summaryrefslogtreecommitdiffstats
path: root/ksvg/impl/SVGTextContentElementImpl.cc
blob: 6315788383429eea3131f780db74a2df9e038247 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
/*
    Copyright (C) 2001-2003 KSVG Team
    This file is part of the KDE project

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include <kdebug.h>
#include <klocale.h>

#include "Glyph.h"

#include "SVGStringListImpl.h"
#include "SVGAnimatedLengthImpl.h"
#include "SVGTextContentElementImpl.h"
#include "SVGTextElementImpl.h"
#include "SVGAnimatedEnumerationImpl.h"
#include "SVGDocumentImpl.h"

using namespace KSVG;

#include "SVGTextContentElementImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_cacheimpl.h"

SVGTextContentElementImpl::SVGTextContentElementImpl(DOM::ElementImpl *impl) : SVGShapeImpl(impl), SVGTestsImpl(), SVGLangSpaceImpl(), SVGExternalResourcesRequiredImpl(), SVGStylableImpl(this)
{
	KSVG_EMPTY_FLAGS

	m_lengthAdjust = new SVGAnimatedEnumerationImpl();
	m_lengthAdjust->ref();

	// Spec: default value 'spacing'
	m_lengthAdjust->setBaseVal(LENGTHADJUST_SPACING);

	m_textLength = new SVGAnimatedLengthImpl();
	m_textLength->baseVal()->setValueAsString("-1");
	m_textLength->ref();
}

SVGTextContentElementImpl::~SVGTextContentElementImpl()
{
	if(m_lengthAdjust)
		m_lengthAdjust->deref();
	if(m_textLength)
		m_textLength->deref();
}

TQString SVGTextContentElementImpl::textDirectionAwareText()
{
	TQString text;

	if(hasChildNodes())
	{
		bool ltr = getTextDirection() == LTR;
		DOM::Node node = ltr ? firstChild() : lastChild();

		for(; !node.isNull(); node = ltr ? node.nextSibling() : node.previousSibling())
		{
			if(node.nodeType() == TEXT_NODE)
			{
				DOM::Text textNode = node;
				TQString temp = textNode.data().string();

				if(!ltr)
				{
					TQString convert = temp;

					for(int i = temp.length(); i > 0; i--)
						convert[temp.length() - i] = temp[i - 1];

					text += convert;
				}
				else
					text += temp;
			}
			else
				return text;
		}
	}

	return text;
}

T2P::GlyphLayoutParams *SVGTextContentElementImpl::tqlayoutParams() const
{
	SVGStylableImpl *style = const_cast<SVGTextContentElementImpl *>(this);

	T2P::GlyphLayoutParams *params = new T2P::GlyphLayoutParams();
	params->setTb(style->getTextWritingMode() == TB);
	params->setUseBidi(style->getTextUnicodeBidi() == UBNORMAL);
	if(!dynamic_cast<SVGTextElementImpl *>(m_object)) // not allowed for <text>
		params->setBaselineShift(style->getBaselineShift().latin1());

	bool worked = true;
	int deg = style->getGlyphOrientationVertical().toInt(&worked);
	if(!worked)
		params->setGlyphOrientationVertical(-90);
	else
		params->setGlyphOrientationVertical(deg);

	worked = true;
	deg = style->getGlyphOrientationHorizontal().toInt(&worked);
	if(!worked)
		params->setGlyphOrientationHorizontal(-90);
	else
		params->setGlyphOrientationHorizontal(deg);

	SVGLengthImpl *length = new SVGLengthImpl(LENGTHMODE_OTHER, const_cast<SVGTextContentElementImpl *>(this));
	length->ref();

	if(style->getLetterSpacing() != "normal" && style->getLetterSpacing() != "inherit")
		length->setValueAsString(DOM::DOMString(style->getLetterSpacing()));
	params->setLetterSpacing(length->value());

	if(style->getWordSpacing() != "normal" && style->getWordSpacing() != "inherit")
		length->setValueAsString(DOM::DOMString(style->getWordSpacing()));
	params->setWordSpacing(length->value());

	length->deref();

	return params;
}

SVGAnimatedLengthImpl *SVGTextContentElementImpl::textLength() const
{
	return m_textLength;
}

SVGAnimatedEnumerationImpl *SVGTextContentElementImpl::lengthAdjust() const
{
	return m_lengthAdjust;
}

long SVGTextContentElementImpl::getNumberOfChars()
{
	return 0;
}

float SVGTextContentElementImpl::getComputedTextLength()
{
	return 0.0;
}

/*
float SVGTextContentElementImpl::getSubStringLength(const unsigned long &charnum,const unsigned long &nchars)
{
}

