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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(uint32_t recordFlags,
SkBBoxHierarchy* h,
SkBaseDevice* device)
: INHERITED(recordFlags, device) {
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);
}
int SkBBoxHierarchyRecord::save(SaveFlags flags) {
fStateTree->appendSave();
return INHERITED::save(flags);
}
int SkBBoxHierarchyRecord::saveLayer(const SkRect* bounds, const SkPaint* paint,
SaveFlags flags) {
fStateTree->appendSaveLayer(this->writeStream().bytesWritten());
return INHERITED::saveLayer(bounds, paint, flags);
}
void SkBBoxHierarchyRecord::restore() {
fStateTree->appendRestore();
INHERITED::restore();
}
bool SkBBoxHierarchyRecord::translate(SkScalar dx, SkScalar dy) {
bool result = INHERITED::translate(dx, dy);
fStateTree->appendTransform(getTotalMatrix());
return result;
}
bool SkBBoxHierarchyRecord::scale(SkScalar sx, SkScalar sy) {
bool result = INHERITED::scale(sx, sy);
fStateTree->appendTransform(getTotalMatrix());
return result;
}
bool SkBBoxHierarchyRecord::rotate(SkScalar degrees) {
bool result = INHERITED::rotate(degrees);
fStateTree->appendTransform(getTotalMatrix());
return result;
}
bool SkBBoxHierarchyRecord::skew(SkScalar sx, SkScalar sy) {
bool result = INHERITED::skew(sx, sy);
fStateTree->appendTransform(getTotalMatrix());
return result;
}
bool SkBBoxHierarchyRecord::concat(const SkMatrix& matrix) {
bool result = INHERITED::concat(matrix);
fStateTree->appendTransform(getTotalMatrix());
return result;
}
void SkBBoxHierarchyRecord::setMatrix(const SkMatrix& matrix) {
INHERITED::setMatrix(matrix);
fStateTree->appendTransform(getTotalMatrix());
}
bool SkBBoxHierarchyRecord::clipRect(const SkRect& rect,
SkRegion::Op op,
bool doAntiAlias) {
fStateTree->appendClip(this->writeStream().bytesWritten());
return INHERITED::clipRect(rect, op, doAntiAlias);
}
bool SkBBoxHierarchyRecord::clipRegion(const SkRegion& region,
SkRegion::Op op) {
fStateTree->appendClip(this->writeStream().bytesWritten());
return INHERITED::clipRegion(region, op);
}
bool SkBBoxHierarchyRecord::clipPath(const SkPath& path,
SkRegion::Op op,
bool doAntiAlias) {
fStateTree->appendClip(this->writeStream().bytesWritten());
return INHERITED::clipPath(path, op, doAntiAlias);
}
bool SkBBoxHierarchyRecord::clipRRect(const SkRRect& rrect,
SkRegion::Op op,
bool doAntiAlias) {
fStateTree->appendClip(this->writeStream().bytesWritten());
return INHERITED::clipRRect(rrect, op, doAntiAlias);
}
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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