/* ScummVM - Graphic Adventure Engine * * ScummVM is the legal property of its developers, whose names * are too numerous to list here. Please refer to the COPYRIGHT * file distributed with this source distribution. * * This program 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 2 * of the License, or (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ #include "common/system.h" #include "common/config-manager.h" #include "common/file.h" #include "common/fs.h" #include "common/unzip.h" #include "common/tokenizer.h" #include "common/translation.h" #include "graphics/cursorman.h" #include "graphics/fontman.h" #include "graphics/surface.h" #include "graphics/transparent_surface.h" #include "graphics/VectorRenderer.h" #include "graphics/fonts/bdf.h" #include "graphics/fonts/ttf.h" #include "image/bmp.h" #include "image/png.h" #include "gui/widget.h" #include "gui/ThemeEngine.h" #include "gui/ThemeEval.h" #include "gui/ThemeParser.h" namespace GUI { const char *const ThemeEngine::kImageLogo = "logo.bmp"; const char *const ThemeEngine::kImageLogoSmall = "logo_small.bmp"; const char *const ThemeEngine::kImageSearch = "search.bmp"; const char *const ThemeEngine::kImageEraser = "eraser.bmp"; const char *const ThemeEngine::kImageDelButton = "delbtn.bmp"; const char *const ThemeEngine::kImageList = "list.bmp"; const char *const ThemeEngine::kImageGrid = "grid.bmp"; const char *const ThemeEngine::kImageStopButton = "stopbtn.bmp"; const char *const ThemeEngine::kImageEditButton = "editbtn.bmp"; const char *const ThemeEngine::kImageSwitchModeButton = "switchbtn.bmp"; const char *const ThemeEngine::kImageFastReplayButton = "fastreplay.bmp"; const char *const ThemeEngine::kImageStopSmallButton = "stopbtn_small.bmp"; const char *const ThemeEngine::kImageEditSmallButton = "editbtn_small.bmp"; const char *const ThemeEngine::kImageSwitchModeSmallButton = "switchbtn_small.bmp"; const char *const ThemeEngine::kImageFastReplaySmallButton = "fastreplay_small.bmp"; struct TextDrawData { const Graphics::Font *_fontPtr; }; struct TextColorData { int r, g, b; }; struct WidgetDrawData { /** List of all the steps needed to draw this widget */ Common::List _steps; TextData _textDataId; TextColor _textColorId; Graphics::TextAlign _textAlignH; GUI::ThemeEngine::TextAlignVertical _textAlignV; /** Extra space that the widget occupies when it's drawn. E.g. when taking into account rounded corners, drop shadows, etc Used when restoring the widget background */ uint16 _backgroundOffset; bool _buffer; /** * Calculates the background threshold offset of a given DrawData item. * After fully loading all DrawSteps of a DrawData item, this function must be * called in order to calculate if such draw steps would be drawn outside of * the actual widget drawing zone (e.g. shadows). If this is the case, a constant * value will be added when restoring the background of the widget. */ void calcBackgroundOffset(); }; class ThemeItem { public: ThemeItem(ThemeEngine *engine, const Common::Rect &area) : _engine(engine), _area(area) {} virtual ~ThemeItem() {} virtual void drawSelf(bool doDraw, bool doRestore) = 0; protected: ThemeEngine *_engine; Common::Rect _area; }; class ThemeItemDrawData : public ThemeItem { public: ThemeItemDrawData(ThemeEngine *engine, const WidgetDrawData *data, const Common::Rect &area, uint32 dynData) : ThemeItem(engine, area), _dynamicData(dynData), _data(data) {} void drawSelf(bool draw, bool restore); protected: uint32 _dynamicData; const WidgetDrawData *_data; }; class ThemeItemDrawDataClip: public ThemeItem{ public: ThemeItemDrawDataClip(ThemeEngine *engine, const WidgetDrawData *data, const Common::Rect &area, const Common::Rect &clip, uint32 dynData) : ThemeItem(engine, area), _dynamicData(dynData), _data(data), _clip(clip) {} void drawSelf(bool draw, bool restore); protected: uint32 _dynamicData; const WidgetDrawData *_data; const Common::Rect _clip; }; class ThemeItemTextData : public ThemeItem { public: ThemeItemTextData(ThemeEngine *engine, const TextDrawData *data, const TextColorData *color, const Common::Rect &area, const Common::Rect &textDrawableArea, const Common::String &text, Graphics::TextAlign alignH, GUI::ThemeEngine::TextAlignVertical alignV, bool ellipsis, bool restoreBg, int deltaX) : ThemeItem(engine, area), _data(data), _color(color), _text(text), _alignH(alignH), _alignV(alignV), _ellipsis(ellipsis), _restoreBg(restoreBg), _deltax(deltaX), _textDrawableArea(textDrawableArea) {} void drawSelf(bool draw, bool restore); protected: Common::Rect _textDrawableArea; const TextDrawData *_data; const TextColorData *_color; Common::String _text; Graphics::TextAlign _alignH; GUI::ThemeEngine::TextAlignVertical _alignV; bool _ellipsis; bool _restoreBg; int _deltax; }; class ThemeItemBitmap : public ThemeItem { public: ThemeItemBitmap(ThemeEngine *engine, const Common::Rect &area, const Graphics::Surface *bitmap, bool alpha) : ThemeItem(engine, area), _bitmap(bitmap), _alpha(alpha) {} void drawSelf(bool draw, bool restore); protected: const Graphics::Surface *_bitmap; bool _alpha; }; class ThemeItemBitmapClip : public ThemeItem { public: ThemeItemBitmapClip(ThemeEngine *engine, const Common::Rect &area, const Common::Rect &clip, const Graphics::Surface *bitmap, bool alpha) : ThemeItem(engine, area), _bitmap(bitmap), _alpha(alpha), _clip(clip) {} void drawSelf(bool draw, bool restore); protected: const Graphics::Surface *_bitmap; bool _alpha; const Common::Rect _clip; }; /********************************************************** * Data definitions for theme engine elements *********************************************************/ struct DrawDataInfo { DrawData id; ///< The actual ID of the DrawData item. const char *name; ///< The name of the DrawData item as it appears in the Theme Description files bool buffer; ///< Sets whether this item is buffered on the backbuffer or drawn directly to the screen. DrawData parent; ///< Parent DrawData item, for items that overlay. E.g. kDDButtonIdle -> kDDButtonHover }; /** * Default values for each DrawData item. */ static const DrawDataInfo kDrawDataDefaults[] = { {kDDMainDialogBackground, "mainmenu_bg", true, kDDNone}, {kDDSpecialColorBackground, "special_bg", true, kDDNone}, {kDDPlainColorBackground, "plain_bg", true, kDDNone}, {kDDTooltipBackground, "tooltip_bg", true, kDDNone}, {kDDDefaultBackground, "default_bg", true, kDDNone}, {kDDTextSelectionBackground, "text_selection", false, kDDNone}, {kDDTextSelectionFocusBackground, "text_selection_focus", false, kDDNone}, {kDDWidgetBackgroundDefault, "widget_default", true, kDDNone}, {kDDWidgetBackgroundSmall, "widget_small", true, kDDNone}, {kDDWidgetBackgroundEditText, "widget_textedit", true, kDDNone}, {kDDWidgetBackgroundSlider, "widget_slider", true, kDDNone}, {kDDButtonIdle, "button_idle", true, kDDWidgetBackgroundSlider}, {kDDButtonHover, "button_hover", false, kDDButtonIdle}, {kDDButtonDisabled, "button_disabled", true, kDDNone}, {kDDButtonPressed, "button_pressed", false, kDDButtonIdle}, {kDDSliderFull, "slider_full", false, kDDNone}, {kDDSliderHover, "slider_hover", false, kDDNone}, {kDDSliderDisabled, "slider_disabled", false, kDDNone}, {kDDCheckboxDefault, "checkbox_default", true, kDDNone}, {kDDCheckboxDisabled, "checkbox_disabled", true, kDDNone}, {kDDCheckboxSelected, "checkbox_selected", false, kDDCheckboxDefault}, {kDDRadiobuttonDefault, "radiobutton_default", true, kDDNone}, {kDDRadiobuttonDisabled, "radiobutton_disabled", true, kDDNone}, {kDDRadiobuttonSelected, "radiobutton_selected", false, kDDRadiobuttonDefault}, {kDDTabActive, "tab_active", false, kDDTabInactive}, {kDDTabInactive, "tab_inactive", true, kDDNone}, {kDDTabBackground, "tab_background", true, kDDNone}, {kDDScrollbarBase, "scrollbar_base", true, kDDNone}, {kDDScrollbarButtonIdle, "scrollbar_button_idle", true, kDDNone}, {kDDScrollbarButtonHover, "scrollbar_button_hover", false, kDDScrollbarButtonIdle}, {kDDScrollbarHandleIdle, "scrollbar_handle_idle", false, kDDNone}, {kDDScrollbarHandleHover, "scrollbar_handle_hover", false, kDDScrollbarBase}, {kDDPopUpIdle, "popup_idle", true, kDDNone}, {kDDPopUpHover, "popup_hover", false, kDDPopUpIdle}, {kDDPopUpDisabled, "popup_disabled", true, kDDNone}, {kDDCaret, "caret", false, kDDNone}, {kDDSeparator, "separator", true, kDDNone}, }; /********************************************************** * ThemeItem