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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 "graphics/macgui/macfontmanager.h"
#include "graphics/macgui/mactext.h"
#include "graphics/macgui/macwindowmanager.h"
#include "graphics/font.h"
namespace Graphics {
const Font *MacFontRun::getFont() {
if (font)
return font;
MacFont macFont = MacFont(fontId, fontSize, textSlant);
font = wm->_fontMan->getFont(macFont);
return font;
}
MacText::~MacText(){
delete _macFont;
}
MacText::MacText(Common::String s, MacWindowManager *wm, const MacFont *macFont, int fgcolor, int bgcolor, int maxWidth, TextAlign textAlignment, int interlinear) {
_str = s;
_wm = wm;
_macFont = macFont;
_fgcolor = fgcolor;
_bgcolor = bgcolor;
_maxWidth = maxWidth;
_textMaxWidth = 0;
_textMaxHeight = 0;
_surface = nullptr;
_textAlignment = textAlignment;
_interLinear = interlinear;
if (macFont) {
_defaultFormatting.font = wm->_fontMan->getFont(*macFont);
} else {
_defaultFormatting.font = NULL;
}
_defaultFormatting.wm = wm;
_currentFormatting = _defaultFormatting;
splitString(_str);
recalcDims();
_fullRefresh = true;
}
void MacText::splitString(Common::String &str) {
const char *s = str.c_str();
Common::String tmp;
bool prevCR = false;
if (_textLines.empty()) {
_textLines.resize(1);
_textLines[0].chunks.push_back(_defaultFormatting);
}
int curLine = _textLines.size() - 1;
int curChunk = _textLines[curLine].chunks.size() - 1;
bool nextChunk = false;
MacFontRun previousFormatting;
while (*s) {
#if DEBUG
for (uint i = 0; i < _textLines.size(); i++) {
debugN(7, "%2d ", i);
for (uint j = 0; j < _textLines[i].chunks.size(); j++)
debugN(7, "[%d] \"%s\"", _textLines[i].chunks[j].fontId, _textLines[i].chunks[j].text.c_str());
debug(7, " --> %c %d, '%s'", (*s > 0x20 ? *s : ' '), (byte)*s, tmp.c_str());
}
#endif
if (*s == '\001') {
s++;
if (*s == '\001') {
// Copy it verbatim
} else {
if (*s++ != '\015')
error("MacText: formatting error");
uint16 fontId = *s++; fontId = (fontId << 8) | *s++;
byte textSlant = *s++;
byte unk3f = *s++;
uint16 fontSize = *s++; fontSize = (fontSize << 8) | *s++;
uint16 palinfo1 = *s++; palinfo1 = (palinfo1 << 8) | *s++;
uint16 palinfo2 = *s++; palinfo2 = (palinfo2 << 8) | *s++;
uint16 palinfo3 = *s++; palinfo3 = (palinfo3 << 8) | *s++;
debug(8, "******** splitString: fontId: %d, textSlant: %d, unk3: %d, fontSize: %d, p0: %x p1: %x p2: %x",
fontId, textSlant, unk3f, fontSize, palinfo1, palinfo2, palinfo3);
previousFormatting = _currentFormatting;
_currentFormatting.setValues(_wm, fontId, textSlant, unk3f, fontSize, palinfo1, palinfo2, palinfo3);
if (curLine == 0 && curChunk == 0 && tmp.empty())
previousFormatting = _currentFormatting;
nextChunk = true;
}
} else if (*s == '\n' && prevCR) { // trean \r\n as one
prevCR = false;
s++;
continue;
