46
|
1 |
/*
|
|
2 |
* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
|
|
3 |
* All rights reserved.
|
|
4 |
* This component and the accompanying materials are made available
|
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
6 |
* which accompanies this distribution, and is available
|
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
8 |
*
|
|
9 |
* Initial Contributors:
|
|
10 |
* Nokia Corporation - initial contribution.
|
|
11 |
*
|
|
12 |
* Contributors:
|
|
13 |
*
|
|
14 |
* Description: SVG Implementation header file
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
|
18 |
|
|
19 |
#ifndef _INC_CSVGTEXTELEMENTIMPL_
|
|
20 |
#define _INC_CSVGTEXTELEMENTIMPL_
|
|
21 |
|
|
22 |
#include "SVGElementImpl.h"
|
|
23 |
#include "SVGLangSpaceImpl.h"
|
|
24 |
#include "SVGFourPointRect.h"
|
|
25 |
#include "SVGListener.h"
|
|
26 |
#include "GfxPoint2D.h"
|
|
27 |
|
|
28 |
|
|
29 |
|
|
30 |
|
|
31 |
class CSvgErrorImpl;
|
|
32 |
|
|
33 |
class CSvgDocumentImpl;
|
|
34 |
class MXmlDocument;
|
|
35 |
|
|
36 |
enum TTextAnchor
|
|
37 |
{
|
|
38 |
EStartAnchor = 0,
|
|
39 |
EMiddleAnchor,
|
|
40 |
EEndAnchor
|
|
41 |
};
|
|
42 |
|
|
43 |
/**
|
|
44 |
* Class description goes here.
|
|
45 |
*
|
|
46 |
* @lib SVGEngine.lib
|
|
47 |
* @since 1.0
|
|
48 |
*/
|
|
49 |
class CSvgTextElementImpl : public CSvgElementImpl,
|
|
50 |
public MSvgMouseListener
|
|
51 |
{
|
|
52 |
public:
|
|
53 |
|
|
54 |
// Constructor/deconstructor
|
|
55 |
|
|
56 |
|
|
57 |
|
|
58 |
/**
|
|
59 |
* Need method description
|
|
60 |
*
|
|
61 |
* @since 1.0
|
|
62 |
* @param
|
|
63 |
* @return
|
|
64 |
*/
|
|
65 |
static CSvgTextElementImpl*NewL( const TUint8 aElemID,
|
|
66 |
CSvgDocumentImpl* aDoc );
|
|
67 |
|
|
68 |
/**
|
|
69 |
* Need method description
|
|
70 |
*
|
|
71 |
* @since 1.0
|
|
72 |
* @param
|
|
73 |
* @return
|
|
74 |
*/
|
|
75 |
static CSvgTextElementImpl*NewLC( const TUint8 aElemID,
|
|
76 |
CSvgDocumentImpl* aDoc );
|
|
77 |
|
|
78 |
private:
|
|
79 |
/**
|
|
80 |
* Need method description
|
|
81 |
*
|
|
82 |
* @since 1.0
|
|
83 |
* @param
|
|
84 |
* @return
|
|
85 |
*/
|
|
86 |
void ConstructL( const TUint8 aElemID );
|
|
87 |
|
|
88 |
|
|
89 |
|
|
90 |
public:
|
|
91 |
|
|
92 |
void UpdateCurrentScaledFont();
|
|
93 |
|
|
94 |
/**
|
|
95 |
* Need method description
|
|
96 |
*
|
|
97 |
* @since 1.0
|
|
98 |
* @param
|
|
99 |
* @return
|
|
100 |
*/
|
|
101 |
~CSvgTextElementImpl();
|
|
102 |
// From SVG DOM
|
|
103 |
|
|
104 |
/**
|
|
105 |
* Need method description
|
|
106 |
*
|
|
107 |
* @since 1.0
|
|
108 |
* @param
|
|
109 |
* @return
|
|
110 |
*/
|
|
111 |
TInt32 NumberOfChars();
|
|
112 |
|
|
113 |
/**
|
|
114 |
