575 lines
18 KiB
C++
575 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <cassert>
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#include <unordered_map>
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#include <sstream>
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#include <string>
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#include "Exceptions.hpp"
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#include <Protocol.hpp>
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#define TILE_WIRE_ID
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using TileWireId = uint32_t;
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using TileBinaryHash = uint64_t;
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/// Tile Descriptor
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/// Represents a tile's coordinates and dimensions.
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class TileDesc final
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{
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public:
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TileDesc(int normalizedViewId, int part, int width, int height, int tilePosX, int tilePosY, int tileWidth,
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int tileHeight, int ver, int imgSize, int id, bool broadcast)
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: _normalizedViewId(normalizedViewId)
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, _part(part)
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, _width(width)
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, _height(height)
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, _tilePosX(tilePosX)
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, _tilePosY(tilePosY)
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, _tileWidth(tileWidth)
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, _tileHeight(tileHeight)
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, _ver(ver)
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, _imgSize(imgSize)
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, _id(id)
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, _broadcast(broadcast)
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, _oldWireId(0)
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, _wireId(0)
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{
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if (_normalizedViewId < 0 ||
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_part < 0 ||
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_width <= 0 ||
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_height <= 0 ||
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_tilePosX < 0 ||
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_tilePosY < 0 ||
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_tileWidth <= 0 ||
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_tileHeight <= 0 ||
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_imgSize < 0)
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{
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throw BadArgumentException("Invalid tile descriptor.");
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}
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}
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int getNormalizedViewId() const { return _normalizedViewId; }
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void setNormalizedViewId(const int normalizedViewId) { _normalizedViewId = normalizedViewId; }
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int getPart() const { return _part; }
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int getWidth() const { return _width; }
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int getHeight() const { return _height; }
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int getTilePosX() const { return _tilePosX; }
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int getTilePosY() const { return _tilePosY; }
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int getTileWidth() const { return _tileWidth; }
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int getTileHeight() const { return _tileHeight; }
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int getVersion() const { return _ver; }
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void setVersion(const int ver) { _ver = ver; }
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int getImgSize() const { return _imgSize; }
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void setImgSize(const int imgSize) { _imgSize = imgSize; }
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int getId() const { return _id; }
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bool getBroadcast() const { return _broadcast; }
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void setOldWireId(TileWireId id) { _oldWireId = id; }
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TileWireId getOldWireId() const { return _oldWireId; }
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void setWireId(TileWireId id) { _wireId = id; }
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TileWireId getWireId() const { return _wireId; }
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bool operator==(const TileDesc& other) const
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{
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return _part == other._part &&
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_width == other._width &&
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_height == other._height &&
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_tilePosX == other._tilePosX &&
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_tilePosY == other._tilePosY &&
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_tileWidth == other._tileWidth &&
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_tileHeight == other._tileHeight &&
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_id == other._id &&
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_broadcast == other._broadcast &&
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_normalizedViewId == other._normalizedViewId;
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}
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static bool rectanglesIntersect(int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2)
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{
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return x1 + w1 >= x2 &&
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x1 <= x2 + w2 &&
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y1 + h1 >= y2 &&
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y1 <= y2 + h2;
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}
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bool intersectsWithRect(int x, int y, int w, int h) const
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{
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return rectanglesIntersect(getTilePosX(), getTilePosY(), getTileWidth(), getTileHeight(), x, y, w, h);
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}
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bool intersects(const TileDesc& other) const
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{
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return intersectsWithRect(other.getTilePosX(), other.getTilePosY(),
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other.getTileWidth(), other.getTileHeight());
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}
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bool isAdjacent(const TileDesc& other) const
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{
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if (other.getPart() != getPart() ||
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other.getWidth() != getWidth() ||
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other.getHeight() != getHeight() ||
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other.getTileWidth() != getTileWidth() ||
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other.getTileHeight() != getTileHeight())
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{
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return false;
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}
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return intersects(other);
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}
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bool onSameRow(const TileDesc& other) const
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{
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if (other.getPart() != getPart() ||
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other.getWidth() != getWidth() ||
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other.getHeight() != getHeight() ||
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other.getTileWidth() != getTileWidth() ||
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other.getTileHeight() != getTileHeight() ||
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other.getNormalizedViewId() != getNormalizedViewId())
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{
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return false;
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}
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return other.getTilePosY() + other.getTileHeight() >= getTilePosY() &&
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other.getTilePosY() <= getTilePosY() + getTileHeight();
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}
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bool canCombine(const TileDesc& other) const
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{
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if (!onSameRow(other))
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return false;
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const int gridX = getTilePosX() / getTileWidth();
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const int gridXOther = other.getTilePosX() / other.getTileWidth();
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const int delta = gridX - gridXOther;
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// a 4k screen - is sixteen 256 pixel wide tiles wide.
