11cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger 21cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger/* 31cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger * Copyright 2011 Google Inc. 41cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger * 51cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger * Use of this source code is governed by a BSD-style license that can be 61cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger * found in the LICENSE file. 71cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger */ 80b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SampleCode.h" 90b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkView.h" 100b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkCanvas.h" 110b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkGradientShader.h" 120b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkGraphics.h" 130b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkImageDecoder.h" 140b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkPath.h" 150b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkRegion.h" 160b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkShader.h" 170b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkUtils.h" 180b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkXfermode.h" 190b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkColorPriv.h" 200b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkColorFilter.h" 210b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkTime.h" 220b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkTypeface.h" 230b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 240b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkOSFile.h" 250b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger#include "SkStream.h" 260b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 271cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger#include "SkGpuDevice.h" 281cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger 291cab2921ab279367f8206cdadc9259d12e603548Derek Sollenbergerstatic void make_bitmap(SkBitmap* bitmap, GrContext* ctx) { 301cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger SkCanvas canvas; 311cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger 321cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger if (ctx) { 331cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger SkDevice* dev = new SkGpuDevice(ctx, SkBitmap::kARGB_8888_Config, 64, 64); 341cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger canvas.setDevice(dev)->unref(); 351cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger *bitmap = dev->accessBitmap(false); 361cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger } else { 371cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger bitmap->setConfig(SkBitmap::kARGB_8888_Config, 64, 64); 381cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger bitmap->allocPixels(); 391cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger canvas.setBitmapDevice(*bitmap); 401cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger } 411cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger 420b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger canvas.drawColor(SK_ColorRED); 430b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger SkPaint paint; 440b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger paint.setAntiAlias(true); 450b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger const SkPoint pts[] = { { 0, 0 }, { 64, 64 } }; 460b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger const SkColor colors[] = { SK_ColorWHITE, SK_ColorBLUE }; 470b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger paint.setShader(SkGradientShader::CreateLinear(pts, colors, NULL, 2, 481cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger SkShader::kClamp_TileMode))->unref(); 490b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger canvas.drawCircle(32, 32, 32, paint); 500b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger} 510b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 520b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenbergerclass BitmapRectView : public SampleView { 530b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenbergerpublic: 540b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger BitmapRectView() { 550b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger this->setBGColor(SK_ColorGRAY); 560b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger } 570b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 580b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenbergerprotected: 590b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger // overrides from SkEventSink 600b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger virtual bool onQuery(SkEvent* evt) { 610b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger if (SampleCode::TitleQ(*evt)) { 620b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger SampleCode::TitleR(evt, "BitmapRect"); 630b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger return true; 640b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger } 650b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger return this->INHERITED::onQuery(evt); 660b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger } 670b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 680b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger virtual void onDrawContent(SkCanvas* canvas) { 691cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger GrContext* ctx = SampleCode::GetGr(); 701cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger 710b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger const SkIRect src[] = { 720b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger { 0, 0, 32, 32 }, 730b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger { 0, 0, 80, 80 }, 740b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger { 32, 32, 96, 96 }, 750b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger { -32, -32, 32, 32, } 760b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger }; 770b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 780b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger SkPaint paint; 790b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger paint.setStyle(SkPaint::kStroke_Style); 801cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger paint.setColor(ctx ? SK_ColorGREEN : SK_ColorYELLOW); 811cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger 821cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger SkBitmap bitmap; 831cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger make_bitmap(&bitmap, ctx); 840b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 850b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger SkRect dstR = { 0, 200, 128, 380 }; 860b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 870b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger canvas->translate(16, 40); 880b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger for (size_t i = 0; i < SK_ARRAY_COUNT(src); i++) { 890b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger SkRect srcR; 900b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger srcR.set(src[i]); 910b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 921cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger canvas->drawBitmap(bitmap, 0, 0, &paint); 931cab2921ab279367f8206cdadc9259d12e603548Derek Sollenberger canvas->drawBitmapRect(bitmap, &src[i], dstR, &paint); 940b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 950b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger canvas->drawRect(dstR, paint); 960b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger canvas->drawRect(srcR, paint); 970b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 980b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger canvas->translate(160, 0); 990b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger } 1000b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger } 1010b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 1020b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenbergerprivate: 1030b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger typedef SkView INHERITED; 1040b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger}; 1050b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 1060b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger////////////////////////////////////////////////////////////////////////////// 1070b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 1080b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenbergerstatic SkView* MyFactory() { return new BitmapRectView; } 1090b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenbergerstatic SkViewRegister reg(MyFactory); 1100b15698a8c76bb8abc1b555c1d91892669b4118fDerek Sollenberger 111