michael@0: 
michael@0: /*
michael@0:  * Copyright 2012 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #include "SkBBoxHierarchyRecord.h"
michael@0: #include "SkPictureStateTree.h"
michael@0: 
michael@0: SkBBoxHierarchyRecord::SkBBoxHierarchyRecord(const SkISize& size,
michael@0:                                              uint32_t recordFlags,
michael@0:                                              SkBBoxHierarchy* h)
michael@0:     : INHERITED(size, recordFlags) {
michael@0:     fStateTree = SkNEW(SkPictureStateTree);
michael@0:     fBoundingHierarchy = h;
michael@0:     fBoundingHierarchy->ref();
michael@0:     fBoundingHierarchy->setClient(this);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::handleBBox(const SkRect& bounds) {
michael@0:     SkIRect r;
michael@0:     bounds.roundOut(&r);
michael@0:     SkPictureStateTree::Draw* draw = fStateTree->appendDraw(this->writeStream().bytesWritten());
michael@0:     fBoundingHierarchy->insert(draw, r, true);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::willSave(SaveFlags flags) {
michael@0:     fStateTree->appendSave();
michael@0:     this->INHERITED::willSave(flags);
michael@0: }
michael@0: 
michael@0: SkCanvas::SaveLayerStrategy SkBBoxHierarchyRecord::willSaveLayer(const SkRect* bounds,
michael@0:                                                                  const SkPaint* paint,
michael@0:                                                                  SaveFlags flags) {
michael@0:     fStateTree->appendSaveLayer(this->writeStream().bytesWritten());
michael@0:     return this->INHERITED::willSaveLayer(bounds, paint, flags);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::willRestore() {
michael@0:     fStateTree->appendRestore();
michael@0:     this->INHERITED::willRestore();
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::didTranslate(SkScalar dx, SkScalar dy) {
michael@0:     fStateTree->appendTransform(getTotalMatrix());
michael@0:     INHERITED::didTranslate(dx, dy);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::didScale(SkScalar sx, SkScalar sy) {
michael@0:     fStateTree->appendTransform(getTotalMatrix());
michael@0:     INHERITED::didScale(sx, sy);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::didRotate(SkScalar degrees) {
michael@0:     fStateTree->appendTransform(getTotalMatrix());
michael@0:     INHERITED::didRotate(degrees);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::didSkew(SkScalar sx, SkScalar sy) {
michael@0:     fStateTree->appendTransform(getTotalMatrix());
michael@0:     INHERITED::didSkew(sx, sy);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::didConcat(const SkMatrix& matrix) {
michael@0:     fStateTree->appendTransform(getTotalMatrix());
michael@0:     INHERITED::didConcat(matrix);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::didSetMatrix(const SkMatrix& matrix) {
michael@0:     fStateTree->appendTransform(getTotalMatrix());
michael@0:     INHERITED::didSetMatrix(matrix);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::onClipRect(const SkRect& rect,
michael@0:                                        SkRegion::Op op,
michael@0:                                        ClipEdgeStyle edgeStyle) {
michael@0:     fStateTree->appendClip(this->writeStream().bytesWritten());
michael@0:     this->INHERITED::onClipRect(rect, op, edgeStyle);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::onClipRegion(const SkRegion& region,
michael@0:                                          SkRegion::Op op) {
michael@0:     fStateTree->appendClip(this->writeStream().bytesWritten());
michael@0:     this->INHERITED::onClipRegion(region, op);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::onClipPath(const SkPath& path,
michael@0:                                        SkRegion::Op op,
michael@0:                                        ClipEdgeStyle edgeStyle) {
michael@0:     fStateTree->appendClip(this->writeStream().bytesWritten());
michael@0:     this->INHERITED::onClipPath(path, op, edgeStyle);
michael@0: }
michael@0: 
michael@0: void SkBBoxHierarchyRecord::onClipRRect(const SkRRect& rrect,
michael@0:                                         SkRegion::Op op,
michael@0:                                         ClipEdgeStyle edgeStyle) {
michael@0:     fStateTree->appendClip(this->writeStream().bytesWritten());
michael@0:     this->INHERITED::onClipRRect(rrect, op, edgeStyle);
michael@0: }
michael@0: 
michael@0: bool SkBBoxHierarchyRecord::shouldRewind(void* data) {
michael@0:     // SkBBoxHierarchy::rewindInserts is called by SkPicture after the
michael@0:     // SkPicture has rewound its command stream.  To match that rewind in the
michael@0:     // BBH, we rewind all draws that reference commands that were recorded
michael@0:     // past the point to which the SkPicture has rewound, which is given by
michael@0:     // writeStream().bytesWritten().
michael@0:     SkPictureStateTree::Draw* draw = static_cast<SkPictureStateTree::Draw*>(data);
michael@0:     return draw->fOffset >= writeStream().bytesWritten();
michael@0: }