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https://github.com/libretro/scummvm.git
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471 lines
14 KiB
C++
471 lines
14 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2006 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#ifndef GUI_THEME_H
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#define GUI_THEME_H
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#include "common/stdafx.h"
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#include "common/system.h"
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#include "common/rect.h"
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#include "common/str.h"
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#include "common/config-file.h"
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#include "graphics/surface.h"
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#include "graphics/fontman.h"
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namespace GUI {
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// Hints to the theme engine that the widget is used in a non-standard way.
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enum {
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// Indicates that this is the first time the widget is drawn.
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THEME_HINT_FIRST_DRAW = 1 << 0,
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// Indicates that the widget will be redrawn often, e.g. list widgets.
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// It may therefore be a good idea to save the background so that it
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// can be redrawn quickly.
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THEME_HINT_SAVE_BACKGROUND = 1 << 1,
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// Indicates that this is the launcher dialog (maybe delete this in the future)
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THEME_HINT_MAIN_DIALOG = 1 << 2,
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// Indicates special colorfade
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THEME_HINT_SPECIAL_COLOR = 1 << 3,
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// Indictaes that a shadows should be drawn around the background
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THEME_HINT_USE_SHADOW = 1 << 4
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};
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class Theme {
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public:
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Theme() : _drawArea(), _configFile() {}
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virtual ~Theme() {}
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enum kTextAlign {
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kTextAlignLeft,
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kTextAlignCenter,
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kTextAlignRight
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};
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enum kWidgetBackground {
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kWidgetBackgroundNo,
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kWidgetBackgroundPlain,
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kWidgetBackgroundBorder,
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kWidgetBackgroundBorderSmall
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};
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enum kState {
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kStateDisabled,
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kStateEnabled,
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kStateHighlight
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};
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enum kScrollbarState {
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kScrollbarStateNo,
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kScrollbarStateUp,
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kScrollbarStateDown,
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kScrollbarStateSlider,
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kScrollbarStateSinglePage
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};
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virtual bool init() = 0;
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virtual void deinit() = 0;
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virtual void refresh() = 0;
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virtual void enable() = 0;
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virtual void disable() = 0;
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virtual void openDialog() = 0;
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virtual void closeDialog() = 0;
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virtual void clearAll() = 0;
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virtual void drawAll() = 0;
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virtual void setDrawArea(const Common::Rect &r) { _drawArea = r; }
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// resets the draw area to the screen size
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virtual void resetDrawArea() = 0;
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virtual const Common::ConfigFile &getConfigFile() { return _configFile; }
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virtual const Graphics::Font *getFont() const = 0;
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virtual int getFontHeight() const = 0;
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virtual int getStringWidth(const Common::String &str) const = 0;
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virtual int getCharWidth(byte c) const = 0;
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virtual void drawDialogBackground(const Common::Rect &r, uint16 hints, kState state = kStateEnabled) = 0;
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virtual void drawText(const Common::Rect &r, const Common::String &str, kState state = kStateEnabled, kTextAlign align = kTextAlignCenter, bool inverted = false, int deltax = 0, bool useEllipsis = true) = 0;
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// this should ONLY be used by the debugger until we get a nicer solution
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virtual void drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, kState state = kStateEnabled) = 0;
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virtual void drawWidgetBackground(const Common::Rect &r, uint16 hints, kWidgetBackground background = kWidgetBackgroundPlain, kState state = kStateEnabled) = 0;
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virtual void drawButton(const Common::Rect &r, const Common::String &str, kState state = kStateEnabled) = 0;
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virtual void drawSurface(const Common::Rect &r, const Graphics::Surface &surface, kState state = kStateEnabled) = 0;
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virtual void drawSlider(const Common::Rect &r, int width, kState state = kStateEnabled) = 0;
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virtual void drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, kState state = kStateEnabled) = 0;
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virtual void drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, kState state = kStateEnabled) = 0;
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virtual void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, kScrollbarState, kState state = kStateEnabled) = 0;
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virtual void drawCaret(const Common::Rect &r, bool erase, kState state = kStateEnabled) = 0;
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virtual void drawLineSeparator(const Common::Rect &r, kState state = kStateEnabled) = 0;
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Graphics::TextAlignment convertAligment(kTextAlign align) const {
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switch (align) {
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case kTextAlignLeft:
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return Graphics::kTextAlignLeft;
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break;
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case kTextAlignRight:
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return Graphics::kTextAlignRight;
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break;
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default:
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break;
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};
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return Graphics::kTextAlignCenter;
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};
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kTextAlign convertAligment(Graphics::TextAlignment align) const {
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switch (align) {
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case Graphics::kTextAlignLeft:
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return kTextAlignLeft;
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break;
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case Graphics::kTextAlignRight:
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return kTextAlignRight;
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break;
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default:
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break;
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}
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return kTextAlignCenter;
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}
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protected:
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Common::Rect _drawArea;
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Common::ConfigFile _configFile;
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};
