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Finalize split of Fonts.h/cpp
This commit is contained in:
Ivan Savenko
commit
0ac411b5a0
392
client/render/CBitmapFont.cpp
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392
client/render/CBitmapFont.cpp
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/*
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* Fonts.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "Fonts.h"
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#include <SDL_ttf.h>
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#include "SDL_Extensions.h"
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#include "../../lib/JsonNode.h"
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#include "../../lib/vcmi_endian.h"
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#include "../../lib/filesystem/Filesystem.h"
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#include "../../lib/CGeneralTextHandler.h"
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size_t IFont::getStringWidth(const std::string & data) const
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{
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size_t width = 0;
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for(size_t i=0; i<data.size(); i += Unicode::getCharacterSize(data[i]))
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{
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width += getGlyphWidth(data.data() + i);
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}
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return width;
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}
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void IFont::renderTextLeft(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
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{
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renderText(surface, data, color, pos);
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}
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void IFont::renderTextRight(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
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{
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Point size((int)getStringWidth(data), (int)getLineHeight());
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renderText(surface, data, color, pos - size);
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}
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void IFont::renderTextCenter(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
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{
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Point size((int)getStringWidth(data), (int)getLineHeight());
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renderText(surface, data, color, pos - size / 2);
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}
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void IFont::renderTextLinesLeft(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const
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{
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Point currPos = pos;
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for(const std::string & line : data)
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{
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renderTextLeft(surface, line, color, currPos);
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currPos.y += (int)getLineHeight();
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}
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}
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void IFont::renderTextLinesRight(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const
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{
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Point currPos = pos;
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currPos.y -= (int)data.size() * (int)getLineHeight();
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for(const std::string & line : data)
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{
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renderTextRight(surface, line, color, currPos);
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currPos.y += (int)getLineHeight();
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}
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}
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void IFont::renderTextLinesCenter(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const
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{
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Point currPos = pos;
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currPos.y -= (int)data.size() * (int)getLineHeight() / 2;
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for(const std::string & line : data)
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{
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renderTextCenter(surface, line, color, currPos);
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currPos.y += (int)getLineHeight();
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}
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}
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std::array<CBitmapFont::BitmapChar, CBitmapFont::totalChars> CBitmapFont::loadChars() const
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{
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std::array<BitmapChar, totalChars> ret;
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size_t offset = 32;
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for (auto & elem : ret)
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{
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elem.leftOffset = read_le_u32(data.first.get() + offset); offset+=4;
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elem.width = read_le_u32(data.first.get() + offset); offset+=4;
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elem.rightOffset = read_le_u32(data.first.get() + offset); offset+=4;
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}
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for (auto & elem : ret)
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{
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int pixelOffset = read_le_u32(data.first.get() + offset); offset+=4;
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elem.pixels = data.first.get() + 4128 + pixelOffset;
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assert(pixelOffset + 4128 < data.second);
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}
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return ret;
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}
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CBitmapFont::CBitmapFont(const std::string & filename):
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data(CResourceHandler::get()->load(ResourceID("data/" + filename, EResType::BMP_FONT))->readAll()),
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chars(loadChars()),
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height(data.first.get()[5])
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{}
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size_t CBitmapFont::getLineHeight() const
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{
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return height;
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}
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size_t CBitmapFont::getGlyphWidth(const char * data) const
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{
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std::string localChar = Unicode::fromUnicode(std::string(data, Unicode::getCharacterSize(data[0])));
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if (localChar.size() == 1)
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{
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const BitmapChar & ch = chars[ui8(localChar[0])];
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return ch.leftOffset + ch.width + ch.rightOffset;
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}
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return 0;
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}
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void CBitmapFont::renderCharacter(SDL_Surface * surface, const BitmapChar & character, const SDL_Color & color, int &posX, int &posY) const
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{
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Rect clipRect;
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CSDL_Ext::getClipRect(surface, clipRect);
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posX += character.leftOffset;
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CSDL_Ext::TColorPutter colorPutter = CSDL_Ext::getPutterFor(surface, 0);
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uint8_t bpp = surface->format->BytesPerPixel;
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// start of line, may differ from 0 due to end of surface or clipped surface
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int lineBegin = std::max<int>(0, clipRect.y - posY);
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int lineEnd = std::min<int>(height, clipRect.y + clipRect.h - posY - 1);
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// start end end of each row, may differ from 0
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int rowBegin = std::max<int>(0, clipRect.x - posX);
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int rowEnd = std::min<int>(character.width, clipRect.x + clipRect.w - posX - 1);
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//for each line in symbol
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for(int dy = lineBegin; dy <lineEnd; dy++)
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{
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uint8_t *dstLine = (uint8_t*)surface->pixels;
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uint8_t *srcLine = character.pixels;
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// shift source\destination pixels to current position
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dstLine += (posY+dy) * surface->pitch + posX * bpp;
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srcLine += dy * character.width;
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//for each column in line
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for(int dx = rowBegin; dx < rowEnd; dx++)
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{
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uint8_t* dstPixel = dstLine + dx*bpp;
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switch(srcLine[dx])
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{
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case 1: //black "shadow"
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colorPutter(dstPixel, 0, 0, 0);
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break;
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case 255: //text colour
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colorPutter(dstPixel, color.r, color.g, color.b);
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break;
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default :
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break; //transparency
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}
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}
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}
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posX += character.width;
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posX += character.rightOffset;
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}
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void CBitmapFont::renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
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{
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if (data.empty())
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return;
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assert(surface);
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int posX = pos.x;
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int posY = pos.y;
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// Should be used to detect incorrect text parsing. Disabled right now due to some old UI code (mostly pregame and battles)
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//assert(data[0] != '{');
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//assert(data[data.size()-1] != '}');
