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Merge with develop
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6b24cd95d0
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1 changed files with 54 additions and 2 deletions
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@ -1792,7 +1792,7 @@ void CBitmap::releaseMipMaps()
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\*-------------------------------------------------------------------*/
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void CBitmap::resample(sint32 nNewWidth, sint32 nNewHeight)
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{
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nlassert(PixelFormat == RGBA || PixelFormat == Luminance);
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nlassert(PixelFormat == RGBA || PixelFormat == Luminance || PixelFormat == AlphaLuminance);
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bool needRebuild = false;
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// Deleting mipmaps
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@ -1832,6 +1832,58 @@ void CBitmap::resample(sint32 nNewWidth, sint32 nNewHeight)
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resamplePicture8 (&_Data[0][0], pDestGray, _Width, _Height, nNewWidth, nNewHeight);
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//logResample("Resample: 60");
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}
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else if (PixelFormat == AlphaLuminance)
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{
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pDestui.resize(nNewWidth*nNewHeight*2);
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uint16 *pSrc = (uint16*)&_Data[0][0];
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uint16 *pDest = (uint16*)&pDestui[0];
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size_t srcSize = _Width*_Width;
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uint8 *pSrcGray = new uint8[srcSize];
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uint8 *pSrcAlpha = new uint8[srcSize];
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// set iterators
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uint16 *i = (uint16*)pSrc;
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uint16 *iEnd = (uint16*)i + srcSize;
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uint8 *iGray = pSrcGray;
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uint8 *iAlpha = pSrcAlpha;
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// copy alpha and gray in distinct arrays
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while (i < iEnd)
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{
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*(iGray++) = (*i) & 0xff;
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*(iAlpha++) = ((*i) >> 8) & 0xff;
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++i;
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}
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size_t destSize = nNewWidth*nNewHeight;
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// resample gray values array
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uint8 *pDestGray = new uint8[destSize];
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resamplePicture8(pSrcGray, pDestGray, _Width, _Height, nNewWidth, nNewHeight);
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delete[] pSrcGray;
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// resample alpha values array
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uint8 *pDestAlpha = new uint8[destSize];
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resamplePicture8(pSrcAlpha, pDestAlpha, _Width, _Height, nNewWidth, nNewHeight);
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delete[] pSrcAlpha;
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// set iterators
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i = (uint16*)pDest;
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iEnd = (uint16*)i + destSize;
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iGray = pDestGray;
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iAlpha = pDestAlpha;
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// merge alpha and gray in destination array
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while (i < iEnd)
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{
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*(i++) = *(iGray++) | (*(iAlpha++) << 8);
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}
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delete[] pDestGray;
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delete[] pDestAlpha;
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}
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NLMISC::contReset(_Data[0]); // free memory
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//logResample("Resample: 70");
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@ -2148,7 +2200,7 @@ void CBitmap::resamplePicture32Fast (const NLMISC::CRGBA *pSrc, NLMISC::CRGBA *p
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/*-------------------------------------------------------------------*\
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resamplePicture32
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resamplePicture8
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\*-------------------------------------------------------------------*/
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void CBitmap::resamplePicture8 (const uint8 *pSrc, uint8 *pDest,
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sint32 nSrcWidth, sint32 nSrcHeight,
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