/*

 * 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/SkRect.h"

#include "include/private/SkFixed.h"

#include <atomic>

class SkRasterClip;

class SkRegion;

class SkBlitter;

class SkPath;

/** Defines a fixed-point rectangle, identical to the integer SkIRect, but its

    coordinates are treated as SkFixed rather than int32_t.

*/

typedef SkIRect SkXRect;

extern std::atomic<bool> gSkUseAnalyticAA;

extern std::atomic<bool> gSkForceAnalyticAA;

class AdditiveBlitter;

class SkScan {

public:

    /*

     *  Draws count-1 line segments, one at a time:

     *      line(pts[0], pts[1])

     *      line(pts[1], pts[2])

     *      line(......, pts[count - 1])

     */

    typedef void (*HairRgnProc)(const SkPoint[], int count, const SkRegion*, SkBlitter*);

    typedef void (*HairRCProc)(const SkPoint[], int count, const SkRasterClip&, SkBlitter*);

    static void FillPath(const SkPath&, const SkIRect&, SkBlitter*);

    ///////////////////////////////////////////////////////////////////////////

    // rasterclip

    static void FillIRect(const SkIRect&, const SkRasterClip&, SkBlitter*);

    static void FillXRect(const SkXRect&, const SkRasterClip&, SkBlitter*);

    static void FillRect(const SkRect&, const SkRasterClip&, SkBlitter*);

    static void AntiFillRect(const SkRect&, const SkRasterClip&, SkBlitter*);

    static void AntiFillXRect(const SkXRect&, const SkRasterClip&, SkBlitter*);

    static void FillPath(const SkPath&, const SkRasterClip&, SkBlitter*);

    static void AntiFillPath(const SkPath&, const SkRasterClip&, SkBlitter*);

    static void FrameRect(const SkRect&, const SkPoint& strokeSize,

                          const SkRasterClip&, SkBlitter*);

    static void AntiFrameRect(const SkRect&, const SkPoint& strokeSize,

                              const SkRasterClip&, SkBlitter*);

    static void FillTriangle(const SkPoint pts[], const SkRasterClip&, SkBlitter*);

    static void HairLine(const SkPoint[], int count, const SkRasterClip&, SkBlitter*);

    static void AntiHairLine(const SkPoint[], int count, const SkRasterClip&, SkBlitter*);

    static void HairRect(const SkRect&, const SkRasterClip&, SkBlitter*);

    static void AntiHairRect(const SkRect&, const SkRasterClip&, SkBlitter*);

    static void HairPath(const SkPath&, const SkRasterClip&, SkBlitter*);

    static void AntiHairPath(const SkPath&, const SkRasterClip&, SkBlitter*);

    static void HairSquarePath(const SkPath&, const SkRasterClip&, SkBlitter*);

    static void AntiHairSquarePath(const SkPath&, const SkRasterClip&, SkBlitter*);

    static void HairRoundPath(const SkPath&, const SkRasterClip&, SkBlitter*);

    static void AntiHairRoundPath(const SkPath&, const SkRasterClip&, SkBlitter*);

    // Needed by do_fill_path in SkScanPriv.h

    static void FillPath(const SkPath&, const SkRegion& clip, SkBlitter*);

private:

    friend class SkAAClip;

    friend class SkRegion;

    static void FillIRect(const SkIRect&, const SkRegion* clip, SkBlitter*);

    static void FillXRect(const SkXRect&, const SkRegion* clip, SkBlitter*);

    static void FillRect(const SkRect&, const SkRegion* clip, SkBlitter*);

    static void AntiFillRect(const SkRect&, const SkRegion* clip, SkBlitter*);

    static void AntiFillXRect(const SkXRect&, const SkRegion*, SkBlitter*);

    static void AntiFillPath(const SkPath&, const SkRegion& clip, SkBlitter*, bool forceRLE);

    static void FillTriangle(const SkPoint pts[], const SkRegion*, SkBlitter*);

    static void AntiFrameRect(const SkRect&, const SkPoint& strokeSize,

                              const SkRegion*, SkBlitter*);

    static void HairLineRgn(const SkPoint[], int count, const SkRegion*, SkBlitter*);

    static void AntiHairLineRgn(const SkPoint[], int count, const SkRegion*, SkBlitter*);

    static void AAAFillPath(const SkPath& path, SkBlitter* blitter, const SkIRect& pathIR,

