本文整理汇总了C++中TRegion类的典型用法代码示例。如果您正苦于以下问题：C++ TRegion类的具体用法？C++ TRegion怎么用？C++ TRegion使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了TRegion类的19个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: checkSegments
//! Elimina i segmenti che non sono contenuti all'interno dello stroke!!!
void checkSegments(std::vector<TAutocloser::Segment> &segments,
TStroke *stroke, const TRasterCM32P &ras,
const TPoint &delta) {
TVectorImage vi;
TStroke *app = new TStroke();
*app = *stroke;
app->transform(TTranslation(convert(ras->getCenter())));
vi.addStroke(app);
vi.findRegions();
std::vector<TAutocloser::Segment>::iterator it = segments.begin();
for (; it < segments.end(); it++) {
if (it == segments.end()) break;
int i;
bool isContained = false;
for (i = 0; i < (int)vi.getRegionCount(); i++) {
TRegion *reg = vi.getRegion(i);
if (reg->contains(convert(it->first + delta)) &&
reg->contains(convert(it->second + delta))) {
isContained = true;
break;
}
}
if (!isContained) {
it = segments.erase(it);
if (it != segments.end() && it != segments.begin())
it--;
else if (it == segments.end())
break;
}
}
}
开发者ID:Makoto-Sasahara，项目名称:opentoonz，代码行数:33，代码来源:rastertapetool.cpp
示例2: getRasterPoint
/*-- (StylePickerTool内で)LineとAreaを切り替えてPickできる。mode: 0=Area, 1=Line, 2=Line&Areas(default) --*/
int StylePicker::pickStyleId(const TPointD &pos, double radius2, int mode) const
{
int styleId = 0;
if (TToonzImageP ti = m_image) {
TRasterCM32P ras = ti->getRaster();
TPoint point = getRasterPoint(pos);
if (!ras->getBounds().contains(point))
return -1;
TPixelCM32 col = ras->pixels(point.y)[point.x];
switch (mode) {
case 0: //AREAS
styleId = col.getPaint();
break;
case 1: //LINES
styleId = col.getInk();
break;
case 2: //ALL (Line & Area)
default:
styleId = col.isPurePaint() ? col.getPaint() : col.getInk();
break;
}
} else if (TRasterImageP ri = m_image) {
const TPalette *palette = m_palette.getPointer();
if (!palette)
return -1;
TRaster32P ras = ri->getRaster();
if (!ras)
return -1;
TPoint point = getRasterPoint(pos);
if (!ras->getBounds().contains(point))
return -1;
TPixel32 col = ras->pixels(point.y)[point.x];
styleId = palette->getClosestStyle(col);
} else if (TVectorImageP vi = m_image) {
// prima cerca lo stile della regione piu' vicina
TRegion *r = vi->getRegion(pos);
if (r)
styleId = r->getStyle();
// poi cerca quello della stroke, ma se prima aveva trovato una regione, richiede che
// il click sia proprio sopra la stroke, altrimenti cerca la stroke piu' vicina (max circa 10 pixel)
const double maxDist2 = (styleId == 0) ? 100.0 * radius2 : 0;
bool strokeFound;
double dist2, w, thick;
UINT index;
//!funzionerebbe ancora meglio con un getNearestStroke che considera
//la thickness, cioe' la min distance dalla outline e non dalla centerLine
strokeFound = vi->getNearestStroke(pos, w, index, dist2);
if (strokeFound) {
TStroke *stroke = vi->getStroke(index);
thick = stroke->getThickPoint(w).thick;
if (dist2 - thick * thick < maxDist2) {
assert(stroke);
styleId = stroke->getStyle();
}
}
}
return styleId;
}
开发者ID:ArseniyShestakov，项目名称:opentoonz，代码行数:60，代码来源:stylepicker.cpp
示例3: Update
void RWindows::Update(const TRegion& aRgn,const TSize& aSize)
{
if(aRgn.CheckError())
UpdateRect(TRect(aSize),aSize);
else
for(TInt count=0;count<aRgn.Count();count++)
UpdateRect(aRgn[count],aSize);
}
开发者ID:cdaffara，项目名称:symbiandump-os1，代码行数:8，代码来源:WINS.CPP
示例4: IsClipped
CHuiCanvasGc::TClipRectVisibility CHuiCanvasGc::IsClipped(const TRect& aRect, const TRegion& aClippingRegion) const
{
TClipRectVisibility isClipped = EFullyOutside;
