Irrlicht i18n (Unicode, FreeType, etc.)

[Nalin]

New version of CGUITTFont:

• Fixed a memory leak found by vroad.

[Nalin]

New version of CGUITTFont:

• Fixed a bug where glyphs weren't being allocated correctly. It could lead to crashes on exit.

[hilnius]

Hi
This stuff seems to be great, but it doesn't work on my PC...

i installed everything, files compiles well (on Code::blocks)

but the code

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    CGUITTFont* fontTTF = NULL;
    fontTTF->createTTFont(_environment, "fonts/times.ttf", 20, false, false);
    IGUIFont* font = fontTTF;
    irr::gui::IGUIButton* button = _device->getGUIEnvironment()->addButton(irr::core::rect<irr::s32>(0,0,200,100),0,1,L"salut",L"tooltip");
    button->setOverrideFont(fontTTF);

does not change my button's Font...
I got freetype6.dll, and installed freetype on my computer;

So can you tell me if it is a bug or if i didnt load it in the good way.

Thanks
Hilnius

[Nalin]

EDIT: A few more irrUString changes.

New version of irrUString:

• Fixed a compile error when compiling on GCC 4.5+ with C++0x support.
• Doxygen improvements for irrUString.h.
• Added ustring::toPATH_s() function for returning an io::path string.

Hi
This stuff seems to be great, but it doesn't work on my PC...

i installed everything, files compiles well (on Code::blocks)

but the code

Code: Select all

    CGUITTFont* fontTTF = NULL;
    fontTTF->createTTFont(_environment, "fonts/times.ttf", 20, false, false);
    IGUIFont* font = fontTTF;
    irr::gui::IGUIButton* button = _device->getGUIEnvironment()->addButton(irr::core::rect<irr::s32>(0,0,200,100),0,1,L"salut",L"tooltip");
    button->setOverrideFont(fontTTF);

does not change my button's Font...
I got freetype6.dll, and installed freetype on my computer;

So can you tell me if it is a bug or if i didnt load it in the good way.

Thanks
Hilnius

createTTFont is a static method of the CGUITTFont class. You need to create your font like this:

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CGUITTFont* fontTTF = CGUITTFont::createTTFont(_environment, "fonts/times.ttf", 20, false, false);


[elfuz]

never mind... found the answer already

[SSJ17Vegeta]

Hi,

Having stumbled upon your amazing work, I had been more than happy to test it, as I'm having a string encoding problem in my Irrlicht application.

When using CGUITTFont with hard-coded values, everything works fine in the GUI.

The problem rises when I'm retrieving data from a UTF-8 encoded SQLite3 database. Let's say, for example, that i'm receiving the string for the french translation of the word "scenario", which is : "scénario".

When looking in the debugger, the string I'm receiving ( of type const char* ), looks like that :

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Sc\303\251nario


How can I convert it back to "scénario" using ustring class ? (Or any other method).

I've tried the following :

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const char* initial = q.fieldValue("trad_label"); // the initial string
const uchar8_t* transtyped = (uchar8_t*) initial;
ustring test(transtyped);
stringw otherTest = test.toUTF8_s();
stringw anotherTest = test.toWCHAR_s();


Neither toUTF8_s() or toWCHAR_s() gave me the solution.

Thanks in advance for your help

[Nalin]

The problem rises when I'm retrieving data from a UTF-8 encoded SQLite3 database. Let's say, for example, that i'm receiving the string for the french translation of the word "scenario", which is : "scénario".

When looking in the debugger, the string I'm receiving ( of type const char* ), looks like that :

Code: Select all

Sc\303\251nario


That isn't a properly encoded UTF-8 string at all. It looks like it was returned as an unescaped string. This is how the é is encoded in UTF-8: http://www.fileformat.info/info/unicode ... /index.htm

It seems like either you aren't putting proper UTF-8 strings into your database, or you aren't retrieving them as UTF-8 strings. I just searched for information on UTF-8 and sqlite3, and it does seem that people have problems with it. You may want to look there.

