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https://github.com/minetest/irrlicht.git
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8310a3fbad
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
494 lines
16 KiB
C++
494 lines
16 KiB
C++
/*
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Tool for creating Irrlicht bitmap+vector fonts,
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started by Gaz Davidson in December 2006
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Due to my laziness and Microsoft's unintuitive API, surrogate pairs and
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nonspacing diacritical marks are not supported!
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Linux bitmap font support added by Neil Burlock Oct 2008
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Note: Xft/Freetype2 is used to render the fonts under X11. Anti-aliasing
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is controlled by the system and cannot be overriden by an application,
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so fonts that are rendered will be aliased or anti-aliased depending
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on the system that they are created on.
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*/
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#include <irrlicht.h>
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#include <iostream>
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#include "CFontTool.h"
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#include "CVectorFontTool.h"
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#include "ITexture.h"
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using namespace irr;
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using namespace gui;
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#pragma comment(lib, "Irrlicht.lib")
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const s32 texturesizes[] = {128, 256, 512, 1024, 2048, 4096, 0};
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const wchar_t *fileformats[] = { L"bmp", L"ppm", 0 }; // bitmap font formats
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const wchar_t *alphafileformats[] = { L"png", L"tga", 0 }; // bitmap font formats which support alpha channels
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const wchar_t *vectorfileformats[] = { L"xml", L"bin", 0 }; // file formats for vector fonts
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const wchar_t *warntext = L"Legal Notice\n"
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L"------------\n\n"
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L"When making bitmap and vector fonts, you should consider the potential legal "
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L"issues with redistributing the fonts with your software; this tool basically "
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L"copies font data and some authors might not like this!\n"
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L"If you purchased fonts or they came with an application or your OS, you'll have"
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L"to check the license to see what restrictions are placed on making derivative works.\n\n"
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L"PD and the OFL\n"
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L"--------------\n\n"
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L"You'll find lots of fonts on the web listed as Public Domain, you can do what you like "
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L"with these.\n"
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L"Many fonts are released under the Open Font License, which is a 'viral' open source "
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L"license like the GPL. It's worth reading the license here: http://scripts.sil.org/OFL\n"
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L"The most important restrictions are- you must include the original font's license, you "
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L"can't stop your users from using or distributing the font, the font must have a "
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L"different name the original.\n\n"
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L"Some free fonts can be found here- www.openfontlibrary.org\n"
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L"http://savannah.nongnu.org/projects/freefont/";
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const wchar_t *helptext = L"This tool creates bitmap fonts for the Irrlicht Engine\n\n"
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L"First select a character encoding from the list, then choose the font, "
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L"size, and whether you'd like bold, italic, antialiasing and an alpha channel. "
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L"In Windows, antialiasing will be ignored for small fonts\n\n"
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L"Then select a texture width and height. If the output exceeds this then more than "
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L"one image will be created. You can use the scrollbar at the top of the screen to "
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L"preview them. Most modern graphics cards will support up to 2048x2048, "
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L"keep in mind that more images means worse performance when drawing text!\n\n"
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L"If you want a vector font rather than a bitmap font, check the vector box. "
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L"Vector fonts are stored in system memory while bitmap fonts are in video ram\n\n"
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L"Click create to preview your font, this may take lots of time and memory "
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L"when making a font with a lot of characters, please be patient!\n\n"
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L"Now you're ready to give your font a name, select a format and click save.\n\n"
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L"To load your font in Irrlicht, simply use env->getFont(\"Myfont.xml\");\n\n"
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L"That's all, have fun :-)";
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#ifdef _IRR_WINDOWS_
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const wchar_t *completeText = L"Font created";
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#else
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const wchar_t *completeText = L"Font created\n\n"
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L"Please note that anti-aliasing under X11 is controlled by the system "
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L"configuration, so if your system is set to use anti-aliasing, then so "
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L"will any fonts you create with FontTool";
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#endif
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enum MYGUI
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{
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MYGUI_CHARSET = 100,
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MYGUI_FONTNAME,
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MYGUI_SIZE,
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MYGUI_TEXWIDTH,
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MYGUI_TEXHEIGHT,
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MYGUI_BOLD,
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MYGUI_ITALIC,
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MYGUI_ANTIALIAS,
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MYGUI_ALPHA,
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MYGUI_VECTOR,
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MYGUI_FILENAME,
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MYGUI_FORMAT,
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MYGUI_CREATE,
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MYGUI_SAVE,
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MYGUI_IMAGE,
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MYGUI_CURRENTIMAGE,
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MYGUI_HELPBUTTON
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};
