FX_BOOL CFX_QuartzDeviceDriver::GetDIBits(CFX_DIBitmap* bitmap,
FX_INT32 left,
FX_INT32 top,
void* pIccTransform,
FX_BOOL bDEdge)
{
if (FXDC_PRINTER == _deviceClass) {
return FALSE;
}
if (bitmap->GetBPP() < 32) {
return FALSE;
}
if (!(_renderCaps | FXRC_GET_BITS)) {
return FALSE;
}
CGPoint pt = CGPointMake(left, top);
pt = CGPointApplyAffineTransform(pt, _foxitDevice2User);
CGAffineTransform ctm = CGContextGetCTM(_context);
pt.x *= FXSYS_fabs(ctm.a);
pt.y *= FXSYS_fabs(ctm.d);
CGImageRef image = CGBitmapContextCreateImage(_context);
if (NULL == image) {
return FALSE;
}
CGFloat width = (CGFloat) bitmap->GetWidth();
CGFloat height = (CGFloat) bitmap->GetHeight();
if (width + pt.x > _width) {
width -= (width + pt.x - _width);
}
if (height + pt.y > _height) {
height -= (height + pt.y - _height);
}
CGImageRef subImage = CGImageCreateWithImageInRect(image,
CGRectMake(pt.x,
pt.y,
width,
height));
CGContextRef context = createContextWithBitmap(bitmap);
CGRect rect = CGContextGetClipBoundingBox(context);
CGContextClearRect(context, rect);
CGContextDrawImage(context, rect, subImage);
CGContextRelease(context);
CGImageRelease(subImage);
CGImageRelease(image);
if (bitmap->HasAlpha()) {
for (int row = 0; row < bitmap->GetHeight(); row ++) {
FX_LPBYTE pScanline = (FX_LPBYTE)bitmap->GetScanline(row);
for (int col = 0; col < bitmap->GetWidth(); col ++) {
if (pScanline[3] > 0) {
pScanline[0] = (pScanline[0] * 255.f / pScanline[3] + .5f);
pScanline[1] = (pScanline[1] * 255.f / pScanline[3] + .5f);
pScanline[2] = (pScanline[2] * 255.f / pScanline[3] + .5f);
}
pScanline += 4;
}
}
}
return TRUE;
}
static RetainPtr<CGImageRef> createCroppedImageIfNecessary(CGImageRef image, const IntSize& bounds)
{
if (image && (CGImageGetWidth(image) != static_cast<size_t>(bounds.width())
|| CGImageGetHeight(image) != static_cast<size_t>(bounds.height()))) {
return adoptCF(CGImageCreateWithImageInRect(image, CGRectMake(0, 0, bounds.width(), bounds.height())));
}
return image;
}
static void SetIconImage (CGImageRef image, CGRect rct, int n)
{
if (systemVersion >= 0x1040)
macIconImage[n] = CGImageCreateWithImageInRect(image, rct);
#ifdef MAC_PANTHER_SUPPORT
else
macIconRef[n] = CreateIconRefFromImage(image, rct);
#endif
}
bool QMacWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
if (d_ptr->device.size().isNull())
return false;
QCFType<CGImageRef> image = d_ptr->device.toMacCGImageRef();
const QRect rect(area.boundingRect());
const CGRect dest = CGRectMake(rect.x(), rect.y(), rect.width(), rect.height());
QCFType<CGImageRef> subimage = CGImageCreateWithImageInRect(image, dest);
QCFType<CGContextRef> context = qt_mac_cg_context(&d_ptr->device);
CGContextTranslateCTM(context, dx, dy);
qt_mac_drawCGImage(context, &dest, subimage);
return true;
}
void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const AffineTransform& patternTransform,
const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator op, const FloatRect& destRect)
{
if (!nativeImageForCurrentFrame())
return;
ASSERT(patternTransform.isInvertible());
if (!patternTransform.isInvertible())
// Avoid a hang under CGContextDrawTiledImage on release builds.
return;
CGContextRef context = ctxt->platformContext();
ctxt->save();
CGContextClipToRect(context, destRect);
ctxt->setCompositeOperation(op);
CGContextTranslateCTM(context, destRect.x(), destRect.y() + destRect.height());
CGContextScaleCTM(context, 1, -1);
// Compute the scaled tile size.
float scaledTileHeight = tileRect.height() * narrowPrecisionToFloat(patternTransform.d());
// We have to adjust the phase to deal with the fact we're in Cartesian space now (with the bottom left corner of destRect being
// the origin).
