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https://github.com/libretro/scummvm.git
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588 lines
15 KiB
C++
588 lines
15 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "graphics/macgui/macfontmanager.h"
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#include "graphics/macgui/mactext.h"
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#include "graphics/macgui/macwindowmanager.h"
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#include "graphics/font.h"
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namespace Graphics {
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const Font *MacFontRun::getFont() {
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if (font)
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return font;
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MacFont macFont = MacFont(fontId, fontSize, textSlant);
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font = wm->_fontMan->getFont(macFont);
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return font;
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}
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const Common::String MacFontRun::toString() {
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return Common::String::format("\001\015%c%c%c%c%c%c%c%c%c%c%c",
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(fontId >> 8) & 0xff, fontId & 0xff,
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textSlant & 0xff,
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(fontSize >> 8) & 0xff, fontSize & 0xff,
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(palinfo1 >> 8) & 0xff, palinfo1 & 0xff,
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(palinfo2 >> 8) & 0xff, palinfo2 & 0xff,
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(palinfo3 >> 8) & 0xff, palinfo3 & 0xff);
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}
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MacText::~MacText() {
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delete _surface;
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delete _macFont;
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}
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MacText::MacText(Common::String s, MacWindowManager *wm, const MacFont *macFont, int fgcolor, int bgcolor, int maxWidth, TextAlign textAlignment, int interlinear) {
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_str = s;
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_wm = wm;
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_macFont = macFont;
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_fgcolor = fgcolor;
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_bgcolor = bgcolor;
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_maxWidth = maxWidth;
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_textMaxWidth = 0;
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_textMaxHeight = 0;
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_surface = nullptr;
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_textAlignment = textAlignment;
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_interLinear = interlinear;
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if (macFont) {
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_defaultFormatting.font = wm->_fontMan->getFont(*macFont);
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} else {
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_defaultFormatting.font = NULL;
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}
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_defaultFormatting.wm = wm;
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_currentFormatting = _defaultFormatting;
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if (!_str.empty())
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splitString(_str);
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recalcDims();
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_fullRefresh = true;
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}
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void MacText::setMaxWidth(int maxWidth) {
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_maxWidth = maxWidth;
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_textLines.clear();
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if (!_str.empty()) {
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splitString(_str);
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recalcDims();
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_fullRefresh = true;
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}
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}
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void MacText::splitString(Common::String &str) {
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const char *s = str.c_str();
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Common::String tmp;
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bool prevCR = false;
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if (_textLines.empty()) {
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_textLines.resize(1);
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_textLines[0].chunks.push_back(_defaultFormatting);
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}
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int curLine = _textLines.size() - 1;
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int curChunk = _textLines[curLine].chunks.size() - 1;
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bool nextChunk = false;
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MacFontRun previousFormatting;
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while (*s) {
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#if DEBUG
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for (uint i = 0; i < _textLines.size(); i++) {
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debugN(7, "%2d ", i);
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for (uint j = 0; j < _textLines[i].chunks.size(); j++)
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debugN(7, "[%d] \"%s\"", _textLines[i].chunks[j].fontId, _textLines[i].chunks[j].text.c_str());
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debug(7, " --> %c %d, '%s'", (*s > 0x20 ? *s : ' '), (byte)*s, tmp.c_str());
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}
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#endif
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if (*s == '\001') {
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s++;
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if (*s == '\001') {
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// Copy it verbatim
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} else {
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if (*s++ != '\015')
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error("MacText: formatting error");
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uint16 fontId = *s++; fontId = (fontId << 8) | *s++;
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byte textSlant = *s++;
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uint16 fontSize = *s++; fontSize = (fontSize << 8) | *s++;
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uint16 palinfo1 = *s++; palinfo1 = (palinfo1 << 8) | *s++;
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uint16 palinfo2 = *s++; palinfo2 = (palinfo2 << 8) | *s++;
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uint16 palinfo3 = *s++; palinfo3 = (palinfo3 << 8) | *s++;
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debug(8, "******** splitString: fontId: %d, textSlant: %d, fontSize: %d, p0: %x p1: %x p2: %x",
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fontId, textSlant, fontSize, palinfo1, palinfo2, palinfo3);
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previousFormatting = _currentFormatting;
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_currentFormatting.setValues(_wm, fontId, textSlant, fontSize, palinfo1, palinfo2, palinfo3);
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if (curLine == 0 && curChunk == 0 && tmp.empty())
