1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 #ifndef SkDrawProcs_DEFINED 9 #define SkDrawProcs_DEFINED 10 11 #include "SkDraw.h" 12 13 class SkAAClip; 14 class SkBlitter; 15 16 struct SkDraw1Glyph { 17 const SkDraw* fDraw; 18 SkBounder* fBounder; 19 const SkRegion* fClip; 20 const SkAAClip* fAAClip; 21 SkBlitter* fBlitter; 22 SkGlyphCache* fCache; 23 SkIRect fClipBounds; 24 25 // The fixed x,y are pre-rounded, so impls just trunc them down to ints. 26 // i.e. half the sampling frequency has been added. 27 // e.g. 1/2 or 1/(2^(SkGlyph::kSubBits+1)) has already been added. 28 typedef void (*Proc)(const SkDraw1Glyph&, SkFixed x, SkFixed y, const SkGlyph&); 29 30 Proc init(const SkDraw* draw, SkBlitter* blitter, SkGlyphCache* cache); 31 }; 32 33 struct SkDrawProcs { 34 SkDraw1Glyph::Proc fD1GProc; 35 }; 36 37 /** 38 * If the current paint is set to stroke and the stroke-width when applied to 39 * the matrix is <= 1.0, then this returns true, and sets coverage (simulating 40 * a stroke by drawing a hairline with partial coverage). If any of these 41 * conditions are false, then this returns false and coverage is ignored. 42 */ 43 bool SkDrawTreatAsHairline(const SkPaint&, const SkMatrix&, SkScalar* coverage); 44 45 #endif 46 47
