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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "PresenterTextView.hxx"
21 : #include "facreg.hxx"
22 :
23 : #include <i18nlangtag/mslangid.hxx>
24 : #include <cppcanvas/vclfactory.hxx>
25 : #include <svl/itempool.hxx>
26 : #include <svl/itemset.hxx>
27 : #include <unotools/linguprops.hxx>
28 : #include <unotools/lingucfg.hxx>
29 : #include <editeng/colritem.hxx>
30 : #include <editeng/editeng.hxx>
31 : #include <editeng/editstat.hxx>
32 : #include <editeng/eeitem.hxx>
33 : #include <editeng/fhgtitem.hxx>
34 : #include <editeng/fontitem.hxx>
35 : #include <svx/xflclit.hxx>
36 : #include <vcl/bitmapex.hxx>
37 : #include <vcl/svapp.hxx>
38 : #include <vcl/virdev.hxx>
39 : #include <com/sun/star/awt/FontDescriptor.hpp>
40 : #include <com/sun/star/awt/Size.hpp>
41 : #include <com/sun/star/rendering/XSpriteCanvas.hpp>
42 : #include <com/sun/star/rendering/XBitmapCanvas.hpp>
43 : #include <com/sun/star/uno/XComponentContext.hpp>
44 : #include <com/sun/star/util/Color.hpp>
45 : #include <com/sun/star/i18n/ScriptType.hpp>
46 :
47 : using namespace ::com::sun::star;
48 : using namespace ::com::sun::star::uno;
49 : using namespace ::com::sun::star::lang;
50 :
51 : namespace sd { namespace presenter {
52 :
53 : // Service
54 0 : Reference<XInterface> SAL_CALL PresenterTextViewService_createInstance (
55 : const Reference<XComponentContext>& rxContext) throw (css::uno::Exception)
56 : {
57 0 : return Reference<XInterface>(static_cast<XWeak*>(new PresenterTextView(rxContext)));
58 : }
59 :
60 34 : OUString PresenterTextViewService_getImplementationName (void) throw(RuntimeException)
61 : {
62 34 : return OUString("com.sun.star.comp.Draw.PresenterTextView");
63 : }
64 :
65 0 : Sequence<OUString> SAL_CALL PresenterTextViewService_getSupportedServiceNames (void)
66 : throw (RuntimeException)
67 : {
68 0 : static const OUString sServiceName("com.sun.star.drawing.PresenterTextView");
69 0 : return Sequence<OUString>(&sServiceName, 1);
70 : }
71 :
72 : // PresenterTextView::Implementation
73 : class PresenterTextView::Implementation
74 : {
75 : public:
76 : const OUString msTextPropertyName;
77 : const OUString msBitmapPropertyName;
78 : const OUString msSizePropertyName;
79 : const OUString msBackgroundColorPropertyName;
80 : const OUString msTextColorPropertyName;
81 : const OUString msFontDescriptorPropertyName;
82 : const OUString msTopPropertyName;
83 : const OUString msTopRelativePropertyName;
84 : const OUString msTotalHeightPropertyName;
85 :
86 : Implementation (void);
87 : ~Implementation (void);
88 :
89 : void SetCanvas (const cppcanvas::CanvasSharedPtr& rCanvas);
90 : void SetSize (const Size aSize);
91 : void SetBackgroundColor (const Color aColor);
92 : void SetTextColor (const Color aColor);
93 : void SetFontDescriptor (const awt::FontDescriptor& rFontDescriptor);
94 0 : sal_Int32 GetTop (void) const { return mnTop;}
95 : void SetTop (const sal_Int32 nTop);
96 : void SetText (const OUString& Text);
