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
|
/* This file is in the public domain */
// $Id$
#include "kvieweffects.h"
#include <tqobjectlist.h>
#include <tdeaction.h>
#include <tdelocale.h>
#include <kgenericfactory.h>
#include <kdebug.h>
#include <kimageviewer/viewer.h>
#include <kimageviewer/canvas.h>
#include <kdialogbase.h>
#include <knuminput.h>
#include <kiconeffect.h>
#include <tqvbox.h>
#include <kcolorbutton.h>
#include <kimageeffect.h>
#include <tqlabel.h>
#include <assert.h>
typedef KGenericFactory<KViewEffects> KViewEffectsFactory;
K_EXPORT_COMPONENT_FACTORY( kview_effectsplugin, KViewEffectsFactory( "kvieweffectsplugin" ) )
KViewEffects::KViewEffects( TQObject* parent, const char* name, const TQStringList & )
: Plugin( parent, name )
, m_gamma( 0.5 ), m_lastgamma( -1.0 )
, m_opacity( 50 ), m_lastopacity( -1 )
, m_intensity( 50 ), m_lastintensity( -1 )
, m_color( white )
, m_image( 0 )
{
TQObjectList * viewerList = parent->queryList( 0, "KImageViewer Part", false, false );
m_pViewer = static_cast<KImageViewer::Viewer *>( viewerList->getFirst() );
delete viewerList;
if( m_pViewer )
{
TDEAction * gammaaction = new TDEAction( i18n( "&Gamma Correction..." ), 0, 0,
this, TQT_SLOT( gamma() ),
actionCollection(), "plugin_effects_gamma" );
TDEAction * blendaction = new TDEAction( i18n( "&Blend Color..." ), 0, 0,
this, TQT_SLOT( blend() ),
actionCollection(), "plugin_effects_blend" );
TDEAction * intensityaction = new TDEAction( i18n( "Change &Intensity (Brightness)..." ), 0, 0,
this, TQT_SLOT( intensity() ),
actionCollection(), "plugin_effects_intensity" );
gammaaction->setEnabled( m_pViewer->canvas()->image() != 0 );
blendaction->setEnabled( m_pViewer->canvas()->image() != 0 );
intensityaction->setEnabled( m_pViewer->canvas()->image() != 0 );
connect( m_pViewer->widget(), TQT_SIGNAL( hasImage( bool ) ), gammaaction, TQT_SLOT( setEnabled( bool ) ) );
connect( m_pViewer->widget(), TQT_SIGNAL( hasImage( bool ) ), blendaction, TQT_SLOT( setEnabled( bool ) ) );
connect( m_pViewer->widget(), TQT_SIGNAL( hasImage( bool ) ), intensityaction, TQT_SLOT( setEnabled( bool ) ) );
}
else
kdWarning( 4630 ) << "no KImageViewer interface found - the effects plugin won't work" << endl;
}
KViewEffects::~KViewEffects()
{
// no need to delete m_image here since it will always be NULL at this
// point.
assert( m_image == 0 );
}
void KViewEffects::intensity()
{
KDialogBase dlg( m_pViewer->widget(), "Intensity Dialog", true /*modal*/, i18n( "Change Intensity" ), KDialogBase::Ok | KDialogBase::Try | KDialogBase::Cancel );
connect( &dlg, TQT_SIGNAL( tryClicked() ), this, TQT_SLOT( applyIntensity() ) );
TQVBox * vbox = new TQVBox( &dlg );
vbox->setSpacing( KDialog::spacingHint() );
dlg.setMainWidget( vbox );
KIntNumInput * percent = new KIntNumInput( vbox, "Intensity Input" );
percent->setRange( 0, 100, 1, true );
percent->setValue( m_intensity );
percent->setLabel( i18n( "&Intensity:" ) );
percent->setSuffix( TQString::fromAscii( "%" ) );
connect( percent, TQT_SIGNAL( valueChanged( int ) ), this, TQT_SLOT( setIntensity( int ) ) );
int result = dlg.exec();
if( result == TQDialog::Accepted )
{
applyIntensity();
m_pViewer->setModified( true );
}
else
if( m_image )
m_pViewer->canvas()->setImage( *m_image );
m_lastintensity = -1;
delete m_image;
m_image = 0;
}
void KViewEffects::setIntensity( int intensity )
{
m_intensity = intensity;
}
void KViewEffects::applyIntensity()
{
kdDebug( 4630 ) << k_funcinfo << endl;
if( m_intensity == m_lastintensity )
return; // nothing to do