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previousFormatting = _currentFormatting;
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nextChunk = true;
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}
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} else if (*s == '\n' && prevCR) { // trean \r\n as one
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prevCR = false;
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s++;
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continue;
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} else if (*s == '\r') {
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prevCR = true;
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}
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if (*s == '\r' || *s == '\n' || nextChunk) {
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Common::Array<Common::String> text;
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if (!nextChunk)
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previousFormatting = _currentFormatting;
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int w = getLineWidth(curLine, true);
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previousFormatting.getFont()->wordWrapText(tmp, _maxWidth, text, w);
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tmp.clear();
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if (text.size()) {
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for (uint i = 0; i < text.size(); i++) {
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_textLines[curLine].chunks[curChunk].text += text[i];
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if ((text.size() > 1 || !nextChunk) && !(i == text.size() - 1 && nextChunk)) {
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curLine++;
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_textLines.resize(curLine + 1);
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_textLines[curLine].chunks.push_back(previousFormatting);
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curChunk = 0;
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}
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}
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if (nextChunk) {
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curChunk++;
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_textLines[curLine].chunks.push_back(_currentFormatting);
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} else {
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_textLines[curLine].chunks[0] = _currentFormatting;
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}
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} else {
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if (nextChunk) { // No text, replacing formatting
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_textLines[curLine].chunks[curChunk] = _currentFormatting;
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} else { // Otherwise it is an empty line
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curLine++;
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_textLines.resize(curLine + 1);
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_textLines[curLine].chunks.push_back(previousFormatting);
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curChunk = 0;
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}
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}
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if (!nextChunk) // Don't skip next character
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s++;
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nextChunk = false;
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continue;
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}
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tmp += *s;
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s++;
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}
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if (tmp.size()) {
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Common::Array<Common::String> text;
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int w = getLineWidth(curLine, true);
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_currentFormatting.getFont()->wordWrapText(tmp, _maxWidth, text, w);
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_textLines[curLine].chunks[curChunk].text = text[0];
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if (text.size() > 1) {
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for (uint i = 1; i < text.size(); i++) {
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curLine++;
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_textLines.resize(curLine + 1);
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_textLines[curLine].chunks.push_back(_currentFormatting);
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_textLines[curLine].chunks[0].text = text[i];
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}
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}
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}
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}
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void MacText::reallocSurface() {
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// round to closest 10
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//TODO: work out why this rounding doesn't correctly fill the entire width
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//int requiredH = (_text.size() + (_text.size() * 10 + 9) / 10) * lineH
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if (!_surface) {
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_surface = new ManagedSurface(_textMaxWidth, _textMaxHeight);
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return;
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}
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if (_surface->w < _textMaxWidth || _surface->h < _textMaxHeight) {
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// realloc surface and copy old content
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ManagedSurface *n = new ManagedSurface(_textMaxWidth, _textMaxHeight);
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n->clear(_bgcolor);
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n->blitFrom(*_surface, Common::Point(0, 0));
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delete _surface;
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_surface = n;
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}
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}
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void MacText::render() {
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if (_fullRefresh) {
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render(0, _textLines.size());
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_fullRefresh = false;
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}
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}
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void MacText::render(int from, int to) {
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reallocSurface();
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from = MAX<int>(0, from);
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to = MIN<int>(to, _textLines.size() - 1);
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// Clear the screen
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_surface->fillRect(Common::Rect(0, _textLines[from].y, _surface->w, _textLines[to].y + getLineHeight(to)), _bgcolor);
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for (int i = from; i <= to; i++) {
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int xOffset = 0;
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if (_textAlignment == kTextAlignRight)
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xOffset = _textMaxWidth - getLineWidth(i);
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else if (_textAlignment == kTextAlignCenter)
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xOffset = (_textMaxWidth / 2) - (getLineWidth(i) / 2);
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// TODO: _textMaxWidth, when -1, was not rendering ANY text.