97 : sal_Int32 ParseDistance (const OUString& rsDistance) const;
98 : Reference<rendering::XBitmap> GetBitmap (void);
99 : sal_Int32 GetTotalHeight (void);
100 :
101 : private:
102 : Reference<rendering::XBitmap> mxBitmap;
103 : cppcanvas::CanvasSharedPtr mpCanvas;
104 : VirtualDevice* mpOutputDevice;
105 : EditEngine* mpEditEngine;
106 : SfxItemPool* mpEditEngineItemPool;
107 : Size maSize;
108 : Color maBackgroundColor;
109 : Color maTextColor;
110 : OUString msText;
111 : sal_Int32 mnTop;
112 : sal_Int32 mnTotalHeight;
113 :
114 : EditEngine * GetEditEngine (void);
115 : EditEngine* CreateEditEngine (void);
116 : void CheckTop (void);
117 : };
118 :
119 : // PresenterTextView
120 0 : PresenterTextView::PresenterTextView (const Reference<XComponentContext>& rxContext)
121 : : PresenterTextViewInterfaceBase(),
122 0 : mpImplementation(new Implementation())
123 : {
124 : (void)rxContext;
125 0 : }
126 :
127 0 : PresenterTextView::~PresenterTextView (void)
128 : {
129 0 : }
130 :
131 0 : void SAL_CALL PresenterTextView::disposing (void)
132 : {
133 0 : mpImplementation.reset();
134 0 : }
135 :
136 : // XInitialization
137 0 : void SAL_CALL PresenterTextView::initialize (const Sequence<Any>& rArguments)
138 : throw (Exception, RuntimeException, std::exception)
139 : {
140 0 : ThrowIfDisposed();
141 :
142 0 : if (rArguments.getLength() == 1)
143 : {
144 : try
145 : {
146 0 : Reference<rendering::XCanvas> xCanvas (rArguments[0], UNO_QUERY_THROW);
147 0 : if (xCanvas.is())
148 : {
149 : mpImplementation->SetCanvas(
150 0 : cppcanvas::VCLFactory::getInstance().createCanvas(xCanvas));
151 0 : }
152 : }
153 0 : catch (RuntimeException&)
154 : {
155 0 : throw;
156 : }
157 : }
158 : else
159 : {
160 : throw RuntimeException("PresenterTextView: invalid number of arguments",
161 0 : static_cast<XWeak*>(this));
162 : }
163 0 : }
164 :
165 0 : Any PresenterTextView::GetPropertyValue (const OUString& rsPropertyName)
166 : {
167 0 : ThrowIfDisposed();
168 :
169 0 : if (rsPropertyName == mpImplementation->msBitmapPropertyName)
170 : {
171 0 : return Any(mpImplementation->GetBitmap());
172 : }
173 0 : else if (rsPropertyName == mpImplementation->msTopPropertyName)
174 : {
175 0 : return Any(mpImplementation->GetTop());
176 : }
177 0 : else if (rsPropertyName == mpImplementation->msTotalHeightPropertyName)
178 : {
179 0 : return Any(mpImplementation->GetTotalHeight());
180 : }
181 :
182 0 : return Any();
183 : }
184 :
185 0 : Any PresenterTextView::SetPropertyValue (
186 : const OUString& rsPropertyName,
187 : const css::uno::Any& rValue)
188 : {
189 0 : ThrowIfDisposed();
190 :
191 0 : Any aOldValue;
192 0 : if (rsPropertyName == mpImplementation->msTextPropertyName)
193 : {
194 0 : OUString sText;
195 0 : if (rValue >>= sText)
196 0 : mpImplementation->SetText(sText);
197 : }
198 0 : else if (rsPropertyName == mpImplementation->msSizePropertyName)
199 : {
200 0 : awt::Size aSize;
201 0 : if (rValue >>= aSize)
202 0 : mpImplementation->SetSize(Size(aSize.Width,aSize.Height));
203 : }