float adjustedX = phase.x() - destRect.x() + tileRect.x() * narrowPrecisionToFloat(patternTransform.a()); // We translated the context so that destRect.x() is the origin, so subtract it out.
float adjustedY = destRect.height() - (phase.y() - destRect.y() + tileRect.y() * narrowPrecisionToFloat(patternTransform.d()) + scaledTileHeight);
CGImageRef tileImage = nativeImageForCurrentFrame();
float h = CGImageGetHeight(tileImage);
RetainPtr<CGImageRef> subImage;
if (tileRect.size() == size())
subImage = tileImage;
else {
// Copying a sub-image out of a partially-decoded image stops the decoding of the original image. It should never happen
// because sub-images are only used for border-image, which only renders when the image is fully decoded.
ASSERT(h == height());
subImage.adoptCF(CGImageCreateWithImageInRect(tileImage, tileRect));
}
// Adjust the color space.
subImage = imageWithColorSpace(subImage.get(), styleColorSpace);
#ifndef BUILDING_ON_TIGER
// Leopard has an optimized call for the tiling of image patterns, but we can only use it if the image has been decoded enough that
// its buffer is the same size as the overall image. Because a partially decoded CGImageRef with a smaller width or height than the
// overall image buffer needs to tile with "gaps", we can't use the optimized tiling call in that case.
// FIXME: Could create WebKitSystemInterface SPI for CGCreatePatternWithImage2 and probably make Tiger tile faster as well.
// FIXME: We cannot use CGContextDrawTiledImage with scaled tiles on Leopard, because it suffers from rounding errors. Snow Leopard is ok.
float scaledTileWidth = tileRect.width() * narrowPrecisionToFloat(patternTransform.a());
float w = CGImageGetWidth(tileImage);
#ifdef BUILDING_ON_LEOPARD
if (w == size().width() && h == size().height() && scaledTileWidth == tileRect.width() && scaledTileHeight == tileRect.height())
#else
if (w == size().width() && h == size().height())
#endif
CGContextDrawTiledImage(context, FloatRect(adjustedX, adjustedY, scaledTileWidth, scaledTileHeight), subImage.get());
else {
#endif
// On Leopard, this code now only runs for partially decoded images whose buffers do not yet match the overall size of the image.
// On Tiger this code runs all the time. This code is suboptimal because the pattern does not reference the image directly, and the
// pattern is destroyed before exiting the function. This means any decoding the pattern does doesn't end up cached anywhere, so we
// redecode every time we paint.
static const CGPatternCallbacks patternCallbacks = { 0, drawPatternCallback, NULL };
CGAffineTransform matrix = CGAffineTransformMake(narrowPrecisionToCGFloat(patternTransform.a()), 0, 0, narrowPrecisionToCGFloat(patternTransform.d()), adjustedX, adjustedY);
matrix = CGAffineTransformConcat(matrix, CGContextGetCTM(context));
// The top of a partially-decoded image is drawn at the bottom of the tile. Map it to the top.
matrix = CGAffineTransformTranslate(matrix, 0, size().height() - h);
RetainPtr<CGPatternRef> pattern(AdoptCF, CGPatternCreate(subImage.get(), CGRectMake(0, 0, tileRect.width(), tileRect.height()),
matrix, tileRect.width(), tileRect.height(),
kCGPatternTilingConstantSpacing, true, &patternCallbacks));
if (!pattern) {
ctxt->restore();
return;
}
RetainPtr<CGColorSpaceRef> patternSpace(AdoptCF, CGColorSpaceCreatePattern(0));
CGFloat alpha = 1;
RetainPtr<CGColorRef> color(AdoptCF, CGColorCreateWithPattern(patternSpace.get(), pattern.get(), &alpha));
CGContextSetFillColorSpace(context, patternSpace.get());
// FIXME: Really want a public API for this. It is just CGContextSetBaseCTM(context, CGAffineTransformIdentiy).
wkSetPatternBaseCTM(context, CGAffineTransformIdentity);
CGContextSetPatternPhase(context, CGSizeZero);
CGContextSetFillColorWithColor(context, color.get());
CGContextFillRect(context, CGContextGetClipBoundingBox(context));
#ifndef BUILDING_ON_TIGER
}
#endif
ctxt->restore();
if (imageObserver())
imageObserver()->didDraw(this);
}
void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& destRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator compositeOp)
{
startAnimation();
RetainPtr<CGImageRef> image = frameAtIndex(m_currentFrame);
if (!image) // If it's too early we won't have an image yet.
return;
if (mayFillWithSolidColor()) {
fillWithSolidColor(ctxt, destRect, solidColor(), styleColorSpace, compositeOp);
return;
}
float currHeight = CGImageGetHeight(image.get());
if (currHeight <= srcRect.y())
return;
CGContextRef context = ctxt->platformContext();
ctxt->save();
bool shouldUseSubimage = false;
// If the source rect is a subportion of the image, then we compute an inflated destination rect that will hold the entire image
// and then set a clip to the portion that we want to display.