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// event reciever
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class MyEventReceiver : public IEventReceiver
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{
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public:
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MyEventReceiver(IrrlichtDevice* device, CFontTool*& fonttool, CVectorFontTool* &vectool) :
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Device(device), FontTool(fonttool), VecTool(vectool)
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{
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device->setEventReceiver(this);
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}
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virtual bool OnEvent(const SEvent &event)
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{
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if (event.EventType == EET_GUI_EVENT)
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{
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s32 id = event.GUIEvent.Caller->getID();
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IGUIEnvironment* env = Device->getGUIEnvironment();
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switch(event.GUIEvent.EventType)
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{
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case EGET_SCROLL_BAR_CHANGED:
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if (id == MYGUI_CURRENTIMAGE)
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{
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IGUIImage* img = (IGUIImage*)env->getRootGUIElement()->getElementFromId(MYGUI_IMAGE,true);
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s32 i = ((IGUIScrollBar*)event.GUIEvent.Caller)->getPos();
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img->setImage(FontTool->currentTextures[i]);
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return true;
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}
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break;
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case EGET_COMBO_BOX_CHANGED:
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if (id == MYGUI_CHARSET)
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{
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IGUIComboBox* cbo = (IGUIComboBox*)event.GUIEvent.Caller;
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FontTool->selectCharSet(cbo->getSelected());
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// rebuild font list
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cbo = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_FONTNAME,true);
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cbo->clear();
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for (u32 i=0; i < FontTool->FontNames.size(); ++i)
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cbo->addItem(FontTool->FontNames[i].c_str());
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return true;
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}
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break;
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case EGET_CHECKBOX_CHANGED:
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if (id == MYGUI_VECTOR)
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{
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IGUICheckBox* chk = (IGUICheckBox*)event.GUIEvent.Caller;
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IGUIComboBox *cbo = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_FORMAT,true);
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cbo->clear();
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if (chk->isChecked() && VecTool)
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{
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// vector formats
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for (s32 i=0; fileformats[i] != 0; ++i)
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cbo->addItem( core::stringw(vectorfileformats[i]).c_str());
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}
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else
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{
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// bitmap formats
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if (!FontTool->UseAlphaChannel)
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{
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// add non-alpha formats
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for (s32 i=0; fileformats[i] != 0; ++i)
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cbo->addItem( core::stringw(fileformats[i]).c_str());
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}
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// add formats which support alpha
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for (s32 i=0; alphafileformats[i] != 0; ++i)
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cbo->addItem( core::stringw(alphafileformats[i]).c_str());
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}
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}
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break;
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case EGET_BUTTON_CLICKED:
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if (id == MYGUI_CREATE)
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{
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// create the font with the params
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IGUIComboBox* cbo = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_CHARSET, true);
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int charset = cbo->getSelected();
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cbo = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_FONTNAME,true);
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int fontname = cbo->getSelected();
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cbo = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_SIZE,true);
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int fontsize = cbo->getSelected();
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cbo = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_TEXWIDTH,true);
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int texwidth = cbo->getSelected();
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cbo = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_TEXHEIGHT,true);
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int texheight = cbo->getSelected();
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IGUICheckBox* chk = (IGUICheckBox*)env->getRootGUIElement()->getElementFromId(MYGUI_BOLD,true);
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bool bold = chk->isChecked();
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chk = (IGUICheckBox*)env->getRootGUIElement()->getElementFromId(MYGUI_ITALIC,true);
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bool italic = chk->isChecked();
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chk = (IGUICheckBox*)env->getRootGUIElement()->getElementFromId(MYGUI_ALPHA,true);
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bool alpha = chk->isChecked();
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chk = (IGUICheckBox*)env->getRootGUIElement()->getElementFromId(MYGUI_ANTIALIAS,true);
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bool aa = chk->isChecked();
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// vector fonts disabled
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//chk = (IGUICheckBox*)env->getRootGUIElement()->getElementFromId(MYGUI_VECTOR,true);
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bool vec = false;//chk->isChecked();
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FontTool->makeBitmapFont(fontname, charset, FontTool->FontSizes[fontsize], texturesizes[texwidth], texturesizes[texheight], bold, italic, aa, alpha);
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IGUIScrollBar* scrl = (IGUIScrollBar*)env->getRootGUIElement()->getElementFromId(MYGUI_CURRENTIMAGE,true);
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scrl->setMax(FontTool->currentTextures.size() == 0 ? 0 : FontTool->currentTextures.size()-1);
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if (FontTool->currentTextures.size() > 0)
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{
