1fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/* 2fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Copyright 2011 Google Inc. 3fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * 4fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Use of this source code is governed by a BSD-style license that can be 5fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * found in the LICENSE file. 6fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot */ 7fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 8fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SampleCode.h" 9fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkView.h" 10fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkBitmap.h" 11fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkCanvas.h" 12fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkPaint.h" 13fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkPath.h" 14fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkPictureRecorder.h" 15fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkRegion.h" 16fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkShader.h" 17fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkUtils.h" 18fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkColorPriv.h" 19fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkColorFilter.h" 20fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkPicture.h" 21fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkTypeface.h" 22fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 23fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot// effects 24fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkGradientShader.h" 25fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkBlurMask.h" 26fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkBlurDrawLooper.h" 27fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 28fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic void makebm(SkBitmap* bm, SkColorType ct, int w, int h) { 29fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot bm->allocPixels(SkImageInfo::Make(w, h, ct, kPremul_SkAlphaType)); 30fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot bm->eraseColor(SK_ColorTRANSPARENT); 31fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 32fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkCanvas canvas(*bm); 33fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(w), SkIntToScalar(h) } }; 34fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE }; 35fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar pos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; 36fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint paint; 37fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 38fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setDither(true); 39fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setShader(SkGradientShader::MakeLinear(pts, colors, pos, 40fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode)); 41fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas.drawPaint(paint); 42fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 43fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 44fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic void setup(SkPaint* paint, const SkBitmap& bm, bool filter, 45fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkShader::TileMode tmx, SkShader::TileMode tmy) { 46fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint->setShader(SkShader::MakeBitmapShader(bm, tmx, tmy)); 47fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint->setFilterQuality(filter ? kLow_SkFilterQuality : kNone_SkFilterQuality); 48fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 49fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 50fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic const SkColorType gColorTypes[] = { 51fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot kN32_SkColorType, 52fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot kRGB_565_SkColorType, 53fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot}; 54fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic const int gWidth = 32; 55fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic const int gHeight = 32; 56fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 57fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotclass TilingView : public SampleView { 58fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkPicture> fTextPicture; 59fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkDrawLooper> fLooper; 60fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotpublic: 61fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot TilingView() 62fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot : fLooper(SkBlurDrawLooper::Make(0x88000000, 63fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(1)), 64fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkIntToScalar(2), SkIntToScalar(2))) { 65fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) { 66fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot makebm(&fTexture[i], gColorTypes[i], gWidth, gHeight); 67fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 68fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 69fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 70fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot virtual ~TilingView() { 71fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 72fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 73fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkBitmap fTexture[SK_ARRAY_COUNT(gColorTypes)]; 74fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 75fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotprotected: 76fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // overrides from SkEventSink 77fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot virtual bool onQuery(SkEvent* evt) { 78fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (SampleCode::TitleQ(*evt)) { 79fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SampleCode::TitleR(evt, "Tiling"); 80fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return true; 81fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 82fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return this->INHERITED::onQuery(evt); 83fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 84fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 85fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot virtual void onDrawContent(SkCanvas* canvas) { 86fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkRect r = { 0, 0, SkIntToScalar(gWidth*2), SkIntToScalar(gHeight*2) }; 87fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 88fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot static const char* gConfigNames[] = { "8888", "565", "4444" }; 89fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 90fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot static const bool gFilters[] = { false, true }; 91fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot static const char* gFilterNames[] = { "point", "bilinear" }; 92fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 93fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode }; 94fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot static const char* gModeNames[] = { "C", "R", "M" }; 95fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 96fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar y = SkIntToScalar(24); 97fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar x = SkIntToScalar(10); 98fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 99fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPictureRecorder recorder; 100fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkCanvas* textCanvas = nullptr; 101fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (nullptr == fTextPicture) { 102fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot textCanvas = recorder.beginRecording(1000, 1000, nullptr, 0); 103fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 104fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 105fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (textCanvas) { 106fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 107fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 108fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint p; 109fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkString str; 110fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot p.setAntiAlias(true); 111fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot p.setDither(true); 112fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot p.setLooper(fLooper); 113fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]); 114fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 115fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot p.setTextAlign(SkPaint::kCenter_Align); 116fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot textCanvas->drawString(str, x + r.width()/2, y, p); 117fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 118fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot x += r.width() * 4 / 3; 119fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 120fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 121fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 122fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 123fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot y += SkIntToScalar(16); 124fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 125fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) { 126fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) { 127fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot x = SkIntToScalar(10); 128fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 129fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 130fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint paint; 131fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]); 132fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setDither(true); 133fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 134fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->save(); 135fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(x, y); 136fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawRect(r, paint); 137fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->restore(); 138fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 139fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot x += r.width() * 4 / 3; 140fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 141fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 142fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (textCanvas) { 143fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint p; 144fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkString str; 145fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot p.setAntiAlias(true); 146fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot p.setLooper(fLooper); 147fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot str.printf("%s, %s", gConfigNames[i], gFilterNames[j]); 148fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot textCanvas->drawString(str, x, y + r.height() * 2 / 3, p); 149fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 150fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 151fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot y += r.height() * 4 / 3; 152fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 153fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 154fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 155fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot if (textCanvas) { 156fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkASSERT(nullptr == fTextPicture); 157fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot fTextPicture = recorder.finishRecordingAsPicture(); 158fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 159fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 160fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkASSERT(fTextPicture); 161fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawPicture(fTextPicture.get()); 162fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 163fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 164fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotprivate: 165fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot typedef SampleView INHERITED; 166fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot}; 167fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 168fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot////////////////////////////////////////////////////////////////////////////// 169fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 170fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic SkView* MyFactory() { return new TilingView; } 171fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotstatic SkViewRegister reg(MyFactory); 172