Home

nevrax.com

Nevrax.org News Mailing-list Documentation CVS Bugs License

Documentation                       Search   font_manager.cpp Go to the documentation of this file. /* Copyright, 2000 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * NEVRAX NEL is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * You should have received a copy of the GNU General Public License * along with NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #include "std3d.h" #include <string> #include <sstream> #include "3d/font_manager.h" #include "3d/font_generator.h" #include "3d/texture_font.h" #include "3d/computed_string.h" #include "3d/primitive_block.h" #include "3d/material.h" #include "nel/misc/smart_ptr.h" #include "nel/misc/debug.h" #include "nel/misc/file.h" using namespace std; namespace NL3D { /*------------------------------------------------------------------*\ getFontMaterial() \*------------------------------------------------------------------*/ CMaterial* CFontManager::getFontMaterial() { if (_TexFont == NULL) { _TexFont = new CTextureFont; } if (_MatFont == NULL) { _MatFont= new CMaterial; _MatFont->initUnlit(); _MatFont->setSrcBlend(CMaterial::srcalpha); _MatFont->setDstBlend(CMaterial::invsrcalpha); _MatFont->setBlend(true); _MatFont->setTexture(0, _TexFont); _MatFont->texEnvOpRGB(0, CMaterial::Replace); _MatFont->texEnvArg0RGB(0, CMaterial::Diffuse, CMaterial::SrcColor); } return _MatFont; } /* template <class T> static void NL3DcomputeString (CFontManager *fm, const std::basic_string<T> &s, CFontGenerator *fontGen, const NLMISC::CRGBA &color, uint32 fontSize, IDriver *driver, CComputedString &output, bool keep800x600Ratio) { float FontRatio = 1.0; uint32 width, height; output.Color = color; driver->getWindowSize (width, height); if (height > 0) FontRatio = FontRatio / height; // resize fontSize if window not of 800x600. if (keep800x600Ratio) { // keep the 800*600 ratio fontSize = (uint32)floor(fontSize*height/600.f); fontSize = max(fontSize, (uint32)2); } // Setting vertices format output.Vertices.setNumVertices (4 * s.size()); // 1 character <-> 1 primitive block sint32 penx = 0, dx; sint32 penz = 0, dz; float x1, z1, x2, z2; float u1, v1, u2, v2; CMaterial *pMatFont = fm->getFontMaterial(); CTextureFont *pTexFont = (CTextureFont*)(pMatFont->getTexture (0)); float hlfW = 0.5f / pTexFont->getWidth(); float hlfH = 0.5f / pTexFont->getHeight(); float hlfPix = 0.5f; if (height > 0) hlfPix = hlfPix / height; CTextureFont::SLetterKey k; output.StringHeight = 0; uint j = 0; for (uint i = 0; i < s.size(); i++) { // Creating font k.Char = s[i]; k.FontGenerator = fontGen; k.Size = fontSize; CTextureFont::SLetterInfo *pLI = pTexFont->getLetterInfo (k); if(pLI != NULL) { if ((pLI->CharWidth > 0) && (pLI->CharHeight > 0)) { // Creating vertices dx = pLI->Left; dz = -((sint32)pLI->CharHeight-(sint32)(pLI->Top)); u1 = pLI->U - hlfW; v1 = pLI->V - hlfH; u2 = pLI->U + ((float)pLI->CharWidth) / pTexFont->getWidth() + hlfW; v2 = pLI->V + ((float)pLI->CharHeight) / pTexFont->getHeight() + hlfH; x1 = (penx + dx) * FontRatio - hlfPix; z1 = (penz + dz) * FontRatio - hlfPix; x2 = (penx + dx + (sint32)pLI->CharWidth) * FontRatio + hlfPix; z2 = (penz + dz + (sint32)pLI->CharHeight) * FontRatio + hlfPix; output.Vertices.setVertexCoord (j, x1, 0, z1); output.Vertices.setTexCoord (j, 0, u1, v2); ++j; output.Vertices.setVertexCoord (j, x2, 0, z1); output.Vertices.setTexCoord (j, 0, u2, v2); ++j; output.Vertices.setVertexCoord (j, x2, 0, z2); output.Vertices.setTexCoord (j, 0, u2, v1); ++j; output.Vertices.setVertexCoord (j, x1, 0, z2); output.Vertices.setTexCoord (j, 0, u1, v1); ++j; if (z2 > output.StringHeight) output.StringHeight = z2; } penx += pLI->AdvX; } // Building Material output.Material = pMatFont; } output.Vertices.setNumVertices (j); output.StringWidth = penx * FontRatio; } */ static void NL3DcomputeStringChar (CFontManager *fm, const std::basic_string<char> &s, CFontGenerator *fontGen, const NLMISC::CRGBA &color, uint32 fontSize, IDriver *driver, CComputedString &output, bool keep800x600Ratio) { float FontRatio = 1.0; uint32 width, height; output.Color = color; driver->getWindowSize (width, height); if (height > 0) FontRatio = FontRatio / height; // resize fontSize if window not of 800x600. if (keep800x600Ratio) { // keep the 800*600 ratio fontSize = (uint32)floor(fontSize*height/600.f); fontSize = max(fontSize, (uint32)2); } // Setting vertices format output.Vertices.setNumVertices (4 * s.size()); // 1 character <-> 1 primitive block sint32 penx = 0, dx; sint32 penz = 0, dz; float x1, z1, x2, z2; float u1, v1, u2, v2; CMaterial *pMatFont = fm->getFontMaterial(); CTextureFont *pTexFont = (CTextureFont*)(pMatFont->getTexture (0)); float hlfW = 0.5f / pTexFont->getWidth(); float hlfH = 0.5f / pTexFont->getHeight(); float hlfPix = 0.5f; if (height > 0) hlfPix = hlfPix / height; CTextureFont::SLetterKey k; output.StringHeight = 0; uint j = 0; for (uint i = 0; i < s.size(); i++) { // Creating font k.Char = s[i]; k.FontGenerator = fontGen; k.Size = fontSize; CTextureFont::SLetterInfo *pLI = pTexFont->getLetterInfo (k); if(pLI != NULL) { sint32 width = pLI->CharWidth - 1; sint32 height = pLI->CharHeight - 1; if ((pLI->CharWidth > 0) && (pLI->CharHeight > 0)) { // Creating vertices dx = pLI->Left; dz = -(height-(sint32)(pLI->Top)); u1 = pLI->U - hlfW; v1 = pLI->V - hlfH; u2 = pLI->U + ((float)width) / pTexFont->getWidth() + hlfW; v2 = pLI->V + ((float)height) / pTexFont->getHeight() + hlfH; x1 = (penx + dx) * FontRatio - hlfPix; z1 = (penz + dz) * FontRatio - hlfPix; x2 = (penx + dx + width) * FontRatio + hlfPix; z2 = (penz + dz + height) * FontRatio + hlfPix; output.Vertices.setVertexCoord (j, x1, 0, z1); output.Vertices.setTexCoord (j, 0, u1, v2); ++j; output.Vertices.setVertexCoord (j, x2, 0, z1); output.Vertices.setTexCoord (j, 0, u2, v2); ++j; output.Vertices.setVertexCoord (j, x2, 0, z2); output.Vertices.setTexCoord (j, 0, u2, v1); ++j; output.Vertices.setVertexCoord (j, x1, 0, z2); output.Vertices.setTexCoord (j, 0, u1, v1); ++j; if (fabsf(z1-z2) > output.StringHeight) output.StringHeight = fabsf(z1-z2); } penx += pLI->AdvX; } // Building Material output.Material = pMatFont; } output.Vertices.setNumVertices (j); output.StringWidth = penx * FontRatio; } // --------------------------------------------------------------------------------------- static void NL3DcomputeStringUC (CFontManager *fm, const std::basic_string<ucchar> &s, CFontGenerator *fontGen, const NLMISC::CRGBA &color, uint32 fontSize, IDriver *driver, CComputedString &output, bool keep800x600Ratio) { float FontRatio = 1.0; uint32 