                            const SkIRect& clipBounds, bool forceRLE);

    static void SAAFillPath(const SkPath& path, SkBlitter* blitter, const SkIRect& pathIR,

                            const SkIRect& clipBounds, bool forceRLE);

};

/** 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) {

    xr->fLeft = SkIntToFixed(src.fLeft);

    xr->fTop = SkIntToFixed(src.fTop);

    xr->fRight = SkIntToFixed(src.fRight);

    xr->fBottom = SkIntToFixed(src.fBottom);

}

Unexecuted instantiation: SkRegion_path.cpp:XRect_set(SkIRect*, SkIRect const&)

Unexecuted instantiation: SkScan_Path.cpp:XRect_set(SkIRect*, SkIRect const&)

Unexecuted instantiation: SkAAClip.cpp:XRect_set(SkIRect*, SkIRect const&)

Unexecuted instantiation: SkDraw.cpp:XRect_set(SkIRect*, SkIRect const&)

Unexecuted instantiation: SkDraw_atlas.cpp:XRect_set(SkIRect*, SkIRect const&)

Unexecuted instantiation: SkDraw_vertices.cpp:XRect_set(SkIRect*, SkIRect const&)

Unexecuted instantiation: SkScan.cpp:XRect_set(SkIRect*, SkIRect const&)

Unexecuted instantiation: SkScan_AntiPath.cpp:XRect_set(SkIRect*, SkIRect const&)

SkScan_Antihair.cpp:XRect_set(SkIRect*, SkIRect const&)

Line

Count

Source

99

1.64k

static inline void XRect_set(SkXRect* xr, const SkIRect& src) {

100

1.64k

    xr->fLeft = SkIntToFixed(src.fLeft);

101

1.64k

    xr->fTop = SkIntToFixed(src.fTop);

102

1.64k

    xr->fRight = SkIntToFixed(src.fRight);

103

1.64k

    xr->fBottom = SkIntToFixed(src.fBottom);

104

1.64k

}

Unexecuted instantiation: SkScan_Hairline.cpp:XRect_set(SkIRect*, SkIRect const&)

Unexecuted instantiation: SkScan_AAAPath.cpp:XRect_set(SkIRect*, SkIRect const&)

SkScan_Antihair.cpp:XRect_set(SkIRect*, SkIRect const&)

Line

Count

Source

99

1.64k

static inline void XRect_set(SkXRect* xr, const SkIRect& src) {

100

1.64k

    xr->fLeft = SkIntToFixed(src.fLeft);

101

1.64k

    xr->fTop = SkIntToFixed(src.fTop);

102

1.64k

    xr->fRight = SkIntToFixed(src.fRight);

103

1.64k

    xr->fBottom = SkIntToFixed(src.fBottom);

104

1.64k

}

/** 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) {

    xr->fLeft = SkScalarToFixed(src.fLeft);

    xr->fTop = SkScalarToFixed(src.fTop);

    xr->fRight = SkScalarToFixed(src.fRight);

    xr->fBottom = SkScalarToFixed(src.fBottom);

}

Unexecuted instantiation: SkRegion_path.cpp:XRect_set(SkIRect*, SkRect const&)

Unexecuted instantiation: SkScan_Path.cpp:XRect_set(SkIRect*, SkRect const&)

Unexecuted instantiation: SkAAClip.cpp:XRect_set(SkIRect*, SkRect const&)

Unexecuted instantiation: SkDraw.cpp:XRect_set(SkIRect*, SkRect const&)

Unexecuted instantiation: SkDraw_atlas.cpp:XRect_set(SkIRect*, SkRect const&)

