Pipette and "On Preview Widgets" branch. See issue 227

The pipette part is already working quite nice but need to be finished. The widgets part needs more work...
2014-01-21 23:37:36 +01:00
commit 8b2eac9a3d
1631 changed files with 379231 additions and 0 deletions
--- a/rtgui/previewhandler.h
+++ b/rtgui/previewhandler.h
@@ -0,0 +1,77 @@
+/*
+ *  This file is part of RawTherapee.
+ *
+ *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
+ *
+ *  RawTherapee is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  RawTherapee is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _PREVIEWHANDLER_
+#define _PREVIEWHANDLER_
+
+#include "../rtengine/rtengine.h"
+#include "threadutils.h"
+#include <gtkmm.h>
+#include <list>
+
+class PreviewListener {
+    
+    public:
+        virtual ~PreviewListener () {}
+        virtual void previewImageChanged () {}
+};
+
+class PreviewHandler;
+struct PreviewHandlerIdleHelper {
+    PreviewHandler* phandler;
+    bool destroyed;
+    int pending;
+};
+
+class PreviewHandler : public rtengine::PreviewImageListener {
+
+    friend int setImageUI   (void* data);
+    friend int delImageUI   (void* data);
+    friend int imageReadyUI (void* data);
+
+    protected:
+        rtengine::IImage8* image;
+        rtengine::procparams::CropParams cropParams;
+        double previewScale;
+        PreviewHandlerIdleHelper* pih;
+        std::list<PreviewListener*> listeners;
+        MyMutex previewImgMutex;
+        Glib::RefPtr<Gdk::Pixbuf> previewImg;
+
+    public:
+
+        PreviewHandler ();    
+        virtual ~PreviewHandler ();
+
+        void addPreviewImageListener (PreviewListener* l) { listeners.push_back (l); }
+
+        // previewimagelistener
+        void setImage   (rtengine::IImage8* img, double scale, rtengine::procparams::CropParams cp);
+        void delImage   (rtengine::IImage8* img);
+        void imageReady (rtengine::procparams::CropParams cp);  
+
+        // this function is called when a new preview image arrives from rtengine
+        void previewImageChanged ();
+
+        // with this function it is possible to ask for a rough approximation of a (possibly zoomed) crop of the image
+        Glib::RefPtr<Gdk::Pixbuf>           getRoughImage (int x, int y, int w, int h, double zoom);
+        Glib::RefPtr<Gdk::Pixbuf>           getRoughImage (int desiredW, int desiredH, double& zoom);
+        rtengine::procparams::CropParams    getCropParams () { return cropParams; }
+};
+
+#endif