| |
| /* |
| * 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 "SampleCode.h" |
| #include "SkView.h" |
| #include "SkCanvas.h" |
| #include "SkShader.h" |
| #include "SkKey.h" |
| |
| static void make_bitmap(SkBitmap* bm) { |
| const int W = 100; |
| const int H = 100; |
| bm->setConfig(SkBitmap::kARGB_8888_Config, W, H); |
| bm->allocPixels(); |
| |
| 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, SkShader::TileMode tm) { |
| SkBitmap bm; |
| make_bitmap(&bm); |
| |
| SkShader* shader = SkShader::CreateBitmapShader(bm, tm, tm); |
| paint->setShader(shader)->unref(); |
| } |
| |
| class RepeatTileView : public SampleView { |
| public: |
| RepeatTileView() { |
| this->setBGColor(SK_ColorGRAY); |
| } |
| |
| protected: |
| // overrides from SkEventSink |
| virtual bool onQuery(SkEvent* evt) { |
| if (SampleCode::TitleQ(*evt)) { |
| SampleCode::TitleR(evt, "RepeatTile"); |
| return true; |
| } |
| return this->INHERITED::onQuery(evt); |
| } |
| |
| virtual void onDrawContent(SkCanvas* canvas) { |
| SkPaint paint; |
| make_paint(&paint, SkShader::kRepeat_TileMode); |
| |
| // canvas->scale(SK_Scalar1*2, SK_Scalar1); |
| canvas->translate(SkIntToScalar(100), SkIntToScalar(100)); |
| canvas->drawPaint(paint); |
| } |
| |
| virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) SK_OVERRIDE { |
| this->inval(NULL); |
| |
| return this->INHERITED::onFindClickHandler(x, y, modi); |
| } |
| |
| virtual bool onClick(Click* click) { |
| return this->INHERITED::onClick(click); |
| } |
| |
| virtual bool handleKey(SkKey key) { |
| this->inval(NULL); |
| return true; |
| } |
| |
| private: |
| typedef SampleView INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static SkView* MyFactory() { return new RepeatTileView; } |
| static SkViewRegister reg(MyFactory); |
| |