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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2017-06-30 20:13:51 +0200
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2017-07-26 10:12:43 +0200
commitf76c82403888bb498973ec974dbfd20e4edb02fe (patch)
treebe0cb6c112d9d9fb46387fbd114727510197ddec /nxcomp/RenderExtension.h
parent9193d11eeeea933e293acd5e0f03fa4e9887186b (diff)
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nxcomp: Switch to autoreconf.
Diffstat (limited to 'nxcomp/RenderExtension.h')
-rw-r--r--nxcomp/RenderExtension.h504
1 files changed, 0 insertions, 504 deletions
diff --git a/nxcomp/RenderExtension.h b/nxcomp/RenderExtension.h
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--- a/nxcomp/RenderExtension.h
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-/**************************************************************************/
-/* */
-/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
-/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
-/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
-/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
-/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
-/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
-/* */
-/* NXCOMP, NX protocol compression and NX extensions to this software */
-/* are copyright of the aforementioned persons and companies. */
-/* */
-/* Redistribution and use of the present software is allowed according */
-/* to terms specified in the file LICENSE.nxcomp which comes in the */
-/* source distribution. */
-/* */
-/* All rights reserved. */
-/* */
-/* NOTE: This software has received contributions from various other */
-/* contributors, only the core maintainers and supporters are listed as */
-/* copyright holders. Please contact us, if you feel you should be listed */
-/* as copyright holder, as well. */
-/* */
-/**************************************************************************/
-
-#ifndef RenderExtension_H
-#define RenderExtension_H
-
-#include "Message.h"
-
-//
-// Set the verbosity level.
-//
-
-#define PANIC
-#define WARNING
-#undef TEST
-#undef DEBUG
-#undef DUMP
-
-//
-// Compression of data part is not enabled as
-// most messages of this type are smaller than
-// the current data size compression threshold.
-//
-
-#define RENDEREXTENSION_ENABLE_CACHE 1
-#define RENDEREXTENSION_ENABLE_DATA 0
-#define RENDEREXTENSION_ENABLE_SPLIT 0
-#define RENDEREXTENSION_ENABLE_COMPRESS 0
-
-#define RENDEREXTENSION_DATA_LIMIT 6144
-#define RENDEREXTENSION_DATA_OFFSET 36
-
-#define RENDEREXTENSION_CACHE_THRESHOLD 20
-#define RENDEREXTENSION_CACHE_LOWER_THRESHOLD 10
-
-#define RENDEREXTENSION_CACHE_SLOTS_IF_PROTO_STEP_7 8000
-
-//
-// Used to build the table of minor opcodes.
-//
-
-#define RENDEREXTENSION_MINOR_OPCODE_LIMIT 256
-
-//
-// The message class.
-//
-
-class RenderMinorExtensionStore;
-
-class RenderExtensionMessage : public Message
-{
- friend class RenderExtensionStore;
- friend class RenderMinorExtensionStore;
-
- friend class RenderGenericRequestStore;
- friend class RenderCreatePictureStore;
- friend class RenderChangePictureStore;
- friend class RenderFreePictureStore;
- friend class RenderPictureClipStore;
- friend class RenderPictureTransformStore;
- friend class RenderPictureFilterStore;
- friend class RenderCreateGlyphSetStore;
- friend class RenderFreeGlyphSetStore;
- friend class RenderAddGlyphsStore;
- friend class RenderCompositeStore;
- friend class RenderCompositeGlyphsStore;
- friend class RenderFillRectanglesStore;
- friend class RenderTrapezoidsStore;
- friend class RenderTrianglesStore;
-
- public:
-
- RenderExtensionMessage()
- {
- }
-
- ~RenderExtensionMessage()
- {
- }
-
- //
- // We consider for this message a data offset of 36,
- // that is size of the biggest among all requests of
- // this extension. The most common requests have a
- // specific differential encoding, others are simply
- // encoded through an array of int or char caches.