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SDL_LockSurface(surface);
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for(size_t i=0; i<data.size(); i += Unicode::getCharacterSize(data[i]))
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{
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std::string localChar = Unicode::fromUnicode(data.substr(i, Unicode::getCharacterSize(data[i])));
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if (localChar.size() == 1)
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renderCharacter(surface, chars[ui8(localChar[0])], color, posX, posY);
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}
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SDL_UnlockSurface(surface);
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}
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std::pair<std::unique_ptr<ui8[]>, ui64> CTrueTypeFont::loadData(const JsonNode & config)
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{
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std::string filename = "Data/" + config["file"].String();
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return CResourceHandler::get()->load(ResourceID(filename, EResType::TTF_FONT))->readAll();
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}
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TTF_Font * CTrueTypeFont::loadFont(const JsonNode &config)
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{
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int pointSize = static_cast<int>(config["size"].Float());
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if(!TTF_WasInit() && TTF_Init()==-1)
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throw std::runtime_error(std::string("Failed to initialize true type support: ") + TTF_GetError() + "\n");
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return TTF_OpenFontRW(SDL_RWFromConstMem(data.first.get(), (int)data.second), 1, pointSize);
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}
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int CTrueTypeFont::getFontStyle(const JsonNode &config)
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{
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const JsonVector & names = config["style"].Vector();
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int ret = 0;
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for(const JsonNode & node : names)
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{
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if (node.String() == "bold")
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ret |= TTF_STYLE_BOLD;
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else if (node.String() == "italic")
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ret |= TTF_STYLE_ITALIC;
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}
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return ret;
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}
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CTrueTypeFont::CTrueTypeFont(const JsonNode & fontConfig):
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data(loadData(fontConfig)),
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font(loadFont(fontConfig), TTF_CloseFont),
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blended(fontConfig["blend"].Bool())
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{
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assert(font);
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TTF_SetFontStyle(font.get(), getFontStyle(fontConfig));
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}
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size_t CTrueTypeFont::getLineHeight() const
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{
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return TTF_FontHeight(font.get());
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}
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size_t CTrueTypeFont::getGlyphWidth(const char *data) const
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{
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return getStringWidth(std::string(data, Unicode::getCharacterSize(*data)));
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/*
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int advance;
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TTF_GlyphMetrics(font.get(), *data, nullptr, nullptr, nullptr, nullptr, &advance);
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return advance;
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*/
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}
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size_t CTrueTypeFont::getStringWidth(const std::string & data) const
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{
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int width;
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TTF_SizeUTF8(font.get(), data.c_str(), &width, nullptr);
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return width;
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}
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void CTrueTypeFont::renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
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{
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if (color.r != 0 && color.g != 0 && color.b != 0) // not black - add shadow
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renderText(surface, data, Colors::BLACK, pos + Point(1,1));
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if (!data.empty())
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{
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SDL_Surface * rendered;
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if (blended)
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rendered = TTF_RenderUTF8_Blended(font.get(), data.c_str(), color);
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else
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rendered = TTF_RenderUTF8_Solid(font.get(), data.c_str(), color);
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assert(rendered);
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CSDL_Ext::blitSurface(rendered, surface, pos);
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SDL_FreeSurface(rendered);
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}
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}
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size_t CBitmapHanFont::getCharacterDataOffset(size_t index) const
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{
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size_t rowSize = (size + 7) / 8; // 1 bit per pixel, rounded up
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size_t charSize = rowSize * size; // glyph contains "size" rows
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return index * charSize;
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}
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size_t CBitmapHanFont::getCharacterIndex(ui8 first, ui8 second) const
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{
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if (second > 0x7f )
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second--;
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return (first - 0x81) * (12*16 - 2) + (second - 0x40);
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}
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void CBitmapHanFont::renderCharacter(SDL_Surface * surface, int characterIndex, const SDL_Color & color, int &posX, int &posY) const
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{
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//TODO: somewhat duplicated with CBitmapFont::renderCharacter();
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Rect clipRect;
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CSDL_Ext::getClipRect(surface, clipRect);
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CSDL_Ext::TColorPutter colorPutter = CSDL_Ext::getPutterFor(surface, 0);
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uint8_t bpp = surface->format->BytesPerPixel;
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// start of line, may differ from 0 due to end of surface or clipped surface
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int lineBegin = std::max<int>(0, clipRect.y - posY);
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int lineEnd = std::min((int)size, clipRect.y + clipRect.h - posY);
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// start end end of each row, may differ from 0
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int rowBegin = std::max<int>(0, clipRect.x - posX);
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int rowEnd = std::min<int>((int)size, clipRect.x + clipRect.w - posX);
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//for each line in symbol
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for(int dy = lineBegin; dy <lineEnd; dy++)
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{
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uint8_t *dstLine = (uint8_t*)surface->pixels;
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uint8_t *source = data.first.get() + getCharacterDataOffset(characterIndex);
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// shift source\destination pixels to current position
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dstLine += (posY+dy) * surface->pitch + posX * bpp;
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source += ((size + 7) / 8) * dy;
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//for each column in line
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for(int dx = rowBegin; dx < rowEnd; dx++)
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{
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// select current bit in bitmap
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int bit = (source[dx / 8] << (dx % 8)) & 0x80;
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uint8_t* dstPixel = dstLine + dx*bpp;
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if (bit != 0)
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colorPutter(dstPixel, color.r, color.g, color.b);
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}
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}
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posX += (int)size + 1;
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}
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void CBitmapHanFont::renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
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{
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int posX = pos.x;
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int posY = pos.y;
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SDL_LockSurface(surface);
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for(size_t i=0; i<data.size(); i += Unicode::getCharacterSize(data[i]))
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{
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std::string localChar = Unicode::fromUnicode(data.substr(i, Unicode::getCharacterSize(data[i])));
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if (localChar.size() == 1)
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fallback->renderCharacter(surface, fallback->chars[ui8(localChar[0])], color, posX, posY);
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if (localChar.size() == 2)
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renderCharacter(surface, (int)getCharacterIndex(localChar[0], localChar[1]), color, posX, posY);
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}
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SDL_UnlockSurface(surface);
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}
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CBitmapHanFont::CBitmapHanFont(const JsonNode &config):
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fallback(new CBitmapFont(config["fallback"].String())),
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data(CResourceHandler::get()->load(ResourceID("data/" + config["name"].String(), EResType::OTHER))->readAll()),
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size((size_t)config["size"].Float())
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{
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// basic tests to make sure that fonts are OK
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// 1) fonts must contain 190 "sections", 126 symbols each.