204 0 : else if (rsPropertyName == mpImplementation->msBackgroundColorPropertyName)
205 : {
206 0 : util::Color aColor = util::Color();
207 0 : if (rValue >>= aColor)
208 0 : mpImplementation->SetBackgroundColor(Color(aColor));
209 : }
210 0 : else if (rsPropertyName == mpImplementation->msTextColorPropertyName)
211 : {
212 0 : util::Color aColor = util::Color();
213 0 : if (rValue >>= aColor)
214 0 : mpImplementation->SetTextColor(Color(aColor));
215 : }
216 0 : else if (rsPropertyName == mpImplementation->msFontDescriptorPropertyName)
217 : {
218 0 : awt::FontDescriptor aFontDescriptor;
219 0 : if (rValue >>= aFontDescriptor)
220 0 : mpImplementation->SetFontDescriptor(aFontDescriptor);
221 : }
222 0 : else if (rsPropertyName == mpImplementation->msTopPropertyName)
223 : {
224 0 : sal_Int32 nTop = 0;
225 0 : if (rValue >>= nTop)
226 0 : mpImplementation->SetTop(nTop);
227 : }
228 0 : else if (rsPropertyName == mpImplementation->msTopRelativePropertyName)
229 : {
230 0 : OUString sDistance;
231 0 : if (rValue >>= sDistance)
232 : mpImplementation->SetTop(
233 0 : mpImplementation->GetTop()
234 0 : + mpImplementation->ParseDistance(sDistance));
235 : }
236 0 : return aOldValue;
237 : }
238 :
239 0 : void PresenterTextView::ThrowIfDisposed (void)
240 : throw (::com::sun::star::lang::DisposedException)
241 : {
242 0 : if (PresenterTextViewInterfaceBase::rBHelper.bDisposed
243 0 : || PresenterTextViewInterfaceBase::rBHelper.bInDispose
244 0 : || mpImplementation.get()==NULL)
245 : {
246 : throw lang::DisposedException ("PresenterTextView object has already been disposed",
247 0 : static_cast<uno::XWeak*>(this));
248 : }
249 0 : }
250 :
251 : // PresenterTextView::Implementation
252 0 : PresenterTextView::Implementation::Implementation (void)
253 : : msTextPropertyName("Text"),
254 : msBitmapPropertyName("Bitmap"),
255 : msSizePropertyName("Size"),
256 : msBackgroundColorPropertyName("BackgroundColor"),
257 : msTextColorPropertyName("TextColor"),
258 : msFontDescriptorPropertyName("FontDescriptor"),
259 : msTopPropertyName("Top"),
260 : msTopRelativePropertyName("RelativeTop"),
261 : msTotalHeightPropertyName("TotalHeight"),
262 : mxBitmap(),
263 : mpCanvas(),
264 0 : mpOutputDevice(new VirtualDevice(*Application::GetDefaultDevice(), 0, 0)),
265 : mpEditEngine(NULL),
266 0 : mpEditEngineItemPool(EditEngine::CreatePool()),
267 : maSize(100,100),
268 : maBackgroundColor(0xffffffff),
269 : maTextColor(0x00000000),
270 : msText(),
271 : mnTop(0),
272 0 : mnTotalHeight(-1)
273 : {
274 0 : mpOutputDevice->SetMapMode(MAP_PIXEL);
275 :
276 0 : GetEditEngine();
277 0 : }
278 :
279 0 : PresenterTextView::Implementation::~Implementation (void)
280 : {
281 0 : delete mpEditEngine;
282 0 : SfxItemPool::Free(mpEditEngineItemPool);
283 0 : delete mpOutputDevice;
284 0 : }
285 :
286 0 : EditEngine * PresenterTextView::Implementation::GetEditEngine (void)
287 : {
288 0 : if (mpEditEngine == NULL)
289 0 : mpEditEngine = CreateEditEngine ();
290 0 : return mpEditEngine;
291 : }