functions for drawing queues. *********************************************************/ void ThemeItemDrawData::drawSelf(bool draw, bool restore) { Common::Rect extendedRect = _area; extendedRect.grow(_engine->kDirtyRectangleThreshold + _data->_backgroundOffset); if (restore) _engine->restoreBackground(extendedRect); if (draw) { Common::List::const_iterator step; for (step = _data->_steps.begin(); step != _data->_steps.end(); ++step) _engine->renderer()->drawStep(_area, *step, _dynamicData); } _engine->addDirtyRect(extendedRect); } void ThemeItemDrawDataClip::drawSelf(bool draw, bool restore) { Common::Rect extendedRect = _area; extendedRect.grow(_engine->kDirtyRectangleThreshold + _data->_backgroundOffset); if (restore) _engine->restoreBackground(extendedRect); if (draw) { Common::List::const_iterator step; for (step = _data->_steps.begin(); step != _data->_steps.end(); ++step) { _engine->renderer()->drawStepClip(_area, _clip, *step, _dynamicData); } } extendedRect.clip(_clip); _engine->addDirtyRect(extendedRect); } void ThemeItemTextData::drawSelf(bool draw, bool restore) { Common::Rect dirty = _textDrawableArea; if (dirty.isEmpty()) dirty = _area; else dirty.clip(_area); if (_restoreBg || restore) _engine->restoreBackground(dirty); if (draw) { _engine->renderer()->setFgColor(_color->r, _color->g, _color->b); _engine->renderer()->drawString(_data->_fontPtr, _text, _area, _alignH, _alignV, _deltax, _ellipsis, _textDrawableArea); } _engine->addDirtyRect(dirty); } void ThemeItemBitmap::drawSelf(bool draw, bool restore) { if (restore) _engine->restoreBackground(_area); if (draw) { if (_alpha) _engine->renderer()->blitKeyBitmap(_bitmap, _area); else _engine->renderer()->blitSubSurface(_bitmap, _area); } _engine->addDirtyRect(_area); } void ThemeItemBitmapClip::drawSelf(bool draw, bool restore) { if (restore) _engine->restoreBackground(_area); if (draw) { if (_alpha) _engine->renderer()->blitKeyBitmapClip(_bitmap, _area, _clip); else _engine->renderer()->blitSubSurfaceClip(_bitmap, _area, _clip); } Common::Rect dirtyRect = _area; dirtyRect.clip(_clip); _engine->addDirtyRect(dirtyRect); } /********************************************************** * ThemeEngine class *********************************************************/ ThemeEngine::ThemeEngine(Common::String id, GraphicsMode mode) : _system(0), _vectorRenderer(0), _buffering(false), _bytesPerPixel(0), _graphicsMode(kGfxDisabled), _font(0), _initOk(false), _themeOk(false), _enabled(false), _themeFiles(), _cursor(0) { _system = g_system; _parser = new ThemeParser(this); _themeEval = new GUI::ThemeEval(); _useCursor = false; for (int i = 0; i < kDrawDataMAX; ++i) { _widgets[i] = 0; } for (int i = 0; i < kTextDataMAX; ++i) { _texts[i] = 0; } for (int i = 0; i < kTextColorMAX; ++i) { _textColors[i] = 0; } // We currently allow two different ways of theme selection in our config file: // 1) Via full path // 2) Via a basename, which will need to be translated into a full path // This function assures we have a correct path to pass to the ThemeEngine // constructor. _themeFile = getThemeFile(id); // We will use getThemeId to retrive the theme id from the given filename // here, since the user could have passed a fixed filename as 'id'. _themeId = getThemeId(_themeFile); _graphicsMode = mode; _themeArchive = 0; _initOk = false; _cursorHotspotX = _cursorHotspotY = 0; _cursorWidth = _cursorHeight = 0; _cursorPalSize = 0; _needPaletteUpdates = false; // We prefer files in archive bundles over the common search paths. _themeFiles.add("default", &SearchMan, 0, false); } ThemeEngine::~ThemeEngine() { delete _vectorRenderer; _vectorRenderer = 0; _screen.free(); _backBuffer.free(); unloadTheme(); // Release all graphics surfaces for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i) { Graphics::Surface *surf = i->_value; if (surf) { surf->free(); delete surf; } } _bitmaps.clear(); for (AImagesMap::iterator i = _abitmaps.begin(); i != _abitmaps.end(); ++i) { Graphics::TransparentSurface *surf = i->_value; if (surf) { surf->free(); delete surf; } } _abitmaps.clear(); delete _parser; delete _themeEval; delete[] _cursor; } /********************************************************** * Rendering mode management *********************************************************/ const ThemeEngine::Renderer ThemeEngine::_rendererModes[] = { { _s("Disabled GFX"), _sc("Disabled GFX", "lowres"), "none", kGfxDisabled }, { _s("Standard Renderer"), _s("Standard"), "normal", kGfxStandard }, #ifndef DISABLE_FANCY_THEMES { _s("Antialiased Renderer"), _s("Antialiased"), "antialias", kGfxAntialias } #endif }; const uint ThemeEngine::_rendererModesSize = ARRAYSIZE(ThemeEngine::_rendererModes); const ThemeEngine::GraphicsMode ThemeEngine::_defaultRendererMode = #ifndef DISABLE_FANCY_THEMES ThemeEngine::kGfxAntialias; #else ThemeEngine::kGfxStandard; #endif ThemeEngine::GraphicsMode ThemeEngine::findMode(const Common::String &cfg) { for (uint i = 0; i < _rendererModesSize; ++i) { if (cfg.equalsIgnoreCase(_rendererModes[i].cfg)) return _rendererModes[i].mode; } return kGfxDisabled; } const char *ThemeEngine::findModeConfigName(GraphicsMode mode) { for (uint i = 0; i < _rendererModesSize; ++i) { if (mode == _rendererModes[i].mode) return _rendererModes[i].cfg; } return findModeConfigName(kGfxDisabled); } /********************************************************** * Theme setup/initialization *********************************************************/ bool ThemeEngine::init() { // reset everything and reload the graphics _initOk = false; _overlayFormat = _system->getOverlayFormat(); setGraphicsMode(_graphicsMode); if (_screen.getPixels() && _backBuffer.getPixels()) { _initOk = true; } // TODO: Instead of hard coding the font here, it should be possible // to specify the fonts to be used for each resolution in the theme XML. if (_screen.w >= 400 && _screen.h >= 300) { _font = FontMan.getFontByUsage(Graphics::FontManager::kBigGUIFont); } else { _font = FontMan.getFontByUsage(Graphics::FontManager::kGUIFont); } // Try to create a Common::Archive with the files of the theme. if (!_themeArchive && !_themeFile.empty()) { Common::FSNode node(_themeFile); if (node.isDirectory()) { _themeArchive = new Common::FSDirectory(node); } else if (_themeFile.matchString("*.zip", true)) { // TODO: Also use "node" directly? // Look for the zip file via SearchMan Common::ArchiveMemberPtr member = SearchMan.getMember(_themeFile); if (member) { _themeArchive = Common::makeZipArchive(member->createReadStream()); if (!_themeArchive) { warning("Failed to open Zip archive '%s'.", member->getDisplayName().c_str()); } } else { _themeArchive = Common::makeZipArchive(node); if (!_themeArchive) { warning("Failed to open Zip archive '%s'.", node.getPath().c_str()); } } } if (_themeArchive) _themeFiles.add("theme_archive", _themeArchive, 1, true); } // Load the theme // We pass the theme file here by default, so the user will // have a descriptive error message. The only exception will // be the builtin theme which has no filename. loadTheme(_themeFile.empty() ? _themeId : _themeFile); return ready(); } void ThemeEngine::clearAll() { if (_initOk) { _system->clearOverlay(); _system->grabOverlay(_screen.getPixels(), _screen.pitch); } } void ThemeEngine::refresh() { // Flush all bitmaps if the overlay pixel format changed. if (_overlayFormat != _system->getOverlayFormat()) { for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i) { Graphics::Surface *surf = i->_value; if (surf) { surf->free(); delete surf; } } _bitmaps.clear(); for (AImagesMap::iterator i = _abitmaps.begin(); i != _abitmaps.end(); ++i) { Graphics::TransparentSurface *surf = i->_value; if (surf) { surf->free(); delete surf; } } _abitmaps.clear(); } init(); if (_enabled) { _system->showOverlay(); if (_useCursor) { CursorMan.replaceCursorPalette(_cursorPal, 0, _cursorPalSize); CursorMan.replaceCursor(_cursor, _cursorWidth, _cursorHeight, _cursorHotspotX, _cursorHotspotY, 255, true); } } } void ThemeEngine::enable() { if (_enabled) return; showCursor(); _system->showOverlay(); clearAll(); _enabled = true; } void ThemeEngine::disable() { if (!