* Need method description
|
|
115 |
*
|
|
116 |
* @since 1.0
|
|
117 |
* @param
|
|
118 |
* @return
|
|
119 |
*/
|
|
120 |
void GetX( CArrayFix<TFloatFixPt>* aX );
|
|
121 |
|
|
122 |
/**
|
|
123 |
* Need method description
|
|
124 |
*
|
|
125 |
* @since 1.0
|
|
126 |
* @param
|
|
127 |
* @return
|
|
128 |
*/
|
|
129 |
void GetY( CArrayFix<TFloatFixPt>* aY );
|
|
130 |
|
|
131 |
// SVG Implementation
|
|
132 |
|
|
133 |
/**
|
|
134 |
* Need method description
|
|
135 |
*
|
|
136 |
* @since 1.0
|
|
137 |
* @param
|
|
138 |
* @return
|
|
139 |
*/
|
|
140 |
TBool IsNumberAttributeValid( const TDesC& aValue );
|
|
141 |
|
|
142 |
|
|
143 |
void SetTextL( const TDesC& aText ); // This is temporary API until CDATA is implemented
|
|
144 |
|
|
145 |
TDesC& GetText();
|
|
146 |
|
|
147 |
TBool LoadExternalSVGFontL( const TDesC& aText );
|
|
148 |
|
|
149 |
/**
|
|
150 |
* Need method description
|
|
151 |
*
|
|
152 |
* @since 1.0
|
|
153 |
* @param
|
|
154 |
* @return
|
|
155 |
*/
|
|
156 |
void SetX( CArrayFix<TFloatFixPt>* aX );
|
|
157 |
|
|
158 |
/**
|
|
159 |
* Need method description
|
|
160 |
*
|
|
161 |
* @since 1.0
|
|
162 |
* @param
|
|
163 |
* @return
|
|
164 |
*/
|
|
165 |
void SetY( CArrayFix<TFloatFixPt>* aX );
|
|
166 |
|
|
167 |
|
|
168 |
void SetXYArray(TUint16 aAtrId, CArrayFixFlat<TFloatFixPt>*& aX );
|
|
169 |
|
|
170 |
|
|
171 |
|
|
172 |
/**
|
|
173 |
* Need method description
|
|
174 |
*
|
|
175 |
* @since 1.0
|
|
176 |
* @param
|
|
177 |
* @return
|
|
178 |
*/
|
|
179 |
void SetTextDecoration( const TDesC& aValue );
|
|
180 |
|
|
181 |
/**
|
|
182 |
* Need method description
|
|
183 |
*
|
|
184 |
* @since 1.0
|
|
185 |
* @param
|
|
186 |
* @return
|
|
187 |
*/
|
|
188 |
void SetTextAnchor( const TDesC& aValue );
|
|
189 |
|
|
190 |
|
|
191 |
/**
|
|
192 |
* Need method description
|
|
193 |
*
|
|
194 |
* @since 1.0
|
|
195 |
* @param
|
|
196 |
* @return
|
|
197 |
*/
|
|
198 |
void SetFontFamilyL( const TDesC& aValue );
|
|
199 |
|
|
200 |
/**
|
|
201 |
* Need method description
|
|
202 |
*
|
|
203 |
* @since 1.0
|
|
204 |
* @param
|
|
205 |
* @return
|
|
206 |
*/
|
|
207 |
void SetRotateL( const TDesC& aValue );
|
|
208 |
|
|
209 |
/**
|
|
210 |
* Need method description
|
|
211 |
*
|
|
212 |
* @since 1.0
|
|
213 |
* @param
|
|
214 |
* @return
|
|
215 |
*/
|
|
216 |
|
|
217 |
|
|
218 |
|
|
219 |
/**
|
|
220 |
* Using generic function instead of SetArrayXL or SetArrrayYL
|
|
221 |
*
|
|
222 |
* @since 1.0
|
|
223 |
* aValue - the string containing the coordinates
|
|
224 |
* aIsX - Flag to determine whether it is X or Y coordinate values
|
|
225 |
*/
|
|
226 |
|
|
227 |
void SetArrayL( const TDesC& aValue , const TBool aIsX);
