| /* |
| * 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 "include/core/SkTileMode.h" |
| #include "tools/viewer/Slide.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, SkSamplingOptions())); |
| } |
| |
| class RepeatTileSlide : public Slide { |
| public: |
| RepeatTileSlide() { fName = "RepeatTile"; } |
| |
| void draw(SkCanvas* canvas) override { |
| canvas->clear(SK_ColorGRAY); |
| SkPaint paint; |
| make_paint(&paint, SkTileMode::kRepeat); |
| |
| // canvas->scale(SK_Scalar1*2, SK_Scalar1); |
| canvas->translate(SkIntToScalar(100), SkIntToScalar(100)); |
| canvas->drawPaint(paint); |
| } |
| |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_SLIDE( return new RepeatTileSlide(); ) |