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assert(getCharacterIndex(0xfe, 0xff) == 190*126);
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// 2) ensure that font size is correct - enough to fit all possible symbols
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assert(getCharacterDataOffset(getCharacterIndex(0xfe, 0xff)) == data.second);
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}
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size_t CBitmapHanFont::getLineHeight() const
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{
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return std::max(size + 1, fallback->getLineHeight());
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}
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size_t CBitmapHanFont::getGlyphWidth(const char * data) const
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{
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std::string localChar = Unicode::fromUnicode(std::string(data, Unicode::getCharacterSize(data[0])));
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if (localChar.size() == 1)
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return fallback->getGlyphWidth(data);
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if (localChar.size() == 2)
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return size + 1;
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return 0;
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}
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136
client/render/CBitmapFont.h
Normal file
136
client/render/CBitmapFont.h
Normal file
@ -0,0 +1,136 @@
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/*
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* Fonts.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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VCMI_LIB_NAMESPACE_BEGIN
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class JsonNode;
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class Point;
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VCMI_LIB_NAMESPACE_END
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struct SDL_Surface;
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struct SDL_Color;
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typedef struct _TTF_Font TTF_Font;
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class CBitmapFont;
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class CBitmapHanFont;
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class IFont
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{
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protected:
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/// Internal function to render font, see renderTextLeft
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virtual void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const = 0;
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public:
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virtual ~IFont()
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{}
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/// Returns height of font
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virtual size_t getLineHeight() const = 0;
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/// Returns width, in pixels of a character glyph. Pointer must contain at least characterSize valid bytes
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virtual size_t getGlyphWidth(const char * data) const = 0;
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/// Return width of the string
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virtual size_t getStringWidth(const std::string & data) const;
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/**
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* @param surface - destination to print text on
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* @param data - string to print
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* @param color - font color
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* @param pos - position of rendered font
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*/
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/// pos = topleft corner of the text
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void renderTextLeft(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
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/// pos = center of the text
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void renderTextRight(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
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/// pos = bottomright corner of the text
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void renderTextCenter(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
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/// pos = topleft corner of the text
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void renderTextLinesLeft(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
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/// pos = center of the text
