mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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47ed3a3675
The bulk of this commit was generated by running: run-clang-tidy.py \ -checks='-*,llvm-namespace-comment' \ -header-filter=^/.../mozilla-central/.* \ -fix
244 lines
6.2 KiB
C++
244 lines
6.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "PathSkia.h"
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#include <math.h>
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#include "DrawTargetSkia.h"
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#include "Logging.h"
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#include "HelpersSkia.h"
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#include "PathHelpers.h"
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namespace mozilla {
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namespace gfx {
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PathBuilderSkia::PathBuilderSkia(const Matrix& aTransform, const SkPath& aPath, FillRule aFillRule)
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: mPath(aPath)
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{
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SkMatrix matrix;
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GfxMatrixToSkiaMatrix(aTransform, matrix);
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mPath.transform(matrix);
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SetFillRule(aFillRule);
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}
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PathBuilderSkia::PathBuilderSkia(FillRule aFillRule)
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{
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SetFillRule(aFillRule);
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}
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void
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PathBuilderSkia::SetFillRule(FillRule aFillRule)
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{
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mFillRule = aFillRule;
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if (mFillRule == FillRule::FILL_WINDING) {
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mPath.setFillType(SkPath::kWinding_FillType);
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} else {
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mPath.setFillType(SkPath::kEvenOdd_FillType);
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}
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}
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void
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PathBuilderSkia::MoveTo(const Point &aPoint)
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{
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mPath.moveTo(SkFloatToScalar(aPoint.x), SkFloatToScalar(aPoint.y));
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}
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void
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PathBuilderSkia::LineTo(const Point &aPoint)
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{
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if (!mPath.countPoints()) {
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MoveTo(aPoint);
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} else {
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mPath.lineTo(SkFloatToScalar(aPoint.x), SkFloatToScalar(aPoint.y));
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}
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}
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void
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PathBuilderSkia::BezierTo(const Point &aCP1,
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const Point &aCP2,
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const Point &aCP3)
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{
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if (!mPath.countPoints()) {
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MoveTo(aCP1);
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}
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mPath.cubicTo(SkFloatToScalar(aCP1.x), SkFloatToScalar(aCP1.y),
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SkFloatToScalar(aCP2.x), SkFloatToScalar(aCP2.y),
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SkFloatToScalar(aCP3.x), SkFloatToScalar(aCP3.y));
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}
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void
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PathBuilderSkia::QuadraticBezierTo(const Point &aCP1,
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const Point &aCP2)
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{
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if (!mPath.countPoints()) {
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MoveTo(aCP1);
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}
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mPath.quadTo(SkFloatToScalar(aCP1.x), SkFloatToScalar(aCP1.y),
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SkFloatToScalar(aCP2.x), SkFloatToScalar(aCP2.y));
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}
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void
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PathBuilderSkia::Close()
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{
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mPath.close();
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}
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void
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PathBuilderSkia::Arc(const Point &aOrigin, float aRadius, float aStartAngle,
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float aEndAngle, bool aAntiClockwise)
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{
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ArcToBezier(this, aOrigin, Size(aRadius, aRadius), aStartAngle, aEndAngle, aAntiClockwise);
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}
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Point
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PathBuilderSkia::CurrentPoint() const
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{
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int pointCount = mPath.countPoints();
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if (!pointCount) {
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return Point(0, 0);
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}
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SkPoint point = mPath.getPoint(pointCount - 1);
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return Point(SkScalarToFloat(point.fX), SkScalarToFloat(point.fY));
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}
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already_AddRefed<Path>
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PathBuilderSkia::Finish()
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{
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return MakeAndAddRef<PathSkia>(mPath, mFillRule);
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}
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void
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PathBuilderSkia::AppendPath(const SkPath &aPath)
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{
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mPath.addPath(aPath);
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}
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already_AddRefed<PathBuilder>
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PathSkia::CopyToBuilder(FillRule aFillRule) const
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{
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return TransformedCopyToBuilder(Matrix(), aFillRule);
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}
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already_AddRefed<PathBuilder>
