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Move client-specific files to 'src/client' (#7902)
Update Android.mk Remove 'src/client' from include_directories
This commit is contained in:
Quentin Bazin
SmallJoker
parent
ddd9317b73
commit
5f1cd555cd
85 changed files with 187 additions and 116 deletions
505
src/client/fontengine.cpp
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505
src/client/fontengine.cpp
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/*
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Minetest
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Copyright (C) 2010-2014 sapier <sapier at gmx dot net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "fontengine.h"
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#include <cmath>
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#include "client/renderingengine.h"
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#include "config.h"
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#include "porting.h"
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#include "filesys.h"
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#if USE_FREETYPE
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#include "gettext.h"
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#include "irrlicht_changes/CGUITTFont.h"
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#endif
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/** maximum size distance for getting a "similar" font size */
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#define MAX_FONT_SIZE_OFFSET 10
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/** reference to access font engine, has to be initialized by main */
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FontEngine* g_fontengine = NULL;
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/** callback to be used on change of font size setting */
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static void font_setting_changed(const std::string &name, void *userdata)
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{
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g_fontengine->readSettings();
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}
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/******************************************************************************/
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FontEngine::FontEngine(Settings* main_settings, gui::IGUIEnvironment* env) :
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m_settings(main_settings),
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m_env(env)
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{
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for (u32 &i : m_default_size) {
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i = (FontMode) FONT_SIZE_UNSPECIFIED;
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}
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assert(m_settings != NULL); // pre-condition
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assert(m_env != NULL); // pre-condition
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assert(m_env->getSkin() != NULL); // pre-condition
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m_currentMode = FM_Simple;
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#if USE_FREETYPE
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if (g_settings->getBool("freetype")) {
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m_default_size[FM_Standard] = m_settings->getU16("font_size");
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m_default_size[FM_Fallback] = m_settings->getU16("fallback_font_size");
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m_default_size[FM_Mono] = m_settings->getU16("mono_font_size");
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if (is_yes(gettext("needs_fallback_font"))) {
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m_currentMode = FM_Fallback;
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}
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else {
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m_currentMode = FM_Standard;
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}
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}
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// having freetype but not using it is quite a strange case so we need to do
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// special handling for it
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if (m_currentMode == FM_Simple) {
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std::stringstream fontsize;
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fontsize << DEFAULT_FONT_SIZE;
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m_settings->setDefault("font_size", fontsize.str());
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m_settings->setDefault("mono_font_size", fontsize.str());
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}
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#endif
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m_default_size[FM_Simple] = m_settings->getU16("font_size");
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m_default_size[FM_SimpleMono] = m_settings->getU16("mono_font_size");
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updateSkin();
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if (m_currentMode == FM_Standard) {
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m_settings->registerChangedCallback("font_size", font_setting_changed, NULL);
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m_settings->registerChangedCallback("font_path", font_setting_changed, NULL);
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m_settings->registerChangedCallback("font_shadow", font_setting_changed, NULL);
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m_settings->registerChangedCallback("font_shadow_alpha", font_setting_changed, NULL);
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}
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else if (m_currentMode == FM_Fallback) {
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m_settings->registerChangedCallback("fallback_font_size", font_setting_changed, NULL);
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m_settings->registerChangedCallback("fallback_font_path", font_setting_changed, NULL);
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m_settings->registerChangedCallback("fallback_font_shadow", font_setting_changed, NULL);
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m_settings->registerChangedCallback("fallback_font_shadow_alpha", font_setting_changed, NULL);
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}
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m_settings->registerChangedCallback("mono_font_path", font_setting_changed, NULL);
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m_settings->registerChangedCallback("mono_font_size", font_setting_changed, NULL);
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m_settings->registerChangedCallback("screen_dpi", font_setting_changed, NULL);
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m_settings->registerChangedCallback("gui_scaling", font_setting_changed, NULL);
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}
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/******************************************************************************/
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FontEngine::~FontEngine()
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{
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cleanCache();
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}
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/******************************************************************************/
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void FontEngine::cleanCache()
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{
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for (auto &font_cache_it : m_font_cache) {
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for (auto &font_it : font_cache_it) {
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font_it.second->drop();
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font_it.second = NULL;
