87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2014, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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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 Industrial Light & Magic 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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//----------------------------------------------------------------------------
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//
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// Function dataWindowForFile()
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//
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//----------------------------------------------------------------------------
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#include "ImfImageDataWindow.h"
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#include "ImfImage.h"
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#include <ImfHeader.h>
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#include <Iex.h>
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#include <algorithm>
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#include <cassert>
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using namespace IMATH_NAMESPACE;
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using namespace IEX_NAMESPACE;
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using namespace std;
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OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
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Box2i
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dataWindowForFile (const Header &hdr, const Image &img, DataWindowSource dws)
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{
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switch (dws)
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{
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case USE_IMAGE_DATA_WINDOW:
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return img.dataWindow();
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case USE_HEADER_DATA_WINDOW:
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{
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if (img.levelMode() != ONE_LEVEL)
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throw ArgExc ("Cannot crop multi-resolution images.");
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const Box2i &hdw = hdr.dataWindow();
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const Box2i &idw = img.dataWindow();
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return Box2i (V2i (max (hdw.min.x, idw.min.x),
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max (hdw.min.y, idw.min.y)),
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V2i (min (hdw.max.x, idw.max.x),
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min (hdw.max.y, idw.max.y)));
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}
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default:
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assert (false);
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}
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}
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OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
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