1*c8dee2aaSAndroid Build Coastguard Worker /* 2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2015 Google Inc. 3*c8dee2aaSAndroid Build Coastguard Worker * 4*c8dee2aaSAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license that can be 5*c8dee2aaSAndroid Build Coastguard Worker * found in the LICENSE file. 6*c8dee2aaSAndroid Build Coastguard Worker */ 7*c8dee2aaSAndroid Build Coastguard Worker 8*c8dee2aaSAndroid Build Coastguard Worker #include "gm/gm.h" 9*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkBlurTypes.h" 10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkCanvas.h" 11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkColor.h" 12*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkColorSpace.h" 13*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkFont.h" 14*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkFontTypes.h" 15*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkImageInfo.h" 16*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkMaskFilter.h" 17*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkPaint.h" 18*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRect.h" 19*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h" 20*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkScalar.h" 21*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkSize.h" 22*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkString.h" 23*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkSurface.h" 24*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkSurfaceProps.h" 25*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTextBlob.h" 26*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTypeface.h" 27*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTypes.h" 28*c8dee2aaSAndroid Build Coastguard Worker #include "include/gpu/GpuTypes.h" 29*c8dee2aaSAndroid Build Coastguard Worker #include "include/gpu/ganesh/SkSurfaceGanesh.h" 30*c8dee2aaSAndroid Build Coastguard Worker #if defined(SK_GRAPHITE) 31*c8dee2aaSAndroid Build Coastguard Worker #include "include/gpu/graphite/Surface.h" 32*c8dee2aaSAndroid Build Coastguard Worker #endif 33*c8dee2aaSAndroid Build Coastguard Worker #include "src/base/SkRandom.h" 34*c8dee2aaSAndroid Build Coastguard Worker #include "src/core/SkBlurMask.h" 35*c8dee2aaSAndroid Build Coastguard Worker #include "tools/Resources.h" 36*c8dee2aaSAndroid Build Coastguard Worker #include "tools/ToolUtils.h" 37*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fonts/FontToolUtils.h" 38*c8dee2aaSAndroid Build Coastguard Worker 39*c8dee2aaSAndroid Build Coastguard Worker #include <string.h> 40*c8dee2aaSAndroid Build Coastguard Worker 41*c8dee2aaSAndroid Build Coastguard Worker namespace skiagm { 42*c8dee2aaSAndroid Build Coastguard Worker class TextBlobMixedSizes : public GM { 43*c8dee2aaSAndroid Build Coastguard Worker public: 44*c8dee2aaSAndroid Build Coastguard Worker // This gm tests that textblobs of mixed sizes with a large glyph will render properly TextBlobMixedSizes(bool useDFT)45*c8dee2aaSAndroid Build Coastguard Worker TextBlobMixedSizes(bool useDFT) : fUseDFT(useDFT) {} 46*c8dee2aaSAndroid Build Coastguard Worker 47*c8dee2aaSAndroid Build Coastguard Worker protected: onOnceBeforeDraw()48*c8dee2aaSAndroid Build Coastguard Worker void onOnceBeforeDraw() override { 49*c8dee2aaSAndroid Build Coastguard Worker SkTextBlobBuilder builder; 50*c8dee2aaSAndroid Build Coastguard Worker 51*c8dee2aaSAndroid Build Coastguard Worker // make textblob. To stress distance fields, we choose sizes appropriately 52*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkTypeface> tf = ToolUtils::CreateTypefaceFromResource("fonts/HangingS.ttf"); 53*c8dee2aaSAndroid Build Coastguard Worker if (!tf) { 54*c8dee2aaSAndroid Build Coastguard Worker tf = ToolUtils::DefaultPortableTypeface(); 55*c8dee2aaSAndroid Build Coastguard Worker } 56*c8dee2aaSAndroid Build Coastguard Worker