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}
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font_cache_it.clear();
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}
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}
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/******************************************************************************/
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irr::gui::IGUIFont* FontEngine::getFont(unsigned int font_size, FontMode mode)
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{
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if (mode == FM_Unspecified) {
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mode = m_currentMode;
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}
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else if ((mode == FM_Mono) && (m_currentMode == FM_Simple)) {
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mode = FM_SimpleMono;
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}
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if (font_size == FONT_SIZE_UNSPECIFIED) {
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font_size = m_default_size[mode];
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}
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if ((font_size == m_lastSize) && (mode == m_lastMode)) {
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return m_lastFont;
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}
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if (m_font_cache[mode].find(font_size) == m_font_cache[mode].end()) {
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initFont(font_size, mode);
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}
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if (m_font_cache[mode].find(font_size) == m_font_cache[mode].end()) {
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return NULL;
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}
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m_lastSize = font_size;
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m_lastMode = mode;
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m_lastFont = m_font_cache[mode][font_size];
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return m_font_cache[mode][font_size];
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}
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/******************************************************************************/
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unsigned int FontEngine::getTextHeight(unsigned int font_size, FontMode mode)
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{
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irr::gui::IGUIFont* font = getFont(font_size, mode);
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// use current skin font as fallback
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if (font == NULL) {
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font = m_env->getSkin()->getFont();
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}
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FATAL_ERROR_IF(font == NULL, "Could not get skin font");
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return font->getDimension(L"Some unimportant example String").Height;
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}
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/******************************************************************************/
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unsigned int FontEngine::getTextWidth(const std::wstring& text,
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unsigned int font_size, FontMode mode)
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{
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irr::gui::IGUIFont* font = getFont(font_size, mode);
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// use current skin font as fallback
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if (font == NULL) {
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font = m_env->getSkin()->getFont();
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}
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FATAL_ERROR_IF(font == NULL, "Could not get font");
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return font->getDimension(text.c_str()).Width;
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}
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/** get line height for a specific font (including empty room between lines) */
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unsigned int FontEngine::getLineHeight(unsigned int font_size, FontMode mode)
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{
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irr::gui::IGUIFont* font = getFont(font_size, mode);
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// use current skin font as fallback
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if (font == NULL) {
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font = m_env->getSkin()->getFont();
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}
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FATAL_ERROR_IF(font == NULL, "Could not get font");
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return font->getDimension(L"Some unimportant example String").Height
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+ font->getKerningHeight();
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}
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/******************************************************************************/
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unsigned int FontEngine::getDefaultFontSize()
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{
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return m_default_size[m_currentMode];
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}
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/******************************************************************************/
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void FontEngine::readSettings()
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{
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#if USE_FREETYPE
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if (g_settings->getBool("freetype")) {
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m_default_size[FM_Standard] = m_settings->getU16("font_size");
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m_default_size[FM_Fallback] = m_settings->getU16("fallback_font_size");
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m_default_size[FM_Mono] = m_settings->getU16("mono_font_size");
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if (is_yes(gettext("needs_fallback_font"))) {
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m_currentMode = FM_Fallback;
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}
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else {
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m_currentMode = FM_Standard;
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}
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}
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#endif
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m_default_size[FM_Simple] = m_settings->getU16("font_size");
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m_default_size[FM_SimpleMono] = m_settings->getU16("mono_font_size");
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cleanCache();
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updateFontCache();
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updateSkin();
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}
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/******************************************************************************/
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void FontEngine::updateSkin()
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{
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gui::IGUIFont *font = getFont();
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if (font)
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m_env->getSkin()->setFont(font);