292 :
293 0 : EditEngine* PresenterTextView::Implementation::CreateEditEngine (void)
294 : {
295 0 : EditEngine* pEditEngine = mpEditEngine;
296 0 : if (pEditEngine == NULL)
297 : {
298 :
299 : // set fonts to be used
300 :
301 0 : SvtLinguOptions aOpt;
302 0 : SvtLinguConfig().GetOptions( aOpt );
303 :
304 : struct FontDta {
305 : sal_Int16 nFallbackLang;
306 : sal_Int16 nLang;
307 : sal_uInt16 nFontType;
308 : sal_uInt16 nFontInfoId;
309 : } aTable[3] =
310 : {
311 : // info to get western font to be used
312 : { LANGUAGE_ENGLISH_US, LANGUAGE_NONE,
313 : DEFAULTFONT_SERIF, EE_CHAR_FONTINFO },
314 : // info to get CJK font to be used
315 : { LANGUAGE_JAPANESE, LANGUAGE_NONE,
316 : DEFAULTFONT_CJK_TEXT, EE_CHAR_FONTINFO_CJK },
317 : // info to get CTL font to be used
318 : { LANGUAGE_ARABIC_SAUDI_ARABIA, LANGUAGE_NONE,
319 : DEFAULTFONT_CTL_TEXT, EE_CHAR_FONTINFO_CTL }
320 0 : };
321 0 : aTable[0].nLang = MsLangId::resolveSystemLanguageByScriptType(aOpt.nDefaultLanguage, ::com::sun::star::i18n::ScriptType::LATIN);
322 0 : aTable[1].nLang = MsLangId::resolveSystemLanguageByScriptType(aOpt.nDefaultLanguage_CJK, ::com::sun::star::i18n::ScriptType::ASIAN);
323 0 : aTable[2].nLang = MsLangId::resolveSystemLanguageByScriptType(aOpt.nDefaultLanguage_CTL, ::com::sun::star::i18n::ScriptType::COMPLEX);
324 :
325 0 : for (int i = 0; i < 3; ++i)
326 : {
327 0 : const FontDta &rFntDta = aTable[i];
328 0 : LanguageType nLang = (LANGUAGE_NONE == rFntDta.nLang) ?
329 0 : rFntDta.nFallbackLang : rFntDta.nLang;
330 : vcl::Font aFont = OutputDevice::GetDefaultFont(
331 0 : rFntDta.nFontType, nLang, DEFAULTFONT_FLAGS_ONLYONE);
332 : mpEditEngineItemPool->SetPoolDefaultItem(
333 : SvxFontItem(
334 : aFont.GetFamily(),
335 0 : aFont.GetName(),
336 0 : aFont.GetStyleName(),
337 : aFont.GetPitch(),
338 0 : aFont.GetCharSet(),
339 0 : rFntDta.nFontInfoId));
340 0 : }
341 :
342 0 : pEditEngine = new EditEngine (mpEditEngineItemPool);
343 :
344 0 : pEditEngine->EnableUndo (true);
345 : pEditEngine->SetDefTab (sal_uInt16(
346 0 : Application::GetDefaultDevice()->GetTextWidth(OUString("XXXX"))));
347 :
348 : pEditEngine->SetControlWord(
349 0 : (pEditEngine->GetControlWord()
350 : | EE_CNTRL_AUTOINDENTING) &
351 : (~EE_CNTRL_UNDOATTRIBS) &
352 0 : (~EE_CNTRL_PASTESPECIAL));
353 :
354 0 : pEditEngine->SetWordDelimiters (" .=+-*/(){}[];\"");
355 0 : pEditEngine->SetRefMapMode (MAP_PIXEL);
356 0 : pEditEngine->SetPaperSize (Size(800, 0));
357 0 : pEditEngine->EraseVirtualDevice();
358 0 : pEditEngine->ClearModifyFlag();
359 : }
360 :
361 0 : return pEditEngine;
362 : }
363 :
364 0 : void PresenterTextView::Implementation::SetCanvas (const cppcanvas::CanvasSharedPtr& rpCanvas)
365 : {
366 0 : mpCanvas = rpCanvas;
367 0 : mxBitmap = NULL;
368 0 : }
369 :
370 0 : void PresenterTextView::Implementation::SetSize (const Size aSize)
371 : {
372 : DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
373 :
374 0 : maSize = aSize;
375 0 : mpEditEngine->SetPaperSize(maSize);
376 0 : mnTotalHeight = -1;