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void renderTextLinesRight(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
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/// pos = bottomright corner of the text
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void renderTextLinesCenter(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
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};
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class CBitmapFont : public IFont
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{
|
||||
static const size_t totalChars = 256;
|
||||
|
||||
struct BitmapChar
|
||||
{
|
||||
si32 leftOffset;
|
||||
ui32 width;
|
||||
si32 rightOffset;
|
||||
ui8 *pixels; // pixels of this character, part of BitmapFont::data
|
||||
};
|
||||
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
const std::array<BitmapChar, totalChars> chars;
|
||||
const ui8 height;
|
||||
|
||||
std::array<BitmapChar, totalChars> loadChars() const;
|
||||
|
||||
void renderCharacter(SDL_Surface * surface, const BitmapChar & character, const SDL_Color & color, int &posX, int &posY) const;
|
||||
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CBitmapFont(const std::string & filename);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
|
||||
friend class CBitmapHanFont;
|
||||
};
|
||||
|
||||
/// supports multi-byte characters for such languages like Chinese
|
||||
class CBitmapHanFont : public IFont
|
||||
{
|
||||
std::unique_ptr<CBitmapFont> fallback;
|
||||
// data, directly copied from file
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
// size of the font. Not available in file but needed for proper rendering
|
||||
const size_t size;
|
||||
|
||||
size_t getCharacterDataOffset(size_t index) const;
|
||||
size_t getCharacterIndex(ui8 first, ui8 second) const;
|
||||
|
||||
void renderCharacter(SDL_Surface * surface, int characterIndex, const SDL_Color & color, int &posX, int &posY) const;
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CBitmapHanFont(const JsonNode & config);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
};
|
||||
|
||||
class CTrueTypeFont : public IFont
|
||||
{
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
const std::unique_ptr<TTF_Font, void (*)(TTF_Font*)> font;
|
||||
const bool blended;
|
||||
|
||||
std::pair<std::unique_ptr<ui8[]>, ui64> loadData(const JsonNode & config);
|
||||
TTF_Font * loadFont(const JsonNode & config);
|
||||
int getFontStyle(const JsonNode & config);
|
||||
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CTrueTypeFont(const JsonNode & fontConfig);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
size_t getStringWidth(const std::string & data) const override;
|
||||
};
|
||||
392
client/render/CTrueTypeFont.cpp
Normal file
392
client/render/CTrueTypeFont.cpp
Normal file
@ -0,0 +1,392 @@
|
||||
/*
|
||||
* Fonts.cpp, part of VCMI engine
|
||||
*
|
||||
* Authors: listed in file AUTHORS in main folder
|
||||
*
|
||||
* License: GNU General Public License v2.0 or later
|
||||
* Full text of license available in license.txt file, in main folder
|
||||
*
|
||||
*/
|
||||
#include "StdInc.h"
|
||||
#include "Fonts.h"
|
||||
|
||||
#include <SDL_ttf.h>
|
||||
|
||||
#include "SDL_Extensions.h"
|
||||
#include "../../lib/JsonNode.h"
|
||||
#include "../../lib/vcmi_endian.h"
|
||||
#include "../../lib/filesystem/Filesystem.h"
|
||||
#include "../../lib/CGeneralTextHandler.h"
|
||||
|
||||
size_t IFont::getStringWidth(const std::string & data) const
|
||||
{
|
||||
size_t width = 0;
|
||||
|
||||
for(size_t i=0; i<data.size(); i += Unicode::getCharacterSize(data[i]))
|
||||
{
|
||||
width += getGlyphWidth(data.data() + i);
|
||||
}
|
||||
return width;
|
||||
}
|
||||
|
||||
void IFont::renderTextLeft(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
renderText(surface, data, color, pos);
|
||||
}
|
||||
|
||||
void IFont::renderTextRight(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
Point size((int)getStringWidth(data), (int)getLineHeight());
|
||||
renderText(surface, data, color, pos - size);
|
||||
}
|
||||
|
||||
void IFont::renderTextCenter(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
Point size((int)getStringWidth(data), (int)getLineHeight());
|
||||
renderText(surface, data, color, pos - size / 2);
|
||||
}
|
||||
|
||||
void IFont::renderTextLinesLeft(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
Point currPos = pos;
|
||||
|
||||
for(const std::string & line : data)
|
||||
{
|
||||
renderTextLeft(surface, line, color, currPos);
|
||||
currPos.y += (int)getLineHeight();
|
||||
}
|
||||
}
|
||||
|
||||
void IFont::renderTextLinesRight(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
Point currPos = pos;
|
||||
currPos.y -= (int)data.size() * (int)getLineHeight();
|
||||
|
||||
for(const std::string & line : data)
|
||||
{
|
||||
renderTextRight(surface, line, color, currPos);
|
||||
currPos.y += (int)getLineHeight();
|
||||
}
|
||||
}
|
||||
|
||||
void IFont::renderTextLinesCenter(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
Point currPos = pos;
|
||||