_enabled) return; _system->hideOverlay(); hideCursor(); _enabled = false; } void ThemeEngine::setGraphicsMode(GraphicsMode mode) { switch (mode) { case kGfxStandard: #ifndef DISABLE_FANCY_THEMES case kGfxAntialias: #endif if (g_system->getOverlayFormat().bytesPerPixel == 4) { _bytesPerPixel = sizeof(uint32); break; } else if (g_system->getOverlayFormat().bytesPerPixel == 2) { _bytesPerPixel = sizeof(uint16); break; } default: error("Invalid graphics mode"); } uint32 width = _system->getOverlayWidth(); uint32 height = _system->getOverlayHeight(); _backBuffer.free(); _backBuffer.create(width, height, _overlayFormat); _screen.free(); _screen.create(width, height, _overlayFormat); delete _vectorRenderer; _vectorRenderer = Graphics::createRenderer(mode); _vectorRenderer->setSurface(&_screen); // Since we reinitialized our screen surfaces we know nothing has been // drawn so far. Sometimes we still end up with dirty screen bits in the // list. Clearing it avoids invalid overlay writes when the backend // resizes the overlay. _dirtyScreen.clear(); } void WidgetDrawData::calcBackgroundOffset() { uint maxShadow = 0; for (Common::List::const_iterator step = _steps.begin(); step != _steps.end(); ++step) { if ((step->autoWidth || step->autoHeight) && step->shadow > maxShadow) maxShadow = step->shadow; if (step->drawingCall == &Graphics::VectorRenderer::drawCallback_BEVELSQ && step->bevel > maxShadow) maxShadow = step->bevel; } _backgroundOffset = maxShadow; } void ThemeEngine::restoreBackground(Common::Rect r) { r.clip(_screen.w, _screen.h); _vectorRenderer->blitSurface(&_backBuffer, r); } /********************************************************** * Theme elements management *********************************************************/ void ThemeEngine::addDrawStep(const Common::String &drawDataId, const Graphics::DrawStep &step) { DrawData id = parseDrawDataId(drawDataId); assert(id != kDDNone && _widgets[id] != 0); _widgets[id]->_steps.push_back(step); } bool ThemeEngine::addTextData(const Common::String &drawDataId, TextData textId, TextColor colorId, Graphics::TextAlign alignH, TextAlignVertical alignV) { DrawData id = parseDrawDataId(drawDataId); if (id == -1 || textId == -1 || colorId == kTextColorMAX || !_widgets[id]) return false; _widgets[id]->_textDataId = textId; _widgets[id]->_textColorId = colorId; _widgets[id]->_textAlignH = alignH; _widgets[id]->_textAlignV = alignV; return true; } bool ThemeEngine::addFont(TextData textId, const Common::String &file, const Common::String &scalableFile, const int pointsize) { if (textId == -1) return false; if (_texts[textId] != 0) delete _texts[textId]; _texts[textId] = new TextDrawData; if (file == "default") { _texts[textId]->_fontPtr = _font; } else { Common::String localized = FontMan.genLocalizedFontFilename(file); const Common::String charset #ifdef USE_TRANSLATION (TransMan.getCurrentCharset()) #endif ; // Try localized fonts _texts[textId]->_fontPtr = loadFont(localized, scalableFile, charset, pointsize, textId == kTextDataDefault); if (!_texts[textId]->_fontPtr) { // Try standard fonts _texts[textId]->_fontPtr = loadFont(file, scalableFile, Common::String(), pointsize, textId == kTextDataDefault); if (!_texts[textId]->_fontPtr) error("Couldn't load font '%s'/'%s'", file.c_str(), scalableFile.c_str()); #ifdef USE_TRANSLATION TransMan.setLanguage("C"); #endif warning("Failed to load localized font '%s'. Using non-localized font and default GUI language instead", localized.c_str()); } } return true; } bool ThemeEngine::addTextColor(TextColor colorId, int r, int g, int b) { if (colorId >= kTextColorMAX) return false; if (_textColors[colorId] != 0) delete _textColors[colorId]; _textColors[colorId] = new TextColorData; _textColors[colorId]->r = r; _textColors[colorId]->g = g; _textColors[colorId]->b = b; return true; } bool ThemeEngine::addBitmap(const Common::String &filename) { // Nothing has to be done if the bitmap already has been loaded. Graphics::Surface *surf = _bitmaps[filename]; if (surf) return true; const Graphics::Surface *srcSurface = 0; if (filename.hasSuffix(".png")) { // Maybe it is PNG? #ifdef USE_PNG Image::PNGDecoder decoder; Common::ArchiveMemberList members; _themeFiles.listMatchingMembers(members, filename); for (Common::ArchiveMemberList::const_iterator i = members.begin(), end = members.end(); i != end; ++i) { Common::SeekableReadStream *stream = (*i)->createReadStream(); if (stream) { if (!decoder.loadStream(*stream)) error("Error decoding PNG"); srcSurface = decoder.getSurface(); delete stream; if (srcSurface) break; } } if (srcSurface && srcSurface->format.bytesPerPixel != 1) surf = srcSurface->convertTo(_overlayFormat); #else error("No PNG support compiled in"); #endif } else { // If not, try to load the bitmap via the BitmapDecoder class. Image::BitmapDecoder bitmapDecoder; Common::ArchiveMemberList members; _themeFiles.listMatchingMembers(members, filename); for (Common::ArchiveMemberList::const_iterator i = members.begin(), end = members.end(); i != end; ++i) { Common::SeekableReadStream *stream = (*i)->createReadStream(); if (stream) { bitmapDecoder.loadStream(*stream); srcSurface = bitmapDecoder.getSurface(); delete stream; if (srcSurface) break; } } if (srcSurface && srcSurface->format.bytesPerPixel != 1) surf = srcSurface->convertTo(_overlayFormat); } // Store the surface into our hashmap (attention, may store NULL entries!) _bitmaps[filename] = surf; return surf != 0; } bool ThemeEngine::addAlphaBitmap(const Common::String &filename) { // Nothing has to be done if the bitmap already has been loaded. Graphics::TransparentSurface *surf = _abitmaps[filename]; if (surf) return true; const Graphics::TransparentSurface *srcSurface = 0; if (filename.hasSuffix(".png")) { // Maybe it is PNG? #ifdef USE_PNG Image::PNGDecoder decoder; Common::ArchiveMemberList members; _themeFiles.listMatchingMembers(members, filename); for (Common::ArchiveMemberList::const_iterator i = members.begin(), end = members.end(); i != end; ++i) { Common::SeekableReadStream *stream = (*i)->createReadStream(); if (stream) { if (!decoder.loadStream(*stream)) error("Error decoding PNG"); srcSurface = new Graphics::TransparentSurface(*decoder.getSurface(), true); delete stream; if (srcSurface) break; } } if (srcSurface && srcSurface->format.bytesPerPixel != 1) surf = srcSurface->convertTo(_overlayFormat); #else error("No PNG support compiled in"); #endif } else { error("Only PNG is supported as alphabitmap"); } // Store the surface into our hashmap (attention, may store NULL entries!) _abitmaps[filename] = surf; return surf != 0; } bool ThemeEngine::addDrawData(const Common::String &data, bool cached) { DrawData id = parseDrawDataId(data); if (id == -1) return false; if (_widgets[id] != 0) delete _widgets[id]; _widgets[id] = new WidgetDrawData; _widgets[id]->_buffer = kDrawDataDefaults[id].buffer; _widgets[id]->_textDataId = kTextDataNone; return true; } /********************************************************** * Theme XML loading *********************************************************/ void ThemeEngine::loadTheme(const Common::String &themeId) { unloadTheme(); debug(6, "Loading theme %s", themeId.c_str()); if (themeId == "builtin") { _themeOk = loadDefaultXML(); } else { // Load the archive containing image and XML data _themeOk = loadThemeXML(themeId); } if (!_themeOk) { warning("Failed to load theme '%s'", themeId.c_str()); return; } for (int i = 0; i < kDrawDataMAX; ++i) { if (_widgets[i] == 0) { warning("Missing data asset: '%s'", kDrawDataDefaults[i].name); } else { _widgets[i]->calcBackgroundOffset(); } } } void ThemeEngine::unloadTheme() { if (!