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for (uint j = 0; j < _textLines[i].chunks.size(); j++) {
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debug(5, "line %d[%d]/%d at %d,%d (%s)", i, j, xOffset, _textLines[i].chunks[j].fontId, _textLines[i].y, _textLines[i].chunks[j].text.c_str());
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if (_textLines[i].chunks[j].text.empty())
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continue;
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_textLines[i].chunks[j].getFont()->drawString(_surface, _textLines[i].chunks[j].text, xOffset, _textLines[i].y, _maxWidth, _fgcolor);
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xOffset += _textLines[i].chunks[j].getFont()->getStringWidth(_textLines[i].chunks[j].text);
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}
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}
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for (uint i = 0; i < _textLines.size(); i++) {
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debugN(4, "%2d ", i);
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for (uint j = 0; j < _textLines[i].chunks.size(); j++)
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debugN(4, "[%d (%d)] \"%s\" ", _textLines[i].chunks[j].fontId, _textLines[i].chunks[j].textSlant, _textLines[i].chunks[j].text.c_str());
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debug(4, "%s", "");
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}
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}
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int MacText::getLineWidth(int line, bool enforce) {
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if ((uint)line >= _textLines.size())
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return 0;
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if (_textLines[line].width != -1 && !enforce)
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return _textLines[line].width;
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int width = 0;
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int height = 0;
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for (uint i = 0; i < _textLines[line].chunks.size(); i++) {
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if (enforce)
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_textLines[line].chunks[i].font = nullptr;
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if (!_textLines[line].chunks[i].text.empty())
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width += _textLines[line].chunks[i].getFont()->getStringWidth(_textLines[line].chunks[i].text);
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height = MAX(height, _textLines[line].chunks[i].getFont()->getFontHeight());
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}
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_textLines[line].width = width;
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_textLines[line].height = height;
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return width;
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}
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int MacText::getLineHeight(int line) {
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if ((uint)line >= _textLines.size())
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return 0;
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getLineWidth(line); // This calculates height also
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return _textLines[line].height;
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}
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void MacText::setInterLinear(int interLinear) {
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_interLinear = interLinear;
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recalcDims();
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}
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void MacText::recalcDims() {
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int y = 0;
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_textMaxWidth = 0;
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for (uint i = 0; i < _textLines.size(); i++) {
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_textLines[i].y = y;
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y += getLineHeight(i) + _interLinear;
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_textMaxWidth = MAX(_textMaxWidth, getLineWidth(i, true));
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}
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_textMaxHeight = y - _interLinear;
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}
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void MacText::draw(ManagedSurface *g, int x, int y, int w, int h, int xoff, int yoff) {
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if (_textLines.empty())
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return;
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render();
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if (x + w < _surface->w || y + h < _surface->h) {
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g->fillRect(Common::Rect(x, y, x + w, y + w), _bgcolor);
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}
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g->blitFrom(*_surface, Common::Rect(MIN<int>(_surface->w, x), MIN<int>(_surface->h, y),
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MIN<int>(_surface->w, x + w), MIN<int>(_surface->h, y + h)),
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Common::Point(xoff, yoff));
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}
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// Count newline characters in String
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uint getNewlinesInString(const Common::String &str) {
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Common::String::const_iterator p = str.begin();
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uint newLines = 0;
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while (*p) {
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if (*p == '\n')
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newLines++;
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p++;
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}
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return newLines;
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}
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void MacText::appendText(Common::String str, int fontId, int fontSize, int fontSlant, bool skipAdd) {
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uint oldLen = _textLines.size();
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MacFontRun fontRun = MacFontRun(_wm, fontId, fontSlant, fontSize, 0, 0, 0);
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_currentFormatting = fontRun;
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if (!skipAdd) {
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_str += fontRun.toString();
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_str += str;
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}
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splitString(str);
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recalcDims();
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render(oldLen - 1, _textLines.size());
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}
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void MacText::appendTextDefault(Common::String str, bool skipAdd) {
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uint oldLen = _textLines.size();
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_currentFormatting = _defaultFormatting;
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if (!skipAdd) {
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_str += _defaultFormatting.toString();
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_str += str;
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}
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splitString(str);
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recalcDims();
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render(oldLen - 1, _textLines.size());
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}
