/* ScummVM - Graphic Adventure Engine * * ScummVM is the legal property of its developers, whose names * are too numerous to list here. Please refer to the COPYRIGHT * file distributed with this source distribution. * * This program 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 * of the License, or (at your option) any later version. * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ #include "common/scummsys.h" #include "zvision/text.h" #include "zvision/truetype_font.h" #include "common/file.h" #include "common/tokenizer.h" #include "common/debug.h" #include "common/rect.h" #include "graphics/fontman.h" #include "graphics/colormasks.h" #include "graphics/surface.h" #include "graphics/font.h" #include "graphics/fonts/ttf.h" #include "zvision/render_manager.h" #include "zvision/script_manager.h" namespace ZVision { cTxtStyle::cTxtStyle() { fontname = "Arial"; blue = 255; green = 255; red = 255; bold = false; escapement = 0; italic = false; justify = TXT_JUSTIFY_LEFT; newline = false; size = 12; skipcolor = false; strikeout = false; underline = false; statebox = 0; } txtReturn cTxtStyle::parseStyle(const Common::String &strin, int16 ln) { Common::String buf = Common::String(strin.c_str(), ln); int8 retval = TXT_RET_NOTHING; Common::StringTokenizer tokenizer(buf, " "); Common::String token; while (!tokenizer.empty()) { token = tokenizer.nextToken(); if (token.matchString("font", true)) { token = tokenizer.nextToken(); if (token[0] == '"') { Common::String _tmp = Common::String(token.c_str() + 1); while (token.lastChar() != '"' && !tokenizer.empty()) { token = tokenizer.nextToken(); _tmp += " " + token; } if (_tmp.lastChar() == '"') _tmp.deleteLastChar(); fontname = _tmp; } else { if (!tokenizer.empty()) fontname = token; } retval |= TXT_RET_FNTCHG; } else if (token.matchString("blue", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); int32 tmp = atoi(token.c_str()); if (blue != tmp) { blue = tmp; retval |= TXT_RET_FNTSTL; } } } else if (token.matchString("red", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); int32 tmp = atoi(token.c_str()); if (red != tmp) { red = tmp; retval |= TXT_RET_FNTSTL; } } } else if (token.matchString("green", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); int32 tmp = atoi(token.c_str()); if (green != tmp) { green = tmp; retval |= TXT_RET_FNTSTL; } } } else if (token.matchString("newline", true)) { if ((retval & TXT_RET_NEWLN) == 0) newline = 0; newline++; retval |= TXT_RET_NEWLN; } else if (token.matchString("point", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); int32 tmp = atoi(token.c_str()); if (size != tmp) { size = tmp; retval |= TXT_RET_FNTCHG; } } } else if (token.matchString("escapement", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); int32 tmp = atoi(token.c_str()); escapement = tmp; } } else if (token.matchString("italic", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); if (token.matchString("on", true)) { if (italic != true) { italic = true; retval |= TXT_RET_FNTSTL; } } else if (token.matchString("off", true)) { if (italic != false) { italic = false; retval |= TXT_RET_FNTSTL; } } } } else if (token.matchString("underline", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); if (token.matchString("on", true)) { if (underline != true) { underline = true; retval |= TXT_RET_FNTSTL; } } else if (token.matchString("off", true)) { if (underline != false) { underline = false; retval |= TXT_RET_FNTSTL; } } } } else if (token.matchString("strikeout", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); if (token.matchString("on", true)) { if (strikeout != true) { strikeout = true; retval |= TXT_RET_FNTSTL; } } else if (token.matchString("off", true)) { if (strikeout != false) { strikeout = false; retval |= TXT_RET_FNTSTL; } } } } else if (token.matchString("bold", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); if (token.matchString("on", true)) { if (bold != true) { bold = true; retval |= TXT_RET_FNTSTL; } } else if (token.matchString("off", true)) { if (bold != false) { bold = false; retval |= TXT_RET_FNTSTL; } } } } else if (token.matchString("skipcolor", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); if (token.matchString("on", true)) { skipcolor = true; } else if (token.matchString("off", true)) { skipcolor = false; } } } else if (token.matchString("image", true)) { // Not used } else if (token.matchString("statebox", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); statebox = atoi(token.c_str()); retval |= TXT_RET_HASSTBOX; } } else if (token.matchString("justify", true)) { if (!tokenizer.empty()) { token = tokenizer.nextToken(); if (token.matchString("center", true)) justify = TXT_JUSTIFY_CENTER; else if (token.matchString("left", true)) justify = TXT_JUSTIFY_LEFT; else if (token.matchString("right", true)) justify = TXT_JUSTIFY_RIGHT; } } } return (txtReturn)retval; } void cTxtStyle::readAllStyle(const Common::String &txt) { int16 strt = -1; int16 endt = -1; for (uint16 i = 0; i < txt.size(); i++) { if (txt[i] == '<') strt = i; else if (txt[i] == '>') { endt = i; if (strt != -1) if ((endt - strt - 1) > 0) parseStyle(Common::String(txt.c_str() + strt + 1), endt - strt - 1); } } } void cTxtStyle::setFontStyle(sTTFont &font) { uint temp_stl = 0; if (bold) temp_stl |= sTTFont::STTF_BOLD; if (italic) temp_stl |= sTTFont::STTF_ITALIC; if (underline) temp_stl |= sTTFont::STTF_UNDERLINE; if (strikeout) temp_stl |= sTTFont::STTF_STRIKEOUT; font.setStyle(temp_stl); } void cTxtStyle::setFont(sTTFont &font) { uint temp_stl = 0; if (bold) temp_stl |= sTTFont::STTF_BOLD; if (italic) temp_stl |= sTTFont::STTF_ITALIC; if (underline) temp_stl |= sTTFont::STTF_UNDERLINE; if (strikeout) temp_stl |= sTTFont::STTF_STRIKEOUT; font.loadFont(fontname, size, temp_stl); } Graphics::Surface *textRenderer::render(sTTFont &fnt, const Common::String &txt, cTxtStyle &style) { style.setFontStyle(fnt); uint32 clr = _engine->_pixelFormat.RGBToColor(style.red, style.green, style.blue); return fnt.renderSolidText(txt, clr); } void textRenderer::drawTxtWithJustify(const Common::String &txt, sTTFont &fnt, uint32 color, Graphics::Surface &dst, int lineY, txtJustify justify) { if (justify == TXT_JUSTIFY_LEFT) fnt.drawString(&dst, txt, 0, lineY, dst.w, color, Graphics::kTextAlignLeft); else if (justify == TXT_JUSTIFY_CENTER) fnt.drawString(&dst, txt, 0, lineY, dst.w, color, Graphics::kTextAlignCenter); else if (justify == TXT_JUSTIFY_RIGHT) fnt.drawString(&dst, txt, 0, lineY, dst.w, color, Graphics::kTextAlignRight); } int32 textRenderer::drawTxt(const Common::String &txt, cTxtStyle &fnt_stl, Graphics::Surface &dst) { sTTFont font(_engine); fnt_stl.setFont(font); dst.fillRect(Common::Rect(dst.w, dst.h), 0); uint32 clr = _engine->_pixelFormat.RGBToColor(fnt_stl.red, fnt_stl.green, fnt_stl.blue); int16 w; w = font.getStringWidth(txt); drawTxtWithJustify(txt, font, clr, dst, fnt_stl.size, fnt_stl.justify); return w; } void textRenderer::drawTxtInOneLine(const Common::String &text, Graphics::Surface &dst) { const int16 TXT_CFG_TEXTURES_LINES = 256; // For now I don't want remake it const int TXT_CFG_TEXTURES_PER_LINE = 6; cTxtStyle style, style2; int16 strt = -1; int16 endt = -1; int16 i = 0; int16 dx = 0, dy = 0; int16 txt_w; int16 txtpos = 0; Common::String buf; Common::String buf2; Graphics::Surface *TxtSurfaces[TXT_CFG_TEXTURES_LINES][TXT_CFG_TEXTURES_PER_LINE]; int16 currentline = 0, currentlineitm = 0; int TxtJustify[TXT_CFG_TEXTURES_LINES]; int TxtPoint[TXT_CFG_TEXTURES_LINES]; for (int16 k = 0; k < TXT_CFG_TEXTURES_LINES; k++) { TxtPoint[k] = 0; for (int j = 0; j < TXT_CFG_TEXTURES_PER_LINE; j++) TxtSurfaces[k][j] = NULL; } int16 stringlen = text.size(); sTTFont