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PathSkia::TransformedCopyToBuilder(const Matrix &aTransform, FillRule aFillRule) const
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{
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return MakeAndAddRef<PathBuilderSkia>(aTransform, mPath, aFillRule);
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}
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bool
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PathSkia::ContainsPoint(const Point &aPoint, const Matrix &aTransform) const
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{
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Matrix inverse = aTransform;
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inverse.Invert();
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Point transformed = inverse * aPoint;
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Rect bounds = GetBounds(aTransform);
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if (aPoint.x < bounds.x || aPoint.y < bounds.y ||
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aPoint.x > bounds.XMost() || aPoint.y > bounds.YMost()) {
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return false;
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}
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SkRegion pointRect;
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pointRect.setRect(int32_t(SkFloatToScalar(transformed.x - 1.f)),
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int32_t(SkFloatToScalar(transformed.y - 1.f)),
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int32_t(SkFloatToScalar(transformed.x + 1.f)),
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int32_t(SkFloatToScalar(transformed.y + 1.f)));
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SkRegion pathRegion;
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return pathRegion.setPath(mPath, pointRect);
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}
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bool
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PathSkia::StrokeContainsPoint(const StrokeOptions &aStrokeOptions,
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const Point &aPoint,
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const Matrix &aTransform) const
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{
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Matrix inverse = aTransform;
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inverse.Invert();
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Point transformed = inverse * aPoint;
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SkPaint paint;
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StrokeOptionsToPaint(paint, aStrokeOptions);
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SkPath strokePath;
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paint.getFillPath(mPath, &strokePath);
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Rect bounds = aTransform.TransformBounds(SkRectToRect(strokePath.getBounds()));
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if (aPoint.x < bounds.x || aPoint.y < bounds.y ||
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aPoint.x > bounds.XMost() || aPoint.y > bounds.YMost()) {
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return false;
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}
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SkRegion pointRect;
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pointRect.setRect(int32_t(SkFloatToScalar(transformed.x - 1.f)),
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int32_t(SkFloatToScalar(transformed.y - 1.f)),
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int32_t(SkFloatToScalar(transformed.x + 1.f)),
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int32_t(SkFloatToScalar(transformed.y + 1.f)));
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SkRegion pathRegion;
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return pathRegion.setPath(strokePath, pointRect);
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}
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Rect
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PathSkia::GetBounds(const Matrix &aTransform) const
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{
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Rect bounds = SkRectToRect(mPath.getBounds());
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return aTransform.TransformBounds(bounds);
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}
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Rect
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PathSkia::GetStrokedBounds(const StrokeOptions &aStrokeOptions,
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const Matrix &aTransform) const
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{
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SkPaint paint;
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StrokeOptionsToPaint(paint, aStrokeOptions);
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SkPath result;
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paint.getFillPath(mPath, &result);
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Rect bounds = SkRectToRect(result.getBounds());
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return aTransform.TransformBounds(bounds);
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}
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void
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PathSkia::StreamToSink(PathSink *aSink) const
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{
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SkPath::RawIter iter(mPath);
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SkPoint points[4];
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SkPath::Verb currentVerb;
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while ((currentVerb = iter.next(points)) != SkPath::kDone_Verb) {
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switch (currentVerb) {
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case SkPath::kMove_Verb:
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aSink->MoveTo(SkPointToPoint(points[0]));
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break;
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case SkPath::kLine_Verb:
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aSink->LineTo(SkPointToPoint(points[1]));
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break;
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case SkPath::kCubic_Verb:
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aSink->BezierTo(SkPointToPoint(points[1]),
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SkPointToPoint(points[2]),
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SkPointToPoint(points[3]));
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break;
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case SkPath::kQuad_Verb:
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aSink->QuadraticBezierTo(SkPointToPoint(points[1]),
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SkPointToPoint(points[2]));
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break;
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case SkPath::kClose_Verb:
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aSink->Close();
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break;
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default:
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MOZ_ASSERT(false);
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// Unexpected verb found in path!
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}
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}
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}
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} // namespace gfx
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} // namespace mozilla
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