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- /*
- * 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 "gm/gm.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkPath.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkScalar.h"
- #include "include/core/SkTypes.h"
- #include "include/utils/SkRandom.h"
- static void test_hittest(SkCanvas* canvas, const SkPath& path) {
- SkPaint paint;
- SkRect r = path.getBounds();
- paint.setColor(SK_ColorRED);
- canvas->drawPath(path, paint);
- const SkScalar MARGIN = SkIntToScalar(4);
- paint.setColor(0x800000FF);
- for (SkScalar y = r.fTop + SK_ScalarHalf - MARGIN; y < r.fBottom + MARGIN; y += SK_Scalar1) {
- for (SkScalar x = r.fLeft + SK_ScalarHalf - MARGIN; x < r.fRight + MARGIN; x += SK_Scalar1) {
- if (path.contains(x, y)) {
- canvas->drawPoint(x, y, paint);
- }
- }
- }
- }
- DEF_SIMPLE_GM(hittestpath, canvas, 700, 460) {
- SkPath path;
- SkRandom rand;
- int scale = 300;
- for (int i = 0; i < 4; ++i) {
- // get the random values deterministically
- SkScalar randoms[12];
- for (int index = 0; index < (int) SK_ARRAY_COUNT(randoms); ++index) {
- randoms[index] = rand.nextUScalar1();
- }
- path.lineTo(randoms[0] * scale, randoms[1] * scale);
- path.quadTo(randoms[2] * scale, randoms[3] * scale,
- randoms[4] * scale, randoms[5] * scale);
- path.cubicTo(randoms[6] * scale, randoms[7] * scale,
- randoms[8] * scale, randoms[9] * scale,
- randoms[10] * scale, randoms[11] * scale);
- }
- path.setFillType(SkPath::kEvenOdd_FillType);
- path.offset(SkIntToScalar(20), SkIntToScalar(20));
- test_hittest(canvas, path);
- canvas->translate(SkIntToScalar(scale), 0);
- path.setFillType(SkPath::kWinding_FillType);
- test_hittest(canvas, path);
- }
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