SVGPoint SVGTextContentElementImpl::getStartPositionOfChar(const unsigned long &charnum)
{
}

SVGPoint SVGTextContentElementImpl::getEndPositionOfChar(const unsigned long &charnum)
{
}

SVGRect SVGTextContentElementImpl::getExtentOfChar(const unsigned long &charnum)
{
}

float SVGTextContentElementImpl::getRotationOfChar(const unsigned long &charnum)
{
}

long SVGTextContentElementImpl::getCharNumAtPosition(const SVGPoint &point)
{
}

void SVGTextContentElementImpl::selectSubString(const unsigned long &charnum,const unsigned long &nchars)
{
}
*/

// Ecma stuff

/*
@namespace KSVG
@begin SVGTextContentElementImpl::s_hashTable 3
 textLength				SVGTextContentElementImpl::TextLength						DontDelete|ReadOnly
 lengthAdjust			SVGTextContentElementImpl::LengthAdjust						DontDelete|ReadOnly
@end
@namespace KSVG
@begin SVGTextContentElementImplProto::s_hashTable 11
 getNumberOfChars		SVGTextContentElementImpl::GetNumberOfChars					DontDelete|Function 0
 getComputedTextLength	SVGTextContentElementImpl::GetComputedTextLength			DontDelete|Function 0
 getSubStringLength		SVGTextContentElementImpl::GetSubStringLength				DontDelete|Function 2
 getStartPositionOfChar	SVGTextContentElementImpl::GetStartPositionOfChar			DontDelete|Function 1
 getEndPositionOfChar	SVGTextContentElementImpl::GetEndPositionOfChar				DontDelete|Function 1
 getExtentOfChar 		SVGTextContentElementImpl::GetExtentOfChar 					DontDelete|Function 1
 getRotationOfChar 		SVGTextContentElementImpl::GetRotationOfChar 				DontDelete|Function 1
 getCharNumAtPosition 	SVGTextContentElementImpl::GetCharNumAtPosition				DontDelete|Function 1
 selectSubString		SVGTextContentElementImpl::SelectSubString					DontDelete|Function 2
@end
*/

KSVG_IMPLEMENT_PROTOTYPE("SVGTextContentElement", SVGTextContentElementImplProto, SVGTextContentElementImplProtoFunc)

Value SVGTextContentElementImpl::getValueProperty(ExecState *, int token) const
{
	//KSVG_CHECK_ATTRIBUTE

	switch(token)
	{
		default:
			kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
			return Undefined();
	}
}

void SVGTextContentElementImpl::putValueProperty(ExecState *exec, int token, const Value &value, int attr)
{
	// This class has just ReadOnly properties, only with the Internal flag set
	// it's allowed to modify those.
	if(!(attr & KJS::Internal))
		return;

	switch(token)
	{
		case TextLength:
			m_textLength->baseVal()->setValueAsString(value.toString(exec).string());
			if(m_textLength->baseVal()->value() < 0) // A negative value is an error
                                gotError(i18n("Negative value for attribute textLength of element <text> is illegal"));
			break;
		case LengthAdjust:
		{
			TQString temp = value.toString(exec).qstring();
			if(temp == "spacingAndGlyphs")
				m_lengthAdjust->setBaseVal(LENGTHADJUST_SPACINGANDGLYPHS);
			else if(temp == "spacing")
				m_lengthAdjust->setBaseVal(LENGTHADJUST_SPACING);
			break;
		}
		default:
			kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
	}
}

Value SVGTextContentElementImplProtoFunc::call(ExecState *exec, Object &thisObj, const List &)
{
	KSVG_CHECK_THIS(SVGTextContentElementImpl)

	switch(id)
	{
		default:
			kdWarning() << "Unhandled function id in " << k_funcinfo << " : " << id << endl;
			break;
	}

	return Undefined();
}

/*
@namespace KSVG
@begin SVGTextContentElementImplConstructor::s_hashTable 5
 LENGTHADJUST_UNKNOWN      		KSVG::LENGTHADJUST_UNKNOWN				DontDelete|ReadOnly
 LENGTHADJUST_SPACING      		KSVG::LENGTHADJUST_SPACING				DontDelete|ReadOnly
 LENGTHADJUST_SPACINGANDGLYPHS	KSVG::LENGTHADJUST_SPACINGANDGLYPHS		DontDelete|ReadOnly
@end
*/

Value SVGTextContentElementImplConstructor::getValueProperty(ExecState *, int token) const
{
	return Number(token);
}

Value KSVG::getSVGTextContentElementImplConstructor(ExecState *exec)
{
	return cacheGlobalBridge<SVGTextContentElementImplConstructor>(exec, "[[svgtextcontentelement.constructor]]");
}

// vim:ts=4:noet