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-rw-r--r--engines/cryomni3d/font_manager.cpp340
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diff --git a/engines/cryomni3d/font_manager.cpp b/engines/cryomni3d/font_manager.cpp
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+/* 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/debug.h"
+#include "common/file.h"
+#include "graphics/managed_surface.h"
+
+#include "engines/cryomni3d/font_manager.h"
+
+namespace CryOmni3D {
+
+FontManager::FontManager() : _currentFont(nullptr), _transparentBackground(false),
+ _spaceWidth(0), _charSpacing(0), _lineHeight(30), _foreColor(0), _blockTextRemaining(nullptr) {
+}
+
+FontManager::~FontManager() {
+ for (Common::Array<Font *>::iterator it = _fonts.begin(); it != _fonts.end(); it++) {
+ delete *it;
+ }
+}
+
+void FontManager::loadFonts(const Common::Array<Common::String> &fontFiles) {
+ _fonts.reserve(_fonts.size() + fontFiles.size());
+
+ for (Common::Array<Common::String>::const_iterator it = fontFiles.begin(); it != fontFiles.end();
+ it++) {
+ Common::File font_fl;
+ //debug("Open font file %s", it->c_str());
+ if (!font_fl.open(*it)) {
+ error("Can't open file %s", it->c_str());
+ }
+ loadFont(font_fl);
+ }
+}
+
+void FontManager::loadFont(Common::ReadStream &font_fl) {
+ byte magic[8];
+
+ font_fl.read(magic, sizeof(magic));
+ if (memcmp(magic, "CRYOFONT", 8)) {
+ error("Invalid font magic");
+ }
+
+ // 3 unknown uint16
+ font_fl.readUint16BE();
+ font_fl.readUint16BE();
+ font_fl.readUint16BE();
+
+ Font *font = new Font();
+
+ font->maxHeight = font_fl.readSint16BE();
+ //debug("Max char height %d", font.maxHeight);
+
+ font_fl.read(font->comment, sizeof(font->comment));
+ //debug("Comment %s", font.comment);
+
+ for (unsigned int i = 0; i < Font::kCharactersCount; i++) {
+ uint16 h = font_fl.readUint16BE();
+ uint16 w = font_fl.readUint16BE();
+ unsigned int sz = font->chars[i].setup(w, h);
+ //debug("Char %d sz %dx%d %d", i, w, h, sz);
+ font->chars[i].offX = font_fl.readSint16BE();
+ font->chars[i].offY = font_fl.readSint16BE();
+ font->chars[i].printedWidth = font_fl.readUint16BE();
+ //debug("Char %d offX %d offY %d PW %d", i, font.chars[i].offX, font.chars[i].offY, font.chars[i].printedWidth);
+
+ font_fl.read(font->chars[i].data, sz);
+ //debug("Char %d read %d", i, v);
+ }
+
+ _fonts.push_back(font);
+}
+
+void FontManager::setCurrentFont(int currentFont) {
+ if (currentFont == -1) {
+ currentFont = 0;
+ }
+ _currentFontId = currentFont;
+ _currentFont = _fonts[currentFont];
+
+ setSpaceWidth(0);
+}
+
+void FontManager::setSpaceWidth(unsigned int additionalSpace) {
+ if (_currentFont) {
+ _spaceWidth = additionalSpace + _currentFont->chars[0].printedWidth;
+ } else {
+ _spaceWidth = 0;
+ }
+}
+
+unsigned int FontManager::displayStr_(unsigned int x, unsigned int y,
+ const Common::String &text) const {
+ unsigned int offset = 0;
+ for (Common::String::const_iterator it = text.begin(); it != text.end(); it++) {
+ offset += displayChar(x + offset, y, *it);
+ }
+ return offset;
+}
+
+unsigned int FontManager::displayChar(unsigned int x, unsigned int y, unsigned char c) const {
+ if (!_currentFont) {
+ error("There is no current font");
+ }
+ if (!_currentSurface) {
+ error("There is no current surface");
+ }
+
+ if (c < ' ' || c >= 255) {
+ c = '?';
+ }
+ c -= 32;
+
+ const Character &char_ = _currentFont->chars[c];
+ int realX = x + char_.offX;
+ int realY = y + char_.offY + _currentFont->maxHeight - 2;
+
+ if (!_transparentBackground) {
+ _currentSurface->fillRect(Common::Rect(realX, realY, realX + char_.w, realY + char_.h), 0xff);
+ }
+ Graphics::Surface src;
+ src.init(char_.w, char_.h, char_.w, char_.data, Graphics::PixelFormat::createFormatCLUT8());
+ _currentSurface->transBlitFrom(src, Common::Point(realX, realY), 0, false, _foreColor);
+
+ // WORKAROUND: in Versailles game the space width is calculated differently in this function and in the getStrWidth one, let's try to be consistent
+#define KEEP_SPACE_BUG
+#ifndef KEEP_SPACE_BUG
+ if (c == 0) {
+ return _spaceWidth;
+ } else {
+ return _charSpacing + char_.printedWidth;
+ }
+#else
+ return _charSpacing + char_.printedWidth;
+#endif
+}
+
+unsigned int FontManager::getStrWidth(const Common::String &text) const {
+ unsigned int width = 0;
+ for (Common::String::const_iterator it = text.begin(); it != text.end(); it++) {
+ unsigned char c = *it;