_themeOk) return; for (int i = 0; i < kDrawDataMAX; ++i) { delete _widgets[i]; _widgets[i] = 0; } for (int i = 0; i < kTextDataMAX; ++i) { delete _texts[i]; _texts[i] = 0; } for (int i = 0; i < kTextColorMAX; ++i) { delete _textColors[i]; _textColors[i] = 0; } _themeEval->reset(); _themeOk = false; } bool ThemeEngine::loadDefaultXML() { // The default XML theme is included on runtime from a pregenerated // file inside the themes directory. // Use the Python script "makedeftheme.py" to convert a normal XML theme // into the "default.inc" file, which is ready to be included in the code. #ifndef DISABLE_GUI_BUILTIN_THEME #include "themes/default.inc" int xmllen = 0; for (int i = 0; i < ARRAYSIZE(defaultXML); i++) xmllen += strlen(defaultXML[i]); byte *tmpXML = (byte *)malloc(xmllen + 1); tmpXML[0] = '\0'; for (int i = 0; i < ARRAYSIZE(defaultXML); i++) strncat((char *)tmpXML, defaultXML[i], xmllen); if (!_parser->loadBuffer(tmpXML, xmllen)) { free(tmpXML); return false; } _themeName = "ScummVM Classic Theme (Builtin Version)"; _themeId = "builtin"; _themeFile.clear(); bool result = _parser->parse(); _parser->close(); free(tmpXML); return result; #else warning("The built-in theme is not enabled in the current build. Please load an external theme"); return false; #endif } bool ThemeEngine::loadThemeXML(const Common::String &themeId) { assert(_parser); assert(_themeArchive); _themeName.clear(); // // Now that we have a Common::Archive, verify that it contains a valid THEMERC File // Common::File themercFile; themercFile.open("THEMERC", *_themeArchive); if (!themercFile.isOpen()) { warning("Theme '%s' contains no 'THEMERC' file.", themeId.c_str()); return false; } Common::String stxHeader = themercFile.readLine(); if (!themeConfigParseHeader(stxHeader, _themeName) || _themeName.empty()) { warning("Corrupted 'THEMERC' file in theme '%s'", themeId.c_str()); return false; } Common::ArchiveMemberList members; if (0 == _themeArchive->listMatchingMembers(members, "*.stx")) { warning("Found no STX files for theme '%s'.", themeId.c_str()); return false; } // // Loop over all STX files, load and parse them // for (Common::ArchiveMemberList::iterator i = members.begin(); i != members.end(); ++i) { assert((*i)->getName().hasSuffix(".stx")); if (_parser->loadStream((*i)->createReadStream()) == false) { warning("Failed to load STX file '%s'", (*i)->getDisplayName().c_str()); _parser->close(); return false; } if (_parser->parse() == false) { warning("Failed to parse STX file '%s'", (*i)->getDisplayName().c_str()); _parser->close(); return false; } _parser->close(); } assert(!_themeName.empty()); return true; } /********************************************************** * Drawing Queue management *********************************************************/ void ThemeEngine::queueDD(DrawData type, const Common::Rect &r, uint32 dynamic, bool restore) { if (_widgets[type] == 0) return; Common::Rect area = r; area.clip(_screen.w, _screen.h); ThemeItemDrawData *q = new ThemeItemDrawData(this, _widgets[type], area, dynamic); if (_buffering) { if (_widgets[type]->_buffer) { _bufferQueue.push_back(q); } else { if (kDrawDataDefaults[type].parent != kDDNone && kDrawDataDefaults[type].parent != type) queueDD(kDrawDataDefaults[type].parent, r); _screenQueue.push_back(q); } } else { q->drawSelf(!_widgets[type]->_buffer, restore || _widgets[type]->_buffer); delete q; } } void ThemeEngine::queueDDClip(DrawData type, const Common::Rect &r, const Common::Rect &clippingRect, uint32 dynamic, bool restore) { if (_widgets[type] == 0) return; Common::Rect area = r; area.clip(_screen.w, _screen.h); ThemeItemDrawDataClip *q = new ThemeItemDrawDataClip(this, _widgets[type], area, clippingRect, dynamic); if (_buffering) { if (_widgets[type]->_buffer) { _bufferQueue.push_back(q); } else { if (kDrawDataDefaults[type].parent != kDDNone && kDrawDataDefaults[type].parent != type) queueDDClip(kDrawDataDefaults[type].parent, r, clippingRect); _screenQueue.push_back(q); } } else { q->drawSelf(!_widgets[type]->_buffer, restore || _widgets[type]->_buffer); delete q; } } void ThemeEngine::queueDDText(TextData type, TextColor color, const Common::Rect &r, const Common::String &text, bool restoreBg, bool ellipsis, Graphics::TextAlign alignH, TextAlignVertical alignV, int deltax, const Common::Rect &drawableTextArea) { if (type == kTextDataNone || _texts[type] == 0) return; Common::Rect area = r; area.clip(_screen.w, _screen.h); ThemeItemTextData *q = new ThemeItemTextData(this, _texts[type], _textColors[color], area, drawableTextArea, text, alignH, alignV, ellipsis, restoreBg, deltax); if (_buffering) { _screenQueue.push_back(q); } else { q->drawSelf(true, false); delete q; } } void ThemeEngine::queueDDTextClip(TextData type, TextColor color, const Common::Rect &r, const Common::Rect &clippingArea, const Common::String &text, bool restoreBg, bool ellipsis, Graphics::TextAlign alignH, TextAlignVertical alignV, int deltax, const Common::Rect &drawableTextArea) { if (_texts[type] == 0) return; Common::Rect area = r; area.clip(_screen.w, _screen.h); Common::Rect textArea = drawableTextArea; if (textArea.isEmpty()) textArea = clippingArea; else textArea.clip(clippingArea); ThemeItemTextData *q = new ThemeItemTextData(this, _texts[type], _textColors[color], area, textArea, text, alignH, alignV, ellipsis, restoreBg, deltax); if (_buffering) { _screenQueue.push_back(q); } else { q->drawSelf(true, false); delete q; } } void ThemeEngine::queueBitmap(const Graphics::Surface *bitmap, const Common::Rect &r, bool alpha) { Common::Rect area = r; area.clip(_screen.w, _screen.h); ThemeItemBitmap *q = new ThemeItemBitmap(this, area, bitmap, alpha); if (_buffering) { _screenQueue.push_back(q); } else { q->drawSelf(true, false); delete q; } } void ThemeEngine::queueBitmapClip(const Graphics::Surface *bitmap, const Common::Rect &r, const Common::Rect &clip, bool alpha) { Common::Rect area = r; area.clip(_screen.w, _screen.h); ThemeItemBitmapClip *q = new ThemeItemBitmapClip(this, area, clip, bitmap, alpha); if (_buffering) { _screenQueue.push_back(q); } else { q->drawSelf(true, false); delete q; } } /********************************************************** * Widget drawing functions *********************************************************/ void ThemeEngine::drawButton(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, uint16 hints) { if (!ready()) return; DrawData dd = kDDButtonIdle; if (state == kStateEnabled) dd = kDDButtonIdle; else if (state == kStateHighlight) dd = kDDButtonHover; else if (state == kStateDisabled) dd = kDDButtonDisabled; else if (state == kStatePressed) dd = kDDButtonPressed; queueDD(dd, r, 0, hints & WIDGET_CLEARBG); queueDDText(getTextData(dd), getTextColor(dd), r, str, false, true, _widgets[dd]->_textAlignH, _widgets[dd]->_textAlignV); } void ThemeEngine::drawButtonClip(const Common::Rect &r, const Common::Rect &clippingRect, const Common::String &str, WidgetStateInfo state, uint16 hints) { if (!ready()) return; DrawData dd = kDDButtonIdle; if (state == kStateEnabled) dd = kDDButtonIdle; else if (state == kStateHighlight) dd = kDDButtonHover; else if (state == kStateDisabled) dd = kDDButtonDisabled; else if (state == kStatePressed) dd = kDDButtonPressed; queueDDClip(dd, r, clippingRect, 0, hints & WIDGET_CLEARBG); queueDDTextClip(getTextData(dd), getTextColor(dd), r, clippingRect, str, false, true, _widgets[dd]->_textAlignH, _widgets[dd]->_textAlignV); } void ThemeEngine::drawLineSeparator(const Common::Rect &r, WidgetStateInfo state) { if (!ready()) return; queueDD(kDDSeparator, r); } void ThemeEngine::drawLineSeparatorClip(const Common::Rect &r, const Common::Rect &clippingRect, WidgetStateInfo state) { if (!ready()) return; queueDDClip(kDDSeparator, r, clippingRect); } void ThemeEngine::drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, WidgetStateInfo state) { if (!ready()) return; Common::Rect r2 = r; DrawData dd = kDDCheckboxDefault; if (checked) dd = kDDCheckboxSelected; if (state == kStateDisabled) dd = kDDCheckboxDisabled; const int checkBoxSize = MIN((int)r.height(), getFontHeight()); r2.bottom = r2.top + checkBoxSize; r2.right = r2.left + checkBoxSize; queueDD(dd, r2); r2.left = r2.right + checkBoxSize; r2.right = r.right; queueDDText(getTextData(dd), getTextColor(dd), r2, str, true, false, _widgets[kDDCheckboxDefault]->_textAlignH, _widgets[dd]->_textAlignV); } void