| |
| /* |
| * 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 "SkGradientShader.h" |
| #include "SkGraphics.h" |
| #include "SkImageDecoder.h" |
| #include "SkPath.h" |
| #include "SkRegion.h" |
| #include "SkShader.h" |
| #include "SkUtils.h" |
| #include "SkXfermode.h" |
| #include "SkColorPriv.h" |
| #include "SkColorFilter.h" |
| #include "SkTime.h" |
| #include "SkTypeface.h" |
| |
| #include "SkOSFile.h" |
| #include "SkStream.h" |
| |
| #include "SkGpuDevice.h" |
| |
| static void make_bitmap(SkBitmap* bitmap, GrContext* ctx) { |
| SkCanvas canvas; |
| |
| if (ctx) { |
| SkDevice* dev = new SkGpuDevice(ctx, SkBitmap::kARGB_8888_Config, 64, 64); |
| canvas.setDevice(dev)->unref(); |
| *bitmap = dev->accessBitmap(false); |
| } else { |
| bitmap->setConfig(SkBitmap::kARGB_8888_Config, 64, 64); |
| bitmap->allocPixels(); |
| canvas.setBitmapDevice(*bitmap); |
| } |
| |
| canvas.drawColor(SK_ColorRED); |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| const SkPoint pts[] = { { 0, 0 }, { 64, 64 } }; |
| const SkColor colors[] = { SK_ColorWHITE, SK_ColorBLUE }; |
| paint.setShader(SkGradientShader::CreateLinear(pts, colors, NULL, 2, |
| SkShader::kClamp_TileMode))->unref(); |
| canvas.drawCircle(32, 32, 32, paint); |
| } |
| |
| class BitmapRectView : public SampleView { |
| public: |
| BitmapRectView() { |
| this->setBGColor(SK_ColorGRAY); |
| } |
| |
| protected: |
| // overrides from SkEventSink |
| virtual bool onQuery(SkEvent* evt) { |
| if (SampleCode::TitleQ(*evt)) { |
| SampleCode::TitleR(evt, "BitmapRect"); |
| return true; |
| } |
| return this->INHERITED::onQuery(evt); |
| } |
| |
| virtual void onDrawContent(SkCanvas* canvas) { |
| GrContext* ctx = NULL;//SampleCode::GetGr(); |
| |
| const SkIRect src[] = { |
| { 0, 0, 32, 32 }, |
| { 0, 0, 80, 80 }, |
| { 32, 32, 96, 96 }, |
| { -32, -32, 32, 32, } |
| }; |
| |
| SkPaint paint; |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setColor(ctx ? SK_ColorGREEN : SK_ColorYELLOW); |
| |
| SkBitmap bitmap; |
| make_bitmap(&bitmap, ctx); |
| |
| SkRect dstR = { 0, 200, 128, 380 }; |
| |
| canvas->translate(16, 40); |
| for (size_t i = 0; i < SK_ARRAY_COUNT(src); i++) { |
| SkRect srcR; |
| srcR.set(src[i]); |
| |
| canvas->drawBitmap(bitmap, 0, 0, &paint); |
| canvas->drawBitmapRect(bitmap, &src[i], dstR, &paint); |
| |
| canvas->drawRect(dstR, paint); |
| canvas->drawRect(srcR, paint); |
| |
| canvas->translate(160, 0); |
| } |
| } |
| |
| private: |
| typedef SkView INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| static SkView* MyFactory() { return new BitmapRectView; } |
| static SkViewRegister reg(MyFactory); |
| |