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-rw-r--r--engines/zvision/text.cpp549
1 files changed, 549 insertions, 0 deletions
diff --git a/engines/zvision/text.cpp b/engines/zvision/text.cpp
new file mode 100644
index 0000000000..2fdfafcdf6
--- /dev/null
+++ b/engines/zvision/text.cpp
@@ -0,0 +1,549 @@
+/* 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;
+ sharp = false;
+}
+
+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;
+
+ if (sharp)
+ temp_stl |= sTTFont::STTF_SHARP;
+
+ 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;
+
+ if (sharp)
+ temp_stl |= sTTFont::STTF_SHARP;
+
+ 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;
+}
+
+int8 getUtf8CharSize(char chr) {
+ if ((chr & 0x80) == 0)
+ return 1;
+ else if ((chr & 0xE0) == 0xC0)
+ return 2;
+ else if ((chr & 0xF0) == 0xE0)
+ return 3;
+ else if ((chr & 0xF8) == 0xF0)
+ return 4;
+ else if ((chr & 0xFC) == 0xF8)
+ return 5;
+ else if ((chr & 0xFE) == 0xFC)
+ return 6;
+
+ return 1;
+}
+
+uint16 readUtf8Char(const char *chr) {
+ uint16 result = 0;
+ if ((chr[0] & 0x80) == 0)
+ result = chr[0];
+ else if ((chr[0] & 0xE0) == 0xC0)
+ result = ((chr[0] & 0x1F) << 6) | (chr[1] & 0x3F);
+ else if ((chr[0] & 0xF0) == 0xE0)
+ result = ((chr[0] & 0x0F) << 12) | ((chr[1] & 0x3F) << 6) | (chr[2] & 0x3F);
+ else
+ result = chr[0];
+
+ return result;
+}
+
+} // End of namespace ZVision
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