SkFont font(tf, 262); 57*c8dee2aaSAndroid Build Coastguard Worker font.setSubpixel(true); 58*c8dee2aaSAndroid Build Coastguard Worker font.setEdging(SkFont::Edging::kSubpixelAntiAlias); 59*c8dee2aaSAndroid Build Coastguard Worker 60*c8dee2aaSAndroid Build Coastguard Worker const char* text = "Skia"; 61*c8dee2aaSAndroid Build Coastguard Worker 62*c8dee2aaSAndroid Build Coastguard Worker ToolUtils::add_to_text_blob(&builder, text, font, 0, 0); 63*c8dee2aaSAndroid Build Coastguard Worker 64*c8dee2aaSAndroid Build Coastguard Worker // large 65*c8dee2aaSAndroid Build Coastguard Worker SkRect bounds; 66*c8dee2aaSAndroid Build Coastguard Worker font.measureText(text, strlen(text), SkTextEncoding::kUTF8, &bounds); 67*c8dee2aaSAndroid Build Coastguard Worker SkScalar yOffset = bounds.height(); 68*c8dee2aaSAndroid Build Coastguard Worker font.setSize(162); 69*c8dee2aaSAndroid Build Coastguard Worker 70*c8dee2aaSAndroid Build Coastguard Worker ToolUtils::add_to_text_blob(&builder, text, font, 0, yOffset); 71*c8dee2aaSAndroid Build Coastguard Worker 72*c8dee2aaSAndroid Build Coastguard Worker // Medium 73*c8dee2aaSAndroid Build Coastguard Worker font.measureText(text, strlen(text), SkTextEncoding::kUTF8, &bounds); 74*c8dee2aaSAndroid Build Coastguard Worker yOffset += bounds.height(); 75*c8dee2aaSAndroid Build Coastguard Worker font.setSize(72); 76*c8dee2aaSAndroid Build Coastguard Worker 77*c8dee2aaSAndroid Build Coastguard Worker ToolUtils::add_to_text_blob(&builder, text, font, 0, yOffset); 78*c8dee2aaSAndroid Build Coastguard Worker 79*c8dee2aaSAndroid Build Coastguard Worker // Small 80*c8dee2aaSAndroid Build Coastguard Worker font.measureText(text, strlen(text), SkTextEncoding::kUTF8, &bounds); 81*c8dee2aaSAndroid Build Coastguard Worker yOffset += bounds.height(); 82*c8dee2aaSAndroid Build Coastguard Worker font.setSize(32); 83*c8dee2aaSAndroid Build Coastguard Worker 84*c8dee2aaSAndroid Build Coastguard Worker ToolUtils::add_to_text_blob(&builder, text, font, 0, yOffset); 85*c8dee2aaSAndroid Build Coastguard Worker 86*c8dee2aaSAndroid Build Coastguard Worker // micro (will fall out of distance field text even if distance field text is enabled) 87*c8dee2aaSAndroid Build Coastguard Worker font.measureText(text, strlen(text), SkTextEncoding::kUTF8, &bounds); 88*c8dee2aaSAndroid Build Coastguard Worker yOffset += bounds.height(); 89*c8dee2aaSAndroid Build Coastguard Worker font.setSize(14); 90*c8dee2aaSAndroid Build Coastguard Worker 91*c8dee2aaSAndroid Build Coastguard Worker ToolUtils::add_to_text_blob(&builder, text, font, 0, yOffset); 92*c8dee2aaSAndroid Build Coastguard Worker 93*c8dee2aaSAndroid Build Coastguard Worker // Zero size. 94*c8dee2aaSAndroid Build Coastguard Worker font.measureText(text, strlen(text), SkTextEncoding::kUTF8, &bounds); 95*c8dee2aaSAndroid Build Coastguard Worker yOffset += bounds.height(); 96*c8dee2aaSAndroid Build Coastguard Worker font.setSize(0); 97*c8dee2aaSAndroid Build Coastguard Worker 98*c8dee2aaSAndroid Build Coastguard Worker ToolUtils::add_to_text_blob(&builder, text, font, 0, yOffset); 99*c8dee2aaSAndroid Build Coastguard Worker 100*c8dee2aaSAndroid Build Coastguard Worker // build 101*c8dee2aaSAndroid Build Coastguard Worker fBlob = builder.make(); 102*c8dee2aaSAndroid Build Coastguard Worker } 103*c8dee2aaSAndroid Build Coastguard Worker getName() const104*c8dee2aaSAndroid Build Coastguard Worker SkString getName() const override { 105*c8dee2aaSAndroid Build Coastguard Worker return SkStringPrintf("textblobmixedsizes%s", 106*c8dee2aaSAndroid Build Coastguard Worker fUseDFT ? "_df" : ""); 107*c8dee2aaSAndroid Build Coastguard Worker } 108*c8dee2aaSAndroid Build Coastguard Worker getISize()109*c8dee2aaSAndroid Build Coastguard Worker SkISize getISize() override { return SkISize::Make(kWidth, kHeight); } 110*c8dee2aaSAndroid Build Coastguard Worker onDraw(SkCanvas * inputCanvas)111*c8dee2aaSAndroid