skia2/samplecode/SampleRepeatTile.cpp
Hal Canary 8a027312cd Samples: add name() virtual
Change-Id: I9b6e39bc7e35346bb73dfe014de1c8daa5a92f2a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225428
Auto-Submit: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
2019-07-03 17:41:16 +00:00

66 lines
1.6 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkShader.h"
#include "samplecode/Sample.h"
static void make_bitmap(SkBitmap* bm) {
const int W = 100;
const int H = 100;
bm->allocN32Pixels(W, H);
SkPaint paint;
SkCanvas canvas(*bm);
canvas.drawColor(SK_ColorWHITE);
const SkColor colors[] = {
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE
};
for (int ix = 0; ix < W; ix += 1) {
SkScalar x = SkIntToScalar(ix) + SK_ScalarHalf;
paint.setColor(colors[ix & 3]);
canvas.drawLine(x, 0, x, SkIntToScalar(H - 1), paint);
}
paint.setColor(SK_ColorGRAY);
canvas.drawLine(0, 0, SkIntToScalar(W), 0, paint);
}
static void make_paint(SkPaint* paint, SkTileMode tm) {
SkBitmap bm;
make_bitmap(&bm);
paint->setShader(bm.makeShader(tm, tm));
}
class RepeatTileView : public Sample {
public:
RepeatTileView() {
this->setBGColor(SK_ColorGRAY);
}
protected:
SkString name() override { return SkString("RepeatTile"); }
void onDrawContent(SkCanvas* canvas) override {
SkPaint paint;
make_paint(&paint, SkTileMode::kRepeat);
// canvas->scale(SK_Scalar1*2, SK_Scalar1);
canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
canvas->drawPaint(paint);
}
private:
typedef Sample INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_SAMPLE( return new RepeatTileView(); )