 wxMemoryFSHandler::AddFile(tempFilename, img, image->GetImageBlock().GetImageType());
b72812a6 526
cdaed652 527 m_imageLocations.Add(tempFilename);
b72812a6 528
cdaed652
VZ		 529 str << wxT("memory:") << tempFilename;
530 }
d2d0adc7
JS		 531 }
532 else
533 str << wxT("memory:?");
40989e46 534
d2d0adc7
JS		 535 sm_fileCounter ++;
536 }
537 else if (GetFlags() & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES)
538 {
cdaed652 539#if 0
a1b806b9 540 if (!image->GetImage().IsOk() && image->GetImageBlock().GetData())
d2d0adc7 541 image->LoadFromBlock();
a1b806b9 542 if (image->GetImage().IsOk() && !image->GetImageBlock().GetData())
d2d0adc7 543 image->MakeBlock();
cdaed652 544#endif
d2d0adc7 545
a1b806b9 546 if (image->GetImageBlock().IsOk())
b72812a6 547 {
d2d0adc7
JS		 548 wxString tempDir(GetTempDir());
549 if (tempDir.IsEmpty())
550 tempDir = wxFileName::GetTempDir();
b72812a6 551
d2d0adc7 552 wxString ext(image->GetImageBlock().GetExtension());
43f4e852 553 wxString tempFilename(wxString::Format(wxT("%s/image%d.%s"), tempDir.c_str(), sm_fileCounter, ext.c_str()));
d2d0adc7 554 image->GetImageBlock().Write(tempFilename);
b72812a6 555
d2d0adc7 556 m_imageLocations.Add(tempFilename);
b72812a6
JS		 557
558 str << wxFileSystem::FileNameToURL(tempFilename);
d2d0adc7
JS		 559 }
560 else
561 str << wxT("file:?");
40989e46 562
d2d0adc7
JS		 563 sm_fileCounter ++;
564 }
565 else // if (GetFlags() & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_BASE64) // this is implied
566#endif
567 {
568 str << wxT("data:");
569 str << GetMimeType(image->GetImageBlock().GetImageType());
570 str << wxT(";base64,");
cdaed652 571#if 0
a1b806b9 572 if (image->GetImage().IsOk() && !image->GetImageBlock().GetData())
d2d0adc7 573 image->MakeBlock();
cdaed652 574#endif
a1b806b9 575 if (image->GetImageBlock().IsOk())
cdaed652
VZ		 576 {
577 wxChar* data = b64enc( image->GetImageBlock().GetData(), image->GetImageBlock().GetDataSize() );
578 str << data;
d2d0adc7 579
cdaed652
VZ		 580 delete[] data;
581 }
d2d0adc7 582 }
40989e46 583
2dec6761
JS		 584 str << wxT("\" />");
585}
586
d2d0adc7 587long wxRichTextHTMLHandler::PtToSize(long size)
2dec6761 588{
50f65288
WS		 589 int i;
590 int len = m_fontSizeMapping.GetCount();
591 for (i = 0; i < len; i++)
592 if (size <= m_fontSizeMapping[i])
593 return i+1;
b72812a6 594 return 7;
2dec6761
JS		 595}
596
597wxString wxRichTextHTMLHandler::SymbolicIndent(long indent)
598{
599 wxString in;
600 for(;indent > 0; indent -= 20)
601 in.Append( wxT("&nbsp;") );
602 return in;
603}
604
21e354f1 605const wxChar* wxRichTextHTMLHandler::GetMimeType(int imageType)
2dec6761
JS		 606{
607 switch(imageType)
608 {
609 case wxBITMAP_TYPE_BMP:
610 return wxT("image/bmp");
4ca8531f 611 case wxBITMAP_TYPE_TIFF:
2dec6761
JS		 612 return wxT("image/tiff");
613 case wxBITMAP_TYPE_GIF:
614 return wxT("image/gif");
615 case wxBITMAP_TYPE_PNG:
616 return wxT("image/png");
617 case wxBITMAP_TYPE_JPEG:
618 return wxT("image/jpeg");
619 default:
620 return wxT("image/unknown");
621 }
622}
623
d2d0adc7 624// exim-style base64 encoder
2dec6761
JS		 625wxChar* wxRichTextHTMLHandler::b64enc( unsigned char* input, size_t in_len )
626{
d2d0adc7
JS		 627 // elements of enc64 array must be 8 bit values
628 // otherwise encoder will fail
629 // hmmm.. Does wxT macro define a char as 16 bit value
630 // when compiling with UNICODE option?
21e354f1 631 static const wxChar enc64[] = wxT("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
2dec6761
JS		 632 wxChar* output = new wxChar[4*((in_len+2)/3)+1];
633 wxChar* p = output;
40989e46 634
2dec6761
JS		 635 while( in_len-- > 0 )
636 {
637 register wxChar a, b;
40989e46 638
2dec6761 639 a = *input++;
40989e46 640
2dec6761 641 *p++ = enc64[ (a >> 2) & 0x3f ];
40989e46 642
07854e5e 643 if( in_len-- == 0 )
2dec6761
JS		 644 {
645 *p++ = enc64[ (a << 4 ) & 0x30 ];
646 *p++ = '=';
647 *p++ = '=';
648 break;
649 }
40989e46 650
2dec6761 651 b = *input++;
40989e46 652
2dec6761 653 *p++ = enc64[(( a << 4 ) | ((b >> 4) &0xf )) & 0x3f];
40989e46 654
07854e5e 655 if( in_len-- == 0 )
2dec6761
JS		 656 {
657 *p++ = enc64[ (b << 2) & 0x3f ];
658 *p++ = '=';
659 break;
660 }
40989e46 661
2dec6761 662 a = *input++;
40989e46 663
2dec6761 664 *p++ = enc64[ ((( b << 2 ) & 0x3f ) | ((a >> 6)& 0x3)) & 0x3f ];
40989e46 665
2dec6761
JS		 666 *p++ = enc64[ a & 0x3f ];
667 }
668 *p = 0;
40989e46 669
2dec6761
JS		 670 return output;
671}
b71e9aa4 672#endif
2dec6761 673// wxUSE_STREAMS
b71e9aa4 674
d2d0adc7
JS		 675/// Delete the in-memory or temporary files generated by the last operation
676bool wxRichTextHTMLHandler::DeleteTemporaryImages()
677{
678 return DeleteTemporaryImages(GetFlags(), m_imageLocations);
679}
680
681/// Delete the in-memory or temporary files generated by the last operation
682bool wxRichTextHTMLHandler::DeleteTemporaryImages(int flags, const wxArrayString& imageLocations)
683{
684 size_t i;
685 for (i = 0; i < imageLocations.GetCount(); i++)
686 {
687 wxString location = imageLocations[i];
b72812a6 688
d2d0adc7
JS		 689 if (flags & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY)
690 {
691#if wxUSE_FILESYSTEM
692 wxMemoryFSHandler::RemoveFile(location);
693#endif
694 }
695 else if (flags & wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES)
696 {
697 if (wxFileExists(location))
698 wxRemoveFile(location);
699 }
700 }
b72812a6 701
d2d0adc7
JS		 702 return true;
703}
704
705
b71e9aa4 706#endif
2dec6761 707// wxUSE_RICHTEXT
d2d0adc7 708
wxWidgets (Impactor)