Unexecuted instantiation: SkDraw_vertices.cpp:XRect_set(SkIRect*, SkRect const&)

Unexecuted instantiation: SkScan.cpp:XRect_set(SkIRect*, SkRect const&)

Unexecuted instantiation: SkScan_AntiPath.cpp:XRect_set(SkIRect*, SkRect const&)

SkScan_Antihair.cpp:XRect_set(SkIRect*, SkRect const&)

Line

Count

Source

110

2.06k

static inline void XRect_set(SkXRect* xr, const SkRect& src) {

111

2.06k

    xr->fLeft = SkScalarToFixed(src.fLeft);

112

2.06k

    xr->fTop = SkScalarToFixed(src.fTop);

113

2.06k

    xr->fRight = SkScalarToFixed(src.fRight);

114

2.06k

    xr->fBottom = SkScalarToFixed(src.fBottom);

115

2.06k

}

Unexecuted instantiation: SkScan_Hairline.cpp:XRect_set(SkIRect*, SkRect const&)

Unexecuted instantiation: SkScan_AAAPath.cpp:XRect_set(SkIRect*, SkRect const&)

/** Round the SkXRect coordinates, and store the result in the SkIRect.

*/

static inline void XRect_round(const SkXRect& xr, SkIRect* dst) {

    dst->fLeft = SkFixedRoundToInt(xr.fLeft);

    dst->fTop = SkFixedRoundToInt(xr.fTop);

    dst->fRight = SkFixedRoundToInt(xr.fRight);

    dst->fBottom = SkFixedRoundToInt(xr.fBottom);

}

Unexecuted instantiation: SkRegion_path.cpp:XRect_round(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkScan_Path.cpp:XRect_round(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkAAClip.cpp:XRect_round(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkDraw.cpp:XRect_round(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkDraw_atlas.cpp:XRect_round(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkDraw_vertices.cpp:XRect_round(SkIRect const&, SkIRect*)

SkScan.cpp:XRect_round(SkIRect const&, SkIRect*)

Line

Count

Source

119

100

static inline void XRect_round(const SkXRect& xr, SkIRect* dst) {

120

100

    dst->fLeft = SkFixedRoundToInt(xr.fLeft);

121

100

    dst->fTop = SkFixedRoundToInt(xr.fTop);

122

100

    dst->fRight = SkFixedRoundToInt(xr.fRight);

123

100

    dst->fBottom = SkFixedRoundToInt(xr.fBottom);

124

100

}

Unexecuted instantiation: SkScan_AntiPath.cpp:XRect_round(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkScan_Antihair.cpp:XRect_round(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkScan_Hairline.cpp:XRect_round(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkScan_AAAPath.cpp:XRect_round(SkIRect const&, SkIRect*)

/** 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) {

    dst->fLeft = SkFixedFloorToInt(xr.fLeft);

    dst->fTop = SkFixedFloorToInt(xr.fTop);

    dst->fRight = SkFixedCeilToInt(xr.fRight);

    dst->fBottom = SkFixedCeilToInt(xr.fBottom);

}

Unexecuted instantiation: SkRegion_path.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkScan_Path.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkAAClip.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkDraw.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkDraw_atlas.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkDraw_vertices.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkScan.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkScan_AntiPath.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

SkScan_Antihair.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Line

Count

Source

129

815

static inline void XRect_roundOut(const SkXRect& xr, SkIRect* dst) {

130

815

    dst->fLeft = SkFixedFloorToInt(xr.fLeft);

131

815

    dst->fTop = SkFixedFloorToInt(xr.fTop);

132

815

    dst->fRight = SkFixedCeilToInt(xr.fRight);

133

815

    dst->fBottom = SkFixedCeilToInt(xr.fBottom);

134

815

}

Unexecuted instantiation: SkScan_Hairline.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

Unexecuted instantiation: SkScan_AAAPath.cpp:XRect_roundOut(SkIRect const&, SkIRect*)

#endif