60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkBitmap.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkShader.h"
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#include "tools/viewer/Slide.h"
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static void make_bitmap(SkBitmap* bm) {
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const int W = 100;
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const int H = 100;
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bm->allocN32Pixels(W, H);
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SkPaint paint;
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SkCanvas canvas(*bm);
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canvas.drawColor(SK_ColorWHITE);
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const SkColor colors[] = {
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SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE
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};
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for (int ix = 0; ix < W; ix += 1) {
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SkScalar x = SkIntToScalar(ix) + SK_ScalarHalf;
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paint.setColor(colors[ix & 3]);
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canvas.drawLine(x, 0, x, SkIntToScalar(H - 1), paint);
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}
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paint.setColor(SK_ColorGRAY);
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canvas.drawLine(0, 0, SkIntToScalar(W), 0, paint);
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}
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static void make_paint(SkPaint* paint, SkTileMode tm) {
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SkBitmap bm;
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make_bitmap(&bm);
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paint->setShader(bm.makeShader(tm, tm, SkSamplingOptions()));
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}
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class RepeatTileSlide : public Slide {
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public:
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RepeatTileSlide() { fName = "RepeatTile"; }
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void draw(SkCanvas* canvas) override {
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canvas->clear(SK_ColorGRAY);
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SkPaint paint;
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make_paint(&paint, SkTileMode::kRepeat);
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// canvas->scale(SK_Scalar1*2, SK_Scalar1);
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canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
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canvas->drawPaint(paint);
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}
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_SLIDE( return new RepeatTileSlide(); )
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