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IGUIImage* img = (IGUIImage*)env->getRootGUIElement()->getElementFromId(MYGUI_IMAGE,true);
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img->setImage(FontTool->currentTextures[0]);
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scrl->setPos(0);
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}
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// make sure users pick a file format that supports alpha channel
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cbo = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_FORMAT,true);
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cbo->clear();
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if (vec)
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{
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// add vector formats
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for (s32 i=0; fileformats[i] != 0; ++i)
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cbo->addItem( core::stringw(vectorfileformats[i]).c_str());
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}
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else
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{
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if (!alpha)
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{
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// add non-alpha formats
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for (s32 i=0; fileformats[i] != 0; ++i)
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cbo->addItem( core::stringw(fileformats[i]).c_str());
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}
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// add formats which support alpha
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for (s32 i=0; alphafileformats[i] != 0; ++i)
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cbo->addItem( core::stringw(alphafileformats[i]).c_str());
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}
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if (VecTool)
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{
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delete VecTool;
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VecTool = 0;
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}
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if (vec)
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{
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VecTool = new CVectorFontTool(FontTool);
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}
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/* Message box letting the user know the process is complete */
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env->addMessageBox(L"Create", completeText);
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return true;
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}
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if (id == MYGUI_SAVE)
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{
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IGUIEditBox *edt = (IGUIEditBox*)env->getRootGUIElement()->getElementFromId(MYGUI_FILENAME,true);
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core::stringc name = edt->getText();
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IGUIComboBox *fmt = (IGUIComboBox*)env->getRootGUIElement()->getElementFromId(MYGUI_FORMAT,true);
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core::stringc format = fmt->getItem(fmt->getSelected());
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// vector fonts disabled
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IGUICheckBox *chk = (IGUICheckBox*)env->getRootGUIElement()->getElementFromId(MYGUI_VECTOR,true);
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bool vec = false; // chk->isChecked();
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if (vec && VecTool)
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VecTool->saveVectorFont(name.c_str(), format.c_str());
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else
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FontTool->saveBitmapFont(name.c_str(), format.c_str());
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return true;
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}
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if (id == MYGUI_HELPBUTTON)
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{
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env->addMessageBox(L"Irrlicht Unicode Font Tool", helptext);
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return true;
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}
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break;
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}
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}
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return false;
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}
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IrrlichtDevice* Device;
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CFontTool* FontTool;
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CVectorFontTool* VecTool;
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};
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void createGUI(IrrlichtDevice* device, CFontTool* fc)
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{
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gui::IGUIEnvironment *env = device->getGUIEnvironment();
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// change transparency of skin
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for (s32 i=0; i<gui::EGDC_COUNT ; ++i)
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{
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video::SColor col = env->getSkin()->getColor((gui::EGUI_DEFAULT_COLOR)i);
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col.setAlpha(255);
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env->getSkin()->setColor((gui::EGUI_DEFAULT_COLOR)i, col);
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}
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IGUIWindow *win = env->addWindow( core::rect<s32>(10,10,200,500), false, L"Font Creator");
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win->getCloseButton()->setVisible(false);
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s32 xs=10,xp=xs, yp=30, h=20;
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env->addStaticText(L"Charset", core::rect<s32>(xp,yp,50,yp+h),false,false, win);
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xp+=60;
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// charset combo
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gui::IGUIComboBox* cbo = env->addComboBox( core::rect<s32>(xp,yp,180,yp+h),win, MYGUI_CHARSET);
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for (u32 i=0; i < fc->CharSets.size(); ++i)
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cbo->addItem(fc->CharSets[i].c_str());
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yp += (s32)(h*1.5f);
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xp = xs;
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env->addStaticText(L"Font", core::rect<s32>(xp,yp,50,yp+h),false,false, win);
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xp+=60;
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// font name combo
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cbo = env->addComboBox( core::rect<s32>(xp,yp,180,yp+h),win, MYGUI_FONTNAME);
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for (u32 i=0; i < fc->FontNames.size(); ++i)
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cbo->addItem(fc->FontNames[i].c_str());
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yp += (s32)(h*1.5f);
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xp = xs;
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env->addStaticText(L"Size", core::rect<s32>(xp,yp,50,yp+h),false,false, win);
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xp += 60;
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// font size combo
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cbo = env->addComboBox( core::rect<s32>(xp,yp,xp+50,yp+h),win, MYGUI_SIZE);
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for (s32 i=0; fc->FontSizes[i] != 0; ++i)
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cbo->addItem( ((core::stringw(fc->FontSizes[i])) + L"px").c_str());