currPos.y -= (int)data.size() * (int)getLineHeight() / 2;
|
||||
|
||||
for(const std::string & line : data)
|
||||
{
|
||||
renderTextCenter(surface, line, color, currPos);
|
||||
currPos.y += (int)getLineHeight();
|
||||
}
|
||||
}
|
||||
|
||||
std::array<CBitmapFont::BitmapChar, CBitmapFont::totalChars> CBitmapFont::loadChars() const
|
||||
{
|
||||
std::array<BitmapChar, totalChars> ret;
|
||||
|
||||
size_t offset = 32;
|
||||
|
||||
for (auto & elem : ret)
|
||||
{
|
||||
elem.leftOffset = read_le_u32(data.first.get() + offset); offset+=4;
|
||||
elem.width = read_le_u32(data.first.get() + offset); offset+=4;
|
||||
elem.rightOffset = read_le_u32(data.first.get() + offset); offset+=4;
|
||||
}
|
||||
|
||||
for (auto & elem : ret)
|
||||
{
|
||||
int pixelOffset = read_le_u32(data.first.get() + offset); offset+=4;
|
||||
elem.pixels = data.first.get() + 4128 + pixelOffset;
|
||||
|
||||
assert(pixelOffset + 4128 < data.second);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
CBitmapFont::CBitmapFont(const std::string & filename):
|
||||
data(CResourceHandler::get()->load(ResourceID("data/" + filename, EResType::BMP_FONT))->readAll()),
|
||||
chars(loadChars()),
|
||||
height(data.first.get()[5])
|
||||
{}
|
||||
|
||||
size_t CBitmapFont::getLineHeight() const
|
||||
{
|
||||
return height;
|
||||
}
|
||||
|
||||
size_t CBitmapFont::getGlyphWidth(const char * data) const
|
||||
{
|
||||
std::string localChar = Unicode::fromUnicode(std::string(data, Unicode::getCharacterSize(data[0])));
|
||||
|
||||
if (localChar.size() == 1)
|
||||
{
|
||||
const BitmapChar & ch = chars[ui8(localChar[0])];
|
||||
return ch.leftOffset + ch.width + ch.rightOffset;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void CBitmapFont::renderCharacter(SDL_Surface * surface, const BitmapChar & character, const SDL_Color & color, int &posX, int &posY) const
|
||||
{
|
||||
Rect clipRect;
|
||||
CSDL_Ext::getClipRect(surface, clipRect);
|
||||
|
||||
posX += character.leftOffset;
|
||||
|
||||
CSDL_Ext::TColorPutter colorPutter = CSDL_Ext::getPutterFor(surface, 0);
|
||||
|
||||
uint8_t bpp = surface->format->BytesPerPixel;
|
||||
|
||||
// start of line, may differ from 0 due to end of surface or clipped surface
|
||||
int lineBegin = std::max<int>(0, clipRect.y - posY);
|
||||
int lineEnd = std::min<int>(height, clipRect.y + clipRect.h - posY - 1);
|
||||
|
||||
// start end end of each row, may differ from 0
|
||||
int rowBegin = std::max<int>(0, clipRect.x - posX);
|
||||
int rowEnd = std::min<int>(character.width, clipRect.x + clipRect.w - posX - 1);
|
||||
|
||||
//for each line in symbol
|
||||
for(int dy = lineBegin; dy <lineEnd; dy++)
|
||||
{
|
||||
uint8_t *dstLine = (uint8_t*)surface->pixels;
|
||||
uint8_t *srcLine = character.pixels;
|
||||
|
||||
// shift source\destination pixels to current position
|
||||
dstLine += (posY+dy) * surface->pitch + posX * bpp;
|
||||
srcLine += dy * character.width;
|
||||
|
||||
//for each column in line
|
||||
for(int dx = rowBegin; dx < rowEnd; dx++)
|
||||
{
|
||||
uint8_t* dstPixel = dstLine + dx*bpp;
|
||||
switch(srcLine[dx])
|
||||
{
|
||||
case 1: //black "shadow"
|
||||
colorPutter(dstPixel, 0, 0, 0);
|
||||
break;
|
||||
case 255: //text colour
|
||||
colorPutter(dstPixel, color.r, color.g, color.b);
|
||||
break;
|
||||
default :
|
||||
break; //transparency
|
||||
}
|
||||
}
|
||||
}
|
||||
posX += character.width;
|
||||
posX += character.rightOffset;
|
||||
}
|
||||
|
||||
void CBitmapFont::renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
if (data.empty())
|
||||
return;
|
||||
|
||||
assert(surface);
|
||||
|
||||
int posX = pos.x;
|
||||
int posY = pos.y;
|
||||
|
||||
// Should be used to detect incorrect text parsing. Disabled right now due to some old UI code (mostly pregame and battles)
|
||||
//assert(data[0] != '{');
|
||||
//assert(data[data.size()-1] != '}');
|
||||
|
||||
SDL_LockSurface(surface);
|
||||
|
||||
for(size_t i=0; i<data.size(); i += Unicode::getCharacterSize(data[i]))
|
||||
{
|
||||
std::string localChar = Unicode::fromUnicode(data.substr(i, Unicode::getCharacterSize(data[i])));
|
||||
|
||||
if (localChar.size() == 1)
|
||||
renderCharacter(surface, chars[ui8(localChar[0])], color, posX, posY);
|
||||
}
|
||||
SDL_UnlockSurface(surface);
|
||||
}
|
||||
|
||||
std::pair<std::unique_ptr<ui8[]>, ui64> CTrueTypeFont::loadData(const JsonNode & config)
|
||||
{
|
||||
std::string filename = "Data/" + config["file"].String();
|
||||
return CResourceHandler::get()->load(ResourceID(filename, EResType::TTF_FONT))->readAll();
|
||||
}
|
||||
|
||||
TTF_Font * CTrueTypeFont::loadFont(const JsonNode &config)
|
||||
{
|
||||
int pointSize = static_cast<int>(config["size"].Float());
|
||||
|
||||
if(!TTF_WasInit() && TTF_Init()==-1)
|
||||
throw std::runtime_error(std::string("Failed to initialize true type support: ") + TTF_GetError() + "\n");
|
||||
|
||||
return TTF_OpenFontRW(SDL_RWFromConstMem(data.first.get(), (int)data.second), 1, pointSize);
|
||||
}
|
||||
|
||||
int CTrueTypeFont::getFontStyle(const JsonNode &config)
|
||||
{
|
||||
const JsonVector & names = config["style"].Vector();
