mirror of https://github.com/axmolengine/axmol.git
123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "base/ccUtils.h"
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#include "base/CCDirector.h"
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#include "renderer/CCCustomCommand.h"
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#include "renderer/CCRenderer.h"
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#include "platform/CCImage.h"
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#include "platform/CCFileUtils.h"
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#include "CCGLView.h"
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NS_CC_BEGIN
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int ccNextPOT(int x)
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{
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x = x - 1;
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x = x | (x >> 1);
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x = x | (x >> 2);
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x = x | (x >> 4);
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x = x | (x >> 8);
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x = x | (x >>16);
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return x + 1;
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}
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namespace utils
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{
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/**
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* Capture screen implementation, don't use it directly.
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*/
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void onCaptureScreen(const std::function<void(bool, const std::string&)>& afterCaptured, const std::string& filename)
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{
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auto glView = Director::getInstance()->getOpenGLView();
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auto frameSize = glView->getFrameSize();
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#if (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) || (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX)
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frameSize = frameSize * glView->getFrameZoomFactor() * glView->getRetinaFactor();
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#endif
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int width = static_cast<int>(frameSize.width);
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int height = static_cast<int>(frameSize.height);
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bool succeed = false;
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std::string outputFile = "";
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do
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{
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std::shared_ptr<GLubyte> buffer(new GLubyte[width * height * 4], [](GLubyte* p){ CC_SAFE_DELETE_ARRAY(p); });
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if (!buffer)
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{
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break;
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}
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glPixelStorei(GL_PACK_ALIGNMENT, 1);
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glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer.get());
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std::shared_ptr<GLubyte> flippedBuffer(new GLubyte[width * height * 4], [](GLubyte* p) { CC_SAFE_DELETE_ARRAY(p); });
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if (!flippedBuffer)
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{
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break;
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}
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for (int row = 0; row < height; ++row)
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{
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memcpy(flippedBuffer.get() + (height - row - 1) * width * 4, buffer.get() + row * width * 4, width * 4);
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}
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std::shared_ptr<Image> image(new Image);
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if (image)
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{
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image->initWithRawData(flippedBuffer.get(), width * height * 4, width, height, 8);
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if (FileUtils::getInstance()->isAbsolutePath(filename))
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{
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outputFile = filename;
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}
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else
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{
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CCASSERT(filename.find("/") == std::string::npos, "The existence of a relative path is not guaranteed!");
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outputFile = FileUtils::getInstance()->getWritablePath() + filename;
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}
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succeed = image->saveToFile(outputFile);
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}
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}while(0);
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if (afterCaptured)
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{
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afterCaptured(succeed, outputFile);
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}
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}
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/*
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* Capture screen interface
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*/
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void captureScreen(const std::function<void(bool, const std::string&)>& afterCaptured, const std::string& filename)
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{
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static CustomCommand captureScreenCommand;
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captureScreenCommand.init(std::numeric_limits<float>::max());
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captureScreenCommand.func = std::bind(onCaptureScreen, afterCaptured, filename);
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Director::getInstance()->getRenderer()->addCommand(&captureScreenCommand);
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}
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}
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NS_CC_END
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