FloatRect adjustedDestRect = destRect;
FloatSize selfSize = currentFrameSize();
if (srcRect.size() != selfSize) {
CGInterpolationQuality interpolationQuality = CGContextGetInterpolationQuality(context);
// When the image is scaled using high-quality interpolation, we create a temporary CGImage
// containing only the portion we want to display. We need to do this because high-quality
// interpolation smoothes sharp edges, causing pixels from outside the source rect to bleed
// into the destination rect. See <rdar://problem/6112909>.
shouldUseSubimage = (interpolationQuality == kCGInterpolationHigh || interpolationQuality == kCGInterpolationDefault) && (srcRect.size() != destRect.size() || !ctxt->getCTM().isIdentityOrTranslationOrFlipped());
float xScale = srcRect.width() / destRect.width();
float yScale = srcRect.height() / destRect.height();
if (shouldUseSubimage) {
FloatRect subimageRect = srcRect;
float leftPadding = srcRect.x() - floorf(srcRect.x());
float topPadding = srcRect.y() - floorf(srcRect.y());
subimageRect.move(-leftPadding, -topPadding);
adjustedDestRect.move(-leftPadding / xScale, -topPadding / yScale);
subimageRect.setWidth(ceilf(subimageRect.width() + leftPadding));
adjustedDestRect.setWidth(subimageRect.width() / xScale);
subimageRect.setHeight(ceilf(subimageRect.height() + topPadding));
adjustedDestRect.setHeight(subimageRect.height() / yScale);
image.adoptCF(CGImageCreateWithImageInRect(image.get(), subimageRect));
if (currHeight < srcRect.bottom()) {
ASSERT(CGImageGetHeight(image.get()) == currHeight - CGRectIntegral(srcRect).origin.y);
adjustedDestRect.setHeight(CGImageGetHeight(image.get()) / yScale);
}
} else {
adjustedDestRect.setLocation(FloatPoint(destRect.x() - srcRect.x() / xScale, destRect.y() - srcRect.y() / yScale));
adjustedDestRect.setSize(FloatSize(selfSize.width() / xScale, selfSize.height() / yScale));
}
CGContextClipToRect(context, destRect);
}
// If the image is only partially loaded, then shrink the destination rect that we're drawing into accordingly.
if (!shouldUseSubimage && currHeight < selfSize.height())
adjustedDestRect.setHeight(adjustedDestRect.height() * currHeight / selfSize.height());
ctxt->setCompositeOperation(compositeOp);
// Flip the coords.
CGContextScaleCTM(context, 1, -1);
adjustedDestRect.setY(-adjustedDestRect.bottom());
// Adjust the color space.
image = imageWithColorSpace(image.get(), styleColorSpace);
// Draw the image.
