summaryrefslogtreecommitdiff
path: root/oox/source/helper/graphichelper.cxx
blob: 95dd078a82add6687a2825f5c9b9b2337e4b0f07 (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
340
341
342
343
344
345
346
347
348
/* -*- 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 <com/sun/star/container/XNameContainer.hpp>
#include "oox/helper/graphichelper.hxx"

#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/Size.hpp>
#include <com/sun/star/awt/XDevice.hpp>
#include <com/sun/star/awt/XUnitConversion.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/frame/XFramesSupplier.hpp>
#include <com/sun/star/graphic/GraphicObject.hpp>
#include <com/sun/star/graphic/GraphicProvider.hpp>
#include <com/sun/star/graphic/XGraphicProvider.hpp>
#include <com/sun/star/util/MeasureUnit.hpp>
#include <comphelper/seqstream.hxx>
#include <svtools/wmf.hxx>
#include "oox/helper/containerhelper.hxx"
#include "oox/helper/propertyset.hxx"
#include "oox/token/properties.hxx"
#include "oox/token/tokens.hxx"

namespace oox {

// ============================================================================


using namespace ::com::sun::star;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::frame;
using namespace ::com::sun::star::graphic;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;

// ============================================================================

namespace {

inline sal_Int32 lclConvertScreenPixelToHmm( double fPixel, double fPixelPerHmm )
{
    return static_cast< sal_Int32 >( (fPixelPerHmm > 0.0) ? (fPixel / fPixelPerHmm + 0.5) : 0.0 );
}

} // namespace

// ============================================================================

GraphicHelper::GraphicHelper( const Reference< XComponentContext >& rxContext, const Reference< XFrame >& rxTargetFrame, const StorageRef& rxStorage ) :
    mxContext( rxContext ),
    mxStorage( rxStorage ),
    maGraphicObjScheme( CREATE_OUSTRING( "vnd.sun.star.GraphicObject:" ) )
{
    OSL_ENSURE( mxContext.is(), "GraphicHelper::GraphicHelper - missing component context" );
    Reference< XMultiServiceFactory > xFactory( mxContext->getServiceManager(), UNO_QUERY );
    OSL_ENSURE( xFactory.is(), "GraphicHelper::GraphicHelper - missing service factory" );
    if( xFactory.is() )
        mxGraphicProvider.set( graphic::GraphicProvider::create( mxContext ) );

    //! TODO: get colors from system
    maSystemPalette[ XML_3dDkShadow ]               = 0x716F64;
    maSystemPalette[ XML_3dLight ]                  = 0xF1EFE2;
    maSystemPalette[ XML_activeBorder ]             = 0xD4D0C8;
    maSystemPalette[ XML_activeCaption ]            = 0x0054E3;
    maSystemPalette[ XML_appWorkspace ]             = 0x808080;
    maSystemPalette[ XML_background ]               = 0x004E98;
    maSystemPalette[ XML_btnFace ]                  = 0xECE9D8;
    maSystemPalette[ XML_btnHighlight ]             = 0xFFFFFF;
    maSystemPalette[ XML_btnShadow ]                = 0xACA899;
    maSystemPalette[ XML_btnText ]                  = 0x000000;
    maSystemPalette[ XML_captionText ]              = 0xFFFFFF;
    maSystemPalette[ XML_gradientActiveCaption ]    = 0x3D95FF;
    maSystemPalette[ XML_gradientInactiveCaption ]  = 0xD8E4F8;
    maSystemPalette[ XML_grayText ]                 = 0xACA899;
    maSystemPalette[ XML_highlight ]                = 0x316AC5;
    maSystemPalette[ XML_highlightText ]            = 0xFFFFFF;
    maSystemPalette[ XML_hotLight ]                 = 0x000080;
    maSystemPalette[ XML_inactiveBorder ]           = 0xD4D0C8;
    maSystemPalette[ XML_inactiveCaption ]          = 0x7A96DF;
    maSystemPalette[ XML_inactiveCaptionText ]      = 0xD8E4F8;
    maSystemPalette[ XML_infoBk ]                   = 0xFFFFE1;
    maSystemPalette[ XML_infoText ]                 = 0x000000;
    maSystemPalette[ XML_menu ]                     = 0xFFFFFF;
    maSystemPalette[ XML_menuBar ]                  = 0xECE9D8;
    maSystemPalette[ XML_menuHighlight ]            = 0x316AC5;
    maSystemPalette[ XML_menuText ]                 = 0x000000;
    maSystemPalette[ XML_scrollBar ]                = 0xD4D0C8;
    maSystemPalette[ XML_window ]                   = 0xFFFFFF;
    maSystemPalette[ XML_windowFrame ]              = 0x000000;
    maSystemPalette[ XML_windowText ]               = 0x000000;