ThemeEngine::drawCheckboxClip(const Common::Rect &r, const Common::Rect &clip, const Common::String &str, bool checked, WidgetStateInfo state) { if (!ready()) return; Common::Rect r2 = r; DrawData dd = kDDCheckboxDefault; if (checked) dd = kDDCheckboxSelected; if (state == kStateDisabled) dd = kDDCheckboxDisabled; const int checkBoxSize = MIN((int)r.height(), getFontHeight()); r2.bottom = r2.top + checkBoxSize; r2.right = r2.left + checkBoxSize; queueDDClip(dd, r2, clip); r2.left = r2.right + checkBoxSize; r2.right = r.right; queueDDTextClip(getTextData(dd), getTextColor(dd), r2, clip, str, true, false, _widgets[kDDCheckboxDefault]->_textAlignH, _widgets[dd]->_textAlignV); } void ThemeEngine::drawRadiobutton(const Common::Rect &r, const Common::String &str, bool checked, WidgetStateInfo state) { if (!ready()) return; Common::Rect r2 = r; DrawData dd = kDDRadiobuttonDefault; if (checked) dd = kDDRadiobuttonSelected; if (state == kStateDisabled) dd = kDDRadiobuttonDisabled; const int checkBoxSize = MIN((int)r.height(), getFontHeight()); r2.bottom = r2.top + checkBoxSize; r2.right = r2.left + checkBoxSize; queueDD(dd, r2); r2.left = r2.right + checkBoxSize; r2.right = r.right; queueDDText(getTextData(dd), getTextColor(dd), r2, str, true, false, _widgets[kDDRadiobuttonDefault]->_textAlignH, _widgets[dd]->_textAlignV); } void ThemeEngine::drawRadiobuttonClip(const Common::Rect &r, const Common::Rect &clippingRect, const Common::String &str, bool checked, WidgetStateInfo state) { if (!ready()) return; Common::Rect r2 = r; DrawData dd = kDDRadiobuttonDefault; if (checked) dd = kDDRadiobuttonSelected; if (state == kStateDisabled) dd = kDDRadiobuttonDisabled; const int checkBoxSize = MIN((int)r.height(), getFontHeight()); r2.bottom = r2.top + checkBoxSize; r2.right = r2.left + checkBoxSize; queueDDClip(dd, r2, clippingRect); r2.left = r2.right + checkBoxSize; r2.right = r.right; queueDDTextClip(getTextData(dd), getTextColor(dd), r2, clippingRect, str, true, false, _widgets[kDDRadiobuttonDefault]->_textAlignH, _widgets[dd]->_textAlignV); } void ThemeEngine::drawSlider(const Common::Rect &r, int width, WidgetStateInfo state) { if (!ready()) return; DrawData dd = kDDSliderFull; if (state == kStateHighlight) dd = kDDSliderHover; else if (state == kStateDisabled) dd = kDDSliderDisabled; Common::Rect r2 = r; r2.setWidth(MIN((int16)width, r.width())); // r2.top++; r2.bottom--; r2.left++; r2.right--; drawWidgetBackground(r, 0, kWidgetBackgroundSlider, kStateEnabled); queueDD(dd, r2); } void ThemeEngine::drawSliderClip(const Common::Rect &r, const Common::Rect &clip, int width, WidgetStateInfo state) { if (!ready()) return; DrawData dd = kDDSliderFull; if (state == kStateHighlight) dd = kDDSliderHover; else if (state == kStateDisabled) dd = kDDSliderDisabled; Common::Rect r2 = r; r2.setWidth(MIN((int16)width, r.width())); // r2.top++; r2.bottom--; r2.left++; r2.right--; drawWidgetBackgroundClip(r, clip, 0, kWidgetBackgroundSlider, kStateEnabled); queueDDClip(dd, r2, clip); } void ThemeEngine::drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState scrollState, WidgetStateInfo state) { if (!ready()) return; queueDD(kDDScrollbarBase, r); Common::Rect r2 = r; const int buttonExtra = (r.width() * 120) / 100; r2.bottom = r2.top + buttonExtra; queueDD(scrollState == kScrollbarStateUp ? kDDScrollbarButtonHover : kDDScrollbarButtonIdle, r2, Graphics::VectorRenderer::kTriangleUp); r2.translate(0, r.height() - r2.height()); queueDD(scrollState == kScrollbarStateDown ? kDDScrollbarButtonHover : kDDScrollbarButtonIdle, r2, Graphics::VectorRenderer::kTriangleDown); r2 = r; r2.left += 1; r2.right -= 1; r2.top += sliderY; r2.bottom = r2.top + sliderHeight; //r2.top += r.width() / 5; //r2.bottom -= r.width() / 5; queueDD(scrollState == kScrollbarStateSlider ? kDDScrollbarHandleHover : kDDScrollbarHandleIdle, r2); } void ThemeEngine::drawScrollbarClip(const Common::Rect &r, const Common::Rect &clippingRect, int sliderY, int sliderHeight, ScrollbarState scrollState, WidgetStateInfo state) { if (!ready()) return; queueDDClip(kDDScrollbarBase, r, clippingRect); Common::Rect r2 = r; const int buttonExtra = (r.width() * 120) / 100; r2.bottom = r2.top + buttonExtra; queueDDClip(scrollState == kScrollbarStateUp ? kDDScrollbarButtonHover : kDDScrollbarButtonIdle, r2, clippingRect, Graphics::VectorRenderer::kTriangleUp); r2.translate(0, r.height() - r2.height()); queueDDClip(scrollState == kScrollbarStateDown ? kDDScrollbarButtonHover : kDDScrollbarButtonIdle, r2, clippingRect, Graphics::VectorRenderer::kTriangleDown); r2 = r; r2.left += 1; r2.right -= 1; r2.top += sliderY; r2.bottom = r2.top + sliderHeight; queueDDClip(scrollState == kScrollbarStateSlider ? kDDScrollbarHandleHover : kDDScrollbarHandleIdle, r2, clippingRect); } void ThemeEngine::drawDialogBackground(const Common::Rect &r, DialogBackground bgtype, WidgetStateInfo state) { if (!ready()) return; switch (bgtype) { case kDialogBackgroundMain: queueDD(kDDMainDialogBackground, r); break; case kDialogBackgroundSpecial: queueDD(kDDSpecialColorBackground, r); break; case kDialogBackgroundPlain: queueDD(kDDPlainColorBackground, r); break; case kDialogBackgroundTooltip: queueDD(kDDTooltipBackground, r); break; case kDialogBackgroundDefault: queueDD(kDDDefaultBackground, r); break; } } void ThemeEngine::drawDialogBackgroundClip(const Common::Rect &r, const Common::Rect &clip, DialogBackground bgtype, WidgetStateInfo state) { if (!ready()) return; switch (bgtype) { case kDialogBackgroundMain: queueDDClip(kDDMainDialogBackground, r, clip); break; case kDialogBackgroundSpecial: queueDDClip(kDDSpecialColorBackground, r, clip); break; case kDialogBackgroundPlain: queueDDClip(kDDPlainColorBackground, r, clip); break; case kDialogBackgroundTooltip: queueDDClip(kDDTooltipBackground, r, clip); break; case kDialogBackgroundDefault: queueDDClip(kDDDefaultBackground, r, clip); break; } } void ThemeEngine::drawCaret(const Common::Rect &r, bool erase, WidgetStateInfo state) { if (!ready()) return; if (erase) { restoreBackground(r); addDirtyRect(r); } else queueDD(kDDCaret, r); } void ThemeEngine::drawCaretClip(const Common::Rect &r, const Common::Rect &clip, bool erase, WidgetStateInfo state) { if (!ready()) return; if (erase) { restoreBackground(r); addDirtyRect(r); } else queueDDClip(kDDCaret, r, clip); } void ThemeEngine::drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, WidgetStateInfo state, Graphics::TextAlign align) { if (!ready()) return; DrawData dd = kDDPopUpIdle; if (state == kStateEnabled) dd = kDDPopUpIdle; else if (state == kStateHighlight) dd = kDDPopUpHover; else if (state == kStateDisabled) dd = kDDPopUpDisabled; queueDD(dd, r); if (!sel.empty()) { Common::Rect text(r.left + 3, r.top + 1, r.right - 10, r.bottom); queueDDText(getTextData(dd), getTextColor(dd), text, sel, true, false, _widgets[dd]->_textAlignH, _widgets[dd]->_textAlignV, deltax); } } void ThemeEngine::drawPopUpWidgetClip(const Common::Rect &r, const Common::Rect &clip, const Common::String &sel, int deltax, WidgetStateInfo state, Graphics::TextAlign align) { if (!ready()) return; DrawData dd = kDDPopUpIdle; if (state == kStateEnabled) dd = kDDPopUpIdle; else if (state == kStateHighlight) dd = kDDPopUpHover; else if (state == kStateDisabled) dd = kDDPopUpDisabled; queueDDClip(dd, r, clip); if (!sel.empty()) { Common::Rect text(r.left + 3, r.top + 1, r.right - 10, r.bottom); queueDDTextClip(getTextData(dd), getTextColor(dd), text, clip, sel, true, false, _widgets[dd]->_textAlignH, _widgets[dd]->_textAlignV, deltax); } } void ThemeEngine::drawSurface(const Common::Rect &r, const Graphics::Surface &surface, WidgetStateInfo state, int alpha, bool themeTrans) { if (!ready()) return; queueBitmap(&surface, r, themeTrans); } void ThemeEngine::drawSurfaceClip(const Common::Rect &r, const Common::Rect &clip, const Graphics::Surface &surface, WidgetStateInfo state, int alpha, bool themeTrans) { if (!ready()) return; queueBitmapClip(&surface, r, clip, themeTrans); } void ThemeEngine::drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background, WidgetStateInfo