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#define OLDGUI_TRANSPARENCY
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class ThemeClassic : public Theme {
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public:
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ThemeClassic(OSystem *system);
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virtual ~ThemeClassic();
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bool init();
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void deinit();
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void refresh();
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void enable();
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void disable();
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void openDialog();
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void closeDialog();
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void clearAll();
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void drawAll();
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void resetDrawArea();
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const Graphics::Font *getFont() const { return _font; }
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int getFontHeight() const { if (_initOk) return _font->getFontHeight(); return 0; }
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int getStringWidth(const Common::String &str) const { if (_initOk) return _font->getStringWidth(str); return 0; }
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int getCharWidth(byte c) const { if (_initOk) return _font->getCharWidth(c); return 0; }
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void drawDialogBackground(const Common::Rect &r, uint16 hints, kState state);
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void drawText(const Common::Rect &r, const Common::String &str, kState state, kTextAlign align, bool inverted, int deltax, bool useEllipsis);
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void drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, kState state);
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void drawWidgetBackground(const Common::Rect &r, uint16 hints, kWidgetBackground background, kState state);
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void drawButton(const Common::Rect &r, const Common::String &str, kState state);
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void drawSurface(const Common::Rect &r, const Graphics::Surface &surface, kState state);
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void drawSlider(const Common::Rect &r, int width, kState state);
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void drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, kState state);
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void drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, kState state);
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void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, kScrollbarState, kState state);
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void drawCaret(const Common::Rect &r, bool erase, kState state);
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void drawLineSeparator(const Common::Rect &r, kState state);
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private:
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void restoreBackground(Common::Rect r);
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bool addDirtyRect(Common::Rect r, bool save = false);
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void box(int x, int y, int width, int height, OverlayColor colorA, OverlayColor colorB, bool skipLastRow = false);
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void box(int x, int y, int width, int height);
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OverlayColor getColor(kState state);
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OSystem *_system;
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Graphics::Surface _screen;
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#ifdef OLDGUI_TRANSPARENCY
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struct DialogState {
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Graphics::Surface screen;
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} *_dialog;
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void blendScreenToDialog();
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#endif
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bool _initOk;
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const Graphics::Font *_font;
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OverlayColor _color, _shadowcolor;
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OverlayColor _bgcolor;
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OverlayColor _textcolor;
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OverlayColor _textcolorhi;
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};
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#ifndef DISABLE_FANCY_THEMES
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class ThemeNew : public Theme {
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public:
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ThemeNew(OSystem *system, Common::String stylefile);
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virtual ~ThemeNew();
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bool init();
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void deinit();
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void refresh();
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void enable();
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void disable();
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void openDialog();
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void closeDialog();
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void clearAll();
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void drawAll();
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void setDrawArea(const Common::Rect &r);
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void resetDrawArea();
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const Graphics::Font *getFont() const { return _font; }
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int getFontHeight() const { if (_font) return _font->getFontHeight(); return 0; }
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int getStringWidth(const Common::String &str) const { if (_font) return _font->getStringWidth(str); return 0; }
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int getCharWidth(byte c) const { if (_font) return _font->getCharWidth(c); return 0; }
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void drawDialogBackground(const Common::Rect &r, uint16 hints, kState state);
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void drawText(const Common::Rect &r, const Common::String &str, kState state, kTextAlign align, bool inverted, int deltax, bool useEllipsis);
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void drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, kState state);
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void drawWidgetBackground(const Common::Rect &r, uint16 hints, kWidgetBackground background, kState state);
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void drawButton(const Common::Rect &r, const Common::String &str, kState state);
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void drawSurface(const Common::Rect &r, const Graphics::Surface &surface, kState state);
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void drawSlider(const Common::Rect &r, int width, kState state);
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void drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, kState state);
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void drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, kState state);
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void drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, kScrollbarState, kState state);
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void drawCaret(const Common::Rect &r, bool erase, kState state);
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void drawLineSeparator(const Common::Rect &r, kState state);
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private:
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bool addDirtyRect(Common::Rect r, bool backup = false, bool special = false);
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void colorFade(const Common::Rect &r, OverlayColor start, OverlayColor end, uint factor = 1);
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void drawRect(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
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const Graphics::Surface *left, const Graphics::Surface *fill, int alpha, bool skipLastRow = false);
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void drawRectMasked(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
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const Graphics::Surface *left, const Graphics::Surface *fill, int alpha,
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OverlayColor start, OverlayColor end, uint factor = 1, bool skipLastRow = false);
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void drawSurface(const Common::Rect &r, const Graphics::Surface *surf, bool upDown, bool leftRight, int alpha);
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void drawSurfaceMasked(const Common::Rect &r, const Graphics::Surface *surf, bool upDown, bool leftRight, int alpha,
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OverlayColor start, OverlayColor end, uint factor = 1);
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enum kShadowStyles {
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kShadowFull = 0,
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kShadowSmall = 1,
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kShadowButton = 2,
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kShadowSlider = 3
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};
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Common::Rect shadowRect(const Common::Rect &r, uint32 shadowStyle);
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void drawShadow(const Common::Rect &r, const Graphics::Surface *corner, const Graphics::Surface *top,
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const Graphics::Surface *left, const Graphics::Surface *fill, uint32 shadowStyle, bool full,
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bool skipLastRow = false);
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void drawShadowRect(const Common::Rect &r, const Common::Rect &area, const Graphics::Surface *corner,
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const Graphics::Surface *top, const Graphics::Surface *left, const Graphics::Surface *fill,
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int alpha, bool skipLastRow = false);
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int _shadowLeftWidth, _shadowRightWidth;
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int _shadowTopHeight, _shadowBottomHeight;
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OSystem *_system;
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Graphics::Surface _screen;
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Common::Rect _shadowDrawArea;
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bool _initOk;
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bool _forceRedraw;
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int _lastUsedBitMask;
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void resetupGuiRenderer();
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void setupColors();
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void restoreBackground(Common::Rect r, bool special = false);
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OverlayColor getColor(kState state);
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struct DialogState {
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Graphics::Surface screen;
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} *_dialog;
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const Graphics::Font *_font;
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enum kImageHandles {
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kDialogBkgdCorner = 0,
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kDialogBkgdTop = 1,
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kDialogBkgdLeft = 2,
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kDialogBkgd = 3,
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kWidgetBkgdCorner = 4,
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kWidgetBkgdTop = 5,
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kWidgetBkgdLeft = 6,
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kWidgetBkgd = 7,
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kCheckboxEmpty = 8,
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kCheckboxChecked = 9,
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kWidgetArrow = 10,
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kTabBkgdCorner = 11,
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kTabBkgdTop = 12,
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kTabBkgdLeft = 13,
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kTabBkgd = 14,
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kSliderBkgdCorner = 15,
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kSliderBkgdTop = 16,
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kSliderBkgdLeft = 17,
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kSliderBkgd = 18,
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kSliderCorner = 19,
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kSliderTop = 20,
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kSliderLeft = 21,
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kSlider = 22,
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kScrollbarBkgdCorner = 23,
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kScrollbarBkgdTop = 24,
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kScrollbarBkgdLeft = 25,
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kScrollbarBkgd = 26,
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kScrollbarCorner = 27,
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kScrollbarTop = 28,
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kScrollbarLeft = 29,
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kScrollbar = 30,
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kButtonBkgdCorner = 31,
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kButtonBkgdTop = 32,
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kButtonBkgdLeft = 33,
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kButtonBkgd = 34,
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kWidgetSmallBkgdCorner = 35,
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kWidgetSmallBkgdTop = 36,
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kWidgetSmallBkgdLeft = 37,
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kWidgetSmallBkgd = 38,
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kImageHandlesMax
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};
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const Common::String *_imageHandles;
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const Graphics::Surface **_images;
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enum kColorHandles {
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kMainDialogStart = 0,
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kMainDialogEnd = 1,
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kDialogStart = 2,
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kDialogEnd = 3,
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kColorStateDisabled = 4,
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kColorStateHighlight = 5,
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kColorStateEnabled = 6,
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kColorTransparency = 7,
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kTextInvertedBackground = 8,
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kTextInvertedColor = 9,
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kWidgetBackgroundStart = 10,
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kWidgetBackgroundEnd = 11,
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kWidgetBackgroundSmallStart = 12,
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kWidgetBackgroundSmallEnd = 13,
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kButtonBackgroundStart = 14,
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kButtonBackgroundEnd = 15,
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kButtonTextEnabled = 16,
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kButtonTextDisabled = 17,
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kButtonTextHighlight = 18,
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kSliderBackgroundStart = 19,
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kSliderBackgroundEnd = 20,
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kSliderStart = 21,
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kSliderEnd = 22,
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kTabBackgroundStart = 23,
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kTabBackgroundEnd = 24,
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kScrollbarBackgroundStart = 25,
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kScrollbarBackgroundEnd = 26,
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kScrollbarButtonStart = 27,
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kScrollbarButtonEnd = 28,
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kScrollbarSliderStart = 29,
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kScrollbarSliderEnd = 30,
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kCaretColor = 31,
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kSliderHighStart = 32,
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kSliderHighEnd = 33,
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kButtonBackgroundHighlightStart = 34,
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kButtonBackgroundHighlightEnd = 35,
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kScrollbarButtonHighlightStart = 36,
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kScrollbarButtonHighlightEnd = 37,
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kScrollbarSliderHighlightStart = 38,
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kScrollbarSliderHighlightEnd = 39,
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kColorHandlesMax
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};
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OverlayColor _colors[kColorHandlesMax];
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enum kGradientFactors {
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kMainDialogFactor = 0,
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kDialogFactor = 1,
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kDialogSpecialFactor = 2,
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kWidgetSmallFactor = 3,
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kWidgetFactor = 4,
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kButtonFactor = 5,
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kSliderFactor = 6,
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kSliderBackground = 7,
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kTabFactor = 7,
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kScrollbarFactor = 8,
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kScrollbarBkgdFactor = 9,
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kMaxGradientFactors
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};
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uint _gradientFactors[kMaxGradientFactors];
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};
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#endif
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} // end of namespace GUI
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#endif // GUI_THEME_H
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