*/
#include "fontengine.h"
#include "log.h"
-#include "main.h"
#include "config.h"
#include "porting.h"
#include "constants.h"
FontEngine* g_fontengine = NULL;
/** callback to be used on change of font size setting */
-static void font_setting_changed(const std::string) {
+static void font_setting_changed(const std::string &name, void *userdata)
+{
g_fontengine->readSettings();
}
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);
}
/******************************************************************************/
for (std::map<unsigned int, irr::gui::IGUIFont*>::iterator iter
= m_font_cache[i].begin();
- iter != m_font_cache[i].end(); iter++) {
+ iter != m_font_cache[i].end(); ++iter) {
iter->second->drop();
iter->second = NULL;
}
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;
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) {
m_font_cache[mode][basesize] = font;
+ return;
}
- else {
- errorstream << "FontEngine: failed to load freetype font: "
- << font_path << std::endl;
+
+ // 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 != NULL) {
+ 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 = "";
if (mode == FM_Simple) {
return;
}
- if ((ending == ".xml") || ( ending == ".png")) {
+ if ((ending == ".xml") || (ending == ".png")) {
basename = font_path.substr(0,font_path.length()-4);
}