skia2/gm/crbug_899512.cpp
Brian Salomon 908bb23983 When outsetting for rect blur fast path use abs of scale factors.
Fixes an issue where negative scales caused an inset rather than an outset.

Add GM.

Bug: chromium:899512
Change-Id: I9164c76da479af80d4f5389b057ec52a946726fb
Reviewed-on: https://skia-review.googlesource.com/c/171641
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2018-11-19 15:35:42 +00:00

24 lines
734 B
C++

/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBlurMaskFilter.h"
#include "SkCanvas.h"
#include "SkColorFilter.h"
#include "SkLayerDrawLooper.h"
#include "gm.h"
DEF_SIMPLE_GM(crbug_899512, canvas, 520, 520) {
// comment this line below to solve the problem
SkMatrix matrix;
matrix.setAll(-1, 0, 220, 0, 1, 0, 0, 0, 1);
canvas->concat(matrix);
SkPaint paint;
paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 6.2735f, false));
paint.setColorFilter(SkColorFilter::MakeModeFilter(SK_ColorBLACK, SkBlendMode::kSrcIn));
canvas->drawRect(SkRect::MakeXYWH(0, 10, 200, 200), paint);
}