Merge pull request #8130 from volzhs/cache-font-master

Cache DynamicFont resource for Android
This commit is contained in:
Rémi Verschelde 2017-03-24 22:52:36 +01:00 committed by GitHub
commit 397380e9e5
2 changed files with 26 additions and 1 deletions

View file

@ -29,6 +29,7 @@
#ifdef FREETYPE_ENABLED
#include "dynamic_font.h"
#include "os/file_access.h"
#include "os/os.h"
bool DynamicFontData::CacheID::operator<(CacheID right) const {
@ -98,6 +99,7 @@ DynamicFontData::~DynamicFontData() {
}
////////////////////
HashMap<String, Vector<uint8_t> > DynamicFontAtSize::_fontdata;
Error DynamicFontAtSize::_load() {
@ -106,7 +108,29 @@ Error DynamicFontAtSize::_load() {
ERR_EXPLAIN(TTR("Error initializing FreeType."));
ERR_FAIL_COND_V(error != 0, ERR_CANT_CREATE);
if (font->font_path != String()) {
// FT_OPEN_STREAM is extremely slow only on Android.
if (OS::get_singleton()->get_name() == "Android" && font->font_mem == NULL && font->font_path != String()) {
// cache font only once for each font->font_path
if (_fontdata.has(font->font_path)) {
font->set_font_ptr(_fontdata[font->font_path].ptr(), _fontdata[font->font_path].size());
} else {
FileAccess *f = FileAccess::open(font->font_path, FileAccess::READ);
ERR_FAIL_COND_V(!f, ERR_CANT_OPEN);
size_t len = f->get_len();
_fontdata[font->font_path] = Vector<uint8_t>();
Vector<uint8_t> &fontdata = _fontdata[font->font_path];
fontdata.resize(len);
f->get_buffer(fontdata.ptr(), len);
font->set_font_ptr(fontdata.ptr(), len);
f->close();
}
}
if (font->font_mem == NULL && font->font_path != String()) {
FileAccess *f = FileAccess::open(font->font_path, FileAccess::READ);
ERR_FAIL_COND_V(!f, ERR_CANT_OPEN);

View file

@ -141,6 +141,7 @@ class DynamicFontAtSize : public Reference {
Ref<DynamicFontData> font;
DynamicFontData::CacheID id;
static HashMap<String, Vector<uint8_t> > _fontdata;
Error _load();
protected: