summaryrefslogtreecommitdiff
path: root/xmloff/source/draw/XMLImageMapExport.cxx
blob: 833df40af21439466961afe89692abf4f3a0c3b7 (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
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <XMLImageMapExport.hxx>
#include <o3tl/any.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <tools/debug.hxx>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/container/XIndexContainer.hpp>
#include <com/sun/star/document/XEventsSupplier.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/drawing/PointSequence.hpp>
#include <xmloff/xmlexp.hxx>
#include <xmloff/xmlnamespace.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/XMLEventExport.hxx>
#include <xmloff/xmluconv.hxx>
#include <xexptran.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>

using namespace ::com::sun::star;
using namespace ::xmloff::token;

using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::beans::XPropertySet;
using ::com::sun::star::container::XIndexContainer;
using ::com::sun::star::document::XEventsSupplier;
using ::com::sun::star::lang::XServiceInfo;
using ::com::sun::star::drawing::PointSequence;

constexpr OUStringLiteral gsBoundary(u"Boundary");
constexpr OUStringLiteral gsCenter(u"Center");
constexpr OUStringLiteral gsDescription(u"Description");
constexpr OUString gsImageMap(u"ImageMap"_ustr);
constexpr OUStringLiteral gsIsActive(u"IsActive");
constexpr OUStringLiteral gsName(u"Name");
constexpr OUStringLiteral gsPolygon(u"Polygon");
constexpr OUStringLiteral gsRadius(u"Radius");
constexpr OUStringLiteral gsTarget(u"Target");
constexpr OUStringLiteral gsURL(u"URL");
constexpr OUStringLiteral gsTitle(u"Title");

XMLImageMapExport::XMLImageMapExport(SvXMLExport& rExp) :
    mrExport(rExp)
{
}

void XMLImageMapExport::Export(
    const Reference<XPropertySet> & rPropertySet)
{
    if (rPropertySet->getPropertySetInfo()->hasPropertyByName(gsImageMap))
    {
        Any aAny = rPropertySet->getPropertyValue(gsImageMap);
        Reference<XIndexContainer> aContainer;
        aAny >>= aContainer;

        Export(aContainer);
    }
    // else: no ImageMap property -> nothing to do
}

void XMLImageMapExport::Export(
    const Reference<XIndexContainer> & rContainer)
{
    if (!rContainer.is())
        return;

    if (!rContainer->hasElements())
        return;

    // image map container element
    SvXMLElementExport aImageMapElement(
        mrExport, XML_NAMESPACE_DRAW, XML_IMAGE_MAP,
        true/*bWhiteSpace*/, true/*bWhiteSpace*/);

    // iterate over image map elements and call ExportMapEntry(...)
    // for each
    sal_Int32 nLength = rContainer->getCount();
    for(sal_Int32 i = 0; i < nLength; i++)
    {
        Any aAny = rContainer->getByIndex(i);
        Reference<XPropertySet> rElement;
        aAny >>= rElement;

        DBG_ASSERT(rElement.is(), "Image map element is empty!");
        if (rElement.is())
        {
            ExportMapEntry(rElement);
        }
    }
    // else: container is empty -> nothing to do
    // else: no container -> nothing to do
}


void XMLImageMapExport::ExportMapEntry(
    const Reference<XPropertySet> & rPropertySet)
{
    Reference<XServiceInfo> xServiceInfo(rPropertySet, UNO_QUERY);
    if (!xServiceInfo.is())
        return;

    enum XMLTokenEnum eType = XML_TOKEN_INVALID;

    // distinguish map entries by their service name
    const Sequence<OUString> sServiceNames =
        xServiceInfo->getSupportedServiceNames();
    for( const OUString& rName : sServiceNames )
    {
        if ( rName == "com.sun.star.image.ImageMapRectangleObject" )
        {
            eType = XML_AREA_RECTANGLE;
            break;
        }
        else if ( rName == "com.sun.star.image.ImageMapCircleObject" )
        {
            eType = XML_AREA_CIRCLE;
            break;
        }
        else if ( rName == "com.sun.star.image.ImageMapPolygonObject" )
        {
            eType = XML_AREA_POLYGON;
            break;
        }
    }

    // return from method if no proper service is found!
    DBG_ASSERT(XML_TOKEN_INVALID != eType,
               "Image map element doesn't support appropriate service!");
    if (XML_TOKEN_INVALID == eType)
        return;

    // now: handle ImageMapObject properties (those for all types)

    // XLINK (URL property)
    Any aAny = rPropertySet->getPropertyValue(gsURL);
    OUString sHref;
    aAny >>= sHref;
    if (!sHref.isEmpty())
    {
        mrExport.AddAttribute(XML_NAMESPACE_XLINK, XML_HREF, mrExport.GetRelativeReference(sHref));
    }
    mrExport.AddAttribute( XML_NAMESPACE_XLINK, XML_TYPE, XML_SIMPLE );

    // Target property (and xlink:show)
    aAny = rPropertySet->getPropertyValue(gsTarget);
    OUString sTargt;
    aAny >>= sTargt;
    if (!sTargt.isEmpty())
    {
        mrExport.AddAttribute(
            XML_NAMESPACE_OFFICE, XML_TARGET_FRAME_NAME, sTargt);

        mrExport.AddAttribute(
            XML_NAMESPACE_XLINK, XML_SHOW,
            sTargt == "_blank" ? XML_NEW : XML_REPLACE );
    }

