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https://port.numenaute.org/aleajactaest/khanat-code-old.git
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375 lines
9.6 KiB
C++
375 lines
9.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "std3d.h"
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#include <map>
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#include "nel/3d/texture_font.h"
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#include "nel/3d/font_generator.h"
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#include "nel/misc/common.h"
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#include "nel/misc/rect.h"
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#include "nel/misc/file.h"
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using namespace std;
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using namespace NLMISC;
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namespace NL3D
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{
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// Config 1
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const int TextureSizeX = 1024;
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const int TextureSizeY = 1024; // If change this value -> change NbLine too
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const int Categories[TEXTUREFONT_NBCATEGORY] = { 8, 16, 24, 32, 64 };
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const int NbLine[TEXTUREFONT_NBCATEGORY] = { 8, 24, 16, 4, 1 }; // Based on textsize
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/*
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const int TextureSizeX = 256;
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const int TextureSizeY = 256;
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const int Categories[TEXTUREFONT_NBCATEGORY] = { 8, 16, 24, 32 };
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const int NbLine[TEXTUREFONT_NBCATEGORY] = { 4, 6, 4, 1 }; // Based on textsize
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*/
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// ---------------------------------------------------------------------------
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inline uint32 CTextureFont::SLetterKey::getVal()
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{
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if (FontGenerator == NULL)
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return Char + ((Size&255)<<16);
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else
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return Char + ((Size&255)<<16) + ((FontGenerator->getUID()&0xFF)<<24);
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}
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// ---------------------------------------------------------------------------
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CTextureFont::CTextureFont()
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{
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uint i;
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setFilterMode (ITexture::Linear, ITexture::LinearMipMapOff);
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setWrapS (ITexture::Repeat);
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setWrapT (ITexture::Repeat);
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setUploadFormat (Alpha);
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setReleasable (false);
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resize (TextureSizeX, TextureSizeY, CBitmap::Alpha);
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for(i = 0; i < TextureSizeX*TextureSizeY; ++i)
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getPixels()[i] = 0;
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// convertToType (CBitmap::Alpha);
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sint posY = 0;
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for(i = 0; i < TEXTUREFONT_NBCATEGORY; ++i)
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{
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// Number of chars per cache
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Letters[i].resize ((TextureSizeX/Categories[i])*NbLine[i]);
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for(uint32 j = 0; j < Letters[i].size(); ++j)
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{
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SLetterInfo &rLetter = Letters[i][j];
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rLetter.Char = 0xffff;
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rLetter.FontGenerator = NULL;
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rLetter.Size= 0;
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// The less recently used infos
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if (j < Letters[i].size()-1)
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rLetter.Next = &Letters[i][j+1];
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else
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rLetter.Next = NULL;
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if (j > 0)
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rLetter.Prev = &Letters[i][j-1];
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else
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rLetter.Prev = NULL;
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rLetter.Cat = i;
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sint sizeX = TextureSizeX/Categories[i];
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rLetter.U = (Categories[i]*(j%sizeX)) / ((float)TextureSizeX);
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rLetter.V = (posY + Categories[i]*((sint)(j/sizeX))) / ((float)TextureSizeY);
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/////////////////////////////////////////////////
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rLetter.CharWidth = rLetter.CharHeight = 0;
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rLetter.GlyphIndex = rLetter.Top = rLetter.Left = rLetter.AdvX = 0;
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}
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Front[i] = &Letters[i][0];
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Back[i] = &Letters[i][Letters[i].size()-1];
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posY += NbLine[i] * Categories[i];
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}
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}
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CTextureFont::~CTextureFont()
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{
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}
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// ---------------------------------------------------------------------------
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void CTextureFont::dumpTextureFont(const char *filename)
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{
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CBitmap b;
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COFile f( filename );
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b.resize (TextureSizeX, TextureSizeY, CBitmap::RGBA);
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CObjectVector<uint8>&bits = b.getPixels();
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CObjectVector<uint8>&src = getPixels();
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for (uint i = 0; i < (TextureSizeX*TextureSizeY); ++i)
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{
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bits[i*4+0] = bits[i*4+1] = bits[i*4+2] = bits[i*4+3] = src[i];
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}
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b.writeTGA (f, 32);
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}