|
||||
int ret = 0;
|
||||
for(const JsonNode & node : names)
|
||||
{
|
||||
if (node.String() == "bold")
|
||||
ret |= TTF_STYLE_BOLD;
|
||||
else if (node.String() == "italic")
|
||||
ret |= TTF_STYLE_ITALIC;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
CTrueTypeFont::CTrueTypeFont(const JsonNode & fontConfig):
|
||||
data(loadData(fontConfig)),
|
||||
font(loadFont(fontConfig), TTF_CloseFont),
|
||||
blended(fontConfig["blend"].Bool())
|
||||
{
|
||||
assert(font);
|
||||
|
||||
TTF_SetFontStyle(font.get(), getFontStyle(fontConfig));
|
||||
}
|
||||
|
||||
size_t CTrueTypeFont::getLineHeight() const
|
||||
{
|
||||
return TTF_FontHeight(font.get());
|
||||
}
|
||||
|
||||
size_t CTrueTypeFont::getGlyphWidth(const char *data) const
|
||||
{
|
||||
return getStringWidth(std::string(data, Unicode::getCharacterSize(*data)));
|
||||
/*
|
||||
int advance;
|
||||
TTF_GlyphMetrics(font.get(), *data, nullptr, nullptr, nullptr, nullptr, &advance);
|
||||
return advance;
|
||||
*/
|
||||
}
|
||||
|
||||
size_t CTrueTypeFont::getStringWidth(const std::string & data) const
|
||||
{
|
||||
int width;
|
||||
TTF_SizeUTF8(font.get(), data.c_str(), &width, nullptr);
|
||||
return width;
|
||||
}
|
||||
|
||||
void CTrueTypeFont::renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
if (color.r != 0 && color.g != 0 && color.b != 0) // not black - add shadow
|
||||
renderText(surface, data, Colors::BLACK, pos + Point(1,1));
|
||||
|
||||
if (!data.empty())
|
||||
{
|
||||
SDL_Surface * rendered;
|
||||
if (blended)
|
||||
rendered = TTF_RenderUTF8_Blended(font.get(), data.c_str(), color);
|
||||
else
|
||||
rendered = TTF_RenderUTF8_Solid(font.get(), data.c_str(), color);
|
||||
|
||||
assert(rendered);
|
||||
|
||||
CSDL_Ext::blitSurface(rendered, surface, pos);
|
||||
SDL_FreeSurface(rendered);
|
||||
}
|
||||
}
|
||||
|
||||
size_t CBitmapHanFont::getCharacterDataOffset(size_t index) const
|
||||
{
|
||||
size_t rowSize = (size + 7) / 8; // 1 bit per pixel, rounded up
|
||||
size_t charSize = rowSize * size; // glyph contains "size" rows
|
||||
return index * charSize;
|
||||
}
|
||||
|
||||
size_t CBitmapHanFont::getCharacterIndex(ui8 first, ui8 second) const
|
||||
{
|
||||
if (second > 0x7f )
|
||||
second--;
|
||||
|
||||
return (first - 0x81) * (12*16 - 2) + (second - 0x40);
|
||||
}
|
||||
|
||||
void CBitmapHanFont::renderCharacter(SDL_Surface * surface, int characterIndex, const SDL_Color & color, int &posX, int &posY) const
|
||||
{
|
||||
//TODO: somewhat duplicated with CBitmapFont::renderCharacter();
|
||||
Rect clipRect;
|
||||
CSDL_Ext::getClipRect(surface, clipRect);
|
||||
|
||||
CSDL_Ext::TColorPutter colorPutter = CSDL_Ext::getPutterFor(surface, 0);
|
||||
uint8_t bpp = surface->format->BytesPerPixel;
|
||||
|
||||
// start of line, may differ from 0 due to end of surface or clipped surface
|
||||
int lineBegin = std::max<int>(0, clipRect.y - posY);
|
||||
int lineEnd = std::min((int)size, clipRect.y + clipRect.h - posY);
|
||||
|
||||
// start end end of each row, may differ from 0
|
||||
int rowBegin = std::max<int>(0, clipRect.x - posX);
|
||||
int rowEnd = std::min<int>((int)size, clipRect.x + clipRect.w - posX);
|
||||
|
||||
//for each line in symbol
|
||||
for(int dy = lineBegin; dy <lineEnd; dy++)
|
||||
{
|
||||
uint8_t *dstLine = (uint8_t*)surface->pixels;
|
||||
uint8_t *source = data.first.get() + getCharacterDataOffset(characterIndex);
|
||||
|
||||
// shift source\destination pixels to current position
|
||||
dstLine += (posY+dy) * surface->pitch + posX * bpp;
|
||||
source += ((size + 7) / 8) * dy;
|
||||
|
||||
//for each column in line
|
||||
for(int dx = rowBegin; dx < rowEnd; dx++)
|
||||
{
|
||||
// select current bit in bitmap
|
||||
int bit = (source[dx / 8] << (dx % 8)) & 0x80;
|
||||
|
||||
uint8_t* dstPixel = dstLine + dx*bpp;
|
||||
if (bit != 0)
|
||||
colorPutter(dstPixel, color.r, color.g, color.b);
|
||||
}
|
||||
}
|
||||
posX += (int)size + 1;
|
||||
}
|
||||
|
||||
void CBitmapHanFont::renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const
|
||||
{
|
||||
int posX = pos.x;
|
||||
int posY = pos.y;
|
||||
|
||||
SDL_LockSurface(surface);
|
||||
|
||||
for(size_t i=0; i<data.size(); i += Unicode::getCharacterSize(data[i]))
|
||||
{
|
||||
std::string localChar = Unicode::fromUnicode(data.substr(i, Unicode::getCharacterSize(data[i])));
|
||||
|
||||
if (localChar.size() == 1)
|
||||
fallback->renderCharacter(surface, fallback->chars[ui8(localChar[0])], color, posX, posY);
|
||||
|
||||
if (localChar.size() == 2)
|
||||
renderCharacter(surface, (int)getCharacterIndex(localChar[0], localChar[1]), color, posX, posY);
|
||||
}
|
||||
SDL_UnlockSurface(surface);
|
||||
}
|
||||
|
||||
CBitmapHanFont::CBitmapHanFont(const JsonNode &config):
|
||||
fallback(new CBitmapFont(config["fallback"].String())),
|
||||
data(CResourceHandler::get()->load(ResourceID("data/" + config["name"].String(), EResType::OTHER))->readAll()),
|
||||
size((size_t)config["size"].Float())
|
||||
{
|
||||
// basic tests to make sure that fonts are OK
|
||||
// 1) fonts must contain 190 "sections", 126 symbols each.
