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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright (C) 2011 D. R. Commander. All Rights Reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rfb/PixelFormat.h>
#include <rfb/Exception.h>
#include <rfb/ConnParams.h>
#include <rfb/SMsgWriter.h>
#include <rfb/ColourMap.h>
#include <rfb/TrueColourMap.h>
#include <rfb/PixelBuffer.h>
#include <rfb/ColourCube.h>
#include <rfb/TransImageGetter.h>
using namespace rfb;
TransImageGetter::TransImageGetter(bool econ)
: PixelTransformer(econ), pb(0)
{
}
TransImageGetter::~TransImageGetter()
{
}
void TransImageGetter::init(PixelBuffer* pb_, const PixelFormat& out,
SMsgWriter* writer_, ColourCube* cube_)
{
pb = pb_;
writer = writer_;
PixelTransformer::init(pb->getPF(), pb->getColourMap(), out, cube_,
cmCallback, this);
}
void TransImageGetter::setColourMapEntries(int firstCol, int nCols)
{
PixelTransformer::setColourMapEntries(firstCol, nCols);
}
const rdr::U8 *TransImageGetter::getRawPixelsR(const Rect &r, int *stride)
{
if (!offset.equals(Point(0, 0)))
return pb->getPixelsR(r.translate(offset.negate()), stride);
else
return pb->getPixelsR(r, stride);
}
void TransImageGetter::getImage(void* outPtr, const Rect& r, int outStride)
{
int inStride;
const rdr::U8* inPtr = pb->getPixelsR(r.translate(offset.negate()), &inStride);
if (!outStride) outStride = r.width();
translateRect((void*)inPtr, inStride, Rect(0, 0, r.width(), r.height()),
outPtr, outStride, Point(0, 0));
}
void TransImageGetter::cmCallback(int firstColour, int nColours,
ColourMap* cm, void* data)
{
TransImageGetter *self;
assert(data);
self = (TransImageGetter*)data;
if (self->writer)
self->writer->writeSetColourMapEntries(firstColour, nColours, cm);
}
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