711f274403
* Use target_include_directories to specify include paths * Specify project root (parent of rtgui and rtengine) as include path * Replace relative includes with normal includes
88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <list>
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#include <memory>
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#include <gtkmm.h>
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#include "guiutils.h"
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#include "threadutils.h"
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#include "rtengine/noncopyable.h"
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#include "rtengine/rtengine.h"
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class PreviewListener
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{
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public:
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virtual ~PreviewListener() = default;
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virtual void previewImageChanged() = 0;
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};
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class PreviewHandler;
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struct PreviewHandlerIdleHelper {
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PreviewHandler* phandler;
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bool destroyed;
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int pending;
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};
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class PreviewHandler final : public rtengine::PreviewImageListener, public rtengine::NonCopyable
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{
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private:
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friend int setImageUI (void* data);
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friend int delImageUI (void* data);
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friend int imageReadyUI (void* data);
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IdleRegister idle_register;
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protected:
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rtengine::IImage8* image;
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const std::unique_ptr<rtengine::procparams::CropParams> cropParams;
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double previewScale;
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PreviewHandlerIdleHelper* pih;
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std::list<PreviewListener*> listeners;
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MyMutex previewImgMutex;
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Glib::RefPtr<Gdk::Pixbuf> previewImg;
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public:
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PreviewHandler ();
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~PreviewHandler () override;
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void addPreviewImageListener (PreviewListener* l)
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{
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listeners.push_back (l);
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}
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// previewimagelistener
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void setImage(rtengine::IImage8* img, double scale, const rtengine::procparams::CropParams& cp) override;
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void delImage(rtengine::IImage8* img) override;
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void imageReady(const rtengine::procparams::CropParams& cp) override;
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// this function is called when a new preview image arrives from rtengine
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void previewImageChanged ();
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// with this function it is possible to ask for a rough approximation of a (possibly zoomed) crop of the image
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Glib::RefPtr<Gdk::Pixbuf> getRoughImage (int x, int y, int w, int h, double zoom);
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Glib::RefPtr<Gdk::Pixbuf> getRoughImage (int desiredW, int desiredH, double& zoom);
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rtengine::procparams::CropParams getCropParams ();
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};
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