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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | //GameScene.h #include "cocos2d.h" USING_NS_CC; class GameScene : public cocos2d::Layer { public : static cocos2d::Scene* createScene(); virtual bool init(); void menuCallback(Ref* pSender); CREATE_FUNC(GameScene); private : //注意不能用auto关键字 Size size; Sprite *sprite; }; |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | //GameScene.cpp #include "GameScene.h" USING_NS_CC; cocos2d::Scene* GameScene::createScene() { auto scene = Scene::create(); //创建一个场景 auto layer = GameScene::create(); //创建一个图层 scene->addChild(layer); return scene; } //初始化当前的图层 bool GameScene::init() { if (!Layer::init()) //初始化父类 return false ; //获取屏幕大小 size = Director::getInstance()->getVisibleSize(); //auto size = Director::getInstance()->getWinSize(); //添加一个图片精灵 sprite = Sprite::create( "OnePiece_1.png" ); sprite->setPosition(Vec2(size.width/2, size.height/2)); this ->addChild(sprite); //创建一个菜单按钮 auto item = MenuItemFont::create( "click" , CC_CALLBACK_1(GameScene::menuCallback, this )); item->setPosition(Vec2(size.width*0.9, size.height/2)); auto menu = Menu::create(item, NULL); menu->setPosition(Vec2::ZERO); this ->addChild(menu); return true ; } void GameScene::menuCallback(Ref* pSender) { //屏幕截取 auto texture = RenderTexture::create(size.width, size.height); texture->begin(); Director::getInstance()->getRunningScene()->visit(); //遍历屏幕所有节点 texture->end(); if (texture->saveToFile( "ScreenShot.png" , Image::Format::PNG)) { //3.0版本改变处,支持PNG与JPG格式 log ( "Success." ); //获取截图 //方式一 std::string filePath = FileUtils::getInstance()->getWritablePath() + "ScreenShot.png" ; //方式二 //auto sprite = Sprite::createWithTexture(texture->getSprite()->getTexture()); auto sprite = Sprite::create(filePath.c_str()); sprite->setPosition(Vec2(size.width/2, size.height/2)); //sprite->setFlippedY(true); //将截图正常显示 sprite->setScale(0.5f); this ->addChild(sprite); } } |
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