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else
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errorstream << "FontEngine: Default font file: " <<
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"\n\t\"" << m_settings->get("font_path") << "\"" <<
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"\n\trequired for current screen configuration was not found" <<
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" or was invalid file format." <<
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"\n\tUsing irrlicht default font." << std::endl;
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// If we did fail to create a font our own make irrlicht find a default one
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font = m_env->getSkin()->getFont();
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FATAL_ERROR_IF(font == NULL, "Could not create/get font");
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u32 text_height = font->getDimension(L"Hello, world!").Height;
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infostream << "text_height=" << text_height << std::endl;
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}
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/******************************************************************************/
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void FontEngine::updateFontCache()
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{
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/* the only font to be initialized is default one,
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* all others are re-initialized on demand */
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initFont(m_default_size[m_currentMode], m_currentMode);
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/* reset font quick access */
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m_lastMode = FM_Unspecified;
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m_lastSize = 0;
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m_lastFont = NULL;
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}
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/******************************************************************************/
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void FontEngine::initFont(unsigned int basesize, FontMode mode)
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{
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std::string font_config_prefix;
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if (mode == FM_Unspecified) {
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mode = m_currentMode;
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}
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switch (mode) {
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case FM_Standard:
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font_config_prefix = "";
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break;
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case FM_Fallback:
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font_config_prefix = "fallback_";
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break;
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case FM_Mono:
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font_config_prefix = "mono_";
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if (m_currentMode == FM_Simple)
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mode = FM_SimpleMono;
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break;
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case FM_Simple: /* Fallthrough */
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case FM_SimpleMono: /* Fallthrough */
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default:
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font_config_prefix = "";
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}
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if (m_font_cache[mode].find(basesize) != m_font_cache[mode].end())
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return;
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if ((mode == FM_Simple) || (mode == FM_SimpleMono)) {
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initSimpleFont(basesize, mode);
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return;
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}
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#if USE_FREETYPE
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else {
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if (!is_yes(m_settings->get("freetype"))) {
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return;
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}
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u32 size = std::floor(RenderingEngine::getDisplayDensity() *
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m_settings->getFloat("gui_scaling") * basesize);
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u32 font_shadow = 0;
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u32 font_shadow_alpha = 0;
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try {
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font_shadow =
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g_settings->getU16(font_config_prefix + "font_shadow");
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} catch (SettingNotFoundException&) {}
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try {
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font_shadow_alpha =
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g_settings->getU16(font_config_prefix + "font_shadow_alpha");
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} catch (SettingNotFoundException&) {}
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std::string font_path = g_settings->get(font_config_prefix + "font_path");
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irr::gui::IGUIFont* font = gui::CGUITTFont::createTTFont(m_env,
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font_path.c_str(), size, true, true, font_shadow,
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font_shadow_alpha);
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if (font) {
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m_font_cache[mode][basesize] = font;
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return;
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}
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if (font_config_prefix == "mono_") {
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const std::string &mono_font_path = m_settings->getDefault("mono_font_path");
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if (font_path != mono_font_path) {
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// try original mono font
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errorstream << "FontEngine: failed to load custom mono "
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"font: " << font_path << ", trying to fall back to "
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"original mono font" << std::endl;
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font = gui::CGUITTFont::createTTFont(m_env,
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mono_font_path.c_str(), size, true, true,
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font_shadow, font_shadow_alpha);
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if (font) {
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m_font_cache[mode][basesize] = font;
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return;
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}
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}
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} else {
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// try fallback font
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errorstream << "FontEngine: failed to load: " << font_path <<
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", trying to fall back to fallback font" << std::endl;
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font_path = g_settings->get(font_config_prefix + "fallback_font_path");