font(_engine); style.setFont(font); int16 prevbufspace = 0, prevtxtspace = 0; while (i < stringlen) { TxtJustify[currentline] = style.justify; if (text[i] == '<') { int16 ret = 0; strt = i; while (i < stringlen && text[i] != '>') i++; endt = i; if (strt != -1) if ((endt - strt - 1) > 0) { style2 = style; ret = style.parseStyle(Common::String(text.c_str() + strt + 1), endt - strt - 1); } if (ret & (TXT_RET_FNTCHG | TXT_RET_FNTSTL | TXT_RET_NEWLN)) { if (buf.size() > 0) { txt_w = font.getStringWidth(buf); TxtSurfaces[currentline][currentlineitm] = render(font, buf, style2); TxtPoint[currentline] = MAX(font.getFontHeight(), TxtPoint[currentline]); currentlineitm++; buf.clear(); prevbufspace = 0; txtpos = 0; dx += txt_w; } if (ret & TXT_RET_FNTCHG) { style.setFont(font); } if (ret & TXT_RET_FNTSTL) style.setFontStyle(font); if (ret & TXT_RET_NEWLN) { currentline++; currentlineitm = 0; dx = 0; } } if (ret & TXT_RET_HASSTBOX) { Common::String buf3; buf3.format("%d", _engine->getScriptManager()->getStateValue(style.statebox)); buf += buf3; txtpos += buf3.size(); } } else { buf += text[i]; txtpos++; if (text[i] == ' ') { prevbufspace = txtpos - 1; prevtxtspace = i; } if (font.isLoaded()) { txt_w = font.getStringWidth(buf); if (txt_w + dx > dst.w) { if (prevbufspace == 0) { prevtxtspace = i; prevbufspace = txtpos - 1; } buf2 = Common::String(buf.c_str(), prevbufspace + 1); if (buf2.size() > 0) { TxtSurfaces[currentline][currentlineitm] = render(font, buf2, style); TxtPoint[currentline] = MAX(font.getFontHeight(), TxtPoint[currentline]); } buf.clear(); i = prevtxtspace; prevbufspace = 0; txtpos = 0; currentline++; currentlineitm = 0; dx = 0; } } } i++; } if (buf.size() > 0) { TxtSurfaces[currentline][currentlineitm] = render(font, buf, style); TxtPoint[currentline] = MAX(font.getFontHeight(), TxtPoint[currentline]); } dy = 0; for (i = 0; i <= currentline; i++) { int16 j = 0; int16 width = 0; while (TxtSurfaces[i][j] != NULL) { width += TxtSurfaces[i][j]->w; j++; } dx = 0; for (int32_t jj = 0; jj < j; jj++) { if (TxtJustify[i] == TXT_JUSTIFY_LEFT) _engine->getRenderManager()->blitSurfaceToSurface(*TxtSurfaces[i][jj], dst, dx, dy + TxtPoint[i] - TxtSurfaces[i][jj]->h, 0); else if (TxtJustify[i] == TXT_JUSTIFY_CENTER) _engine->getRenderManager()->blitSurfaceToSurface(*TxtSurfaces[i][jj], dst, ((dst.w - width) / 2) + dx, dy + TxtPoint[i] - TxtSurfaces[i][jj]->h, 0); else if (TxtJustify[i] == TXT_JUSTIFY_RIGHT) _engine->getRenderManager()->blitSurfaceToSurface(*TxtSurfaces[i][jj], dst, dst.w - width + dx, dy + TxtPoint[i] - TxtSurfaces[i][jj]->h, 0); dx += TxtSurfaces[i][jj]->w; } dy += TxtPoint[i]; } for (i = 0; i < TXT_CFG_TEXTURES_LINES; i++) for (int32_t j = 0; j < TXT_CFG_TEXTURES_PER_LINE; j++) if (TxtSurfaces[i][j] != NULL) { TxtSurfaces[i][j]->free(); delete TxtSurfaces[i][j]; } } Common::String readWideLine(Common::SeekableReadStream &stream) { Common::String asciiString; while (!stream.eos()) { uint32 value = stream.readUint16LE(); // Check for CRLF if (value == 0x0A0D) { // Read in the extra NULL char stream.readByte(); // \0 // End of the line. Break break; } // Crush each octet pair to a single octet with a simple cast if (value < 0x80) { asciiString += (char)(value & 0x7F); } else if (value >= 0x80 && value < 0x800) { asciiString += (char)(0xC0 | ((value >> 6) & 0x1F)); asciiString += (char)(0x80 | (value & 0x3F)); } else if (value >= 0x800 && value < 0x10000) { asciiString += (char)(0xE0 | ((value >> 12) & 0xF)); asciiString += (char)(0x80 | ((value >> 6) & 0x3F)); asciiString += (char)(0x80 | (value & 0x3F)); } else if (value >= 0x10000 && value < 0x200000) { asciiString += (char)(0xF0); asciiString += (char)(0x80 | ((value >> 12) & 0x3F)); asciiString += (char)(0x80 | ((value >> 6) & 0x3F)); asciiString += (char)(0x80 | (value & 0x3F)); } } return asciiString; } } // End of namespace ZVision