    // if no target frame has been passed (e.g. OLE objects), try to fallback to the active frame
    // TODO: we need some mechanism to keep and pass the parent frame
    Reference< XFrame > xFrame = rxTargetFrame;
    if( !xFrame.is() && xFactory.is() ) try
    {
        Reference< XFramesSupplier > xFramesSupp( xFactory->createInstance( CREATE_OUSTRING( "com.sun.star.frame.Desktop" ) ), UNO_QUERY_THROW );
        xFrame = xFramesSupp->getActiveFrame();
    }
    catch( Exception& )
    {
    }

    // get the metric of the output device
    OSL_ENSURE( xFrame.is(), "GraphicHelper::GraphicHelper - cannot get target frame" );
    maDeviceInfo.PixelPerMeterX = maDeviceInfo.PixelPerMeterY = 3500.0; // some default just in case
    if( xFrame.is() ) try
    {
        Reference< awt::XDevice > xDevice( xFrame->getContainerWindow(), UNO_QUERY_THROW );
        mxUnitConversion.set( xDevice, UNO_QUERY );
        OSL_ENSURE( mxUnitConversion.is(), "GraphicHelper::GraphicHelper - cannot get unit converter" );
        maDeviceInfo = xDevice->getInfo();
    }
    catch( Exception& )
    {
        OSL_FAIL( "GraphicHelper::GraphicHelper - cannot get output device info" );
    }
    mfPixelPerHmmX = maDeviceInfo.PixelPerMeterX / 100000.0;
    mfPixelPerHmmY = maDeviceInfo.PixelPerMeterY / 100000.0;
}

GraphicHelper::~GraphicHelper()
{
}

// System colors and predefined colors ----------------------------------------

sal_Int32 GraphicHelper::getSystemColor( sal_Int32 nToken, sal_Int32 nDefaultRgb ) const
{
    return ContainerHelper::getMapElement( maSystemPalette, nToken, nDefaultRgb );
}

sal_Int32 GraphicHelper::getSchemeColor( sal_Int32 /*nToken*/ ) const
{
    OSL_FAIL( "GraphicHelper::getSchemeColor - scheme colors not implemented" );
    return API_RGB_TRANSPARENT;
}

sal_Int32 GraphicHelper::getPaletteColor( sal_Int32 /*nPaletteIdx*/ ) const
{
    OSL_FAIL( "GraphicHelper::getPaletteColor - palette colors not implemented" );
    return API_RGB_TRANSPARENT;
}

// Device info and device dependent unit conversion ---------------------------

const awt::DeviceInfo& GraphicHelper::getDeviceInfo() const
{
    return maDeviceInfo;
}

sal_Int32 GraphicHelper::convertScreenPixelXToHmm( double fPixelX ) const
{
    return lclConvertScreenPixelToHmm( fPixelX, mfPixelPerHmmX );
}

sal_Int32 GraphicHelper::convertScreenPixelYToHmm( double fPixelY ) const
{
    return lclConvertScreenPixelToHmm( fPixelY, mfPixelPerHmmY );
}

awt::Size GraphicHelper::convertScreenPixelToHmm( const awt::Size& rPixel ) const
{
    return awt::Size( convertScreenPixelXToHmm( rPixel.Width ), convertScreenPixelYToHmm( rPixel.Height ) );
}

double GraphicHelper::convertHmmToScreenPixelX( sal_Int32 nHmmX ) const
{
    return nHmmX * mfPixelPerHmmX;
}

double GraphicHelper::convertHmmToScreenPixelY( sal_Int32 nHmmY ) const
{
    return nHmmY * mfPixelPerHmmY;
}

awt::Point GraphicHelper::convertHmmToScreenPixel( const awt::Point& rHmm ) const
{
    return awt::Point(
        static_cast< sal_Int32 >( convertHmmToScreenPixelX( rHmm.X ) + 0.5 ),
        static_cast< sal_Int32 >( convertHmmToScreenPixelY( rHmm.Y ) + 0.5 ) );
}

awt::Size GraphicHelper::convertHmmToScreenPixel( const awt::Size& rHmm ) const
{
    return awt::Size(
        static_cast< sal_Int32 >( convertHmmToScreenPixelX( rHmm.Width ) + 0.5 ),
        static_cast< sal_Int32 >( convertHmmToScreenPixelY( rHmm.Height ) + 0.5 ) );
}

awt::Point GraphicHelper::convertHmmToAppFont( const awt::Point& rHmm ) const
{
    if( mxUnitConversion.is() ) try
    {
        awt::Point aPixel = convertHmmToScreenPixel( rHmm );
        return mxUnitConversion->convertPointToLogic( aPixel, ::com::sun::star::util::MeasureUnit::APPFONT );
    }
    catch( Exception& )
    {
    }
    return awt::Point( 0, 0 );
}

awt::Size GraphicHelper::convertHmmToAppFont( const awt::Size& rHmm ) const
{
    if( mxUnitConversion.is() ) try
    {
        awt::Size aPixel = convertHmmToScreenPixel( rHmm );
        return mxUnitConversion->convertSizeToLogic( aPixel, ::com::sun::star::util::MeasureUnit::APPFONT );
    }
    catch( Exception& )
    {
    }
    return awt::Size( 0, 0 );
}

