public GetAbsoluteChildBoxBackwardIter ( ) : IEnumerable |
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Résultat | IEnumerable |
public static bool HitTest(CssBox box, float x, float y, CssBoxHitChain hitChain) { //-------------------------------------- float boxHitLocalX = x - box.LocalX; float boxHitLocalY = y - box.LocalY; bool isPointInArea = box.IsPointInArea(x, y); //---------------------------------------------------------------------- if (isPointInArea) { hitChain.AddHit(box, (int)boxHitLocalX, (int)boxHitLocalY); } //check absolute layer first *** if (box.HasAbsoluteLayer) { hitChain.PushContextBox(box); foreach (var absBox in box.GetAbsoluteChildBoxBackwardIter()) { if (HitTest(absBox, boxHitLocalX, boxHitLocalY, hitChain)) { //found hit hitChain.PopContextBox(box); return true; } } hitChain.PopContextBox(box); } //---------------------------------------------------------------------- if (!isPointInArea) { switch (box.CssDisplay) { case Css.CssDisplay.TableRow: { foreach (var childBox in box.GetChildBoxIter()) { if (HitTest(childBox, x, y, hitChain)) { return true; } } } break; } //exit return false; } //---------------------------------------------------------------------- //at here point is in the area*** hitChain.PushContextBox(box); if (box.IsCustomCssBox) { //custom css box //return true= stop here if (box.CustomContentHitTest(x, y, hitChain)) { hitChain.PopContextBox(box); return true; } } if (box.LineBoxCount > 0) { bool foundSomeLine = false; foreach (var lineBox in box.GetLineBoxIter()) { //line box not overlap if (lineBox.HitTest(boxHitLocalX, boxHitLocalY)) { foundSomeLine = true; float lineBoxLocalY = boxHitLocalY - lineBox.CachedLineTop; //2. hitChain.AddHit(lineBox, (int)boxHitLocalX, (int)lineBoxLocalY); var foundRun = BoxHitUtils.GetCssRunOnLocation(lineBox, (int)boxHitLocalX, (int)lineBoxLocalY); if (foundRun != null) { //3. hitChain.AddHit(foundRun, (int)(boxHitLocalX - foundRun.Left), (int)lineBoxLocalY); //4. go deeper for block run if (foundRun.Kind == CssRunKind.BlockRun) { var blockRun = (CssBlockRun)foundRun; CssLineBox hostLine = blockRun.HostLine; //adjust with hostline HitTest(((CssBlockRun)foundRun).ContentBox, (int)(boxHitLocalX - foundRun.Left), boxHitLocalY - hostLine.CachedLineTop, hitChain); } } //found line box hitChain.PopContextBox(box); return true; } else if (foundSomeLine) { return false; } } } else { //iterate in child foreach (var childBox in box.GetChildBoxIter()) { if (HitTest(childBox, boxHitLocalX, boxHitLocalY, hitChain)) { //recursive hitChain.PopContextBox(box); return true; } } } hitChain.PopContextBox(box); return true; }
public static bool HitTest(CssBox box, float x, float y, CssBoxHitChain hitChain) { //-------------------------------------- float boxHitLocalX = x - box.LocalX; float boxHitLocalY = y - box.LocalY; bool isPointInArea = box.IsPointInArea(x, y); //---------------------------------------------------------------------- if (isPointInArea) { hitChain.AddHit(box, (int)boxHitLocalX, (int)boxHitLocalY); } //check absolute layer first *** if (box.HasAbsoluteLayer) { hitChain.PushContextBox(box); foreach (var absBox in box.GetAbsoluteChildBoxBackwardIter()) { if (HitTest(absBox, boxHitLocalX, boxHitLocalY, hitChain)) { //found hit hitChain.PopContextBox(box); return(true); } } hitChain.PopContextBox(box); } //---------------------------------------------------------------------- if (!isPointInArea) { switch (box.CssDisplay) { case Css.CssDisplay.TableRow: { foreach (var childBox in box.GetChildBoxIter()) { if (HitTest(childBox, x, y, hitChain)) { return(true); } } } break; } //exit return(false); } //---------------------------------------------------------------------- //at here point is in the area*** hitChain.PushContextBox(box); if (box.IsCustomCssBox) { //custom css box //return true= stop here if (box.CustomContentHitTest(x, y, hitChain)) { hitChain.PopContextBox(box); return(true); } } if (box.LineBoxCount > 0) { bool foundSomeLine = false; foreach (var lineBox in box.GetLineBoxIter()) { //line box not overlap if (lineBox.HitTest(boxHitLocalX, boxHitLocalY)) { foundSomeLine = true; float lineBoxLocalY = boxHitLocalY - lineBox.CachedLineTop; //2. hitChain.AddHit(lineBox, (int)boxHitLocalX, (int)lineBoxLocalY); var foundRun = BoxHitUtils.GetCssRunOnLocation(lineBox, (int)boxHitLocalX, (int)lineBoxLocalY); if (foundRun != null) { //3. hitChain.AddHit(foundRun, (int)(boxHitLocalX - foundRun.Left), (int)lineBoxLocalY); //4. go deeper for block run if (foundRun.Kind == CssRunKind.BlockRun) { var blockRun = (CssBlockRun)foundRun; CssLineBox hostLine = blockRun.HostLine; //adjust with hostline HitTest(((CssBlockRun)foundRun).ContentBox, (int)(boxHitLocalX - foundRun.Left), boxHitLocalY - hostLine.CachedLineTop, hitChain); } } //found line box hitChain.PopContextBox(box); return(true); } else if (foundSomeLine) { return(false); } } } else { //iterate in child foreach (var childBox in box.GetChildBoxIter()) { if (HitTest(childBox, boxHitLocalX, boxHitLocalY, hitChain)) { //recursive hitChain.PopContextBox(box); return(true); } } } hitChain.PopContextBox(box); return(true); }
public static bool HitTest(CssBox box, float x, float y, CssBoxHitChain hitChain) { #if DEBUG //if (box.ViewportY != 0 && hitChain.debugEventPhase == CssBoxHitChain.dbugEventPhase.MouseDown) //{ //} #endif //-------------------------------------- bool isPointInArea = box.IsPointInArea(x, y); float boxHitLocalX = x - box.LocalX; //** float boxHitLocalY = y - box.LocalY; //** //---------------------------------------------------------------------- if (isPointInArea) { hitChain.AddHit(box, (int)boxHitLocalX, (int)boxHitLocalY); } //---------------------------------------------------------------------- //enter children space -> offset with its viewport boxHitLocalX += box.ViewportX; boxHitLocalY += box.ViewportY; //check absolute layer first *** if (box.HasAbsoluteLayer) { hitChain.PushContextBox(box); foreach (CssBox absBox in box.GetAbsoluteChildBoxBackwardIter()) { if (HitTest(absBox, boxHitLocalX, boxHitLocalY, hitChain)) { //found hit hitChain.PopContextBox(box); return(true); } } hitChain.PopContextBox(box); } //---------------------------------------------------------------------- if (!isPointInArea) { switch (box.CssDisplay) { case Css.CssDisplay.TableRow: { foreach (CssBox childBox in box.GetChildBoxIter()) { if (HitTest(childBox, boxHitLocalX, boxHitLocalY, hitChain)) { return(true); } } } break; } //exit return(false); } //---------------------------------------------------------------------- //at here point is in the area*** hitChain.PushContextBox(box); if (box.IsCustomCssBox) { //custom css box //return true= stop here if (box.CustomContentHitTest(boxHitLocalX, boxHitLocalY, hitChain)) { hitChain.PopContextBox(box); return(true); } } if (box.LineBoxCount > 0) { bool foundSomeLine = false; foreach (CssLineBox lineBox in box.GetLineBoxIter()) { //line box not overlap if (lineBox.HitTest(boxHitLocalX, boxHitLocalY)) { foundSomeLine = true; float lineBoxLocalY = boxHitLocalY - lineBox.CachedLineTop; //2. hitChain.AddHit(lineBox, (int)boxHitLocalX, (int)lineBoxLocalY); CssRun foundRun = BoxHitUtils.GetCssRunOnLocation(lineBox, (int)boxHitLocalX, (int)lineBoxLocalY); //CssRun foundRun = BoxHitUtils.GetCssRunOnLocation(lineBox, (int)x, (int)y); if (foundRun != null) { //3. hitChain.AddHit(foundRun, (int)(boxHitLocalX - foundRun.Left), (int)lineBoxLocalY); //4. go deeper for block run if (foundRun.Kind == CssRunKind.BlockRun) { CssBlockRun blockRun = (CssBlockRun)foundRun; CssLineBox hostLine = blockRun.HostLine; //adjust with hostline HitTest(blockRun.ContentBox, (int)(boxHitLocalX + blockRun.ContentBox.LocalX - foundRun.Left), (int)(boxHitLocalY - hostLine.CachedLineTop), hitChain); } } //found line box hitChain.PopContextBox(box); return(true); } else if (foundSomeLine) { return(false); } } } else { //iterate in child //foreach (var childBox in box.GetChildBoxIter()) foreach (CssBox childBox in box.GetChildBoxBackwardIter()) { if (HitTest(childBox, boxHitLocalX, boxHitLocalY, hitChain)) { //recursive hitChain.PopContextBox(box); return(true); } } } hitChain.PopContextBox(box); return(true); }