huangcm
2024-12-18 9d29be7f7249789d6ffd0440067187a9f040c2cd
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// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
 
#include "gm.h"
 
#include "SkLumaColorFilter.h"
 
// PDF backend should produce correct results.
DEF_SIMPLE_GM(crbug_918512, canvas, 256, 256) {
    canvas->drawColor(SK_ColorYELLOW);
    {
        SkAutoCanvasRestore autoCanvasRestore1(canvas, false);
        canvas->saveLayer(nullptr, nullptr);
        canvas->drawColor(SK_ColorCYAN);
        {
            SkAutoCanvasRestore autoCanvasRestore2(canvas, false);
            SkPaint lumaFilter;
            lumaFilter.setBlendMode(SkBlendMode::kDstIn);
            lumaFilter.setColorFilter(SkLumaColorFilter::Make());
            canvas->saveLayer(nullptr, &lumaFilter);
 
            canvas->drawColor(SK_ColorTRANSPARENT);
            SkPaint paint;
            paint.setColor(SK_ColorGRAY);
            canvas->drawRect(SkRect{0, 0, 128, 256}, paint);
        }
    }
}