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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/system.h"
#include "common/platform.h"
#include "sherlock/fonts.h"
#include "sherlock/image_file.h"
#include "sherlock/surface.h"
namespace Sherlock {
Common::Platform Fonts::_platform;
ImageFile *Fonts::_font;
int Fonts::_fontNumber;
int Fonts::_fontHeight;
uint16 Fonts::_charCount;
void Fonts::init(Common::Platform platform) {
_font = nullptr;
_platform = platform;
_charCount = 0;
}
void Fonts::free() {
delete _font;
}
void Fonts::setFont(int fontNum) {
_fontNumber = fontNum;
// Discard previous font
delete _font;
Common::String fontFilename;
if (_platform != Common::kPlatform3DO) {
// PC
// use FONT[number].VGS, which is a regular sherlock graphic file
fontFilename = Common::String::format("FONT%d.VGS", fontNum + 1);
// load font data
_font = new ImageFile(fontFilename);
} else {
// 3DO
switch (fontNum) {
case 0:
case 1:
fontFilename = "helvetica14.font";
break;
case 2:
fontFilename = "darts.font";
break;
default:
error("setFont(): unsupported 3DO font number");
}
// load font data
_font = new ImageFile3DO(fontFilename, kImageFile3DOType_Font);
}
_charCount = _font->size();
// Iterate through the frames to find the tallest font character
_fontHeight = 0;
for (uint idx = 0; idx < _charCount; ++idx)
_fontHeight = MAX((uint16)_fontHeight, (*_font)[idx]._frame.h);
}
inline byte Fonts::translateChar(byte c) {
switch (c) {
case ' ':
return 0; // translate to first actual character
case 225:
// This was done in the German interpreter
// happens when talking to the kid in the 2nd room
return 135; // special handling for 0xE1
default:
if (c >= 0x80) { // German SH1 version did this
c--;
}
// Spanish SH1 did this (reverse engineered code)
//if ((c >= 0xA0) && (c <= 0xAD) || (c == 0x82)) {
// c--;
//}
assert(c > 32); // anything above space is allowed
return c - 33;
}
}
void Fonts::writeString(Surface *surface, const Common::String &str,
const Common::Point &pt, int overrideColor) {
Common::Point charPos = pt;
if (!_font)
return;
for (const char *curCharPtr = str.c_str(); *curCharPtr; ++curCharPtr) {
byte curChar = *curCharPtr;
if (curChar == ' ') {
charPos.x += 5; // hardcoded space
continue;
}
curChar = translateChar(curChar);
assert(curChar < _charCount);
ImageFrame &frame = (*_font)[curChar];
surface->transBlitFrom(frame, charPos, false, overrideColor);
charPos.x += frame._frame.w + 1;
}
}
int Fonts::stringWidth(const Common::String &str) {
int width = 0;
if (!_font)
return 0;
for (const char *c = str.c_str(); *c; ++c)
width += charWidth(*c);
return width;
}
int Fonts::stringHeight(const Common::String &str) {
int height = 0;
if (!_font)
return 0;
for (const char *c = str.c_str(); *c; ++c)
height = MAX(height, charHeight(*c));
return height;
}
int Fonts::charWidth(unsigned char c) {
byte curChar;
if (!_font)
return 0;
if (c == ' ') {
return 5; // hardcoded space
}
curChar = translateChar(c);
if (curChar < _charCount)
return (*_font)[curChar]._frame.w + 1;
return 0;
}
int Fonts::charHeight(unsigned char c) {
byte curChar;
if (!_font)
return 0;
// Space is supposed to be handled like the first actual character (which is decimal 33)
curChar = translateChar(c);
assert(curChar < _charCount);
const ImageFrame &img = (*_font)[curChar];
return img._height + img._offset.y + 1;
}
} // End of namespace Sherlock
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