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3rdparty: update OpenEXR 2.3.0 (#14725) * openexr 2.2.1 * openexr 2.3.0 * openexr: build fixes * openexr: build dwa tables on-demand
188 lines
6.3 KiB
C++
188 lines
6.3 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2007, Weta Digital Ltd
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Weta Digital nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDED_IMF_MULTIVIEW_H
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#define INCLUDED_IMF_MULTIVIEW_H
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#include "ImfChannelList.h"
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#include "ImfStringVectorAttribute.h"
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#include "ImfExport.h"
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#include "ImfNamespace.h"
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//-----------------------------------------------------------------------------
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//
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// Functions related to accessing channels and views in multi-view
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// OpenEXR files.
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//
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// A multi-view image file contains two or more views of the same
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// scene, as seen from different viewpoints, for example, a left-eye
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// and a right-eye view for stereo displays. Each view has its own
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// set of image channels. A naming convention identifies the channels
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// that belong to a given view.
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//
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// A "multiView" attribute in the file header lists the names of the
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// views in an image (see ImfStandardAttributes.h), and channel names
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// of the form
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//
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// layer.view.channel
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//
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// allow channels to be matched with views.
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//
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// For compatibility with singe-view images, the first view listed in
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// the multiView attribute is the "default view", and channels that
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// have no periods in their names are considered part of the default
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// view.
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//
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// For example, if a file's multiView attribute lists the views
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// "left" and "right", in that order, then "left" is the default
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// view. Channels
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//
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// "R", "left.Z", "diffuse.left.R"
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//
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// are part of the "left" view; channels
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//
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// "right.R", "right.Z", "diffuse.right.R"
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//
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// are part of the "right" view; and channels
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//
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// "tmp.R", "right.diffuse.R", "diffuse.tmp.R"
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//
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// belong to no view at all.
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//
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//-----------------------------------------------------------------------------
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
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//
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// Return the name of the default view given a multi-view string vector,
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// that is, return the first element of the string vector. If the string
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// vector is empty, return "".
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//
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IMF_EXPORT
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std::string defaultViewName (const StringVector &multiView);
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//
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// Given the name of a channel, return the name of the view to
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// which it belongs. Returns the empty string ("") if the channel
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// is not a member of any named view.
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//
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IMF_EXPORT
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std::string viewFromChannelName (const std::string &channel,
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const StringVector &multiView);
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//
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// Return whether channel1 and channel2 are the same channel but
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// viewed in different views. (Return false if either channel
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// belongs to no view or if both channels belong to the same view.)
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//
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IMF_EXPORT
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bool areCounterparts (const std::string &channel1,
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const std::string &channel2,
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const StringVector &multiView);
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//
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// Return a list of all channels belonging to view viewName.
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//
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IMF_EXPORT
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ChannelList channelsInView (const std::string &viewName,
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const ChannelList &channelList,
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const StringVector &multiView);
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//
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// Return a list of channels not associated with any view.
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//
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IMF_EXPORT
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ChannelList channelsInNoView (const ChannelList &channelList,
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const StringVector &multiView);
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//
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// Given the name of a channel, return a list of the same channel
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// in all views (for example, given X.left.Y return X.left.Y,
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// X.right.Y, X.centre.Y, etc.).
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//
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IMF_EXPORT
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ChannelList channelInAllViews (const std::string &channame,
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const ChannelList &channelList,
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const StringVector &multiView);
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//
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// Given the name of a channel in one view, return the corresponding
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// channel name for view otherViewName. Return "" if no corresponding
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// channel exists in view otherViewName, or if view otherViewName doesn't
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// exist.
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//
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IMF_EXPORT
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std::string channelInOtherView (const std::string &channel,
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const ChannelList &channelList,
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const StringVector &multiView,
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const std::string &otherViewName);
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//
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// Given a channel name that does not include a view name, insert
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// multiView[i] into the channel name at the appropriate location.
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// If i is zero and the channel name contains no periods, then do
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// not insert the view name.
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//
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IMF_EXPORT
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std::string insertViewName (const std::string &channel,
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const StringVector &multiView,
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int i);
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//
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// Given a channel name that does may include a view name, return
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// string without the view name. If the string does not contain
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// the view name, return the string unaltered.
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// (Will only remove the viewname if it is in the correct position
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// in the string)
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//
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IMF_EXPORT
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std::string removeViewName (const std::string &channel,
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const std::string &view);
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OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
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#endif
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