skia2/src/core/SkDrawProcs.h
reed@google.com 045e62d715 enable soft clipping (yikes)
git-svn-id: http://skia.googlecode.com/svn/trunk@2515 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-10-24 12:19:46 +00:00

47 lines
1.2 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkDrawProcs_DEFINED
#define SkDrawProcs_DEFINED
#include "SkDraw.h"
class SkAAClip;
class SkBlitter;
struct SkDraw1Glyph {
const SkDraw* fDraw;
SkBounder* fBounder;
const SkRegion* fClip;
const SkAAClip* fAAClip;
SkBlitter* fBlitter;
SkGlyphCache* fCache;
SkIRect fClipBounds;
// The fixed x,y have been pre-rounded (i.e. 1/2 has already been added),
// so the impls need just trunc down to an int
typedef void (*Proc)(const SkDraw1Glyph&, SkFixed x, SkFixed y, const SkGlyph&);
Proc init(const SkDraw* draw, SkBlitter* blitter, SkGlyphCache* cache);
};
struct SkDrawProcs {
SkDraw1Glyph::Proc fD1GProc;
};
/**
* If the current paint is set to stroke, has a compatible xfermode, and the
* stroke-width when applied to the matrix is <= 1.0, then this returns true,
* and sets newAlpha (simulating a stroke by drawing a hairline + newAlpha).
* If any of these conditions are false, then this returns false and modulate
* is ignored.
*/
bool SkDrawTreatAsHairline(const SkPaint&, const SkMatrix&, SkAlpha* newAlpha);
#endif