with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+
#include "fontengine.h"
-#include "log.h"
-#include "main.h"
+#include "client/renderingengine.h"
#include "config.h"
#include "porting.h"
-#include "constants.h"
#include "filesys.h"
#if USE_FREETYPE
#include "gettext.h"
-#include "xCGUITTFont.h"
+#include "irrlicht_changes/CGUITTFont.h"
#endif
/** maximum size distance for getting a "similar" font size */
#define MAX_FONT_SIZE_OFFSET 10
/** reference to access font engine, has to be initialized by main */
-FontEngine* glb_fontengine = NULL;
+FontEngine* g_fontengine = NULL;
/** callback to be used on change of font size setting */
-static void font_setting_changed(const std::string) {
- glb_fontengine->readSettings();
+static void font_setting_changed(const std::string &name, void *userdata)
+{
+ g_fontengine->readSettings();
}
/******************************************************************************/
FontEngine::FontEngine(Settings* main_settings, gui::IGUIEnvironment* env) :
m_settings(main_settings),
- m_env(env),
- m_font_cache(),
- m_default_size(),
- m_currentMode(FM_Standard),
- m_lastMode(),
- m_lastSize(0),
- m_lastFont(NULL)
+ m_env(env)
{
- for ( unsigned int i = 0; i < FM_MaxMode; i++) {
- m_default_size[i] = (FontMode) FONT_SIZE_UNSPECIFIED;
+ for (u32 &i : m_default_size) {
+ i = (FontMode) FONT_SIZE_UNSPECIFIED;
}
- assert(m_settings != NULL);
- assert(m_env != NULL);
- assert(m_env->getSkin() != NULL);
+ assert(m_settings != NULL); // pre-condition
+ assert(m_env != NULL); // pre-condition
+ assert(m_env->getSkin() != NULL); // pre-condition
m_currentMode = FM_Simple;
updateSkin();
if (m_currentMode == FM_Standard) {
- m_settings->registerChangedCallback("font_size", font_setting_changed);
- m_settings->registerChangedCallback("font_path", font_setting_changed);
- m_settings->registerChangedCallback("font_shadow", font_setting_changed);
- m_settings->registerChangedCallback("font_shadow_alpha", font_setting_changed);
+ m_settings->registerChangedCallback("font_size", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("font_path", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("font_shadow", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("font_shadow_alpha", font_setting_changed, NULL);
}
else if (m_currentMode == FM_Fallback) {
- m_settings->registerChangedCallback("fallback_font_size", font_setting_changed);
- m_settings->registerChangedCallback("fallback_font_path", font_setting_changed);
- m_settings->registerChangedCallback("fallback_font_shadow", font_setting_changed);
- m_settings->registerChangedCallback("fallback_font_shadow_alpha", font_setting_changed);
+ m_settings->registerChangedCallback("fallback_font_size", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("fallback_font_path", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("fallback_font_shadow", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("fallback_font_shadow_alpha", font_setting_changed, NULL);
}
- m_settings->registerChangedCallback("mono_font_path", font_setting_changed);
- m_settings->registerChangedCallback("mono_font_size", font_setting_changed);
- m_settings->registerChangedCallback("screen_dpi", font_setting_changed);
- m_settings->registerChangedCallback("gui_scaling", font_setting_changed);
+ m_settings->registerChangedCallback("mono_font_path", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("mono_font_size", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("screen_dpi", font_setting_changed, NULL);
+ m_settings->registerChangedCallback("gui_scaling", font_setting_changed, NULL);
}
/******************************************************************************/
/******************************************************************************/
void FontEngine::cleanCache()
{
- for ( unsigned int i = 0; i < FM_MaxMode; i++) {
+ for (auto &font_cache_it : m_font_cache) {
- for (std::map<unsigned int, irr::gui::IGUIFont*>::iterator iter
- = m_font_cache[i].begin();
- iter != m_font_cache[i].end(); iter++) {
- iter->second->drop();
- iter->second = NULL;
+ for (auto &font_it : font_cache_it) {
+ font_it.second->drop();
+ font_it.second = NULL;
}
- m_font_cache[i].clear();
+ font_cache_it.clear();
}
}
if (font == NULL) {
font = m_env->getSkin()->getFont();
}
- assert(font != NULL);
+ FATAL_ERROR_IF(font == NULL, "Could not get skin font");