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xp = xs;
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yp += (s32)(h*1.5f);
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// bold checkbox
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env->addCheckBox(false, core::rect<s32>(xp,yp,xp+50,yp+h),win, MYGUI_BOLD, L"Bold");
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xp += 45;
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// italic checkbox
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env->addCheckBox(false, core::rect<s32>(xp,yp,xp+50,yp+h),win, MYGUI_ITALIC, L"Italic");
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xp += 45;
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// AA checkbox
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env->addCheckBox(false, core::rect<s32>(xp,yp,xp+50,yp+h),win, MYGUI_ANTIALIAS, L"AA");
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xp +=40;
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// Alpha checkbox
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env->addCheckBox(false, core::rect<s32>(xp,yp,xp+50,yp+h),win, MYGUI_ALPHA, L"Alpha");
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xp = xs;
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yp += (s32)(h*1.5f);
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/*
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// vector fonts can't be loaded yet
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env->addCheckBox(false, core::rect<s32>(xp,yp,xp+200,yp+h),win, MYGUI_VECTOR, L"Vector Font");
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*/
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yp += (s32)(h*1.5f);
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env->addStaticText(L"Max Width:", core::rect<s32>(xp,yp,50,yp+h),false,false, win);
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xp += 60;
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// texture widths
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cbo = env->addComboBox( core::rect<s32>(xp,yp,xp+70,yp+h),win, MYGUI_TEXWIDTH);
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for (s32 i=0; texturesizes[i] != 0; ++i)
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cbo->addItem( ((core::stringw(texturesizes[i])) + L" wide").c_str());
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xp=xs;
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yp += (s32)(h*1.5f);
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env->addStaticText(L"Max Height:", core::rect<s32>(xp,yp,60,yp+h),false,false, win);
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xp += 60;
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// texture height
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cbo = env->addComboBox( core::rect<s32>(xp,yp,xp+70,yp+h),win, MYGUI_TEXHEIGHT);
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for (s32 i=0; texturesizes[i] != 0; ++i)
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cbo->addItem( ((core::stringw(texturesizes[i])) + L" tall").c_str());
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// file name
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xp = xs;
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yp += (s32)(h*1.5f);
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env->addStaticText(L"Filename", core::rect<s32>(xp,yp,60,yp+h),false,false, win);
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xp += 60;
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env->addEditBox(L"myfont",core::rect<s32>(xp,yp,xp+70,yp+h), true, win, MYGUI_FILENAME);
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// file format
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xp = xs;
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yp += (s32)(h*1.5f);
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env->addStaticText(L"File Format", core::rect<s32>(xp,yp,60,yp+h),false,false, win);
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xp += 60;
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cbo = env->addComboBox( core::rect<s32>(xp,yp,xp+70,yp+h),win, MYGUI_FORMAT);
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for (s32 i=0; fileformats[i] != 0; ++i)
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cbo->addItem( core::stringw(fileformats[i]).c_str());
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for (s32 i=0; alphafileformats[i] != 0; ++i)
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cbo->addItem( core::stringw(alphafileformats[i]).c_str());
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xp = xs;
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yp += h*2;
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// create button
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env->addButton( core::rect<s32>(xp,yp,xp+50,yp+h),win, MYGUI_CREATE, L"Create");
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xp += 60;
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// save button
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env->addButton( core::rect<s32>(xp,yp,xp+50,yp+h),win, MYGUI_SAVE, L"Save");
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xp += 60;
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// help button
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env->addButton( core::rect<s32>(xp,yp,xp+50,yp+h),win, MYGUI_HELPBUTTON, L"Help");
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// font image
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gui::IGUIImage *img = env->addImage(0, core::position2d<s32>(0,0), true,0, MYGUI_IMAGE);
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img->setRelativePosition(core::rect<s32>(0,20,800,600));
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// font scrollbar
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IGUIScrollBar *scrl= env->addScrollBar(true,core::rect<s32>(0,0,800,20),0, MYGUI_CURRENTIMAGE);
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scrl->setMax(0);
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scrl->setSmallStep(1);
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yp += h*3;
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env->getRootGUIElement()->bringToFront(win);
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win->setRelativePosition( core::rect<s32>(10,10,200,yp));
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}
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int main()
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{
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IrrlichtDevice* device =createDevice(video::EDT_OPENGL, core::dimension2du(800, 600));
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video::IVideoDriver* driver = device->getVideoDriver();
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scene::ISceneManager* smgr = device->getSceneManager();
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gui::IGUIEnvironment *env = device->getGUIEnvironment();
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// create font tool
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CFontTool *fc = new CFontTool(device);
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CVectorFontTool *vc = 0;
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IEventReceiver *events = new MyEventReceiver(device,fc,vc);
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createGUI(device, fc);
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while(device->run())
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{
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if (device->isWindowActive())
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{
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driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(0,200,200,200));
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smgr->drawAll();
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env->drawAll();
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driver->endScene();
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}
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}
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// drop the font tool and resources
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fc->drop();
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device->drop();
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return 0;
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}
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