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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/scummsys.h"
#include "common/config-manager.h"
#include "common/debug.h"
#include "common/file.h"
#include "common/system.h"
#include "common/unzip.h"
#include "common/ustr.h"
#include "graphics/font.h"
#include "graphics/fonts/ttf.h"
#include "graphics/surface.h"
#include "zvision/zvision.h"
#include "zvision/graphics/render_manager.h"
#include "zvision/text/truetype_font.h"
namespace ZVision {
const FontStyle systemFonts[] = {
{ "*times new roman*", "times", "FreeSerif", "Italic", "LiberationSerif" },
{ "*times*", "times", "FreeSerif", "Italic", "LiberationSerif" },
{ "*century schoolbook*", "censcbk", "FreeSerif", "Italic", "LiberationSerif" },
{ "*garamond*", "gara", "FreeSerif", "Italic", "LiberationSerif" },
{ "*courier new*", "cour", "FreeMono", "Oblique", "LiberationMono" },
{ "*courier*", "cour", "FreeMono", "Oblique", "LiberationMono" },
{ "*ZorkDeath*", "cour", "FreeMono", "Oblique", "LiberationMono" },
{ "*arial*", "arial", "FreeSans", "Oblique", "LiberationSans" },
{ "*ZorkNormal*", "arial", "FreeSans", "Oblique", "LiberationSans" }
};
const FontStyle getSystemFont(int fontIndex) {
return systemFonts[fontIndex];
}
StyledTTFont::StyledTTFont(ZVision *engine) {
_engine = engine;
_style = 0;
_font = nullptr;
_lineHeight = 0;
}
StyledTTFont::~StyledTTFont() {
delete _font;
}
bool StyledTTFont::loadFont(const Common::String &fontName, int32 point, uint style) {
// Don't re-load the font if we've already loaded it
// We have to check for empty so we can default to Arial
if (!fontName.empty() && _fontName.equalsIgnoreCase(fontName) && _lineHeight == point && _style == style) {
return true;
}
_style = style;
Common::String newFontName;
Common::String freeFontName;
Common::String liberationFontName;
for (int i = 0; i < FONT_COUNT; i++) {
FontStyle curFont = getSystemFont(i);
if (fontName.matchString(curFont.zorkFont, true)) {
newFontName = curFont.fontBase;
freeFontName = curFont.freeFontBase;
liberationFontName = curFont.liberationFontBase;
if ((_style & TTF_STYLE_BOLD) && (_style & TTF_STYLE_ITALIC)) {
newFontName += "bi";
freeFontName += "Bold";
freeFontName += curFont.freeFontItalicName;
liberationFontName += "-BoldItalic";
} else if (_style & TTF_STYLE_BOLD) {
newFontName += "bd";
freeFontName += "Bold";
liberationFontName += "-Bold";
} else if (_style & TTF_STYLE_ITALIC) {
newFontName += "i";
freeFontName += curFont.freeFontItalicName;
liberationFontName += "-Italic";
} else {
liberationFontName += "-Regular";
}
newFontName += ".ttf";
freeFontName += ".ttf";
liberationFontName += ".ttf";
break;
}
}
if (newFontName.empty()) {
debug("Could not identify font: %s. Reverting to Arial", fontName.c_str());
newFontName = "arial.ttf";
freeFontName = "FreeSans.ttf";
liberationFontName = "LiberationSans-Regular.ttf";
}
bool sharp = (_style & TTF_STYLE_SHARP) == TTF_STYLE_SHARP;
Common::File file;
if (!file.open(newFontName) && !_engine->getSearchManager()->openFile(file, newFontName) &&
!file.open(liberationFontName) && !_engine->getSearchManager()->openFile(file, liberationFontName) &&
!file.open(freeFontName) && !_engine->getSearchManager()->openFile(file, freeFontName))
error("Unable to open font file %s (Liberation Font alternative: %s, FreeFont alternative: %s)", newFontName.c_str(), liberationFontName.c_str(), freeFontName.c_str());
Graphics::Font *newFont = Graphics::loadTTFFont(file, point, Graphics::kTTFSizeModeCharacter, 60, (sharp ? Graphics::kTTFRenderModeMonochrome : Graphics::kTTFRenderModeNormal)); // 66 dpi for 640 x 480 on 14" display
if (newFont == nullptr) {
return false;
}
delete _font;
_font = newFont;
_fontName = fontName;
_lineHeight = point;
return true;
}
int StyledTTFont::getFontHeight() {
if (_font)
return _font->getFontHeight();
return 0;
}
int StyledTTFont::getMaxCharWidth() {
if (_font)
return _font->getMaxCharWidth();
return 0;
}
int StyledTTFont::getCharWidth(byte chr) {
if (_font)
return _font->getCharWidth(chr);
return 0;
}
int StyledTTFont::getKerningOffset(byte left, byte right) {
if (_font)
return _font->getKerningOffset(left, right);
return 0;
}
Common::U32String StyledTTFont::convertUtf8ToUtf32(const Common::String &str) {
// The String class, and therefore the Font class as well, assume one
// character is one byte, but in this case it's actually an UTF-8
// string with up to 4 bytes per character. To work around this,
// convert it to an U32String before drawing it, because our Font class
// can handle that.