state) { if (!ready()) return; switch (background) { case kWidgetBackgroundBorderSmall: queueDD(kDDWidgetBackgroundSmall, r); break; case kWidgetBackgroundEditText: queueDD(kDDWidgetBackgroundEditText, r); break; case kWidgetBackgroundSlider: queueDD(kDDWidgetBackgroundSlider, r); break; default: queueDD(kDDWidgetBackgroundDefault, r); break; } } void ThemeEngine::drawWidgetBackgroundClip(const Common::Rect &r, const Common::Rect &clip, uint16 hints, WidgetBackground background, WidgetStateInfo state) { if (!ready()) return; switch (background) { case kWidgetBackgroundBorderSmall: queueDDClip(kDDWidgetBackgroundSmall, r, clip); break; case kWidgetBackgroundEditText: queueDDClip(kDDWidgetBackgroundEditText, r, clip); break; case kWidgetBackgroundSlider: queueDDClip(kDDWidgetBackgroundSlider, r, clip); break; default: queueDDClip(kDDWidgetBackgroundDefault, r, clip); break; } } void ThemeEngine::drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array &tabs, int active, uint16 hints, int titleVPad, WidgetStateInfo state) { if (!ready()) return; queueDD(kDDTabBackground, Common::Rect(r.left, r.top, r.right, r.top + tabHeight)); for (int i = 0; i < (int)tabs.size(); ++i) { if (i == active) continue; if (r.left + i * tabWidth > r.right || r.left + (i + 1) * tabWidth > r.right) continue; Common::Rect tabRect(r.left + i * tabWidth, r.top, r.left + (i + 1) * tabWidth, r.top + tabHeight); queueDD(kDDTabInactive, tabRect); queueDDText(getTextData(kDDTabInactive), getTextColor(kDDTabInactive), tabRect, tabs[i], false, false, _widgets[kDDTabInactive]->_textAlignH, _widgets[kDDTabInactive]->_textAlignV); } if (active >= 0 && (r.left + active * tabWidth < r.right) && (r.left + (active + 1) * tabWidth < r.right)) { Common::Rect tabRect(r.left + active * tabWidth, r.top, r.left + (active + 1) * tabWidth, r.top + tabHeight); const uint16 tabLeft = active * tabWidth; const uint16 tabRight = MAX(r.right - tabRect.right, 0); queueDD(kDDTabActive, tabRect, (tabLeft << 16) | (tabRight & 0xFFFF)); queueDDText(getTextData(kDDTabActive), getTextColor(kDDTabActive), tabRect, tabs[active], false, false, _widgets[kDDTabActive]->_textAlignH, _widgets[kDDTabActive]->_textAlignV); } } void ThemeEngine::drawTabClip(const Common::Rect &r, const Common::Rect &clip, int tabHeight, int tabWidth, const Common::Array &tabs, int active, uint16 hints, int titleVPad, WidgetStateInfo state) { if (!ready()) return; queueDDClip(kDDTabBackground, Common::Rect(r.left, r.top, r.right, r.top + tabHeight), clip); for (int i = 0; i < (int)tabs.size(); ++i) { if (i == active) continue; if (r.left + i * tabWidth > r.right || r.left + (i + 1) * tabWidth > r.right) continue; Common::Rect tabRect(r.left + i * tabWidth, r.top, r.left + (i + 1) * tabWidth, r.top + tabHeight); queueDDClip(kDDTabInactive, tabRect, clip); queueDDTextClip(getTextData(kDDTabInactive), getTextColor(kDDTabInactive), tabRect, clip, tabs[i], false, false, _widgets[kDDTabInactive]->_textAlignH, _widgets[kDDTabInactive]->_textAlignV); } if (active >= 0 && (r.left + active * tabWidth < r.right) && (r.left + (active + 1) * tabWidth < r.right)) { Common::Rect tabRect(r.left + active * tabWidth, r.top, r.left + (active + 1) * tabWidth, r.top + tabHeight); const uint16 tabLeft = active * tabWidth; const uint16 tabRight = MAX(r.right - tabRect.right, 0); queueDDClip(kDDTabActive, tabRect, clip, (tabLeft << 16) | (tabRight & 0xFFFF)); queueDDTextClip(getTextData(kDDTabActive), getTextColor(kDDTabActive), tabRect, clip, tabs[active], false, false, _widgets[kDDTabActive]->_textAlignH, _widgets[kDDTabActive]->_textAlignV); } } void ThemeEngine::drawText(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, Graphics::TextAlign align, TextInversionState inverted, int deltax, bool useEllipsis, FontStyle font, FontColor color, bool restore, const Common::Rect &drawableTextArea) { if (!ready()) return; TextColor colorId = kTextColorMAX; switch (color) { case kFontColorNormal: if (inverted) { colorId = kTextColorNormalInverted; } else { switch (state) { case kStateDisabled: colorId = kTextColorNormalDisabled; break; case kStateHighlight: colorId = kTextColorNormalHover; break; case kStateEnabled: case kStatePressed: colorId = kTextColorNormal; break; } } break; case kFontColorAlternate: if (inverted) { colorId = kTextColorAlternativeInverted; } else { switch (state) { case kStateDisabled: colorId = kTextColorAlternativeDisabled; break; case kStateHighlight: colorId = kTextColorAlternativeHover; break; case kStateEnabled: case kStatePressed: colorId = kTextColorAlternative; break; } } break; default: return; } TextData textId = fontStyleToData(font); switch (inverted) { case kTextInversion: queueDD(kDDTextSelectionBackground, r); restore = false; break; case kTextInversionFocus: queueDD(kDDTextSelectionFocusBackground, r); restore = false; break; default: break; } queueDDText(textId, colorId, r, str, restore, useEllipsis, align, kTextAlignVCenter, deltax, drawableTextArea); } void ThemeEngine::drawTextClip(const Common::Rect &r, const Common::Rect &clippingArea, const Common::String &str, WidgetStateInfo state, Graphics::TextAlign align, TextInversionState inverted, int deltax, bool useEllipsis, FontStyle font, FontColor color, bool restore, const Common::Rect &drawableTextArea) { if (!ready()) return; TextColor colorId = kTextColorMAX; switch (color) { case kFontColorNormal: if (inverted) { colorId = kTextColorNormalInverted; } else { switch (state) { case kStateDisabled: colorId = kTextColorNormalDisabled; break; case kStateHighlight: colorId = kTextColorNormalHover; break; case kStateEnabled: case kStatePressed: colorId = kTextColorNormal; break; } } break; case kFontColorAlternate: if (inverted) { colorId = kTextColorAlternativeInverted; } else { switch (state) { case kStateDisabled: colorId = kTextColorAlternativeDisabled; break; case kStateHighlight: colorId = kTextColorAlternativeHover; break; case kStateEnabled: case kStatePressed: colorId = kTextColorAlternative; break; } } break; default: return; } TextData textId = fontStyleToData(font); switch (inverted) { case kTextInversion: queueDDClip(kDDTextSelectionBackground, r, clippingArea); restore = false; break; case kTextInversionFocus: queueDDClip(kDDTextSelectionFocusBackground, r, clippingArea); restore = false; break; default: break; } queueDDTextClip(textId, colorId, r, clippingArea, str, restore, useEllipsis, align, kTextAlignVCenter, deltax, drawableTextArea); } void ThemeEngine::drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, WidgetStateInfo state, FontColor color) { if (!ready()) return; Common::Rect charArea = r; charArea.clip(_screen.w, _screen.h); uint32 rgbColor = _overlayFormat.RGBToColor(_textColors[color]->r, _textColors[color]->g, _textColors[color]->b); restoreBackground(charArea); font->drawChar(&_screen, ch, charArea.left, charArea.top, rgbColor); addDirtyRect(charArea); } void ThemeEngine::drawCharClip(const Common::Rect &r, const Common::Rect &clip, byte ch, const Graphics::Font *font, WidgetStateInfo state, FontColor color) { if (!ready()) return; Common::Rect charArea = r; charArea.clip(_screen.w, _screen.h); if (!clip.isEmpty()) charArea.clip(clip); uint32 rgbColor = _overlayFormat.RGBToColor(_textColors[color]->r, _textColors[color]->g, _textColors[color]->b); restoreBackground(charArea); font->drawChar(&_screen, ch, charArea.left, charArea.top, rgbColor); addDirtyRect(charArea); } void ThemeEngine::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); } /********************************************************** * Screen/overlay management *********************************************************/ void ThemeEngine::updateScreen(bool render) { if (!_bufferQueue.empty()) { _vectorRenderer->setSurface(&_backBuffer); for (Common::List::iterator q = _bufferQueue.begin(); q != _bufferQueue.end(); ++q) { (*q)->drawSelf(true, false); delete *q; } _vectorRenderer->setSurface(&_screen); memcpy(_screen.getPixels(), _backBuffer.getPixels(), _screen.pitch * _screen.h); _bufferQueue.clear(); } if (!