mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-14 05:38:56 +00:00
c5d6738011
svn-id: r33216
618 lines
17 KiB
C++
618 lines
17 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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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*/
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#include "common/util.h"
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#include "graphics/surface.h"
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#include "graphics/colormasks.h"
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#include "common/system.h"
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#include "common/events.h"
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#include "common/config-manager.h"
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#include "gui/launcher.h"
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#include "gui/ThemeRenderer.h"
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#include "graphics/VectorRenderer.h"
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namespace GUI {
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using namespace Graphics;
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const ThemeRenderer::DrawDataInfo ThemeRenderer::kDrawDataDefaults[] = {
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{kDDMainDialogBackground, "mainmenu_bg", true, kDDNone},
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{kDDSpecialColorBackground, "special_bg", true, kDDNone},
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{kDDPlainColorBackground, "plain_bg", true, kDDNone},
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{kDDDefaultBackground, "default_bg", true, kDDNone},
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{kDDWidgetBackgroundDefault, "widget_default", true, kDDNone},
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{kDDWidgetBackgroundSmall, "widget_small", true, kDDNone},
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{kDDWidgetBackgroundEditText, "widget_textedit", true, kDDNone},
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{kDDWidgetBackgroundSlider, "widget_slider", true, kDDNone},
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{kDDButtonIdle, "button_idle", true, kDDNone},
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{kDDButtonHover, "button_hover", false, kDDButtonIdle},
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{kDDButtonDisabled, "button_disabled", true, kDDNone},
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{kDDSliderFull, "slider_full", false, kDDNone},
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{kDDCheckboxEnabled, "checkbox_enabled", false, kDDCheckboxDisabled},
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{kDDCheckboxDisabled, "checkbox_disabled", true, kDDNone},
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{kDDTabActive, "tab_active", false, kDDTabInactive},
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{kDDTabInactive, "tab_inactive", true, kDDNone},
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{kDDScrollbarBase, "scrollbar_base", true, kDDNone},
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{kDDScrollbarHandle, "scrollbar_handle", false, kDDScrollbarBase},
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{kDDPopUpIdle, "popup_idle", true, kDDNone},
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{kDDPopUpHover, "popup_hover", false, kDDPopUpIdle},
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{kDDCaret, "caret", false, kDDNone},
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{kDDSeparator, "separator", true, kDDNone},
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};
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ThemeRenderer::ThemeRenderer(Common::String themeName, GraphicsMode mode) :
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_vectorRenderer(0), _system(0), _graphicsMode(kGfxDisabled),
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_screen(0), _backBuffer(0), _bytesPerPixel(0), _initOk(false),
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_themeOk(false), _enabled(false), _buffering(false) {
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_system = g_system;
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_parser = new ThemeParser(this);
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for (int i = 0; i < kDrawDataMAX; ++i) {
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_widgets[i] = 0;
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}
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_graphicsMode = mode;
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setGraphicsMode(_graphicsMode);
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loadConfigFile("classic");
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_initOk = true;
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_themeName = themeName;
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}
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bool ThemeRenderer::init() {
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// reset everything and reload the graphics
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deinit();
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setGraphicsMode(_graphicsMode);
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if (_screen->pixels && _backBuffer->pixels) {
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_initOk = true;
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clearAll();
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resetDrawArea();
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}
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if (isThemeLoadingRequired() || !_themeOk) {
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loadTheme(_themeName);
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Theme::loadTheme(_defaultConfig);
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Theme::loadTheme(_configFile, false, true);
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}
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if (_fontName.empty()) {
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if (_screen->w >= 400 && _screen->h >= 300) {
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_font = FontMan.getFontByUsage(Graphics::FontManager::kBigGUIFont);
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} else {
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_font = FontMan.getFontByUsage(Graphics::FontManager::kGUIFont);
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}
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}
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return true;
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}
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void ThemeRenderer::deinit() {
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if (_initOk) {
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_system->hideOverlay();
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freeRenderer();
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freeScreen();
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freeBackbuffer();