+ if (c == ' ') {
+ width += _spaceWidth;
+ } else {
+ if (c < ' ' || c >= 255) {
+ c = '?';
+ }
+ c -= 32;
+ width += _charSpacing;
+ width += _currentFont->chars[c].printedWidth;
+ }
+ }
+ return width;
+}
+
+bool FontManager::displayBlockText(const Common::String &text,
+ Common::String::const_iterator begin) {
+ bool notEnoughSpace = false;
+ Common::String::const_iterator ptr = begin;
+ Common::Array<Common::String> words;
+
+ if (begin != text.end()) {
+ _blockTextRemaining = nullptr;
+ while (ptr != text.end() && !notEnoughSpace) {
+ unsigned int finalPos;
+ bool has_cr;
+ calculateWordWrap(text, &ptr, &finalPos, &has_cr, words);
+ unsigned int spacesWidth = (words.size() - 1) * _spaceWidth;
+ unsigned int remainingSpace = (_blockRect.right - finalPos);
+ unsigned int spaceConsumed = 0;
+ double spaceWidthPerWord;
+ if (words.size() == 1) {
+ spaceWidthPerWord = _spaceWidth;
+ } else {
+ spaceWidthPerWord = (double)spacesWidth / (double)words.size();
+ }
+ Common::Array<Common::String>::const_iterator word;
+ unsigned int word_i;
+ for (word = words.begin(), word_i = 0; word != words.end(); word++, word_i++) {
+ _blockPos.x += displayStr_(_blockPos.x, _blockPos.y, *word);
+ if (!_justifyText || has_cr) {
+ _blockPos.x += _spaceWidth;
+ } else {
+ double sp = (word_i + 1) * spaceWidthPerWord - spaceConsumed;
+ _blockPos.x += sp;
+ spaceConsumed += sp;
+ remainingSpace -= sp;
+ }
+ }
+ if (_blockPos.y + _lineHeight + getFontMaxHeight() >= _blockRect.bottom) {
+ notEnoughSpace = true;
+ _blockTextRemaining = ptr;
+ } else {
+ _blockPos.x = _blockRect.left;
+ _blockPos.y += _lineHeight;
+ }
+ }
+ }
+ return notEnoughSpace;
+}
+
+unsigned int FontManager::getLinesCount(const Common::String &text, unsigned int width) {
+ if (text.size() == 0) {
+ // One line even if it's empty
+ return 1;
+ }
+ if (text.size() > 1024) {
+ // Too long text, be lazy
+ return getStrWidth(text) / width + 3;
+ }
+
+ unsigned int lineCount = 0;
+ Common::String::const_iterator textP = text.begin();
+ unsigned int len = text.size();
+
+ while (len > 0) {
+ Common::String buffer;
+ unsigned int lineWidth = 0;
+ lineCount++;
+ while (lineWidth < width && len > 0 && *textP != '\r') {
+ buffer += *(textP++);
+ len--;
+ lineWidth = getStrWidth(buffer);
+ }
+
+ if (lineWidth >= width) {
+ // We overrun the line, get backwards
+ while (buffer.size()) {
+ if (buffer[buffer.size() - 1] == ' ') {
+ break;
+ }
+ buffer.deleteLastChar();
+ textP--;
+ len++;
+ }
+ if (!buffer.size()) {
+ // Word was too long: fail
+ return 0;
+ }
+ if (*textP == ' ') {
+ textP++;
+ }
+ // Continue with next line
+ continue;
+ }
+
+ if (len == 0) {
+ // Job is finished
+ break;
+ }
+ if (*textP == '\r') {
+ // Next line
+ len--;
+ textP++;
+ }
+ }
+ return lineCount;
+}
+
+void FontManager::calculateWordWrap(const Common::String &text,
+ Common::String::const_iterator *position, unsigned int *finalPos, bool *hasCr,
+ Common::Array<Common::String> &words) const {
+ *hasCr = false;
+ unsigned int offset = 0;
+ bool wordWrap = false;
+ unsigned int lineWidth = _blockRect.right - _blockRect.left;
+ Common::String::const_iterator ptr = *position;
+
+ words.clear();
+
+ if (ptr == text.end() || *ptr == '\r') {
+ ptr++;
+ *hasCr = true;
+ *position = ptr;
+ *finalPos = offset;
+ return;
+ }
+
+ while (!wordWrap) {
+ Common::String::const_iterator begin = ptr;
+ for (; ptr != text.end() && *ptr != '\r' && *ptr != ' '; ptr++) { }
+ Common::String word(begin, ptr);
+ unsigned int width = getStrWidth(word);
+ if (width + offset >= lineWidth) {
+ wordWrap = true;
+ // word is too long: just put pointer back at begining
+ ptr = begin;
+ } else {
+ words.push_back(word);
+ offset += width + _spaceWidth;
+ for (; ptr != text.end() && *ptr == ' '; ptr++) { }
+ for (; ptr != text.end() && *ptr == '\r'; ptr++) {
+ wordWrap = true;
+ *hasCr = true;
+ }
+ }
+ }
+
+ if (words.size() > 0) {
+ offset -= _spaceWidth;
+ }
+ *finalPos = offset;
+ *position = ptr;
+}
+
+FontManager::Character::Character() : h(0), w(0), offX(0), offY(0), printedWidth(0), data(0) {
+}
+
+FontManager::Character::~Character() {
+ delete[] data;
+}
+
+unsigned int FontManager::Character::setup(uint16 width, uint16 height) {
+ w = width;
+ h = height;
+ unsigned int sz = w * h;
+ data = new byte[sz];
+ return sz;
+}
+
+} // End of namespace CryOmni3D
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