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

/*
 * Copyright 2006 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 SkScalerContext_DEFINED
#define SkScalerContext_DEFINED

#include "include/core/SkColor.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkString.h"
#include "include/core/SkSurfaceProps.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkMacros.h"
#include "include/private/base/SkPoint_impl.h"
#include "include/private/base/SkTemplates.h"
#include "include/private/base/SkTo.h"
#include "src/core/SkGlyph.h"
#include "src/core/SkMask.h"
#include "src/core/SkMaskGamma.h"

#include <cstddef>
#include <cstdint>
#include <memory>

class SkArenaAlloc;
class SkAutoDescriptor;
class SkDescriptor;
class SkDrawable;
class SkFont;
class SkMaskFilter;
class SkPath;
class SkPathEffect;
enum class SkFontHinting;
struct SkFontMetrics;

//The following typedef hides from the rest of the implementation the number of
//most significant bits to consider when creating mask gamma tables. Two bits
//per channel was chosen as a balance between fidelity (more bits) and cache
//sizes (fewer bits). Three bits per channel was chosen when #303942; (used by
//the Chrome UI) turned out too green.
SkMaskGamma;

enum class SkScalerContextFlags : uint32_t { … };
SK_MAKE_BITFIELD_OPS(SkScalerContextFlags)

/*
 *  To allow this to be forward-declared, it must be its own typename, rather
 *  than a nested struct inside SkScalerContext (where it started).
 *
 *  SkScalerContextRec must be dense, and all bytes must be set to a know quantity because this
 *  structure is used to calculate a checksum.
 */
SK_BEGIN_REQUIRE_DENSE
struct SkScalerContextRec { … };
SK_END_REQUIRE_DENSE

// TODO: rename SkScalerContextEffects -> SkStrikeEffects
struct SkScalerContextEffects { … };

class SkScalerContext { … };

#define kRec_SkDescriptorTag …
#define kEffects_SkDescriptorTag …

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

SkFontHinting SkScalerContextRec::getHinting() const { … }

void SkScalerContextRec::setHinting(SkFontHinting hinting) { … }


#endif