52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
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/*
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* Copyright 2015 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 "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkRect.h"
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#include "Test.h"
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static bool has_green_pixels(const SkBitmap& bm) {
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for (int j = 0; j < bm.height(); ++j) {
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for (int i = 0; i < bm.width(); ++i) {
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if (SkColorGetG(bm.getColor(i, j))) {
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return true;
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}
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}
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}
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return false;
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}
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static void test_stroke_width_clipping(skiatest::Reporter* reporter) {
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SkBitmap bm;
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bm.allocN32Pixels(100, 10);
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bm.eraseColor(SK_ColorTRANSPARENT);
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SkCanvas canvas(bm);
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SkPaint paint;
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(10);
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paint.setColor(0xff00ff00);
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// clip out the left half of our canvas
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canvas.clipRect(SkRect::MakeXYWH(51, 0, 49, 100));
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// no stroke bleed should be visible
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canvas.drawRect(SkRect::MakeWH(44, 100), paint);
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REPORTER_ASSERT(reporter, !has_green_pixels(bm));
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// right stroke edge should bleed into the visible area
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canvas.scale(2, 2);
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canvas.drawRect(SkRect::MakeWH(22, 50), paint);
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REPORTER_ASSERT(reporter, has_green_pixels(bm));
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}
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DEF_TEST(Rect, reporter) {
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test_stroke_width_clipping(reporter);
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}
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