13b3aa1466
In order to make Op() and Simplify() accessible from Blink, they need to be SK_API-annotated. R=caryclark@google.com Author: fmalita@chromium.org Review URL: https://chromiumcodereview.appspot.com/18912002 git-svn-id: http://skia.googlecode.com/svn/trunk@9939 2bbb7eff-a529-9590-31e7-b0007b416f81
58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkPathOps_DEFINED
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#define SkPathOps_DEFINED
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#include "SkPreConfig.h"
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class SkPath;
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// FIXME: move everything below into the SkPath class
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/**
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* The logical operations that can be performed when combining two paths.
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*/
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enum SkPathOp {
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kDifference_PathOp, //!< subtract the op path from the first path
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kIntersect_PathOp, //!< intersect the two paths
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kUnion_PathOp, //!< union (inclusive-or) the two paths
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kXOR_PathOp, //!< exclusive-or the two paths
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kReverseDifference_PathOp, //!< subtract the first path from the op path
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};
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/** Set this path to the result of applying the Op to this path and the
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specified path: this = (this op operand).
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The resulting path will be constructed from non-overlapping contours.
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The curve order is reduced where possible so that cubics may be turned
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into quadratics, and quadratics maybe turned into lines.
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Returns true if operation was able to produce a result;
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otherwise, result is unmodified.
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@param one The first operand (for difference, the minuend)
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@param two The second operand (for difference, the subtrahend)
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@param result The product of the operands. The result may be one of the
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inputs.
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@return True if operation succeeded.
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*/
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bool SK_API Op(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result);
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/** Set this path to a set of non-overlapping contours that describe the
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same area as the original path.
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The curve order is reduced where possible so that cubics may
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be turned into quadratics, and quadratics maybe turned into lines.
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Returns true if operation was able to produce a result;
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otherwise, result is unmodified.
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@param path The path to simplify.
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@param result The simplified path. The result may be the input.
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@return True if simplification succeeded.
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*/
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bool SK_API Simplify(const SkPath& path, SkPath* result);
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#endif
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