|
||||
assert(getCharacterIndex(0xfe, 0xff) == 190*126);
|
||||
// 2) ensure that font size is correct - enough to fit all possible symbols
|
||||
assert(getCharacterDataOffset(getCharacterIndex(0xfe, 0xff)) == data.second);
|
||||
}
|
||||
|
||||
size_t CBitmapHanFont::getLineHeight() const
|
||||
{
|
||||
return std::max(size + 1, fallback->getLineHeight());
|
||||
}
|
||||
|
||||
size_t CBitmapHanFont::getGlyphWidth(const char * data) const
|
||||
{
|
||||
std::string localChar = Unicode::fromUnicode(std::string(data, Unicode::getCharacterSize(data[0])));
|
||||
|
||||
if (localChar.size() == 1)
|
||||
return fallback->getGlyphWidth(data);
|
||||
|
||||
if (localChar.size() == 2)
|
||||
return size + 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
136
client/render/CTrueTypeFont.h
Normal file
136
client/render/CTrueTypeFont.h
Normal file
@ -0,0 +1,136 @@
|
||||
/*
|
||||
* Fonts.h, part of VCMI engine
|
||||
*
|
||||
* Authors: listed in file AUTHORS in main folder
|
||||
*
|
||||
* License: GNU General Public License v2.0 or later
|
||||
* Full text of license available in license.txt file, in main folder
|
||||
*
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
VCMI_LIB_NAMESPACE_BEGIN
|
||||
|
||||
class JsonNode;
|
||||
class Point;
|
||||
|
||||
VCMI_LIB_NAMESPACE_END
|
||||
|
||||
struct SDL_Surface;
|
||||
struct SDL_Color;
|
||||
|
||||
typedef struct _TTF_Font TTF_Font;
|
||||
|
||||
class CBitmapFont;
|
||||
class CBitmapHanFont;
|
||||
|
||||
class IFont
|
||||
{
|
||||
protected:
|
||||
/// Internal function to render font, see renderTextLeft
|
||||
virtual void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const = 0;
|
||||
|
||||
public:
|
||||
virtual ~IFont()
|
||||
{}
|
||||
|
||||
/// Returns height of font
|
||||
virtual size_t getLineHeight() const = 0;
|
||||
/// Returns width, in pixels of a character glyph. Pointer must contain at least characterSize valid bytes
|
||||
virtual size_t getGlyphWidth(const char * data) const = 0;
|
||||
/// Return width of the string
|
||||
virtual size_t getStringWidth(const std::string & data) const;
|
||||
|
||||
/**
|
||||
* @param surface - destination to print text on
|
||||
* @param data - string to print
|
||||
* @param color - font color
|
||||
* @param pos - position of rendered font
|
||||
*/
|
||||
/// pos = topleft corner of the text
|
||||
void renderTextLeft(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
|
||||
/// pos = center of the text
|
||||
void renderTextRight(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
|
||||
/// pos = bottomright corner of the text
|
||||
void renderTextCenter(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
|
||||
|
||||
/// pos = topleft corner of the text
|
||||
void renderTextLinesLeft(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
|
||||
/// pos = center of the text
|
||||
void renderTextLinesRight(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
|
||||
/// pos = bottomright corner of the text
|
||||
void renderTextLinesCenter(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
|
||||
};
|
||||
|
||||
class CBitmapFont : public IFont
|
||||
{
|
||||
static const size_t totalChars = 256;
|
||||
|
||||
struct BitmapChar
|
||||
{
|
||||
si32 leftOffset;
|
||||
ui32 width;
|
||||
si32 rightOffset;
|
||||
ui8 *pixels; // pixels of this character, part of BitmapFont::data
|
||||
};
|
||||
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
const std::array<BitmapChar, totalChars> chars;
|
||||
const ui8 height;
|
||||
|
||||
std::array<BitmapChar, totalChars> loadChars() const;
|
||||
|
||||
void renderCharacter(SDL_Surface * surface, const BitmapChar & character, const SDL_Color & color, int &posX, int &posY) const;
|
||||
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CBitmapFont(const std::string & filename);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
|
||||
friend class CBitmapHanFont;
|
||||
};
|
||||
|
||||
/// supports multi-byte characters for such languages like Chinese
|
||||
class CBitmapHanFont : public IFont
|
||||
{
|
||||
std::unique_ptr<CBitmapFont> fallback;
|
||||
// data, directly copied from file
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
// size of the font. Not available in file but needed for proper rendering
|
||||
const size_t size;
|
||||
|
||||
size_t getCharacterDataOffset(size_t index) const;
|
||||
size_t getCharacterIndex(ui8 first, ui8 second) const;
|
||||
|
||||
void renderCharacter(SDL_Surface * surface, int characterIndex, const SDL_Color & color, int &posX, int &posY) const;
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CBitmapHanFont(const JsonNode & config);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
};
|
||||
|
||||
class CTrueTypeFont : public IFont
|
||||
{
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
const std::unique_ptr<TTF_Font, void (*)(TTF_Font*)> font;
|
||||
const bool blended;
|
||||
|
||||
std::pair<std::unique_ptr<ui8[]>, ui64> loadData(const JsonNode & config);
|
||||
TTF_Font * loadFont(const JsonNode & config);
|
||||
int getFontStyle(const JsonNode & config);