_screenQueue.empty()) { _vectorRenderer->disableShadows(); for (Common::List::iterator q = _screenQueue.begin(); q != _screenQueue.end(); ++q) { (*q)->drawSelf(true, false); delete *q; } _vectorRenderer->enableShadows(); _screenQueue.clear(); } if (render) { #ifdef LAYOUT_DEBUG_DIALOG _vectorRenderer->fillSurface(); _themeEval->debugDraw(&_screen, _font); _vectorRenderer->copyWholeFrame(_system); #else renderDirtyScreen(); #endif } } void ThemeEngine::addDirtyRect(Common::Rect r) { // Clip the rect to screen coords r.clip(_screen.w, _screen.h); // If it is empty after clipping, we are done if (r.isEmpty()) return; // Check if the new rectangle is contained within another in the list Common::List::iterator it; for (it = _dirtyScreen.begin(); it != _dirtyScreen.end();) { // If we find a rectangle which fully contains the new one, // we can abort the search. if (it->contains(r)) return; // Conversely, if we find rectangles which are contained in // the new one, we can remove them if (r.contains(*it)) it = _dirtyScreen.erase(it); else ++it; } // If we got here, we can safely add r to the list of dirty rects. _dirtyScreen.push_back(r); } void ThemeEngine::renderDirtyScreen() { if (_dirtyScreen.empty()) return; Common::List::iterator i; for (i = _dirtyScreen.begin(); i != _dirtyScreen.end(); ++i) { _vectorRenderer->copyFrame(_system, *i); } _dirtyScreen.clear(); } void ThemeEngine::openDialog(bool doBuffer, ShadingStyle style) { if (doBuffer) _buffering = true; if (style != kShadingNone) { _vectorRenderer->applyScreenShading(style); addDirtyRect(Common::Rect(0, 0, _screen.w, _screen.h)); } memcpy(_backBuffer.getPixels(), _screen.getPixels(), _screen.pitch * _screen.h); _vectorRenderer->setSurface(&_screen); } bool ThemeEngine::createCursor(const Common::String &filename, int hotspotX, int hotspotY) { if (!_system->hasFeature(OSystem::kFeatureCursorPalette)) return true; // Try to locate the specified file among all loaded bitmaps const Graphics::Surface *cursor = _bitmaps[filename]; if (!cursor) return false; #ifdef USE_RGB_COLOR _cursorFormat.bytesPerPixel = 1; _cursorFormat.rLoss = _cursorFormat.gLoss = _cursorFormat.bLoss = _cursorFormat.aLoss = 8; _cursorFormat.rShift = _cursorFormat.gShift = _cursorFormat.bShift = _cursorFormat.aShift = 0; #endif // Set up the cursor parameters _cursorHotspotX = hotspotX; _cursorHotspotY = hotspotY; _cursorWidth = cursor->w; _cursorHeight = cursor->h; // Allocate a new buffer for the cursor delete[] _cursor; _cursor = new byte[_cursorWidth * _cursorHeight]; assert(_cursor); memset(_cursor, 0xFF, sizeof(byte) * _cursorWidth * _cursorHeight); // the transparent color is 0xFF00FF const uint32 colTransparent = _overlayFormat.RGBToColor(0xFF, 0, 0xFF); // Now, scan the bitmap. We have to convert it from 16 bit color mode // to 8 bit mode, and have to create a suitable palette on the fly. uint colorsFound = 0; Common::HashMap colorToIndex; const byte *src = (const byte *)cursor->getPixels(); for (uint y = 0; y < _cursorHeight; ++y) { for (uint x = 0; x < _cursorWidth; ++x) { uint32 color = colTransparent; byte r, g, b; if (cursor->format.bytesPerPixel == 2) { color = READ_UINT16(src); } else if (cursor->format.bytesPerPixel == 4) { color = READ_UINT32(src); } src += cursor->format.bytesPerPixel; // Skip transparency if (color == colTransparent) continue; cursor->format.colorToRGB(color, r, g, b); const int col = (r << 16) | (g << 8) | b; // If there is no entry yet for this color in the palette: Add one if (!colorToIndex.contains(col)) { if (colorsFound >= MAX_CURS_COLORS) { warning("Cursor contains too many colors (%d, but only %d are allowed)", colorsFound, MAX_CURS_COLORS); return false; } const int index = colorsFound++; colorToIndex[col] = index; _cursorPal[index * 3 + 0] = r; _cursorPal[index * 3 + 1] = g; _cursorPal[index * 3 + 2] = b; } // Copy pixel from the 16 bit source surface to the 8bit target surface const int index = colorToIndex[col]; _cursor[y * _cursorWidth + x] = index; } } _useCursor = true; _cursorPalSize = colorsFound; return true; } /********************************************************** * Legacy GUI::Theme support functions *********************************************************/ const Graphics::Font *ThemeEngine::getFont(FontStyle font) const { return _texts[fontStyleToData(font)]->_fontPtr; } int ThemeEngine::getFontHeight(FontStyle font) const { return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getFontHeight() : 0; } int ThemeEngine::getStringWidth(const Common::String &str, FontStyle font) const { return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getStringWidth(str) : 0; } int ThemeEngine::getCharWidth(byte c, FontStyle font) const { return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getCharWidth(c) : 0; } int ThemeEngine::getKerningOffset(byte left, byte right, FontStyle font) const { return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getKerningOffset(left, right) : 0; } TextData ThemeEngine::getTextData(DrawData ddId) const { return _widgets[ddId] ? (TextData)_widgets[ddId]->_textDataId : kTextDataNone; } TextColor ThemeEngine::getTextColor(DrawData ddId) const { return _widgets[ddId] ? _widgets[ddId]->_textColorId : kTextColorMAX; } DrawData ThemeEngine::parseDrawDataId(const Common::String &name) const { for (int i = 0; i < kDrawDataMAX; ++i) if (name.compareToIgnoreCase(kDrawDataDefaults[i].name) == 0) return kDrawDataDefaults[i].id; return kDDNone; } /********************************************************** * External data loading *********************************************************/ const Graphics::Font *ThemeEngine::loadScalableFont(const Common::String &filename, const Common::String &charset, const int pointsize, Common::String &name) { #ifdef USE_FREETYPE2 name = Common::String::format("%s-%s@%d", filename.c_str(), charset.c_str(), pointsize); // Try already loaded fonts. const Graphics::Font *font = FontMan.getFontByName(name); if (font) return font; Common::ArchiveMemberList members; _themeFiles.listMatchingMembers(members, filename); for (Common::ArchiveMemberList::const_iterator i = members.begin(), end = members.end(); i != end; ++i) { Common::SeekableReadStream *stream = (*i)->createReadStream(); if (stream) { font = Graphics::loadTTFFont(*stream, pointsize, Graphics::kTTFSizeModeCharacter, 0, Graphics::kTTFRenderModeLight, #ifdef USE_TRANSLATION TransMan.getCharsetMapping() #else 0 #endif ); delete stream; if (font) return font; } } #endif return 0; } const Graphics::Font *ThemeEngine::loadFont(const Common::String &filename, Common::String &name) { name = filename; // Try already loaded fonts. const Graphics::Font *font = FontMan.getFontByName(name); if (font) return font; Common::ArchiveMemberList members; const Common::String cacheFilename(genCacheFilename(filename)); _themeFiles.listMatchingMembers(members, cacheFilename); _themeFiles.listMatchingMembers(members, filename); for (Common::ArchiveMemberList::const_iterator i = members.begin(), end = members.end(); i != end; ++i) { Common::SeekableReadStream *stream = (*i)->createReadStream(); if (stream) { if ((*i)->getName().equalsIgnoreCase(cacheFilename)) { font = Graphics::BdfFont::loadFromCache(*stream); } else { font = Graphics::BdfFont::loadFont(*stream); if (font && !cacheFilename.empty()) { if (!Graphics::BdfFont::cacheFontData(*(const Graphics::BdfFont *)font, cacheFilename)) warning("Couldn't create cache file for font '%s'", filename.c_str()); } } delete stream; if (font) return font; } } return 0; } const Graphics::Font *ThemeEngine::loadFont(const Common::String &filename, const Common::String &scalableFilename, const Common::String &charset, const int pointsize, const bool makeLocalizedFont) { Common::String fontName; const Graphics::Font *font = 0; // Prefer scalable fonts over non-scalable fonts font = loadScalableFont(scalableFilename, charset, pointsize, fontName); if (!font) font = loadFont(filename, fontName); // If the font is successfully loaded store it in the font manager. if (font) { FontMan.assignFontToName(fontName, font); // If this font should be the new default localized font, we set it up // for that. if (makeLocalizedFont) FontMan.setLocalizedFont(fontName); } return font; } Common::String ThemeEngine::genCacheFilename(const Common::String &filename) const { Common::String cacheName(filename); for (int i = cacheName.size() - 1; i >= 0; --i) { if (cacheName[i] == '.') { while ((uint)i < cacheName.size() - 1) { cacheName.deleteLastChar(); } cacheName += "fcc"; return cacheName; } } return Common::String(); } /********************************************************** * Static Theme XML functions *********************************************************/ bool ThemeEngine::themeConfigParseHeader(Common::String header, Common::String &themeName) { // Check that header is not corrupted if ((byte)header[0] > 127) { warning("Corrupted theme header found"); return false; } header.trim(); if (header.empty()) return false; if (header[0] != '[' || header.lastChar() != ']') return false; header.deleteChar(0); header.deleteLastChar(); Common::StringTokenizer tok(header, ":"); if (tok.nextToken() != SCUMMVM_THEME_VERSION_STR) return false; themeName = tok.nextToken(); Common::String author = tok.nextToken(); return tok.empty(); } bool ThemeEngine::themeConfigUsable(const Common::ArchiveMember &member, Common::String &themeName) { Common::File stream; bool foundHeader = false; if (member.getName().matchString("*.zip", true)) { Common::Archive *zipArchive = Common::makeZipArchive(member.createReadStream()); if (zipArchive && zipArchive->hasFile("THEMERC")) { stream.open("THEMERC", *zipArchive); } delete zipArchive; } if (stream.isOpen()) { Common::String stxHeader = stream.readLine(); foundHeader = themeConfigParseHeader(stxHeader, themeName); } return foundHeader; } bool ThemeEngine::themeConfigUsable(const Common::FSNode &node, Common::String &themeName) { Common::File stream; bool foundHeader = false; if (node.getName().matchString("*.zip", true) && !node.isDirectory()) { Common::Archive *zipArchive = Common::makeZipArchive(node); if (zipArchive && zipArchive->hasFile("THEMERC")) { // Open THEMERC from the ZIP file. stream.open("THEMERC", *zipArchive); } // Delete the ZIP archive again. Note: This only works because // stream.open() only uses ZipArchive::createReadStreamForMember, // and that in turn happens to read all the data for a given // archive member into a memory block. So there will be no dangling // reference to zipArchive anywhere. This could change if we // ever modify ZipArchive::createReadStreamForMember. delete zipArchive; } else if (node.isDirectory()) { Common::FSNode headerfile = node.getChild("THEMERC"); if (!headerfile.exists() || !headerfile.isReadable() || headerfile.isDirectory()) return false; stream.open(headerfile); } if (stream.isOpen()) { Common::String stxHeader = stream.readLine(); foundHeader = themeConfigParseHeader(stxHeader, themeName); } return foundHeader; } namespace { struct TDComparator { const Common::String _id; TDComparator(const Common::String &id) : _id(id) {} bool operator()(const ThemeEngine::ThemeDescriptor &r) { return _id == r.id; } }; } // end of anonymous namespace void ThemeEngine::listUsableThemes(Common::List &list) { #ifndef DISABLE_GUI_BUILTIN_THEME ThemeDescriptor th; th.name = "ScummVM Classic Theme (Builtin Version)"; th.id = "builtin"; th.filename.clear(); list.push_back(th); #endif if (ConfMan.hasKey("themepath")) listUsableThemes(Common::FSNode(ConfMan.get("themepath")), list); listUsableThemes(SearchMan, list); // Now we need to strip all duplicates // TODO: It might not be the best idea to strip duplicates. The user might // have different versions of a specific theme in his paths, thus this code // might show him the wrong version. The problem is we have no ways of checking // a theme version currently. Also since we want to avoid saving the full path // in the config file we can not do any better currently. Common::List output; for (Common::List::const_iterator i = list.begin(); i != list.end(); ++i) { if (Common::find_if(output.begin(), output.end(), TDComparator(i->id)) == output.end()) output.push_back(*i); } list = output; output.clear(); } void ThemeEngine::listUsableThemes(Common::Archive &archive, Common::List &list) { ThemeDescriptor td; Common::ArchiveMemberList fileList; archive.listMatchingMembers(fileList, "*.zip"); for (Common::ArchiveMemberList::iterator i = fileList.begin(); i != fileList.end(); ++i) { td.name.clear(); if (themeConfigUsable(**i, td.name)) { td.filename = (*i)->getName(); td.id = (*i)->getDisplayName(); // If the name of the node object also contains // the ".zip" suffix, we will strip it. if (td.id.matchString("*.zip", true)) { for (int j = 0; j < 4; ++j) td.id.deleteLastChar(); } list.push_back(td); } } fileList.clear(); } void ThemeEngine::listUsableThemes(const Common::FSNode &node, Common::List &list, int depth) { if (!node.exists() || !node.isReadable() || !node.isDirectory()) return; ThemeDescriptor td; // Check whether we point to a valid theme directory. if (themeConfigUsable(node, td.name)) { td.filename = node.getPath(); td.id = node.getName(); list.push_back(td); // A theme directory should never contain any other themes // thus we just return to the caller here. return; } Common::FSList fileList; // Check all files. We need this to find all themes inside ZIP archives. if (!node.getChildren(fileList, Common::FSNode::kListFilesOnly)) return; for (Common::FSList::iterator i = fileList.begin(); i != fileList.end(); ++i) { // We will only process zip files for now if (!i->getPath().matchString("*.zip", true)) continue; td.name.clear(); if (themeConfigUsable(*i, td.name)) { td.filename = i->getPath(); td.id = i->getName(); // If the name of the node object also contains // the ".zip" suffix, we will strip it. if (td.id.matchString("*.zip", true)) { for (int j = 0; j < 4; ++j) td.id.deleteLastChar(); } list.push_back(td); } } fileList.clear(); // Check if we exceeded the given recursion depth if (depth - 1 == -1) return; // As next step we will search all subdirectories if (!node.getChildren(fileList, Common::FSNode::kListDirectoriesOnly)) return; for (Common::FSList::iterator i = fileList.begin(); i != fileList.end(); ++i) listUsableThemes(*i, list, depth == -1 ? - 1 : depth - 1); } Common::String ThemeEngine::getThemeFile(const Common::String &id) { // FIXME: Actually "default" rather sounds like it should use // our default theme which would mean "scummmodern" instead // of the builtin one. if (id.equalsIgnoreCase("default")) return Common::String(); // For our builtin theme we don't have to do anything for now too if (id.equalsIgnoreCase("builtin")) return Common::String(); Common::FSNode node(id); // If the given id is a full path we'll just use it if (node.exists() && (node.isDirectory() || node.getName().matchString("*.zip", true))) return id; // FIXME: // A very ugly hack to map a id to a filename, this will generate // a complete theme list, thus it is slower than it could be. // But it is the easiest solution for now. Common::List list; listUsableThemes(list); for (Common::List::const_iterator i = list.begin(); i != list.end(); ++i) { if (id.equalsIgnoreCase(i->id)) return i->filename; } warning("Could not find theme '%s' falling back to builtin", id.c_str()); // If no matching id has been found we will // just fall back to the builtin theme return Common::String(); } Common::String ThemeEngine::getThemeId(const Common::String &filename) { // If no filename has been given we will initialize the builtin theme if (filename.empty()) return "builtin"; Common::FSNode node(filename); if (!node.exists()) return "builtin"; if (node.getName().matchString("*.zip", true)) { Common::String id = node.getName(); for (int i = 0; i < 4; ++i) id.deleteLastChar(); return id; } else { return node.getName(); } } void ThemeEngine::showCursor() { if (_useCursor) { CursorMan.pushCursorPalette(_cursorPal, 0, _cursorPalSize); CursorMan.pushCursor(_cursor, _cursorWidth, _cursorHeight, _cursorHotspotX, _cursorHotspotY, 255, true); CursorMan.showMouse(true); } } void ThemeEngine::hideCursor() { if (_useCursor) { CursorMan.popCursorPalette(); CursorMan.popCursor(); } } } // End of namespace GUI.