gecko-dev/gfx/2d/PathRecording.cpp

112 строки
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "PathRecording.h"
#include "DrawEventRecorder.h"
#include "RecordedEventImpl.h"
namespace mozilla {
namespace gfx {
using namespace std;
void PathBuilderRecording::MoveTo(const Point& aPoint) {
PathOp op;
op.mType = PathOp::OP_MOVETO;
op.mP1 = aPoint;
mPathOps.push_back(op);
mPathBuilder->MoveTo(aPoint);
}
void PathBuilderRecording::LineTo(const Point& aPoint) {
PathOp op;
op.mType = PathOp::OP_LINETO;
op.mP1 = aPoint;
mPathOps.push_back(op);
mPathBuilder->LineTo(aPoint);
}
void PathBuilderRecording::BezierTo(const Point& aCP1, const Point& aCP2,
const Point& aCP3) {
PathOp op;
op.mType = PathOp::OP_BEZIERTO;
op.mP1 = aCP1;
op.mP2 = aCP2;
op.mP3 = aCP3;
mPathOps.push_back(op);
mPathBuilder->BezierTo(aCP1, aCP2, aCP3);
}
void PathBuilderRecording::QuadraticBezierTo(const Point& aCP1,
const Point& aCP2) {
PathOp op;
op.mType = PathOp::OP_QUADRATICBEZIERTO;
op.mP1 = aCP1;
op.mP2 = aCP2;
mPathOps.push_back(op);
mPathBuilder->QuadraticBezierTo(aCP1, aCP2);
}
void PathBuilderRecording::Close() {
PathOp op;
op.mType = PathOp::OP_CLOSE;
mPathOps.push_back(op);
mPathBuilder->Close();
}
Point PathBuilderRecording::CurrentPoint() const {
return mPathBuilder->CurrentPoint();
}
already_AddRefed<Path> PathBuilderRecording::Finish() {
RefPtr<Path> path = mPathBuilder->Finish();
return MakeAndAddRef<PathRecording>(path, mPathOps, mFillRule);
}
PathRecording::~PathRecording() {
for (size_t i = 0; i < mStoredRecorders.size(); i++) {
mStoredRecorders[i]->RemoveStoredObject(this);
mStoredRecorders[i]->RecordEvent(RecordedPathDestruction(this));
}
}
already_AddRefed<PathBuilder> PathRecording::CopyToBuilder(
FillRule aFillRule) const {
RefPtr<PathBuilder> pathBuilder = mPath->CopyToBuilder(aFillRule);
RefPtr<PathBuilderRecording> recording =
new PathBuilderRecording(pathBuilder, aFillRule);
recording->mPathOps = mPathOps;
return recording.forget();
}
already_AddRefed<PathBuilder> PathRecording::TransformedCopyToBuilder(
const Matrix& aTransform, FillRule aFillRule) const {
RefPtr<PathBuilder> pathBuilder =
mPath->TransformedCopyToBuilder(aTransform, aFillRule);
RefPtr<PathBuilderRecording> recording =
new PathBuilderRecording(pathBuilder, aFillRule);
typedef std::vector<PathOp> pathOpVec;
for (pathOpVec::const_iterator iter = mPathOps.begin();
iter != mPathOps.end(); iter++) {
PathOp newPathOp;
newPathOp.mType = iter->mType;
if (sPointCount[newPathOp.mType] >= 1) {
newPathOp.mP1 = aTransform.TransformPoint(iter->mP1);
}
if (sPointCount[newPathOp.mType] >= 2) {
newPathOp.mP2 = aTransform.TransformPoint(iter->mP2);
}
if (sPointCount[newPathOp.mType] >= 3) {
newPathOp.mP3 = aTransform.TransformPoint(iter->mP3);
}
recording->mPathOps.push_back(newPathOp);
}
return recording.forget();
}
} // namespace gfx
} // namespace mozilla