if (!aClippingRegion.Count())
{
return EFullyInside;
}
if (!aRect.IsEmpty() && aClippingRegion.Count())
{
#if 0
TBool test = EFalse;
if (test)
{
for (TInt i=0; i<aClippingRegion.Count(); i++)
{
#ifdef _DEBUG
RDebug::Print(_L("aClippingRegion Rect: %d %d %d %d"),
aClippingRegion[i].iTl.iX,
aClippingRegion[i].iTl.iY,
aClippingRegion[i].iBr.iX,
aClippingRegion[i].iBr.iY);
#endif
}
}
#endif
if (aClippingRegion.Intersects(aRect))
{
iTempRegion.Clear();
iTempRegion2.Clear();
iTempRegion.AddRect(aRect);
iTempRegion2.Intersection(aClippingRegion, iTempRegion);
iTempRegion2.Tidy();
// Assume it is only partially inside region -> Clipped
isClipped = EPartialOverlap;
if (iTempRegion2.Count() == 1)
{
if (iTempRegion2[0] == aRect)
{
// Fully inside region -> Not clipped
isClipped = EFullyInside;
}
}
}
else
{
// No overlap -> aRect is completely outside region -> Clipped
isClipped = EFullyOutside;
}
}
return isClipped;
}
开发者ID:cdaffara，项目名称:symbiandump-mw4，代码行数:58，代码来源:huicanvasgc.cpp
示例5: CheckRectRegion
void TestRRegion::CheckRectRegion(const TRegion& region,const TRect& rect)
// Check the region matches the rectangle
{
const TRect* rlist;
if (rect.IsEmpty())
test(region.Count()==0);
else
{
test(region.Count()==1);
rlist=region.RectangleList();
test(rlist[0]==rect);
test(region[0]==rect);
}
}
开发者ID:kuailexs，项目名称:symbiandump-os1，代码行数:15，代码来源:t_regn.cpp
示例6: LogRegion
void CDataWrapperBase::LogRegion(const TDesC& aMessage, const TRegion& aRegion)
{
INFO_PRINTF2(KLogRegion, &aMessage);
TInt indCount = aRegion.Count();
if ( indCount==0 )
{
INFO_PRINTF1(KLogEmpty);
}
else
{
const TRect* rect=aRegion.RectangleList();
for ( TInt index=0; index<indCount; ++index )
{
INFO_PRINTF6(KLogRegionsRect, index, rect[index].iTl.iX, rect[index].iTl.iY, rect[index].iBr.iX, rect[index].iBr.iY);
}
}
}
开发者ID:fedor4ever，项目名称:default，代码行数:17，代码来源:DataWrapperBase.cpp
示例7: dsaRect
void CMMFTestVideoDecodeHwDevice::SetScreenClipRegion(const TRegion& aRegion)
{
TRect dsaRect(KTestDSARectA, KTestDSARectB, KTestDSARectC, KTestDSARectD);
TRegionFix<1> dsaReg(dsaRect);
__ASSERT_ALWAYS(dsaReg.BoundingRect() == aRegion.BoundingRect(),
DevVideoDecoderPanic(EDecoderPanicScreenClipRegion));
}
开发者ID:kuailexs，项目名称:symbiandump-os1，代码行数:8，代码来源:decoder.cpp
示例8: GetRegionFromConfig
TBool CDataWrapperBase::GetRegionFromConfig(const TDesC& aSectName, const TDesC& aKeyName, TRegion& aResult)
{
TBuf<KMaxTestExecuteCommandLength> tempStore;
TRect rect;
aResult.Clear();
TBool moreData=ETrue;
for ( TInt index=0; moreData; )
{
tempStore.Format(KFormatFieldNumber, &aKeyName, ++index);
moreData=GetRectFromConfig(aSectName, tempStore, rect);
if ( moreData )
{
aResult.AddRect(rect);
}
}
return aResult.Count()>0;
}
开发者ID:fedor4ever，项目名称:default，代码行数:19，代码来源:DataWrapperBase.cpp
示例9: CalcRedrawRegion
void CWsSpriteBase::CalcRedrawRegion(const TRegion& aSourceRegion, TRegion& aTarget) const
{
aTarget.Copy(aSourceRegion);
if (ClipSprite())
{
TPoint origin(0,0);
if(iWin)
origin = iWin->Origin();
TRect rect(iBasePos + origin + iClipOffset, iClipSize);
aTarget.ClipRect(rect);
}
aTarget.ClipRect(RootWindow()->Abs());
// Only need to draw if the region being redrawn overlaps the sprite
const TRect spriteRect(Pos(), iSize);
STACK_REGION spriteRegion;
spriteRegion.AddRect(spriteRect);
aTarget.Intersect(spriteRegion);
spriteRegion.Close();
}
开发者ID:kuailexs，项目名称:symbiandump-os1，代码行数:20，代码来源:SPRITE.CPP
示例10: MarkDirtyAndSchedule
/**
This function updates the window's dirty region and schedules a redraw if needed.
