if no b/a area enabled some speed up when opening images

2010-09-09 16:17:56 -07:00
commit 459a8e4b0e
597 changed files with 121217 additions and 0 deletions
--- a/rtgui/histogrampanel.h
+++ b/rtgui/histogrampanel.h
@@ -0,0 +1,102 @@
+/*
+ *  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 _HISTOGRAMPANEL_
+#define _HISTOGRAMPANEL_
+
+#include <gtkmm.h>
+#include <glibmm.h>
+
+class HistogramArea;
+struct HistogramAreaIdleHelper {
+    HistogramArea* harea;
+    bool destroyed;
+    int pending;
+};
+
+class HistogramArea : public Gtk::DrawingArea {  
+
+  protected:
+
+    Glib::RefPtr<Gdk::GC> gc_;
+    Glib::RefPtr<Gdk::Pixmap> backBuffer;
+
+    Gdk::Color black;
+    Gdk::Color white;
+    Gdk::Color red;
+    Gdk::Color green;
+    Gdk::Color blue;
+    Gdk::Color lgray;
+    Gdk::Color mgray;
+    Gdk::Color dgray;
+    unsigned int lhist[256];
+    unsigned int rhist[256];
+    unsigned int ghist[256];
+    unsigned int bhist[256];
+    bool valid;
+    bool showFull;
+    int oldwidth, oldheight;
+
+    bool needVal;
+    bool needRed;
+    bool needGreen;
+    bool needBlue;
+
+    HistogramAreaIdleHelper* haih;
+
+  public:
+         
+    HistogramArea();
+    ~HistogramArea();
+
+    void renderHistogram ();
+    void update (unsigned int* rh, unsigned int* gh, unsigned int* bh, unsigned int* lh);
+    void updateOptions (bool r, bool g, bool b, bool v);
+    void on_realize();
+    bool on_expose_event(GdkEventExpose* event);
+    bool on_button_press_event (GdkEventButton* event);
+    void styleChanged (const Glib::RefPtr<Gtk::Style>& style);
+  private:
+    void drawCurve(Cairo::RefPtr<Cairo::Context> &cr,
+        unsigned int * data, double scale, int hsize, int vsize);
+    void drawMarks(Cairo::RefPtr<Cairo::Context> &cr,
+        unsigned int * data, double scale, int hsize, int & ui, int & oi);
+};
+
+class HistogramPanel : public Gtk::HBox {
+
+  protected:
+
+    HistogramArea* histogramArea;
+    Gtk::ToggleButton* showRed;
+    Gtk::ToggleButton* showGreen;
+    Gtk::ToggleButton* showBlue;
+    Gtk::ToggleButton* showValue;
+    
+    sigc::connection rconn;
+    
+  public:
+
+    HistogramPanel ();
+
+    void histogramChanged (unsigned int* rh, unsigned int* gh, unsigned int* bh, unsigned int* lh) { histogramArea->update (rh, gh, bh, lh); }
+    void rgbv_toggled ();
+    void resized (Gtk::Allocation& req);
+};
+
+#endif