Fix for channel mixer bug.

2011-09-01 10:34:34 -05:00
commit ee83bfad63
729 changed files with 153848 additions and 0 deletions
--- a/rtgui/mycurve.h
+++ b/rtgui/mycurve.h
@@ -0,0 +1,118 @@
+/*
+ *  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 _MYCURVE_
+#define _MYCURVE_
+
+#include <gtkmm.h>
+#include <vector>
+#include <curvelistener.h>
+#include <cursormanager.h>
+#include <colorprovider.h>
+#include <LUT.h>
+
+#define RADIUS			3	/* radius of the control points */
+#define SQUARE			2	/* half length of the square shape of the tangent handles */
+#define MIN_DISTANCE	5	/* min distance between control points */
+#define GRAPH_SIZE		200 /* size of the curve editor graphic */
+
+// For compatibility and simplicity reason, order shouldn't change, and must be identical to the order specified in the curveType widget
+enum CurveType {
+	CT_Flat,
+	CT_Diagonal
+};
+
+enum SnapToType {
+	ST_None,
+	ST_Identity,	// Point snapped to the identity curve
+	ST_Neighbors	// Point snapped to the neighbor points
+};
+
+enum ResizeState {
+	RS_Pending = 1,	// Resize has to occure
+	RS_Done    = 2,	// Resize has been done
+	RS_Force   = 4	// Resize has to occure even without CONFIGURE event
+};
+
+class MyCurveIdleHelper;
+
+class MyCurve : public Gtk::DrawingArea {
+
+	friend class MyCurveIdleHelper;
+
+	protected:
+		CurveListener* listener;
+		ColorProvider* colorProvider;
+		CursorShape cursor_type;
+		Glib::RefPtr<Gdk::Pixmap> pixmap;
+		int innerWidth;		// inner width of the editor, allocated by the system
+		int innerHeight;	// inner height of the editor, allocated by the system
+		int prevInnerHeight;// previous inner height of the editor
+		Gdk::ModifierType mod_type;
+		int cursorX;		// X coordinate in the graph of the cursor
+		int cursorY;		// Y coordinate in the graph of the cursor
+		std::vector<Gdk::Point> point;
+		std::vector<Gdk::Point> upoint;
+		std::vector<Gdk::Point> lpoint;
+		bool buttonPressed;
+		/*
+		 * snapToElmt must be interpreted like this:
+		 * -100     : no element (default)
+		 * -3       : maximum value
+		 * -2       : identity value
+		 * -1       : minimum value
+		 * [0;1000[ : control point that it's snapped to
+		 * >=1000   : moved control point which is snapped to to the line made by it neighbors
+		 */
+		int snapToElmt;
+		bool snapTo;
+		double snapToMinDist;
+		double snapToVal;
+		MyCurveIdleHelper* mcih;
+		enum ResizeState sized;
+
+	    virtual std::vector<double> get_vector (int veclen) = 0;
+		int getGraphMinSize() { return GRAPH_SIZE + RADIUS + 1; }
+		bool snapCoordinate(double testedVal, double realVal);
+
+	public:
+		MyCurve ();
+		~MyCurve ();
+
+		void setCurveListener (CurveListener* cl) { listener = cl; }
+		void setColorProvider (ColorProvider* cp) { colorProvider = cp; }
+		void notifyListener ();
+		void updateBackgroundHistogram (LUTu & hist) {return;} ;
+		void forceResize() { sized = RS_Force; }
+		virtual std::vector<double> getPoints () = 0;
+		virtual void setPoints (const std::vector<double>& p) = 0;
+		virtual bool handleEvents (GdkEvent* event) = 0;
+		virtual void reset () = 0;
+};
+
+class MyCurveIdleHelper {
+	public:
+		MyCurve* myCurve;
+		bool destroyed;
+		int pending;
+
+		void clearPixmap () { myCurve->pixmap.clear (); }
+
+};
+
+#endif