1*c8dee2aaSAndroid Build Coastguard Worker /* 2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2021 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/SkCanvas.h" 10*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkFont.h" 11*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkPaint.h" 12*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRect.h" 13*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkSurface.h" 14*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTextBlob.h" 15*c8dee2aaSAndroid Build Coastguard Worker #include "include/gpu/GpuTypes.h" 16*c8dee2aaSAndroid Build Coastguard Worker #include "include/gpu/ganesh/SkSurfaceGanesh.h" 17*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fonts/FontToolUtils.h" 18*c8dee2aaSAndroid Build Coastguard Worker 19*c8dee2aaSAndroid Build Coastguard Worker DEF_SIMPLE_GM_BG(skbug_12212, canvas, 400, 400, SK_ColorCYAN) { 20*c8dee2aaSAndroid Build Coastguard Worker // Create an Alpha_8 surface to draw into (strangely, with RGB pixel geometry). 21*c8dee2aaSAndroid Build Coastguard Worker auto imageInfo = SkImageInfo::Make(/*width=*/400, /*height=*/400, kAlpha_8_SkColorType, 22*c8dee2aaSAndroid Build Coastguard Worker kPremul_SkAlphaType); 23*c8dee2aaSAndroid Build Coastguard Worker SkSurfaceProps props(/*flags=*/0, kRGB_H_SkPixelGeometry); 24*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkSurface> surface = SkSurfaces::RenderTarget( 25*c8dee2aaSAndroid Build Coastguard Worker canvas->recordingContext(), skgpu::Budgeted::kNo, imageInfo, /*sampleCount=*/0, &props); 26*c8dee2aaSAndroid Build Coastguard Worker if (!surface) { 27*c8dee2aaSAndroid Build Coastguard Worker surface = SkSurfaces::Raster(imageInfo, &props); 28*c8dee2aaSAndroid Build Coastguard Worker } 29*c8dee2aaSAndroid Build Coastguard Worker 30*c8dee2aaSAndroid Build Coastguard Worker // Draw text into the surface using LCD antialiasing. 31*c8dee2aaSAndroid Build Coastguard Worker SkPaint p; 32*c8dee2aaSAndroid Build Coastguard Worker p.setAntiAlias(true); 33*c8dee2aaSAndroid Build Coastguard Worker p.setBlendMode(SkBlendMode::kSrc); 34*c8dee2aaSAndroid Build Coastguard Worker p.setAlpha(0x80); 35*c8dee2aaSAndroid Build Coastguard Worker SkFont font = ToolUtils::DefaultPortableFont(); 36*c8dee2aaSAndroid Build Coastguard Worker font.setSize(170); 37*c8dee2aaSAndroid Build Coastguard Worker font.setEdging(SkFont::Edging::kSubpixelAntiAlias); 38*c8dee2aaSAndroid Build Coastguard Worker auto textBlob = SkTextBlob::MakeFromText("text", /*byteLength=*/4, font); 39*c8dee2aaSAndroid Build Coastguard Worker surface->getCanvas()->drawTextBlob(textBlob, /*x=*/50, /*y=*/350, p); 40*c8dee2aaSAndroid Build Coastguard Worker 41*c8dee2aaSAndroid Build Coastguard Worker // Draw the surface on our main canvas. 42*c8dee2aaSAndroid Build Coastguard Worker surface->draw(canvas, /*x=*/0, /*y=*/0); 43*c8dee2aaSAndroid Build Coastguard Worker } 44