mirror of
https://github.com/libretro/scummvm.git
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594 lines
12 KiB
C++
594 lines
12 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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* 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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* 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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* $URL$
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* $Id$
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*
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*/
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#include "common/stdafx.h"
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#include "common/endian.h"
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#include "common/stream.h"
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#include "parallaction/parallaction.h"
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namespace Parallaction {
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extern byte _amigaTopazFont[];
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class BraFont : public Font {
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byte *_cp;
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uint _bufPitch;
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uint32 _height;
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byte _numGlyphs;
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byte *_widths;
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uint *_offsets;
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byte *_data;
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static byte _charMap[];
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byte mapChar(byte c) {
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return _charMap[c];
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}
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public:
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BraFont(Common::ReadStream &stream) {
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_numGlyphs = stream.readByte();
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_height = stream.readUint32BE();
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_widths = (byte*)malloc(_numGlyphs);
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stream.read(_widths, _numGlyphs);
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_offsets = (uint*)malloc(_numGlyphs * sizeof(uint));
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_offsets[0] = 0;
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for (uint i = 1; i < _numGlyphs; i++)
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_offsets[i] = _offsets[i-1] + _widths[i-1] * _height;
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uint size = _offsets[_numGlyphs-1] + _widths[_numGlyphs-1] * _height;
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_data = (byte*)malloc(size);
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stream.read(_data, size);
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}
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~BraFont() {
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free(_widths);
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free(_offsets);
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free(_data);
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}
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uint32 getStringWidth(const char *s) {
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uint32 len = 0;
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while (*s) {
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byte c = mapChar(*s);
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len += (_widths[c] + 2);
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s++;
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}
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return len;
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}
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uint16 height() {
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return (uint16)_height;
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}
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uint16 drawChar(char c) {
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assert(c < _numGlyphs);
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byte *src = _data + _offsets[c];
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byte *dst = _cp;
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uint16 w = _widths[c];
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for (uint16 j = 0; j < height(); j++) {
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for (uint16 k = 0; k < w; k++) {
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if (*src) {
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*dst = (_color) ? _color : *src;
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}
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dst++;
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src++;
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}
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dst += (_bufPitch - w);
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}
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return w + 2;
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}
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void drawString(byte* buffer, uint32 pitch, const char *s) {
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if (s == NULL)
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return;
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_bufPitch = pitch;
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_cp = buffer;
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while (*s) {
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byte c = mapChar(*s);
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_cp += drawChar(c);
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s++;
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}
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}
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};
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byte BraFont::_charMap[] = {
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// 0
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0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34,
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// 1
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0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34,
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// 2
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0x34, 0x49, 0x48, 0x34, 0x34, 0x34, 0x34, 0x47, 0x34, 0x34, 0x34, 0x34, 0x40, 0x34, 0x3F, 0x34,
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// 3
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0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x46, 0x45, 0x34, 0x34, 0x34, 0x42,
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// 4
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0x34, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
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// 5
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0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x34, 0x34, 0x34, 0x34, 0x34,
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// 6
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0x34, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
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// 7
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0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x34, 0x34, 0x34, 0x34,
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// 8
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0x5E, 0x5D, 0x4E, 0x4B, 0x4D, 0x4C, 0x34, 0x5E, 0x4F, 0x51, 0x50, 0x34, 0x34, 0x34, 0x34, 0x34,
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// 9
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0x34, 0x34, 0x34, 0x57, 0x59, 0x58, 0x5B, 0x5C, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34,
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// A
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0x4A, 0x52, 0x34, 0x5A, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34,
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// B
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0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34,
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// C
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0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34,
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// D
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0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34,
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// E
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0x34, 0x5F, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34,
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// F
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0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34
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};
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class DosFont : public Font {
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protected:
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// drawing properties
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byte *_cp;
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Cnv *_data;
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byte _pitch;
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uint32 _bufPitch;
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protected:
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virtual uint16 drawChar(char c) = 0;
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virtual uint16 width(byte c) = 0;
