summaryrefslogtreecommitdiffstats
path: root/digikam/imageplugins/blurfx/blurfxtool.cpp
blob: 7110d42397c44eb7880b82dacd1e4967508c3f28 (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
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
/* ============================================================
 *
 * This file is a part of digiKam project
 * http://www.digikam.org
 *
 * Date        : 2005-02-09
 * Description : a plugin to apply Blur FX to images
 *
 * Copyright 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
 * Copyright 2006-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option)
 * any later version.
 *
 * This program 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 General Public License for more details.
 *
 * ============================================================ */

// Qt includes.

#include <qdatetime.h>
#include <qimage.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qslider.h>
#include <qwhatsthis.h>

// KDE includes.

#include <kaboutdata.h>
#include <kapplication.h>
#include <kconfig.h>
#include <klocale.h>
#include <kiconloader.h>

// LibKDcraw includes.

#include <libkdcraw/rnuminput.h>
#include <libkdcraw/rcombobox.h>

// Local includes.

#include "daboutdata.h"
#include "ddebug.h"
#include "imageiface.h"
#include "imagepanelwidget.h"
#include "editortoolsettings.h"
#include "blurfx.h"
#include "blurfxtool.h"
#include "blurfxtool.moc"

using namespace KDcrawIface;
using namespace Digikam;

namespace DigikamBlurFXImagesPlugin
{

BlurFXTool::BlurFXTool(QObject* parent)
          : EditorToolThreaded(parent)
{
    setName("blurfx");
    setToolName(i18n("Blur FX"));
    setToolIcon(SmallIcon("blurfx"));

    // -------------------------------------------------------------

    m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
                                            EditorToolSettings::Ok|
                                            EditorToolSettings::Cancel|
                                            EditorToolSettings::Try,
                                            EditorToolSettings::PanIcon);
    QGridLayout* grid = new QGridLayout( m_gboxSettings->plainPage(), 6, 1);

    m_effectTypeLabel = new QLabel(i18n("Type:"), m_gboxSettings->plainPage());

    m_effectType = new RComboBox(m_gboxSettings->plainPage());
    m_effectType->insertItem(i18n("Zoom Blur"));
    m_effectType->insertItem(i18n("Radial Blur"));
    m_effectType->insertItem(i18n("Far Blur"));
    m_effectType->insertItem(i18n("Motion Blur"));
    m_effectType->insertItem(i18n("Softener Blur"));
    m_effectType->insertItem(i18n("Skake Blur"));
    m_effectType->insertItem(i18n("Focus Blur"));
    m_effectType->insertItem(i18n("Smart Blur"));
    m_effectType->insertItem(i18n("Frost Glass"));
    m_effectType->insertItem(i18n("Mosaic"));
    m_effectType->setDefaultItem(BlurFX::ZoomBlur);
    QWhatsThis::add( m_effectType, i18n("<p>Select the blurring effect to apply to the image.<p>"
                                        "<b>Zoom Blur</b>:  blurs the image along radial lines starting from "
                                        "a specified center point. This simulates the blur of a zooming camera.<p>"
                                        "<b>Radial Blur</b>: blurs the image by rotating the pixels around "
                                        "the specified center point. This simulates the blur of a rotating camera.<p>"
                                        "<b>Far Blur</b>: blurs the image by using far pixels. This simulates the blur "
                                        "of an unfocalized camera lens.<p>"
                                        "<b>Motion Blur</b>: blurs the image by moving the pixels horizontally. "
                                        "This simulates the blur of a linear moving camera.<p>"
                                        "<b>Softener Blur</b>: blurs the image softly in dark tones and hardly in light "
                                        "tones. This gives images a dreamy and glossy soft focus effect. It's ideal "
                                        "for creating romantic portraits, glamour photographs, or giving images a warm "
                                        "and subtle glow.<p>"
                                        "<b>Skake Blur</b>: blurs the image by skaking randomly the pixels. "
                                        "This simulates the blur of a random moving camera.<p>"
                                        "<b>Focus Blur</b>: blurs the image corners to reproduce the astigmatism distortion "
                                        "of a lens.<p>"
                                        "<b>Smart Blur</b>: finds the edges of color in your image and blurs them without "
                                        "muddying the rest of the image.<p>"
                                        "<b>Frost Glass</b>: blurs the image by randomly disperse light coming through "
                                        "a frosted glass.<p>"
                                        "<b>Mosaic</b>: divides the photograph into rectangular cells and then "
                                        "recreates it by filling those cells with average pixel value."));

    m_distanceLabel = new QLabel(i18n("Distance:"), m_gboxSettings->plainPage());
    m_distanceInput = new RIntNumInput(m_gboxSettings->plainPage());
    m_distanceInput->setRange(0, 100, 1);
    m_distanceInput->setDefaultValue(3);
    QWhatsThis::add( m_distanceInput, i18n("<p>Set here the blur distance in pixels."));

    m_levelLabel = new QLabel(i18n("Level:"), m_gboxSettings->plainPage());
    m_levelInput = new RIntNumInput(m_gboxSettings->plainPage());
    m_levelInput->setRange(0, 360, 1);
    m_levelInput->setDefaultValue(128);
    QWhatsThis::add( m_levelInput, i18n("<p>This value controls the level to use with the current effect."));

    grid->addMultiCellWidget(m_effectTypeLabel, 0, 0, 0, 1);
    grid->addMultiCellWidget(m_effectType,      1, 1, 0, 1);
    grid->addMultiCellWidget(m_distanceLabel,   2, 2, 0, 1);
    grid->addMultiCellWidget(m_distanceInput,   3, 3, 0, 1);
    grid->addMultiCellWidget(m_levelLabel,      4, 4, 0, 1);
    grid->addMultiCellWidget(m_levelInput,      5, 5, 0, 1);
    grid->setRowStretch(6, 10);
    grid->setMargin(m_gboxSettings->spacingHint());
    grid->setSpacing(m_gboxSettings->spacingHint());

    setToolSettings(m_gboxSettings);

    // -------------------------------------------------------------

    m_previewWidget = new ImagePanelWidget(470, 350, "blurfx Tool", m_gboxSettings->panIconView());

    setToolView(m_previewWidget);
    init();

    // -------------------------------------------------------------

    connect(m_effectType, SIGNAL(activated(int)),
            this, SLOT(slotEffectTypeChanged(int)));

    connect(m_distanceInput, SIGNAL(valueChanged(int)),
            this, SLOT(slotTimer()));

    connect(m_levelInput, SIGNAL(valueChanged(int)),
            this, SLOT(slotTimer()));
}

BlurFXTool::~BlurFXTool()
{
}

void BlurFXTool::renderingFinished(void)
{

    m_effectTypeLabel->setEnabled(true);
    m_effectType->setEnabled(true);
    m_distanceInput->setEnabled(true);
    m_distanceLabel->setEnabled(true);

    switch (m_effectType->currentItem())
    {
        case BlurFX::ZoomBlur:
        case BlurFX::RadialBlur:
        case BlurFX::FarBlur:
        case BlurFX::ShakeBlur:
        case BlurFX::FrostGlass:
        case BlurFX::Mosaic:
            break;

        case BlurFX::MotionBlur:
        case BlurFX::FocusBlur:
        case BlurFX::SmartBlur:
            m_levelInput->setEnabled(true);
            m_levelLabel->setEnabled(true);
            break;

        case BlurFX::SoftenerBlur:
            m_distanceInput->setEnabled(false);
            m_distanceLabel->setEnabled(false);
            break;
    }
}

void BlurFXTool::readSettings()
{
    KConfig* config = kapp->config();
    config->setGroup("blurfx Tool");
    m_effectType->blockSignals(true);
    m_distanceInput->blockSignals(true);
    m_levelInput->blockSignals(true);

    m_effectType->setCurrentItem(config->readNumEntry("EffectType", m_effectType->defaultItem()));
    m_distanceInput->setValue(config->readNumEntry("DistanceAjustment", m_distanceInput->defaultValue()));
    m_levelInput->setValue(config->readNumEntry("LevelAjustment", m_levelInput->defaultValue()));

    m_effectType->blockSignals(false);
    m_distanceInput->blockSignals(false);
    m_levelInput->blockSignals(false);
}

void BlurFXTool::writeSettings()
{
    KConfig* config = kapp->config();
    config->setGroup("blurfx Tool");
    config->writeEntry("EffectType", m_effectType->currentItem());
    config->writeEntry("DistanceAjustment", m_distanceInput->value());
    config->writeEntry("LevelAjustment", m_levelInput->value());
    m_previewWidget->writeSettings();
    config->sync();
}

void BlurFXTool::slotResetSettings()
{
       m_effectType->blockSignals(true);
       m_distanceInput->blockSignals(true);
       m_levelInput->blockSignals(true);

       m_effectType->slotReset();
       m_distanceInput->slotReset();
       m_levelInput->slotReset();

       m_effectType->blockSignals(false);
       m_distanceInput->blockSignals(false);
       m_levelInput->blockSignals(false);

       slotEffectTypeChanged(m_effectType->defaultItem());
}

void BlurFXTool::slotEffectTypeChanged(int type)
{
    m_distanceInput->setEnabled(true);
    m_distanceLabel->setEnabled(true);

    m_distanceInput->blockSignals(true);
    m_levelInput->blockSignals(true);

    m_distanceInput->setRange(0, 200, 1);
    m_distanceInput->setValue(100);
    m_levelInput->setRange(0, 360, 1);
    m_levelInput->setValue(45);

    m_levelInput->setEnabled(false);
    m_levelLabel->setEnabled(false);

    switch (type)
    {
       case BlurFX::ZoomBlur:
          break;

       case BlurFX::RadialBlur:
       case BlurFX::FrostGlass:
          m_distanceInput->setRange(0, 10, 1);
          m_distanceInput->setValue(3);
          break;

       case BlurFX::FarBlur:
          m_distanceInput->setRange(0, 20, 1);
          m_distanceInput->input()->setMaxValue(20);
          m_distanceInput->setValue(10);
          break;

       case BlurFX::MotionBlur:
       case BlurFX::FocusBlur:
          m_distanceInput->setRange(0, 100, 1);
          m_distanceInput->setValue(20);
          m_levelInput->setEnabled(true);
          m_levelLabel->setEnabled(true);
          break;

       case BlurFX::SoftenerBlur:
          m_distanceInput->setEnabled(false);
          m_distanceLabel->setEnabled(false);
          break;

       case BlurFX::ShakeBlur:
          m_distanceInput->setRange(0, 100, 1);
          m_distanceInput->setValue(20);
          break;

       case BlurFX::SmartBlur:
          m_distanceInput->setRange(0, 20, 1);
          m_distanceInput->setValue(3);
          m_levelInput->setEnabled(true);
          m_levelLabel->setEnabled(true);
          m_levelInput->setRange(0, 255, 1);
          m_levelInput->setValue(128);
          break;

       case BlurFX::Mosaic:
          m_distanceInput->setRange(0, 50, 1);
          m_distanceInput->setValue(3);
          break;
    }

    m_distanceInput->blockSignals(false);
    m_levelInput->blockSignals(false);

    slotEffect();
}

void BlurFXTool::prepareEffect()
{
    m_effectTypeLabel->setEnabled(false);
    m_effectType->setEnabled(false);
    m_distanceInput->setEnabled(false);
    m_distanceLabel->setEnabled(false);
    m_levelInput->setEnabled(false);
    m_levelLabel->setEnabled(false);

    DImg image;

    switch (m_effectType->currentItem())
    {
        case BlurFX::ZoomBlur:
        case BlurFX::RadialBlur:
        case BlurFX::FocusBlur:
        {
            ImageIface iface(0, 0);
            image = *iface.getOriginalImg();
            break;
        }

        case BlurFX::FarBlur:
        case BlurFX::MotionBlur:
        case BlurFX::SoftenerBlur:
        case BlurFX::ShakeBlur:
        case BlurFX::SmartBlur:
        case BlurFX::FrostGlass:
        case BlurFX::Mosaic:
           image = m_previewWidget->getOriginalRegionImage();
           break;
    }

    int t = m_effectType->currentItem();
    int d = m_distanceInput->value();
    int l = m_levelInput->value();

    setFilter(dynamic_cast<DImgThreadedFilter*>(new BlurFX(&image, this, t, d, l)));
}

void BlurFXTool::prepareFinal()
{
    m_effectTypeLabel->setEnabled(false);
    m_effectType->setEnabled(false);
    m_distanceInput->setEnabled(false);
    m_distanceLabel->setEnabled(false);
    m_levelInput->setEnabled(false);
    m_levelLabel->setEnabled(false);

    int t = m_effectType->currentItem();
    int d = m_distanceInput->value();
    int l = m_levelInput->value();

    ImageIface iface(0, 0);
    setFilter(dynamic_cast<DImgThreadedFilter *>(new BlurFX(iface.getOriginalImg(), this, t, d, l)));
}

void BlurFXTool::putPreviewData()
{
    switch (m_effectType->currentItem())
    {
        case BlurFX::ZoomBlur:
        case BlurFX::RadialBlur:
        case BlurFX::FocusBlur:
        {
            QRect pRect    = m_previewWidget->getOriginalImageRegionToRender();
            DImg destImg = filter()->getTargetImage().copy(pRect);
            m_previewWidget->setPreviewImage(destImg);
            break;
        }
        case BlurFX::FarBlur:
        case BlurFX::MotionBlur:
        case BlurFX::SoftenerBlur:
        case BlurFX::ShakeBlur:
        case BlurFX::SmartBlur:
        case BlurFX::FrostGlass:
        case BlurFX::Mosaic:
            m_previewWidget->setPreviewImage(filter()->getTargetImage());
            break;
    }
}

void BlurFXTool::putFinalData()
{
    ImageIface iface(0, 0);
    iface.putOriginalImage(i18n("Blur Effects"), filter()->getTargetImage().bits());
}

}  // NameSpace DigikamBlurFXImagesPlugin