skia2/gm/filterbug.cpp
Ben Wagner 7fde8e1728 IWYU for gms.
This almost gets gms to be iwyu clean. The last bit is around gm.cpp
and the tracing framework and its use of atomic. Will also need a way
of keeping things from regressing, which is difficult due to needing to
do this outside-in.

Change-Id: I1393531e99da8b0f1a29f55c53c86d53f459af7d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211593
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2019-05-02 17:48:53 +00:00

112 lines
3.3 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkColorPriv.h"
#include "include/core/SkFilterQuality.h"
#include "include/core/SkImage.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkShader.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTileMode.h"
static const sk_sp<SkImage> make_image(int firstBlackRow, int lastBlackRow) {
static const int kWidth = 25;
static const int kHeight = 27;
SkBitmap bm;
bm.allocN32Pixels(kWidth, kHeight);
bm.eraseColor(SK_ColorWHITE);
for (int y = firstBlackRow; y < lastBlackRow; ++y) {
for (int x = 0; x < kWidth; ++x) {
*bm.getAddr32(x, y) = SkPackARGB32(0xFF, 0x0, 0x0, 0x0);
}
}
bm.setAlphaType(SkAlphaType::kOpaque_SkAlphaType);
bm.setImmutable();
return SkImage::MakeFromBitmap(bm);
}
// GM to reproduce crbug.com/673261.
class FilterBugGM : public skiagm::GM {
public:
FilterBugGM() { this->setBGColor(SK_ColorRED); }
protected:
SkString onShortName() override { return SkString("filterbug"); }
SkISize onISize() override { return SkISize::Make(150, 150); }
void onOnceBeforeDraw() override {
// The top texture has 5 black rows on top and then 22 white rows on the bottom
fTop = make_image(0, 5);
// The bottom texture has 5 black rows on the bottom and then 22 white rows on the top
fBot = make_image(22, 27);
}
void onDraw(SkCanvas* canvas) override {
static const SkFilterQuality kFilterQuality = SkFilterQuality::kHigh_SkFilterQuality;
static const bool kDoAA = true;
{
SkRect r1 = SkRect::MakeXYWH(50.0f, 0.0f, 50.0f, 50.0f);
SkPaint p1;
p1.setAntiAlias(kDoAA);
p1.setFilterQuality(kFilterQuality);
SkMatrix localMat;
localMat.setScaleTranslate(2.0f, 2.0f, 50.0f, 0.0f);
p1.setShader(fTop->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat, &localMat));
canvas->drawRect(r1, p1);
}
{
SkRect r2 = SkRect::MakeXYWH(50.0f, 50.0f, 50.0f, 36.0f);
SkPaint p2;
p2.setColor(SK_ColorWHITE);
p2.setAntiAlias(kDoAA);
p2.setFilterQuality(kFilterQuality);
canvas->drawRect(r2, p2);
}
{
SkRect r3 = SkRect::MakeXYWH(50.0f, 86.0f, 50.0f, 50.0f);
SkPaint p3;
p3.setAntiAlias(kDoAA);
p3.setFilterQuality(kFilterQuality);
SkMatrix localMat;
localMat.setScaleTranslate(2.0f, 2.0f, 50.0f, 86.0f);
p3.setShader(fBot->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat, &localMat));
canvas->drawRect(r3, p3);
}
}
private:
sk_sp<SkImage> fTop;
sk_sp<SkImage> fBot;
typedef skiagm::GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new FilterBugGM;)