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virtual uint16 height() = 0;
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byte mapChar(byte c) {
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if (c == 0xA5) return 0x5F;
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if (c == 0xDF) return 0x60;
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if (c > 0x7F) return c - 0x7F;
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return c - 0x20;
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}
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public:
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DosFont(Cnv *cnv) : _data(cnv), _pitch(cnv->_width) {
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}
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~DosFont() {
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if (_data)
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delete _data;
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}
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void setData() {
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}
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uint32 getStringWidth(const char *s) {
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uint32 len = 0;
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while (*s) {
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byte c = mapChar(*s);
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len += width(c);
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s++;
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}
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return len;
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}
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void drawString(byte* buffer, uint32 pitch, const char *s) {
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if (s == NULL)
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return;
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_bufPitch = pitch;
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_cp = buffer;
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while (*s) {
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byte c = mapChar(*s);
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_cp += drawChar(c);
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s++;
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}
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}
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};
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class DosDialogueFont : public DosFont {
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private:
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static const byte _glyphWidths[126];
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protected:
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uint16 width(byte c) {
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return _glyphWidths[c];
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}
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uint16 height() {
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return _data->_height;
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}
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public:
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DosDialogueFont(Cnv *cnv) : DosFont(cnv) {
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}
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protected:
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uint16 drawChar(char c) {
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byte *src = _data->getFramePtr(c);
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byte *dst = _cp;
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uint16 w = width(c);
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for (uint16 j = 0; j < height(); j++) {
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for (uint16 k = 0; k < w; k++) {
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if (!*src)
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*dst = _color;
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dst++;
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src++;
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}
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src += (_pitch - w);
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dst += (_bufPitch - w);
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}
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return w;
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}
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};
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const byte DosDialogueFont::_glyphWidths[126] = {
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0x04, 0x03, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x04, 0x04, 0x06, 0x06, 0x03, 0x05, 0x03, 0x05,
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0x06, 0x06, 0x06, 0x06, 0x07, 0x06, 0x06, 0x06, 0x06, 0x06, 0x03, 0x03, 0x05, 0x04, 0x05, 0x05,
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0x03, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x03, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
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0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x08, 0x07, 0x07, 0x07, 0x05, 0x06, 0x05, 0x08, 0x07,
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0x04, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x03, 0x04, 0x05, 0x05, 0x06, 0x06, 0x05,
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0x05, 0x06, 0x05, 0x05, 0x05, 0x05, 0x06, 0x07, 0x05, 0x05, 0x05, 0x05, 0x02, 0x05, 0x05, 0x07,
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0x08, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x04, 0x04, 0x04,
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0x05, 0x06, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x04, 0x06, 0x05, 0x05, 0x05, 0x05
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};
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class DosMonospacedFont : public DosFont {
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protected:
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uint16 _width;
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protected:
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uint16 width(byte c) {
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return _width;
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}
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uint16 height() {
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return _data->_height;
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}
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public:
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DosMonospacedFont(Cnv *cnv) : DosFont(cnv) {
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_width = 8;
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}
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};
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class DosMenuFont : public DosMonospacedFont {
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public:
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DosMenuFont(Cnv *cnv) : DosMonospacedFont(cnv) {
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}
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protected:
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uint16 drawChar(char c) {
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byte *src = _data->getFramePtr(c);
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byte *dst = _cp;
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for (uint16 i = 0; i < height(); i++) {
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for (uint16 j = 0; j < _width; j++) {
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if (*src)
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*dst = *src;
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src++;
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dst++;
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}
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dst += (_bufPitch - _width);
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src += (_pitch - _width);
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}
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return _width;
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}
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};
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class DosLabelFont : public DosMonospacedFont {
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public:
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DosLabelFont(Cnv *cnv) : DosMonospacedFont(cnv) {
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}
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protected:
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uint16 drawChar(char c) {
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byte *src = _data->getFramePtr(c);
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byte *dst = _cp;
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for (uint16 i = 0; i < height(); i++) {
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memcpy(dst, src, _width);
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dst += _bufPitch;
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src += _pitch;
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}
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return _width;
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}
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};
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class AmigaFont : public Font {
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#include "common/pack-start.h"
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struct CharLoc {
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uint16 _offset;