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void MacText::clearText() {
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_textLines.clear();
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_str.clear();
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if (_surface)
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_surface->clear(_bgcolor);
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recalcDims();
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}
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void MacText::replaceLastLine(Common::String str) {
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int oldLen = MAX<int>(0, _textLines.size() - 1);
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// TODO: Recalc length, adapt to _textLines
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if (_textLines.size())
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_textLines.pop_back();
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splitString(str);
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recalcDims();
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render(oldLen, _textLines.size());
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}
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void MacText::removeLastLine() {
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if (!_textLines.size())
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return;
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int h = getLineHeight(_textLines.size() - 1) + _interLinear;
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_surface->fillRect(Common::Rect(0, _textMaxHeight - h, _surface->w, _textMaxHeight), _bgcolor);
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_textLines.pop_back();
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_textMaxHeight -= h;
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}
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void MacText::getRowCol(int x, int y, int *sx, int *sy, int *row, int *col) {
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if (y > _textMaxHeight) {
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x = _surface->w;
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}
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y = CLIP(y, 0, _textMaxHeight);
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// FIXME: We should use bsearch() here
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*row = _textLines.size() - 1;
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while (*row && _textLines[*row].y > y)
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(*row)--;
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*sy = _textLines[*row].y;
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*col = 0;
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int width = 0, pwidth = 0;
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int mcol = 0, pmcol = 0;
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uint chunk;
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for (chunk = 0; chunk < _textLines[*row].chunks.size(); chunk++) {
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pwidth = width;
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pmcol = mcol;
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if (!_textLines[*row].chunks[chunk].text.empty()) {
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width += _textLines[*row].chunks[chunk].getFont()->getStringWidth(_textLines[*row].chunks[chunk].text);
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mcol += _textLines[*row].chunks[chunk].text.size();
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}
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if (width > x)
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break;
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}
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if (chunk == _textLines[*row].chunks.size())
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chunk--;
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Common::String str = _textLines[*row].chunks[chunk].text;
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*col = mcol;
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for (int i = str.size(); i >= 0; i--) {
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int strw = _textLines[*row].chunks[chunk].getFont()->getStringWidth(str);
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if (strw + pwidth < x) {
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*col = pmcol + i;
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*sx = strw + pwidth;
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break;
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}
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str.deleteLastChar();
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}
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}
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Common::String MacText::getTextChunk(int startRow, int startCol, int endRow, int endCol, bool formatted, bool newlines) {
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Common::String res;
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startRow = CLIP(startRow, 0, (int)_textLines.size() - 1);
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endRow = CLIP(endRow, 0, (int)_textLines.size() - 1);
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for (int i = startRow; i <= endRow; i++) {
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if (i == startRow && i == endRow) {
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for (uint chunk = 0; chunk < _textLines[i].chunks.size(); chunk++) {
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if (startCol <= 0) {
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if (formatted)
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res += _textLines[i].chunks[chunk].toString();
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if (endCol >= (int)_textLines[i].chunks[chunk].text.size())
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res += _textLines[i].chunks[chunk].text;
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else
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res += Common::String(_textLines[i].chunks[chunk].text.c_str(), endCol);
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} else if ((int)_textLines[i].chunks[chunk].text.size() > startCol) {
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if (formatted)
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res += _textLines[i].chunks[chunk].toString();
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res += Common::String(_textLines[i].chunks[chunk].text.c_str() + startCol, endCol - startCol);
|
|
}
|
|
|
|
startCol -= _textLines[i].chunks[chunk].text.size();
|
|
endCol -= _textLines[i].chunks[chunk].text.size();
|
|
|
|
if (endCol <= 0)
|
|
break;
|
|
}
|
|
} else if (i == startRow && startCol != 0) {
|
|
for (uint chunk = 0; chunk < _textLines[i].chunks.size(); chunk++) {
|
|
if (startCol <= 0) {
|
|
if (formatted)
|
|
res += _textLines[i].chunks[chunk].toString();
|
|
|
|
res += _textLines[i].chunks[chunk].text;
|
|
} else if ((int)_textLines[i].chunks[chunk].text.size() > startCol) {
|
|
if (formatted)
|
|
res += _textLines[i].chunks[chunk].toString();
|
|
|
|
res += Common::String(_textLines[i].chunks[chunk].text.c_str() + startCol);
|
|
}
|
|
|
|
startCol -= _textLines[i].chunks[chunk].text.size();
|
|
}
|
|
if (newlines)
|
|
res += '\n';
|
|
else
|
|
res += ' ';
|
|
} else if (i == endRow) {
|
|
for (uint chunk = 0; chunk < _textLines[i].chunks.size(); chunk++) {
|
|
if (formatted)
|
|
res += _textLines[i].chunks[chunk].toString();
|
|
|
|
if (endCol >= (int)_textLines[i].chunks[chunk].text.size())
|
|
res += _textLines[i].chunks[chunk].text;
|
|
else
|
|
res += Common::String(_textLines[i].chunks[chunk].text.c_str(), endCol);
|
|
|
|
endCol -= _textLines[i].chunks[chunk].text.size();
|
|
|
|
if (endCol <= 0)
|
|
break;
|
|
}
|
|
} else {
|
|
for (uint chunk = 0; chunk < _textLines[i].chunks.size(); chunk++) {
|
|
if (formatted)
|
|
res += _textLines[i].chunks[chunk].toString();
|
|
|
|
res += _textLines[i].chunks[chunk].text;
|
|
}
|
|
|
|
if (newlines)
|
|
res += '\n';
|
|
else
|
|
res += ' ';
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
} // End of namespace Graphics
|