AviMemDc: a C++ class
This class is used in the Avi Examples.
The header file
AviMemDC.h
/*
AviMemDC.h
A C++ class for creating avi files
Copyright (c) 2004, 2005 René Nyffenegger
This source code is provided ‘as-is‘, without any express or implied
warranty. In no event will the author be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this source code must not be misrepresented; you must not
claim that you wrote the original source code. If you use this source code
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original source code.
3. This notice may not be removed or altered from any source distribution.
René Nyffenegger rene.nyffenegger@adp-gmbh.ch
*/
#include "MemoryDC.h"
#include "DibSection.h"
#include "Color.h"
#include "Font.h"
#include "avi.h"
class AviMemDC : public MemoryDC {
public:
AviMemDC(int width, int height, std::string const& avi_file, int frames_per_second);
void AddFrame();
DibSection& GetDibSection();
private:
DibSection dib_section_;
Avi avi_;
bool compression_chosen_;
};
The implementation file
AviMemDC.cpp
/*
AviMemDC.cpp
A C++ class for creating avi files
Copyright (c) 2004, 2005 René Nyffenegger
This source code is provided ‘as-is‘, without any express or implied
warranty. In no event will the author be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this source code must not be misrepresented; you must not
claim that you wrote the original source code. If you use this source code
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original source code.
3. This notice may not be removed or altered from any source distribution.
René Nyffenegger rene.nyffenegger@adp-gmbh.ch
*/
#include "AviMemDC.h"
AviMemDC::AviMemDC(int width, int height, std::string const& avi_file, int frames_per_second) :
MemoryDC(),
dib_section_(width, height),
avi_(avi_file, 1000/frames_per_second, 0),
compression_chosen_(false)
{
Select(dib_section_);
}
void AviMemDC::AddFrame() {
if (!compression_chosen_) {
avi_.compression(dib_section_, 0, true, 0);
compression_chosen_ = true;
}
avi_.add_frame(dib_section_);
}
DibSection& AviMemDC::GetDibSection() {
return dib_section_;
}
原文：http://www.cnblogs.com/honeynm/p/4695857.html