The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/skia/trunk/src/core/SkPathEffect.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,80 @@
     1.4 +
     1.5 +/*
     1.6 + * Copyright 2006 The Android Open Source Project
     1.7 + *
     1.8 + * Use of this source code is governed by a BSD-style license that can be
     1.9 + * found in the LICENSE file.
    1.10 + */
    1.11 +
    1.12 +#include "SkPathEffect.h"
    1.13 +#include "SkPath.h"
    1.14 +#include "SkReadBuffer.h"
    1.15 +#include "SkWriteBuffer.h"
    1.16 +
    1.17 +///////////////////////////////////////////////////////////////////////////////
    1.18 +
    1.19 +void SkPathEffect::computeFastBounds(SkRect* dst, const SkRect& src) const {
    1.20 +    *dst = src;
    1.21 +}
    1.22 +
    1.23 +bool SkPathEffect::asPoints(PointData* results, const SkPath& src,
    1.24 +                    const SkStrokeRec&, const SkMatrix&, const SkRect*) const {
    1.25 +    return false;
    1.26 +}
    1.27 +
    1.28 +///////////////////////////////////////////////////////////////////////////////
    1.29 +
    1.30 +SkPairPathEffect::SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1)
    1.31 +        : fPE0(pe0), fPE1(pe1) {
    1.32 +    SkASSERT(pe0);
    1.33 +    SkASSERT(pe1);
    1.34 +    fPE0->ref();
    1.35 +    fPE1->ref();
    1.36 +}
    1.37 +
    1.38 +SkPairPathEffect::~SkPairPathEffect() {
    1.39 +    SkSafeUnref(fPE0);
    1.40 +    SkSafeUnref(fPE1);
    1.41 +}
    1.42 +
    1.43 +/*
    1.44 +    Format: [oe0-factory][pe1-factory][pe0-size][pe0-data][pe1-data]
    1.45 +*/
    1.46 +void SkPairPathEffect::flatten(SkWriteBuffer& buffer) const {
    1.47 +    this->INHERITED::flatten(buffer);
    1.48 +    buffer.writeFlattenable(fPE0);
    1.49 +    buffer.writeFlattenable(fPE1);
    1.50 +}
    1.51 +
    1.52 +SkPairPathEffect::SkPairPathEffect(SkReadBuffer& buffer) {
    1.53 +    fPE0 = buffer.readPathEffect();
    1.54 +    fPE1 = buffer.readPathEffect();
    1.55 +    // either of these may fail, so we have to check for nulls later on
    1.56 +}
    1.57 +
    1.58 +///////////////////////////////////////////////////////////////////////////////
    1.59 +
    1.60 +bool SkComposePathEffect::filterPath(SkPath* dst, const SkPath& src,
    1.61 +                             SkStrokeRec* rec, const SkRect* cullRect) const {
    1.62 +    // we may have failed to unflatten these, so we have to check
    1.63 +    if (!fPE0 || !fPE1) {
    1.64 +        return false;
    1.65 +    }
    1.66 +
    1.67 +    SkPath          tmp;
    1.68 +    const SkPath*   ptr = &src;
    1.69 +
    1.70 +    if (fPE1->filterPath(&tmp, src, rec, cullRect)) {
    1.71 +        ptr = &tmp;
    1.72 +    }
    1.73 +    return fPE0->filterPath(dst, *ptr, rec, cullRect);
    1.74 +}
    1.75 +
    1.76 +///////////////////////////////////////////////////////////////////////////////
    1.77 +
    1.78 +bool SkSumPathEffect::filterPath(SkPath* dst, const SkPath& src,
    1.79 +                             SkStrokeRec* rec, const SkRect* cullRect) const {
    1.80 +    // use bit-or so that we always call both, even if the first one succeeds
    1.81 +    return fPE0->filterPath(dst, src, rec, cullRect) |
    1.82 +           fPE1->filterPath(dst, src, rec, cullRect);
    1.83 +}