Common::U32String u32str;
uint i = 0;
while (i < str.size()) {
uint32 chr = 0;
if ((str[i] & 0xF8) == 0xF0) {
chr |= (str[i++] & 0x07) << 18;
chr |= (str[i++] & 0x3F) << 12;
chr |= (str[i++] & 0x3F) << 6;
chr |= (str[i++] & 0x3F);
} else if ((str[i] & 0xF0) == 0xE0) {
chr |= (str[i++] & 0x0F) << 12;
chr |= (str[i++] & 0x3F) << 6;
chr |= (str[i++] & 0x3F);
} else if ((str[i] & 0xE0) == 0xC0) {
chr |= (str[i++] & 0x1F) << 6;
chr |= (str[i++] & 0x3F);
} else {
chr = (str[i++] & 0x7F);
}
u32str += chr;
}
return u32str;
}
void StyledTTFont::drawChar(Graphics::Surface *dst, byte chr, int x, int y, uint32 color) {
if (_font) {
_font->drawChar(dst, chr, x, y, color);
if (_style & TTF_STYLE_UNDERLINE) {
int16 pos = (int16)floor(_font->getFontHeight() * 0.87);
int thk = MAX((int)(_font->getFontHeight() * 0.05), 1);
dst->fillRect(Common::Rect(x, y + pos, x + _font->getCharWidth(chr), y + pos + thk), color);
}
if (_style & TTF_STYLE_STRIKETHROUGH) {
int16 pos = (int16)floor(_font->getFontHeight() * 0.60);
int thk = MAX((int)(_font->getFontHeight() * 0.05), 1);
dst->fillRect(Common::Rect(x, y + pos, x + _font->getCharWidth(chr), y + pos + thk), color);
}
}
}
void StyledTTFont::drawString(Graphics::Surface *dst, const Common::String &str, int x, int y, int w, uint32 color, Graphics::TextAlign align) {
if (_font) {
Common::U32String u32str = convertUtf8ToUtf32(str);
_font->drawString(dst, u32str, x, y, w, color, align);
if (_style & TTF_STYLE_UNDERLINE) {
int16 pos = (int16)floor(_font->getFontHeight() * 0.87);
int16 wd = MIN(_font->getStringWidth(u32str), w);
int16 stX = x;
if (align == Graphics::kTextAlignCenter)
stX += (w - wd) / 2;
else if (align == Graphics::kTextAlignRight)
stX += (w - wd);
int thk = MAX((int)(_font->getFontHeight() * 0.05), 1);
dst->fillRect(Common::Rect(stX, y + pos, stX + wd, y + pos + thk), color);
}
if (_style & TTF_STYLE_STRIKETHROUGH) {
int16 pos = (int16)floor(_font->getFontHeight() * 0.60);
int16 wd = MIN(_font->getStringWidth(u32str), w);
int16 stX = x;
if (align == Graphics::kTextAlignCenter)
stX += (w - wd) / 2;
else if (align == Graphics::kTextAlignRight)
stX += (w - wd);
int thk = MAX((int)(_font->getFontHeight() * 0.05), 1);
dst->fillRect(Common::Rect(stX, y + pos, stX + wd, y + pos + thk), color);
}
}
}
int StyledTTFont::getStringWidth(const Common::String &str) {
if (_font)
return _font->getStringWidth(str);
return 0;
}
Graphics::Surface *StyledTTFont::renderSolidText(const Common::String &str, uint32 color) {
Graphics::Surface *tmp = new Graphics::Surface;
if (_font) {
int16 w = _font->getStringWidth(str);
if (w && w < 1024) {
tmp->create(w, _font->getFontHeight(), _engine->_resourcePixelFormat);
drawString(tmp, str, 0, 0, w, color);
}
}
return tmp;
}
} // End of namespace ZVision
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