Only used when the screen is run in CHANGETRACKING mode.
@param aRegion in window coordinates
*/
void CWsBackedUpWindow::MarkDirtyAndSchedule(const TRegion& aRegion)
{
WS_ASSERT_DEBUG(Screen()->ChangeTracking(),EWsPanicNoChangetracking);
if(!aRegion.IsEmpty())
{
iWsWin->AddDirtyWindowRegion(aRegion);
if (iWsWin->IsActive() && iWsWin->IsVisible())
{
Screen()->ScheduleWindow(iWsWin);
}
}
}
开发者ID:kuailexs，项目名称:symbiandump-os1，代码行数:18，代码来源:backedupwindow.cpp
示例11: CalcFloatingSpriteRgn
void CWsSpriteManager::CalcFloatingSpriteRgn( TRegion& aResultRgn, const TRect& aDefaultRect )
{
aResultRgn.Clear();
for (TInt i=0 ; i<iFloatingSprites.Count() && !aResultRgn.CheckError(); i++)
{
CWsSpriteBase* sprite = iFloatingSprites[i];
if ( sprite->CanBeSeen() && ( sprite->IsActive() || sprite->IsActivated() ) )
{
aResultRgn.AddRect( sprite->Rect() );
}
}
aResultRgn.Tidy();
if ( aResultRgn.CheckError() && iFloatingSprites.Count() > 0 )
{
aResultRgn.Clear();
aResultRgn.AddRect( aDefaultRect );
}
}
开发者ID:kuailexs，项目名称:symbiandump-os1，代码行数:18，代码来源:SPRITE.CPP
示例12: doDraw
void RWsTextCursor::doDraw(CFbsBitGc* aGc, const TRegion& aRegion)
{
TRegionFix<1> justInCase;
const TRegion *pr= &aRegion;
if (aRegion.CheckError())
{
justInCase.AddRect(iWin->AbsRect());
pr= &justInCase;
}
if (!pr->IsEmpty())
{
aGc->SetUserDisplayMode(iWin->DisplayMode());
aGc->SetDitherOrigin(iWin->Origin());
aGc->SetDrawMode(CGraphicsContext::EDrawModeXOR);
switch (iType)
{
case TTextCursor::ETypeRectangle:
{
aGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
aGc->SetPenStyle(CGraphicsContext::ENullPen);
aGc->SetBrushColor(iColor);
}
break;
case TTextCursor::ETypeHollowRectangle:
{
aGc->SetBrushStyle(CGraphicsContext::ENullBrush);
aGc->SetPenStyle(CGraphicsContext::ESolidPen);
aGc->SetPenColor(iColor);
}
break;
default:
WS_PANIC_ALWAYS(EWsPanicInvalidCursorType);
}
aGc->SetClippingRegion(pr);
aGc->DrawRect(RectRelativeToScreen());
aGc->SetUserDisplayMode(ENone);
TWindowServerEvent::NotifyScreenDrawingEvent(pr);
}
}
开发者ID:kuailexs，项目名称:symbiandump-os1，代码行数:40，代码来源:TCURSOR.CPP
示例13: stroke_autofill_learn
void stroke_autofill_learn(const TVectorImageP &imgToLearn, TStroke *stroke) {
if (!imgToLearn || !stroke || stroke->getControlPointCount() == 0) return;
TVectorImage appImg;
TStroke *appStroke = new TStroke(*stroke);
appImg.addStroke(appStroke);
appImg.findRegions();
double pbx, pby;
double totalArea = 0;
pbx = pby = 0;
if (!regionsReference.isEmpty()) regionsReference.clear();
int i, j, index = 0;
for (i = 0; i < (int)imgToLearn->getRegionCount(); i++) {
TRegion *currentRegion = imgToLearn->getRegion(i);
for (j = 0; j < (int)appImg.getRegionCount(); j++) {