377 0 : mxBitmap = NULL;
378 0 : }
379 :
380 0 : void PresenterTextView::Implementation::SetBackgroundColor (const Color aColor)
381 : {
382 0 : maBackgroundColor = aColor;
383 0 : mxBitmap = NULL;
384 :
385 : DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
386 : DBG_ASSERT(mpEditEngineItemPool!=NULL, "EditEngineItemPool missing");
387 0 : mpEditEngine->SetBackgroundColor(aColor);
388 0 : mpEditEngine->EnableAutoColor(false);
389 0 : mpEditEngine->ForceAutoColor(false);
390 0 : }
391 :
392 0 : void PresenterTextView::Implementation::SetTextColor (const Color aColor)
393 : {
394 0 : maTextColor = aColor;
395 0 : mxBitmap = NULL;
396 :
397 : DBG_ASSERT(mpEditEngineItemPool!=NULL, "EditEngineItemPool missing");
398 0 : mpEditEngineItemPool->SetPoolDefaultItem(SvxColorItem(aColor, EE_CHAR_COLOR));
399 0 : }
400 :
401 0 : void PresenterTextView::Implementation::SetFontDescriptor (
402 : const awt::FontDescriptor& rFontDescriptor)
403 : {
404 0 : mxBitmap = NULL;
405 :
406 : DBG_ASSERT(mpEditEngineItemPool!=NULL, "EditEngineItemPool missing");
407 :
408 0 : const sal_Int32 nFontHeight = rFontDescriptor.Height;
409 :
410 : SvxFontHeightItem aFontHeight(
411 : Application::GetDefaultDevice()->LogicToPixel(
412 0 : Size(0, nFontHeight), MapMode (MAP_POINT)).Height(),
413 : 100,
414 0 : EE_CHAR_FONTHEIGHT);
415 0 : mpEditEngineItemPool->SetPoolDefaultItem( aFontHeight);
416 0 : aFontHeight.SetWhich (EE_CHAR_FONTHEIGHT_CJK);
417 0 : mpEditEngineItemPool->SetPoolDefaultItem( aFontHeight);
418 0 : aFontHeight.SetWhich (EE_CHAR_FONTHEIGHT_CTL);
419 0 : mpEditEngineItemPool->SetPoolDefaultItem( aFontHeight);
420 :
421 0 : SvxFontItem aSvxFontItem (EE_CHAR_FONTINFO);
422 0 : aSvxFontItem.SetFamilyName( rFontDescriptor.Name );
423 0 : mpEditEngineItemPool->SetPoolDefaultItem(aSvxFontItem);
424 :
425 0 : mnTotalHeight = -1;
426 0 : mxBitmap = NULL;
427 :
428 0 : CheckTop();
429 0 : mnTotalHeight = -1;
430 0 : }
431 :
432 0 : void PresenterTextView::Implementation::SetTop (const sal_Int32 nTop)
433 : {
434 0 : if (nTop == mnTop)
435 0 : return;
436 :
437 0 : mnTop = nTop;
438 0 : mxBitmap = NULL;
439 0 : CheckTop();
440 : }
441 :
442 0 : void PresenterTextView::Implementation::SetText (const OUString& rText)
443 : {
444 : DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
445 0 : msText = rText;
446 0 : mpEditEngine->SetPaperSize(maSize);
447 0 : mnTotalHeight = -1;
448 0 : mxBitmap = NULL;
449 0 : }
450 :
451 0 : sal_Int32 PresenterTextView::Implementation::ParseDistance (const OUString& rsDistance) const
452 : {
453 : DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
454 0 : sal_Int32 nDistance (0);
455 0 : if (rsDistance.endsWithAsciiL("px", 2))
456 : {
457 0 : nDistance = rsDistance.copy(0,rsDistance.getLength()-2).toInt32();
458 : }
459 0 : else if (rsDistance.endsWithAsciiL("l", 1))
460 : {
461 0 : const sal_Int32 nLines (rsDistance.copy(0,rsDistance.getLength()-1).toInt32());
462 : // Take the height of the first line as the height of every line.
