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Merge pull request #12776 from fusijie/refine_capture 

CaptureScreen save in thread.
This commit is contained in:
子龙山人 2015-07-10 17:03:18 +08:00
parent 2d27091398 9eb5a1833b
commit 3adecedcee
1 changed files with 54 additions and 15 deletions
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51
cocos/base/ccUtils.cpp
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@ -28,6 +28,7 @@ THE SOFTWARE.
#include <stdlib.h>
#include "base/CCDirector.h"
#include "base/CCAsyncTaskPool.h"
#include "renderer/CCCustomCommand.h"
#include "renderer/CCRenderer.h"
#include "platform/CCImage.h"
@ -49,10 +50,27 @@ int ccNextPOT(int x)
namespace utils
{
/**
* Capture screen implementation, don't use it directly.
*/
* Capture screen implementation, don't use it directly.
*/
void onCaptureScreen(const std::function<void(bool, const std::string&)>& afterCaptured, const std::string& filename)
{
static bool startedCapture = false;
if (startedCapture)
{
CCLOG("Screen capture is already working");
if (afterCaptured)
{
afterCaptured(false, filename);
}
return;
}
else
{
startedCapture = true;
}
auto glView = Director::getInstance()->getOpenGLView();
auto frameSize = glView->getFrameSize();
#if (CC_TARGET_PLATFORM == CC_PLATFORM_MAC) || (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX)
@ -87,7 +105,7 @@ void onCaptureScreen(const std::function<void(bool, const std::string&)>& afterC
memcpy(flippedBuffer.get() + (height - row - 1) * width * 4, buffer.get() + row * width * 4, width * 4);
}
std::shared_ptr<Image> image(new Image);
Image* image = new (std::nothrow) Image;
if (image)
{
image->initWithRawData(flippedBuffer.get(), width * height * 4, width, height, 8);
@ -100,15 +118,36 @@ void onCaptureScreen(const std::function<void(bool, const std::string&)>& afterC
CCASSERT(filename.find("/") == std::string::npos, "The existence of a relative path is not guaranteed!");
outputFile = FileUtils::getInstance()->getWritablePath() + filename;
}
succeed = image->saveToFile(outputFile);
}
}while(0);
// Save image in AsyncTaskPool::TaskType::TASK_IO thread, and call afterCaptured in mainThread
static bool succeedSaveToFile = false;
std::function<void(void*)> mainThread = [afterCaptured, outputFile](void* param)
{
if (afterCaptured)
{
afterCaptured(succeedSaveToFile, outputFile);
}
startedCapture = false;
};
AsyncTaskPool::getInstance()->enqueue(AsyncTaskPool::TaskType::TASK_IO, mainThread, (void*)NULL, [image, outputFile]()
{
succeedSaveToFile = image->saveToFile(outputFile);
delete image;
});
}
else
{
CCLOG("Malloc Image memory failed!");
if (afterCaptured)
{
afterCaptured(succeed, outputFile);
}
startedCapture = false;
}
} while (0);
}
/*
* Capture screen interface
*/