skia2/gm/morphology.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

108 lines
3.3 KiB
C++

/*
* Copyright 2012 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/SkFont.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRect.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "include/effects/SkMorphologyImageFilter.h"
#include "tools/ToolUtils.h"
#define WIDTH 700
#define HEIGHT 560
namespace skiagm {
class MorphologyGM : public GM {
public:
MorphologyGM() {
this->setBGColor(0xFF000000);
}
protected:
SkString onShortName() override {
return SkString("morphology");
}
void onOnceBeforeDraw() override {
fBitmap.allocN32Pixels(135, 135);
SkCanvas canvas(fBitmap);
canvas.clear(0x0);
SkFont font(ToolUtils::create_portable_typeface(), 64.0f);
SkPaint paint;
paint.setColor(0xFFFFFFFF);
canvas.drawString("ABC", 10, 55, font, paint);
canvas.drawString("XYZ", 10, 110, font, paint);
}
SkISize onISize() override {
return SkISize::Make(WIDTH, HEIGHT);
}
void drawClippedBitmap(SkCanvas* canvas, const SkPaint& paint, int x, int y) {
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 {
struct {
int fWidth, fHeight;
int fRadiusX, fRadiusY;
} samples[] = {
{ 140, 140, 0, 0 },
{ 140, 140, 0, 2 },
{ 140, 140, 2, 0 },
{ 140, 140, 2, 2 },
{ 24, 24, 25, 25 },
};
SkPaint paint;
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(25, 20, 100, 80));
for (unsigned j = 0; j < 4; ++j) {
for (unsigned i = 0; i < SK_ARRAY_COUNT(samples); ++i) {
const SkImageFilter::CropRect* cr = j & 0x02 ? &cropRect : nullptr;
if (j & 0x01) {
paint.setImageFilter(SkErodeImageFilter::Make(samples[i].fRadiusX,
samples[i].fRadiusY,
nullptr,
cr));
} else {
paint.setImageFilter(SkDilateImageFilter::Make(samples[i].fRadiusX,
samples[i].fRadiusY,
nullptr,
cr));
}
this->drawClippedBitmap(canvas, paint, i * 140, j * 140);
}
}
}
private:
SkBitmap fBitmap;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new MorphologyGM;)
}