|
|
228 |
|
|
229 |
|
|
230 |
|
|
231 |
// From MXmlElement API
|
|
232 |
|
|
233 |
|
|
234 |
/**
|
|
235 |
* Need method description
|
|
236 |
*
|
|
237 |
* @since 1.0
|
|
238 |
* @param
|
|
239 |
* @return
|
|
240 |
*/
|
|
241 |
TInt SetAttributeL( const TDesC& aName,
|
|
242 |
const TDesC& aValue );
|
|
243 |
// From MXmlElementOpt API
|
|
244 |
|
|
245 |
|
|
246 |
/**
|
|
247 |
* Need method description
|
|
248 |
*
|
|
249 |
* @since 1.0
|
|
250 |
* @param
|
|
251 |
* @return
|
|
252 |
*/
|
|
253 |
TInt GetAttributeFloat( const TInt aNameId,
|
|
254 |
TFloatFixPt& aValue );
|
|
255 |
|
|
256 |
/**
|
|
257 |
* Need method description
|
|
258 |
*
|
|
259 |
* @since 1.0
|
|
260 |
* @param
|
|
261 |
* @return
|
|
262 |
*/
|
|
263 |
TInt SetAttributeFloatL( const TInt aNameId,
|
|
264 |
const TFloatFixPt aValue );
|
|
265 |
|
|
266 |
|
|
267 |
/**
|
|
268 |
* Need method description
|
|
269 |
*
|
|
270 |
* @since 1.0
|
|
271 |
* @param
|
|
272 |
* @return
|
|
273 |
*/
|
|
274 |
TInt GetAttributeDes( const TInt aNameId,
|
|
275 |
TPtrC16& aValue );
|
|
276 |
|
|
277 |
/**
|
|
278 |
* Need method description
|
|
279 |
*
|
|
280 |
* @since 1.0
|
|
281 |
* @param
|
|
282 |
* @return
|
|
283 |
*/
|
|
284 |
TInt SetAttributeDesL( const TInt aNameId,
|
|
285 |
const TDesC& aValue );
|
|
286 |
|
|
287 |
// From CSvgElementImpl
|
|
288 |
|
|
289 |
|
|
290 |
/**
|
|
291 |
* Need method description
|
|
292 |
*
|
|
293 |
* @since 1.0
|
|
294 |
* @param
|
|
295 |
* @return
|
|
296 |
*/
|
|
297 |
MXmlElement* CloneL(MXmlElement* aParentElement);
|
|
298 |
|
|
299 |
|
|
300 |
void CopyL( CSvgTextElementImpl* aDestElement );
|
|
301 |
|
|
302 |
|
|
303 |
/**
|
|
304 |
* Need method description
|
|
305 |
*
|
|
306 |
* @since 1.0
|
|
307 |
* @param
|
|
308 |
* @return
|
|
309 |
*/
|
|
310 |
TBool DrawL( CGfx2dGc* aGc,
|
|
311 |
CSvgElementImpl* aElement );
|
|
312 |
|
|
313 |
|
|
314 |
|
|
315 |
/**
|
|
316 |
* Scale the stroke width in order to nullify the effect of scaling
|
|
317 |
* appiled on the glyph
|
|
318 |
*
|
|
319 |
* @since 3.2
|
|
320 |
* @param aGc- Graphics context
|
|
321 |
* @return none
|
|
322 |
*/
|
|
323 |
void ScaleStrokeWidth(CGfx2dGc* aGc);
|
|
324 |
|
|
325 |
|
|
326 |
// void GetCurrentFontScaled(CFont*& aFont, TFontSpec& aFontSpec);
|
|
327 |
|
|
328 |
/**
|
|
329 |
* Need method description
|
|
330 |
*
|
|
331 |
* @since 1.0
|
|
332 |
* @param
|
|
333 |
* @return
|
|
334 |
*/
|
|
335 |
void GetBBox( TGfxRectangle2D& aBbox );
|
|
336 |
void GetFourPointBBox( TSvgFourPointRect& aFourPointBBox );
|
|
337 |
void GetBBoxForSVGText( TGfxRectangle2D& aBbox );
|
|
338 |