// Graphics and graphic objects  ----------------------------------------------

Reference< XGraphic > GraphicHelper::importGraphic( const Reference< XInputStream >& rxInStrm,
        const WMF_EXTERNALHEADER* pExtHeader ) const
{
    Reference< XGraphic > xGraphic;
    if( rxInStrm.is() && mxGraphicProvider.is() ) try
    {
        Sequence< PropertyValue > aArgs( 1 );
        aArgs[ 0 ].Name = CREATE_OUSTRING( "InputStream" );
        aArgs[ 0 ].Value <<= rxInStrm;

        if ( pExtHeader && pExtHeader->mapMode > 0 )
        {
            aArgs.realloc( aArgs.getLength() + 1 );
            Sequence< PropertyValue > aFilterData( 3 );
            aFilterData[ 0 ].Name = CREATE_OUSTRING( "ExternalWidth" );
            aFilterData[ 0 ].Value <<= pExtHeader->xExt;
            aFilterData[ 1 ].Name = CREATE_OUSTRING( "ExternalHeight" );
            aFilterData[ 1 ].Value <<= pExtHeader->yExt;
            aFilterData[ 2 ].Name = CREATE_OUSTRING( "ExternalMapMode" );
            aFilterData[ 2 ].Value <<= pExtHeader->mapMode;
            aArgs[ 1 ].Name = CREATE_OUSTRING( "FilterData" );
            aArgs[ 1 ].Value <<= aFilterData;
        }

        xGraphic = mxGraphicProvider->queryGraphic( aArgs );
    }
    catch( Exception& )
    {
    }
    return xGraphic;
}

Reference< XGraphic > GraphicHelper::importGraphic( const StreamDataSequence& rGraphicData ) const
{
    Reference< XGraphic > xGraphic;
    if( rGraphicData.hasElements() )
    {
        Reference< XInputStream > xInStrm( new ::comphelper::SequenceInputStream( rGraphicData ) );
        xGraphic = importGraphic( xInStrm );
    }
    return xGraphic;
}

Reference< XGraphic > GraphicHelper::importEmbeddedGraphic( const OUString& rStreamName ) const
{
    Reference< XGraphic > xGraphic;
    OSL_ENSURE( !rStreamName.isEmpty(), "GraphicHelper::importEmbeddedGraphic - empty stream name" );
    if( !rStreamName.isEmpty() )
    {
        EmbeddedGraphicMap::const_iterator aIt = maEmbeddedGraphics.find( rStreamName );
        if( aIt == maEmbeddedGraphics.end() )
        {
            xGraphic = importGraphic( mxStorage->openInputStream( rStreamName ) );
            if( xGraphic.is() )
                maEmbeddedGraphics[ rStreamName ] = xGraphic;
        }
        else
            xGraphic = aIt->second;
    }
    return xGraphic;
}

OUString GraphicHelper::createGraphicObject( const Reference< XGraphic >& rxGraphic ) const
{
    OUString aGraphicObjUrl;
    if( mxContext.is() && rxGraphic.is() ) try
    {
        Reference< XGraphicObject > xGraphicObj( graphic::GraphicObject::create( mxContext ), UNO_SET_THROW );
        xGraphicObj->setGraphic( rxGraphic );
        maGraphicObjects.push_back( xGraphicObj );
        aGraphicObjUrl = maGraphicObjScheme + xGraphicObj->getUniqueID();
    }
    catch( Exception& )
    {
    }
    return aGraphicObjUrl;
}

OUString GraphicHelper::importGraphicObject( const Reference< XInputStream >& rxInStrm,
        const WMF_EXTERNALHEADER* pExtHeader ) const
{
    return createGraphicObject( importGraphic( rxInStrm, pExtHeader ) );
}

OUString GraphicHelper::importGraphicObject( const StreamDataSequence& rGraphicData ) const
{
    return createGraphicObject( importGraphic( rGraphicData ) );
}

OUString GraphicHelper::importEmbeddedGraphicObject( const OUString& rStreamName ) const
{
    Reference< XGraphic > xGraphic = importEmbeddedGraphic( rStreamName );
    return xGraphic.is() ? createGraphicObject( xGraphic ) : OUString();
}

awt::Size GraphicHelper::getOriginalSize( const Reference< XGraphic >& xGraphic ) const
{
    awt::Size aSizeHmm;
    PropertySet aPropSet( xGraphic );
    if( aPropSet.getProperty( aSizeHmm, PROP_Size100thMM ) && (aSizeHmm.Width == 0) && (aSizeHmm.Height == 0) )     // MAPMODE_PIXEL used?
    {
        awt::Size aSizePixel( 0, 0 );
        if( aPropSet.getProperty( aSizePixel, PROP_SizePixel ) )
            aSizeHmm = convertScreenPixelToHmm( aSizePixel );
    }
    return aSizeHmm;
}

// ============================================================================

} // namespace oox

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