skia2/gm/displacement.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

218 lines
10 KiB
C++

/*
* Copyright 2013 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/SkImage.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/effects/SkDisplacementMapEffect.h"
#include "include/effects/SkImageSource.h"
#include "tools/ToolUtils.h"
#include <utility>
namespace skiagm {
class DisplacementMapGM : public GM {
public:
DisplacementMapGM() {
this->setBGColor(0xFF000000);
}
protected:
SkString onShortName() override {
return SkString("displacement");
}
void onOnceBeforeDraw() override {
fBitmap = ToolUtils::create_string_bitmap(80, 80, 0xFF884422, 15, 55, 96, "g");
SkColor c1 = ToolUtils::color_to_565(0xFF244484);
SkColor c2 = ToolUtils::color_to_565(0xFF804020);
fCheckerboard =
SkImage::MakeFromBitmap(ToolUtils::create_checkerboard_bitmap(80, 80, c1, c2, 8));
fSmall = SkImage::MakeFromBitmap(ToolUtils::create_checkerboard_bitmap(64, 64, c1, c2, 8));
fLarge = SkImage::MakeFromBitmap(ToolUtils::create_checkerboard_bitmap(96, 96, c1, c2, 8));
fLargeW = SkImage::MakeFromBitmap(ToolUtils::create_checkerboard_bitmap(96, 64, c1, c2, 8));
fLargeH = SkImage::MakeFromBitmap(ToolUtils::create_checkerboard_bitmap(64, 96, c1, c2, 8));
}
SkISize onISize() override {
return SkISize::Make(600, 500);
}
void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint) const {
canvas->save();
canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
canvas->clipRect(SkRect::MakeWH(SkIntToScalar(fBitmap.width()), SkIntToScalar(fBitmap.height())));
canvas->drawBitmap(fBitmap, 0, 0, &paint);
canvas->restore();
}
void onDraw(SkCanvas* canvas) override {
canvas->clear(SK_ColorBLACK);
SkPaint paint;
sk_sp<SkImageFilter> displ(SkImageSource::Make(fCheckerboard));
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 0, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 100, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType, 32.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 200, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 48.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 300, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 64.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 400, 0, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType, 40.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 0, 100, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 100, 100, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType, 40.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 200, 100, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 300, 100, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType, 40.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 400, 100, paint);
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(30, 30, 40, 40));
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType,
0.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 0, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
16.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 100, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType,
32.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 200, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
48.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 300, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
64.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 400, 200, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType,
40.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 0, 300, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 100, 300, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType,
40.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 200, 300, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 300, 300, paint);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, displ, nullptr, &cropRect));
this->drawClippedBitmap(canvas, 400, 300, paint);
// Test for negative scale.
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
-40.0f, displ, nullptr));
this->drawClippedBitmap(canvas, 500, 0, paint);
// Tests for images of different sizes
displ = SkImageSource::Make(fSmall);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kG_ChannelSelectorType,
40.0f, std::move(displ), nullptr));
this->drawClippedBitmap(canvas, 0, 400, paint);
displ = SkImageSource::Make(fLarge);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kB_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, std::move(displ), nullptr));
this->drawClippedBitmap(canvas, 100, 400, paint);
displ = SkImageSource::Make(fLargeW);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kR_ChannelSelectorType,
SkDisplacementMapEffect::kB_ChannelSelectorType,
40.0f, std::move(displ), nullptr));
this->drawClippedBitmap(canvas, 200, 400, paint);
displ = SkImageSource::Make(fLargeH);
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, std::move(displ), nullptr));
this->drawClippedBitmap(canvas, 300, 400, paint);
// Test for no given displacement input. In this case, both displacement
// and color should use the same bitmap, given to SkCanvas::drawBitmap()
// as an input argument.
paint.setImageFilter(SkDisplacementMapEffect::Make(
SkDisplacementMapEffect::kG_ChannelSelectorType,
SkDisplacementMapEffect::kA_ChannelSelectorType,
40.0f, nullptr, nullptr));
this->drawClippedBitmap(canvas, 400, 400, paint);
}
private:
SkBitmap fBitmap;
sk_sp<SkImage> fCheckerboard, fSmall, fLarge, fLargeW, fLargeH;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new DisplacementMapGM;)
}