diff options
Diffstat (limited to 'tools.h')
| -rw-r--r-- | tools.h | 38 |
1 files changed, 36 insertions, 2 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: tools.h 1.84 2005/11/26 14:03:47 kls Exp $ + * $Id: tools.h 1.89 2006/01/08 11:40:37 kls Exp $ */ #ifndef __TOOLS_H @@ -110,6 +110,7 @@ bool DirectoryOk(const char *DirName, bool LogErrors = false); bool MakeDirs(const char *FileName, bool IsDirectory = false); bool RemoveFileOrDir(const char *FileName, bool FollowSymlinks = false); bool RemoveEmptyDirectories(const char *DirName, bool RemoveThis = false); +int DirSizeMB(const char *DirName); ///< returns the total size of the files in the given directory, or -1 in case of an error char *ReadLink(const char *FileName); ///< returns a new string allocated on the heap, which the caller must delete (or NULL in case of an error) bool SpinUpDisk(const char *FileName); void TouchFile(const char *FileName); @@ -120,6 +121,39 @@ cString DayDateTime(time_t t = 0); cString TimeToString(time_t t); cString DateString(time_t t); cString TimeString(time_t t); +uchar *RgbToJpeg(uchar *Mem, int Width, int Height, int &Size, int Quality = 100); + ///< Converts the given Memory to a JPEG image and returns a pointer + ///< to the resulting image. Mem must point to a data block of exactly + ///< (Width * Height) triplets of RGB image data bytes. Upon return, Size + ///< will hold the number of bytes of the resulting JPEG data. + ///< Quality can be in the range 0..100 and controls the quality of the + ///< resulting image, where 100 is "best". The caller takes ownership of + ///< the result and has to delete it once it is no longer needed. + ///< The result may be NULL in case of an error. + +class cBase64Encoder { +private: + const uchar *data; + int length; + int maxResult; + int i; + char *result; + static const char *b64; +public: + cBase64Encoder(const uchar *Data, int Length, int MaxResult = 64); + ///< Sets up a new base 64 encoder for the given Data, with the given Length. + ///< Data will not be copied and must be valid as long as NextLine() will be + ///< called. MaxResult defines the maximum number of characters in any + ///< result line. The resulting lines may be shorter than MaxResult in case + ///< its value is not a multiple of 4. + ~cBase64Encoder(); + const char *NextLine(void); + ///< Returns the next line of encoded data (terminated by '\0'), or NULL if + ///< there is no more encoded data. The caller must call NextLine() and process + ///< each returned line until NULL is returned, in order to get the entire + ///< data encoded. The returned data is only valid until the next time NextLine() + ///< is called, or until the object is destroyed. + }; class cTimeMs { private: @@ -152,7 +186,7 @@ public: bool Add(int FileHandle, bool Out); bool Poll(int TimeoutMs = 0); }; - + class cReadDir { private: DIR *directory; |