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|
/*
/--------------------------------------------------------------------
|
| $Id: plfiltervideoinvert.cpp,v 1.9 2004/09/11 12:41:36 uzadow Exp $
|
| Copyright (c) 1996-2002 Ulrich von Zadow
|
\--------------------------------------------------------------------
*/
#include "plfilter.h"
#include "plfiltervideoinvert.h"
#include "plbitmap.h"
#include "plhsvconvert.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
PLFilterVideoInvert::PLFilterVideoInvert() : PLFilter()
{
}
PLFilterVideoInvert::~PLFilterVideoInvert()
{
}
void PLFilterVideoInvert::Apply(PLBmpBase *pBmpSource, PLBmp *pBmpDest) const
{
// Only works for 32 bpp bitmaps at the moment.
PLASSERT (pBmpSource->GetBitsPerPixel() == 32);
pBmpDest->Create (pBmpSource->GetWidth(), pBmpSource->GetHeight(),
PLPixelFormat::X8R8G8B8, NULL, 0, pBmpSource->GetResolution());
PLBYTE ** pSrcLines = pBmpSource->GetLineArray();
PLBYTE ** pDstLines = pBmpDest->GetLineArray();
for (int y = 0; y<pBmpDest->GetHeight(); ++y)
{ // For each line
PLBYTE * pSrcPixel = pSrcLines[y];
PLBYTE * pDstPixel = pDstLines[y];
for (int x = 0; x < pBmpDest->GetWidth(); ++x)
{ // For each pixel
double v1, v2, v3;
v1 = (double)pSrcPixel[PL_RGBA_RED];
v2 = (double)pSrcPixel[PL_RGBA_GREEN];
v3 = (double)pSrcPixel[PL_RGBA_BLUE];
fp_rgb_to_hsv(&v1, &v2, &v3);
v3 = 255.0-v3;
fp_hsv_to_rgb(&v1, &v2, &v3);
*pDstPixel = (int)v3;
pDstPixel++;
*pDstPixel = (int)v2;
pDstPixel++;
*pDstPixel = (int)v1;
pDstPixel++;
pDstPixel++;
/*PLBYTE (pSrcPixel[PL_RGBA_RED]*0.212671+
pSrcPixel[PL_RGBA_GREEN]*0.715160+
pSrcPixel[PL_RGBA_BLUE]*0.072169);*/
pSrcPixel += sizeof(PLPixel32);
}
}
}
/*
/--------------------------------------------------------------------
|
| $Log: plfiltervideoinvert.cpp,v $
| Revision 1.9 2004/09/11 12:41:36 uzadow
| removed plstdpch.h
|
| Revision 1.8 2004/09/09 16:52:45 artcom
| refactored PixelFormat
|
| Revision 1.7 2004/06/15 10:26:13 uzadow
| Initial nonfunctioning version of plbmpbase.
|
| Revision 1.6 2003/11/05 15:17:26 artcom
| Added ability to specify initial data in PLBitmap::Create()
|
| Revision 1.5 2002/08/04 20:08:01 uzadow
| Added PLBmpInfo class, ability to extract metainformation from images without loading the whole image and proper greyscale support.
|
| Revision 1.4 2002/03/31 13:36:42 uzadow
| Updated copyright.
|
| Revision 1.3 2001/10/16 17:12:27 uzadow
| Added support for resolution information (Luca Piergentili)
|
| Revision 1.2 2001/10/06 22:37:08 uzadow
| Linux compatibility.
|
| Revision 1.1 2001/09/16 19:03:23 uzadow
| Added global name prefix PL, changed most filenames.
|
| Revision 1.5 2001/02/04 14:31:52 uzadow
| Member initialization list cleanup (Erik Hoffmann).
|
| Revision 1.4 2001/01/15 15:05:31 uzadow
| Added PLBmp::ApplyFilter() and PLBmp::CreateFilteredCopy()
|
| Revision 1.3 2000/12/18 22:42:53 uzadow
| Replaced RGBAPIXEL with PLPixel32.
|
| Revision 1.2 2000/10/12 21:56:12 uzadow
| Moved local functions from VideoInvertFilter.cpp to
| hsvconvert.*
|
| Revision 1.1 2000/03/31 12:20:06 Ulrich von Zadow
| Video invert filter (beta)
|
|
|
\--------------------------------------------------------------------
*/
|