} else if (*s == '\r') {
prevCR = true;
}
if (*s == '\r' || *s == '\n' || nextChunk) {
Common::Array<Common::String> text;
if (!nextChunk)
previousFormatting = _currentFormatting;
int w = getLineWidth(curLine, true);
previousFormatting.getFont()->wordWrapText(tmp, _maxWidth, text, w);
tmp.clear();
if (text.size()) {
for (uint i = 0; i < text.size(); i++) {
_textLines[curLine].chunks[curChunk].text = text[i];
if ((text.size() > 1 || !nextChunk) && !(i == text.size() - 1 && nextChunk)) {
curLine++;
_textLines.resize(curLine + 1);
_textLines[curLine].chunks.push_back(previousFormatting);
curChunk = 0;
}
}
if (nextChunk) {
curChunk++;
_textLines[curLine].chunks.push_back(_currentFormatting);
} else {
_textLines[curLine].chunks[0] = _currentFormatting;
}
} else {
if (nextChunk) { // No text, replacing formatting
_textLines[curLine].chunks[curChunk] = _currentFormatting;
} else { // Otherwise it is an empty line
curLine++;
_textLines.resize(curLine + 1);
_textLines[curLine].chunks.push_back(previousFormatting);
curChunk = 0;
}
}
if (!nextChunk) // Don't skip next character
s++;
nextChunk = false;
continue;
}
tmp += *s;
s++;
}
if (tmp.size()) {
Common::Array<Common::String> text;
int w = getLineWidth(curLine, true);
_currentFormatting.getFont()->wordWrapText(tmp, _maxWidth, text, w);
_textLines[curLine].chunks[curChunk].text = text[0];
if (text.size() > 1) {
for (uint i = 1; i < text.size(); i++) {
curLine++;
_textLines.resize(curLine + 1);
_textLines[curLine].chunks.push_back(_currentFormatting);
_textLines[curLine].chunks[0].text = text[i];
}
}
}
}
void MacText::reallocSurface() {
// round to closest 10
//TODO: work out why this rounding doesn't correctly fill the entire width
//int requiredH = (_text.size() + (_text.size() * 10 + 9) / 10) * lineH
if (!_surface) {
_surface = new ManagedSurface(_textMaxWidth, _textMaxHeight);
return;
}
if (_surface->w < _textMaxWidth || _surface->h < _textMaxHeight) {
// realloc surface and copy old content
ManagedSurface *n = new ManagedSurface(_textMaxWidth, _textMaxHeight);
n->blitFrom(*_surface, Common::Point(0, 0));
delete _surface;
_surface = n;
}
}
void MacText::render() {
if (_fullRefresh) {
render(0, _textLines.size());
_fullRefresh = false;
}
}
void MacText::render(int from, int to) {
reallocSurface();
from = MAX<int>(0, from);
to = MIN<int>(to, _textLines.size() - 1);
// Clear the screen
_surface->fillRect(Common::Rect(0, _textLines[from].y, _surface->w, _textLines[to].y + getLineHeight(to)), _bgcolor);
for (int i = from; i <= to; i++) {
int xOffset = 0;
if (_textAlignment == kTextAlignRight)
xOffset = _textMaxWidth - getLineWidth(i);
else if (_textAlignment == kTextAlignCenter)
xOffset = (_textMaxWidth / 2) - (getLineWidth(i) / 2);
// TODO: _textMaxWidth, when -1, was not rendering ANY text.