TQImage * work = workImage();
if( work )
{
KImageEffect::intensity( *work, m_intensity * 0.01 );
m_pViewer->canvas()->setImage( *work );
delete work;
m_lastintensity = m_intensity;
}
}
void KViewEffects::blend()
{
KDialogBase dlg( m_pViewer->widget(), "Blend Color Dialog", true /*modal*/, i18n( "Blend Color" ), KDialogBase::Ok | KDialogBase::Try | KDialogBase::Cancel );
connect( &dlg, TQT_SIGNAL( tryClicked() ), this, TQT_SLOT( applyBlend() ) );
TQVBox * vbox = new TQVBox( &dlg );
vbox->setSpacing( KDialog::spacingHint() );
dlg.setMainWidget( vbox );
KIntNumInput * opacity = new KIntNumInput( vbox, "Opacity Input" );
opacity->setRange( 0, 100, 1, true );
opacity->setValue( m_opacity );
opacity->setLabel( i18n( "O&pacity:" ) );
opacity->setSuffix( TQString::fromAscii( "%" ) );
connect( opacity, TQT_SIGNAL( valueChanged( int ) ), this, TQT_SLOT( setOpacity( int ) ) );
TQLabel * label = new TQLabel( i18n( "Blend c&olor:" ), vbox );
KColorButton * color = new KColorButton( m_color, vbox, "Color Input Button" );
label->setBuddy( color );
connect( color, TQT_SIGNAL( changed( const TQColor & ) ), this, TQT_SLOT( setColor( const TQColor & ) ) );
int result = dlg.exec();
if( result == TQDialog::Accepted )
{
applyBlend();
m_pViewer->setModified( true );
}
else
if( m_image )
m_pViewer->canvas()->setImage( *m_image );
m_lastopacity = -1;
delete m_image;
m_image = 0;
}
void KViewEffects::setOpacity( int opacity )
{
m_opacity = opacity;
}
void KViewEffects::setColor( const TQColor & color )
{
m_color = color;
}
void KViewEffects::applyBlend()
{
if( m_opacity == m_lastopacity )
return; // nothing to do
TQImage * work = workImage();
if( work )
{
KImageEffect::blend( m_color, *work, m_opacity * 0.01 );
m_pViewer->canvas()->setImage( *work );
delete work;
m_lastopacity = m_opacity;
}
}
void KViewEffects::gamma()
{
KDialogBase dlg( m_pViewer->widget(), "Gamma Correction Dialog", true /*modal*/, i18n( "Gamma Correction" ), KDialogBase::Ok | KDialogBase::Try | KDialogBase::Cancel );
connect( &dlg, TQT_SIGNAL( tryClicked() ), this, TQT_SLOT( applyGammaCorrection() ) );
// create dialog
KDoubleNumInput * gammavalue = new KDoubleNumInput( 0.0, 1.0, 0.5, 0.01, 4, &dlg, "Gamma value input" );
gammavalue->setRange( 0.0, 1.0, 0.01, true );
connect( gammavalue, TQT_SIGNAL( valueChanged( double ) ), this, TQT_SLOT( setGammaValue( double ) ) );
gammavalue->setLabel( i18n( "Gamma value:" ) );
dlg.setMainWidget( gammavalue );
int result = dlg.exec();
if( result == TQDialog::Accepted )
{
// apply gamma correction
applyGammaCorrection();
m_pViewer->setModified( true );
}
else
{
if( m_image )
m_pViewer->canvas()->setImage( *m_image );
}
m_lastgamma = -1;
delete m_image;
m_image = 0;
}
void KViewEffects::setGammaValue( double gamma )
{
m_gamma = gamma;
kdDebug( 4630 ) << "m_gamma = " << m_gamma << endl;
// TODO: show effect on the fly if requested
}
void KViewEffects::applyGammaCorrection()
{
if( m_gamma == m_lastgamma )
return; // nothing to do
TQImage * corrected = workImage();
if( corrected )
{
TDEIconEffect::toGamma( *corrected, m_gamma );
m_pViewer->canvas()->setImage( *corrected );
delete corrected;
m_lastgamma = m_gamma;
}
}
inline TQImage * KViewEffects::workImage()
{
if( ! m_image )
{
const TQImage * canvasimage = m_pViewer->canvas()->image();
if( canvasimage )
m_image = new TQImage( *canvasimage );
}
if( m_image )
{
TQImage * changed = new TQImage( *m_image );
changed->detach();
return changed;
}
return 0;
}
// vim:sw=4:ts=4:cindent
#include "kvieweffects.moc"
|
