CCImageCommonWebp

#include "platform/CCImage.h"

#include "textures/CCTexture2D.h"

#if defined(__native_client__) || defined(EMSCRIPTEN)

// TODO(sbc): I'm pretty sure all platforms should be including

// webph headers in this way.

#include "webp/decode.h"

#else

#include "decode.h"

#endif

#include "ccMacros.h"

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

NS_CC_BEGIN

bool CCImage::_initWithWebpData(void *pData, int nDataLen)

{

bool bRet = false;

do

{

        WebPDecoderConfig config;

        if (WebPInitDecoderConfig(&config) == 0) break;

        if (WebPGetFeatures((uint8_t*)pData, nDataLen, &config.input) != VP8_STATUS_OK) break;

        if (config.input.width == 0 || config.input.height == 0) break;

        

        config.output.colorspace = MODE_RGBA;

        m_nBitsPerComponent = 8;

        m_nWidth    = config.input.width;

        m_nHeight   = config.input.height;

        m_bHasAlpha = true;

        

        int bufferSize = m_nWidth * m_nHeight * 4;

        m_pData = new unsigned char[bufferSize];

        

        config.output.u.RGBA.rgba = (uint8_t*)m_pData;

        config.output.u.RGBA.stride = m_nWidth * 4;

        config.output.u.RGBA.size = bufferSize;

        config.output.is_external_memory = 1;

        if (WebPDecode((uint8_t*)pData, nDataLen, &config) != VP8_STATUS_OK)

        {

            delete []m_pData;

            m_pData = NULL;

            break;

        }

               

        bRet = true;

} while (0);

return bRet;

}

NS_CC_END