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uint16 _length;
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};
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struct AmigaDiskFont {
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uint16 _ySize;
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byte _style;
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byte _flags;
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uint16 _xSize;
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uint16 _baseline;
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uint16 _boldSmear;
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uint16 _accessors; // unused
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byte _loChar;
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byte _hiChar;
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uint32 _charData;
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uint16 _modulo;
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uint32 _charLoc;
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uint32 _charSpace;
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uint32 _charKern;
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};
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#include "common/pack-end.h"
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AmigaDiskFont *_font;
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uint32 _dataSize;
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byte *_data;
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byte *_charData;
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CharLoc *_charLoc;
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uint16 *_charSpace;
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uint16 *_charKern;
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byte *_cp;
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uint32 _pitch;
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protected:
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uint16 getSpacing(byte c);
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void blitData(byte c);
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uint16 getKerning(byte c);
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uint16 getPixels(byte c);
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uint16 getOffset(byte c);
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uint16 width(byte c);
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uint16 height();
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byte mapChar(byte c);
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public:
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AmigaFont(Common::SeekableReadStream &stream);
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~AmigaFont();
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uint32 getStringWidth(const char *s);
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void drawString(byte *buf, uint32 pitch, const char *s);
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};
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AmigaFont::AmigaFont(Common::SeekableReadStream &stream) {
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stream.seek(32); // skips dummy header
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_dataSize = stream.size() - stream.pos();
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_data = (byte*)malloc(_dataSize);
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stream.read(_data, _dataSize);
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_font = (AmigaDiskFont*)(_data + 78);
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_font->_ySize = FROM_BE_16(_font->_ySize);
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_font->_xSize = FROM_BE_16(_font->_xSize);
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_font->_baseline = FROM_BE_16(_font->_baseline);
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_font->_modulo = FROM_BE_16(_font->_modulo);
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_charLoc = (CharLoc*)(_data + FROM_BE_32(_font->_charLoc));
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_charData = _data + FROM_BE_32(_font->_charData);
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_charSpace = 0;
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_charKern = 0;
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if (_font->_charSpace != 0)
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_charSpace = (uint16*)(_data + FROM_BE_32(_font->_charSpace));
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if (_font->_charKern != 0)
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_charKern = (uint16*)(_data + FROM_BE_32(_font->_charKern));
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}
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AmigaFont::~AmigaFont() {
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if (_data)
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free(_data);
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}
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uint16 AmigaFont::getSpacing(byte c) {
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return (_charSpace == 0) ? _font->_xSize : FROM_BE_16(_charSpace[c]);
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}
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uint16 AmigaFont::getKerning(byte c) {
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return (_charKern == 0) ? 0 : FROM_BE_16(_charKern[c]);
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}
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uint16 AmigaFont::getPixels(byte c) {
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return FROM_BE_16(_charLoc[c]._length);
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}
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uint16 AmigaFont::getOffset(byte c) {
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return FROM_BE_16(_charLoc[c]._offset);
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}
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void AmigaFont::blitData(byte c) {
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int num = getPixels(c);
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int bitOffset = getOffset(c);
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byte *d = _cp;
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byte *s = _charData;
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for (int i = 0; i < _font->_ySize; i++) {
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for (int j = bitOffset; j < bitOffset + num; j++) {
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byte *b = s + (j >> 3);
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byte bit = *b & (0x80 >> (j & 7));
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if (bit)
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*d = _color;
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d++;
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}
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s += _font->_modulo;
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d += _pitch - num;
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}
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}
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uint16 AmigaFont::width(byte c) {
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// printf("kern(%i) = %i, space(%i) = %i\t", c, getKerning(c), c, getSpacing(c));
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return getKerning(c) + getSpacing(c);
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}
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uint16 AmigaFont::height() {
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return _font->_ySize;
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}
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byte AmigaFont::mapChar(byte c) {
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if (c < _font->_loChar || c > _font->_hiChar)
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error("character '%c (%x)' not supported by font", c, c);
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return c - _font->_loChar;
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}
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uint32 AmigaFont::getStringWidth(const char *s) {
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uint32 len = 0;
|
|
|
|
while (*s) {
|
|
byte c = mapChar(*s);
|
|
len += width(c);
|
|
s++;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
void AmigaFont::drawString(byte *buffer, uint32 pitch, const char *s) {
|
|
|
|
_cp = buffer;
|
|
_pitch = pitch;
|
|
|
|
byte c;
|
|
|
|
while (*s) {
|
|
c = mapChar(*s);
|
|
_cp += getKerning(c);
|
|
blitData(c);
|
|
_cp += getSpacing(c);
|
|
s++;
|
|
}
|
|
|
|
}
|
|
|
|
Font *DosDisk_ns::createFont(const char *name, Cnv* cnv) {
|
|
Font *f = 0;
|
|
|
|
if (!scumm_stricmp(name, "comic"))
|
|
f = new DosDialogueFont(cnv);
|
|
else
|
|
if (!scumm_stricmp(name, "topaz"))
|
|
f = new DosLabelFont(cnv);
|
|
else
|
|
if (!scumm_stricmp(name, "slide"))
|
|
f = new DosMenuFont(cnv);
|
|
else
|
|
error("unknown dos font '%s'", name);
|
|
|
|
return f;
|
|
}
|
|
|
|
Font *AmigaDisk_ns::createFont(const char *name, Common::SeekableReadStream &stream) {
|
|
// TODO: implement AmigaLabelFont for labels
|
|
return new AmigaFont(stream);
|
|
}
|
|
|
|
Font *DosDisk_br::createFont(const char *name, Common::ReadStream &stream) {
|
|
printf("DosDisk_br::createFont(%s)\n", name);
|
|
return new BraFont(stream);
|
|
}
|
|
|
|
void Parallaction_ns::initFonts() {
|
|
|
|
if (getPlatform() == Common::kPlatformPC) {
|
|
_dialogueFont = _disk->loadFont("comic");
|
|
_labelFont = _disk->loadFont("topaz");
|
|
_menuFont = _disk->loadFont("slide");
|
|
} else {
|
|
_dialogueFont = _disk->loadFont("comic");
|
|
Common::MemoryReadStream stream(_amigaTopazFont, 2600, false);
|
|
_labelFont = new AmigaFont(stream);
|
|
_menuFont = _disk->loadFont("slide");
|
|
}
|
|
|
|
}
|
|
|
|
}
|