CGContextDrawImage(context, adjustedDestRect, image.get());
ctxt->restore();
if (imageObserver())
imageObserver()->didDraw(this);
}
void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
Q_D(QRasterWindowSurface);
// Not ready for painting yet, bail out. This can happen in
// QWidget::create_sys()
if (!d->image || rgn.rectCount() == 0)
return;
#ifdef Q_WS_WIN
QRect br = rgn.boundingRect();
if (!qt_widget_private(window())->isOpaque
&& window()->testAttribute(Qt::WA_TranslucentBackground)
&& (qt_widget_private(window())->data.window_flags & Qt::FramelessWindowHint))
{
QRect r = window()->frameGeometry();
QPoint frameOffset = qt_widget_private(window())->frameStrut().topLeft();
QRect dirtyRect = br.translated(offset + frameOffset);
SIZE size = {r.width(), r.height()};
POINT ptDst = {r.x(), r.y()};
POINT ptSrc = {0, 0};
BLENDFUNCTION blend = {AC_SRC_OVER, 0, (BYTE)(255.0 * window()->windowOpacity()), Q_AC_SRC_ALPHA};
RECT dirty = {dirtyRect.x(), dirtyRect.y(),
dirtyRect.x() + dirtyRect.width(), dirtyRect.y() + dirtyRect.height()};
Q_UPDATELAYEREDWINDOWINFO info = {sizeof(info), NULL, &ptDst, &size, d->image->hdc, &ptSrc, 0, &blend, Q_ULW_ALPHA, &dirty};
ptrUpdateLayeredWindowIndirect(window()->internalWinId(), &info);
} else
{
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
HDC widget_dc = widget->getDC();
QRect wbr = br.translated(-wOffset);
BitBlt(widget_dc, wbr.x(), wbr.y(), wbr.width(), wbr.height(),
d->image->hdc, br.x() + offset.x(), br.y() + offset.y(), SRCCOPY);
widget->releaseDC(widget_dc);
}
#ifndef QT_NO_DEBUG
static bool flush = !qgetenv("QT_FLUSH_WINDOWSURFACE").isEmpty();
if (flush) {
SelectObject(qt_win_display_dc(), GetStockObject(BLACK_BRUSH));
Rectangle(qt_win_display_dc(), 0, 0, d->image->width() + 2, d->image->height() + 2);
BitBlt(qt_win_display_dc(), 1, 1, d->image->width(), d->image->height(),
d->image->hdc, 0, 0, SRCCOPY);
}
#endif
#endif
#ifdef Q_WS_X11
extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
extern QWidgetData* qt_widget_data(QWidget *);
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
if (widget->window() != window()) {
XFreeGC(X11->display, d_ptr->gc);
d_ptr->gc = XCreateGC(X11->display, widget->handle(), 0, 0);
}
QRegion wrgn(rgn);
if (!wOffset.isNull())
wrgn.translate(-wOffset);
if (wrgn.rectCount() != 1) {
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
XSetClipRectangles(X11->display, d_ptr->gc, 0, 0, rects, num, YXBanded);
}
QPoint widgetOffset = offset + wOffset;
QRect clipRect = widget->rect().translated(widgetOffset).intersected(d_ptr->image->image.rect());
QRect br = rgn.boundingRect().translated(offset).intersected(clipRect);
QPoint wpos = br.topLeft() - widgetOffset;
#ifndef QT_NO_MITSHM
if (d_ptr->image->xshmpm) {
XCopyArea(X11->display, d_ptr->image->xshmpm, widget->handle(), d_ptr->gc,
br.x(), br.y(), br.width(), br.height(), wpos.x(), wpos.y());
d_ptr->needsSync = true;
} else if (d_ptr->image->xshmimg) {
XShmPutImage(X11->display, widget->handle(), d_ptr->gc, d_ptr->image->xshmimg,
br.x(), br.y(), wpos.x(), wpos.y(), br.width(), br.height(), False);
d_ptr->needsSync = true;
} else
#endif
{
int depth = widget->x11Info().depth();
const QImage &src = d->image->image;
if (src.format() != QImage::Format_RGB32 || depth < 24 || X11->bppForDepth.value(depth) != 32) {
Q_ASSERT(src.depth() >= 16);
const QImage sub_src(src.scanLine(br.y()) + br.x() * (uint(src.depth()) / 8),
br.width(), br.height(), src.bytesPerLine(), src.format());
QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType);
data->xinfo = widget->x11Info();
data->fromImage(sub_src, Qt::NoOpaqueDetection);
QPixmap pm = QPixmap(data);
XCopyArea(X11->display, pm.handle(), widget->handle(), d_ptr->gc, 0 , 0 , br.width(), br.height(), wpos.x(), wpos.y());
} else {
// qpaintengine_x11.cpp
extern void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image, Drawable hd, GC gc, Display *dpy, Visual *visual, int depth);
qt_x11_drawImage(br, wpos, src, widget->handle(), d_ptr->gc, X11->display, (Visual *)widget->x11Info().visual(), depth);
}
}
if (wrgn.rectCount() != 1)
XSetClipMask(X11->display, d_ptr->gc, XNone);
#endif // FALCON
#ifdef Q_WS_MAC
Q_UNUSED(offset);
// This is mainly done for native components like native "open file" dialog.
if (widget->testAttribute(Qt::WA_DontShowOnScreen)) {
return;
}
#ifdef QT_MAC_USE_COCOA
this->needsFlush = true;
this->regionToFlush += rgn;
// The actual flushing will be processed in [view drawRect:rect]
qt_mac_setNeedsDisplay(widget);
#else
// Get a context for the widget.