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font = gui::CGUITTFont::createTTFont(m_env,
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font_path.c_str(), size, true, true, font_shadow,
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font_shadow_alpha);
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if (font) {
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m_font_cache[mode][basesize] = font;
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return;
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}
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const std::string &fallback_font_path = m_settings->getDefault("fallback_font_path");
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if (font_path != fallback_font_path) {
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// try original fallback font
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errorstream << "FontEngine: failed to load custom fallback "
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"font: " << font_path << ", trying to fall back to "
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"original fallback font" << std::endl;
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font = gui::CGUITTFont::createTTFont(m_env,
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fallback_font_path.c_str(), size, true, true,
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font_shadow, font_shadow_alpha);
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if (font) {
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m_font_cache[mode][basesize] = font;
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return;
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}
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}
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}
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// give up
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errorstream << "FontEngine: failed to load freetype font: "
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<< font_path << std::endl;
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errorstream << "minetest can not continue without a valid font. "
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"Please correct the 'font_path' setting or install the font "
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"file in the proper location" << std::endl;
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abort();
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}
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#endif
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}
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/** initialize a font without freetype */
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void FontEngine::initSimpleFont(unsigned int basesize, FontMode mode)
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{
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assert(mode == FM_Simple || mode == FM_SimpleMono); // pre-condition
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std::string font_path;
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if (mode == FM_Simple) {
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font_path = m_settings->get("font_path");
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} else {
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font_path = m_settings->get("mono_font_path");
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}
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std::string basename = font_path;
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std::string ending = font_path.substr(font_path.length() -4);
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if (ending == ".ttf") {
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errorstream << "FontEngine: Not trying to open \"" << font_path
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<< "\" which seems to be a truetype font." << std::endl;
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return;
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}
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if ((ending == ".xml") || (ending == ".png")) {
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basename = font_path.substr(0,font_path.length()-4);
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}
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if (basesize == FONT_SIZE_UNSPECIFIED)
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basesize = DEFAULT_FONT_SIZE;
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u32 size = std::floor(
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RenderingEngine::getDisplayDensity() *
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m_settings->getFloat("gui_scaling") *
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basesize);
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irr::gui::IGUIFont* font = NULL;
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for(unsigned int offset = 0; offset < MAX_FONT_SIZE_OFFSET; offset++) {
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// try opening positive offset
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std::stringstream fontsize_plus_png;
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fontsize_plus_png << basename << "_" << (size + offset) << ".png";
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if (fs::PathExists(fontsize_plus_png.str())) {
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font = m_env->getFont(fontsize_plus_png.str().c_str());
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if (font) {
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verbosestream << "FontEngine: found font: " << fontsize_plus_png.str() << std::endl;
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break;
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}
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}
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std::stringstream fontsize_plus_xml;
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fontsize_plus_xml << basename << "_" << (size + offset) << ".xml";
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if (fs::PathExists(fontsize_plus_xml.str())) {
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font = m_env->getFont(fontsize_plus_xml.str().c_str());
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if (font) {
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verbosestream << "FontEngine: found font: " << fontsize_plus_xml.str() << std::endl;
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break;
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}
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}
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// try negative offset
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std::stringstream fontsize_minus_png;
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fontsize_minus_png << basename << "_" << (size - offset) << ".png";
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if (fs::PathExists(fontsize_minus_png.str())) {
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font = m_env->getFont(fontsize_minus_png.str().c_str());
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if (font) {
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verbosestream << "FontEngine: found font: " << fontsize_minus_png.str() << std::endl;
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break;
|
||||
}
|
||||
}
|
||||
|
||||
std::stringstream fontsize_minus_xml;
|
||||
fontsize_minus_xml << basename << "_" << (size - offset) << ".xml";
|
||||
|
||||
if (fs::PathExists(fontsize_minus_xml.str())) {
|
||||
font = m_env->getFont(fontsize_minus_xml.str().c_str());
|
||||
|
||||
if (font) {
|
||||
verbosestream << "FontEngine: found font: " << fontsize_minus_xml.str() << std::endl;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// try name direct
|
||||
if (font == NULL) {
|
||||
if (fs::PathExists(font_path)) {
|
||||
font = m_env->getFont(font_path.c_str());
|
||||
if (font)
|
||||
verbosestream << "FontEngine: found font: " << font_path << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
if (font) {
|
||||
font->grab();
|
||||
m_font_cache[mode][basesize] = font;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue