1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
8 * Olivier Teulière <ipkiss@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 #include "ctrl_image.hpp"
26 #include "../commands/cmd_dialogs.hpp"
27 #include "../events/evt_generic.hpp"
28 #include "../src/os_factory.hpp"
29 #include "../src/os_graphics.hpp"
30 #include "../src/vlcproc.hpp"
31 #include "../src/scaled_bitmap.hpp"
32 #include "../src/art_bitmap.hpp"
33 #include "../utils/position.hpp"
36 CtrlImage::CtrlImage( intf_thread_t *pIntf, GenericBitmap &rBitmap,
37 CmdGeneric &rCommand, resize_t resizeMethod,
38 const UString &rHelp, VarBool *pVisible, bool art ):
39 CtrlFlat( pIntf, rHelp, pVisible ),
40 m_pBitmap( &rBitmap ), m_pOriginalBitmap( &rBitmap ),
41 m_rCommand( rCommand ), m_resizeMethod( resizeMethod ), m_art( art ),
44 // Create an initial unscaled image in the buffer
45 m_pImage = OSFactory::instance( pIntf )->createOSGraphics(
46 rBitmap.getWidth(), rBitmap.getHeight() );
47 m_pImage->drawBitmap( *m_pBitmap );
49 // Observe the variable
52 VlcProc *pVlcProc = VlcProc::instance( getIntf() );
53 pVlcProc->getStreamArtVar().addObserver( this );
55 ArtBitmap::initArtBitmap( getIntf() );
61 CtrlImage::~CtrlImage()
67 VlcProc *pVlcProc = VlcProc::instance( getIntf() );
68 pVlcProc->getStreamArtVar().delObserver( this );
70 ArtBitmap::freeArtBitmap( );
75 void CtrlImage::handleEvent( EvtGeneric &rEvent )
77 // No FSM for this simple transition
78 if( rEvent.getAsString() == "mouse:right:up:none" )
80 CmdDlgShowPopupMenu( getIntf() ).execute();
82 else if( rEvent.getAsString() == "mouse:left:up:none" )
84 CmdDlgHidePopupMenu( getIntf() ).execute();
85 CmdDlgHideVideoPopupMenu( getIntf() ).execute();
86 CmdDlgHideAudioPopupMenu( getIntf() ).execute();
87 CmdDlgHideMiscPopupMenu( getIntf() ).execute();
89 else if( rEvent.getAsString() == "mouse:left:dblclick:none" )
96 bool CtrlImage::mouseOver( int x, int y ) const
98 if( x >= 0 && x < getPosition()->getWidth() &&
99 y >= 0 && y < getPosition()->getHeight() )
101 // convert the coordinates to make them fit to the
102 // size of the original image if needed
103 switch( m_resizeMethod )
106 x %= m_pImage->getWidth();
107 y %= m_pImage->getHeight();
110 case kScaleAndRatioPreserved:
118 return m_pImage->hit( x, y );
125 void CtrlImage::draw( OSGraphics &rImage, int xDest, int yDest )
127 const Position *pPos = getPosition();
131 int width = pPos->getWidth();
132 int height = pPos->getHeight();
133 if( width <= 0 || height <= 0 )
136 if( m_resizeMethod == kScale )
138 // Use scaling method
139 if( width != m_pImage->getWidth() ||
140 height != m_pImage->getHeight() )
142 OSFactory *pOsFactory = OSFactory::instance( getIntf() );
143 // Rescale the image with the actual size of the control
144 ScaledBitmap bmp( getIntf(), *m_pBitmap, width, height );
146 m_pImage = pOsFactory->createOSGraphics( width, height );
147 m_pImage->drawBitmap( bmp, 0, 0 );
149 rImage.drawGraphics( *m_pImage, 0, 0, xDest, yDest );
151 else if( m_resizeMethod == kMosaic )
156 int curWidth = __MIN( width, m_pImage->getWidth() );
157 height = pPos->getHeight();
158 int curYDest = yDest;
161 int curHeight = __MIN( height, m_pImage->getHeight() );
162 rImage.drawGraphics( *m_pImage, 0, 0, xDest, curYDest,
163 curWidth, curHeight );
164 curYDest += curHeight;
165 height -= m_pImage->getHeight();
168 width -= m_pImage->getWidth();
171 else if( m_resizeMethod == kScaleAndRatioPreserved )
173 int w0 = m_pBitmap->getWidth();
174 int h0 = m_pBitmap->getHeight();
176 int scaled_height = width * h0 / w0;
177 int scaled_width = height * w0 / h0;
179 // new image scaled with aspect ratio preserved
180 // and centered inside the control boundaries
182 if( scaled_height > height )
186 m_x = ( width - w ) / 2;
194 m_y = ( height - h ) / 2;
197 // rescale the image if size changed
198 if( w != m_pImage->getWidth() ||
199 h != m_pImage->getHeight() )
201 OSFactory *pOsFactory = OSFactory::instance( getIntf() );
202 ScaledBitmap bmp( getIntf(), *m_pBitmap, w, h );
204 m_pImage = pOsFactory->createOSGraphics( w, h );
205 m_pImage->drawBitmap( bmp, 0, 0 );
208 // draw the scaled image at offset (m_x, m_y) from control origin
209 rImage.drawGraphics( *m_pImage, 0, 0, xDest + m_x, yDest + m_y );
214 void CtrlImage::onUpdate( Subject<VarString> &rVariable, void* arg )
216 VlcProc *pVlcProc = VlcProc::instance( getIntf() );
218 if( &rVariable == &pVlcProc->getStreamArtVar() )
220 string str = ((VarString&)rVariable).get();
221 GenericBitmap* pArt = (GenericBitmap*) ArtBitmap::getArtBitmap( str );
223 m_pBitmap = pArt ? pArt : m_pOriginalBitmap;
225 msg_Dbg( getIntf(), "art file %s to be displayed (wxh = %ix%i)",
227 m_pBitmap->getWidth(),
228 m_pBitmap->getHeight() );
231 m_pImage = OSFactory::instance( getIntf() )->createOSGraphics(
232 m_pBitmap->getWidth(),
233 m_pBitmap->getHeight() );
234 m_pImage->drawBitmap( *m_pBitmap );