Differential D11629 Diff 30670 lib/documentview/rasterimageview.cpp

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lib/documentview/rasterimageview.cpp

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39 39​
40namespace Gwenview 40​namespace Gwenview
41{ 41​{
42 42​
43struct RasterImageViewPrivate 43​struct RasterImageViewPrivate
44{ 44​{
45 RasterImageView* q; 45​ RasterImageView* q;
46 ImageScaler* mScaler; 46​ ImageScaler* mScaler;
47 QPixmap mBackgroundTexture; ​
48 bool mEmittedCompleted; 47​ bool mEmittedCompleted;
49 48​
50 // Config 49​ // Config
51 RasterImageView::AlphaBackgroundMode mAlphaBackgroundMode; 50​ AbstractImageView::AlphaBackgroundMode mAlphaBackgroundMode;
52 QColor mAlphaBackgroundColor; 51​ QColor mAlphaBackgroundColor;
53 cmsUInt32Number mRenderingIntent; 52​ cmsUInt32Number mRenderingIntent;
54 bool mEnlargeSmallerImages; 53​ bool mEnlargeSmallerImages;
55 // /Config 54​ // /Config
56 55​
57 bool mBufferIsEmpty; 56​ bool mBufferIsEmpty;
58 QPixmap mCurrentBuffer; 57​ QPixmap mCurrentBuffer;
59 // The alternate buffer is useful when scrolling: existing content is copied 58​ // The alternate buffer is useful when scrolling: existing content is copied
▲ Show 20 Lines • Show All 46 Lines • ▼ Show 20 Line(s)101#endif
106 } 105​ }
107 106​
108 mDisplayTransform = cmsCreateTransform(profile->handle(), cmsFormat, 107​ mDisplayTransform = cmsCreateTransform(profile->handle(), cmsFormat,
109 monitorProfile->handle(), cmsFormat, 108​ monitorProfile->handle(), cmsFormat,
110 mRenderingIntent, cmsFLAGS_BLACKPOINTCOMPENSATION); 109​ mRenderingIntent, cmsFLAGS_BLACKPOINTCOMPENSATION);
111 mApplyDisplayTransform = true; 110​ mApplyDisplayTransform = true;
112 } 111​ }
113 112​
114 void createBackgroundTexture() ​
115 { ​
116 mBackgroundTexture = QPixmap(32, 32); ​
117 QPainter painter(&mBackgroundTexture); ​
118 painter.fillRect(mBackgroundTexture.rect(), QColor(128, 128, 128)); ​
119 QColor light = QColor(192, 192, 192); ​
120 painter.fillRect(0, 0, 16, 16, light); ​
121 painter.fillRect(16, 16, 16, 16, light); ​
122 } ​
123 ​
124 void setupUpdateTimer() 113​ void setupUpdateTimer()
125 { 114​ {
126 mUpdateTimer = new QTimer(q); 115​ mUpdateTimer = new QTimer(q);
127 mUpdateTimer->setInterval(500); 116​ mUpdateTimer->setInterval(500);
128 mUpdateTimer->setSingleShot(true); 117​ mUpdateTimer->setSingleShot(true);
129 QObject::connect(mUpdateTimer, SIGNAL(timeout()), q, SLOT(updateBuffer())); 118​ QObject::connect(mUpdateTimer, SIGNAL(timeout()), q, SLOT(updateBuffer()));
130 } 119​ }
131 120​
Show All 36 Lines156 {
168 QPainter painter(&mAlternateBuffer); 157​ QPainter painter(&mAlternateBuffer);
169 painter.drawPixmap(0, 0, mCurrentBuffer); 158​ painter.drawPixmap(0, 0, mCurrentBuffer);
170 } 159​ }
171 qSwap(mAlternateBuffer, mCurrentBuffer); 160​ qSwap(mAlternateBuffer, mCurrentBuffer);
172 161​
173 mAlternateBuffer = QPixmap(); 162​ mAlternateBuffer = QPixmap();
174 } 163​ }
175 164​
176 void drawAlphaBackground(QPainter* painter, const QRect& viewportRect, const QPoint& zoomedImageTopLeft) 165​ void drawAlphaBackground(QPainter* painter, const QRect& viewportRect, const QPoint& zoomedImageTopLeft, QPixmap texture)