- //
-
- private:
-
- union
- {
- struct
- {
- unsigned char type;
-
- unsigned char char_data[32];
- unsigned short short_data[16];
- unsigned short long_data[8];
- }
- any;
-
- struct
- {
- unsigned char type;
-
- unsigned int src_id;
- unsigned int dst_id;
-
- unsigned int format;
- unsigned int mask;
- }
- create_picture;
-
- struct
- {
- unsigned char type;
-
- unsigned int src_id;
- }
- change_picture;
-
- struct
- {
- unsigned char type;
-
- unsigned int src_id;
- }
- free_picture;
-
- struct
- {
- unsigned char type;
-
- unsigned int src_id;
-
- unsigned short src_x;
- unsigned short src_y;
- }
- picture_clip;
-
- struct
- {
- unsigned char type;
-
- unsigned int src_id;
- }
- picture_transform;
-
- struct
- {
- unsigned char type;
-
- unsigned int src_id;
- unsigned int num_elm;
- }
- picture_filter;
-
- struct
- {
- unsigned char type;
-
- unsigned int set_id;
- unsigned int format;
- }
- create_set;
-
- struct
- {
- unsigned char type;
-
- unsigned int set_id;
- }
- free_set;
-
- struct
- {
- unsigned char type;
-
- unsigned int set_id;
- unsigned int num_elm;
- }
- add_glyphs;
-
- struct
- {
- unsigned char type;
-
- unsigned char op;
-
- unsigned int src_id;
- unsigned int msk_id;
- unsigned int dst_id;
-
- unsigned short src_x;
- unsigned short src_y;
-
- unsigned short msk_x;
- unsigned short msk_y;
-
- unsigned short dst_x;
- unsigned short dst_y;
-
- unsigned short width;
- unsigned short height;
- }
- composite;
-
- struct
- {
- unsigned char type;
-
- unsigned char op;
-
- unsigned char num_elm;
-
- unsigned int src_id;
- unsigned int dst_id;
-
- unsigned int format;
- unsigned int set_id;
-
- unsigned short src_x;
- unsigned short src_y;
-
- unsigned short offset_x;
- unsigned short offset_y;
- }
- composite_glyphs;
-
- struct
- {
- unsigned char type;
-
- unsigned char op;
-
- unsigned int dst_id;
- }
- fill_rectangles;
-
- struct
- {
- unsigned char type;
-
- unsigned char op;
-
- unsigned int src_id;
- unsigned int dst_id;
-
- unsigned int format;
-
- unsigned short src_x;
- unsigned short src_y;
- }
- trapezoids;
-
- struct
- {
- unsigned char type;
-
- unsigned char op;
-
- unsigned int src_id;
- unsigned int dst_id;
-
- unsigned int format;
-
- unsigned short src_x;
- unsigned short src_y;
- }
- triangles;
-
- struct
- {
- unsigned char type;
-
- unsigned char op;
-
- unsigned char num_elm;
-
- unsigned int src_id;
- unsigned int dst_id;
-
- unsigned int format;
- unsigned int set_id;
-
- unsigned short src_x;
- unsigned short src_y;
-
- unsigned short delta_x;
- unsigned short delta_y;
- }
- composite_glyphs_compat;
-
- }
- data;
-};
-
-class RenderExtensionStore : public MessageStore
-{
- public:
-
- RenderExtensionStore(StaticCompressor *compressor);
-
- virtual ~RenderExtensionStore();
-
- virtual const char *name() const
- {
- return "RenderExtension";
- }
-
- virtual unsigned char opcode() const
- {
- return opcode_;
- }
-
- virtual unsigned int storage() const
- {
- return sizeof(RenderExtensionMessage);
- }
-
- //
- // Message handling methods.
- //
-
- public:
-
- virtual Message *create() const
- {
- return new RenderExtensionMessage();
- }
-
- virtual Message *create(const Message &message) const
- {
- return new RenderExtensionMessage((const RenderExtensionMessage &) message);
- }
-
- virtual void destroy(Message *message) const
- {
- delete (RenderExtensionMessage *) message;
- }
-
- //
- // Determine if the message must be stored
- // in the cache.
- //
-
- virtual int validateMessage(const unsigned char *buffer, int size);
-
- //
- // Since protocol step 5 these methods are
- // specialized in their minor opcode stores.