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_initOk = false;
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}
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}
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void ThemeRenderer::clearAll() {
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if (!_initOk)
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return;
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_system->clearOverlay();
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_system->grabOverlay((OverlayColor*)_screen->pixels, _screen->w);
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}
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void ThemeRenderer::enable() {
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init();
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resetDrawArea();
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_system->showOverlay();
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clearAll();
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_enabled = true;
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}
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void ThemeRenderer::disable() {
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_system->hideOverlay();
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_enabled = false;
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}
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template<typename PixelType>
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void ThemeRenderer::screenInit(bool backBuffer) {
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freeScreen();
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freeBackbuffer();
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uint32 width = _system->getOverlayWidth();
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uint32 height = _system->getOverlayHeight();
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if (backBuffer) {
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_backBuffer = new Surface;
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_backBuffer->create(width, height, sizeof(PixelType));
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}
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_screen = new Surface;
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_screen->create(width, height, sizeof(PixelType));
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_system->clearOverlay();
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}
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void ThemeRenderer::setGraphicsMode(GraphicsMode mode) {
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switch (mode) {
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case kGfxStandard16bit:
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case kGfxAntialias16bit:
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_bytesPerPixel = sizeof(uint16);
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screenInit<uint16>(kEnableBackCaching);
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break;
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default:
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return;
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}
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freeRenderer();
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_vectorRenderer = createRenderer(mode);
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_vectorRenderer->setSurface(_screen);
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}
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void ThemeRenderer::addDrawStep(const Common::String &drawDataId, Graphics::DrawStep step) {
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DrawData id = getDrawDataId(drawDataId);
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assert(_widgets[id] != 0);
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_widgets[id]->_steps.push_back(step);
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}
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bool ThemeRenderer::addTextStep(const Common::String &drawDataId, Graphics::TextStep step) {
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DrawData id = getDrawDataId(drawDataId);
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step.font = 0;
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if (id != -1) {
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assert(_widgets[id] != 0);
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if (_widgets[id]->_hasText == true)
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return false;
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_widgets[id]->_textStep = step;
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_widgets[id]->_hasText = true;
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} else {
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if (drawDataId == "default") {
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_texts[kTextColorDefault] = step;
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} else if (drawDataId == "hover") {
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_texts[kTextColorHover] = step;
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} else if (drawDataId == "disabled") {
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_texts[kTextColorDisabled] = step;
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} else return false;
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}
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return true;
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}
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bool ThemeRenderer::addDrawData(const Common::String &data, bool cached) {
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DrawData data_id = getDrawDataId(data);
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if (data_id == -1 || _widgets[data_id] != 0)
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return false;
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_widgets[data_id] = new WidgetDrawData;
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_widgets[data_id]->_cached = cached;
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_widgets[data_id]->_buffer = kDrawDataDefaults[data_id].buffer;
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_widgets[data_id]->_surfaceCache = 0;
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_widgets[data_id]->_hasText = false;
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return true;
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}
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bool ThemeRenderer::loadTheme(Common::String themeName) {
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unloadTheme();
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if (themeName == "builtin" && !loadDefaultXML())
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error("Could not load default embeded theme.");
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if (!loadThemeXML(themeName)) {
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warning("Could not parse custom theme '%s'.\nFalling back to default theme", themeName.c_str());