for (uint j = 0; j < _textLines[i].chunks.size(); j++) {
if (_textLines[i].chunks[j].text.empty())
continue;
_textLines[i].chunks[j].getFont()->drawString(_surface, _textLines[i].chunks[j].text, xOffset, _textLines[i].y, _maxWidth, _fgcolor);
xOffset += _textLines[i].chunks[j].getFont()->getStringWidth(_textLines[i].chunks[j].text);
}
}
for (uint i = 0; i < _textLines.size(); i++) {
debugN(4, "%2d ", i);
for (uint j = 0; j < _textLines[i].chunks.size(); j++)
debugN(4, "[%d (%d)] \"%s\" ", _textLines[i].chunks[j].fontId, _textLines[i].chunks[j].textSlant, _textLines[i].chunks[j].text.c_str());
debug(4, "%s", "");
}
}
int MacText::getLineWidth(int line, bool enforce) {
if ((uint)line >= _textLines.size())
return 0;
if (_textLines[line].width != -1 && !enforce)
return _textLines[line].width;
int width = 0;
int height = 0;
for (uint i = 0; i < _textLines[line].chunks.size(); i++) {
if (enforce)
_textLines[line].chunks[i].font = nullptr;
if (!_textLines[line].chunks[i].text.empty())
width += _textLines[line].chunks[i].getFont()->getStringWidth(_textLines[line].chunks[i].text);
height = MAX(height, _textLines[line].chunks[i].getFont()->getFontHeight());
}
_textLines[line].width = width;
_textLines[line].height = height;
return width;
}
int MacText::getLineHeight(int line) {
if ((uint)line >= _textLines.size())
return 0;
getLineWidth(line); // This calculates height also
return _textLines[line].height;
}
void MacText::setInterLinear(int interLinear) {
_interLinear = interLinear;
recalcDims();
}
void MacText::recalcDims() {
int y = 0;
_textMaxWidth = 0;
for (uint i = 0; i < _textLines.size(); i++) {
_textLines[i].y = y;
y += getLineHeight(i) + _interLinear;
_textMaxWidth = MAX(_textMaxWidth, getLineWidth(i, true));
}
_textMaxHeight = y - _interLinear;
}
void MacText::draw(ManagedSurface *g, int x, int y, int w, int h, int xoff, int yoff) {
if (_textLines.empty()) return;
render();
if (x + w < _surface->w || y + h < _surface->h) {
g->fillRect(Common::Rect(x, y, x + w, y + w), _bgcolor);
}
g->blitFrom(*_surface, Common::Rect(MIN<int>(_surface->w, x), MIN<int>(_surface->h, y),
MIN<int>(_surface->w, x + w), MIN<int>(_surface->h, y + w)),
Common::Point(xoff, yoff));
}
// Count newline characters in String
uint getNewlinesInString(const Common::String &str) {
Common::String::const_iterator p = str.begin();
uint newLines = 0;
while (*p) {
if (*p == '\n')
newLines++;
p++;
}
return newLines;
}
// Appends numNewLines new lines in _textLines, formatted with the MacFontRun specified
void MacText::resizeAndFormatLines(uint numNewLines, MacFontRun *fontRun) {
uint oldLen = _textLines.size();
// Resize _textLines appropriately
for (uint curLine = 0; curLine < numNewLines; ++curLine) {
_textLines.resize(oldLen + numNewLines);
_textLines[oldLen + curLine].chunks.push_back(*fontRun);
}
}
void MacText::appendText(Common::String str, int fontId = kMacFontChicago, int fontSize = 12, int fontSlant = kMacFontRegular) {
uint oldLen = _textLines.size();
uint newLines = 1 + getNewlinesInString(str);
MacFontRun fontRun = MacFontRun(_wm, fontId, fontSlant, 0, fontSize, 0, 0, 0);
resizeAndFormatLines(newLines, &fontRun);
splitString(str);
recalcDims();
render(oldLen, _textLines.size());
}
void MacText::appendTextDefault(Common::String str) {
uint oldLen = _textLines.size();
uint newLines = 1 + getNewlinesInString(str);
resizeAndFormatLines(newLines, &_defaultFormatting);
splitString(str);
recalcDims();
render(oldLen, _textLines.size());
}
void MacText::clearText() {
_textLines.clear();
_str.clear();
recalcDims();
}
void MacText::replaceLastLine(Common::String str) {
int oldLen = MAX<int>(0, _textLines.size() - 1);
// TODO: Recalc length, adapt to _textLines
if (_textLines.size())
_textLines.pop_back();
splitString(str);
recalcDims();
render(oldLen, _textLines.size());
}
void MacText::removeLastLine() {
if (!_textLines.size())
return;
int h = getLineHeight(_textLines.size() - 1) + _interLinear;
_textLines.pop_back();
_textMaxHeight -= h;
}
} // End of namespace Graphics
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