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gfx/skia/trunk/src/effects/Sk2DPathEffect.cpp@129ffea94266 (annotated)

gfx/skia/trunk/src/effects/Sk2DPathEffect.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1
michael@0	2	/*
michael@0	3	* Copyright 2006 The Android Open Source Project
michael@0	4	*
michael@0	5	* Use of this source code is governed by a BSD-style license that can be
michael@0	6	* found in the LICENSE file.
michael@0	7	*/
michael@0	8
michael@0	9
michael@0	10	#include "Sk2DPathEffect.h"
michael@0	11	#include "SkReadBuffer.h"
michael@0	12	#include "SkWriteBuffer.h"
michael@0	13	#include "SkPath.h"
michael@0	14	#include "SkRegion.h"
michael@0	15
michael@0	16	Sk2DPathEffect::Sk2DPathEffect(const SkMatrix& mat) : fMatrix(mat) {
michael@0	17	fMatrixIsInvertible = mat.invert(&fInverse);
michael@0	18	}
michael@0	19
michael@0	20	bool Sk2DPathEffect::filterPath(SkPath* dst, const SkPath& src,
michael@0	21	SkStrokeRec*, const SkRect*) const {
michael@0	22	if (!fMatrixIsInvertible) {
michael@0	23	return false;
michael@0	24	}
michael@0	25
michael@0	26	SkPath tmp;
michael@0	27	SkIRect ir;
michael@0	28
michael@0	29	src.transform(fInverse, &tmp);
michael@0	30	tmp.getBounds().round(&ir);
michael@0	31	if (!ir.isEmpty()) {
michael@0	32	this->begin(ir, dst);
michael@0	33
michael@0	34	SkRegion rgn;
michael@0	35	rgn.setPath(tmp, SkRegion(ir));
michael@0	36	SkRegion::Iterator iter(rgn);
michael@0	37	for (; !iter.done(); iter.next()) {
michael@0	38	const SkIRect& rect = iter.rect();
michael@0	39	for (int y = rect.fTop; y < rect.fBottom; ++y) {
michael@0	40	this->nextSpan(rect.fLeft, y, rect.width(), dst);
michael@0	41	}
michael@0	42	}
michael@0	43
michael@0	44	this->end(dst);
michael@0	45	}
michael@0	46	return true;
michael@0	47	}
michael@0	48
michael@0	49	void Sk2DPathEffect::nextSpan(int x, int y, int count, SkPath* path) const {
michael@0	50	if (!fMatrixIsInvertible) {
michael@0	51	return;
michael@0	52	}
michael@0	53
michael@0	54	const SkMatrix& mat = this->getMatrix();
michael@0	55	SkPoint src, dst;
michael@0	56
michael@0	57	src.set(SkIntToScalar(x) + SK_ScalarHalf, SkIntToScalar(y) + SK_ScalarHalf);
michael@0	58	do {
michael@0	59	mat.mapPoints(&dst, &src, 1);
michael@0	60	this->next(dst, x++, y, path);
michael@0	61	src.fX += SK_Scalar1;
michael@0	62	} while (--count > 0);
michael@0	63	}
michael@0	64
michael@0	65	void Sk2DPathEffect::begin(const SkIRect& uvBounds, SkPath* dst) const {}
michael@0	66	void Sk2DPathEffect::next(const SkPoint& loc, int u, int v, SkPath* dst) const {}
michael@0	67	void Sk2DPathEffect::end(SkPath* dst) const {}
michael@0	68
michael@0	69	///////////////////////////////////////////////////////////////////////////////
michael@0	70
michael@0	71	void Sk2DPathEffect::flatten(SkWriteBuffer& buffer) const {
michael@0	72	this->INHERITED::flatten(buffer);
michael@0	73	buffer.writeMatrix(fMatrix);
michael@0	74	}
michael@0	75
michael@0	76	Sk2DPathEffect::Sk2DPathEffect(SkReadBuffer& buffer) {
michael@0	77	buffer.readMatrix(&fMatrix);
michael@0	78	fMatrixIsInvertible = fMatrix.invert(&fInverse);
michael@0	79	}
michael@0	80
michael@0	81	///////////////////////////////////////////////////////////////////////////////
michael@0	82
michael@0	83	bool SkLine2DPathEffect::filterPath(SkPath* dst, const SkPath& src,
michael@0	84	SkStrokeRec* rec, const SkRect* cullRect) const {
michael@0	85	if (this->INHERITED::filterPath(dst, src, rec, cullRect)) {
michael@0	86	rec->setStrokeStyle(fWidth);
michael@0	87	return true;
michael@0	88	}
michael@0	89	return false;
michael@0	90	}
michael@0	91
michael@0	92	void SkLine2DPathEffect::nextSpan(int u, int v, int ucount, SkPath* dst) const {
michael@0	93	if (ucount > 1) {
michael@0	94	SkPoint src[2], dstP[2];
michael@0	95
michael@0	96	src[0].set(SkIntToScalar(u) + SK_ScalarHalf, SkIntToScalar(v) + SK_ScalarHalf);
michael@0	97	src[1].set(SkIntToScalar(u+ucount) + SK_ScalarHalf, SkIntToScalar(v) + SK_ScalarHalf);
michael@0	98	this->getMatrix().mapPoints(dstP, src, 2);
michael@0	99
michael@0	100	dst->moveTo(dstP[0]);
michael@0	101	dst->lineTo(dstP[1]);
michael@0	102	}
michael@0	103	}
michael@0	104
michael@0	105	SkLine2DPathEffect::SkLine2DPathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {
michael@0	106	fWidth = buffer.readScalar();
michael@0	107	}
michael@0	108
michael@0	109	void SkLine2DPathEffect::flatten(SkWriteBuffer &buffer) const {
michael@0	110	this->INHERITED::flatten(buffer);
michael@0	111	buffer.writeScalar(fWidth);
michael@0	112	}
michael@0	113
michael@0	114	///////////////////////////////////////////////////////////////////////////////
michael@0	115
michael@0	116	SkPath2DPathEffect::SkPath2DPathEffect(const SkMatrix& m, const SkPath& p)
michael@0	117	: INHERITED(m), fPath(p) {
michael@0	118	}
michael@0	119
michael@0	120	SkPath2DPathEffect::SkPath2DPathEffect(SkReadBuffer& buffer)
michael@0	121	: INHERITED(buffer) {
michael@0	122	buffer.readPath(&fPath);
michael@0	123	}
michael@0	124
michael@0	125	void SkPath2DPathEffect::flatten(SkWriteBuffer& buffer) const {
michael@0	126	this->INHERITED::flatten(buffer);
michael@0	127	buffer.writePath(fPath);
michael@0	128	}
michael@0	129
michael@0	130	void SkPath2DPathEffect::next(const SkPoint& loc, int u, int v,
michael@0	131	SkPath* dst) const {
michael@0	132	dst->addPath(fPath, loc.fX, loc.fY);
michael@0	133	}