void GetBBoxForSVGText( TSvgFourPointRect& aFourPointBbox,const TGfxAffineTransform& aTransform);
|
|
339 |
void GetBBoxForSystemText( TGfxRectangle2D& aBbox );
|
|
340 |
void GetBBoxForSystemText( TSvgFourPointRect& aFourPointBbox );
|
|
341 |
void CreateSVGFontL();
|
|
342 |
/**
|
|
343 |
* Need method description
|
|
344 |
*
|
|
345 |
* @since 1.0
|
|
346 |
* @param
|
|
347 |
* @return
|
|
348 |
*/
|
|
349 |
virtual void GetUnscaledBBox( TGfxRectangle2D& aBbox );
|
|
350 |
|
|
351 |
/**
|
|
352 |
* Need method description
|
|
353 |
*
|
|
354 |
* @since 1.0
|
|
355 |
* @param
|
|
356 |
* @return
|
|
357 |
*/
|
|
358 |
//Local Function(s)
|
|
359 |
|
|
360 |
/**
|
|
361 |
* Need method description
|
|
362 |
*
|
|
363 |
* @since 1.0
|
|
364 |
* @param
|
|
365 |
* @return
|
|
366 |
*/
|
|
367 |
TBool IsWithinUnicodeRange( const TDesC& aUnicodeRange,
|
|
368 |
const TDesC& aCharacter );
|
|
369 |
|
|
370 |
/**
|
|
371 |
* Need method description
|
|
372 |
*
|
|
373 |
* @since 1.0
|
|
374 |
* @param
|
|
375 |
* @return
|
|
376 |
*/
|
|
377 |
void SetUKernPairsL( const TDesC& aU1,
|
|
378 |
const TDesC& aU2 );
|
|
379 |
|
|
380 |
|
|
381 |
/**
|
|
382 |
* Need method description
|
|
383 |
*
|
|
384 |
* @since 1.0
|
|
385 |
* @param
|
|
386 |
* @return
|
|
387 |
*/
|
|
388 |
void SetGKernPairsL( const TDesC& aG1,
|
|
389 |
const TDesC& aG2 );
|
|
390 |
|
|
391 |
|
|
392 |
/**
|
|
393 |
* Need method description
|
|
394 |
*
|
|
395 |
* @since 1.0
|
|
396 |
* @param
|
|
397 |
* @return
|
|
398 |
*/
|
|
399 |
TBool IsKerningRequired( const TDesC& aPrevGlyphName,
|
|
400 |
const TDesC& aCurrGlyphName,
|
|
401 |
const TDesC& aPrevUnicode,
|
|
402 |
const TDesC& aCurrUnicode);
|
|
403 |
|
|
404 |
// function for decoding
|
|
405 |
void SetRotateArray(CArrayFixFlat<TReal32>*& aRotate);
|
|
406 |
void FreeFontData();
|
|
407 |
|
|
408 |
/**
|
|
409 |
* Return the font size for this text element.
|
|
410 |
*
|
|
411 |
* @since 1.0
|
|
412 |
* @param
|
|
413 |
* @return
|
|
414 |
*/
|
|
415 |
TFloatFixPt FontSize();
|
|
416 |
|
|
417 |
TFloatFixPt TextAdvance( const TDesC& aText, TInt aIndex = 0);
|
|
418 |
TFloatFixPt Ascent();
|
|
419 |
TFloatFixPt Descent();
|
|
420 |
TTextAnchor TextAnchor();
|
|
421 |
void CacheGlyphsForText();
|
|
422 |
TBool IsMostBasicLatin();
|
|
423 |
TBool HasFont();
|
|
424 |
void SetFont(CFont* aBitmapFont = NULL, CSvgElementImpl* aSVGFont = NULL);
|
|
425 |
|
|
426 |
void SetEditable( const TDesC& aValue );
|
|
427 |
|
|
428 |
void Print( TBool aIsEncodeOn );
|
|
429 |
const CFont* Font() const;
|
|
430 |
|
|
431 |
/**
|
|
432 |
* Return wether an svg element is displayable, such as <rect>, <circle>, or
|
|
433 |
* an abstract element, such as <g>, <animate>.
