1fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/* 2fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Copyright 2015 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 "gm.h" 9fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "sk_tool_utils.h" 10fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 11fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "Resources.h" 12fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkCanvas.h" 13fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkGradientShader.h" 14fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkStream.h" 15fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkTextBlob.h" 16fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkTypeface.h" 17fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 18fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotnamespace skiagm { 19fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotclass TextBlobTransforms : public GM { 20fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotpublic: 21fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // This gm tests that textblobs can be translated, rotated, and scaled 22fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot TextBlobTransforms() {} 23fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 24fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotprotected: 25fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot void onOnceBeforeDraw() override { 26fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkTextBlobBuilder builder; 27fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 28fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // make textblob. To stress distance fields, we choose sizes appropriately 29fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint paint; 30fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setTextSize(162); 31fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot const char* text = "A"; 32fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_tool_utils::set_portable_typeface(&paint); 33fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 34fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkRect bounds; 35fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.measureText(text, strlen(text), &bounds); 36fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_tool_utils::add_to_text_blob(&builder, text, paint, 0, 0); 37fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 38fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // Medium 39fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar xOffset = bounds.width() + 5; 40fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setTextSize(72); 41fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot text = "B"; 42fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_tool_utils::add_to_text_blob(&builder, text, paint, xOffset, 0); 43fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 44fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.measureText(text, strlen(text), &bounds); 45fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar yOffset = bounds.height(); 46fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 47fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // Small 48fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot paint.setTextSize(32); 49fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot text = "C"; 50fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_tool_utils::add_to_text_blob(&builder, text, paint, xOffset, -yOffset - 10); 51fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 52fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // build 53fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot fBlob = builder.make(); 54fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 55fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 56fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkString onShortName() override { 57fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkString("textblobtransforms"); 58fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 59fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 60fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkISize onISize() override { 61fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot return SkISize::Make(kWidth, kHeight); 62fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 63fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 64fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot void onDraw(SkCanvas* canvas) override { 65fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 66fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawColor(sk_tool_utils::color_to_565(SK_ColorGRAY)); 67fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 68fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkPaint paint; 69fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 70fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkRect bounds = fBlob->bounds(); 71fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(20, 20); 72fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 73fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // Colors were chosen to map to pairs of canonical colors. The GPU Backend will cache A8 74fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // Texture Blobs based on the canonical color they map to. Canonical colors are used to 75fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // create masks. For A8 there are 8 of them. 76fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot //SkColor colors[] = {SK_ColorCYAN, sk_tool_utils::color_to_565(SK_ColorLTGRAY), SK_ColorYELLOW, SK_ColorWHITE}; 77fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 78fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar xOffset = SkScalarCeilToScalar(bounds.width()); 79fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot SkScalar yOffset = SkScalarCeilToScalar(bounds.height()); 80fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // first translate 81fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 2 * yOffset); 82fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 83fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(-xOffset, 0); 84fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 85fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(2 * xOffset, 0); 86fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 87fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(-xOffset, -yOffset); 88fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 89fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(0, 2 * yOffset); 90fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 91fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 92fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // now rotate 93fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(4 * xOffset, -yOffset); 94fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(180.f); 95fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 96fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(-180.f); 97fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(0, -yOffset); 98fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(-180.f); 99fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 100fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(270.f); 101fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 102fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(-90.f); 103fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(-xOffset, yOffset); 104fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(-90.f); 105fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 106fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(90.f); 107fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 108fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // and scales 109fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(- 3 * xOffset, 3 * yOffset); 110fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(1.5f, 1.5f); 111fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 112fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 113fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(.25f, .25f); 114fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 115fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 116fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(3.f, 2.f); 117fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 118fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 119fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot // finally rotates, scales, and translates together 120fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 121fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(23.f); 122fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(.33f, .5f); 123fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 124fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 125fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(-46.f); 126fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 127fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(1.2f, 1.1f); 128fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 129fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 130fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(46.f); 131fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 132fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(1.1f, 1.2f); 133fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 134fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 135fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(46.f); 136fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 137fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(.95f, 1.1f); 138fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 139fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 140fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(46.f); 141fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 142fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(1.3f, .7f); 143fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 144fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 145fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(46.f); 146fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 147fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(.8f, 1.1f); 148fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 149fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 150fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(10.f); 151fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 152fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(1.f, 5.f); 153fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 154fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 155fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->rotate(5.f); 156fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->translate(xOffset, 0); 157fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->scale(5.f, 1.f); 158fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot canvas->drawTextBlob(fBlob, 0, 0, paint); 159fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot } 160fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 161fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotprivate: 162fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot sk_sp<SkTextBlob> fBlob; 163fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 164fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot static constexpr int kWidth = 1000; 165fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot static constexpr int kHeight = 1200; 166fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 167fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot typedef GM INHERITED; 168fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot}; 169fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 170fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot////////////////////////////////////////////////////////////////////////////// 171fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot 172fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team RobotDEF_GM(return new TextBlobTransforms;) 173fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot} 174