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