chromium/third_party/skia/src/core/SkScan.h

/*
 * Copyright 2011 The Android Open Source Project
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */


#ifndef SkScan_DEFINED
#define SkScan_DEFINED

#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/private/base/SkFixed.h"

class SkBlitter;
class SkPath;
class SkRasterClip;
class SkRegion;

/** Defines a fixed-point rectangle, identical to the integer SkIRect, but its
    coordinates are treated as SkFixed rather than int32_t.
*/
SkXRect;

class SkScan { … };

/** Assign an SkXRect from a SkIRect, by promoting the src rect's coordinates
    from int to SkFixed. Does not check for overflow if the src coordinates
    exceed 32K
*/
static inline void XRect_set(SkXRect* xr, const SkIRect& src) { … }

/** Assign an SkXRect from a SkRect, by promoting the src rect's coordinates
    from SkScalar to SkFixed. Does not check for overflow if the src coordinates
    exceed 32K
*/
static inline void XRect_set(SkXRect* xr, const SkRect& src) { … }

/** Round the SkXRect coordinates, and store the result in the SkIRect.
*/
static inline void XRect_round(const SkXRect& xr, SkIRect* dst) { … }

/** Round the SkXRect coordinates out (i.e. use floor for left/top, and ceiling
    for right/bottom), and store the result in the SkIRect.
*/
static inline void XRect_roundOut(const SkXRect& xr, SkIRect* dst) { … }

#endif