TRegion *region = appImg.getRegion(j);
if (contains(region, currentRegion)) {
scanRegion(currentRegion, index, regionsReference, region->getBBox());
index++;
int k, subRegionCount = currentRegion->getSubregionCount();
for (k = 0; k < subRegionCount; k++) {
TRegion *subRegion = currentRegion->getSubregion(k);
if (contains(region, subRegion))
scanSubRegion(subRegion, index, regionsReference,
region->getBBox());
}
}
}
}
QMap<int, Region>::Iterator it;
for (it = regionsReference.begin(); it != regionsReference.end(); it++) {
pbx += it.value().m_barycentre.x;
pby += it.value().m_barycentre.y;
totalArea += it.value().m_area;
}
if (totalArea > 0)
referenceB = TPointD(pbx / totalArea, pby / totalArea);
else
referenceB = TPointD(0.0, 0.0);
}
开发者ID:walkerka，项目名称:opentoonz，代码行数:45，代码来源:autofillpli.cpp
示例14: rect_autofill_learn
void rect_autofill_learn(const TVectorImageP &imgToLearn, const TRectD &rect)
{
if (rect.getLx() * rect.getLy() < MIN_SIZE) return;
double pbx, pby;
double totalArea = 0;
pbx = pby = 0;
if (!regionsReference.isEmpty()) regionsReference.clear();
int i, index = 0, regionCount = imgToLearn->getRegionCount();
for (i = 0; i < regionCount; i++) {
TRegion *region = imgToLearn->getRegion(i);
if (rect.contains(region->getBBox())) {
scanRegion(region, index, regionsReference, rect);
index++;
}
int j, subRegionCount = region->getSubregionCount();
for (j = 0; j < subRegionCount; j++) {
TRegion *subRegion = region->getSubregion(j);
if (rect.contains(subRegion->getBBox()))
scanSubRegion(subRegion, index, regionsReference, rect);
}
}
QMap<int, Region>::Iterator it;
for (it = regionsReference.begin(); it != regionsReference.end(); it++) {
pbx += it.value().m_barycentre.x;
pby += it.value().m_barycentre.y;
totalArea += it.value().m_area;
}
if (totalArea > 0)
referenceB = TPointD(pbx / totalArea, pby / totalArea);
else
referenceB = TPointD(0.0, 0.0);
}
开发者ID:walkerka，项目名称:opentoonz，代码行数:38，代码来源:autofillpli.cpp
示例15: raster
//!Converts a TVectorImage into a TRasterImage. The input vector image
//!is transformed through the passed affine \b aff, and put into a
//!TRasterImage strictly covering the bounding box of the transformed
//!vector image. The output image has its lower-left position in the
//!world reference specified by the \b pos parameter, which is granted to
//!be an integer displacement of the passed value. Additional parameters
//!include an integer \b enlarge by which the output image is enlarged with
//!respect to the transformed image's bbox, and the bool \b transformThickness
//!to specify whether the transformation should involve strokes' thickensses
//!or not.
