1/* 2 * Copyright 2011 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#include "gm.h" 9#include "SkShader.h" 10using namespace skiagm; 11 12GM::GM() { 13 fMode = kGM_Mode; 14 fBGColor = SK_ColorWHITE; 15 fCanvasIsDeferred = false; 16 fHaveCalledOnceBeforeDraw = false; 17 fStarterMatrix.reset(); 18} 19 20GM::~GM() {} 21 22void GM::draw(SkCanvas* canvas) { 23 this->drawBackground(canvas); 24 this->drawContent(canvas); 25} 26 27void GM::drawContent(SkCanvas* canvas) { 28 if (!fHaveCalledOnceBeforeDraw) { 29 fHaveCalledOnceBeforeDraw = true; 30 this->onOnceBeforeDraw(); 31 } 32 this->onDraw(canvas); 33} 34 35void GM::drawBackground(SkCanvas* canvas) { 36 if (!fHaveCalledOnceBeforeDraw) { 37 fHaveCalledOnceBeforeDraw = true; 38 this->onOnceBeforeDraw(); 39 } 40 this->onDrawBackground(canvas); 41} 42 43const char* GM::getName() { 44 if (fShortName.size() == 0) { 45 fShortName = this->onShortName(); 46 } 47 return fShortName.c_str(); 48} 49 50void GM::setBGColor(SkColor color) { 51 fBGColor = color; 52} 53 54bool GM::animate(const SkAnimTimer& timer) { 55 return this->onAnimate(timer); 56} 57 58///////////////////////////////////////////////////////////////////////////////////////////// 59 60void GM::onDrawBackground(SkCanvas* canvas) { 61 canvas->drawColor(fBGColor, SkXfermode::kSrc_Mode); 62} 63 64void GM::drawSizeBounds(SkCanvas* canvas, SkColor color) { 65 SkISize size = this->getISize(); 66 SkRect r = SkRect::MakeWH(SkIntToScalar(size.width()), 67 SkIntToScalar(size.height())); 68 SkPaint paint; 69 paint.setColor(color); 70 canvas->drawRect(r, paint); 71} 72 73void GM::drawGpuOnlyMessage(SkCanvas* canvas) { 74 SkBitmap bmp; 75 bmp.allocN32Pixels(128, 64); 76 SkCanvas bmpCanvas(bmp); 77 bmpCanvas.drawColor(SK_ColorWHITE); 78 SkPaint paint; 79 paint.setAntiAlias(true); 80 paint.setTextSize(20); 81 paint.setColor(SK_ColorRED); 82 static const char kTxt[] = "GPU Only"; 83 bmpCanvas.drawText(kTxt, strlen(kTxt), 20, 40, paint); 84 SkMatrix localM; 85 localM.setRotate(35.f); 86 localM.postTranslate(10.f, 0.f); 87 SkAutoTUnref<SkShader> shader(SkShader::CreateBitmapShader(bmp, SkShader::kMirror_TileMode, 88 SkShader::kMirror_TileMode, 89 &localM)); 90 paint.setShader(shader); 91 paint.setFilterQuality(kMedium_SkFilterQuality); 92 canvas->drawPaint(paint); 93 return; 94} 95 96// need to explicitly declare this, or we get some weird infinite loop llist 97template GMRegistry* GMRegistry::gHead; 98 99void skiagm::SimpleGM::onDraw(SkCanvas* canvas) { 100 fDrawProc(canvas); 101} 102 103SkISize skiagm::SimpleGM::onISize() { 104 return fSize; 105} 106 107SkString skiagm::SimpleGM::onShortName() { 108 return fName; 109} 110 111