diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/core/SkStrokeRec.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gfx/skia/trunk/src/core/SkStrokeRec.cpp Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,105 @@ +/* + * Copyright 2012 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SkStrokeRec.h" +#include "SkPaintDefaults.h" + +// must be < 0, since ==0 means hairline, and >0 means normal stroke +#define kStrokeRec_FillStyleWidth (-SK_Scalar1) + +SkStrokeRec::SkStrokeRec(InitStyle s) { + fWidth = (kFill_InitStyle == s) ? kStrokeRec_FillStyleWidth : 0; + fMiterLimit = SkPaintDefaults_MiterLimit; + fCap = SkPaint::kDefault_Cap; + fJoin = SkPaint::kDefault_Join; + fStrokeAndFill = false; +} + +SkStrokeRec::SkStrokeRec(const SkStrokeRec& src) { + memcpy(this, &src, sizeof(src)); +} + +SkStrokeRec::SkStrokeRec(const SkPaint& paint) { + switch (paint.getStyle()) { + case SkPaint::kFill_Style: + fWidth = kStrokeRec_FillStyleWidth; + fStrokeAndFill = false; + break; + case SkPaint::kStroke_Style: + fWidth = paint.getStrokeWidth(); + fStrokeAndFill = false; + break; + case SkPaint::kStrokeAndFill_Style: + if (0 == paint.getStrokeWidth()) { + // hairline+fill == fill + fWidth = kStrokeRec_FillStyleWidth; + fStrokeAndFill = false; + } else { + fWidth = paint.getStrokeWidth(); + fStrokeAndFill = true; + } + break; + default: + SkDEBUGFAIL("unknown paint style"); + // fall back on just fill + fWidth = kStrokeRec_FillStyleWidth; + fStrokeAndFill = false; + break; + } + + // copy these from the paint, regardless of our "style" + fMiterLimit = paint.getStrokeMiter(); + fCap = paint.getStrokeCap(); + fJoin = paint.getStrokeJoin(); +} + +SkStrokeRec::Style SkStrokeRec::getStyle() const { + if (fWidth < 0) { + return kFill_Style; + } else if (0 == fWidth) { + return kHairline_Style; + } else { + return fStrokeAndFill ? kStrokeAndFill_Style : kStroke_Style; + } +} + +void SkStrokeRec::setFillStyle() { + fWidth = kStrokeRec_FillStyleWidth; + fStrokeAndFill = false; +} + +void SkStrokeRec::setHairlineStyle() { + fWidth = 0; + fStrokeAndFill = false; +} + +void SkStrokeRec::setStrokeStyle(SkScalar width, bool strokeAndFill) { + if (strokeAndFill && (0 == width)) { + // hairline+fill == fill + this->setFillStyle(); + } else { + fWidth = width; + fStrokeAndFill = strokeAndFill; + } +} + +#include "SkStroke.h" + +bool SkStrokeRec::applyToPath(SkPath* dst, const SkPath& src) const { + if (fWidth <= 0) { // hairline or fill + return false; + } + + SkStroke stroker; + stroker.setCap(fCap); + stroker.setJoin(fJoin); + stroker.setMiterLimit(fMiterLimit); + stroker.setWidth(fWidth); + stroker.setDoFill(fStrokeAndFill); + stroker.strokePath(src, dst); + return true; +}