CGContextRef context;
CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
QDBeginCGContext(port, &context);
CGContextRetain(context);
CGContextSaveGState(context);
// Flip context.
CGContextTranslateCTM(context, 0, widget->height());
CGContextScaleCTM(context, 1, -1);
// Clip to region.
const QVector<QRect> &rects = rgn.rects();
for (int i = 0; i < rects.size(); ++i) {
const QRect &rect = rects.at(i);
CGContextAddRect(context, CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()));
}
CGContextClip(context);
QRect r = rgn.boundingRect().intersected(d->image->image.rect());
const CGRect area = CGRectMake(r.x(), r.y(), r.width(), r.height());
CGImageRef image = CGBitmapContextCreateImage(d->image->cg);
CGImageRef subImage = CGImageCreateWithImageInRect(image, area);
qt_mac_drawCGImage(context, &area, subImage);
CGImageRelease(subImage);
CGImageRelease(image);
QDEndCGContext(port, &context);
// Restore context.
CGContextRestoreGState(context);
CGContextRelease(context);
#endif // QT_MAC_USE_COCOA
#endif // Q_WS_MAC
}
void UIFrameBufferQuartz2D::paintEvent(QPaintEvent *aEvent)
{
/* If the machine is NOT in 'running' state,
* the link between framebuffer and video memory
* is broken, we should go fallback now... */
if (m_fUsesGuestVRAM &&
!m_pMachineView->uisession()->isRunning() &&
!m_pMachineView->uisession()->isPaused() &&
/* Online snapshotting: */
m_pMachineView->uisession()->machineState() != KMachineState_Saving)
{
/* Simulate fallback through fake resize-event: */
UIResizeEvent event(FramebufferPixelFormat_Opaque, NULL, 0, 0, 640, 480);
resizeEvent(&event);
}
/* For debugging /Developer/Applications/Performance Tools/Quartz
* Debug.app is a nice tool to see which parts of the screen are
* updated.*/
Assert(m_image);
QWidget* viewport = m_pMachineView->viewport();
Assert(VALID_PTR(viewport));
/* Get the dimensions of the viewport */
CGRect viewRect = ::darwinToCGRect(viewport->geometry());
/* Get the context of this window from Qt */
CGContextRef ctx = ::darwinToCGContextRef(viewport);
Assert(VALID_PTR(ctx));
/* Flip the context */
CGContextTranslateCTM(ctx, 0, viewRect.size.height);
CGContextScaleCTM(ctx, 1.0, -1.0);
/* We handle the seamless mode as a special case. */
if (m_pMachineLogic->visualStateType() == UIVisualStateType_Seamless)
{
/* Clear the background (make the rect fully transparent): */
CGContextClearRect(ctx, viewRect);
#ifdef OVERLAY_CLIPRECTS
/* Enable overlay above the seamless mask: */
CGContextSetRGBFillColor(ctx, 0.0, 0.0, 5.0, 0.7);
CGContextFillRect(ctx, viewRect);
#endif /* OVERLAY_CLIPRECTS */
#ifdef COMP_WITH_SHADOW
/* Enable shadows: */
CGContextSetShadow(ctx, CGSizeMake (10, -10), 10);
CGContextBeginTransparencyLayer(ctx, NULL);
#endif /* COMP_WITH_SHADOW */
/* Determine current visible region: */
RegionRects *pRgnRcts = ASMAtomicXchgPtrT(&mRegion, NULL, RegionRects*);
if (pRgnRcts)
{
/* If visible region is determined: */
if (pRgnRcts->used > 0)
{
/* Add the clipping rects all at once (they are defined in SetVisibleRegion): */
CGContextBeginPath(ctx);
CGContextAddRects(ctx, pRgnRcts->rcts, pRgnRcts->used);
/* Now convert the path to a clipping path: */
CGContextClip(ctx);
}
/* Put back the visible region, free if we cannot (2+ SetVisibleRegion calls): */
if ( !ASMAtomicCmpXchgPtr(&mRegion, pRgnRcts, NULL)
&& !ASMAtomicCmpXchgPtr(&mRegionUnused, pRgnRcts, NULL))
{
RTMemFree(pRgnRcts);
pRgnRcts = NULL;
}
}
/* If visible region is still determined: */
if (pRgnRcts && pRgnRcts->used > 0)
{
/* Create a subimage of the current view.
* Currently this subimage is the whole screen. */
CGImageRef subImage;
if (!m_pMachineView->pauseShot().isNull())
{
CGImageRef pauseImg = ::darwinToCGImageRef(&m_pMachineView->pauseShot());
subImage = CGImageCreateWithImageInRect(pauseImg, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
CGImageRelease(pauseImg);
}
else
{
#ifdef RT_ARCH_AMD64
/* Not sure who to blame, but it seems on 64bit there goes
* something terrible wrong (on a second monitor) when directly
* using CGImageCreateWithImageInRect without making a copy. We saw
* something like this already with the scale mode. */
CGImageRef tmpImage = CGImageCreateWithImageInRect(m_image, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
subImage = CGImageCreateCopy(tmpImage);
CGImageRelease(tmpImage);
#else /* RT_ARCH_AMD64 */
subImage = CGImageCreateWithImageInRect(m_image, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
#endif /* !RT_ARCH_AMD64 */
}
Assert(VALID_PTR(subImage));
/* In any case clip the drawing to the view window: */
CGContextClipToRect(ctx, viewRect);
/* At this point draw the real vm image: */
CGContextDrawImage(ctx, ::darwinFlipCGRect(viewRect, viewRect.size.height), subImage);
/* Release the subimage: */
CGImageRelease(subImage);
}
#ifdef COMP_WITH_SHADOW
CGContextEndTransparencyLayer(ctx);
#endif /* COMP_WITH_SHADOW */
#ifdef OVERLAY_CLIPRECTS
if (pRgnRcts && pRgnRcts->used > 0)
{
CGContextBeginPath(ctx);
CGContextAddRects(ctx, pRgnRcts->rcts, pRgnRcts->used);
CGContextSetRGBStrokeColor(ctx, 1.0, 0.0, 0.0, 0.7);
CGContextDrawPath(ctx, kCGPathStroke);
}
CGContextSetRGBStrokeColor(ctx, 0.0, 1.0, 0.0, 0.7);
CGContextStrokeRect(ctx, viewRect);
#endif /* OVERLAY_CLIPRECTS */
}
void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
Q_D(QRasterWindowSurface);
// Not ready for painting yet, bail out. This can happen in
// QWidget::create_sys()
if (!d->image)
return;
#ifdef Q_WS_WIN
QRect br = rgn.boundingRect();
#ifndef Q_OS_WINCE
if (!qt_widget_private(window())->isOpaque && d->canUseLayeredWindow) {
QRect r = window()->frameGeometry();
QPoint frameOffset = qt_widget_private(window())->frameStrut().topLeft();
QRect dirtyRect = br.translated(offset + frameOffset);
SIZE size = {r.width(), r.height()};
POINT ptDst = {r.x(), r.y()};
POINT ptSrc = {0, 0};
Q_BLENDFUNCTION blend = {AC_SRC_OVER, 0, (int)(255.0 * window()->windowOpacity()), Q_AC_SRC_ALPHA};
RECT dirty = {dirtyRect.x(), dirtyRect.y(),
dirtyRect.x() + dirtyRect.width(), dirtyRect.y() + dirtyRect.height()};
Q_UPDATELAYEREDWINDOWINFO info = {sizeof(info), NULL, &ptDst, &size, d->image->hdc, &ptSrc, 0, &blend, Q_ULW_ALPHA, &dirty};
(*ptrUpdateLayeredWindowIndirect)(window()->internalWinId(), &info);
} else
#endif
{
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
HDC widget_dc = widget->getDC();
QRect wbr = br.translated(-wOffset);
BitBlt(widget_dc, wbr.x(), wbr.y(), wbr.width(), wbr.height(),
d->image->hdc, br.x() + offset.x(), br.y() + offset.y(), SRCCOPY);
widget->releaseDC(widget_dc);
}
#ifndef QT_NO_DEBUG
static bool flush = !qgetenv("QT_FLUSH_WINDOWSURFACE").isEmpty();
if (flush) {
SelectObject(qt_win_display_dc(), GetStockObject(BLACK_BRUSH));
Rectangle(qt_win_display_dc(), 0, 0, d->image->width() + 2, d->image->height() + 2);
BitBlt(qt_win_display_dc(), 1, 1, d->image->width(), d->image->height(),
d->image->hdc, 0, 0, SRCCOPY);
}
#endif
#endif
#ifdef Q_WS_X11
extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
extern QWidgetData* qt_widget_data(QWidget *);
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
if (widget->window() != window()) {
XFreeGC(X11->display, d_ptr->gc);
d_ptr->gc = XCreateGC(X11->display, widget->handle(), 0, 0);
}
QRegion wrgn(rgn);
if (!wOffset.isNull())
wrgn.translate(-wOffset);
QRect wbr = wrgn.boundingRect();
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
XSetClipRectangles(X11->display, d_ptr->gc, 0, 0, rects, num, YXBanded);
QRect br = rgn.boundingRect().translated(offset);
#ifndef QT_NO_MITSHM
if (d_ptr->image->xshmpm) {
XCopyArea(X11->display, d_ptr->image->xshmpm, widget->handle(), d_ptr->gc,
br.x(), br.y(), br.width(), br.height(), wbr.x(), wbr.y());
XSync(X11->display, False);
} else
#endif
{
const QImage &src = d->image->image;
br = br.intersected(src.rect());
if (src.format() != QImage::Format_RGB32) {
QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType);
data->xinfo = widget->x11Info();
data->fromImage(src, Qt::AutoColor);
QPixmap pm = QPixmap(data);
XCopyArea(X11->display, pm.handle(), widget->handle(), d_ptr->gc, br.x() , br.y() , br.width(), br.height(), wbr.x(), wbr.y());
} else {
// qpaintengine_x11.cpp
extern void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image, Drawable hd, GC gc, Display *dpy, Visual *visual, int depth);
qt_x11_drawImage(br, wbr.topLeft(), src, widget->handle(), d_ptr->gc, X11->display, (Visual *)widget->x11Info().visual(), widget->x11Info().depth());
}
}
#endif // FALCON
#ifdef Q_WS_MAC
// qDebug() << "Flushing" << widget << rgn << offset;
// d->image->image.save("flush.png");
// Get a context for the widget.
#ifndef QT_MAC_USE_COCOA
CGContextRef context;
CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
QDBeginCGContext(port, &context);
#else
extern CGContextRef qt_mac_graphicsContextFor(QWidget *);
CGContextRef context = qt_mac_graphicsContextFor(widget);
#endif
CGContextSaveGState(context);
// Flip context.
CGContextTranslateCTM(context, 0, widget->height());
CGContextScaleCTM(context, 1, -1);
// Clip to region.
const QVector<QRect> &rects = rgn.rects();
for (int i = 0; i < rects.size(); ++i) {
const QRect &rect = rects.at(i);
CGContextAddRect(context, CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()));
}
CGContextClip(context);
QRect r = rgn.boundingRect();
const CGRect area = CGRectMake(r.x(), r.y(), r.width(), r.height());
CGImageRef image = CGBitmapContextCreateImage(d->image->cg);
CGImageRef subImage = CGImageCreateWithImageInRect(image, area);
qt_mac_drawCGImage(context, &area, subImage);
CGImageRelease(subImage);
CGImageRelease(image);
// CGSize size = { d->image->image.width(), d->image->image.height() };
// CGLayerRef layer = CGLayerCreateWithContext(d->image->cg, size, 0);
// CGPoint pt = { 0, 0 };
// CGContextDrawLayerAtPoint(context, pt, layer);
// CGLayerRelease(layer);
// Restore context.
CGContextRestoreGState(context);
#ifndef QT_MAC_USE_COCOA
QDEndCGContext(port, &context);
#else
CGContextFlush(context);
#endif
#endif
}
CGImageRef CGImageCreateWithImageInRect_wrap(CGImageRef im, float x, float y, float w, float h) {
return CGImageCreateWithImageInRect( im, CGRectMake(x, y, w, h));
}
static void translate(SubimageCacheWithTimer::SubimageCacheEntry& entry, const SubimageRequest& request, unsigned /*hashCode*/)
{
entry.image = request.image;
entry.rect = request.rect;
entry.subimage = adoptCF(CGImageCreateWithImageInRect(request.image, request.rect));
}
void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const AffineTransform& patternTransform,
const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator op, const FloatRect& destRect, BlendMode blendMode)
{
if (!nativeImageForCurrentFrame())
return;
if (!patternTransform.isInvertible())
return;
CGContextRef context = ctxt->platformContext();
GraphicsContextStateSaver stateSaver(*ctxt);
CGContextClipToRect(context, destRect);
ctxt->setCompositeOperation(op, blendMode);
CGContextTranslateCTM(context, destRect.x(), destRect.y() + destRect.height());
CGContextScaleCTM(context, 1, -1);
// Compute the scaled tile size.
float scaledTileHeight = tileRect.height() * narrowPrecisionToFloat(patternTransform.d());
// We have to adjust the phase to deal with the fact we're in Cartesian space now (with the bottom left corner of destRect being
// the origin).
float adjustedX = phase.x() - destRect.x() + tileRect.x() * narrowPrecisionToFloat(patternTransform.a()); // We translated the context so that destRect.x() is the origin, so subtract it out.
float adjustedY = destRect.height() - (phase.y() - destRect.y() + tileRect.y() * narrowPrecisionToFloat(patternTransform.d()) + scaledTileHeight);
CGImageRef tileImage = nativeImageForCurrentFrame();
float h = CGImageGetHeight(tileImage);
RetainPtr<CGImageRef> subImage;
if (tileRect.size() == size())
subImage = tileImage;
else {
// Copying a sub-image out of a partially-decoded image stops the decoding of the original image. It should never happen
// because sub-images are only used for border-image, which only renders when the image is fully decoded.
ASSERT(h == height());
subImage = adoptCF(CGImageCreateWithImageInRect(tileImage, tileRect));
}
// Adjust the color space.
subImage = Image::imageWithColorSpace(subImage.get(), styleColorSpace);
// Leopard has an optimized call for the tiling of image patterns, but we can only use it if the image has been decoded enough that
// its buffer is the same size as the overall image. Because a partially decoded CGImageRef with a smaller width or height than the
// overall image buffer needs to tile with "gaps", we can't use the optimized tiling call in that case.
// FIXME: We cannot use CGContextDrawTiledImage with scaled tiles on Leopard, because it suffers from rounding errors. Snow Leopard is ok.
float scaledTileWidth = tileRect.width() * narrowPrecisionToFloat(patternTransform.a());
float w = CGImageGetWidth(tileImage);
if (w == size().width() && h == size().height() && !spaceSize().width() && !spaceSize().height())
CGContextDrawTiledImage(context, FloatRect(adjustedX, adjustedY, scaledTileWidth, scaledTileHeight), subImage.get());
else {
// On Leopard and newer, this code now only runs for partially decoded images whose buffers do not yet match the overall size of the image.
static const CGPatternCallbacks patternCallbacks = { 0, drawPatternCallback, patternReleaseCallback };
CGAffineTransform matrix = CGAffineTransformMake(narrowPrecisionToCGFloat(patternTransform.a()), 0, 0, narrowPrecisionToCGFloat(patternTransform.d()), adjustedX, adjustedY);
matrix = CGAffineTransformConcat(matrix, CGContextGetCTM(context));
// The top of a partially-decoded image is drawn at the bottom of the tile. Map it to the top.
matrix = CGAffineTransformTranslate(matrix, 0, size().height() - h);
#if PLATFORM(IOS)
matrix = CGAffineTransformScale(matrix, 1, -1);
matrix = CGAffineTransformTranslate(matrix, 0, -h);
#endif
CGImageRef platformImage = CGImageRetain(subImage.get());
RetainPtr<CGPatternRef> pattern = adoptCF(CGPatternCreate(platformImage, CGRectMake(0, 0, tileRect.width(), tileRect.height()), matrix,
tileRect.width() + spaceSize().width() * (1 / narrowPrecisionToFloat(patternTransform.a())),
tileRect.height() + spaceSize().height() * (1 / narrowPrecisionToFloat(patternTransform.d())),
kCGPatternTilingConstantSpacing, true, &patternCallbacks));
if (!pattern)
return;
RetainPtr<CGColorSpaceRef> patternSpace = adoptCF(CGColorSpaceCreatePattern(0));
CGFloat alpha = 1;
RetainPtr<CGColorRef> color = adoptCF(CGColorCreateWithPattern(patternSpace.get(), pattern.get(), &alpha));
CGContextSetFillColorSpace(context, patternSpace.get());
// FIXME: Really want a public API for this. It is just CGContextSetBaseCTM(context, CGAffineTransformIdentiy).
wkSetBaseCTM(context, CGAffineTransformIdentity);
CGContextSetPatternPhase(context, CGSizeZero);
CGContextSetFillColorWithColor(context, color.get());
CGContextFillRect(context, CGContextGetClipBoundingBox(context));
}
stateSaver.restore();
if (imageObserver())
imageObserver()->didDraw(this);
}
