//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#include "pxr/imaging/glf/image.h"
#include "pxr/imaging/glf/imageRegistry.h"

#include "pxr/base/tf/type.h"

PXR_NAMESPACE_OPEN_SCOPE


TF_REGISTRY_FUNCTION(TfType)
{
    TfType::Define<GlfImage>();
}

GlfImage::~GlfImage()
{
}

/* static */
bool
GlfImage::IsSupportedImageFile(std::string const & filename)
{
    GlfImageRegistry & registry = GlfImageRegistry::GetInstance();
    return registry.IsSupportedImageFile(filename);
}

/* static */
GlfImageSharedPtr
GlfImage::OpenForReading(std::string const & filename, int subimage,
                         int mip, bool suppressErrors)
{
    GlfImageRegistry & registry = GlfImageRegistry::GetInstance();

    GlfImageSharedPtr image = registry._ConstructImage(filename);
    if (!image || !image->_OpenForReading(filename, subimage,
                                          mip, suppressErrors)) {
        return GlfImageSharedPtr();
    }

    return image;
}

/* static */
GlfImageSharedPtr
GlfImage::OpenForWriting(std::string const & filename)
{
    GlfImageRegistry & registry = GlfImageRegistry::GetInstance();

    GlfImageSharedPtr image = registry._ConstructImage(filename);
    if (!image || !image->_OpenForWriting(filename)) {
        return GlfImageSharedPtr();
    }

    return image;
}

PXR_NAMESPACE_CLOSE_SCOPE