void QgsComposerItem::drawSelectionBoxes( QPainter* p )
{
if ( !mComposition )
{
return;
}
if ( mComposition->plotStyle() == QgsComposition::Preview )
{
double sizeLockSymbol = lockSymbolSize();
if ( mItemPositionLocked )
{
//draw lock symbol at upper left edge. Use QImage to be independent of the graphic system
QString lockIconPath = QgsApplication::activeThemePath() + "/mIconLock.png";
if ( !QFile::exists( lockIconPath ) )
{
lockIconPath = QgsApplication::defaultThemePath() + "/mIconLock.png";
}
QImage lockImage( lockIconPath );
if ( !lockImage.isNull() )
{
p->drawImage( QRectF( 0, 0, sizeLockSymbol, sizeLockSymbol ), lockImage, QRectF( 0, 0, lockImage.width(), lockImage.height() ) );
}
}
}
}
void Block::drawBlock()
{
lockImage();
if(myImage)
{
delete myImage;
}
myImage = new Image(Image::ARGB,120,120,true); // cells are 30 wide by 30 high, so always 80x80
int drawn = 0;
Graphics g(*myImage);
StringArray shape = *(getBlockShape());
int x = 0;
int y = 0;
int width = 30;
int height = 30;
g.setColour(blockColour);
for(int i = 0; i < 4; i++)
{
x = 0;
for(int j = 0; j < 4 && drawn < 4; j++)
{
if(shape[i][j] == 'a')
{
drawn++;
g.fillRect(x,y,width,height);
g.drawBevel(x,y,width,height,width,blockColour.brighter(.75f),blockColour.darker(.75f),true);
}
x += width;
}
y += height;
}
unlockImage();
}
JpegReceiver::~JpegReceiver()
{
stop();
lockImage();
if (lock_image) ::CloseHandle(lock_image);
if (event_abort) ::CloseHandle(event_abort);
}
JpegWrap JpegReceiver::getNextFrame()
{
lockImage();
JpegWrap pic(currentPic.pic.get(), currentPic.length);
releaseImage();
return pic;
}
Picture JpegReceiver::nextPic()
{
createNextPicture();
lockImage();
Picture nextPicture = curPic.clone();
releaseImage();
return nextPicture;
}
void JpegReceiver::createNextPicture()
{
JpegWrap frame = getNextFrame();
if (frame.length == 0) return;
DWORD tm = GetTickCount();
CxImage* image = new CxImage(frame.pic.get(), frame.length, CXIMAGE_FORMAT_JPG);
Picture pic = Picture::createFromCxImage(image);
delete image;
// Capture_Log::getInstance()->log_write("Time is %d\n", GetTickCount() - tm);
lockImage();
curPic = pic;
releaseImage();
}
already_AddRefed<SourceSurface>
BasicImageLayer::GetAsSourceSurface()
{
if (!mContainer) {
return nullptr;
}
AutoLockImage lockImage(mContainer);
Image* image = lockImage.GetImage();
if (!image) {
return nullptr;
}
return image->GetAsSourceSurface();
}
void JpegReceiver::nextStep()
{
while (bufferLength < headerPrediction)
{
receivePacket();
}
std::string firstPart((char*)(buffer.get() + bufferStartPoint), headerPrediction);
std::string lengthBorderBig = "Content-Length: ";
std::string lengthBorderSmall = "Content-length: ";
int placeBig = firstPart.find(lengthBorderBig);
int placeSmall = firstPart.find(lengthBorderSmall);
int startLen = std::max(placeBig, placeSmall) + lengthBorderBig.length();
int endLen = startLen;
while (firstPart.at(endLen) >= '0' && firstPart.at(endLen) <= '9')
{
endLen++;
}
int jpegLength = atoi(firstPart.substr(startLen, endLen - startLen).c_str());
while (firstPart.at(endLen) == ' ' || firstPart.at(endLen) == '\n' || firstPart.at(endLen) == '\r')
{
++endLen;
}
if (placeSmall != -1) endLen += 28;
while (bufferLength - endLen < jpegLength)
{
receivePacket();
}
lockImage();
currentPic = JpegWrap(buffer.get() + (bufferStartPoint + endLen) * sizeof(unsigned char), jpegLength);
// createNextBmp();
releaseImage();
// createNextPicture();
//jpegWrap.pic = sh_ptr_uch(new unsigned char[jpegWrap.length]);
//memcpy(jpegWrap.pic.get(), buffer.get() + (bufferStartPoint + endLen) * sizeof(unsigned char), jpegWrap.length * sizeof(unsigned char));
/* for (int i = 0; i < jpegLength; ++i)
{
data.get()[i] = buffer.get()[bufferStartPoint + endLen + i];
}*/
shiftBuffer(bufferStartPoint + endLen + jpegLength);
}
void QgsComposerItem::drawSelectionBoxes( QPainter* p )
{
if ( !mComposition )
{
return;
}
if ( mComposition->plotStyle() == QgsComposition::Preview )
{
//size of symbol boxes depends on zoom level in composer view
double rectHandlerSize = rectHandlerBorderTolerance();