width, height; output.Color = color; driver->getWindowSize (width, height); if (height > 0) FontRatio = FontRatio / height; // resize fontSize if window not of 800x600. if (keep800x600Ratio) { // keep the 800*600 ratio fontSize = (uint32)floor(fontSize*height/600.f); fontSize = max(fontSize, (uint32)2); } // Setting vertices format output.Vertices.setNumVertices (4 * s.size()); // 1 character <-> 1 primitive block sint32 penx = 0, dx; sint32 penz = 0, dz; float x1, z1, x2, z2; float u1, v1, u2, v2; float maxZ=-1.0f, minZ=1.0f; CMaterial *pMatFont = fm->getFontMaterial(); CTextureFont *pTexFont = (CTextureFont*)(pMatFont->getTexture (0)); float hlfW = 0.5f / pTexFont->getWidth(); float hlfH = 0.5f / pTexFont->getHeight(); float hlfPix = 0.5f; if (height > 0) hlfPix = hlfPix / height; CTextureFont::SLetterKey k; output.StringHeight = 0; uint j = 0; for (uint i = 0; i < s.size(); i++) { // Creating font k.Char = s[i]; k.FontGenerator = fontGen; k.Size = fontSize; CTextureFont::SLetterInfo *pLI = pTexFont->getLetterInfo (k); if(pLI != NULL) { if ((pLI->CharWidth > 0) && (pLI->CharHeight > 0)) { // Creating vertices dx = pLI->Left; dz = -((sint32)pLI->CharHeight-(sint32)(pLI->Top)); u1 = pLI->U - hlfW; v1 = pLI->V - hlfH; u2 = pLI->U + ((float)pLI->CharWidth) / pTexFont->getWidth() + hlfW; v2 = pLI->V + ((float)pLI->CharHeight) / pTexFont->getHeight() + hlfH; x1 = (penx + dx) * FontRatio - hlfPix; z1 = (penz + dz) * FontRatio - hlfPix; x2 = (penx + dx + (sint32)pLI->CharWidth) * FontRatio + hlfPix; z2 = (penz + dz + (sint32)pLI->CharHeight) * FontRatio + hlfPix; output.Vertices.setVertexCoord (j, x1, 0, z1); output.Vertices.setTexCoord (j, 0, u1, v2); ++j; output.Vertices.setVertexCoord (j, x2, 0, z1); output.Vertices.setTexCoord (j, 0, u2, v2); ++j; output.Vertices.setVertexCoord (j, x2, 0, z2); output.Vertices.setTexCoord (j, 0, u2, v1); ++j; output.Vertices.setVertexCoord (j, x1, 0, z2); output.Vertices.setTexCoord (j, 0, u1, v1); ++j; if (z1 < minZ) minZ = z1; if (z2 > maxZ) maxZ = z2; } penx += pLI->AdvX; } // Building Material output.Material = pMatFont; } output.Vertices.setNumVertices (j); output.StringWidth = penx * FontRatio; output.StringHeight = maxZ - minZ; output.StringLine = fabsf(minZ); } /*------------------------------------------------------------------*\ computeString() \*------------------------------------------------------------------*/ void CFontManager::computeString (const std::string &s, CFontGenerator *fontGen, const NLMISC::CRGBA &color, uint32 fontSize, IDriver *driver, CComputedString &output, bool keep800x600Ratio) { NL3DcomputeStringChar (this, s, fontGen, color, fontSize, driver, output,keep800x600Ratio); } /*------------------------------------------------------------------*\ computeString() \*------------------------------------------------------------------*/ void CFontManager::computeString (const ucstring &s, CFontGenerator *fontGen, const NLMISC::CRGBA &color, uint32 fontSize, IDriver *driver, CComputedString &output, bool keep800x600Ratio) { NL3DcomputeStringUC (this, s, fontGen, color, fontSize, driver, output,keep800x600Ratio); } string CFontManager::getCacheInformation() const { stringstream ss; ss << "MaxMemory: " << (uint) _MaxMemory << " MemSize: " << (uint) _MemSize << " NbChar: " << (uint) _NbChar; return ss.str(); } } // NL3D