|
|
434 |
*
|
|
435 |
* @since 1.0
|
|
436 |
* @param None
|
|
437 |
* @return ETrue if element is viewable.
|
|
438 |
*/
|
|
439 |
TBool IsViewable() { return ETrue; }
|
|
440 |
|
|
441 |
TBool IsEditable();
|
|
442 |
|
|
443 |
/**
|
|
444 |
* Notified when the mouse pointer enters a visible svg element.
|
|
445 |
*
|
|
446 |
* @since 1.0
|
|
447 |
* param : aElements -- SVG elements containing the mouse point.
|
|
448 |
* param : aX -- x coordinate of mouse pointer.
|
|
449 |
* param : aY -- y coordinate of mouse pointer.
|
|
450 |
* @return : For future use. Value is ignored.
|
|
451 |
*/
|
|
452 |
TBool MouseEntered( RPointerArray<CSvgElementImpl>& aElements,
|
|
453 |
TInt aX, TInt aY );
|
|
454 |
|
|
455 |
/**
|
|
456 |
* Notified when the mouse pointer exits a visible svg element.
|
|
457 |
*
|
|
458 |
* @since 1.0
|
|
459 |
* param : aElements -- SVG elements containing the mouse point.
|
|
460 |
* param : aX -- x coordinate of mouse pointer.
|
|
461 |
* param : aY -- y coordinate of mouse pointer.
|
|
462 |
* @return : For future use. Value is ignored.
|
|
463 |
*/
|
|
464 |
TBool MouseExited( RPointerArray<CSvgElementImpl>& aElements,
|
|
465 |
TInt aX, TInt aY );
|
|
466 |
|
|
467 |
/**
|
|
468 |
* Notified when the mouse pointer exits a visible svg element.
|
|
469 |
*
|
|
470 |
* @since 1.0
|
|
471 |
* param : aElements -- SVG elements containing the mouse point.
|
|
472 |
* param : aX -- x coordinate of mouse pointer.
|
|
473 |
* param : aY -- y coordinate of mouse pointer.
|
|
474 |
* @return : For future use. Value is ignored.
|
|
475 |
*/
|
|
476 |
TBool MouseMoved( RPointerArray<CSvgElementImpl>& aElements,
|
|
477 |
TInt aX, TInt aY );
|
|
478 |
|
|
479 |
|
|
480 |
/**
|
|
481 |
* Notified when the mouse pointer is pressed down on visible svg element.
|
|
482 |
*
|
|
483 |
* @since 1.0
|
|
484 |
* param : aElements -- SVG elements containing the mouse point.
|
|
485 |
* param : aX -- x coordinate of mouse pointer.
|
|
486 |
* param : aY -- y coordinate of mouse pointer.
|
|
487 |
* @return : For future use. Value is ignored.
|
|
488 |
*/
|
|
489 |
TBool MousePressed( RPointerArray<CSvgElementImpl>& aElements,
|
|
490 |
TInt aX, TInt aY );
|
|
491 |
|
|
492 |
/**
|
|
493 |
* Notified when the mouse pointer is released on on visible svg element.
|
|
494 |
*
|
|
495 |
* @since 1.0
|
|
496 |
* param : aElements -- SVG elements containing the mouse point.
|
|
497 |
* param : aX -- x coordinate of mouse pointer.
|
|
498 |
* param : aY -- y coordinate of mouse pointer.
|
|
499 |
* @return : For future use. Value is ignored.