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if (!loadDefaultXML()) // if we can't load the embeded theme, this is a complete failure
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error("Could not load default embeded theme");
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}
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for (int i = 0; i < kDrawDataMAX; ++i) {
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if (_widgets[i] == 0) {
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#ifdef REQUIRE_ALL_DD_SETS
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warning("Error when parsing custom theme '%s': Missing data assets.", themeName.c_str());
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return false;
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#endif
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} else {
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calcBackgroundOffset((DrawData)i);
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// TODO: draw the cached widget to the cache surface
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if (_widgets[i]->_cached) {}
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}
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}
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_themeOk = true;
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return true;
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}
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bool ThemeRenderer::loadThemeXML(Common::String themeName) {
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assert(_parser);
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if (ConfMan.hasKey("themepath"))
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Common::File::addDefaultDirectory(ConfMan.get("themepath"));
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#ifdef DATA_PATH
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Common::File::addDefaultDirectoryRecursive(DATA_PATH);
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#endif
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if (ConfMan.hasKey("extrapath"))
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Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
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if (!parser()->loadFile(themeName + ".xml"))
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return false;
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return parser()->parse();
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}
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bool ThemeRenderer::isWidgetCached(DrawData type, const Common::Rect &r) {
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return _widgets[type] && _widgets[type]->_cached &&
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_widgets[type]->_surfaceCache->w == r.width() &&
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_widgets[type]->_surfaceCache->h == r.height();
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}
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void ThemeRenderer::drawCached(DrawData type, const Common::Rect &r) {
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assert(_widgets[type]->_surfaceCache->bytesPerPixel == _screen->bytesPerPixel);
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_vectorRenderer->blitSurface(_widgets[type]->_surfaceCache, r);
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}
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void ThemeRenderer::queueDD(DrawData type, const Common::Rect &r, uint32 dynamic) {
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if (_widgets[type] == 0)
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return;
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DrawQueue q;
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q.type = type;
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q.area = r;
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q.area.clip(_screen->w, _screen->h);
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q.dynData = dynamic;
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if (_buffering) {
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if (_widgets[type]->_buffer) {
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_bufferQueue.push_back(q);
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} else {
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if (kDrawDataDefaults[type].parent != kDDNone && kDrawDataDefaults[type].parent != type)
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queueDD(kDrawDataDefaults[type].parent, r);
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_screenQueue.push_back(q);
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}
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} else {
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drawDD(q, !_widgets[type]->_buffer, _widgets[type]->_buffer);
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}
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}
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void ThemeRenderer::queueDDText(DrawData type, const Common::Rect &r, const Common::String &text, TextColor colorId, TextAlign align) {
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DrawQueueText q;
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q.type = type;
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q.area = r;
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q.area.clip(_screen->w, _screen->h);
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q.text = text;
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q.colorId = colorId;
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q.align = align;
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if (_buffering) {
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_textQueue.push_back(q);
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} else {
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drawDDText(q);
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}
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}
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void ThemeRenderer::drawDD(const DrawQueue &q, bool draw, bool restore) {
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Common::Rect extendedRect = q.area;
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extendedRect.grow(kDirtyRectangleThreshold);
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extendedRect.right += _widgets[q.type]->_backgroundOffset;
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extendedRect.bottom += _widgets[q.type]->_backgroundOffset;
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if (restore)
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restoreBackground(extendedRect);
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if (draw) {
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if (isWidgetCached(q.type, q.area)) {
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drawCached(q.type, q.area);
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} else {
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for (Common::List<Graphics::DrawStep>::const_iterator step = _widgets[q.type]->_steps.begin();
