45a75fb4d0
Add an option to SkCanvas to turn on path ops when combining clips. Allow Op() to use one of the input paths as an output path. Fix a bug in Op() when the minuend is empty and the subtrahend is not (for difference). Change the build to allow core to depend on pathops. Review URL: https://codereview.chromium.org/14474002 git-svn-id: http://skia.googlecode.com/svn/trunk@8855 2bbb7eff-a529-9590-31e7-b0007b416f81
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkClipStack.h"
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#include "SkDevice.h"
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#include "SkPath.h"
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#include "SkPathOps.h"
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#include "SkPicture.h"
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#include "SkRect.h"
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namespace skiagm {
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class PathOpsSkpClipGM : public GM {
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public:
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PathOpsSkpClipGM() {
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}
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protected:
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virtual SkString onShortName() SK_OVERRIDE {
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return SkString("pathopsskpclip");
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}
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virtual SkISize onISize() SK_OVERRIDE {
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return make_isize(1200, 900);
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkPicture* pict = SkNEW(SkPicture);
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SkCanvas* rec = pict->beginRecording(1200, 900);
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SkPath p;
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SkRect r = {
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SkIntToScalar(100),
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SkIntToScalar(200),
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SkIntToScalar(400),
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SkIntToScalar(700)
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};
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p.addRoundRect(r, SkIntToScalar(50), SkIntToScalar(50));
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rec->clipPath(p, SkRegion::kIntersect_Op, true);
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rec->translate(SkIntToScalar(250), SkIntToScalar(250));
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rec->clipPath(p, SkRegion::kIntersect_Op, true);
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rec->drawColor(0xffff0000);
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pict->endRecording();
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canvas->setAllowSimplifyClip(true);
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canvas->save();
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canvas->drawPicture(*pict);
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canvas->restore();
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canvas->setAllowSimplifyClip(false);
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canvas->save();
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canvas->translate(SkIntToScalar(1200 / 2), 0);
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canvas->drawPicture(*pict);
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canvas->restore();
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SkSafeUnref(pict);
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}
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private:
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static GM* MyFactory(void*) { return new PathOpsSkpClipGM; }
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static GMRegistry reg(MyFactory);
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}
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