|
|
500 |
*/
|
|
501 |
TBool MouseReleased( RPointerArray<CSvgElementImpl>& aElements,
|
|
502 |
TInt aX, TInt aY );
|
|
503 |
|
|
504 |
inline TInt FileOffset() const
|
|
505 |
{
|
|
506 |
return iOffset;
|
|
507 |
}
|
|
508 |
|
|
509 |
inline void SetFileOffset(TInt aOffset)
|
|
510 |
{
|
|
511 |
if(! FileOffset())
|
|
512 |
iOffset = aOffset;
|
|
513 |
};
|
|
514 |
|
|
515 |
inline void SetOrgLength(TInt aOrgLength)
|
|
516 |
{
|
|
517 |
if(!GetOrgLength())
|
|
518 |
iOrgLength = aOrgLength;
|
|
519 |
};
|
|
520 |
|
|
521 |
inline TInt GetOrgLength()
|
|
522 |
{
|
|
523 |
return iOrgLength;
|
|
524 |
}
|
|
525 |
TFloatFixPt GetTotalTextAdvance(const TFloatFixPt& alK,const TFloatFixPt& alUnitsPerEmInverse,const TFloatFixPt& alFontSize,const TFloatFixPt& alMissingGlyphHorzAdvX,const TFloatFixPt& alFontHorzAdvX);
|
|
526 |
|
|
527 |
CFont* iBitmapFont;
|
|
528 |
TFontSpec iBitmapFontSpec; //New
|
|
529 |
|
|
530 |
private:
|
|
531 |
|
|
532 |
void GetScaledFont( TFloatFixPt aHeight,
|
|
533 |
const TDesC& aTypefaceName,
|
|
534 |
CFont*& aFont,
|
|
535 |
TFontSpec& aFontSpec );
|
|
536 |
|
|
537 |
/**
|
|
538 |
* Need method description
|
|
539 |
*
|
|
540 |
* @since 1.0
|
|
541 |
* @param
|
|
542 |
* @return
|
|
543 |
*/
|
|
544 |
CSvgTextElementImpl( CSvgDocumentImpl* aDoc );
|
|
545 |
|
|
546 |
TBool FetchSvgFontL(const TDesC& aUri, CSvgDocumentImpl* aNewFontDoc);
|
|
547 |
//TBool LoadDefaultSvgFont(CSvgDocumentImpl* aNewFontDoc);
|
|
548 |
|
|
549 |
|
|
550 |
private:
|
|
551 |
// Text element specific instance variables
|
|
552 |
HBufC* iText;
|
|
553 |
TFloatFixPt iScale;
|
|
554 |
TGfxPoint2D iPoint;
|
|
555 |
TReal iLetterSpacing;
|
|
556 |
TReal iWordSpacing;
|
|
557 |
TReal iRotate;
|
|
558 |
CDesCArrayFlat* iFamilies;
|
|
559 |
CArrayFixFlat<TFloatFixPt>* iArrayX;
|
|
560 |
CArrayFixFlat<TFloatFixPt>* iArrayY;
|
|
561 |
CArrayFixFlat<TReal32>* iArrayRotate;
|
|
562 |
TInt8 iTextAnchor;
|
|
563 |
TInt8 iTextDecoration;
|
|
564 |
|
|
565 |
RPointerArray<CSvgElementImpl> iGlyphElements;
|
|
566 |
|
|
567 |
HBufC* iG1;
|
|
568 |
HBufC* iG2;
|
|
569 |
|
|
570 |
HBufC* iU1;
|
|
571 |
HBufC* iU2;
|
|
572 |
|
|
573 |
TBool iNeedToCacheGlyphs;
|
|
574 |
TBool iUseDefaultSVGFont;
|
|
575 |
TBool iTriedLoadingSVGFonts;
|
|
576 |
|
|
577 |
CWsScreenDevice* iWsScreenDevice; //New
|
|
578 |
CSvgElementImpl* iSVGFont;
|
|
579 |
|
|
580 |
CSvgElementImpl* iFontFaceElement;
|
|
581 |
CSvgElementImpl* iMissingGlyphElement;
|
|
582 |
CSvgElementImpl* iHkernElement;
|
|
583 |
|
|
584 |
TGfxRectangle2D iSVGBbox;
|
|
585 |
TBool iEditable;
|
|
586 |
|
|
587 |
public:
|
|
588 |
TInt iOffset;
|
|
589 |
TInt iOrgLength;
|
|
590 |
TSize iBoundingBox;
|
|
591 |
CFont* iFont;
|
|
592 |
|
|
593 |
CGfx2dGc* iGfx2dGc;
|
|
594 |
};
|
|
595 |
|
|
596 |
#endif /* _INC_CSVGTEXTELEMENT_3C61A6080051_INCLUDED */
|