TRasterImageP TRasterImageUtils::vectorToFullColorImage(
const TVectorImageP &vimage, const TAffine &aff, TPalette *palette,
const TPointD &outputPos, const TDimension &outputSize,
const std::vector<TRasterFxRenderDataP> *fxs, bool transformThickness)
{
if (!vimage || !palette)
return 0;
//Transform the vector image through aff
TVectorImageP vi = vimage->clone();
vi->transform(aff, transformThickness);
//Allocate the output ToonzImage
TRaster32P raster(outputSize.lx, outputSize.ly);
raster->clear();
TRasterImageP ri(raster);
ri->setPalette(palette->clone());
//Shift outputPos to the origin
vi->transform(TTranslation(-outputPos));
int strokeCount = vi->getStrokeCount();
std::vector<int> strokeIndex(strokeCount);
std::vector<TStroke *> strokes(strokeCount);
int i;
for (i = 0; i < strokeCount; ++i) {
strokeIndex[i] = i;
strokes[i] = vi->getStroke(i);
}
vi->notifyChangedStrokes(strokeIndex, strokes);
int maxStyleId = palette->getStyleCount() - 1;
for (i = 0; i < (int)vi->getRegionCount(); ++i) {
TRegion *region = vi->getRegion(i);
fastAddPaintRegion(ri, region, tmin(maxStyleId, region->getStyle()), maxStyleId);
}
set<int> colors;
if (fxs) {
for (i = 0; i < (int)fxs->size(); i++) {
SandorFxRenderData *sandorData = dynamic_cast<SandorFxRenderData *>((*fxs)[i].getPointer());
if (sandorData && sandorData->m_type == BlendTz) {
std::string indexes = toString(sandorData->m_blendParams.m_colorIndex);
std::vector<std::string> items;
parseIndexes(indexes, items);
PaletteFilterFxRenderData paletteFilterData;
insertIndexes(items, &paletteFilterData);
colors = paletteFilterData.m_colors;
break;
}
}
}
for (i = 0; i < strokeCount; ++i) {
TStroke *stroke = vi->getStroke(i);
bool visible = false;
int styleId = stroke->getStyle();
TColorStyleP style = palette->getStyle(styleId);
assert(style);
int colorCount = style->getColorParamCount();
if (colorCount == 0)
visible = true;
else {
visible = false;
for (int j = 0; j < style->getColorParamCount() && !visible; j++) {
TPixel32 color = style->getColorParamValue(j);
if (color.m != 0)
visible = true;
}
}
if (visible)
fastAddInkStroke(ri, stroke, TRectD(), 1, true);
}
return ri;
}
开发者ID:CroW-CZ，项目名称:opentoonz，代码行数:86，代码来源:trasterimageutils.cpp
示例16: rect_autofill_apply
bool rect_autofill_apply(const TVectorImageP &imgToApply, const TRectD &rect,
bool selective) {
if (rect.getLx() * rect.getLy() < MIN_SIZE) return false;
if (regionsReference.size() <= 0) return false;
double pbx, pby;
double totalArea = 0;
pbx = pby = 0.0;
if (!regionsWork.isEmpty()) regionsWork.clear();
int i, index = 0, regionCount = imgToApply->getRegionCount();
for (i = 0; i < regionCount; i++) {
TRegion *region = imgToApply->getRegion(i);
TRectD bbox = region->getBBox();
if (rect.contains(bbox)) {
scanRegion(region, index, regionsWork, rect);
index++;
}
int j, subRegionCount = region->getSubregionCount();
for (j = 0; j < subRegionCount; j++) {
TRegion *subRegion = region->getSubregion(j);
if (rect.contains(subRegion->getBBox()))
scanSubRegion(subRegion, index, regionsWork, rect);
}
}
if (regionsWork.size() <= 0) return false;
QMap<int, Region>::Iterator it;
for (it = regionsWork.begin(); it != regionsWork.end(); it++) {
pbx += it.value().m_barycentre.x;
pby += it.value().m_barycentre.y;
totalArea += it.value().m_area;
}
workB = TPointD(pbx / totalArea, pby / totalArea);
std::vector<MatchingProbs> probVector;
RegionDataList::Iterator refIt, workIt;
for (refIt = regionsReference.begin(); refIt != regionsReference.end();
refIt++)
for (workIt = regionsWork.begin(); workIt != regionsWork.end(); workIt++)
assignProbs(probVector, refIt.value(), workIt.value(), refIt.key(),
workIt.key());
bool filledRegions = false;
for (refIt = regionsReference.begin(); refIt != regionsReference.end();
refIt++) {
int to = 0, from = 0;
int valore = 0;
do
valore = match(probVector, from, to);
while ((regionsWork[to].m_match != -1 ||
regionsReference[from].m_match != -1) &&