    // name
    aAny = rPropertySet->getPropertyValue(gsName);
    OUString sItemName;
    aAny >>= sItemName;
    if (!sItemName.isEmpty())
    {
        mrExport.AddAttribute(XML_NAMESPACE_OFFICE, XML_NAME, sItemName);
    }

    // is-active
    aAny = rPropertySet->getPropertyValue(gsIsActive);
    if (! *o3tl::doAccess<bool>(aAny))
    {
        mrExport.AddAttribute(XML_NAMESPACE_DRAW, XML_NOHREF, XML_NOHREF);
    }

    // call specific rectangle/circle/... method
    // also prepare element name
    switch (eType)
    {
        case XML_AREA_RECTANGLE:
            ExportRectangle(rPropertySet);
            break;
        case XML_AREA_CIRCLE:
            ExportCircle(rPropertySet);
            break;
        case XML_AREA_POLYGON:
            ExportPolygon(rPropertySet);
            break;
        default:
            break;
    }

    // write element
    DBG_ASSERT(XML_TOKEN_INVALID != eType,
               "No name?! How did this happen?");
    SvXMLElementExport aAreaElement(mrExport, XML_NAMESPACE_DRAW, eType,
                                    true/*bWhiteSpace*/, true/*bWhiteSpace*/);

    // title property (as <svg:title> element)
    OUString sTitle;
    rPropertySet->getPropertyValue(gsTitle) >>= sTitle;
    if(!sTitle.isEmpty())
    {
        SvXMLElementExport aEventElemt(mrExport, XML_NAMESPACE_SVG, XML_TITLE, true/*bWhiteSpace*/, false);
        mrExport.Characters(sTitle);
    }

    // description property (as <svg:desc> element)
    OUString sDescription;
    rPropertySet->getPropertyValue(gsDescription) >>= sDescription;
    if (!sDescription.isEmpty())
    {
        SvXMLElementExport aDesc(mrExport, XML_NAMESPACE_SVG, XML_DESC, true/*bWhiteSpace*/, false);
        mrExport.Characters(sDescription);
    }

    // export events attached to this
    Reference<XEventsSupplier> xSupplier(rPropertySet, UNO_QUERY);
    mrExport.GetEventExport().Export(xSupplier);

    // else: no service info -> can't determine type -> ignore entry
}

void XMLImageMapExport::ExportRectangle(
    const Reference<XPropertySet> & rPropertySet)
{
    // get boundary rectangle
    Any aAny = rPropertySet->getPropertyValue(gsBoundary);
    awt::Rectangle aRectangle;
    aAny >>= aRectangle;

    // parameters svg:x, svg:y, svg:width, svg:height
    OUStringBuffer aBuffer;
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, aRectangle.X);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_X,
                          aBuffer.makeStringAndClear() );
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, aRectangle.Y);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_Y,
                          aBuffer.makeStringAndClear() );
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer,
            aRectangle.Width);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_WIDTH,
                          aBuffer.makeStringAndClear() );
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer,
            aRectangle.Height);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_HEIGHT,
                          aBuffer.makeStringAndClear() );
}

void XMLImageMapExport::ExportCircle(
    const Reference<XPropertySet> & rPropertySet)
{
    // get boundary rectangle
    Any aAny = rPropertySet->getPropertyValue(gsCenter);
    awt::Point aCenter;
    aAny >>= aCenter;

    // parameters svg:cx, svg:cy
    OUStringBuffer aBuffer;
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, aCenter.X);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_CX,
                          aBuffer.makeStringAndClear() );
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, aCenter.Y);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_CY,
                          aBuffer.makeStringAndClear() );

    // radius
    aAny = rPropertySet->getPropertyValue(gsRadius);
    sal_Int32 nRadius = 0;
    aAny >>= nRadius;
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, nRadius);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_R,
                          aBuffer.makeStringAndClear() );
}

void XMLImageMapExport::ExportPolygon(const Reference<XPropertySet> & rPropertySet)
{
    // polygons get exported as bounding box, viewbox, and coordinate
    // pair sequence. The bounding box is always the entire image.

    // get polygon point sequence
    Any aAny = rPropertySet->getPropertyValue(gsPolygon);
    PointSequence aPoly;
    aAny >>= aPoly;

    const basegfx::B2DPolygon aPolygon(
        basegfx::utils::UnoPointSequenceToB2DPolygon(
            aPoly));
    const basegfx::B2DRange aPolygonRange(aPolygon.getB2DRange());

    // parameters svg:x, svg:y, svg:width, svg:height
    OUStringBuffer aBuffer;

    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, 0);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_X, aBuffer.makeStringAndClear() );
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, 0);
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_Y, aBuffer.makeStringAndClear() );
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, basegfx::fround(aPolygonRange.getWidth()));
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_WIDTH, aBuffer.makeStringAndClear() );
    mrExport.GetMM100UnitConverter().convertMeasureToXML(aBuffer, basegfx::fround(aPolygonRange.getHeight()));
    mrExport.AddAttribute( XML_NAMESPACE_SVG, XML_HEIGHT, aBuffer.makeStringAndClear() );

    // svg:viewbox
    SdXMLImExViewBox aViewBox(0.0, 0.0, aPolygonRange.getWidth(), aPolygonRange.getHeight());
    mrExport.AddAttribute(XML_NAMESPACE_SVG, XML_VIEWBOX, aViewBox.GetExportString());

    // export point sequence
    const OUString aPointString(
        basegfx::utils::exportToSvgPoints(
            aPolygon));

    mrExport.AddAttribute(XML_NAMESPACE_DRAW, XML_POINTS, aPointString);
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */