Issue 2311: improved "Decoding..." progress bar
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torger
289
rtgui/guiutils.h
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289
rtgui/guiutils.h
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/*
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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 <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GUI_UTILS_
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#define __GUI_UTILS_
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#include <gtkmm.h>
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#include "../rtengine/rtengine.h"
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#include <sstream>
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#include <iostream>
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Glib::ustring escapeHtmlChars(const Glib::ustring &src);
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bool removeIfThere (Gtk::Container* cont, Gtk::Widget* w, bool increference=true);
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void thumbInterp (const unsigned char* src, int sw, int sh, unsigned char* dst, int dw, int dh);
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Glib::ustring removeExtension (const Glib::ustring& filename);
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Glib::ustring getExtension (const Glib::ustring& filename);
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bool confirmOverwrite (Gtk::Window& parent, const std::string& filename);
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void writeFailed (Gtk::Window& parent, const std::string& filename);
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void drawCrop (Cairo::RefPtr<Cairo::Context> cr, int imx, int imy, int imw, int imh, int startx, int starty, double scale, const rtengine::procparams::CropParams& cparams);
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/**
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* @brief Lock GTK for critical section.
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*
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* Will unlock on destruction. To use:
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*
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* <code>
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* {
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* GThreadLock lock;
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* // critical code
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* }
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* </code>
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*/
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class GThreadLock
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{
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public:
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GThreadLock()
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{
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gdk_threads_enter();
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}
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~GThreadLock()
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{
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gdk_threads_leave();
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}
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};
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/**
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* @brief Unlock GTK critical section.
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*
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* Will relock on destruction.
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*/
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class GThreadUnLock
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{
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public:
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GThreadUnLock()
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{
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gdk_threads_leave();
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}
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~GThreadUnLock()
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{
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gdk_threads_enter();
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}
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};
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/**
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* @brief subclass of Gtk::ScrolledWindow in order to handle the scrollwheel
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*/
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class MyScrolledWindow : public Gtk::ScrolledWindow {
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bool on_scroll_event (GdkEventScroll* event);
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public:
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MyScrolledWindow();
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};
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/**
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* @brief subclass of Gtk::ComboBox in order to handle the scrollwheel
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*/
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class MyComboBox : public Gtk::ComboBox {
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bool on_scroll_event (GdkEventScroll* event);
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public:
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MyComboBox ();
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};
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/**
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* @brief subclass of Gtk::ComboBoxText in order to handle the scrollwheel
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*/
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class MyComboBoxText : public Gtk::ComboBoxText {
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bool on_scroll_event (GdkEventScroll* event);
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public:
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MyComboBoxText ();
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};
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/**
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* @brief subclass of Gtk::SpinButton in order to handle the scrollwheel
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*/
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class MySpinButton : public Gtk::SpinButton {
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protected:
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bool on_scroll_event (GdkEventScroll* event);
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bool on_key_press_event (GdkEventKey* event);
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public:
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MySpinButton ();
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void updateSize();
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};
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/**
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* @brief subclass of Gtk::HScale in order to handle the scrollwheel
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*/
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class MyHScale : public Gtk::HScale {
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bool on_scroll_event (GdkEventScroll* event);
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};
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/**
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* @brief subclass of Gtk::FileChooserButton in order to handle the scrollwheel
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*/
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class MyFileChooserButton : public Gtk::FileChooserButton {
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protected:
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bool on_scroll_event (GdkEventScroll* event);
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public:
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MyFileChooserButton (const Glib::ustring& title, Gtk::FileChooserAction action=Gtk::FILE_CHOOSER_ACTION_OPEN);
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};
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/**
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* A class which maintains the last folder for a FileChooserDialog or Button by
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* caching it in a a variable (which can be persisted externally).
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* Each time the user selects a file or folder, the provided variable is updated
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* with the associated folder. The path found in the variable is set in the
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* dialog instance at constructions time of this object.
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*/
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class FileChooserLastFolderPersister: public Glib::Object {
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public:
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/**
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* Installs this persister on the provided GtkFileChooser instance and
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* applies the current folder found in @p folderVariable for the dialog.
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*
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* @param chooser file chooser to maintain
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* @param folderVariable variable storage to use for this dialog
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*/
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FileChooserLastFolderPersister(Gtk::FileChooser* chooser, Glib::ustring& folderVariable);
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virtual ~FileChooserLastFolderPersister();
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private:
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/**
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* Signal handler for the GtkFileChooser selection action.
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*/
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void selectionChanged();
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Gtk::FileChooser* chooser;
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Glib::ustring& folderVariable;
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sigc::connection selectionChangedConnetion;
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};
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typedef enum RTOrientation {
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RTO_Left2Right,
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RTO_Bottom2Top,
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RTO_Right2Left,
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RTO_Top2Bottom
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} eRTOrientation;
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enum TOITypes {
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TOI_TEXT,
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TOI_ICON
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};
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typedef enum RTNav {
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NAV_NONE,
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NAV_NEXT,
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NAV_PREVIOUS
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} eRTNav;
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/**
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* @brief Handle the switch between text and image to be displayed in the HBox (to be used in a button/toolpanel)
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*/
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class TextOrIcon : public Gtk::HBox {
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protected:
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Gtk::Image* imgIcon;
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Gtk::Label* label;
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Glib::ustring filename;
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Glib::ustring labelText;
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Glib::ustring tooltipText;
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public:
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TextOrIcon (Glib::ustring filename, Glib::ustring labelTx, Glib::ustring tooltipTx, TOITypes type);
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~TextOrIcon ();
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void switchTo(TOITypes type);
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};
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/**
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* @brief Define a gradient milestone
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*/
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class GradientMilestone {
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public:
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double position;
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double r;
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double g;
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double b;
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double a;
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GradientMilestone(double _p=0., double _r=0., double _g=0., double _b=0., double _a=0.) {
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position = _p; r = _r; g = _g; b = _b; a = _a;
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}
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};
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/**
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* @brief Handle point coordinates
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*/
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template <class T>
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class Point {
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public:
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T x, y;
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Point() {
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x = T(0);
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y = T(0);
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}
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Point(T coordX, T coordY) {
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x = coordX;
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y = coordY;
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}
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void setCoords(T coordX, T coordY) {
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x = coordX;
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y = coordY;
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}
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};
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/**
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* @brief Handle backbuffers as automatically as possible
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*/
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class BackBuffer {
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protected:
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int x, y, w, h; // Rectangle where the colored bar has to be drawn
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Cairo::RefPtr<Cairo::Surface> surface;
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bool dirty; // mean that the Surface has to be (re)allocated
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public:
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BackBuffer();
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// set the destination drawing rectangle; return true if the dimensions are different
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bool setDrawRectangle(Glib::RefPtr<Gdk::Window> window, int newX, int newY, int newW, int newH);
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void copySurface(Glib::RefPtr<Gdk::Window> window, GdkRectangle *rectangle=NULL);
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void copySurface(BackBuffer *destBackBuffer, GdkRectangle *rectangle=NULL);
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void copySurface(Cairo::RefPtr<Cairo::Surface> destSurface, GdkRectangle *rectangle=NULL);
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void setDirty(bool isDirty) { dirty = isDirty; if (!dirty && !surface) dirty = true; }
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bool isDirty() { return dirty; }
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// you have to check if the surface is created thanks to surfaceCreated before starting to draw on it
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bool surfaceCreated() { return surface; }
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Cairo::RefPtr<Cairo::Surface> getSurface() { return surface; }
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void deleteSurface() { surface.clear(); dirty=true; }
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// will let you get a Cairo::Context for Cairo drawing operations
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Cairo::RefPtr<Cairo::Context> getContext() { return Cairo::Context::create(surface); }
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int getWidth() { return w; }
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int getHeight() { return h; }
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};
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#endif
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