From 322878907f6c5c5fb8abdbce7d348a3cd66ff2fa Mon Sep 17 00:00:00 2001 From: "reed@google.com" Date: Wed, 5 Oct 2011 16:27:44 +0000 Subject: check-point for aaclip git-svn-id: http://skia.googlecode.com/svn/trunk@2413 2bbb7eff-a529-9590-31e7-b0007b416f81 --- samplecode/SampleAAClip.cpp | 94 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 samplecode/SampleAAClip.cpp (limited to 'samplecode/SampleAAClip.cpp') diff --git a/samplecode/SampleAAClip.cpp b/samplecode/SampleAAClip.cpp new file mode 100644 index 0000000000..dd6af09253 --- /dev/null +++ b/samplecode/SampleAAClip.cpp @@ -0,0 +1,94 @@ + +/* + * Copyright 2011 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SampleCode.h" +#include "SkView.h" +#include "SkCanvas.h" +#include "SkAAClip.h" + +static void drawClip(SkCanvas* canvas, const SkAAClip& clip) { + SkMask mask; + SkBitmap bm; + + clip.copyToMask(&mask); + bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(), + mask.fBounds.height(), mask.fRowBytes); + bm.setPixels(mask.fImage); + + SkPaint paint; + canvas->drawBitmap(bm, mask.fBounds.fLeft, mask.fBounds.fTop, &paint); +} + +class AAClipView : public SampleView { +public: + AAClipView() { + } + +protected: + // overrides from SkEventSink + virtual bool onQuery(SkEvent* evt) { + if (SampleCode::TitleQ(*evt)) { + SampleCode::TitleR(evt, "AAClip"); + return true; + } + return this->INHERITED::onQuery(evt); + } + + virtual void onDrawContent(SkCanvas* canvas) { +#if 1 + SkAAClip aaclip; + SkPath path; + SkRect bounds; + + bounds.set(0, 0, 20, 20); + bounds.inset(SK_ScalarHalf, SK_ScalarHalf); + +// path.addRect(bounds); +// path.addOval(bounds); + path.addRoundRect(bounds, 4, 4); + aaclip.setPath(path); + canvas->translate(30, 30); + drawClip(canvas, aaclip); + + SkAAClip aaclip2; + path.offset(10, 10); + aaclip2.setPath(path); + canvas->translate(30, 0); + drawClip(canvas, aaclip2); + + SkAAClip aaclip3; + aaclip3.op(aaclip, aaclip2, SkRegion::kIntersect_Op); + canvas->translate(30, 0); + drawClip(canvas, aaclip3); + +#endif + +#if 0 + SkRect r; + r.set(0, 0, this->width(), this->height()); + r.inset(20, 20); + canvas->clipRect(r); + + SkPath path; + path.addRect(r); + SkPaint paint; + paint.setAntiAlias(true); + paint.setColor(SK_ColorRED); + canvas->drawPath(path, paint); +#endif + } + +private: + typedef SkView INHERITED; +}; + +////////////////////////////////////////////////////////////////////////////// + +static SkView* MyFactory() { return new AAClipView; } +static SkViewRegister reg(MyFactory); + -- cgit v1.2.3