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return (delta >= -16 && delta <= 16);
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}
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/// Serialize this instance into a string.
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/// Optionally prepend a prefix.
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std::string serialize(const std::string& prefix = std::string(),
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const std::string& suffix = std::string()) const
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{
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std::ostringstream oss;
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oss << prefix
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<< " nviewid=" << _normalizedViewId
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<< " part=" << _part
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<< " width=" << _width
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<< " height=" << _height
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<< " tileposx=" << _tilePosX
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<< " tileposy=" << _tilePosY
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<< " tilewidth=" << _tileWidth
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<< " tileheight=" << _tileHeight
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<< " oldwid=" << _oldWireId
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<< " wid=" << _wireId;
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// Anything after ver is optional.
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oss << " ver=" << _ver;
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if (_id >= 0)
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{
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oss << " id=" << _id;
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}
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if (_imgSize > 0)
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{
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oss << " imgsize=" << _imgSize;
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}
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if (_broadcast)
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{
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oss << " broadcast=yes";
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}
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oss << suffix;
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return oss.str();
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}
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/// short name for a tile for debugging.
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std::string debugName() const
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{
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std::ostringstream oss;
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oss << '(' << getNormalizedViewId() << ',' << getPart() << ',' << getTilePosX() << ',' << getTilePosY() << ')';
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return oss.str();
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}
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/// Deserialize a TileDesc from a tokenized string.
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static TileDesc parse(const StringVector& tokens)
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{
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// We don't expect undocumented fields and
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// assume all values to be int.
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std::unordered_map<std::string, int> pairs(16);
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// Optional.
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pairs["ver"] = -1;
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pairs["imgsize"] = 0;
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pairs["id"] = -1;
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TileWireId oldWireId = 0;
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TileWireId wireId = 0;
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for (size_t i = 0; i < tokens.size(); ++i)
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{
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if (LOOLProtocol::getTokenUInt32(tokens[i], "oldwid", oldWireId))
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;
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else if (LOOLProtocol::getTokenUInt32(tokens[i], "wid", wireId))
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;
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else
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{
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std::string name;
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int value = -1;
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if (LOOLProtocol::parseNameIntegerPair(tokens[i], name, value))
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{
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pairs[name] = value;
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}
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}
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}
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std::string s;
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const bool broadcast = (LOOLProtocol::getTokenString(tokens, "broadcast", s) &&
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s == "yes");
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TileDesc result(pairs["nviewid"], pairs["part"], pairs["width"], pairs["height"],
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pairs["tileposx"], pairs["tileposy"],
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pairs["tilewidth"], pairs["tileheight"],
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pairs["ver"],
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pairs["imgsize"], pairs["id"], broadcast);
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result.setOldWireId(oldWireId);
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result.setWireId(wireId);
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return result;
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}
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/// Deserialize a TileDesc from a string format.
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static TileDesc parse(const std::string& message)
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{
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return parse(Util::tokenize(message.data(), message.size()));
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}
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std::string generateID() const
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{
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std::ostringstream tileID;
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tileID << getPart() << ':' << getTilePosX() << ':' << getTilePosY() << ':'
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<< getTileWidth() << ':' << getTileHeight() << ':' << getNormalizedViewId();
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return tileID.str();
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}
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private:
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int _normalizedViewId;
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int _part;
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int _width;
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int _height;
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int _tilePosX;
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int _tilePosY;
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int _tileWidth;
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int _tileHeight;
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int _ver; //< Versioning support.
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int _imgSize; //< Used for responses.
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int _id;
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bool _broadcast;
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TileWireId _oldWireId;
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TileWireId _wireId;
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};
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/// One or more tile header.
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/// Used to request the rendering of multiple
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/// tiles as well as the header of the response.