463 0 : const sal_uInt32 nFirstLineHeight (mpEditEngine->GetLineHeight(0,0));
464 0 : nDistance = nFirstLineHeight * nLines;
465 : }
466 :
467 0 : return nDistance;
468 : }
469 :
470 0 : Reference<rendering::XBitmap> PresenterTextView::Implementation::GetBitmap (void)
471 : {
472 : DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
473 :
474 0 : if ( ! mxBitmap.is())
475 : {
476 0 : if (mpOutputDevice != NULL)
477 0 : delete mpOutputDevice;
478 0 : mpOutputDevice = new VirtualDevice(*Application::GetDefaultDevice(), 0, 0);
479 0 : mpOutputDevice->SetMapMode(MAP_PIXEL);
480 0 : mpOutputDevice->SetOutputSizePixel(maSize, true);
481 0 : mpOutputDevice->SetLineColor();
482 0 : mpOutputDevice->SetFillColor();
483 0 : mpOutputDevice->SetBackground(Wallpaper());
484 0 : mpOutputDevice->Erase();
485 :
486 0 : MapMode aMapMode (mpOutputDevice->GetMapMode());
487 0 : aMapMode.SetOrigin(Point(0,0));
488 0 : mpOutputDevice->SetMapMode(aMapMode);
489 0 : const Rectangle aWindowBox (Point(0,0), maSize);
490 0 : mpOutputDevice->DrawRect(aWindowBox);
491 :
492 0 : mpEditEngine->Clear();
493 0 : mpEditEngine->SetText(msText);
494 0 : mpEditEngine->SetPaperSize(maSize);
495 :
496 0 : mpEditEngine->Draw(mpOutputDevice, aWindowBox, Point(0,mnTop));
497 :
498 0 : const BitmapEx aBitmap (mpOutputDevice->GetBitmapEx(Point(0,0), maSize));
499 0 : mxBitmap = cppcanvas::VCLFactory::getInstance().createBitmap(
500 : mpCanvas,
501 : aBitmap
502 0 : )->getUNOBitmap();
503 : }
504 0 : return mxBitmap;
505 : }
506 :
507 0 : sal_Int32 PresenterTextView::Implementation::GetTotalHeight (void)
508 : {
509 : DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
510 :
511 0 : if (mnTotalHeight < 0)
512 : {
513 0 : if ( ! mxBitmap.is())
514 0 : GetBitmap();
515 0 : mnTotalHeight = mpEditEngine->GetTextHeight();
516 : }
517 0 : return mnTotalHeight;
518 : }
519 :
520 0 : void PresenterTextView::Implementation::CheckTop (void)
521 : {
522 : DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
523 :
524 0 : if (mnTotalHeight < 0)
525 0 : mnTotalHeight = mpEditEngine->GetTextHeight();
526 0 : if (mpEditEngine!=NULL && mnTop >= mnTotalHeight)
527 0 : mnTop = mnTotalHeight - mpEditEngine->GetLineHeight(0,0);
528 :
529 0 : if (mnTotalHeight < maSize.Height())
530 0 : mnTop = 0;
531 :
532 0 : if (mnTotalHeight - mnTop < maSize.Height())
533 0 : mnTop = mnTotalHeight - maSize.Height();
534 :
535 0 : if (mnTop < 0)
536 0 : mnTop = 0;
537 0 : }
538 :
539 114 : } } // end of namespace ::sd::presenter
540 :
541 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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