66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
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// Copyright 2020 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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REG_FIDDLE(strokerect_gm, 1400, 740, false, 0) {
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void draw(SkCanvas* canvas) {
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constexpr SkScalar kStrokeWidth = 20;
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constexpr SkPaint::Join gJoins[] = {SkPaint::kMiter_Join, SkPaint::kRound_Join,
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SkPaint::kBevel_Join};
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constexpr SkScalar W = 80;
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constexpr SkScalar H = 80;
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constexpr SkRect gRects[] = {
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{0, 0, W, H},
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{W, 0, 0, H},
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{0, H, W, 0},
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{0, 0, kStrokeWidth, H},
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{0, 0, W, kStrokeWidth},
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{0, 0, kStrokeWidth / 2, kStrokeWidth / 2},
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{0, 0, W, 0},
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{0, 0, 0, H},
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{0, 0, 0, 0},
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{0, 0, W, FLT_EPSILON},
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{0, 0, FLT_EPSILON, H},
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{0, 0, FLT_EPSILON, FLT_EPSILON},
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};
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canvas->translate(kStrokeWidth * 3 / 2, kStrokeWidth * 3 / 2);
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for (int doFill = 0; doFill <= 1; ++doFill) {
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SkPaint::Style style = doFill ? SkPaint::kStrokeAndFill_Style : SkPaint::kStroke_Style;
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for (size_t i = 0; i < SK_ARRAY_COUNT(gJoins); ++i) {
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SkPaint::Join join = gJoins[i];
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for (size_t j = 0; j < SK_ARRAY_COUNT(gRects); ++j) {
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SkAutoCanvasRestore acr(canvas, true);
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canvas->translate(
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j * (W + 2 * kStrokeWidth),
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(i + doFill * SK_ARRAY_COUNT(gJoins)) * (H + 2 * kStrokeWidth));
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const SkRect& rect = gRects[j];
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SkPath path, fillPath;
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path.addRect(rect);
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SkPaint paint;
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paint.setStrokeWidth(kStrokeWidth);
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paint.setStyle(style);
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paint.setStrokeJoin(join);
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paint.getFillPath(path, &fillPath);
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paint.setAntiAlias(true);
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paint.setColor(0xFF8C8A8C);
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canvas->drawRect(rect, paint);
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(0);
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paint.setColor(SK_ColorRED);
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canvas->drawPath(fillPath, paint);
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paint.setStrokeWidth(3);
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paint.setStrokeJoin(SkPaint::kMiter_Join);
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int n = fillPath.countPoints();
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SkAutoTArray<SkPoint> points(n);
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fillPath.getPoints(points.get(), n);
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canvas->drawPoints(SkCanvas::kPoints_PointMode, n, points.get(), paint);
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}
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}
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}
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}
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} // END FIDDLE
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