ea3f014e2b
sk_tool_utils doesn't really fit the naming convention the rest of code under tools/ tends to use. Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313 Auto-Submit: Mike Klein <mtklein@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
70 lines
2.7 KiB
C++
70 lines
2.7 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 "SkColorFilter.h"
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#include "SkMaskFilter.h"
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#include "SkPath.h"
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#include "ToolUtils.h"
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#include "gm.h"
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/**
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* This test exercises bug 1719. An anti-aliased blurred path is rendered through a soft clip. On
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* the GPU a scratch texture was used to hold the original path mask as well as the blurred path
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* result. The same texture is then incorrectly used to generate the soft clip mask for the draw.
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* Thus the same texture is used for both the blur mask and soft mask in a single draw.
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*
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* The correct image should look like a thin stroked round rect.
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*/
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DEF_SIMPLE_GM_BG(skbug1719, canvas, 300, 100, 0xFF303030) {
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canvas->translate(SkIntToScalar(-800), SkIntToScalar(-650));
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// The data is lifted from an SKP that exhibited the bug.
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// This is a round rect.
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SkPath clipPath;
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clipPath.moveTo(832.f, 654.f);
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clipPath.lineTo(1034.f, 654.f);
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clipPath.cubicTo(1038.4183f, 654.f, 1042.f, 657.58173f, 1042.f, 662.f);
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clipPath.lineTo(1042.f, 724.f);
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clipPath.cubicTo(1042.f, 728.41827f, 1038.4183f, 732.f, 1034.f, 732.f);
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clipPath.lineTo(832.f, 732.f);
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clipPath.cubicTo(827.58173f, 732.f, 824.f, 728.41827f, 824.f, 724.f);
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clipPath.lineTo(824.f, 662.f);
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clipPath.cubicTo(824.f, 657.58173f, 827.58173f, 654.f, 832.f, 654.f);
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clipPath.close();
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// This is a round rect nested inside a rect.
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SkPath drawPath;
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drawPath.moveTo(823.f, 653.f);
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drawPath.lineTo(1043.f, 653.f);
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drawPath.lineTo(1043.f, 733.f);
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drawPath.lineTo(823.f, 733.f);
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drawPath.lineTo(823.f, 653.f);
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drawPath.close();
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drawPath.moveTo(832.f, 654.f);
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drawPath.lineTo(1034.f, 654.f);
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drawPath.cubicTo(1038.4183f, 654.f, 1042.f, 657.58173f, 1042.f, 662.f);
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drawPath.lineTo(1042.f, 724.f);
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drawPath.cubicTo(1042.f, 728.41827f, 1038.4183f, 732.f, 1034.f, 732.f);
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drawPath.lineTo(832.f, 732.f);
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drawPath.cubicTo(827.58173f, 732.f, 824.f, 728.41827f, 824.f, 724.f);
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drawPath.lineTo(824.f, 662.f);
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drawPath.cubicTo(824.f, 657.58173f, 827.58173f, 654.f, 832.f, 654.f);
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drawPath.close();
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drawPath.setFillType(SkPath::kEvenOdd_FillType);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(0xFF000000);
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paint.setMaskFilter(
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SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 0.78867501f));
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paint.setColorFilter(SkColorFilter::MakeModeFilter(0xBFFFFFFF, SkBlendMode::kSrcIn));
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canvas->clipPath(clipPath, true);
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canvas->drawPath(drawPath, paint);
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}
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