Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@589 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/TransImageGetter.h b/common/rfb/TransImageGetter.h
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+++ b/common/rfb/TransImageGetter.h
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+/* Copyright (C) 2002-2005 RealVNC Ltd. 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.
+ */
+//
+// TransImageGetter - class to perform translation between pixel formats,
+// implementing the ImageGetter interface.
+//
+
+#ifndef __RFB_TRANSIMAGEGETTER_H__
+#define __RFB_TRANSIMAGEGETTER_H__
+
+#include <rfb/Rect.h>
+#include <rfb/PixelFormat.h>
+#include <rfb/ImageGetter.h>
+
+namespace rfb {
+ typedef void (*transFnType)(void* table_,
+ const PixelFormat& inPF, void* inPtr,
+ int inStride,
+ const PixelFormat& outPF, void* outPtr,
+ int outStride, int width, int height);
+
+ class SMsgWriter;
+ class ColourMap;
+ class PixelBuffer;
+ class ColourCube;
+
+ class TransImageGetter : public ImageGetter {
+ public:
+
+ TransImageGetter(bool econ=false);
+ virtual ~TransImageGetter();
+
+ // init() is called to initialise the translation tables. The PixelBuffer
+ // argument gives the source data and format details, outPF gives the
+ // client's pixel format. If the client has a colour map, then the writer
+ // argument is used to send a SetColourMapEntries message to the client.
+
+ void init(PixelBuffer* pb, const PixelFormat& outPF, SMsgWriter* writer=0,
+ ColourCube* cube=0);
+
+ // setColourMapEntries() is called when the PixelBuffer has a colour map
+ // which has changed. firstColour and nColours specify which part of the
+ // colour map has changed. If nColours is 0, this means the rest of the
+ // colour map. The PixelBuffer previously passed to init() must have a
+ // valid ColourMap object. If the client also has a colour map, then the
+ // writer argument is used to send a SetColourMapEntries message to the
+ // client. If the client is true colour then instead we update the
+ // internal translation table - in this case the caller should also make
+ // sure that the client receives an update of the relevant parts of the
+ // framebuffer (the simplest thing to do is just update the whole
+ // framebuffer, though it is possible to be smarter than this).
+
+ void setColourMapEntries(int firstColour, int nColours,
+ SMsgWriter* writer=0);
+
+ // getImage() gets the given rectangle of data from the PixelBuffer,
+ // translates it into the client's pixel format and puts it in the buffer
+ // pointed to by the outPtr argument. The optional outStride argument can
+ // be used where padding is required between the output scanlines (the
+ // padding will be outStride-r.width() pixels).
+ void getImage(void* outPtr, const Rect& r, int outStride=0);
+
+ // translatePixels() translates the given number of pixels from inPtr,
+ // putting it into the buffer pointed to by outPtr. The pixels at inPtr
+ // should be in the same format as the PixelBuffer, and the translated
+ // pixels will be in the format previously given by the outPF argument to
+ // init(). Note that this call does not use the PixelBuffer's pixel data.
+ void translatePixels(void* inPtr, void* outPtr, int nPixels) const;
+
+ // setPixelBuffer() changes the pixel buffer to be used. The new pixel
+ // buffer MUST have the same pixel format as the old one - if not you
+ // should call init() instead.
+ void setPixelBuffer(PixelBuffer* pb_) { pb = pb_; }
+
+ // setOffset() sets an offset which is subtracted from the coordinates of
+ // the rectangle given to getImage().
+ void setOffset(const Point& offset_) { offset = offset_; }
+
+ private:
+ bool economic;
+ PixelBuffer* pb;
+ PixelFormat outPF;
+ rdr::U8* table;
+ transFnType transFn;
+ ColourCube* cube;
+ Point offset;
+ };
+}
+#endif