- //
-
- virtual int identitySize(const unsigned char *buffer, unsigned int size);
-
- virtual int encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
- const unsigned int size, int bigEndian,
- ChannelCache *channelCache) const;
-
- virtual int decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
- unsigned int &size, int bigEndian, WriteBuffer *writeBuffer,
- ChannelCache *channelCache) const;
-
- virtual int parseIdentity(Message *message, const unsigned char *buffer,
- unsigned int size, int bigEndian) const;
-
- virtual int unparseIdentity(const Message *message, unsigned char *buffer,
- unsigned int size, int bigEndian) const;
-
- virtual void updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
- const Message *cachedMessage,
- ChannelCache *channelCache) const;
-
- virtual void updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
- ChannelCache *channelCache) const;
-
- virtual void identityChecksum(const Message *message, const unsigned char *buffer,
- unsigned int size, int bigEndian) const;
-
- virtual void dumpIdentity(const Message *message) const;
-
- private:
-
- unsigned char opcode_;
-
- //
- // Keep pointers to specialized classes.
- //
-
- RenderMinorExtensionStore *minors_[RENDEREXTENSION_MINOR_OPCODE_LIMIT];
-
- RenderMinorExtensionStore *generic_;
-};
-
-class RenderMinorExtensionStore : public MinorMessageStore
-{
- public:
-
- virtual const char *name() const = 0;
-
- virtual int identitySize(const unsigned char *buffer, unsigned int size) = 0;
-
- virtual int encodeMessage(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
- const unsigned int size, int bigEndian,
- ChannelCache *channelCache) const = 0;
-
- virtual int decodeMessage(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
- unsigned int &size, unsigned char type, int bigEndian,
- WriteBuffer *writeBuffer, ChannelCache *channelCache) const = 0;
-
- virtual int parseIdentity(Message *message, const unsigned char *buffer,
- unsigned int size, int bigEndian) const = 0;
-
- virtual int unparseIdentity(const Message *message, unsigned char *buffer,
- unsigned int size, int bigEndian) const = 0;
-
- virtual void updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
- const Message *cachedMessage,
- ChannelCache *channelCache) const = 0;
-
- virtual void updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
- ChannelCache *channelCache) const = 0;
-
- virtual void identityChecksum(const Message *message, const unsigned char *buffer,
- unsigned int size, md5_state_t *md5_state,
- int bigEndian) const = 0;
-
- //
- // Internal encode and decode utilities.
- //
-
- protected:
-
- void encodeLongData(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
- unsigned int offset, unsigned int size, int bigEndian,
- ChannelCache *channelCache) const;
-
- void encodeIntData(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
- unsigned int offset, unsigned int size, int bigEndian,
- ChannelCache *channelCache) const;
-
- void encodeCharData(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
- unsigned int offset, unsigned int size, int bigEndian,
- ChannelCache *channelCache) const;
-
- void decodeLongData(DecodeBuffer &decodeBuffer, unsigned char *buffer,
- unsigned int offset, unsigned int size, int bigEndian,
- ChannelCache *channelCache) const;
-
- void decodeIntData(DecodeBuffer &decodeBuffer, unsigned char *buffer,
- unsigned int offset, unsigned int size, int bigEndian,
- ChannelCache *channelCache) const;
-
- void decodeCharData(DecodeBuffer &decodeBuffer, unsigned char *buffer,
- unsigned int offset, unsigned int size, int bigEndian,
- ChannelCache *channelCache) const;
-
- /*
- * The following methods are only used in the
- * encoding of the generic render request. To
- * be removed in future.
- */
-
- void parseIntData(const Message *message, const unsigned char *buffer,
- unsigned int offset, unsigned int size,
- int bigEndian) const;
-
- void unparseIntData(const Message *message, unsigned char *buffer,
- unsigned int offset, unsigned int size,
- int bigEndian) const;
-
- void updateIntData(EncodeBuffer &encodeBuffer, const Message *message,
- const Message *cachedMessage, unsigned int offset,
- unsigned int size, ChannelCache *channelCache) const;
-
- void updateIntData(DecodeBuffer &decodeBuffer, const Message *message,
- unsigned int offset, unsigned int size,
- ChannelCache *channelCache) const;
-};
-
-#endif /* RenderExtension_H */