double sizeLockSymbol = lockSymbolSize();
if ( mItemPositionLocked )
{
//draw lock symbol at upper left edge. Use QImage to be independent of the graphic system
QString lockIconPath = QgsApplication::activeThemePath() + "/mIconLock.png";
if ( !QFile::exists( lockIconPath ) )
{
lockIconPath = QgsApplication::defaultThemePath() + "/mIconLock.png";
}
QImage lockImage( lockIconPath );
if ( !lockImage.isNull() )
{
p->drawImage( QRectF( 0, 0, sizeLockSymbol, sizeLockSymbol ), lockImage, QRectF( 0, 0, lockImage.width(), lockImage.height() ) );
}
}
else //draw blue squares
{
p->setPen( QColor( 50, 100, 120, 200 ) );
p->setBrush( QColor( 200, 200, 210, 120 ) );
p->drawRect( QRectF( 0, 0, rectHandlerSize, rectHandlerSize ) );
p->drawRect( QRectF( rect().width() - rectHandlerSize, 0, rectHandlerSize, rectHandlerSize ) );
p->drawRect( QRectF( rect().width() - rectHandlerSize, rect().height() - rectHandlerSize, rectHandlerSize, rectHandlerSize ) );
p->drawRect( QRectF( 0, rect().height() - rectHandlerSize, rectHandlerSize, rectHandlerSize ) );
}
}
}
// drawGrid iterates over all the grid cells, drawing blocks where possible.
void TetrisGrid::drawGrid()
{
lockImage();
if(myImage != 0)
{
delete myImage;
}
myImage = new Image(Image::ARGB,outerRect.getWidth(), outerRect.getHeight(),false);
Graphics g(*myImage);
g.fillAll(Colours::darkgrey);
g.setOrigin(5,0); // move the origin to (5,0), so we have a border on the edges
int x = 0;
int y = 0;
for(int i = 0; i < GRID_HEIGHT; i++)
{
x = 0;
for(int j = 0; j < GRID_WIDTH; j++)
{
Colour c(Colours::white);
jassert(grid[i]->length() == 10);
if((*(grid[i]))[j] == 'a')
{
c = Colours::darkgrey;
}
g.setColour(c);
g.fillRect(x,y,cellWidth,cellHeight);
x += cellWidth;
}
y += cellHeight;
}
unlockImage();
updatedImage = true;
}
// =======================================================
// may raise ERR_OPENED, ERR_EXIST, errno
void CImageDisk::openWriting() // [Main-Thread]
{
#ifdef HAVE_FSTAT64
struct stat64 fStat;
#else
struct stat fStat;
#endif
int flags;
int nRes;
char szShortName[32]; // DOS short filenames
char szPathDir[MAXPATHLEN];
BEGIN;
showDebug(1, "ALREADY=%lld\n", m_qwTotal);
if (m_bIsOpened == true)
THROW(ERR_OPENED);
SNPRINTF(szShortName, "pi%.8x", (DWORD)generateIdentificator());
extractFilepathFromFullPath(m_szImageFilename, szPathDir); // filepath without filename
if (access(szPathDir, R_OK) == -1) mkdir(szPathDir, 0755);
snprintf(m_szSpaceFilename, MAXPATHLEN, "%s/%8s.tmp", szPathDir, szShortName);
showDebug(1, "TEMP=[%s]\n", m_szSpaceFilename);
if (strcmp(m_szImageFilename, "stdout"))
{ // we create spacefile only if imagefile is not stdout
errno = 0;
nRes = createSpaceFile();
if (nRes == -1)
{
if (errno == ENOSPC)
{
showDebug(1, "No space left -> cannot create file [%s]\n",
m_szSpaceFilename);
THROW(ERR_CREATESPACEFILENOSPC, szPathDir);
}
else if (errno == EACCES)
{
showDebug(1, "Permission denied -> cannot create file [%s]\n",
m_szSpaceFilename);
THROW(ERR_CREATESPACEFILEDENIED, szPathDir);
}
else
{
showDebug(1, "Cannot create SpaceFile[%s]\n", m_szSpaceFilename);
THROW(ERR_CREATESPACEFILE, m_szSpaceFilename);
}
}
}
if (strcmp(m_szImageFilename, "stdout"))
{
errno = 0;
flags = O_CREAT | O_WRONLY | O_NOFOLLOW;
#ifdef OS_LINUX
flags |= O_LARGEFILE;
#endif
if (m_options.bOverwrite != true)
flags |= O_EXCL;
#ifdef HAVE_OPEN64
m_nImageFd = open64(m_szImageFilename, flags, S_IREAD | S_IWRITE);
#else
m_nImageFd = open(m_szImageFilename, flags, S_IREAD | S_IWRITE);
#endif
if ((m_nImageFd == -1))
{
if (errno == EEXIST)
THROW(ERR_EXIST);
else
THROW(ERR_ERRNO, errno);
}
// ---- avoid RACE CONDITIONS security problems:
#ifdef HAVE_FSTAT64
if (fstat64(m_nImageFd, &fStat) == -1)
#else
if (fstat(m_nImageFd, &fStat) == -1)
#endif
THROW(ERR_ERRNO, errno);
if (!S_ISREG(fStat.st_mode)) // not a regular file
THROW(ERR_NOTAREGULARFILE, m_szImageFilename);
// lock the image file
if (lockImage(LOCK_EX, m_nImageFd, m_szImageFilename) == -1)
THROW(ERR_LOCKED, m_szImageFilename);
/* FIXME: this fails when using LUFS. Is it required?
