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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::getRawBufferR(const Rect &r, int *stride)
- {
- if (!offset.equals(Point(0, 0)))
- return pb->getBuffer(r.translate(offset.negate()), stride);
- else
- return pb->getBuffer(r, stride);
- }
-
- void TransImageGetter::getImage(void* outPtr, const Rect& r, int outStride)
- {
- int inStride;
- const rdr::U8* inPtr = pb->getBuffer(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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