|
||||
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CTrueTypeFont(const JsonNode & fontConfig);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
size_t getStringWidth(const std::string & data) const override;
|
||||
};
|
||||
136
client/render/IFont.h
Normal file
136
client/render/IFont.h
Normal file
@ -0,0 +1,136 @@
|
||||
/*
|
||||
* Fonts.h, part of VCMI engine
|
||||
*
|
||||
* Authors: listed in file AUTHORS in main folder
|
||||
*
|
||||
* License: GNU General Public License v2.0 or later
|
||||
* Full text of license available in license.txt file, in main folder
|
||||
*
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
VCMI_LIB_NAMESPACE_BEGIN
|
||||
|
||||
class JsonNode;
|
||||
class Point;
|
||||
|
||||
VCMI_LIB_NAMESPACE_END
|
||||
|
||||
struct SDL_Surface;
|
||||
struct SDL_Color;
|
||||
|
||||
typedef struct _TTF_Font TTF_Font;
|
||||
|
||||
class CBitmapFont;
|
||||
class CBitmapHanFont;
|
||||
|
||||
class IFont
|
||||
{
|
||||
protected:
|
||||
/// Internal function to render font, see renderTextLeft
|
||||
virtual void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const = 0;
|
||||
|
||||
public:
|
||||
virtual ~IFont()
|
||||
{}
|
||||
|
||||
/// Returns height of font
|
||||
virtual size_t getLineHeight() const = 0;
|
||||
/// Returns width, in pixels of a character glyph. Pointer must contain at least characterSize valid bytes
|
||||
virtual size_t getGlyphWidth(const char * data) const = 0;
|
||||
/// Return width of the string
|
||||
virtual size_t getStringWidth(const std::string & data) const;
|
||||
|
||||
/**
|
||||
* @param surface - destination to print text on
|
||||
* @param data - string to print
|
||||
* @param color - font color
|
||||
* @param pos - position of rendered font
|
||||
*/
|
||||
/// pos = topleft corner of the text
|
||||
void renderTextLeft(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
|
||||
/// pos = center of the text
|
||||
void renderTextRight(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
|
||||
/// pos = bottomright corner of the text
|
||||
void renderTextCenter(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const;
|
||||
|
||||
/// pos = topleft corner of the text
|
||||
void renderTextLinesLeft(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
|
||||
/// pos = center of the text
|
||||
void renderTextLinesRight(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
|
||||
/// pos = bottomright corner of the text
|
||||
void renderTextLinesCenter(SDL_Surface * surface, const std::vector<std::string> & data, const SDL_Color & color, const Point & pos) const;
|
||||
};
|
||||
|
||||
class CBitmapFont : public IFont
|
||||
{
|
||||
static const size_t totalChars = 256;
|
||||
|
||||
struct BitmapChar
|
||||
{
|
||||
si32 leftOffset;
|
||||
ui32 width;
|
||||
si32 rightOffset;
|
||||
ui8 *pixels; // pixels of this character, part of BitmapFont::data
|
||||
};
|
||||
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
const std::array<BitmapChar, totalChars> chars;
|
||||
const ui8 height;
|
||||
|
||||
std::array<BitmapChar, totalChars> loadChars() const;
|
||||
|
||||
void renderCharacter(SDL_Surface * surface, const BitmapChar & character, const SDL_Color & color, int &posX, int &posY) const;
|
||||
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CBitmapFont(const std::string & filename);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
|
||||
friend class CBitmapHanFont;
|
||||
};
|
||||
|
||||
/// supports multi-byte characters for such languages like Chinese
|
||||
class CBitmapHanFont : public IFont
|
||||
{
|
||||
std::unique_ptr<CBitmapFont> fallback;
|
||||
// data, directly copied from file
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
// size of the font. Not available in file but needed for proper rendering
|
||||
const size_t size;
|
||||
|
||||
size_t getCharacterDataOffset(size_t index) const;
|
||||
size_t getCharacterIndex(ui8 first, ui8 second) const;
|
||||
|
||||
void renderCharacter(SDL_Surface * surface, int characterIndex, const SDL_Color & color, int &posX, int &posY) const;
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CBitmapHanFont(const JsonNode & config);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
};
|
||||
|
||||
class CTrueTypeFont : public IFont
|
||||
{
|
||||
const std::pair<std::unique_ptr<ui8[]>, ui64> data;
|
||||
|
||||
const std::unique_ptr<TTF_Font, void (*)(TTF_Font*)> font;
|
||||
const bool blended;
|
||||
|
||||
std::pair<std::unique_ptr<ui8[]>, ui64> loadData(const JsonNode & config);
|
||||
TTF_Font * loadFont(const JsonNode & config);
|
||||
int getFontStyle(const JsonNode & config);
|
||||
|
||||
void renderText(SDL_Surface * surface, const std::string & data, const SDL_Color & color, const Point & pos) const override;
|
||||
public:
|
||||
CTrueTypeFont(const JsonNode & fontConfig);
|
||||
|
||||
size_t getLineHeight() const override;
|
||||
size_t getGlyphWidth(const char * data) const override;
|
||||
size_t getStringWidth(const std::string & data) const override;
|
||||
};
|
||||
Loading…
Reference in New Issue
Block a user