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manual screenshot creation and uploading (scrawl)

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This commit is contained in:
greye 2014-05-19 22:56:40 +04:00
parent 444a07c01b
commit 86a8966306
1 changed files with 34 additions and 1 deletions
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35
libs/openengine/ogre/renderer.cpp
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@ -15,6 +15,9 @@
#include <components/ogreinit/ogreinit.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/filesystem/fstream.hpp>
#include <cassert>
#include <stdexcept>
@ -48,7 +51,37 @@ void OgreRenderer::update(float dt)
void OgreRenderer::screenshot(const std::string &file)
{
mWindow->writeContentsToFile(file);
namespace bfs = boost::filesystem;
bfs::ofstream out((bfs::path(file)));
Ogre::Image image;
Ogre::PixelFormat pf = mWindow->suggestPixelFormat();
int w = mWindow->getWidth();
int h = mWindow->getHeight();
image.loadDynamicImage(
OGRE_ALLOC_T(Ogre::uchar, w * h * Ogre::PixelUtil::getNumElemBytes(pf), Ogre::MEMCATEGORY_GENERAL),
w, h, 1, pf, true
);
mWindow->copyContentsToMemory(image.getPixelBox());
Ogre::DataStreamPtr stream = image.encode("png");
Ogre::MemoryDataStream *mem = dynamic_cast<Ogre::MemoryDataStream *>(stream.get());
if (mem != 0) { // likely
const char *ptr = reinterpret_cast<char *>(mem->getCurrentPtr());
out.write(ptr, mem->size());
}
else {
char buf[4096];
size_t size = stream->size();
while (size > 0) {
size_t chunk = (size > sizeof(buf)) ? sizeof(buf) : size;
stream->read(buf, chunk);
out.write(buf, chunk);
size -= chunk;
}
}
}
float OgreRenderer::getFPS()