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// ---------------------------------------------------------------------------
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// cat : categories where the letter is
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// x : pos x of the letter
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// y : pos y of the letter
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void CTextureFont::rebuildLetter (sint cat, sint x, sint y)
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{
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sint sizex = TextureSizeX / Categories[cat];
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sint index = x + y*sizex;
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SLetterInfo &rLetter = Letters[cat][index];
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if (rLetter.FontGenerator == NULL)
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return;
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sint catTopY = 0;
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sint c = 0;
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while (c < cat)
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{
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catTopY += NbLine[c] * Categories[c];
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++c;
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}
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// Destination position in pixel of the letter
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sint posx = x * Categories[cat];
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sint posy = catTopY + y * Categories[cat];
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uint32 pitch = 0;
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uint8 *bitmap = rLetter.FontGenerator->getBitmap ( rLetter.Char, rLetter.Size,
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rLetter.CharWidth, rLetter.CharHeight,
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pitch, rLetter.Left, rLetter.Top,
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rLetter.AdvX, rLetter.GlyphIndex );
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// Copy FreeType buffer
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uint i;
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for (i = 0; i < rLetter.CharHeight; ++i)
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{
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uint8 *pDst = &_Data[0][posx + (posy+i)*TextureSizeY];
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uint8 *pSrc = &bitmap[i*pitch];
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for (uint j = 0; j < rLetter.CharWidth; ++j)
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{
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*pDst = *pSrc;
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++pDst;
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++pSrc;
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}
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}
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// Black border bottom and right
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for (i = 0; i < rLetter.CharHeight+1; ++i)
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{
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_Data[0][posx + rLetter.CharWidth + (posy+i)*TextureSizeY] = 0;
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}
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for (i = 0; i < rLetter.CharWidth+1; ++i)
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{
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_Data[0][posx + i + (posy+rLetter.CharHeight)*TextureSizeY] = 0;
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}
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/*
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dumpTextureFont (this);
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int a = 5;
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a++;
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*/
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}
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// ---------------------------------------------------------------------------
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void CTextureFont::doGenerate(bool async)
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{
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// Rectangle invalidate ?
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if (_ListInvalidRect.begin()!=_ListInvalidRect.end())
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{
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// Yes, rebuild only those rectangles.
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// For each rectangle to compute
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std::list<NLMISC::CRect>::iterator ite=_ListInvalidRect.begin();
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while (ite!=_ListInvalidRect.end())
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{
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// Compute rectangle coordinates
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sint x = ite->left();
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sint y = ite->bottom();
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// Look in which category is the rectangle
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sint cat = 0;
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sint catTopY = 0;
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sint catBotY = NbLine[cat] * Categories[cat];
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while (y > catBotY)
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{
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if (y < catBotY)
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break;
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++cat;
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nlassert (cat < TEXTUREFONT_NBCATEGORY);
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catTopY = catBotY;
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catBotY += NbLine[cat] * Categories[cat];
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}
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x = x / Categories[cat];
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y = ite->top();
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y = y - catTopY;
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y = y / Categories[cat];
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rebuildLetter (cat, x, y);
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// Next rectangle
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ite++;
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}
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}
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else
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{
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for(int cat = 0; cat < TEXTUREFONT_NBCATEGORY; ++cat)
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{
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sint sizex = TextureSizeX / Categories[cat];
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sint sizey = NbLine[cat];
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for (sint y = 0; y < sizey; y++)
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for (sint x = 0; x < sizex; x++)
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{
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rebuildLetter (cat, x, y);
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}
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}
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}
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/*
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dumpTextureFont (this);
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int a = 5;