return font->getDimension(L"Some unimportant example String").Height;
}
if (font == NULL) {
font = m_env->getSkin()->getFont();
}
- assert(font != NULL);
+ FATAL_ERROR_IF(font == NULL, "Could not get font");
return font->getDimension(text.c_str()).Width;
}
if (font == NULL) {
font = m_env->getSkin()->getFont();
}
- assert(font != NULL);
+ FATAL_ERROR_IF(font == NULL, "Could not get font");
return font->getDimension(L"Some unimportant example String").Height
+ font->getKerningHeight();
// If we did fail to create a font our own make irrlicht find a default one
font = m_env->getSkin()->getFont();
- assert(font);
+ FATAL_ERROR_IF(font == NULL, "Could not create/get font");
u32 text_height = font->getDimension(L"Hello, world!").Height;
infostream << "text_height=" << text_height << std::endl;
if (! is_yes(m_settings->get("freetype"))) {
return;
}
- unsigned int size = floor(
- porting::getDisplayDensity() *
- m_settings->getFloat("gui_scaling") *
- basesize);
+ unsigned int size = floor(RenderingEngine::getDisplayDensity() *
+ m_settings->getFloat("gui_scaling") * basesize);
u32 font_shadow = 0;
u32 font_shadow_alpha = 0;
std::string font_path = g_settings->get(font_config_prefix + "font_path");
- if (font_path.substr(font_path.length() -4) != ".ttf") {
- errorstream << "FontEngine: \"" << font_path
- << "\" doesn't seem to be a ttf File." << std::endl;
- return;
- }
-
irr::gui::IGUIFont* font = gui::CGUITTFont::createTTFont(m_env,
font_path.c_str(), size, true, true, font_shadow,
font_shadow_alpha);
- if (font != NULL) {
- font->grab();
+ if (font) {
m_font_cache[mode][basesize] = font;
+ return;
}
- else {
- errorstream << "FontEngine: failed to load freetype font: "
- << font_path << std::endl;
+
+ if (font_config_prefix == "mono_") {
+ const std::string &mono_font_path = m_settings->getDefault("mono_font_path");
+
+ if (font_path != mono_font_path) {
+ // try original mono font
+ errorstream << "FontEngine: failed to load custom mono "
+ "font: " << font_path << ", trying to fall back to "
+ "original mono font" << std::endl;
+
+ font = gui::CGUITTFont::createTTFont(m_env,
+ mono_font_path.c_str(), size, true, true,
+ font_shadow, font_shadow_alpha);
+
+ if (font) {
+ m_font_cache[mode][basesize] = font;
+ return;
+ }
+ }
+ } else {
+ // try fallback font
+ errorstream << "FontEngine: failed to load: " << font_path <<
+ ", trying to fall back to fallback font" << std::endl;
+
+ font_path = g_settings->get(font_config_prefix + "fallback_font_path");
+
+ font = gui::CGUITTFont::createTTFont(m_env,
+ font_path.c_str(), size, true, true, font_shadow,
+ font_shadow_alpha);
+
+ if (font) {
+ m_font_cache[mode][basesize] = font;
+ return;
+ }
+
+ const std::string &fallback_font_path = m_settings->getDefault("fallback_font_path");
+
+ if (font_path != fallback_font_path) {
+ // try original fallback font
+ errorstream << "FontEngine: failed to load custom fallback "
+ "font: " << font_path << ", trying to fall back to "
+ "original fallback font" << std::endl;
+
+ font = gui::CGUITTFont::createTTFont(m_env,
+ fallback_font_path.c_str(), size, true, true,
+ font_shadow, font_shadow_alpha);
+
+ if (font) {
+ m_font_cache[mode][basesize] = font;
+ return;
+ }
+ }
}
+
+ // give up
+ errorstream << "FontEngine: failed to load freetype font: "
+ << font_path << std::endl;
+ errorstream << "minetest can not continue without a valid font. "
+ "Please correct the 'font_path' setting or install the font "
+ "file in the proper location" << std::endl;
+ abort();
}
#endif
}
/** initialize a font without freetype */
void FontEngine::initSimpleFont(unsigned int basesize, FontMode mode)
{
- assert((mode == FM_Simple) || (mode == FM_SimpleMono));
+ assert(mode == FM_Simple || mode == FM_SimpleMono); // pre-condition
- std::string font_path = "";
+ std::string font_path;
if (mode == FM_Simple) {
font_path = m_settings->get("font_path");
} else {
return;
}
- if ((ending == ".xml") || ( ending == ".png")) {
+ if ((ending == ".xml") || (ending == ".png")) {
basename = font_path.substr(0,font_path.length()-4);
}
basesize = DEFAULT_FONT_SIZE;
unsigned int size = floor(
- porting::getDisplayDensity() *
+ RenderingEngine::getDisplayDensity() *
m_settings->getFloat("gui_scaling") *
basesize);
}
}
- if (font != NULL) {
+ if (font) {
font->grab();
m_font_cache[mode][basesize] = font;
}