valore > 0);
if (valore > AMB_TRESH) {
regionsWork[to].m_match = from;
regionsReference[from].m_match = to;
regionsWork[to].m_styleId = regionsReference[from].m_styleId;
TRegion *reg = regionsWork[to].m_region;
if (reg && (!selective || selective && reg->getStyle() == 0)) {
reg->setStyle(regionsWork[to].m_styleId);
filledRegions = true;
}
}
}
return filledRegions;
}
开发者ID:walkerka，项目名称:opentoonz，代码行数:71，代码来源:autofillpli.cpp
示例17: stroke_autofill_apply
bool stroke_autofill_apply(const TVectorImageP &imgToApply, TStroke *stroke,
bool selective) {
if (!imgToApply || !stroke || stroke->getControlPointCount() == 0)
return false;
TVectorImage appImg;
TStroke *appStroke = new TStroke(*stroke);
appImg.addStroke(appStroke);
appImg.findRegions();
if (regionsReference.size() <= 0) return false;
double pbx, pby;
double totalArea = 0;
pbx = pby = 0.0;
if (!regionsWork.isEmpty()) regionsWork.clear();
int i, j, index = 0;
for (i = 0; i < (int)imgToApply->getRegionCount(); i++) {
TRegion *currentRegion = imgToApply->getRegion(i);
for (j = 0; j < (int)appImg.getRegionCount(); j++) {
TRegion *region = appImg.getRegion(j);
if (contains(region, currentRegion)) {
scanRegion(currentRegion, index, regionsWork, region->getBBox());
index++;
int k, subRegionCount = currentRegion->getSubregionCount();
for (k = 0; k < subRegionCount; k++) {
TRegion *subRegion = currentRegion->getSubregion(k);
if (contains(region, subRegion))
scanSubRegion(subRegion, index, regionsWork, region->getBBox());
}
}
}
}
if (regionsWork.size() <= 0) return false;
QMap<int, Region>::Iterator it;
for (it = regionsWork.begin(); it != regionsWork.end(); it++) {
pbx += it.value().m_barycentre.x;
pby += it.value().m_barycentre.y;
totalArea += it.value().m_area;
}
workB = TPointD(pbx / totalArea, pby / totalArea);
std::vector<MatchingProbs> probVector;
RegionDataList::Iterator refIt, workIt;
for (refIt = regionsReference.begin(); refIt != regionsReference.end();
refIt++)
for (workIt = regionsWork.begin(); workIt != regionsWork.end(); workIt++)
assignProbs(probVector, refIt.value(), workIt.value(), refIt.key(),
workIt.key());
bool filledRegions = false;
for (refIt = regionsReference.begin(); refIt != regionsReference.end();
refIt++) {
int to = 0, from = 0;
int valore = 0;
do
valore = match(probVector, from, to);
while ((regionsWork[to].m_match != -1 ||
regionsReference[from].m_match != -1) &&
valore > 0);
if (valore > AMB_TRESH) {
regionsWork[to].m_match = from;
regionsReference[from].m_match = to;
regionsWork[to].m_styleId = regionsReference[from].m_styleId;
TRegion *reg = regionsWork[to].m_region;
if (reg && (!selective || selective && reg->getStyle() == 0)) {
reg->setStyle(regionsWork[to].m_styleId);
filledRegions = true;
}
}
}
return filledRegions;
}
开发者ID:walkerka，项目名称:opentoonz，代码行数:79，代码来源:autofillpli.cpp
示例18: CachedDraw
// TODO: effect area should be reduced if aClipRegion is smaller than aDisplayRect.
TBool CHuiFxEffect::CachedDraw(CHuiGc& aGc, const TRect& aDisplayRect, TBool aRefreshCachedRenderTarget, TBool aOpaque, const TRegion& aClipRegion, TBool aHasSurface, TInt aAlpha)
{
#ifdef HUIFX_TRACE
RDebug::Print(_L("CHuiFxEffect::CachedDraw - 0x%x"), this);
#endif
iFramesDrawn++;
if (!CHuiStatic::Renderer().Allows(EHuiRenderPluginAllowVisualPBufferSurfaces))
{
return EFalse;
}
CHuiFxRenderbuffer* target = NULL;
// Prepare all layers
TRect displayArea = aGc.DisplayArea();
TRect targetArea = aDisplayRect;
targetArea.Intersection(displayArea);
if (targetArea.Width() <= 0 || targetArea.Height() <= 0)
{
// Not visible
return ETrue;
}
if (!iEngine || !iRoot)
{
return EFalse;
}
if (iEngine->LowMemoryState())
{
// No memory, no effects.
return EFalse;
}
// Check if margins are allowed to be used for this effect
if (EffectFlags() & KHuiFxEffectDisableMarginsFlag)
{
iRoot->EnableMargin(EFalse);
}
// Check if surface pixels are to be used for this effect in all layers.
if (EffectFlags() & KHuiFxEnableBackgroundInAllLayers)
{
iRoot->SetAlwaysReadSurfacePixels(ETrue);
}
iRoot->SetTargetRect(targetArea);
iRoot->SetSourceRect(targetArea);
iRoot->SetDisplayArea(displayArea);
TRAPD(err, iRoot->PrepareDrawL(*iEngine));
if (err != KErrNone)
{
return EFalse;
}
if (IsCachedRenderTargetSupported() && IsCachedRenderTargetPreferred())
{
// Background needs to be captured from surface if effect uses background AND
// Visual is transparent or margin is enabled AND
// Background has not been disabled with a effect specific flag
TBool enableBackground = IsAppliedToBackground() && (!aOpaque || iRoot->IsMarginEnabled()) && !(EffectFlags() & KHuiFxDisableBackground);
if (EffectFlags() & KHuiFxEnableBackgroundInAllLayers)
{
enableBackground = ETrue;
}
TBool useFrozenBackground = (EffectFlags() & KHuiFxFrozenBackground);
// Check if cache is up-to date or does it need to be refreshed
TBool cachedRenderTargetNeedsRefresh = (iRoot->Changed() || aRefreshCachedRenderTarget || (enableBackground && !useFrozenBackground));
if (!iCachedRenderTarget || (iCachedRenderTarget && iCachedRenderTarget->Size() != iRoot->VisualRect().Size()))
{
cachedRenderTargetNeedsRefresh = ETrue;
}
// Try to apply also margins, we cannot just use aDisplayRect directly
TRect targetRect = iRoot->VisualRect();
// Size is always same as target rect. It contains margins if those are enabled.
TSize cachedRenderTargetSize = targetRect.Size();
// Prepare cached offscreen render target
PrepareCachedRenderTarget(targetRect.iTl, cachedRenderTargetSize, cachedRenderTargetNeedsRefresh, enableBackground);
// If it is available, then lets do it
if (iCachedRenderTarget)
{
// Disable clipping, otherwise strange things happen.
aGc.Disable(CHuiGc::EFeatureClipping);
if (cachedRenderTargetNeedsRefresh)
{
// Render to cached render target
iRoot->Draw(*iEngine, aGc, *iCachedRenderTarget, *iCachedRenderTarget, aHasSurface);
#ifdef HUIFX_TRACE
//.........这里部分代码省略.........
开发者ID:cdaffara，项目名称:symbiandump-mw4，代码行数:101，代码来源:HuiFxEffect.cpp
示例19: ClipRegion
EXPORT_C void CHuiCanvasGc::ClipRegion(const TRegion& aClipRegion)
{
if (!iGc)
{
return;
}
switch (iClipMode)
{
case EHuiCanvasClipModeNormal:
{
// If previous clipping region set, cancel it first.
if (iClippingRegion.Count())
{
CancelClipping();
}
// Set new region, ignore empty rects if any
for (TInt i=0; i < aClipRegion.Count(); i++)
{
if (!aClipRegion[i].IsEmpty())
{
iClippingRegion.AddRect(aClipRegion[i]);
}
}
iClippingRegion.Tidy();
if (iClippingRegion.Count() == 1)
{
// If only one rect, then do simple clipping...
iGc->Enable(CHuiGc::EFeatureClipping);
iGc->PushClip();
iGc->Clip(iClippingRegion[0]);
}
else if (iClippingRegion.Count() > 1)
{
// ...otherewise must do region clipping.
iGc->Enable(CHuiGc::EFeatureClipping);
iGc->PushClip();
if (MaxNumberOfClipRects() > 1)
{
iGc->Clip(iClippingRegion);
}
else
{
// region clipping is not available, try boundingrect
iGc->Clip(iClippingRegion.BoundingRect());
}
}
else
{
// No clip rects set, do nothing here.
}
break;
}
case EHuiCanvasClipModeDelayed:
{
// If previous clipping region set, cancel it first.
if (iClippingRegion.Count())
{
CancelClipping();
}
// Set new region, ignore empty rects if any
for (TInt i=0; i < aClipRegion.Count(); i++)
{
if (!aClipRegion[i].IsEmpty())
{
iClippingRegion.AddRect(aClipRegion[i]);
}
}
iClippingRegion.Tidy();
break;
}
case EHuiCanvasClipModeNone:
default:
{
// Do nothing
break;
}
}
}
开发者ID:cdaffara，项目名称:symbiandump-mw4，代码行数:84，代码来源:huicanvasgc.cpp
注：本文中的TRegion类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
客服电话
APP下载
官方微信
请发表评论