Build Coastguard Worker void onDraw(SkCanvas* inputCanvas) override { 112*c8dee2aaSAndroid Build Coastguard Worker SkCanvas* canvas = inputCanvas; 113*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkSurface> surface; 114*c8dee2aaSAndroid Build Coastguard Worker if (fUseDFT) { 115*c8dee2aaSAndroid Build Coastguard Worker // Create a new Canvas to enable DFT 116*c8dee2aaSAndroid Build Coastguard Worker auto ctx = inputCanvas->recordingContext(); 117*c8dee2aaSAndroid Build Coastguard Worker #if defined(SK_GRAPHITE) 118*c8dee2aaSAndroid Build Coastguard Worker auto recorder = inputCanvas->recorder(); 119*c8dee2aaSAndroid Build Coastguard Worker #endif 120*c8dee2aaSAndroid Build Coastguard Worker SkISize size = this->getISize(); 121*c8dee2aaSAndroid Build Coastguard Worker if (!inputCanvas->getBaseLayerSize().isEmpty()) { 122*c8dee2aaSAndroid Build Coastguard Worker size = inputCanvas->getBaseLayerSize(); 123*c8dee2aaSAndroid Build Coastguard Worker } 124*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkColorSpace> colorSpace = inputCanvas->imageInfo().refColorSpace(); 125*c8dee2aaSAndroid Build Coastguard Worker SkImageInfo info = SkImageInfo::MakeN32(size.width(), size.height(), 126*c8dee2aaSAndroid Build Coastguard Worker kPremul_SkAlphaType, colorSpace); 127*c8dee2aaSAndroid Build Coastguard Worker SkSurfaceProps inputProps; 128*c8dee2aaSAndroid Build Coastguard Worker inputCanvas->getProps(&inputProps); 129*c8dee2aaSAndroid Build Coastguard Worker SkSurfaceProps props( 130*c8dee2aaSAndroid Build Coastguard Worker SkSurfaceProps::kUseDeviceIndependentFonts_Flag | inputProps.flags(), 131*c8dee2aaSAndroid Build Coastguard Worker inputProps.pixelGeometry()); 132*c8dee2aaSAndroid Build Coastguard Worker #if defined(SK_GRAPHITE) 133*c8dee2aaSAndroid Build Coastguard Worker if (recorder) { 134*c8dee2aaSAndroid Build Coastguard Worker surface = SkSurfaces::RenderTarget(recorder, info, skgpu::Mipmapped::kNo, &props); 135*c8dee2aaSAndroid Build Coastguard Worker } else 136*c8dee2aaSAndroid Build Coastguard Worker #endif 137*c8dee2aaSAndroid Build Coastguard Worker { 138*c8dee2aaSAndroid Build Coastguard Worker surface = SkSurfaces::RenderTarget(ctx, skgpu::Budgeted::kNo, info, 0, &props); 139*c8dee2aaSAndroid Build Coastguard Worker } 140*c8dee2aaSAndroid Build Coastguard Worker canvas = surface ? surface->getCanvas() : inputCanvas; 141*c8dee2aaSAndroid Build Coastguard Worker // init our new canvas with the old canvas's matrix 142*c8dee2aaSAndroid Build Coastguard Worker canvas->setMatrix(inputCanvas->getTotalMatrix()); 143*c8dee2aaSAndroid Build Coastguard Worker } 144*c8dee2aaSAndroid Build Coastguard Worker canvas->drawColor(SK_ColorWHITE); 145*c8dee2aaSAndroid Build Coastguard Worker 146*c8dee2aaSAndroid Build Coastguard Worker SkRect bounds = fBlob->bounds(); 147*c8dee2aaSAndroid Build Coastguard Worker 148*c8dee2aaSAndroid Build Coastguard Worker const int kPadX = SkScalarFloorToInt(bounds.width() / 3); 149*c8dee2aaSAndroid Build Coastguard Worker const int kPadY = SkScalarFloorToInt(bounds.height() / 3); 150*c8dee2aaSAndroid Build Coastguard Worker 151*c8dee2aaSAndroid Build Coastguard Worker int rowCount = 0; 152*c8dee2aaSAndroid Build Coastguard Worker canvas->translate(SkIntToScalar(kPadX), SkIntToScalar(kPadY)); 153*c8dee2aaSAndroid Build Coastguard Worker canvas->save(); 154*c8dee2aaSAndroid Build Coastguard Worker SkRandom random; 155*c8dee2aaSAndroid Build Coastguard Worker 156*c8dee2aaSAndroid Build Coastguard Worker SkPaint paint; 157*c8dee2aaSAndroid Build Coastguard Worker if (!fUseDFT) { 158*c8dee2aaSAndroid Build Coastguard Worker paint.setColor(SK_ColorWHITE); 159*c8dee2aaSAndroid Build Coastguard Worker } 160*c8dee2aaSAndroid Build Coastguard Worker paint.setAntiAlias(false); 161*c8dee2aaSAndroid Build Coastguard Worker 162*c8dee2aaSAndroid Build Coastguard Worker const SkScalar kSigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(8)); 163*c8dee2aaSAndroid Build Coastguard Worker 164*c8dee2aaSAndroid Build Coastguard Worker // setup blur paint 165*c8dee2aaSAndroid Build Coastguard Worker SkPaint blurPaint(paint); 166*c8dee2aaSAndroid Build Coastguard Worker blurPaint.setColor(SK_ColorBLACK); 167*c8dee2aaSAndroid Build Coastguard Worker blurPaint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, kSigma)); 168*c8dee2aaSAndroid Build Coastguard Worker 169*c8dee2aaSAndroid Build Coastguard Worker for (int i = 0; i < 4; i++) { 170*c8dee2aaSAndroid Build Coastguard Worker canvas->save(); 171*c8dee2aaSAndroid Build Coastguard Worker switch (i % 2) { 172*c8dee2aaSAndroid Build Coastguard Worker case 0: 173*c8dee2aaSAndroid Build Coastguard Worker canvas->rotate(random.nextF() * 45.f); 174*c8dee2aaSAndroid Build Coastguard Worker break; 175*c8dee2aaSAndroid Build Coastguard Worker case 1: 176*c8dee2aaSAndroid Build Coastguard Worker canvas->rotate(-random.nextF() * 45.f); 177*c8dee2aaSAndroid Build Coastguard Worker break; 178*c8dee2aaSAndroid Build Coastguard Worker } 179*c8dee2aaSAndroid Build Coastguard Worker if (!fUseDFT) { 180*c8dee2aaSAndroid Build Coastguard Worker canvas->drawTextBlob(fBlob, 0, 0, blurPaint); 181*c8dee2aaSAndroid Build Coastguard Worker } 182*c8dee2aaSAndroid Build Coastguard Worker canvas->drawTextBlob(fBlob, 0, 0, paint); 183*c8dee2aaSAndroid Build Coastguard Worker canvas->restore(); 184*c8dee2aaSAndroid Build Coastguard Worker canvas->translate(bounds.width() + SK_Scalar1 * kPadX, 0); 185*c8dee2aaSAndroid Build Coastguard Worker ++rowCount; 186*c8dee2aaSAndroid Build Coastguard Worker if ((bounds.width() + 2 * kPadX) * rowCount > kWidth) { 187*c8dee2aaSAndroid Build Coastguard Worker canvas->restore(); 188*c8dee2aaSAndroid Build Coastguard Worker canvas->translate(0, bounds.height() + SK_Scalar1 * kPadY); 189*c8dee2aaSAndroid Build Coastguard Worker canvas->save(); 190*c8dee2aaSAndroid Build Coastguard Worker rowCount = 0; 191*c8dee2aaSAndroid Build Coastguard Worker } 192*c8dee2aaSAndroid Build Coastguard Worker } 193*c8dee2aaSAndroid Build Coastguard Worker canvas->restore(); 194*c8dee2aaSAndroid Build Coastguard Worker 195*c8dee2aaSAndroid Build Coastguard Worker // render offscreen buffer 196*c8dee2aaSAndroid Build Coastguard Worker if (surface) { 197*c8dee2aaSAndroid Build Coastguard Worker SkAutoCanvasRestore acr(inputCanvas, true); 198*c8dee2aaSAndroid Build Coastguard Worker // since we prepended this matrix already, we blit using identity 199*c8dee2aaSAndroid Build Coastguard Worker inputCanvas->resetMatrix(); 200*c8dee2aaSAndroid Build Coastguard Worker inputCanvas->drawImage(surface->makeImageSnapshot().get(), 0, 0); 201*c8dee2aaSAndroid Build Coastguard Worker } 202*c8dee2aaSAndroid Build Coastguard Worker } 203*c8dee2aaSAndroid Build Coastguard Worker 204*c8dee2aaSAndroid Build Coastguard Worker private: 205*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkTextBlob> fBlob; 206*c8dee2aaSAndroid Build Coastguard Worker 207*c8dee2aaSAndroid Build Coastguard Worker static constexpr int kWidth = 2100; 208*c8dee2aaSAndroid Build Coastguard Worker static constexpr int kHeight = 1900; 209*c8dee2aaSAndroid Build Coastguard Worker 210*c8dee2aaSAndroid Build Coastguard Worker bool fUseDFT; 211*c8dee2aaSAndroid Build Coastguard Worker 212*c8dee2aaSAndroid Build Coastguard Worker using INHERITED = GM; 213*c8dee2aaSAndroid Build Coastguard Worker }; 214*c8dee2aaSAndroid Build Coastguard Worker 215*c8dee2aaSAndroid Build Coastguard Worker ////////////////////////////////////////////////////////////////////////////// 216*c8dee2aaSAndroid Build Coastguard Worker 217*c8dee2aaSAndroid Build Coastguard Worker DEF_GM( return new TextBlobMixedSizes(false); ) 218*c8dee2aaSAndroid Build Coastguard Worker DEF_GM( return new TextBlobMixedSizes(true); ) 219*c8dee2aaSAndroid Build Coastguard Worker } // namespace skiagm 220