AerialImageView.h

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/*--------------------------------------------------------------------------------------------
Copyright (c) 2019, NDEVR LLC
tyler.parke@ndevr.org
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 |  \  |  | |  __ \  |  ___|\ \   / / |   __  \
 |   \ |  | | |  \ \ | |___  \ \ / /  |  |__)  |
 |  . \|  | | |__/ / | |___   \ V /   |   _   /
 |  |\    |_|_____/__|_____|___\_/____|  | \  \
 |__| \__________________________________|  \__\
 
Subject to the terms of the Enterprise+ Agreement, NDEVR hereby grants 
Licensee a limited, non-exclusive, non-transferable, royalty-free license 
(without the right to sublicense) to use the API solely for the purpose of 
Licensee's internal development efforts to develop applications for which 
the API was provided.
 
The above copyright notice and this permission notice shall be included in all 
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
 
Library: NDEVR
File: AerialImageView
Included in API: True
Author(s): Tyler Parke
 *-----------------------------------------------------------------------------------------**/
#pragma once
#include "DLLInfo.h"
#include <NDEVR/QCustomStackedWidget.h>
#include <NDEVR/ProgressWidget.h>
#include <NDEVR/ImageView.h>
#include <NDEVR/MercatorImageManager.h>
namespace NDEVR
{
    class BasicThread;
    class Log;
    /**--------------------------------------------------------------------------------------------------
    Class: AerialImageView
 
    \brief A simple widget for showing an AerialImage or top down view rendered with a service like google earth
    A loading screen appears as images are loaded in
    *-----------------------------------------------------------------------------------------------**/
    class NDEVR_API AerialImageView : public QCustomStackedWidget
    {
        Q_OBJECT
    public:
        enum FetchReturn
        {
              e_success
            , e_invalid_size
            , e_could_not_fetch
            , e_no_preview
            , e_cache_change
        };
        AerialImageView(QWidget* parent = nullptr);
        void setCoordinateSpace(const UUID& id);
        void setLocalBounds(const Bounds<3, fltp08>& bounds);
        void updateAerialImage();
        bool previewBoundsTolerable(QSize size) const;
        void resizeEvent(QResizeEvent* event) override;
        virtual void showEvent(QShowEvent* event) override;
        void setAerialImageMode(AerialImageMode mode);
        Bounds<2, fltp08> drawBoundsWGS84() const;
        AerialImageMode aerialImageMode() const {  return m_image_mode; };
        void setDrawBounds(const Bounds<3, fltp08>& draw_bounds){m_draw_bounds = draw_bounds;}
        bool isLoaded() const;
        void setToNoPreview();
    signals:
        void onUserModifiedSignal();
        void onImageLoadedSignal(FetchReturn success);
    protected slots:
        void showContextMenu(const QPoint& pos);
    protected:
        FetchReturn updatePreviewImageFromThread();
    protected:
        ImageView* m_image_view;
        ProgressWidget* m_download_progress;
        AerialImageMode m_image_mode;
        Bounds<3, fltp08> m_draw_bounds;
        UUID m_projection_coordinate_space;
        UUID m_request_id;
        QSize m_last_preview_size;
    };
}