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*/
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}
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// ---------------------------------------------------------------------------
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CTextureFont::SLetterInfo* CTextureFont::getLetterInfo (SLetterKey& k)
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{
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sint cat;
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uint32 nTmp = k.getVal();
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map<uint32, SLetterInfo*>::iterator itAccel = Accel.find (nTmp);
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if (itAccel != Accel.end())
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{
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// Put it in the first place
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SLetterInfo *pLetterToMove = itAccel->second;
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cat = pLetterToMove->Cat;
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if (pLetterToMove != Front[cat])
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{
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// unlink
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nlassert(pLetterToMove->Prev);
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pLetterToMove->Prev->Next = pLetterToMove->Next;
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if (pLetterToMove == Back[cat])
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{
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Back[cat] = pLetterToMove->Prev;
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}
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else
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{
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pLetterToMove->Next->Prev = pLetterToMove->Prev;
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}
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// link to front
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pLetterToMove->Prev = NULL;
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pLetterToMove->Next = Front[cat];
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Front[cat]->Prev = pLetterToMove;
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Front[cat] = pLetterToMove;
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}
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return pLetterToMove;
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}
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// The letter is not already present
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// Found the category of the new letter
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uint32 width, height;
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//k.FontGenerator->getSizes (k.Char, k.Size, width, height);
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// \todo mat : Temp !!! Try to use freetype cache
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uint32 nPitch, nGlyphIndex;
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sint32 nLeft, nTop, nAdvX;
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k.FontGenerator->getBitmap (k.Char, k.Size, width, height, nPitch, nLeft, nTop,
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nAdvX, nGlyphIndex );
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// Add 1 pixel space for black border to get correct category
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cat = 0;
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if (((sint)width+1 > Categories[TEXTUREFONT_NBCATEGORY-1]) ||
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((sint)height+1 > Categories[TEXTUREFONT_NBCATEGORY-1]))
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return NULL;
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while (((sint)width+1 > Categories[cat]) || ((sint)height+1 > Categories[cat]))
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{
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++cat;
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nlassert (cat != TEXTUREFONT_NBCATEGORY);
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}
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// And replace the less recently used letter
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SLetterKey k2;
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k2.Char = Back[cat]->Char;
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k2.FontGenerator = Back[cat]->FontGenerator;
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k2.Size = Back[cat]->Size;
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itAccel = Accel.find (k2.getVal());
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if (itAccel != Accel.end())
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{
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Accel.erase (itAccel);
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}
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SLetterInfo *NewBack = Back[cat]->Prev;
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NewBack->Next = NULL;
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Back[cat]->Cat = cat;
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Back[cat]->Char = k.Char;
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Back[cat]->FontGenerator = k.FontGenerator;
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Back[cat]->Size = k.Size;
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Back[cat]->CharWidth = width;
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Back[cat]->CharHeight = height;
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Back[cat]->Top = nTop;
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Back[cat]->Left = nLeft;
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Back[cat]->AdvX = nAdvX;
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Back[cat]->Prev = NULL;
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Back[cat]->Next = Front[cat];
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Front[cat]->Prev = Back[cat];
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Front[cat] = Back[cat];
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Back[cat] = NewBack;
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Accel.insert (map<uint32, SLetterInfo*>::value_type(k.getVal(),Front[cat]));
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// Invalidate the zone
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sint index = (sint)(Front[cat] - &Letters[cat][0]);// / sizeof (SLetterInfo);
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sint sizex = TextureSizeX / Categories[cat];
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sint x = index % sizex;
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sint y = index / sizex;
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x = x * Categories[cat];
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y = y * Categories[cat];
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sint c = 0;
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while (c < cat)
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{
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y = y + NbLine[c] * Categories[c];
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++c;
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}
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// must update the char, WITH the black borders
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CRect r (x, y, width+1, height+1);
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touchRect (r);
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return Front[cat];
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}
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} // NL3D
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