177 { 166​ {
178 if (mAlphaBackgroundMode == RasterImageView::AlphaBackgroundCheckBoard) { 167​ if (mAlphaBackgroundMode == AbstractImageView::AlphaBackgroundCheckBoard) {
179 QPoint textureOffset( 168​ QPoint textureOffset(
180 zoomedImageTopLeft.x() % mBackgroundTexture.width(), 169​ zoomedImageTopLeft.x() % texture.width(),
181 zoomedImageTopLeft.y() % mBackgroundTexture.height() 170​ zoomedImageTopLeft.y() % texture.height()
182 ); 171​ );
183 painter->drawTiledPixmap( 172​ painter->drawTiledPixmap(
184 viewportRect, 173​ viewportRect,
185 mBackgroundTexture, 174​ texture,
186 textureOffset); 175​ textureOffset);
187 } else { 176​ } else {
188 painter->fillRect(viewportRect, mAlphaBackgroundColor); 177​ painter->fillRect(viewportRect, mAlphaBackgroundColor);
189 } 178​ }
190 } 179​ }
191}; 180​};
192 181​
193RasterImageView::RasterImageView(QGraphicsItem* parent) 182​RasterImageView::RasterImageView(QGraphicsItem* parent)
Show All 9 Lines185{
203 d->mAlphaBackgroundColor = Qt::black; 192​ d->mAlphaBackgroundColor = Qt::black;
204 d->mRenderingIntent = INTENT_PERCEPTUAL; 193​ d->mRenderingIntent = INTENT_PERCEPTUAL;
205 d->mEnlargeSmallerImages = false; 194​ d->mEnlargeSmallerImages = false;
206 195​
207 d->mBufferIsEmpty = true; 196​ d->mBufferIsEmpty = true;
208 d->mScaler = new ImageScaler(this); 197​ d->mScaler = new ImageScaler(this);
209 connect(d->mScaler, &ImageScaler::scaledRect, this, &RasterImageView::updateFromScaler); 198​ connect(d->mScaler, &ImageScaler::scaledRect, this, &RasterImageView::updateFromScaler);
210 199​
211 d->createBackgroundTexture(); ​
212 d->setupUpdateTimer(); 200​ d->setupUpdateTimer();
213} 201​}
214 202​
215RasterImageView::~RasterImageView() 203​RasterImageView::~RasterImageView()
216{ 204​{
217 if (d->mTool) { 205​ if (d->mTool) {
218 d->mTool.data()->toolDeactivated(); 206​ d->mTool.data()->toolDeactivated();
219 } 207​ }
▲ Show 20 Lines • Show All 122 Lines • ▼ Show 20 Line(s)320{
342 int viewportLeft = zoomedImageLeft - scrollPos().x(); 330​ int viewportLeft = zoomedImageLeft - scrollPos().x();
343 int viewportTop = zoomedImageTop - scrollPos().y(); 331​ int viewportTop = zoomedImageTop - scrollPos().y();
344 d->mBufferIsEmpty = false; 332​ d->mBufferIsEmpty = false;
345 { 333​ {
346 QPainter painter(&d->mCurrentBuffer); 334​ QPainter painter(&d->mCurrentBuffer);
347 if (document()->hasAlphaChannel()) { 335​ if (document()->hasAlphaChannel()) {
348 d->drawAlphaBackground( 336​ d->drawAlphaBackground(
349 &painter, QRect(viewportLeft, viewportTop, image.width(), image.height()), 337​ &painter, QRect(viewportLeft, viewportTop, image.width(), image.height()),
350 QPoint(zoomedImageLeft, zoomedImageTop) 338​ QPoint(zoomedImageLeft, zoomedImageTop),
339​ alphaBackgroundTexture()
351 ); 340​ );
352 } else { 341​ } else {
353 painter.setCompositionMode(QPainter::CompositionMode_Source); 342​ painter.setCompositionMode(QPainter::CompositionMode_Source);
354 } 343​ }
355 painter.drawImage(viewportLeft, viewportTop, image); 344​ painter.drawImage(viewportLeft, viewportTop, image);
356 } 345​ }
357 update(); 346​ update();
358 347​
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