bool UIImage::initWithContentsOfFile(const string &strPath, eImageFormat imageType)
{
	bool bRet = false;
	
	FileData data;
    unsigned long nSize  = 0;
    unsigned char* pBuffer = data.getFileData(strPath.c_str(), "rb", &nSize);

    if (pBuffer)
    {
	    switch (imageType)
	    {
	    case kCCImageFormatPNG:
		    // use libpng load image
		    bRet = loadPngFromStream(pBuffer, nSize);
		    break;
	    case kCCImageFormatJPG:
		    bRet = loadJpgFromStream(pBuffer, nSize);
		    break;
	    default:
		    // unsupported image type
		    bRet = false;
		    break;
	    }
    }

	return bRet;
}
Пример #2
0
	NSDictionary<std::string, NSObject*> *dictionaryWithContentsOfFile(const char *pFileName)
	{
		FileData data;
        unsigned long size = 0;
        char *pBuffer = (char *) data.getFileData(pFileName, "r", &size);

        if (! pBuffer)
        {
            return NULL;
        }
        
		/*
		* this initialize the library and check potential ABI mismatches
		* between the version it was compiled for and the actual shared
		* library used.
		*/
		LIBXML_TEST_VERSION
		xmlSAXHandler saxHandler;
		memset( &saxHandler, 0, sizeof(saxHandler) );
		// Using xmlSAXVersion( &saxHandler, 2 ) generate crash as it sets plenty of other pointers...
		saxHandler.initialized = XML_SAX2_MAGIC;  // so we do this to force parsing as SAX2.
 		saxHandler.startElement = &plist_startElement;
 		saxHandler.endElement = &plist_endElement;
 		saxHandler.characters = &plist_characters;

		int result = xmlSAXUserParseMemory( &saxHandler, this, pBuffer, size );
		if ( result != 0 )
		{
			return NULL;
		}
		/*
		* Cleanup function for the XML library.
		*/
		xmlCleanupParser();
		/*
		* this is to debug memory for regression tests
		*/
		xmlMemoryDump();
		return m_pRootDict;
	}
Пример #3
0
// this is the function to call when we want to load an image
tImageTGA * tgaLoad(const char *pszFilename)
{
    int mode,total;
    tImageTGA *info = NULL;
    FileData data;
    unsigned long nSize = 0;
    unsigned char* pBuffer = data.getFileData(pszFilename, "rb", &nSize);

    do
    {
        CCX_BREAK_IF(! pBuffer);
        info = (tImageTGA *)malloc(sizeof(tImageTGA));

        // get the file header info
        if (! tgaLoadHeader(pBuffer, nSize, info))
        {
            info->status = TGA_ERROR_MEMORY;
            break;
        }

        // check if the image is color indexed
        if (info->type == 1)
        {
            info->status = TGA_ERROR_INDEXED_COLOR;
            break;
        }

        // check for other types (compressed images)
        if ((info->type != 2) && (info->type !=3) && (info->type !=10) )
        {
            info->status = TGA_ERROR_COMPRESSED_FILE;
            break;
        }

        // mode equals the number of image components
        mode = info->pixelDepth / 8;
        // total is the number of unsigned chars to read
        total = info->height * info->width * mode;
        // allocate memory for image pixels
        info->imageData = (unsigned char *)malloc(sizeof(unsigned char) * total);

        // check to make sure we have the memory required
        if (info->imageData == NULL)
        {
            info->status = TGA_ERROR_MEMORY;
            break;
        }

        bool bLoadImage = false;
        // finally load the image pixels
        if ( info->type == 10 )
        {
            bLoadImage = tgaLoadRLEImageData(pBuffer, nSize, info);
        }
        else
        {
            bLoadImage = tgaLoadImageData(pBuffer, nSize, info);
        }

        // check for errors when reading the pixels
        if (! bLoadImage)
        {
            info->status = TGA_ERROR_READING_FILE;
            break;
        }
        info->status = TGA_OK;

        if ( info->flipped )
        {
            tgaFlipImage( info );
            if ( info->flipped )
            {
                info->status = TGA_ERROR_MEMORY;
            }
        }
    } while(0);

    return info;
}
	void CCBMFontConfiguration::parseConfigFile(const char *controlFile)
	{	
		std::string fullpath = CCFileUtils::fullPathFromRelativePath(controlFile);

        FileData data;
        unsigned long nBufSize = 0;
        char* pBuffer = (char*) data.getFileData(fullpath.c_str(), "r", &nBufSize);

        NSAssert(pBuffer, "CCBMFontConfiguration::parseConfigFile | Open file error.");

        if (!pBuffer)
        {
            return;
        }
        
        char LineMax[LINE_MAX_CHAR_NUM] = {0};
        size_t step = 0;
        size_t leftSize = nBufSize - step;

        while (leftSize > 0)
        {
            // clean temp data
            memset(LineMax, 0, sizeof(char) * LINE_MAX_CHAR_NUM);

            // read some data into LineMax[LINE_MAX_CHAR_NUM]
            if (leftSize < LINE_MAX_CHAR_NUM)
            {
                memcpy(LineMax, pBuffer + step, sizeof(char) * leftSize);
            }
            else
            {
                // only read LINE_MAX_CHAR_NUM - 1 char from buffer,to make sure the LineMax is end with '\0'
                memcpy(LineMax, pBuffer + step, sizeof(char) * (LINE_MAX_CHAR_NUM - 1));
            }

            // find the '\n'
            char* pos = strchr(LineMax, '\n');
            size_t lineSize = strlen(LineMax) * sizeof(char);
            if (pos)
            {
                lineSize = (pos - LineMax + 1) * sizeof(char);
                memset(LineMax + lineSize, 0, sizeof(char) * LINE_MAX_CHAR_NUM - lineSize);
            }
            step += lineSize;
            leftSize = nBufSize - step;

            // parse spacing / padding
            std::string line = LineMax;
            if(line.substr(0,strlen("info face")) == "info face") 
            {
                // XXX: info parsing is incomplete
                // Not needed for the Hiero editors, but needed for the AngelCode editor
                //			[self parseInfoArguments:line];
            }
            // Check to see if the start of the line is something we are interested in
            else if(line.substr(0,strlen("common lineHeight")) == "common lineHeight")
            {
                this->parseCommonArguments(line);
            }
            else if(line.substr(0,strlen("page id")) == "page id")
            {
                this->parseImageFileName(line, controlFile);
            }
            else if(line.substr(0,strlen("chars c")) == "chars c")
            {
                // Ignore this line
            }
            else if(line.substr(0,strlen("char")) == "char")
            {
                // Parse the current line and create a new CharDef
                ccBMFontDef characterDefinition;
                this->parseCharacterDefinition(line, &characterDefinition);

                // Add the CharDef returned to the charArray
                m_pBitmapFontArray[ characterDefinition.charID ] = characterDefinition;
            }
            else if(line.substr(0,strlen("kernings count")) == "kernings count")
            {
                this->parseKerningCapacity(line);
            }
            else if(line.substr(0,strlen("kerning first")) == "kerning first")
            {
                this->parseKerningEntry(line);
            }
        }
	}