// truncate the file (now, we can because it's not a symlink)
if (ftruncate(m_nImageFd, 0L) == -1)
THROW(ERR_ERRNO, errno);
*/
showDebug(1, "open std\n");
m_fImageFile = fdopen(m_nImageFd, "wb");
if (m_fImageFile == NULL)
{
showDebug(1, "error:%d %s\n", errno, strerror(errno));
THROW(ERR_ERRNO, errno);
}
}
else // it's stdout
{
m_fImageFile = stdout;
showDebug(1, "image will be on stdout\n");
}
m_bIsOpened = true;
m_qwVolSize = 0LL;
showDebug(1, "end of CImageDisk::openWriting(), return = ok\n");
}
// =======================================================
// may throw ERR_OPENED, ERR_NOTFOUND, errno, comp
void CImageDisk::openReading() // [Main-Thread]
{
//int nRes;
#ifdef HAVE_FSTAT64
struct stat64 fStat;
#else
struct stat fStat;
#endif
BEGIN;
showDebug(1, "ALREADY=%llu\n", m_qwTotal);
m_qwTotal=0LL;
if (m_bIsOpened == true)
THROW(ERR_OPENED);
if (strcmp(m_szImageFilename, "stdin"))
{
// check the file exists
errno = 0;
if (access(m_szImageFilename, F_OK) == -1) // if the file doesn't exists
THROW(ERR_NOTFOUND);
showDebug(1, "openReading[%s]\n", m_szImageFilename);
#ifdef OS_LINUX
#ifdef HAVE_OPEN64
m_nImageFd = open64(m_szImageFilename, O_RDONLY | O_LARGEFILE | O_NOFOLLOW);
#else
m_nImageFd = open(m_szImageFilename, O_RDONLY | O_LARGEFILE | O_NOFOLLOW);
#endif
#endif
#ifdef OS_FBSD
m_nImageFd = open(m_szImageFilename, O_RDONLY | O_NOFOLLOW);
#endif
if (m_nImageFd == -1)
THROW(ERR_ERRNO, errno);
else
showDebug(1, "preopen successfull for %s\n", m_szImageFilename);
// ---- avoid RACE CONDITIONS security problems:
errno = 0;
#ifdef HAVE_FSTAT64
if (fstat64(m_nImageFd, &fStat) == -1)
#else
if (fstat(m_nImageFd, &fStat) == -1)
#endif
{
showDebug(1, "fstat() returned -1 and errno=%d=[%s]\n", errno, strerror(errno));
THROW(ERR_ERRNO, errno);
}
if (!S_ISREG(fStat.st_mode)) // not a regular file
THROW(ERR_NOTAREGULARFILE, m_szImageFilename); //BIGH
// ---- lock the image file
if (lockImage(LOCK_SH, m_nImageFd, m_szImageFilename) == -1)
THROW(ERR_LOCKED, m_szImageFilename);
m_fImageFile = fdopen(m_nImageFd, "rb");
if (m_fImageFile == NULL)
THROW( errno);
else
showDebug(1, "open\n");
showDebug(1, "file %s opened ok\n", m_szImageFilename);
} // stdin?
else
{
m_fImageFile = stdin;
showDebug(1, "stdin opened for reading\n");
}
m_bIsOpened = true;
}
