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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBBoxHierarchyRecord.h"
#include "SkPictureStateTree.h"
SkBBoxHierarchyRecord::SkBBoxHierarchyRecord(const SkISize& size,
uint32_t recordFlags,
SkBBoxHierarchy* h)
: INHERITED(size, recordFlags) {
fStateTree = SkNEW(SkPictureStateTree);
fBoundingHierarchy = h;
fBoundingHierarchy->ref();
fBoundingHierarchy->setClient(this);
}
void SkBBoxHierarchyRecord::handleBBox(const SkRect& bounds) {
SkIRect r;
bounds.roundOut(&r);
SkPictureStateTree::Draw* draw = fStateTree->appendDraw(this->writeStream().bytesWritten());
fBoundingHierarchy->insert(draw, r, true);
}
void SkBBoxHierarchyRecord::willSave(SaveFlags flags) {
fStateTree->appendSave();
this->INHERITED::willSave(flags);
}
SkCanvas::SaveLayerStrategy SkBBoxHierarchyRecord::willSaveLayer(const SkRect* bounds,
const SkPaint* paint,
SaveFlags flags) {
fStateTree->appendSaveLayer(this->writeStream().bytesWritten());
return this->INHERITED::willSaveLayer(bounds, paint, flags);
}
void SkBBoxHierarchyRecord::willRestore() {
fStateTree->appendRestore();
this->INHERITED::willRestore();
}
void SkBBoxHierarchyRecord::didConcat(const SkMatrix& matrix) {
fStateTree->appendTransform(getTotalMatrix());
INHERITED::didConcat(matrix);
}
void SkBBoxHierarchyRecord::didSetMatrix(const SkMatrix& matrix) {
fStateTree->appendTransform(getTotalMatrix());
INHERITED::didSetMatrix(matrix);
}
void SkBBoxHierarchyRecord::onClipRect(const SkRect& rect,
SkRegion::Op op,
ClipEdgeStyle edgeStyle) {
fStateTree->appendClip(this->writeStream().bytesWritten());
this->INHERITED::onClipRect(rect, op, edgeStyle);
}
void SkBBoxHierarchyRecord::onClipRegion(const SkRegion& region,
SkRegion::Op op) {
fStateTree->appendClip(this->writeStream().bytesWritten());
this->INHERITED::onClipRegion(region, op);
}
void SkBBoxHierarchyRecord::onClipPath(const SkPath& path,
SkRegion::Op op,
ClipEdgeStyle edgeStyle) {
fStateTree->appendClip(this->writeStream().bytesWritten());
this->INHERITED::onClipPath(path, op, edgeStyle);
}
void SkBBoxHierarchyRecord::onClipRRect(const SkRRect& rrect,
SkRegion::Op op,
ClipEdgeStyle edgeStyle) {
fStateTree->appendClip(this->writeStream().bytesWritten());
this->INHERITED::onClipRRect(rrect, op, edgeStyle);
}
bool SkBBoxHierarchyRecord::shouldRewind(void* data) {
// SkBBoxHierarchy::rewindInserts is called by SkPicture after the
// SkPicture has rewound its command stream. To match that rewind in the
// BBH, we rewind all draws that reference commands that were recorded
// past the point to which the SkPicture has rewound, which is given by
// writeStream().bytesWritten().
SkPictureStateTree::Draw* draw = static_cast<SkPictureStateTree::Draw*>(data);
return draw->fOffset >= writeStream().bytesWritten();
}
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