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stringw otherTest = test.toUTF8_s();


Be careful not to do that. toUTF8_s() returns a core::stringc. If you put it into a core::stringw, it will break the string.

[SSJ17Vegeta]

Hi, and thanks for the tip

Currently looking for more information about that, it seems that sqlite3returns unescaped characters because they are interpreted as binary.

[Nalin]

New version of irrUString:

• Fixed a regression introduced with the GCC 4.5+ fixes in the last release.

[EvIl_DeViL]

hi, I regret to say I got this error when i run the project:
Unhandled exception at 0x1019a1fd in IrrTrueTypeTest.exe: 0xC0000005: Access violation reading location 0xffffffff.
on line

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guienv->addStaticText(L"Hello World! This is the Irrlicht Software renderer!", rect<s32>(10,10,260,22), true);

if I comment out the following line

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if(tt_font)
   skin->setFont(tt_font);


the font isn't applied so the program doesn't crash.
I post below my whole code so if it's correct anyone can copy it and have a quick response and know if everything work.

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#include <irrlicht.h>
#include "CGUITTFont.h"

using namespace irr;
using namespace core;
using namespace scene;
using namespace video;
using namespace io;
using namespace gui;

#ifdef _IRR_WINDOWS_
#pragma comment(lib, "Irrlicht.lib")
#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
#endif

int main()
{
   IrrlichtDevice *device = createDevice( video::EDT_SOFTWARE, dimension2d<u32>(640, 480), 16, false, false, false, 0);
   if (!device)
      return 1;
   device->setWindowCaption(L"Hello World! - Irrlicht Engine Demo");
   IVideoDriver* driver = device->getVideoDriver();
   ISceneManager* smgr = device->getSceneManager();
   IGUIEnvironment* guienv = device->getGUIEnvironment();
   gui::CGUITTFont* tt_font = gui::CGUITTFont::createTTFont(guienv, "comic.ttf", 14, true, false);
   gui::IGUISkin* skin = guienv->getSkin();
   if(tt_font)
      skin->setFont(tt_font);
   guienv->addStaticText(L"Hello World! This is the Irrlicht Software renderer!", rect<s32>(10,10,260,22), true);
   smgr->addCameraSceneNode(0, vector3df(0,30,-40), vector3df(0,5,0));
   while(device->run())
   {
      driver->beginScene(true, true, SColor(255,100,101,140));
      smgr->drawAll();
      guienv->drawAll();
      driver->endScene();
   }
   device->drop();

   return 0;
}


the CGUITTFont version I got is the actual one in the first post (I think is the last).
thanks for the support!

[EvIl_DeViL]

ok figured out myself... it conflicts with acki's irrExtensions in fact I tried to use original irrlicht version and it doesn't crash!
maybe for his still existing "getFont" system
I hope to be helpful for someone!

[Nalin]

Thanks for reporting the issue. I've added a warning note to the OP. I also updated the patches to apply to 1.7.2 and to the latest trunk.

[Nalin]

New version of ustring:

• STL compatible iterator. It can be disabled with a #define.
• Fixed a corruption issue that afflicted UTF-8 and UTF-32 parsing.

I also updated CGUITTFont to work with the latest trunk.

As an example of the new iterator:

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core::ustring test("This is a test \xEF\xBF\xBD okay?");
test += 10400;

// Returns 3.
int s_count = std::count(test.begin(), test.end(), 's');

// Returns 2.
int non_ascii_count = std::count_if(test.begin(), test.end(), [](uchar32_t val) -> uchar32_t { return val > 127; });


[Nalin]

New version of ustring:

• Renamed USTRING_NO_STL_COMPATIBLE_ITERATOR to USTRING_NO_STL.
• Added a constructor for constructing from a std::basic_string.
• Added a constructor for constructing from an iterator.
• Added operator+ methods for appending a ustring with an Irrlicht string.
• Added operator+ methods for appending a ustring with a std::basic_string.
• Fixed some possible heap corruption bugs.

[zillion42]

could I do square roots huge brackets greek alphabet and such things with this ?