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step != _widgets[q.type]->_steps.end(); ++step)
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_vectorRenderer->drawStep(q.area, *step, q.dynData);
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}
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}
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addDirtyRect(extendedRect);
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}
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void ThemeRenderer::drawDDText(const DrawQueueText &q) {
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if (q.type == kDDNone) {
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restoreBackground(q.area);
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if (_texts[q.colorId].font == 0)
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_texts[q.colorId].font = _font;
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_vectorRenderer->textStep(q.text, q.area, _texts[q.colorId], q.align);
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} else {
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if (_widgets[q.type]->_textStep.font == 0)
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_widgets[q.type]->_textStep.font = _font;
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_vectorRenderer->textStep(q.text, q.area, _widgets[q.type]->_textStep);
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}
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addDirtyRect(q.area);
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}
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void ThemeRenderer::calcBackgroundOffset(DrawData type) {
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uint maxShadow = 0;
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for (Common::List<Graphics::DrawStep>::const_iterator step = _widgets[type]->_steps.begin();
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step != _widgets[type]->_steps.end(); ++step) {
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if (((*step).autoWidth || (*step).autoHeight) && (*step).shadow > maxShadow)
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maxShadow = (*step).shadow;
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}
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_widgets[type]->_backgroundOffset = maxShadow;
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}
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void ThemeRenderer::restoreBackground(Common::Rect r, bool special) {
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r.clip(_screen->w, _screen->h); // AHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHA... Oh god. :(
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_vectorRenderer->blitSurface(_backBuffer, r);
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}
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void ThemeRenderer::drawButton(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, uint16 hints) {
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if (!ready())
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return;
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DrawData dd = kDDButtonIdle;
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if (state == kStateEnabled)
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dd = kDDButtonIdle;
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else if (state == kStateHighlight)
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dd = kDDButtonHover;
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else if (state == kStateDisabled)
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dd = kDDButtonDisabled;
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queueDD(dd, r);
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queueDDText(dd, r, str);
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}
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void ThemeRenderer::drawLineSeparator(const Common::Rect &r, WidgetStateInfo state) {
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if (!ready())
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return;
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queueDD(kDDSeparator, r);
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}
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void ThemeRenderer::drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, WidgetStateInfo state) {
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if (!ready())
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return;
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Common::Rect r2 = r;
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const int checkBoxSize = MIN((int)r.height(), getFontHeight());
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r2.bottom = r2.top + checkBoxSize;
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r2.right = r2.left + checkBoxSize;
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queueDD(checked ? kDDCheckboxEnabled : kDDCheckboxDisabled, r2);
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r2.left = r2.right + checkBoxSize;
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r2.right = r.right;
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queueDDText(checked ? kDDCheckboxEnabled : kDDCheckboxDisabled, r2, str);
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}
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void ThemeRenderer::drawSlider(const Common::Rect &r, int width, WidgetStateInfo state) {
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if (!ready())
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return;
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Common::Rect r2 = r;
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r2.setWidth(MIN((int16)width, r.width()));
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drawWidgetBackground(r, 0, kWidgetBackgroundSlider, kStateEnabled);
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queueDD(kDDSliderFull, r2);
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}
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void ThemeRenderer::drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState sb_state, WidgetStateInfo state) {
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if (!ready())
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return;
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queueDD(kDDScrollbarBase, r);
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// TODO: Need to find a scrollbar in the GUI for testing... :p
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}
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void ThemeRenderer::drawDialogBackground(const Common::Rect &r, uint16 hints, WidgetStateInfo state) {
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if (!ready())
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return;
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if (hints & THEME_HINT_MAIN_DIALOG) {
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queueDD(kDDMainDialogBackground, r);
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} else if (hints & THEME_HINT_SPECIAL_COLOR) {
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queueDD(kDDSpecialColorBackground, r);
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} else if (hints & THEME_HINT_PLAIN_COLOR) {
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queueDD(kDDPlainColorBackground, r);
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} else {
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queueDD(kDDDefaultBackground, r);
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}
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}
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void ThemeRenderer::drawCaret(const Common::Rect &r, bool erase, WidgetStateInfo state) {
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if (!ready())
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return;
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debugWidgetPosition("Caret", r);
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}
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void ThemeRenderer::drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, WidgetStateInfo state, TextAlign align) {
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if (!ready())
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return;
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DrawData dd = (state == kStateHighlight) ? kDDPopUpHover : kDDPopUpIdle;
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queueDD(dd, r);
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if (!sel.empty()) {
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Common::Rect text(r.left, r.top, r.right - 16, r.bottom);
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queueDDText(dd, text, sel);
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}
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}
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void ThemeRenderer::drawSurface(const Common::Rect &r, const Graphics::Surface &surface, WidgetStateInfo state, int alpha, bool themeTrans) {
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if (!ready())
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return;
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debugWidgetPosition("Surface", r);
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}
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void ThemeRenderer::drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background, WidgetStateInfo state) {
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if (!ready())
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return;
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switch (background) {
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case kWidgetBackgroundBorderSmall:
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queueDD(kDDWidgetBackgroundSmall, r);
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break;
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case kWidgetBackgroundEditText:
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queueDD(kDDWidgetBackgroundEditText, r);
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break;
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case kWidgetBackgroundSlider:
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queueDD(kDDWidgetBackgroundSlider, r);
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break;
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default:
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queueDD(kDDWidgetBackgroundDefault, r);
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break;
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}
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}
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void ThemeRenderer::drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, int titleVPad, WidgetStateInfo state) {
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if (!ready())
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return;
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const int tabOffset = 1;
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for (int i = 0; i < (int)tabs.size(); ++i) {
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if (i == active)
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continue;
|
|
|
|
Common::Rect tabRect(r.left + i * (tabWidth + tabOffset), r.top, r.left + i * (tabWidth + tabOffset) + tabWidth, r.top + tabHeight);
|
|
queueDD(kDDTabInactive, tabRect);
|
|
queueDDText(kDDTabInactive, tabRect, tabs[i]);
|
|
}
|
|
|
|
if (active >= 0) {
|
|
Common::Rect tabRect(r.left + active * (tabWidth + tabOffset), r.top, r.left + active * (tabWidth + tabOffset) + tabWidth, r.top + tabHeight);
|
|
const uint16 tabLeft = active * (tabWidth + tabOffset);
|
|
const uint16 tabRight = MAX(r.right - tabRect.right, 0);
|
|
queueDD(kDDTabActive, tabRect, (tabLeft << 16) | (tabRight & 0xFFFF));
|
|
queueDDText(kDDTabActive, tabRect, tabs[active]);
|
|
}
|
|
}
|
|
|
|
void ThemeRenderer::drawText(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, TextAlign align, bool inverted, int deltax, bool useEllipsis, FontStyle font) {
|
|
if (!_initOk)
|
|
return;
|
|
|
|
queueDDText(kDDNone, r, str, getTextColor(state), align);
|
|
}
|
|
|
|
void ThemeRenderer::debugWidgetPosition(const char *name, const Common::Rect &r) {
|
|
_font->drawString(_screen, name, r.left, r.top, r.width(), 0xFFFF, Graphics::kTextAlignRight, 0, true);
|
|
_screen->hLine(r.left, r.top, r.right, 0xFFFF);
|
|
_screen->hLine(r.left, r.bottom, r.right, 0xFFFF);
|
|
_screen->vLine(r.left, r.top, r.bottom, 0xFFFF);
|
|
_screen->vLine(r.right, r.top, r.bottom, 0xFFFF);
|
|
}
|
|
|
|
void ThemeRenderer::updateScreen() {
|
|
if (!_bufferQueue.empty()) {
|
|
_vectorRenderer->setSurface(_backBuffer);
|
|
|
|
for (Common::List<DrawQueue>::const_iterator q = _bufferQueue.begin(); q != _bufferQueue.end(); ++q)
|
|
drawDD(*q, true, false);
|
|
|
|
_vectorRenderer->setSurface(_screen);
|
|
_vectorRenderer->blitSurface(_backBuffer, Common::Rect(0, 0, _screen->w, _screen->h));
|
|
_bufferQueue.clear();
|
|
}
|
|
|
|
if (!_screenQueue.empty()) {
|
|
_vectorRenderer->disableShadows();
|
|
for (Common::List<DrawQueue>::const_iterator q = _screenQueue.begin(); q != _screenQueue.end(); ++q)
|
|
drawDD(*q, true, false);
|
|
|
|
_vectorRenderer->enableShadows();
|
|
_screenQueue.clear();
|
|
}
|
|
|
|
if (!_textQueue.empty()) {
|
|
for (Common::List<DrawQueueText>::const_iterator q = _textQueue.begin(); q != _textQueue.end(); ++q)
|
|
drawDDText(*q);
|
|
|
|
_textQueue.clear();
|
|
}
|
|
|
|
renderDirtyScreen();
|
|
// _vectorRenderer->copyWholeFrame(_system);
|
|
}
|
|
|
|
void ThemeRenderer::renderDirtyScreen() {
|
|
if (_dirtyScreen.empty())
|
|
return;
|
|
|
|
Common::List<Common::Rect>::const_iterator i, j;
|
|
for (i = _dirtyScreen.begin(); i != _dirtyScreen.end(); ++i) {
|
|
for (j = i; j != _dirtyScreen.end(); ++j)
|
|
if (j != i && i->contains(*j))
|
|
j = _dirtyScreen.reverse_erase(j);
|
|
|
|
_vectorRenderer->copyFrame(_system, *i);
|
|
}
|
|
|
|
_dirtyScreen.clear();
|
|
}
|
|
|
|
void ThemeRenderer::openDialog(bool doBuffer) {
|
|
if (doBuffer)
|
|
_buffering = true;
|
|
|
|
_vectorRenderer->setSurface(_backBuffer);
|
|
_vectorRenderer->blitSurface(_screen, Common::Rect(0, 0, _screen->w, _screen->h));
|
|
_vectorRenderer->setSurface(_screen);
|
|
}
|
|
|
|
} // end of namespace GUI.
|