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class TileCombined final
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{
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private:
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TileCombined(int normalizedViewId, int part, int width, int height,
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const std::string& tilePositionsX, const std::string& tilePositionsY,
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int tileWidth, int tileHeight, const std::string& vers,
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const std::string& imgSizes,
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const std::string& oldWireIds,
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const std::string& wireIds) :
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_normalizedViewId(normalizedViewId),
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_part(part),
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_width(width),
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_height(height),
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_tileWidth(tileWidth),
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_tileHeight(tileHeight)
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{
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if (_part < 0 ||
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_width <= 0 ||
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_height <= 0 ||
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_tileWidth <= 0 ||
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_tileHeight <= 0)
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{
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throw BadArgumentException("Invalid tilecombine descriptor.");
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}
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StringVector positionXtokens(Util::tokenize(tilePositionsX, ','));
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StringVector positionYtokens(Util::tokenize(tilePositionsY, ','));
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StringVector imgSizeTokens(Util::tokenize(imgSizes, ','));
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StringVector verTokens(Util::tokenize(vers, ','));
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StringVector oldWireIdTokens(Util::tokenize(oldWireIds, ','));
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StringVector wireIdTokens(Util::tokenize(wireIds, ','));
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const size_t numberOfPositions = positionXtokens.size();
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// check that the comma-separated strings have the same number of elements
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if (numberOfPositions != positionYtokens.size() ||
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(!imgSizes.empty() && numberOfPositions != imgSizeTokens.size()) ||
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(!vers.empty() && numberOfPositions != verTokens.size()) ||
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(!oldWireIds.empty() && numberOfPositions != oldWireIdTokens.size()) ||
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(!wireIds.empty() && numberOfPositions != wireIdTokens.size()))
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{
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throw BadArgumentException("Invalid tilecombine descriptor. Unequal number of tiles in parameters.");
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}
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for (size_t i = 0; i < numberOfPositions; ++i)
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{
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int x = 0;
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if (!LOOLProtocol::stringToInteger(positionXtokens[i], x))
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{
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throw BadArgumentException("Invalid 'tileposx' in tilecombine descriptor.");
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}
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int y = 0;
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if (!LOOLProtocol::stringToInteger(positionYtokens[i], y))
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{
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throw BadArgumentException("Invalid 'tileposy' in tilecombine descriptor.");
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}
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int imgSize = 0;
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if (!imgSizeTokens.empty() && !LOOLProtocol::stringToInteger(imgSizeTokens[i], imgSize))
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{
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throw BadArgumentException("Invalid 'imgsize' in tilecombine descriptor.");
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}
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int ver = -1;
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if (!verTokens.empty() && !verTokens[i].empty() && !LOOLProtocol::stringToInteger(verTokens[i], ver))
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{
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throw BadArgumentException("Invalid 'ver' in tilecombine descriptor.");
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}
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TileWireId oldWireId = 0;
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if (!oldWireIdTokens.empty() && !LOOLProtocol::stringToUInt32(oldWireIdTokens[i], oldWireId))
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{
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throw BadArgumentException("Invalid tilecombine descriptor.");
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}
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TileWireId wireId = 0;
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if (!wireIdTokens.empty() && !LOOLProtocol::stringToUInt32(wireIdTokens[i], wireId))
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{
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throw BadArgumentException("Invalid tilecombine descriptor.");
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}
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_tiles.emplace_back(_normalizedViewId, _part, _width, _height, x, y, _tileWidth, _tileHeight, ver, imgSize, -1, false);
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_tiles.back().setOldWireId(oldWireId);
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_tiles.back().setWireId(wireId);
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}
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}
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public:
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int getNormalizedViewId() const { return _normalizedViewId; }
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int getPart() const { return _part; }
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int getWidth() const { return _width; }
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int getHeight() const { return _height; }
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int getTileWidth() const { return _tileWidth; }
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int getTileHeight() const { return _tileHeight; }
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const std::vector<TileDesc>& getTiles() const { return _tiles; }
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std::vector<TileDesc>& getTiles() { return _tiles; }
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void setNormalizedViewId(int nViewId)
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{
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for (auto& tile : getTiles())
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tile.setNormalizedViewId(nViewId);
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_normalizedViewId = nViewId;
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}
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/// Serialize this instance into a string.
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/// Optionally prepend a prefix.
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std::string serialize(const std::string& prefix = std::string(),
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const std::string& suffix = std::string()) const
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{
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return serialize(prefix, suffix, _tiles);
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}
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std::string serialize(const std::string& prefix, const std::string &suffix,
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const std::vector<TileDesc> &tiles) const
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{
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std::ostringstream oss;
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oss << prefix
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<< " nviewid=" << _normalizedViewId
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<< " part=" << _part
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<< " width=" << _width
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<< " height=" << _height
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<< " tileposx=";
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for (const auto& tile : tiles)
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{
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oss << tile.getTilePosX() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // Seek back over last comma, overwritten below.
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oss << " tileposy=";
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for (const auto& tile : tiles)
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{
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oss << tile.getTilePosY() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // Ditto.
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oss << " imgsize=";
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for (const auto& tile : tiles)
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{
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oss << tile.getImgSize() << ','; // Ditto.
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}
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oss.seekp(-1, std::ios_base::cur);
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oss << " tilewidth=" << _tileWidth
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<< " tileheight=" << _tileHeight;
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oss << " ver=";
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for (const auto& tile : tiles)
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{
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oss << tile.getVersion() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // Ditto.
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oss << " oldwid=";
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for (const auto& tile : tiles)
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{
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oss << tile.getOldWireId() << ',';
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}
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oss.seekp(-1, std::ios_base::cur); // Ditto
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oss << " wid=";
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bool comma = false;
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for (const auto& tile : tiles)
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{
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if (comma)
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oss << ',';
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oss << tile.getWireId();
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comma = true;
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}
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oss << suffix;
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return oss.str();
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}
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/// Deserialize a TileDesc from a tokenized string.
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static TileCombined parse(const StringVector& tokens)
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{
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// We don't expect undocumented fields and
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// assume all values to be int.
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std::unordered_map<std::string, int> pairs(16);
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std::string tilePositionsX;
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std::string tilePositionsY;
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std::string imgSizes;
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std::string versions;
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std::string oldwireIds;
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std::string wireIds;
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for (const auto& token : tokens)
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{
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std::string name;
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std::string value;
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if (LOOLProtocol::parseNameValuePair(tokens.getParam(token), name, value))
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{
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if (name == "tileposx")
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{
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tilePositionsX = value;
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}
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else if (name == "tileposy")
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{
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tilePositionsY = value;
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}
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else if (name == "imgsize")
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{
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imgSizes = value;
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}
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else if (name == "ver")
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{
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versions = value;
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}
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else if (name == "oldwid")
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{
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oldwireIds = value;
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}
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else if (name == "wid")
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{
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wireIds = value;
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}
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else
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{
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int v = 0;
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if (LOOLProtocol::stringToInteger(value, v))
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{
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pairs[name] = v;
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}
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}
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}
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}
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return TileCombined(pairs["nviewid"], pairs["part"], pairs["width"], pairs["height"],
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tilePositionsX, tilePositionsY,
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pairs["tilewidth"], pairs["tileheight"],
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versions, imgSizes, oldwireIds, wireIds);
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}
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/// Deserialize a TileDesc from a string format.
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static TileCombined parse(const std::string& message)
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{
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return parse(Util::tokenize(message.data(), message.size()));
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}
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static TileCombined create(const std::vector<TileDesc>& tiles)
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{
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assert(!tiles.empty());
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std::ostringstream xs;
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std::ostringstream ys;
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std::ostringstream vers;
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std::ostringstream oldhs;
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|
std::ostringstream hs;
|
|
|
|
for (const auto& tile : tiles)
|
|
{
|
|
xs << tile.getTilePosX() << ',';
|
|
ys << tile.getTilePosY() << ',';
|
|
vers << tile.getVersion() << ',';
|
|
oldhs << tile.getOldWireId() << ',';
|
|
hs << tile.getWireId() << ',';
|
|
}
|
|
|
|
vers.seekp(-1, std::ios_base::cur); // Remove last comma.
|
|
return TileCombined(tiles[0].getNormalizedViewId(), tiles[0].getPart(), tiles[0].getWidth(), tiles[0].getHeight(),
|
|
xs.str(), ys.str(), tiles[0].getTileWidth(), tiles[0].getTileHeight(),
|
|
vers.str(), "", oldhs.str(), hs.str());
|
|
}
|
|
|
|
/// To support legacy / under-used renderTile
|
|
explicit TileCombined(const TileDesc &desc)
|
|
{
|
|
_part = desc.getPart();
|
|
_width = desc.getWidth();
|
|
_height = desc.getHeight();
|
|
_tileWidth = desc.getTileWidth();
|
|
_tileHeight = desc.getTileHeight();
|
|
_normalizedViewId = desc.getNormalizedViewId();
|
|
_tiles.push_back(desc);
|
|
}
|
|
|
|
private:
|
|
std::vector<TileDesc> _tiles;
|
|
int _normalizedViewId;
|
|
int _part;
|
|
int _width;
|
|
int _height;
|
|
int _tileWidth;
|
|
int _tileHeight;
|
|
};
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|